/* roulang page: index */
:root {
            --color-bg: #0D0B09;
            --color-bg-secondary: #1A1512;
            --color-bg-card: #1E1815;
            --color-bg-elevated: #242019;
            --color-gold: #C6A15B;
            --color-gold-light: #D4B87A;
            --color-gold-dark: #A8863F;
            --color-purple: #2B1D3A;
            --color-purple-light: #3A2A4D;
            --color-purple-deep: #1F1429;
            --color-text: #F5EFE6;
            --color-text-muted: #A99E8F;
            --color-text-dim: #7A7063;
            --color-border: rgba(198, 161, 91, 0.35);
            --color-border-strong: rgba(198, 161, 91, 0.65);
            --color-border-light: rgba(198, 161, 91, 0.15);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
            --shadow-gold: 0 8px 20px rgba(198, 161, 91, 0.12);
            --shadow-gold-hover: 0 12px 32px rgba(198, 161, 91, 0.2);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --container-max: 1200px;
            --section-spacing: 80px;
            --section-spacing-mobile: 48px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image:
                linear-gradient(rgba(198, 161, 91, 0.015) 1px, transparent 1px),
                linear-gradient(90deg, rgba(198, 161, 91, 0.015) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
            z-index: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--color-gold);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-gold-light);
        }

        a:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 3px;
            border-radius: 2px;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 15px;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }

        ::selection {
            background: rgba(198, 161, 91, 0.35);
            color: var(--color-text);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            position: relative;
            z-index: 1;
        }

        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ============ 导航 ============ */
        .site-header {
            background: var(--color-bg);
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 0;
            min-height: 72px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            flex-wrap: nowrap;
        }

        .nav-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: 1px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--color-gold-light);
        }

        .nav-logo .logo-icon {
            font-size: 24px;
            color: var(--color-gold);
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 0;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links-desktop li {
            display: flex;
            align-items: center;
            position: relative;
        }

        .nav-links-desktop li+li::before {
            content: '';
            width: 1px;
            height: 16px;
            background: var(--color-border-light);
            margin: 0 14px;
            flex-shrink: 0;
        }

        .nav-links-desktop a {
            color: var(--color-text-muted);
            font-size: 14px;
            letter-spacing: 1px;
            padding: 26px 0;
            display: inline-block;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links-desktop a:hover {
            color: var(--color-text);
        }

        .nav-links-desktop a.active {
            color: var(--color-gold);
        }

        .nav-links-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--color-gold);
            border-radius: 1px;
            transition: all var(--transition-fast);
        }

        .nav-links-desktop a:not(.active)::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            right: 50%;
            height: 2px;
            background: var(--color-gold);
            border-radius: 1px;
            transition: all var(--transition-base);
        }

        .nav-links-desktop a:not(.active):hover::after {
            left: 0;
            right: 0;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-direction: column;
            gap: 6px;
            z-index: 101;
        }

        .nav-toggle span {
            display: block;
            width: 28px;
            height: 2px;
            background: var(--color-gold);
            transition: all var(--transition-base);
            border-radius: 1px;
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--color-bg);
            z-index: 99;
            padding: 32px 24px;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-nav-overlay.open {
            display: flex;
        }

        .mobile-nav-overlay a {
            color: var(--color-text);
            font-size: 22px;
            padding: 16px 8px;
            border-bottom: 1px solid var(--color-border-light);
            display: block;
            transition: all var(--transition-fast);
            letter-spacing: 1px;
        }

        .mobile-nav-overlay a:hover,
        .mobile-nav-overlay a.active {
            color: var(--color-gold);
            border-bottom-color: var(--color-gold);
            padding-left: 16px;
        }

        @media (max-width: 1023px) {
            .nav-links-desktop {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }
        }

        /* ============ Hero ============ */
        .hero-section {
            padding: 64px 0 72px;
            background:
                radial-gradient(ellipse at 78% 20%, rgba(198, 161, 91, 0.06) 0%, transparent 55%),
                radial-gradient(ellipse at 20% 70%, rgba(43, 29, 58, 0.5) 0%, transparent 50%),
                var(--color-bg);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 1px;
            background: linear-gradient(180deg, transparent, rgba(198, 161, 91, 0.2), transparent);
            transform: translateX(-50%) rotate(8deg);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .hero-left {
            position: relative;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(198, 161, 91, 0.1);
            border: 1px solid var(--color-border);
            border-radius: 50px;
            padding: 6px 16px;
            font-size: 13px;
            color: var(--color-gold);
            letter-spacing: 2px;
            margin-bottom: 20px;
            font-weight: 500;
        }

        .hero-tag .dot {
            width: 6px;
            height: 6px;
            background: var(--color-gold);
            border-radius: 50%;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.4);
            }
        }

        .hero-title {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--color-text);
            letter-spacing: -0.5px;
            margin-bottom: 20px;
        }

        .hero-title .highlight {
            color: var(--color-gold);
            position: relative;
        }

        .hero-desc {
            font-size: 16px;
            line-height: 1.9;
            color: var(--color-text-muted);
            max-width: 520px;
            margin-bottom: 28px;
        }

        .hero-ctas {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--color-gold);
            color: var(--color-bg);
            font-weight: 600;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: var(--radius-xs);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 1px;
            min-height: 48px;
            text-decoration: none;
        }

        .btn-primary:hover {
            background: var(--color-gold-light);
            color: var(--color-bg);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold-hover);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--color-gold);
            font-weight: 500;
            font-size: 15px;
            padding: 13px 26px;
            border-radius: var(--radius-xs);
            border: 1px solid var(--color-gold);
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 1px;
            min-height: 48px;
            text-decoration: none;
        }

        .btn-secondary:hover {
            background: rgba(198, 161, 91, 0.1);
            color: var(--color-gold-light);
            border-color: var(--color-gold-light);
            transform: translateY(-2px);
        }

        .hero-points {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .hero-point {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            letter-spacing: 0.5px;
        }

        .hero-point i {
            color: var(--color-gold);
            font-size: 14px;
        }

        .hero-right {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
            position: relative;
        }

        .countdown-ring-wrap {
            position: relative;
            width: 220px;
            height: 220px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .countdown-ring-wrap svg {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }

        .countdown-ring-wrap .ring-bg {
            fill: none;
            stroke: rgba(198, 161, 91, 0.15);
            stroke-width: 4;
        }

        .countdown-ring-wrap .ring-progress {
            fill: none;
            stroke: var(--color-gold);
            stroke-width: 4;
            stroke-linecap: round;
            transition: stroke-dashoffset 1s ease;
        }

        .countdown-center {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
        }

        .countdown-center .countdown-label {
            font-size: 12px;
            color: var(--color-text-muted);
            letter-spacing: 1px;
            margin-bottom: 4px;
            display: block;
        }

        .countdown-center .countdown-time {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: -0.5px;
            line-height: 1.2;
        }

        .countdown-center .countdown-unit {
            font-size: 12px;
            color: var(--color-text-muted);
            letter-spacing: 1px;
        }

        .hero-float-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            gap: 14px;
            width: 100%;
            max-width: 280px;
        }

        .hero-float-card .float-icon {
            width: 40px;
            height: 40px;
            background: rgba(198, 161, 91, 0.12);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-gold);
            font-size: 18px;
            flex-shrink: 0;
        }

        .hero-float-card .float-info {
            flex: 1;
        }

        .hero-float-card .float-label {
            font-size: 12px;
            color: var(--color-text-muted);
            letter-spacing: 0.5px;
            display: block;
            margin-bottom: 2px;
        }

        .hero-float-card .float-value {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: -0.3px;
        }

        @media (max-width: 1023px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
                text-align: center;
            }

            .hero-desc {
                margin-left: auto;
                margin-right: auto;
            }

            .hero-ctas {
                justify-content: center;
            }

            .hero-points {
                justify-content: center;
            }

            .hero-right {
                margin-top: 0;
            }
        }

        @media (max-width: 767px) {
            .hero-section {
                padding: 40px 0 52px;
            }

            .hero-title {
                font-size: 30px;
            }

            .hero-desc {
                font-size: 15px;
            }

            .countdown-ring-wrap {
                width: 180px;
                height: 180px;
            }

            .countdown-center .countdown-time {
                font-size: 28px;
            }

            .hero-ctas {
                flex-direction: column;
                align-items: center;
            }

            .btn-primary,
            .btn-secondary {
                width: 100%;
                max-width: 300px;
                justify-content: center;
            }
        }

        /* ============ 指标看板 ============ */
        .metrics-section {
            padding: 0 0 40px;
            position: relative;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            background: var(--color-bg-secondary);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .metric-item {
            padding: 28px 24px;
            text-align: center;
            position: relative;
            background: var(--color-bg-secondary);
            transition: background var(--transition-fast);
        }

        .metric-item:hover {
            background: var(--color-bg-elevated);
        }

        .metric-item+.metric-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 20%;
            bottom: 20%;
            width: 1px;
            background: var(--color-border-light);
        }

        .metric-label {
            font-size: 12px;
            color: var(--color-text-muted);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 10px;
            display: block;
            font-weight: 500;
        }

        .metric-value {
            font-size: 42px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: -1px;
            line-height: 1.15;
            text-shadow: 0 0 20px rgba(198, 161, 91, 0.3);
            display: block;
        }

        .metric-unit {
            font-size: 14px;
            color: var(--color-text-muted);
            letter-spacing: 0.5px;
            margin-top: 4px;
            display: inline-block;
        }

        @media (max-width: 1023px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .metric-item:nth-child(3)::before {
                display: none;
            }

            .metric-item+.metric-item::before {
                top: 10%;
                bottom: 10%;
            }

            .metric-item:nth-child(odd)::before {
                display: none;
            }
        }

        @media (max-width: 767px) {
            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 0;
            }

            .metric-item {
                padding: 20px 16px;
            }

            .metric-item+.metric-item::before {
                display: none;
            }

            .metric-item+.metric-item {
                border-top: 1px solid var(--color-border-light);
            }

            .metric-value {
                font-size: 34px;
            }
        }

        /* ============ 服务矩阵 ============ */
        .services-section {
            padding: var(--section-spacing) 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
            max-width: 720px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 13px;
            color: var(--color-gold);
            letter-spacing: 2px;
            margin-bottom: 12px;
            font-weight: 500;
            border: 1px solid var(--color-border);
            border-radius: 50px;
            padding: 4px 14px;
            background: rgba(198, 161, 91, 0.06);
        }

        .section-header h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.5px;
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .section-header p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.85;
        }

        .services-matrix {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr;
            grid-template-rows: auto auto;
            gap: 20px;
        }

        .service-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
            transition: all var(--transition-base);
            cursor: pointer;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            transform: translateY(-3px);
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-gold);
        }

        .service-card .service-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .service-card .service-content {
            padding: 24px 26px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card .service-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(13, 11, 9, 0.85);
            border: 1px solid var(--color-gold);
            color: var(--color-gold);
            font-size: 12px;
            letter-spacing: 1px;
            padding: 4px 12px;
            border-radius: 50px;
            font-weight: 500;
            z-index: 2;
        }

        .service-card h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .service-card .btn-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-gold);
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 1px;
            transition: all var(--transition-fast);
            text-decoration: none;
            align-self: flex-start;
        }

        .service-card .btn-link:hover {
            color: var(--color-gold-light);
            gap: 10px;
        }

        .service-card.wide {
            grid-row: span 2;
        }

        .service-card.wide .service-img {
            height: 260px;
        }

        .service-card.narrow .service-img {
            height: 120px;
        }

        @media (max-width: 1023px) {
            .services-matrix {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
            }

            .service-card.wide {
                grid-row: auto;
            }

            .service-card .service-img,
            .service-card.wide .service-img,
            .service-card.narrow .service-img {
                height: 200px;
            }
        }

        @media (max-width: 767px) {
            .section-header h2 {
                font-size: 24px;
            }

            .section-header {
                margin-bottom: 32px;
            }

            .service-card .service-img,
            .service-card.wide .service-img,
            .service-card.narrow .service-img {
                height: 160px;
            }

            .service-card .service-content {
                padding: 18px 20px 20px;
            }
        }

        /* ============ 结果对比 ============ */
        .comparison-section {
            padding: var(--section-spacing) 0;
            background: var(--color-bg-secondary);
            position: relative;
        }

        .comparison-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--color-border-light), transparent);
        }

        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            align-items: stretch;
        }

        .comparison-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: all var(--transition-base);
            position: relative;
        }

        .comparison-card.highlight {
            border-color: var(--color-gold);
            background: linear-gradient(135deg, rgba(198, 161, 91, 0.08) 0%, var(--color-bg-card) 60%);
            box-shadow: var(--shadow-gold);
        }

        .comparison-card .comparison-tag {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 2px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 50px;
            margin-bottom: 16px;
            background: rgba(198, 161, 91, 0.08);
            color: var(--color-text-muted);
            border: 1px solid var(--color-border-light);
        }

        .comparison-card.highlight .comparison-tag {
            background: var(--color-gold);
            color: var(--color-bg);
            border: none;
            font-weight: 600;
        }

        .comparison-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .comparison-card.highlight h3 {
            color: var(--color-gold);
        }

        .comparison-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .comparison-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        .comparison-list li:last-child {
            border-bottom: none;
        }

        .comparison-list li i {
            width: 20px;
            text-align: center;
            flex-shrink: 0;
            color: var(--color-text-dim);
            font-size: 14px;
        }

        .comparison-card.highlight .comparison-list li i {
            color: var(--color-gold);
        }

        .comparison-list li .list-label {
            font-weight: 500;
            color: var(--color-text);
            flex-shrink: 0;
            width: 80px;
        }

        @media (max-width: 767px) {
            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .comparison-card {
                padding: 24px 20px;
            }

            .comparison-list li .list-label {
                width: 64px;
                font-size: 13px;
            }

            .comparison-list li {
                font-size: 13px;
                gap: 8px;
            }
        }

        /* ============ 资讯区 ============ */
        .news-section {
            padding: var(--section-spacing) 0;
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1.3fr 0.7fr;
            gap: 32px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            text-decoration: none;
            color: var(--color-text);
        }

        .news-list-item:hover {
            padding-left: 8px;
            border-bottom-color: var(--color-gold);
        }

        .news-list-item .news-index {
            font-size: 13px;
            color: var(--color-text-dim);
            font-weight: 600;
            width: 32px;
            flex-shrink: 0;
            letter-spacing: 1px;
        }

        .news-list-item .news-title {
            font-size: 15px;
            color: var(--color-text);
            font-weight: 500;
            letter-spacing: 0.3px;
            flex: 1;
            line-height: 1.6;
        }

        .news-list-item .news-date {
            font-size: 12px;
            color: var(--color-text-dim);
            flex-shrink: 0;
            letter-spacing: 0.5px;
        }

        .news-list-item .news-arrow {
            color: var(--color-gold);
            font-size: 14px;
            flex-shrink: 0;
            transition: transform var(--transition-fast);
        }

        .news-list-item:hover .news-arrow {
            transform: translateX(4px);
        }

        .news-featured {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-featured-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            cursor: pointer;
            box-shadow: var(--shadow-sm);
            text-decoration: none;
            display: block;
        }

        .news-featured-card:hover {
            transform: translateY(-3px);
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-gold);
        }

        .news-featured-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        .news-featured-card .featured-body {
            padding: 16px 18px 18px;
        }

        .news-featured-card .featured-tag {
            font-size: 11px;
            color: var(--color-gold);
            letter-spacing: 1px;
            display: block;
            margin-bottom: 6px;
        }

        .news-featured-card h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 4px;
        }

        .news-featured-card p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        @media (max-width: 1023px) {
            .news-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ============ 会员权益 ============ */
        .membership-section {
            padding: var(--section-spacing) 0;
            background: var(--color-bg-secondary);
            position: relative;
        }

        .membership-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--color-border-light), transparent);
        }

        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-bottom: 28px;
        }

        .benefit-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-base);
            position: relative;
        }

        .benefit-card:hover {
            border-color: var(--color-border-strong);
            transform: translateY(-3px);
            box-shadow: var(--shadow-gold);
        }

        .benefit-card .benefit-icon {
            font-size: 28px;
            color: var(--color-gold);
            margin-bottom: 12px;
            display: block;
        }

        .benefit-card h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
            letter-spacing: 0.5px;
        }

        .benefit-card p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .membership-cta {
            text-align: center;
        }

        .membership-cta .btn-primary {
            padding: 14px 40px;
            font-size: 16px;
        }

        @media (max-width: 1023px) {
            .benefits-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
        }

        @media (max-width: 767px) {
            .benefits-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .benefit-card {
                padding: 18px 16px;
            }
        }

        /* ============ 评价墙 ============ */
        .reviews-section {
            padding: var(--section-spacing) 0;
        }

        .reviews-summary {
            display: flex;
            align-items: center;
            gap: 24px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .reviews-score {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .reviews-score .score-number {
            font-size: 48px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: -1px;
            line-height: 1;
        }

        .reviews-score .score-stars {
            display: flex;
            gap: 4px;
            color: var(--color-gold);
            font-size: 18px;
        }

        .reviews-score .score-label {
            font-size: 13px;
            color: var(--color-text-muted);
            letter-spacing: 0.5px;
            display: block;
            margin-top: 4px;
        }

        .reviews-count {
            font-size: 14px;
            color: var(--color-text-muted);
            letter-spacing: 0.5px;
        }

        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .review-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            padding: 20px;
            transition: all var(--transition-base);
            position: relative;
        }

        .review-card:hover {
            border-color: var(--color-border-strong);
            transform: translateY(-2px);
        }

        .review-card .review-stars {
            color: var(--color-gold);
            font-size: 13px;
            margin-bottom: 8px;
            display: block;
            letter-spacing: 2px;
        }

        .review-card .review-text {
            font-size: 14px;
            color: var(--color-text);
            line-height: 1.75;
            margin-bottom: 12px;
        }

        .review-card .review-author {
            font-size: 12px;
            color: var(--color-text-dim);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .review-card .review-author i {
            color: var(--color-gold);
            font-size: 12px;
        }

        @media (max-width: 1023px) {
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
        }

        @media (max-width: 767px) {
            .reviews-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .reviews-score .score-number {
                font-size: 36px;
            }
        }

        /* ============ 品牌介绍 ============ */
        .brand-section {
            padding: var(--section-spacing) 0;
            position: relative;
            background:
                radial-gradient(ellipse at center, rgba(43, 29, 58, 0.4) 0%, transparent 70%),
                var(--color-bg-secondary);
            overflow: hidden;
        }

        .brand-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--color-border-light), transparent);
        }

        .brand-content {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 48px;
            align-items: center;
        }

        .brand-image {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 4/3;
        }

        .brand-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .brand-image .brand-image-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(13, 11, 9, 0.2) 0%, rgba(13, 11, 9, 0.7) 100%);
            pointer-events: none;
        }

        .brand-text h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .brand-text .brand-paragraph {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.9;
            margin-bottom: 12px;
        }

        .brand-highlights {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 20px;
        }

        .brand-highlight {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text);
            font-weight: 500;
        }

        .brand-highlight i {
            color: var(--color-gold);
        }

        @media (max-width: 1023px) {
            .brand-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .brand-image {
                max-width: 480px;
                margin: 0 auto;
            }
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: var(--section-spacing) 0;
        }

        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-item.open {
            border-color: var(--color-border-strong);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            letter-spacing: 0.3px;
            transition: all var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-gold);
        }

        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-gold);
            font-size: 16px;
            transition: transform var(--transition-base);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding-bottom: 20px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.85;
            margin: 0;
            padding-top: 4px;
            border-top: 1px solid var(--color-border-light);
            padding-top: 14px;
        }

        @media (max-width: 767px) {
            .faq-question {
                font-size: 15px;
                padding: 16px 18px;
            }

            .faq-answer {
                padding: 0 18px;
            }

            .faq-item.open .faq-answer {
                padding-bottom: 16px;
            }
        }

        /* ============ 转化表单 ============ */
        .cta-form-section {
            padding: var(--section-spacing) 0;
            position: relative;
            background:
                linear-gradient(135deg, rgba(43, 29, 58, 0.7) 0%, rgba(13, 11, 9, 0.9) 50%, rgba(198, 161, 91, 0.05) 100%);
            overflow: hidden;
        }

        .cta-form-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background:
                linear-gradient(135deg, transparent 49.9%, rgba(198, 161, 91, 0.08) 50%, transparent 50.1%);
            pointer-events: none;
        }

        .cta-form-wrapper {
            max-width: 520px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .cta-form-wrapper .section-tag {
            display: inline-block;
            font-size: 13px;
            color: var(--color-gold);
            letter-spacing: 2px;
            margin-bottom: 12px;
            font-weight: 500;
        }

        .cta-form-wrapper h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }

        .cta-form-wrapper .cta-desc {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 16px;
            text-align: left;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group label {
            font-size: 13px;
            color: var(--color-text-muted);
            letter-spacing: 1px;
            font-weight: 500;
        }

        .form-group input,
        .form-group select {
            background: rgba(13, 11, 9, 0.8);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xs);
            color: var(--color-text);
            padding: 13px 16px;
            font-size: 15px;
            transition: all var(--transition-fast);
            min-height: 46px;
        }

        .form-group input::placeholder {
            color: var(--color-text-dim);
        }

        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--color-gold);
            box-shadow: 0 0 0 3px rgba(198, 161, 91, 0.12);
            outline: none;
        }

        .form-group select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%23C6A15B' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
            cursor: pointer;
        }

        .form-group select option {
            background: var(--color-bg-card);
            color: var(--color-text);
        }

        .captcha-row {
            display: flex;
            gap: 10px;
        }

        .captcha-row input {
            flex: 1;
        }

        .captcha-btn {
            background: rgba(198, 161, 91, 0.12);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xs);
            color: var(--color-gold);
            padding: 13px 18px;
            font-size: 14px;
            cursor: pointer;
            white-space: nowrap;
            min-height: 46px;
            transition: all var(--transition-fast);
            letter-spacing: 0.5px;
        }

        .captcha-btn:hover {
            background: rgba(198, 161, 91, 0.2);
            border-color: var(--color-border-strong);
        }

        .cta-form .btn-primary {
            width: 100%;
            min-height: 50px;
            font-size: 16px;
            letter-spacing: 2px;
            font-weight: 600;
        }

        .form-trust {
            font-size: 12px;
            color: var(--color-text-dim);
            letter-spacing: 0.5px;
            text-align: center;
            margin-top: 4px;
        }

        @media (max-width: 767px) {
            .cta-form-wrapper h2 {
                font-size: 22px;
            }

            .captcha-row {
                flex-direction: column;
                gap: 8px;
            }
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--color-bg-secondary);
            border-top: 1px solid var(--color-border-light);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: 1px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 0;
        }

        .footer-links h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            letter-spacing: 1px;
            margin-bottom: 14px;
        }

        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links ul li {
            margin-bottom: 8px;
        }

        .footer-links ul a {
            font-size: 13px;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
            letter-spacing: 0.5px;
            text-decoration: none;
        }

        .footer-links ul a:hover {
            color: var(--color-gold);
            padding-left: 4px;
        }

        .footer-contact h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            letter-spacing: 1px;
            margin-bottom: 14px;
        }

        .footer-contact p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 4px;
        }

        .footer-contact i {
            color: var(--color-gold);
            width: 18px;
            display: inline-block;
            margin-right: 6px;
            font-size: 12px;
        }

        .footer-bottom {
            border-top: 1px solid var(--color-border-light);
            padding-top: 20px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 12px;
            color: var(--color-text-dim);
            letter-spacing: 0.5px;
            margin-bottom: 4px;
            line-height: 1.7;
        }

        .footer-bottom a {
            font-size: 12px;
            color: var(--color-text-muted);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-gold);
        }

        .footer-separator {
            color: var(--color-text-dim);
            margin: 0 8px;
        }

        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .site-footer {
                padding: 36px 0 20px;
            }
        }

        /* ============ 通用动画 ============ */
        .fade-in-up {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.5s ease, transform 0.5s ease;
        }

        .fade-in-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        @media (prefers-reduced-motion: reduce) {
            .fade-in-up {
                opacity: 1;
                transform: none;
                transition: none;
            }

            * {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

        /* ============ 自定义Foundation覆盖 ============ */
        .accordion {
            background: transparent;
            border: none;
            margin: 0;
            list-style: none;
        }

        .accordion-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            overflow: hidden;
        }

        .accordion-title {
            background: transparent;
            border: none;
            padding: 0;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            letter-spacing: 0.3px;
            cursor: pointer;
            width: 100%;
            text-align: left;
            transition: color var(--transition-fast);
            position: relative;
        }

        .accordion-title:hover {
            color: var(--color-gold);
        }

        .accordion-title::before {
            content: '+';
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-gold);
            font-size: 20px;
            font-weight: 400;
            transition: transform var(--transition-base);
        }

        .accordion-item.is-active .accordion-title::before {
            transform: translateY(-50%) rotate(45deg);
        }

        .accordion-content {
            background: transparent;
            border: none;
            color: var(--color-text-muted);
            font-size: 14px;
            line-height: 1.85;
            padding: 0 0 18px;
            display: none;
        }

        .accordion-item.is-active .accordion-content {
            display: block;
        }

        .grid-container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 767px) {
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

/* roulang page: category1 */
:root {
            --color-bg: #0D0B09;
            --color-bg-secondary: #1A1512;
            --color-bg-card: #1E1815;
            --color-bg-elevated: #242019;
            --color-gold: #C6A15B;
            --color-gold-light: #D4B87A;
            --color-gold-dark: #A8863F;
            --color-purple: #2B1D3A;
            --color-purple-light: #3A2A4D;
            --color-purple-deep: #1F1429;
            --color-text: #F5EFE6;
            --color-text-muted: #A99E8F;
            --color-text-dim: #7A7063;
            --color-border: rgba(198, 161, 91, 0.35);
            --color-border-strong: rgba(198, 161, 91, 0.65);
            --color-border-light: rgba(198, 161, 91, 0.15);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
            --shadow-gold: 0 8px 20px rgba(198, 161, 91, 0.12);
            --shadow-gold-hover: 0 12px 32px rgba(198, 161, 91, 0.2);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --container-max: 1200px;
            --section-spacing: 80px;
            --section-spacing-mobile: 48px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
            margin: 0;
            padding: 0;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image:
                linear-gradient(rgba(198, 161, 91, 0.015) 1px, transparent 1px),
                linear-gradient(90deg, rgba(198, 161, 91, 0.015) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
            z-index: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--color-gold);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-gold-light);
        }

        a:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 3px;
            border-radius: 2px;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 15px;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            position: relative;
            z-index: 1;
        }

        /* ============ 导航 ============ */
        .site-header {
            background: var(--color-bg);
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 0;
            min-height: 72px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            flex-wrap: nowrap;
        }

        .nav-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: 1px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--color-gold-light);
        }

        .nav-logo .logo-icon {
            font-size: 24px;
            color: var(--color-gold);
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 0;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links-desktop li {
            display: flex;
            align-items: center;
            position: relative;
        }

        .nav-links-desktop li+li::before {
            content: '';
            width: 1px;
            height: 16px;
            background: var(--color-border-light);
            margin: 0 14px;
            flex-shrink: 0;
        }

        .nav-links-desktop a {
            color: var(--color-text-muted);
            font-size: 14px;
            letter-spacing: 1px;
            padding: 26px 0;
            display: inline-block;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links-desktop a:hover {
            color: var(--color-text);
        }

        .nav-links-desktop a.active {
            color: var(--color-gold);
        }

        .nav-links-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--color-gold);
            border-radius: 2px 2px 0 0;
            transition: all var(--transition-fast);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-direction: column;
            gap: 5px;
            align-items: flex-end;
        }

        .nav-toggle span {
            display: block;
            width: 28px;
            height: 2px;
            background: var(--color-gold);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .nav-toggle span:nth-child(2) {
            width: 20px;
        }

        .nav-toggle span:nth-child(3) {
            width: 24px;
        }

        /* ============ 面包屑 ============ */
        .breadcrumb-bar {
            background: var(--color-bg-secondary);
            border-bottom: 1px solid var(--color-border-light);
            padding: 14px 0;
        }

        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .breadcrumb-bar a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb-bar a:hover {
            color: var(--color-gold);
        }

        .breadcrumb-bar .separator {
            color: var(--color-border-strong);
            font-size: 12px;
        }

        .breadcrumb-bar .current {
            color: var(--color-gold);
        }

        /* ============ 内页标题区 ============ */
        .page-title-bar {
            background: var(--color-bg-secondary);
            border-bottom: 1px solid var(--color-border-light);
            padding: 48px 0 40px;
            position: relative;
            overflow: hidden;
        }

        .page-title-bar::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(198, 161, 91, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-title-bar::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -40px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(43, 29, 58, 0.5) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-title-bar .container {
            position: relative;
            z-index: 1;
        }

        .page-title-bar .label-badge {
            display: inline-block;
            background: rgba(198, 161, 91, 0.15);
            border: 1px solid var(--color-border);
            color: var(--color-gold);
            font-size: 13px;
            padding: 6px 16px;
            border-radius: 50px;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        .page-title-bar h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin: 0 0 14px;
        }

        .page-title-bar .subtitle {
            font-size: 17px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin: 0;
        }

        /* ============ 大图左+文字右详情区 ============ */
        .detail-section {
            padding: 56px 0 64px;
            background: var(--color-bg);
        }

        .detail-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .detail-image-wrap {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-md);
            background: var(--color-bg-card);
            min-height: 420px;
        }

        .detail-image-wrap img {
            width: 100%;
            height: 100%;
            min-height: 420px;
            object-fit: cover;
            display: block;
        }

        .detail-image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 11, 9, 0.1) 0%, rgba(13, 11, 9, 0.6) 100%);
            pointer-events: none;
        }

        .detail-image-wrap .image-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: rgba(13, 11, 9, 0.85);
            border: 1px solid var(--color-border-strong);
            color: var(--color-gold);
            font-size: 12px;
            padding: 5px 12px;
            border-radius: 4px;
            letter-spacing: 1px;
        }

        .detail-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: -0.3px;
            line-height: 1.3;
            margin: 0 0 20px;
        }

        .detail-content h2 .highlight {
            color: var(--color-gold);
        }

        .detail-content .desc-text {
            font-size: 16px;
            color: var(--color-text-muted);
            line-height: 1.9;
            margin: 0 0 28px;
        }

        .detail-points {
            list-style: none;
            margin: 0 0 32px;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .detail-points li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.7;
        }

        .detail-points .point-icon {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(198, 161, 91, 0.12);
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-gold);
            font-size: 15px;
            margin-top: 2px;
        }

        .detail-points .point-text strong {
            color: var(--color-text);
            font-weight: 600;
        }

        .detail-content .cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }

        /* ============ 按钮 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-xs);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 1px;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            line-height: 1.5;
            border: none;
            padding: 13px 28px;
            min-height: 48px;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-gold);
            color: var(--color-bg);
        }

        .btn-primary:hover {
            background: var(--color-gold-light);
            color: var(--color-bg);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold-hover);
        }

        .btn-secondary {
            background: transparent;
            color: var(--color-gold);
            border: 1px solid var(--color-border-strong);
        }

        .btn-secondary:hover {
            background: rgba(198, 161, 91, 0.1);
            color: var(--color-gold-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }

        .btn-sm {
            padding: 10px 20px;
            min-height: 40px;
            font-size: 14px;
        }

        /* ============ 数据指标横条 ============ */
        .stats-strip {
            background: var(--color-bg-secondary);
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
            padding: 36px 0;
        }

        .stats-strip .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-cell {
            text-align: center;
            padding: 16px 8px;
            border-right: 1px solid var(--color-border-light);
        }

        .stat-cell:last-child {
            border-right: none;
        }

        .stat-cell .stat-number {
            font-size: 40px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: -1px;
            line-height: 1.2;
            text-shadow: 0 0 24px rgba(198, 161, 91, 0.25);
        }

        .stat-cell .stat-label {
            font-size: 13px;
            color: var(--color-text-muted);
            letter-spacing: 1px;
            margin-top: 6px;
        }

        /* ============ 卖点卡片区 ============ */
        .features-section {
            padding: 64px 0 72px;
            background: var(--color-bg);
        }

        .features-section .section-heading {
            text-align: center;
            margin-bottom: 40px;
        }

        .features-section .section-heading h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.5px;
            margin: 0 0 12px;
        }

        .features-section .section-heading p {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.8;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-gold) 0%, rgba(198, 161, 91, 0.2) 100%);
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .feature-card:hover {
            transform: translateY(-3px);
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-gold-hover);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(198, 161, 91, 0.1);
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-gold);
            font-size: 20px;
            margin-bottom: 18px;
        }

        .feature-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 10px;
            letter-spacing: 0.3px;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin: 0 0 16px;
        }

        .feature-card .card-tag {
            display: inline-block;
            font-size: 12px;
            color: var(--color-gold);
            border: 1px solid var(--color-border);
            border-radius: 3px;
            padding: 3px 10px;
            letter-spacing: 1px;
        }

        /* ============ 步骤简述区 ============ */
        .steps-brief {
            padding: 64px 0 72px;
            background: var(--color-bg-secondary);
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
        }

        .steps-brief .section-heading {
            text-align: center;
            margin-bottom: 40px;
        }

        .steps-brief .section-heading h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 12px;
            letter-spacing: 0.5px;
        }

        .steps-brief .section-heading p {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 560px;
            margin: 0 auto;
        }

        .steps-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            position: relative;
        }

        .steps-row::before {
            content: '';
            position: absolute;
            top: 28px;
            left: 15%;
            right: 15%;
            height: 2px;
            background: linear-gradient(90deg, var(--color-border-strong), rgba(198, 161, 91, 0.15), var(--color-border-strong));
        }

        .step-item {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .step-item .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-bg-card);
            border: 2px solid var(--color-gold);
            color: var(--color-gold);
            font-size: 24px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 0 20px rgba(198, 161, 91, 0.15);
        }

        .step-item h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 8px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            max-width: 260px;
            margin: 0 auto;
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: 64px 0 72px;
            background: var(--color-bg);
        }

        .faq-section .section-heading {
            text-align: center;
            margin-bottom: 40px;
        }

        .faq-section .section-heading h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 12px;
            letter-spacing: 0.5px;
        }

        .faq-section .section-heading p {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 540px;
            margin: 0 auto;
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border-strong);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            color: var(--color-text);
            font-size: 15px;
            font-weight: 600;
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            text-align: left;
            letter-spacing: 0.3px;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-gold);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(198, 161, 91, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-gold);
            font-size: 14px;
            transition: transform var(--transition-fast);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 20px;
            color: var(--color-text-muted);
            font-size: 14px;
            line-height: 1.8;
            border-top: 1px solid transparent;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 16px 20px;
            border-top-color: var(--color-border-light);
        }

        /* ============ CTA 转化区 ============ */
        .cta-section {
            padding: 64px 0 72px;
            background: var(--color-bg-secondary);
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(43, 29, 58, 0.55) 0%, rgba(13, 11, 9, 0.85) 100%);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 620px;
        }

        .cta-section h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 14px;
            letter-spacing: 0.5px;
            line-height: 1.3;
        }

        .cta-section h2 .highlight {
            color: var(--color-gold);
        }

        .cta-section p {
            font-size: 16px;
            color: var(--color-text-muted);
            margin: 0 0 28px;
            line-height: 1.8;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-trust {
            font-size: 12px;
            color: var(--color-text-dim);
            margin-top: 20px;
            letter-spacing: 0.5px;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--color-bg);
            border-top: 1px solid var(--color-border-light);
            padding: 56px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1.2fr 1.5fr;
            gap: 48px;
            margin-bottom: 40px;
        }

        .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }

        .footer-brand .footer-logo i {
            font-size: 22px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.8;
            max-width: 360px;
            margin: 0;
        }

        .footer-links h4,
        .footer-contact h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 16px;
            letter-spacing: 0.5px;
        }

        .footer-links ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links ul li a {
            font-size: 14px;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .footer-links ul li a:hover {
            color: var(--color-gold);
        }

        .footer-contact p {
            font-size: 14px;
            color: var(--color-text-muted);
            margin: 0 0 10px;
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1.6;
        }

        .footer-contact p i {
            color: var(--color-gold);
            width: 18px;
            text-align: center;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid var(--color-border-light);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: var(--color-text-dim);
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-bottom a {
            color: var(--color-text-dim);
            font-size: 12px;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-gold);
        }

        .footer-separator {
            margin: 0 10px;
            color: var(--color-border-strong);
        }

        /* ============ 响应式 ============ */
        @media screen and (max-width: 1024px) {
            .detail-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .detail-image-wrap {
                min-height: 320px;
            }

            .detail-image-wrap img {
                min-height: 320px;
            }

            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .stats-strip .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .stat-cell:nth-child(2) {
                border-right: none;
            }

            .stat-cell {
                border-bottom: 1px solid var(--color-border-light);
            }

            .stat-cell:nth-child(3),
            .stat-cell:nth-child(4) {
                border-bottom: none;
            }

            .steps-row {
                gap: 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media screen and (max-width: 768px) {
            :root {
                --section-spacing: 48px;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .nav-links-desktop {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .site-header {
                min-height: 60px;
            }

            .nav-logo {
                font-size: 18px;
            }

            .nav-logo .logo-icon {
                font-size: 20px;
            }

            .page-title-bar {
                padding: 32px 0 28px;
            }

            .page-title-bar h1 {
                font-size: 26px;
            }

            .page-title-bar .subtitle {
                font-size: 15px;
            }

            .detail-section {
                padding: 36px 0 40px;
            }

            .detail-image-wrap {
                min-height: 240px;
                border-radius: var(--radius-sm);
            }

            .detail-image-wrap img {
                min-height: 240px;
            }

            .detail-content h2 {
                font-size: 22px;
            }

            .detail-content .desc-text {
                font-size: 15px;
            }

            .detail-content .cta-group {
                flex-direction: column;
                align-items: stretch;
            }

            .btn {
                width: 100%;
                justify-content: center;
            }

            .stats-strip {
                padding: 24px 0;
            }

            .stats-strip .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-cell .stat-number {
                font-size: 28px;
            }

            .stat-cell .stat-label {
                font-size: 12px;
            }

            .features-section {
                padding: 40px 0 48px;
            }

            .features-section .section-heading h2 {
                font-size: 22px;
            }

            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .feature-card {
                padding: 20px 18px;
            }

            .steps-brief {
                padding: 40px 0 48px;
            }

            .steps-brief .section-heading h2 {
                font-size: 22px;
            }

            .steps-row {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .steps-row::before {
                display: none;
            }

            .step-item .step-num {
                width: 44px;
                height: 44px;
                font-size: 20px;
                margin-bottom: 12px;
            }

            .faq-section {
                padding: 40px 0 48px;
            }

            .faq-section .section-heading h2 {
                font-size: 22px;
            }

            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }

            .faq-answer {
                font-size: 13px;
                padding: 0 16px;
            }

            .faq-item.open .faq-answer {
                padding: 12px 16px;
            }

            .cta-section {
                padding: 40px 0 48px;
            }

            .cta-section h2 {
                font-size: 24px;
            }

            .cta-section p {
                font-size: 14px;
            }

            .site-footer {
                padding: 36px 0 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                margin-bottom: 24px;
            }

            .footer-brand {
                grid-column: auto;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media screen and (max-width: 520px) {
            .page-title-bar h1 {
                font-size: 22px;
            }

            .stats-strip .stats-grid {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .stat-cell {
                border-right: none;
                border-bottom: 1px solid var(--color-border-light);
            }

            .stat-cell:last-child {
                border-bottom: none;
            }

            .stat-cell .stat-number {
                font-size: 24px;
            }

            .detail-image-wrap {
                min-height: 200px;
                border-radius: var(--radius-xs);
            }

            .detail-image-wrap img {
                min-height: 200px;
            }

            .detail-points li {
                font-size: 14px;
                gap: 10px;
            }

            .detail-points .point-icon {
                width: 30px;
                height: 30px;
                font-size: 13px;
            }

            .cta-section .btn-group {
                flex-direction: column;
            }
        }

        /* 移动端全屏菜单 */
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--color-bg);
            z-index: 99;
            padding: 20px 16px;
            overflow-y: auto;
        }

        .mobile-menu-overlay.active {
            display: block;
        }

        .mobile-menu-overlay ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .mobile-menu-overlay li a {
            display: block;
            padding: 14px 0;
            font-size: 22px;
            color: var(--color-text-muted);
            border-bottom: 1px solid var(--color-border-light);
            letter-spacing: 1px;
            transition: color var(--transition-fast);
        }

        .mobile-menu-overlay li a:hover,
        .mobile-menu-overlay li a.active {
            color: var(--color-gold);
        }

        @media screen and (min-width: 769px) {
            .mobile-menu-overlay {
                display: none !important;
            }
        }

/* roulang page: category2 */
:root {
            --color-bg: #0D0B09;
            --color-bg-secondary: #1A1512;
            --color-bg-card: #1E1815;
            --color-bg-elevated: #242019;
            --color-gold: #C6A15B;
            --color-gold-light: #D4B87A;
            --color-gold-dark: #A8863F;
            --color-purple: #2B1D3A;
            --color-purple-light: #3A2A4D;
            --color-purple-deep: #1F1429;
            --color-text: #F5EFE6;
            --color-text-muted: #A99E8F;
            --color-text-dim: #7A7063;
            --color-border: rgba(198, 161, 91, 0.35);
            --color-border-strong: rgba(198, 161, 91, 0.65);
            --color-border-light: rgba(198, 161, 91, 0.15);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
            --shadow-gold: 0 8px 20px rgba(198, 161, 91, 0.12);
            --shadow-gold-hover: 0 12px 32px rgba(198, 161, 91, 0.2);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --container-max: 1200px;
            --section-spacing: 80px;
            --section-spacing-mobile: 48px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image:
                linear-gradient(rgba(198, 161, 91, 0.015) 1px, transparent 1px),
                linear-gradient(90deg, rgba(198, 161, 91, 0.015) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
            z-index: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--color-gold);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-gold-light);
        }

        a:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 3px;
            border-radius: 2px;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 15px;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            position: relative;
            z-index: 1;
        }

        /* ============ 导航 ============ */
        .site-header {
            background: var(--color-bg);
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 0;
            min-height: 72px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            flex-wrap: nowrap;
        }

        .nav-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: 1px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--color-gold-light);
        }

        .nav-logo .logo-icon {
            font-size: 24px;
            color: var(--color-gold);
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 0;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links-desktop li {
            display: flex;
            align-items: center;
            position: relative;
        }

        .nav-links-desktop li+li::before {
            content: '';
            width: 1px;
            height: 16px;
            background: var(--color-border-light);
            margin: 0 14px;
            flex-shrink: 0;
        }

        .nav-links-desktop a {
            color: var(--color-text-muted);
            font-size: 14px;
            letter-spacing: 1px;
            padding: 26px 0;
            display: inline-block;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links-desktop a:hover {
            color: var(--color-text);
        }

        .nav-links-desktop a.active {
            color: var(--color-gold);
        }

        .nav-links-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--color-gold);
            border-radius: 1px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-direction: column;
            gap: 6px;
            align-items: flex-end;
            z-index: 101;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-gold);
            border-radius: 1px;
            transition: transform var(--transition-fast), opacity var(--transition-fast), width var(--transition-fast);
        }

        .nav-toggle span:nth-child(2) {
            width: 18px;
        }

        .nav-toggle span:nth-child(3) {
            width: 12px;
        }

        .nav-mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(13, 11, 9, 0.98);
            z-index: 99;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 24px;
        }

        .nav-mobile-overlay.is-open {
            display: flex;
        }

        .nav-mobile-overlay ul {
            list-style: none;
            padding: 0;
            margin: 0;
            text-align: center;
        }

        .nav-mobile-overlay li {
            margin: 16px 0;
        }

        .nav-mobile-overlay a {
            font-size: 22px;
            color: var(--color-text);
            letter-spacing: 1px;
            padding: 8px 16px;
            display: block;
            transition: color var(--transition-fast);
        }

        .nav-mobile-overlay a:hover,
        .nav-mobile-overlay a.active {
            color: var(--color-gold);
        }

        /* ============ 面包屑 ============ */
        .breadcrumb-bar {
            background: var(--color-bg-secondary);
            border-bottom: 1px solid var(--color-border-light);
            padding: 14px 0;
        }

        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--color-text-dim);
        }

        .breadcrumb-bar a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb-bar a:hover {
            color: var(--color-gold);
        }

        .breadcrumb-bar .breadcrumb-separator {
            color: var(--color-border-strong);
        }

        .breadcrumb-bar .breadcrumb-current {
            color: var(--color-gold);
        }

        /* ============ 页面标题区 ============ */
        .page-hero {
            padding: 72px 0 56px;
            background:
                radial-gradient(ellipse at 30% 20%, rgba(43, 29, 58, 0.4) 0%, transparent 55%),
                radial-gradient(ellipse at 75% 40%, rgba(198, 161, 91, 0.06) 0%, transparent 50%),
                var(--color-bg);
            position: relative;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--color-border-strong), transparent);
        }

        .page-hero .page-hero-inner {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .page-hero .page-hero-content h1 {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: -0.5px;
            line-height: 1.25;
            margin-bottom: 16px;
        }

        .page-hero .page-hero-content h1 .highlight {
            color: var(--color-gold);
        }

        .page-hero .page-hero-content .hero-subtitle {
            font-size: 16px;
            color: var(--color-text-muted);
            line-height: 1.9;
            margin-bottom: 24px;
            max-width: 560px;
        }

        .page-hero .hero-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .page-hero .hero-tags .tag {
            display: inline-block;
            padding: 5px 14px;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            font-size: 12px;
            color: var(--color-gold);
            letter-spacing: 1px;
            background: rgba(198, 161, 91, 0.05);
        }

        .page-hero .hero-image-wrap {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-md);
            position: relative;
        }

        .page-hero .hero-image-wrap img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }

        .page-hero .hero-image-wrap::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60%;
            background: linear-gradient(to top, rgba(13, 11, 9, 0.85), transparent);
            pointer-events: none;
        }

        .page-hero .hero-image-wrap .hero-image-caption {
            position: absolute;
            bottom: 16px;
            left: 20px;
            z-index: 2;
            font-size: 13px;
            color: var(--color-gold-light);
            letter-spacing: 1px;
        }

        /* ============ 按钮 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 0 28px;
            height: 48px;
            border-radius: var(--radius-xs);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 1px;
            cursor: pointer;
            border: none;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-gold);
            color: #0D0B09;
        }

        .btn-primary:hover {
            background: var(--color-gold-light);
            color: #0D0B09;
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-gold);
            border: 1px solid var(--color-border-strong);
        }

        .btn-outline:hover {
            background: rgba(198, 161, 91, 0.1);
            color: var(--color-gold-light);
            border-color: var(--color-gold);
            transform: translateY(-2px);
        }

        .btn-sm {
            height: 40px;
            padding: 0 20px;
            font-size: 13px;
        }

        .btn-lg {
            height: 56px;
            padding: 0 40px;
            font-size: 16px;
        }

        /* ============ 数据指标条 ============ */
        .metrics-strip {
            padding: 32px 0;
            background: var(--color-bg-secondary);
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
        }

        .metrics-strip .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .metrics-strip .metric-item {
            text-align: center;
            padding: 12px 8px;
        }

        .metrics-strip .metric-value {
            font-size: clamp(28px, 3vw, 42px);
            font-weight: 700;
            color: var(--color-gold);
            line-height: 1.1;
            text-shadow: 0 0 24px rgba(198, 161, 91, 0.35);
            letter-spacing: -0.5px;
        }

        .metrics-strip .metric-label {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-top: 6px;
            letter-spacing: 1px;
        }

        /* ============ 步骤板块 ============ */
        .steps-section {
            padding: var(--section-spacing) 0;
        }

        .steps-section .section-heading {
            text-align: center;
            margin-bottom: 56px;
        }

        .steps-section .section-heading h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.5px;
            line-height: 1.3;
        }

        .steps-section .section-heading p {
            font-size: 15px;
            color: var(--color-text-muted);
            margin-top: 12px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
        }

        .steps-container {
            position: relative;
            max-width: 820px;
            margin: 0 auto;
        }

        .steps-container::before {
            content: '';
            position: absolute;
            top: 40px;
            bottom: 40px;
            left: 50%;
            width: 2px;
            background: linear-gradient(to bottom, var(--color-border-strong), var(--color-border-light), var(--color-border-strong));
            transform: translateX(-50%);
        }

        .step-item {
            position: relative;
            display: grid;
            grid-template-columns: 1fr 80px 1fr;
            align-items: center;
            margin-bottom: 48px;
        }

        .step-item:last-child {
            margin-bottom: 0;
        }

        .step-item .step-number-node {
            grid-column: 2;
            grid-row: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: var(--color-bg-card);
            border: 2px solid var(--color-border-strong);
            z-index: 2;
            position: relative;
            box-shadow: 0 0 0 8px var(--color-bg), 0 0 24px rgba(198, 161, 91, 0.15);
        }

        .step-item .step-number-node .step-number {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: -0.5px;
        }

        .step-item .step-card {
            padding: 28px 32px;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            background: var(--color-bg-card);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            cursor: default;
        }

        .step-item .step-card:hover {
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-gold-hover);
            transform: translateY(-3px);
        }

        .step-item .step-card.step-left {
            grid-column: 1;
            grid-row: 1;
            text-align: right;
        }

        .step-item .step-card.step-right {
            grid-column: 3;
            grid-row: 1;
            text-align: left;
        }

        .step-item .step-card .step-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }

        .step-item .step-card .step-title .step-badge {
            display: inline-block;
            font-size: 12px;
            color: var(--color-gold);
            border: 1px solid var(--color-border);
            border-radius: 3px;
            padding: 2px 8px;
            margin-left: 8px;
            letter-spacing: 0.5px;
            vertical-align: middle;
        }

        .step-item .step-card .step-desc {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.8;
        }

        .step-item .step-card .step-desc strong {
            color: var(--color-gold-light);
            font-weight: 600;
        }

        /* ============ 高亮提示卡片 ============ */
        .highlight-card-section {
            padding: 0 0 var(--section-spacing);
        }

        .highlight-card-section .highlight-card {
            background: linear-gradient(135deg, var(--color-purple-deep) 0%, var(--color-bg-card) 55%, var(--color-bg-elevated) 100%);
            border: 1px solid var(--color-border-strong);
            border-radius: var(--radius-md);
            padding: 44px 48px;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 32px;
            align-items: center;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }

        .highlight-card-section .highlight-card::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(198, 161, 91, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .highlight-card-section .highlight-card .highlight-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-gold);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .highlight-card-section .highlight-card .highlight-content p {
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.9;
            max-width: 640px;
        }

        .highlight-card-section .highlight-card .highlight-content p strong {
            color: var(--color-gold-light);
        }

        .highlight-card-section .highlight-card .highlight-icon {
            font-size: 56px;
            color: var(--color-gold);
            opacity: 0.7;
        }

        /* ============ 横向转化条 ============ */
        .cta-banner {
            padding: 0 0 var(--section-spacing);
        }

        .cta-banner .cta-banner-inner {
            background: var(--color-bg-elevated);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 36px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-sm);
        }

        .cta-banner .cta-banner-inner .cta-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
            letter-spacing: 0.5px;
        }

        .cta-banner .cta-banner-inner .cta-text p {
            font-size: 14px;
            color: var(--color-text-muted);
        }

        .cta-banner .cta-banner-inner .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: 0 0 var(--section-spacing);
        }

        .faq-section .section-heading {
            text-align: center;
            margin-bottom: 40px;
        }

        .faq-section .section-heading h2 {
            font-size: clamp(22px, 2.5vw, 28px);
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.5px;
        }

        .faq-section .section-heading p {
            font-size: 14px;
            color: var(--color-text-muted);
            margin-top: 8px;
        }

        .faq-section .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-section .faq-item {
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            background: var(--color-bg-card);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .faq-section .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-section .faq-item .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            letter-spacing: 0.3px;
            transition: color var(--transition-fast);
            gap: 16px;
        }

        .faq-section .faq-item .faq-question:hover {
            color: var(--color-gold);
        }

        .faq-section .faq-item .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 1px solid var(--color-border);
            color: var(--color-gold);
            font-size: 14px;
            transition: transform var(--transition-fast), background var(--transition-fast);
        }

        .faq-section .faq-item.is-active .faq-question .faq-icon {
            transform: rotate(45deg);
            background: rgba(198, 161, 91, 0.1);
        }

        .faq-section .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base);
        }

        .faq-section .faq-item.is-active .faq-answer {
            max-height: 400px;
        }

        .faq-section .faq-item .faq-answer .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.85;
        }

        /* ============ 品牌介绍 ============ */
        .brand-intro-section {
            padding: 0 0 var(--section-spacing);
        }

        .brand-intro-section .brand-intro-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            padding: 40px 44px;
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: center;
            box-shadow: var(--shadow-sm);
        }

        .brand-intro-section .brand-intro-card .brand-intro-image {
            border-radius: var(--radius-sm);
            overflow: hidden;
            border: 1px solid var(--color-border);
        }

        .brand-intro-section .brand-intro-card .brand-intro-image img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }

        .brand-intro-section .brand-intro-card .brand-intro-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-gold);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .brand-intro-section .brand-intro-card .brand-intro-content p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.9;
            margin-bottom: 12px;
        }

        .brand-intro-section .brand-intro-card .brand-intro-content p:last-child {
            margin-bottom: 0;
        }

        .brand-intro-section .brand-intro-card .brand-intro-content p strong {
            color: var(--color-text);
            font-weight: 600;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--color-bg-secondary);
            border-top: 1px solid var(--color-border-light);
            padding: 56px 0 32px;
            margin-top: 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .site-footer .footer-brand .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: 1px;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .site-footer .footer-brand .footer-logo i {
            font-size: 22px;
        }

        .site-footer .footer-brand p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.8;
            max-width: 340px;
        }

        .site-footer .footer-links h4,
        .site-footer .footer-contact h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .site-footer .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer .footer-links li {
            margin-bottom: 8px;
        }

        .site-footer .footer-links a {
            font-size: 13px;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .site-footer .footer-links a:hover {
            color: var(--color-gold);
        }

        .site-footer .footer-contact p {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .site-footer .footer-contact p i {
            color: var(--color-gold);
            width: 16px;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid var(--color-border-light);
            padding-top: 24px;
            text-align: center;
        }

        .site-footer .footer-bottom p {
            font-size: 12px;
            color: var(--color-text-dim);
            margin-bottom: 6px;
        }

        .site-footer .footer-bottom a {
            font-size: 12px;
            color: var(--color-text-dim);
            transition: color var(--transition-fast);
        }

        .site-footer .footer-bottom a:hover {
            color: var(--color-gold);
        }

        .site-footer .footer-bottom .footer-separator {
            margin: 0 8px;
            color: var(--color-text-dim);
        }

        /* ============ 响应式 ============ */
        @media screen and (max-width: 1024px) {
            .metrics-strip .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .page-hero .page-hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .page-hero .hero-image-wrap img {
                height: 240px;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media screen and (max-width: 768px) {
            :root {
                --section-spacing: 56px;
            }

            .nav-links-desktop {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-toggle.is-active span:nth-child(1) {
                transform: rotate(45deg) translate(4px, 4px);
                width: 20px;
            }

            .nav-toggle.is-active span:nth-child(2) {
                opacity: 0;
            }

            .nav-toggle.is-active span:nth-child(3) {
                transform: rotate(-45deg) translate(4px, -4px);
                width: 20px;
            }

            .page-hero {
                padding: 48px 0 40px;
            }

            .page-hero .page-hero-content h1 {
                font-size: 26px;
            }

            .page-hero .hero-image-wrap img {
                height: 200px;
            }

            .steps-container::before {
                left: 24px;
                top: 24px;
                bottom: 24px;
            }

            .step-item {
                grid-template-columns: 48px 1fr;
                gap: 16px;
                margin-bottom: 32px;
                align-items: flex-start;
            }

            .step-item .step-number-node {
                grid-column: 1;
                grid-row: 1;
                width: 48px;
                height: 48px;
                box-shadow: 0 0 0 4px var(--color-bg), 0 0 16px rgba(198, 161, 91, 0.12);
            }

            .step-item .step-number-node .step-number {
                font-size: 18px;
            }

            .step-item .step-card.step-left,
            .step-item .step-card.step-right {
                grid-column: 2;
                grid-row: 1;
                text-align: left;
                padding: 20px 24px;
            }

            .step-item .step-card .step-title {
                font-size: 16px;
            }

            .highlight-card-section .highlight-card {
                padding: 32px 28px;
                grid-template-columns: 1fr;
                gap: 20px;
                text-align: center;
            }

            .highlight-card-section .highlight-card .highlight-icon {
                font-size: 42px;
            }

            .cta-banner .cta-banner-inner {
                flex-direction: column;
                text-align: center;
                padding: 28px 24px;
            }

            .cta-banner .cta-banner-inner .cta-actions {
                justify-content: center;
            }

            .brand-intro-section .brand-intro-card {
                grid-template-columns: 1fr;
                padding: 28px 24px;
                gap: 24px;
            }

            .brand-intro-section .brand-intro-card .brand-intro-image img {
                height: 200px;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .site-footer {
                padding: 40px 0 24px;
            }

            .site-footer .footer-bottom p {
                font-size: 11px;
            }

            .btn-lg {
                height: 48px;
                padding: 0 28px;
                font-size: 14px;
            }

            .btn {
                height: 44px;
                padding: 0 22px;
                font-size: 14px;
            }
        }

        @media screen and (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .metrics-strip .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .metrics-strip .metric-value {
                font-size: 24px;
            }

            .page-hero .hero-image-wrap img {
                height: 160px;
            }

            .step-item .step-card {
                padding: 16px 18px;
            }

            .step-item .step-card .step-desc {
                font-size: 13px;
            }

            .faq-section .faq-item .faq-question {
                font-size: 13px;
                padding: 14px 16px;
            }

            .faq-section .faq-item .faq-answer .faq-answer-inner {
                padding: 0 16px 16px;
                font-size: 13px;
            }

            .highlight-card-section .highlight-card {
                padding: 24px 20px;
            }

            .highlight-card-section .highlight-card .highlight-content h3 {
                font-size: 18px;
            }

            .highlight-card-section .highlight-card .highlight-content p {
                font-size: 13px;
            }
        }

/* roulang page: category3 */
:root {
        --color-bg: #0D0B09;
        --color-bg-secondary: #1A1512;
        --color-bg-card: #1E1815;
        --color-bg-elevated: #242019;
        --color-gold: #C6A15B;
        --color-gold-light: #D4B87A;
        --color-gold-dark: #A8863F;
        --color-purple: #2B1D3A;
        --color-purple-light: #3A2A4D;
        --color-purple-deep: #1F1429;
        --color-text: #F5EFE6;
        --color-text-muted: #A99E8F;
        --color-text-dim: #7A7063;
        --color-border: rgba(198, 161, 91, 0.35);
        --color-border-strong: rgba(198, 161, 91, 0.65);
        --color-border-light: rgba(198, 161, 91, 0.15);
        --radius-xs: 4px;
        --radius-sm: 6px;
        --radius-md: 10px;
        --radius-lg: 16px;
        --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.35);
        --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
        --shadow-gold: 0 8px 20px rgba(198, 161, 91, 0.12);
        --shadow-gold-hover: 0 12px 32px rgba(198, 161, 91, 0.2);
        --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
        --container-max: 1200px;
        --section-spacing: 80px;
        --section-spacing-mobile: 48px;
        --transition-fast: 0.2s ease;
        --transition-base: 0.3s ease;
        --transition-slow: 0.5s ease;
    }

    html {
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--font-sans);
        font-size: 15px;
        line-height: 1.85;
        color: var(--color-text);
        background-color: var(--color-bg);
        min-height: 100vh;
        overflow-x: hidden;
        position: relative;
    }

    body::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-image:
            linear-gradient(rgba(198, 161, 91, 0.015) 1px, transparent 1px),
            linear-gradient(90deg, rgba(198, 161, 91, 0.015) 1px, transparent 1px);
        background-size: 48px 48px;
        pointer-events: none;
        z-index: 0;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    a {
        color: var(--color-gold);
        text-decoration: none;
        transition: color var(--transition-fast);
    }

    a:hover {
        color: var(--color-gold-light);
    }

    a:focus-visible {
        outline: 2px solid var(--color-gold);
        outline-offset: 3px;
        border-radius: 2px;
    }

    button,
    input,
    select,
    textarea {
        font-family: var(--font-sans);
        font-size: 15px;
    }

    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline: 2px solid var(--color-gold);
        outline-offset: 2px;
    }

    .container {
        max-width: var(--container-max);
        margin: 0 auto;
        padding-left: 24px;
        padding-right: 24px;
        position: relative;
        z-index: 1;
    }

    /* ============ 导航 ============ */
    .site-header {
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border-light);
        position: sticky;
        top: 0;
        z-index: 100;
        padding: 0;
        min-height: 72px;
        display: flex;
        align-items: center;
    }

    .site-header .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        flex-wrap: nowrap;
    }

    .nav-logo {
        font-size: 22px;
        font-weight: 700;
        color: var(--color-gold);
        letter-spacing: 1px;
        white-space: nowrap;
        display: flex;
        align-items: center;
        gap: 8px;
        transition: color var(--transition-fast);
    }

    .nav-logo:hover {
        color: var(--color-gold-light);
    }

    .nav-logo .logo-icon {
        font-size: 24px;
        color: var(--color-gold);
    }

    .nav-links-desktop {
        display: flex;
        align-items: center;
        gap: 0;
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .nav-links-desktop li {
        display: flex;
        align-items: center;
        position: relative;
    }

    .nav-links-desktop li+li::before {
        content: '';
        width: 1px;
        height: 16px;
        background: var(--color-border-light);
        margin: 0 14px;
        flex-shrink: 0;
    }

    .nav-links-desktop a {
        color: var(--color-text-muted);
        font-size: 14px;
        letter-spacing: 1px;
        padding: 26px 0;
        display: inline-block;
        position: relative;
        transition: color var(--transition-fast);
        white-space: nowrap;
    }

    .nav-links-desktop a:hover {
        color: var(--color-text);
    }

    .nav-links-desktop a.active {
        color: var(--color-gold);
    }

    .nav-links-desktop a.active::after {
        content: '';
        position: absolute;
        left: 0;
        right: 0;
        bottom: 18px;
        height: 2px;
        background: var(--color-gold);
        border-radius: 1px;
        transition: all var(--transition-fast);
    }

    .nav-toggle {
        display: none;
        background: none;
        border: none;
        cursor: pointer;
        padding: 10px 4px;
        flex-direction: column;
        gap: 6px;
        align-items: flex-end;
    }

    .nav-toggle span {
        display: block;
        width: 26px;
        height: 2px;
        background: var(--color-gold);
        border-radius: 1px;
        transition: all var(--transition-base);
    }

    .nav-toggle span:nth-child(2) {
        width: 20px;
    }

    .nav-toggle span:nth-child(3) {
        width: 24px;
    }

    /* ============ 面包屑 & 标题区 ============ */
    .page-title-section {
        padding: 56px 0 36px;
        background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg) 100%);
        border-bottom: 1px solid var(--color-border-light);
        position: relative;
        overflow: hidden;
    }

    .page-title-section::before {
        content: '';
        position: absolute;
        top: -120px;
        right: -80px;
        width: 380px;
        height: 380px;
        background: radial-gradient(circle, rgba(43, 29, 58, 0.55) 0%, transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }

    .page-title-section::after {
        content: '';
        position: absolute;
        bottom: -60px;
        left: -40px;
        width: 260px;
        height: 180px;
        background: radial-gradient(ellipse, rgba(198, 161, 91, 0.06) 0%, transparent 70%);
        pointer-events: none;
    }

    .breadcrumb-nav {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: var(--color-text-dim);
        margin-bottom: 24px;
        flex-wrap: wrap;
    }

    .breadcrumb-nav a {
        color: var(--color-text-dim);
    }

    .breadcrumb-nav a:hover {
        color: var(--color-gold);
    }

    .breadcrumb-nav .separator {
        color: var(--color-gold-dark);
    }

    .breadcrumb-nav .current {
        color: var(--color-gold);
    }

    .page-title-section h1 {
        font-size: 38px;
        font-weight: 700;
        letter-spacing: -0.5px;
        line-height: 1.2;
        color: var(--color-text);
        margin: 0 0 16px;
    }

    .page-title-section h1 .highlight {
        color: var(--color-gold);
    }

    .page-title-section .page-subtitle {
        font-size: 16px;
        color: var(--color-text-muted);
        line-height: 1.85;
        max-width: 720px;
        margin: 0;
    }

    /* ============ 宫格筛选卡片 ============ */
    .session-grid-section {
        padding: 56px 0 44px;
    }

    .section-heading {
        margin-bottom: 32px;
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 16px;
    }

    .section-heading h2 {
        font-size: 26px;
        font-weight: 700;
        letter-spacing: 0.5px;
        color: var(--color-text);
        margin: 0;
    }

    .section-heading h2 .gold-accent {
        color: var(--color-gold);
    }

    .section-heading .heading-note {
        font-size: 14px;
        color: var(--color-text-dim);
        letter-spacing: 1px;
    }

    .session-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 18px;
    }

    .session-card {
        background: var(--color-bg-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        padding: 24px 20px 20px;
        cursor: pointer;
        transition: all var(--transition-base);
        position: relative;
        overflow: hidden;
        min-height: 150px;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        justify-content: space-between;
    }

    .session-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: transparent;
        transition: all var(--transition-base);
    }

    .session-card:hover {
        border-color: var(--color-border-strong);
        transform: translateY(-3px);
        box-shadow: var(--shadow-gold);
    }

    .session-card:hover::before {
        background: var(--color-gold);
    }

    .session-card.card-selected {
        border-color: var(--color-gold);
        box-shadow: 0 0 0 1px var(--color-gold), var(--shadow-gold-hover);
    }

    .session-card.card-selected::before {
        background: var(--color-gold);
    }

    .session-card .card-icon {
        font-size: 30px;
        color: var(--color-gold);
        margin-bottom: 12px;
        transition: all var(--transition-base);
    }

    .session-card:hover .card-icon {
        color: var(--color-gold-light);
        transform: scale(1.08);
    }

    .session-card .card-title {
        font-size: 18px;
        font-weight: 600;
        color: var(--color-text);
        margin-bottom: 6px;
        letter-spacing: 0.5px;
    }

    .session-card .card-tags {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
    }

    .session-card .card-tag {
        font-size: 12px;
        color: var(--color-gold);
        border: 1px solid var(--color-border);
        border-radius: 20px;
        padding: 2px 10px;
        letter-spacing: 1px;
        white-space: nowrap;
    }

    /* ============ 数据摘要横条 ============ */
    .session-stats-strip {
        padding: 20px 0;
        background: var(--color-bg-secondary);
        border-top: 1px solid var(--color-border-light);
        border-bottom: 1px solid var(--color-border-light);
    }

    .stats-strip-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
        text-align: center;
    }

    .stats-strip-item {
        padding: 12px 8px;
    }

    .stats-strip-item .stat-number {
        font-size: 34px;
        font-weight: 700;
        color: var(--color-gold);
        text-shadow: 0 0 18px rgba(198, 161, 91, 0.3);
        letter-spacing: -0.5px;
        line-height: 1.2;
    }

    .stats-strip-item .stat-label {
        font-size: 13px;
        color: var(--color-text-dim);
        letter-spacing: 1px;
        margin-top: 4px;
    }

    /* ============ 滚动信息条 ============ */
    .marquee-section {
        padding: 44px 0;
        background: transparent;
    }

    .marquee-wrapper {
        overflow: hidden;
        position: relative;
        border-top: 1px solid var(--color-border-light);
        border-bottom: 1px solid var(--color-border-light);
        padding: 14px 0;
    }

    .marquee-track {
        display: flex;
        gap: 48px;
        animation: marqueeScroll 32s linear infinite;
        white-space: nowrap;
        will-change: transform;
    }

    .marquee-wrapper:hover .marquee-track {
        animation-play-state: paused;
    }

    @keyframes marqueeScroll {
        0% {
            transform: translateX(0);
        }
        100% {
            transform: translateX(-50%);
        }
    }

    .marquee-item {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 14px;
        color: var(--color-text-muted);
        letter-spacing: 0.5px;
        flex-shrink: 0;
    }

    .marquee-item i {
        color: var(--color-gold);
        font-size: 12px;
    }

    .marquee-item .marquee-badge {
        color: var(--color-gold);
        border: 1px solid var(--color-border);
        border-radius: 14px;
        padding: 1px 10px;
        font-size: 12px;
        letter-spacing: 1px;
    }

    /* ============ 详情说明区 ============ */
    .session-detail-section {
        padding: 52px 0 44px;
        background: var(--color-bg-secondary);
        border-radius: var(--radius-lg);
        margin-bottom: 44px;
        border: 1px solid var(--color-border-light);
    }

    .session-detail-section .container {
        padding-top: 20px;
        padding-bottom: 20px;
    }

    .detail-grid {
        display: flex;
        flex-wrap: wrap;
        gap: 32px;
        align-items: center;
    }

    .detail-image-wrap {
        flex: 0 0 320px;
        max-width: 320px;
        border-radius: var(--radius-md);
        overflow: hidden;
        border: 1px solid var(--color-border);
        position: relative;
    }

    .detail-image-wrap img {
        width: 100%;
        height: auto;
        object-fit: cover;
    }

    .detail-image-wrap .image-overlay {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        padding: 16px;
        background: linear-gradient(transparent, rgba(13, 11, 9, 0.85));
    }

    .detail-image-wrap .overlay-text {
        font-size: 13px;
        color: var(--color-gold);
        letter-spacing: 1px;
    }

    .detail-content {
        flex: 1;
        min-width: 280px;
    }

    .detail-content h3 {
        font-size: 21px;
        font-weight: 600;
        color: var(--color-text);
        margin-bottom: 14px;
        letter-spacing: 0.5px;
    }

    .detail-content p {
        font-size: 15px;
        color: var(--color-text-muted);
        line-height: 1.85;
        margin-bottom: 12px;
    }

    .detail-points {
        list-style: none;
        margin: 0 0 16px;
        padding: 0;
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }

    .detail-points li {
        font-size: 14px;
        color: var(--color-text-muted);
        display: flex;
        align-items: center;
        gap: 6px;
        background: var(--color-bg-card);
        border: 1px solid var(--color-border-light);
        border-radius: 20px;
        padding: 5px 14px;
    }

    .detail-points li i {
        color: var(--color-gold);
        font-size: 12px;
    }

    /* ============ CTA 转化区 ============ */
    .cta-convert-section {
        padding: 60px 0 40px;
        position: relative;
        overflow: hidden;
    }

    .cta-convert-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, var(--color-purple-deep) 0%, var(--color-bg) 50%, var(--color-purple-deep) 100%);
        opacity: 0.5;
        pointer-events: none;
    }

    .cta-panel {
        background: var(--color-bg-card);
        border: 1px solid var(--color-border-strong);
        border-radius: var(--radius-lg);
        padding: 48px 40px;
        text-align: center;
        position: relative;
        z-index: 1;
        box-shadow: var(--shadow-md);
    }

    .cta-panel .cta-icon {
        font-size: 42px;
        color: var(--color-gold);
        margin-bottom: 16px;
    }

    .cta-panel h2 {
        font-size: 28px;
        font-weight: 700;
        color: var(--color-text);
        letter-spacing: 1px;
        margin-bottom: 12px;
    }

    .cta-panel p {
        font-size: 15px;
        color: var(--color-text-muted);
        max-width: 560px;
        margin: 0 auto 24px;
        line-height: 1.85;
    }

    .cta-buttons {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }

    /* ============ 按钮 ============ */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-size: 15px;
        font-weight: 600;
        letter-spacing: 1px;
        border-radius: var(--radius-xs);
        padding: 14px 28px;
        cursor: pointer;
        transition: all var(--transition-fast);
        border: none;
        text-decoration: none;
        min-height: 48px;
    }

    .btn-primary {
        background: var(--color-gold);
        color: #0D0B09;
    }

    .btn-primary:hover {
        background: var(--color-gold-light);
        color: #0D0B09;
        transform: translateY(-2px);
        box-shadow: var(--shadow-gold);
    }

    .btn-secondary {
        background: transparent;
        color: var(--color-gold);
        border: 1px solid var(--color-gold);
    }

    .btn-secondary:hover {
        background: rgba(198, 161, 91, 0.1);
        color: var(--color-gold-light);
        border-color: var(--color-gold-light);
        transform: translateY(-2px);
    }

    .btn-sm {
        padding: 10px 20px;
        min-height: 40px;
        font-size: 14px;
    }

    /* ============ 页脚 ============ */
    .site-footer {
        background: var(--color-bg-secondary);
        border-top: 1px solid var(--color-border-light);
        padding: 56px 0 28px;
        position: relative;
        z-index: 1;
        margin-top: 20px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1.2fr;
        gap: 40px;
        margin-bottom: 32px;
    }

    .footer-brand .footer-logo {
        font-size: 22px;
        font-weight: 700;
        color: var(--color-gold);
        letter-spacing: 1px;
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 12px;
    }

    .footer-brand .footer-logo i {
        font-size: 22px;
    }

    .footer-brand p {
        font-size: 14px;
        color: var(--color-text-dim);
        line-height: 1.8;
        margin: 0;
    }

    .footer-links h4,
    .footer-contact h4 {
        font-size: 16px;
        font-weight: 600;
        color: var(--color-text);
        margin-bottom: 14px;
        letter-spacing: 1px;
    }

    .footer-links ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .footer-links li {
        margin-bottom: 8px;
    }

    .footer-links a {
        color: var(--color-text-dim);
        font-size: 14px;
        transition: color var(--transition-fast);
    }

    .footer-links a:hover {
        color: var(--color-gold);
    }

    .footer-contact p {
        font-size: 14px;
        color: var(--color-text-dim);
        margin-bottom: 8px;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .footer-contact i {
        color: var(--color-gold);
        width: 16px;
    }

    .footer-bottom {
        border-top: 1px solid var(--color-border-light);
        padding-top: 20px;
        display: flex;
        flex-wrap: wrap;
        gap: 8px 20px;
        justify-content: space-between;
        font-size: 13px;
        color: var(--color-text-dim);
    }

    .footer-bottom p {
        margin: 0;
        font-size: 13px;
        color: var(--color-text-dim);
    }

    .footer-bottom a {
        color: var(--color-text-dim);
        font-size: 13px;
    }

    .footer-bottom a:hover {
        color: var(--color-gold);
    }

    .footer-separator {
        color: var(--color-border);
        margin: 0 8px;
    }

    /* ============ 响应式 ============ */
    @media (max-width: 1023px) {
        .session-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }

        .stats-strip-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .footer-brand {
            grid-column: 1 / -1;
        }

        .detail-image-wrap {
            flex: 0 0 100%;
            max-width: 100%;
        }

        .detail-grid {
            flex-direction: column;
        }

        .page-title-section h1 {
            font-size: 30px;
        }
    }

    @media (max-width: 767px) {
        .nav-toggle {
            display: flex;
        }

        .nav-links-desktop {
            display: none;
            position: absolute;
            top: 72px;
            left: 0;
            right: 0;
            background: var(--color-bg);
            flex-direction: column;
            align-items: flex-start;
            padding: 16px 24px 24px;
            border-bottom: 1px solid var(--color-border-light);
            z-index: 99;
        }

        .nav-links-desktop.open {
            display: flex;
        }

        .nav-links-desktop li {
            width: 100%;
        }

        .nav-links-desktop li+li::before {
            display: none;
        }

        .nav-links-desktop li+li {
            border-top: 1px solid var(--color-border-light);
        }

        .nav-links-desktop a {
            font-size: 17px;
            padding: 14px 0;
            display: block;
            width: 100%;
        }

        .nav-links-desktop a.active::after {
            bottom: 8px;
        }

        .page-title-section {
            padding: 36px 0 24px;
        }

        .page-title-section h1 {
            font-size: 26px;
            letter-spacing: -0.3px;
        }

        .page-title-section .page-subtitle {
            font-size: 14px;
        }

        .session-grid {
            grid-template-columns: 1fr;
            gap: 12px;
        }

        .session-card {
            min-height: auto;
            padding: 18px 16px 16px;
        }

        .session-card .card-title {
            font-size: 16px;
        }

        .stats-strip-grid {
            grid-template-columns: 1fr 1fr;
            gap: 8px;
        }

        .stats-strip-item .stat-number {
            font-size: 26px;
        }

        .marquee-item {
            font-size: 13px;
        }

        .cta-panel {
            padding: 32px 20px;
        }

        .cta-panel h2 {
            font-size: 22px;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .footer-bottom {
            flex-direction: column;
            gap: 6px;
            text-align: center;
        }

        .section-heading {
            flex-direction: column;
            align-items: flex-start;
        }

        .container {
            padding-left: 16px;
            padding-right: 16px;
        }

        .detail-content h3 {
            font-size: 18px;
        }
    }

    @media (max-width: 520px) {
        .stats-strip-grid {
            grid-template-columns: 1fr;
        }

        .stats-strip-item .stat-number {
            font-size: 24px;
        }

        .cta-buttons {
            flex-direction: column;
            width: 100%;
        }

        .cta-buttons .btn {
            width: 100%;
        }

        .breadcrumb-nav {
            font-size: 12px;
        }

        .session-card .card-icon {
            font-size: 24px;
        }
    }

/* roulang page: category4 */
:root {
            --color-bg: #0D0B09;
            --color-bg-secondary: #1A1512;
            --color-bg-card: #1E1815;
            --color-bg-elevated: #242019;
            --color-gold: #C6A15B;
            --color-gold-light: #D4B87A;
            --color-gold-dark: #A8863F;
            --color-purple: #2B1D3A;
            --color-purple-light: #3A2A4D;
            --color-purple-deep: #1F1429;
            --color-text: #F5EFE6;
            --color-text-muted: #A99E8F;
            --color-text-dim: #7A7063;
            --color-border: rgba(198, 161, 91, 0.35);
            --color-border-strong: rgba(198, 161, 91, 0.65);
            --color-border-light: rgba(198, 161, 91, 0.15);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
            --shadow-gold: 0 8px 20px rgba(198, 161, 91, 0.12);
            --shadow-gold-hover: 0 12px 32px rgba(198, 161, 91, 0.2);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --container-max: 1200px;
            --section-spacing: 80px;
            --section-spacing-mobile: 48px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

        html {
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
            margin: 0;
            padding: 0;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image:
                linear-gradient(rgba(198, 161, 91, 0.015) 1px, transparent 1px),
                linear-gradient(90deg, rgba(198, 161, 91, 0.015) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
            z-index: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--color-gold);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-gold-light);
        }

        a:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 3px;
            border-radius: 2px;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 15px;
            box-sizing: border-box;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 0.75em 0;
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-text);
        }

        p {
            margin: 0 0 1em 0;
        }

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            position: relative;
            z-index: 1;
        }

        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ============ 导航 ============ */
        .site-header {
            background: var(--color-bg);
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 0;
            min-height: 72px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            flex-wrap: nowrap;
        }

        .nav-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: 1px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-logo:hover {
            color: var(--color-gold-light);
        }

        .nav-logo .logo-icon {
            font-size: 24px;
            color: var(--color-gold);
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 0;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links-desktop li {
            display: flex;
            align-items: center;
            position: relative;
        }

        .nav-links-desktop li+li::before {
            content: '';
            width: 1px;
            height: 16px;
            background: var(--color-border-light);
            margin: 0 14px;
            flex-shrink: 0;
        }

        .nav-links-desktop a {
            color: var(--color-text-muted);
            font-size: 14px;
            letter-spacing: 1px;
            padding: 26px 0;
            display: inline-block;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links-desktop a:hover {
            color: var(--color-text);
        }

        .nav-links-desktop a.active {
            color: var(--color-gold);
        }

        .nav-links-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 16px;
            left: 0;
            right: 0;
            height: 1.5px;
            background: var(--color-gold);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            z-index: 110;
            border-radius: var(--radius-xs);
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 1.5px;
            background: var(--color-gold);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(4px, 4px);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(4px, -4px);
        }

        @media (max-width: 1023px) {
            .nav-links-desktop {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--color-bg);
                border-bottom: 1px solid var(--color-border-light);
                flex-direction: column;
                align-items: flex-start;
                padding: 20px 24px;
                gap: 0;
                z-index: 105;
                max-height: calc(100vh - 72px);
                overflow-y: auto;
                box-shadow: var(--shadow-md);
            }

            .nav-links-desktop.open {
                display: flex;
            }

            .nav-links-desktop li {
                width: 100%;
                display: block;
            }

            .nav-links-desktop li+li::before {
                display: none;
            }

            .nav-links-desktop li+li {
                border-top: 1px solid var(--color-border-light);
            }

            .nav-links-desktop a {
                display: block;
                padding: 14px 0;
                font-size: 18px;
                letter-spacing: 0.5px;
                color: var(--color-text);
            }

            .nav-links-desktop a.active {
                color: var(--color-gold);
            }

            .nav-links-desktop a.active::after {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }
        }

        @media (max-width: 520px) {
            .nav-logo {
                font-size: 18px;
            }

            .nav-logo .logo-icon {
                font-size: 20px;
            }

            .site-header {
                min-height: 64px;
            }

            .nav-links-desktop {
                top: 64px;
            }
        }

        /* ============ 面包屑 + 标题区 ============ */
        .page-header {
            padding: 48px 0 36px;
            border-bottom: 1px solid var(--color-border-light);
            background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-dim);
            margin-bottom: 24px;
        }

        .breadcrumb a {
            color: var(--color-text-dim);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-gold);
        }

        .breadcrumb .breadcrumb-sep {
            color: var(--color-border-strong);
            font-size: 10px;
        }

        .breadcrumb .breadcrumb-current {
            color: var(--color-gold);
            font-weight: 500;
        }

        .page-header h1 {
            font-size: 36px;
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 12px;
            font-weight: 700;
            color: var(--color-text);
        }

        .page-header .page-subtitle {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 720px;
            line-height: 1.9;
            margin-bottom: 0;
        }

        .page-header .header-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 16px;
            font-size: 13px;
            color: var(--color-text-dim);
        }

        .page-header .header-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .page-header .header-meta i {
            color: var(--color-gold);
            font-size: 12px;
        }

        @media (max-width: 767px) {
            .page-header {
                padding: 32px 0 24px;
            }

            .page-header h1 {
                font-size: 26px;
            }

            .page-header .page-subtitle {
                font-size: 14px;
            }
        }

        /* ============ 时间线区域 ============ */
        .timeline-section {
            padding: var(--section-spacing) 0;
            position: relative;
            z-index: 1;
        }

        .section-label {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--color-gold);
            border: 1px solid var(--color-border);
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
            background: rgba(198, 161, 91, 0.05);
        }

        .section-title {
            font-size: 28px;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            font-weight: 700;
            color: var(--color-text);
        }

        .section-desc {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.9;
            margin-bottom: 40px;
        }

        /* 时间线容器 */
        .timeline-wrapper {
            position: relative;
            padding: 20px 0;
        }

        .timeline-line {
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 1.5px;
            background: linear-gradient(180deg,
                    transparent 0%,
                    var(--color-border-strong) 8%,
                    var(--color-border-strong) 92%,
                    transparent 100%);
            transform: translateX(-50%);
            z-index: 0;
        }

        .timeline-item {
            position: relative;
            display: flex;
            align-items: flex-start;
            margin-bottom: 48px;
            z-index: 1;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-item .timeline-dot {
            position: absolute;
            left: 50%;
            top: 8px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--color-gold);
            transform: translateX(-50%);
            box-shadow: 0 0 16px rgba(198, 161, 91, 0.65), 0 0 32px rgba(198, 161, 91, 0.3), 0 0 6px rgba(198, 161, 91, 0.8);
            z-index: 2;
            border: 2px solid var(--color-bg);
            flex-shrink: 0;
        }

        .timeline-item .timeline-dot::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid rgba(198, 161, 91, 0.3);
            transform: translate(-50%, -50%);
            animation: dot-pulse 2.5s ease-in-out infinite;
        }

        @keyframes dot-pulse {
            0%,
            100% {
                transform: translate(-50%, -50%) scale(1);
                opacity: 0.6;
            }
            50% {
                transform: translate(-50%, -50%) scale(1.5);
                opacity: 0;
            }
        }

        .timeline-item .timeline-content {
            width: calc(50% - 40px);
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            cursor: default;
        }

        .timeline-item .timeline-content:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
        }

        .timeline-item.timeline-left .timeline-content {
            margin-right: auto;
            text-align: left;
        }

        .timeline-item.timeline-right .timeline-content {
            margin-left: auto;
            text-align: left;
        }

        .timeline-item .timeline-date {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 1px;
            color: var(--color-gold);
            background: rgba(198, 161, 91, 0.08);
            border: 1px solid var(--color-border-light);
            padding: 4px 12px;
            border-radius: 16px;
            margin-bottom: 10px;
            font-weight: 500;
        }

        .timeline-item .timeline-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .timeline-item .timeline-desc {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.85;
            margin-bottom: 12px;
        }

        .timeline-item .timeline-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .timeline-item .timeline-tags .tag {
            font-size: 11px;
            letter-spacing: 0.5px;
            color: var(--color-gold);
            border: 1px solid var(--color-border);
            padding: 3px 10px;
            border-radius: 12px;
            background: rgba(198, 161, 91, 0.04);
            transition: all var(--transition-fast);
        }

        .timeline-item .timeline-tags .tag:hover {
            background: rgba(198, 161, 91, 0.12);
            border-color: var(--color-border-strong);
        }

        @media (max-width: 767px) {
            .timeline-line {
                left: 20px;
                top: 0;
                bottom: 0;
            }

            .timeline-item {
                padding-left: 52px;
            }

            .timeline-item .timeline-dot {
                left: 20px;
                top: 8px;
                width: 14px;
                height: 14px;
            }

            .timeline-item .timeline-dot::after {
                width: 24px;
                height: 24px;
            }

            .timeline-item .timeline-content {
                width: 100%;
                margin-left: 0;
                margin-right: 0;
                padding: 18px 20px;
            }

            .timeline-item.timeline-left .timeline-content,
            .timeline-item.timeline-right .timeline-content {
                margin-left: 0;
                margin-right: 0;
                text-align: left;
            }

            .timeline-item {
                margin-bottom: 32px;
            }

            .timeline-item .timeline-title {
                font-size: 17px;
            }
        }

        /* ============ 品牌介绍区 ============ */
        .brand-intro-section {
            padding: var(--section-spacing) 0;
            background: var(--color-bg-secondary);
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
            position: relative;
            z-index: 1;
        }

        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .brand-intro-text h2 {
            font-size: 26px;
            margin-bottom: 16px;
            color: var(--color-text);
        }

        .brand-intro-text p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 2;
            margin-bottom: 16px;
        }

        .brand-intro-text p:last-child {
            margin-bottom: 0;
        }

        .brand-intro-text .highlight {
            color: var(--color-gold);
            font-weight: 600;
        }

        .brand-intro-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-md);
            min-height: 280px;
            background: var(--color-purple-deep);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .brand-intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 280px;
        }

        @media (max-width: 1023px) {
            .brand-intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .brand-intro-image {
                order: -1;
                min-height: 220px;
            }

            .brand-intro-image img {
                min-height: 220px;
            }
        }

        /* ============ 数据指标横条 ============ */
        .metrics-bar-section {
            padding: 48px 0;
            position: relative;
            z-index: 1;
            background: var(--color-bg);
        }

        .metrics-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-block {
            text-align: center;
            padding: 24px 16px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
        }

        .metric-block:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-gold);
        }

        .metric-block .metric-label {
            font-size: 12px;
            letter-spacing: 1px;
            color: var(--color-text-dim);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .metric-block .metric-value {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: -0.5px;
            text-shadow: 0 0 12px rgba(198, 161, 91, 0.35);
        }

        .metric-block .metric-suffix {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-gold-light);
            margin-left: 2px;
        }

        @media (max-width: 1023px) {
            .metrics-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }

        @media (max-width: 520px) {
            .metrics-bar {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .metric-block {
                padding: 16px;
            }

            .metric-block .metric-value {
                font-size: 28px;
            }
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: var(--section-spacing) 0;
            position: relative;
            z-index: 1;
        }

        .faq-wrapper {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-section .section-title,
        .faq-section .section-desc {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        .faq-section .section-title {
            margin-bottom: 12px;
        }

        .faq-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            background: var(--color-bg-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            gap: 16px;
            transition: all var(--transition-fast);
            font-family: var(--font-sans);
        }

        .faq-question:hover {
            color: var(--color-gold-light);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            color: var(--color-gold);
            font-size: 16px;
            transition: transform var(--transition-base);
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--color-border);
            border-radius: 50%;
            font-size: 12px;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: rgba(198, 161, 91, 0.1);
        }

        .faq-answer {
            display: none;
            padding: 0 22px 18px 22px;
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.9;
        }

        .faq-item.open .faq-answer {
            display: block;
            animation: faq-fade 0.25s ease;
        }

        @keyframes faq-fade {
            from {
                opacity: 0;
                transform: translateY(-6px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 767px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }

            .faq-answer {
                padding: 0 16px 14px 16px;
                font-size: 13px;
            }
        }

        /* ============ CTA 区域 ============ */
        .cta-section {
            padding: var(--section-spacing) 0;
            position: relative;
            z-index: 1;
            background: linear-gradient(135deg, var(--color-purple-deep) 0%, var(--color-bg-secondary) 50%, var(--color-bg) 100%);
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
        }

        .cta-card {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
            padding: 48px 40px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 10%;
            right: 10%;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--color-gold-light), transparent);
        }

        .cta-card h2 {
            font-size: 26px;
            margin-bottom: 12px;
            color: var(--color-text);
        }

        .cta-card p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.9;
            margin-bottom: 28px;
        }

        .cta-card .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            border-radius: var(--radius-xs);
            border: none;
            cursor: pointer;
            text-decoration: none;
            transition: all var(--transition-fast);
            min-height: 48px;
            font-family: var(--font-sans);
        }

        .btn-primary {
            background: var(--color-gold);
            color: var(--color-bg);
            box-shadow: 0 2px 8px rgba(198, 161, 91, 0.3);
        }

        .btn-primary:hover {
            background: var(--color-gold-light);
            color: var(--color-bg);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(198, 161, 91, 0.4);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(198, 161, 91, 0.3);
        }

        .btn-secondary {
            background: transparent;
            color: var(--color-gold);
            border: 1px solid var(--color-border-strong);
        }

        .btn-secondary:hover {
            background: rgba(198, 161, 91, 0.12);
            color: var(--color-gold-light);
            transform: translateY(-2px);
            border-color: var(--color-gold);
        }

        .btn-secondary:active {
            transform: translateY(0);
            background: rgba(198, 161, 91, 0.18);
        }

        @media (max-width: 767px) {
            .cta-card {
                padding: 32px 20px;
            }

            .cta-card h2 {
                font-size: 22px;
            }

            .btn {
                padding: 11px 22px;
                font-size: 14px;
                min-height: 44px;
                width: 100%;
            }

            .cta-card .cta-buttons {
                flex-direction: column;
                gap: 10px;
            }
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--color-bg);
            padding: 48px 0 28px;
            border-top: 1px solid var(--color-border-light);
            position: relative;
            z-index: 1;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.3fr;
            gap: 32px;
            padding-bottom: 28px;
            border-bottom: 1px solid var(--color-border-light);
        }

        .footer-brand .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand .footer-logo i {
            font-size: 20px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--color-text-dim);
            line-height: 1.9;
            margin-bottom: 0;
        }

        .footer-links h4,
        .footer-contact h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-links ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: 8px;
        }

        .footer-links a {
            font-size: 13px;
            color: var(--color-text-dim);
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--color-gold);
        }

        .footer-contact p {
            font-size: 13px;
            color: var(--color-text-dim);
            margin-bottom: 8px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.7;
        }

        .footer-contact p i {
            color: var(--color-gold);
            margin-top: 4px;
            font-size: 12px;
            flex-shrink: 0;
        }

        .footer-bottom {
            padding-top: 20px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 12px;
            color: var(--color-text-dim);
            margin-bottom: 6px;
            line-height: 1.8;
        }

        .footer-bottom a {
            font-size: 12px;
            color: var(--color-text-dim);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-gold);
        }

        .footer-separator {
            color: var(--color-border);
            margin: 0 4px;
        }

        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 767px) {
            .site-footer {
                padding: 36px 0 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
                padding-bottom: 20px;
            }

            .footer-brand {
                grid-column: auto;
            }
        }

        /* ============ 辅助类 ============ */
        .text-gold {
            color: var(--color-gold);
        }

        .text-muted {
            color: var(--color-text-muted);
        }

        .text-center {
            text-align: center;
        }

        .mt-0 {
            margin-top: 0;
        }

        .mb-0 {
            margin-bottom: 0;
        }

        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: category5 */
:root {
            --color-bg: #0D0B09;
            --color-bg-secondary: #1A1512;
            --color-bg-card: #1E1815;
            --color-bg-elevated: #242019;
            --color-gold: #C6A15B;
            --color-gold-light: #D4B87A;
            --color-gold-dark: #A8863F;
            --color-purple: #2B1D3A;
            --color-purple-light: #3A2A4D;
            --color-purple-deep: #1F1429;
            --color-text: #F5EFE6;
            --color-text-muted: #A99E8F;
            --color-text-dim: #7A7063;
            --color-border: rgba(198, 161, 91, 0.35);
            --color-border-strong: rgba(198, 161, 91, 0.65);
            --color-border-light: rgba(198, 161, 91, 0.15);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
            --shadow-gold: 0 8px 20px rgba(198, 161, 91, 0.12);
            --shadow-gold-hover: 0 12px 32px rgba(198, 161, 91, 0.2);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --container-max: 1200px;
            --section-spacing: 80px;
            --section-spacing-mobile: 48px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
            margin: 0;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image:
                linear-gradient(rgba(198, 161, 91, 0.015) 1px, transparent 1px),
                linear-gradient(90deg, rgba(198, 161, 91, 0.015) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
            z-index: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--color-gold);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-gold-light);
        }

        a:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 3px;
            border-radius: 2px;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 15px;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            position: relative;
            z-index: 1;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            background: var(--color-bg);
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 0;
            min-height: 72px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            flex-wrap: nowrap;
        }

        .nav-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: 1px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--color-gold-light);
        }

        .nav-logo .logo-icon {
            font-size: 24px;
            color: var(--color-gold);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 10px;
            z-index: 101;
            flex-direction: column;
            gap: 6px;
        }

        .nav-toggle span {
            display: block;
            width: 28px;
            height: 2px;
            background: var(--color-gold);
            transition: all var(--transition-base);
            transform-origin: center;
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 0;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links-desktop li {
            display: flex;
            align-items: center;
            position: relative;
        }

        .nav-links-desktop li+li::before {
            content: '';
            width: 1px;
            height: 16px;
            background: var(--color-border-light);
            margin: 0 14px;
            flex-shrink: 0;
        }

        .nav-links-desktop a {
            color: var(--color-text-muted);
            font-size: 14px;
            letter-spacing: 1px;
            padding: 26px 0;
            display: inline-block;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links-desktop a:hover {
            color: var(--color-text);
        }

        .nav-links-desktop a.active {
            color: var(--color-gold);
        }

        .nav-links-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 18px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--color-gold);
            border-radius: 1px;
        }

        .nav-links-mobile {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--color-bg);
            z-index: 99;
            padding: 100px 32px 40px;
            list-style: none;
            margin: 0;
            flex-direction: column;
            gap: 12px;
            overflow-y: auto;
        }

        .nav-links-mobile.open {
            display: flex;
        }

        .nav-links-mobile a {
            font-size: 22px;
            color: var(--color-text-muted);
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border-light);
            letter-spacing: 1px;
            transition: color var(--transition-fast);
        }

        .nav-links-mobile a:hover {
            color: var(--color-gold);
        }

        .nav-links-mobile a.active {
            color: var(--color-gold);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-section {
            padding: 24px 0 0;
            background: var(--color-bg);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-dim);
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
        }

        .breadcrumb li+li::before {
            content: '/';
            margin-right: 8px;
            color: var(--color-text-dim);
        }

        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-gold);
        }

        .breadcrumb .current {
            color: var(--color-gold);
            font-weight: 600;
        }

        /* ===== Page Title Section ===== */
        .page-title-section {
            padding: 32px 0 48px;
            background: var(--color-bg);
            border-bottom: 1px solid var(--color-border-light);
            position: relative;
        }

        .page-title-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 20% 50%, rgba(198, 161, 91, 0.06) 0%, transparent 65%);
            pointer-events: none;
        }

        .page-title-section .container {
            position: relative;
        }

        .page-title-badge {
            display: inline-block;
            padding: 4px 14px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--color-gold);
            border: 1px solid var(--color-border);
            border-radius: 100px;
            background: rgba(198, 161, 91, 0.08);
            margin-bottom: 16px;
        }

        .page-title-section h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin: 0 0 16px;
        }

        .page-title-section .page-subtitle {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 720px;
            line-height: 1.8;
            margin: 0;
        }

        /* ===== Main Content Area ===== */
        .mode-guide-main {
            padding: 56px 0 0;
            background: var(--color-bg);
        }

        .mode-guide-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 48px;
            align-items: start;
        }

        /* ===== Left Column - Long Form Content ===== */
        .guide-content {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            padding: 40px 36px;
            box-shadow: var(--shadow-sm);
        }

        .guide-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.5px;
            margin: 0 0 20px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--color-border-light);
            position: relative;
        }

        .guide-content h2::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 64px;
            height: 2px;
            background: var(--color-gold);
            border-radius: 1px;
        }

        .guide-content h2:not(:first-child) {
            margin-top: 44px;
        }

        .guide-content h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-gold-light);
            margin: 24px 0 12px;
            letter-spacing: 0.3px;
        }

        .guide-content p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.9;
            margin: 0 0 16px;
        }

        .guide-content ul,
        .guide-content ol {
            margin: 0 0 16px;
            padding-left: 20px;
            color: var(--color-text-muted);
        }

        .guide-content li {
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 8px;
        }

        .guide-content li strong {
            color: var(--color-gold-light);
            font-weight: 600;
        }

        .guide-content .highlight-box {
            background: var(--color-purple-deep);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            margin: 20px 0;
        }

        .guide-content .highlight-box p {
            margin: 0;
            color: var(--color-text);
            font-size: 14px;
        }

        .guide-content .highlight-box strong {
            color: var(--color-gold);
        }

        .guide-content .data-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin: 20px 0;
        }

        .guide-content .data-inline .mini-stat {
            flex: 1;
            min-width: 140px;
            background: var(--color-bg-elevated);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            padding: 16px 18px;
            text-align: center;
        }

        .guide-content .data-inline .mini-stat .num {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: -0.3px;
        }

        .guide-content .data-inline .mini-stat .label {
            font-size: 12px;
            color: var(--color-text-dim);
            margin-top: 4px;
            letter-spacing: 0.5px;
        }

        /* ===== Right Column - Sticky Sidebar ===== */
        .guide-sidebar {
            position: sticky;
            top: 96px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .sidebar-card {
            background: var(--color-purple-deep);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
        }

        .sidebar-card .sidebar-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-gold);
            margin: 0 0 16px;
            letter-spacing: 0.5px;
        }

        .sidebar-card .sidebar-stat-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border-light);
        }

        .sidebar-card .sidebar-stat-row:last-of-type {
            border-bottom: none;
        }

        .sidebar-card .sidebar-stat-row .stat-label {
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .sidebar-card .sidebar-stat-row .stat-value {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-gold);
        }

        .sidebar-card .sidebar-cta {
            display: block;
            width: 100%;
            margin-top: 20px;
            padding: 14px 20px;
            font-size: 15px;
            font-weight: 600;
            text-align: center;
            color: var(--color-bg);
            background: var(--color-gold);
            border: none;
            border-radius: var(--radius-xs);
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 1px;
        }

        .sidebar-card .sidebar-cta:hover {
            background: var(--color-gold-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold-hover);
            color: var(--color-bg);
        }

        .sidebar-card .sidebar-note {
            font-size: 12px;
            color: var(--color-text-dim);
            margin-top: 12px;
            text-align: center;
        }

        .sidebar-tip {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
        }

        .sidebar-tip p {
            font-size: 13px;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.7;
        }

        .sidebar-tip strong {
            color: var(--color-gold);
            font-weight: 600;
        }

        /* ===== Image Banner Section ===== */
        .banner-section {
            padding: 56px 0 0;
            background: var(--color-bg);
        }

        .banner-wrapper {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 320px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-md);
        }

        .banner-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        .banner-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(13, 11, 9, 0.85) 0%, rgba(43, 29, 58, 0.65) 50%, rgba(13, 11, 9, 0.4) 100%);
            display: flex;
            align-items: center;
            padding: 40px 48px;
        }

        .banner-overlay .banner-text {
            max-width: 560px;
        }

        .banner-overlay .banner-text h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 12px;
            letter-spacing: 0.5px;
        }

        .banner-overlay .banner-text p {
            font-size: 15px;
            color: var(--color-text-muted);
            margin: 0 0 20px;
            line-height: 1.8;
        }

        .banner-overlay .banner-text .btn-gold {
            display: inline-block;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-bg);
            background: var(--color-gold);
            border-radius: var(--radius-xs);
            transition: all var(--transition-fast);
            letter-spacing: 1px;
            border: none;
            cursor: pointer;
        }

        .banner-overlay .banner-text .btn-gold:hover {
            background: var(--color-gold-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold-hover);
            color: var(--color-bg);
        }

        /* ===== Related Cards Section ===== */
        .related-section {
            padding: 56px 0 32px;
            background: var(--color-bg);
        }

        .related-section .section-heading {
            text-align: center;
            margin-bottom: 32px;
        }

        .related-section .section-heading h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
            letter-spacing: 0.5px;
        }

        .related-section .section-heading p {
            font-size: 14px;
            color: var(--color-text-dim);
            margin: 0;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

        .related-card:hover {
            transform: translateY(-3px);
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-gold);
        }

        .related-card .card-image {
            height: 180px;
            overflow: hidden;
            background: var(--color-bg-secondary);
        }

        .related-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .related-card:hover .card-image img {
            transform: scale(1.05);
        }

        .related-card .card-body {
            padding: 20px 24px 24px;
        }

        .related-card .card-tag {
            display: inline-block;
            padding: 3px 12px;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--color-gold);
            border: 1px solid var(--color-border);
            border-radius: 100px;
            background: rgba(198, 161, 91, 0.06);
            margin-bottom: 10px;
        }

        .related-card .card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .related-card .card-desc {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0 0 16px;
        }

        .related-card .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-gold);
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .related-card .card-link:hover {
            color: var(--color-gold-light);
        }

        .related-card .card-link i {
            font-size: 12px;
            transition: transform var(--transition-fast);
        }

        .related-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            padding: 48px 0 32px;
            background: var(--color-bg);
        }

        .faq-section .section-heading {
            text-align: center;
            margin-bottom: 32px;
        }

        .faq-section .section-heading h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
            letter-spacing: 0.5px;
        }

        .faq-section .section-heading p {
            font-size: 14px;
            color: var(--color-text-dim);
            margin: 0;
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            letter-spacing: 0.3px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            gap: 16px;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-gold);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-gold);
            transition: transform var(--transition-base);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.8;
        }

        /* ===== Bottom CTA Section ===== */
        .bottom-cta-section {
            padding: 48px 0 64px;
            background: var(--color-bg);
        }

        .bottom-cta {
            background: var(--color-purple-deep);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }

        .bottom-cta::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 60%;
            height: 200%;
            background: radial-gradient(ellipse, rgba(198, 161, 91, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .bottom-cta h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 12px;
            letter-spacing: 0.5px;
            position: relative;
        }

        .bottom-cta p {
            font-size: 15px;
            color: var(--color-text-muted);
            margin: 0 auto 24px;
            max-width: 560px;
            line-height: 1.8;
            position: relative;
        }

        .bottom-cta .btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
        }

        .bottom-cta .btn-gold {
            display: inline-block;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-bg);
            background: var(--color-gold);
            border-radius: var(--radius-xs);
            transition: all var(--transition-fast);
            letter-spacing: 1px;
            border: none;
            cursor: pointer;
        }

        .bottom-cta .btn-gold:hover {
            background: var(--color-gold-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold-hover);
            color: var(--color-bg);
        }

        .bottom-cta .btn-outline {
            display: inline-block;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-gold);
            background: transparent;
            border: 1px solid var(--color-border-strong);
            border-radius: var(--radius-xs);
            transition: all var(--transition-fast);
            letter-spacing: 1px;
            cursor: pointer;
        }

        .bottom-cta .btn-outline:hover {
            background: rgba(198, 161, 91, 0.1);
            border-color: var(--color-gold);
            color: var(--color-gold-light);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-bg-secondary);
            border-top: 1px solid var(--color-border-light);
            padding: 48px 0 24px;
            position: relative;
            z-index: 1;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: 1px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand .footer-logo i {
            font-size: 22px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin: 0;
            max-width: 320px;
        }

        .footer-links h4,
        .footer-contact h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 16px;
            letter-spacing: 0.5px;
        }

        .footer-links ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links ul a {
            font-size: 13px;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .footer-links ul a:hover {
            color: var(--color-gold);
        }

        .footer-contact p {
            font-size: 13px;
            color: var(--color-text-muted);
            margin: 0 0 10px;
            line-height: 1.7;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact p i {
            color: var(--color-gold);
            width: 16px;
            text-align: center;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid var(--color-border-light);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 24px;
            align-items: center;
            justify-content: space-between;
        }

        .footer-bottom p {
            font-size: 12px;
            color: var(--color-text-dim);
            margin: 0;
        }

        .footer-bottom a {
            font-size: 12px;
            color: var(--color-text-dim);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-gold);
        }

        .footer-separator {
            color: var(--color-text-dim);
            margin: 0 6px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .mode-guide-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .guide-sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-links-desktop {
                display: none;
            }

            .site-header {
                min-height: 64px;
            }

            .nav-logo {
                font-size: 18px;
            }

            .nav-logo .logo-icon {
                font-size: 20px;
            }

            .page-title-section h1 {
                font-size: 26px;
            }

            .page-title-section .page-subtitle {
                font-size: 14px;
            }

            .guide-content {
                padding: 24px 20px;
            }

            .guide-content h2 {
                font-size: 20px;
            }

            .guide-content h3 {
                font-size: 16px;
            }

            .guide-content .data-inline {
                flex-direction: column;
            }

            .guide-content .data-inline .mini-stat {
                min-width: auto;
            }

            .guide-sidebar {
                grid-template-columns: 1fr;
            }

            .banner-overlay {
                padding: 24px 20px;
            }

            .banner-overlay .banner-text h2 {
                font-size: 22px;
            }

            .banner-wrapper,
            .banner-wrapper img {
                min-height: 260px;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .bottom-cta {
                padding: 36px 24px;
            }

            .bottom-cta h2 {
                font-size: 22px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .breadcrumb-section {
                padding-top: 16px;
            }

            .mode-guide-main {
                padding-top: 32px;
            }

            .banner-section {
                padding-top: 32px;
            }

            .related-section {
                padding-top: 32px;
            }

            .faq-section {
                padding-top: 32px;
            }

            .bottom-cta-section {
                padding-top: 32px;
                padding-bottom: 40px;
            }
        }

        @media (max-width: 520px) {
            .page-title-section h1 {
                font-size: 22px;
            }

            .guide-content {
                padding: 20px 16px;
            }

            .guide-content h2 {
                font-size: 18px;
            }

            .related-card .card-image {
                height: 150px;
            }

            .banner-overlay {
                padding: 20px 16px;
            }

            .banner-overlay .banner-text h2 {
                font-size: 18px;
            }

            .banner-wrapper,
            .banner-wrapper img {
                min-height: 220px;
            }

            .bottom-cta .btn-gold,
            .bottom-cta .btn-outline {
                padding: 12px 20px;
                font-size: 13px;
                width: 100%;
                text-align: center;
            }

            .bottom-cta .btn-group {
                flex-direction: column;
            }
        }

/* roulang page: category6 */
:root {
            --color-bg: #0D0B09;
            --color-bg-secondary: #1A1512;
            --color-bg-card: #1E1815;
            --color-bg-elevated: #242019;
            --color-gold: #C6A15B;
            --color-gold-light: #D4B87A;
            --color-gold-dark: #A8863F;
            --color-purple: #2B1D3A;
            --color-purple-light: #3A2A4D;
            --color-purple-deep: #1F1429;
            --color-text: #F5EFE6;
            --color-text-muted: #A99E8F;
            --color-text-dim: #7A7063;
            --color-border: rgba(198, 161, 91, 0.35);
            --color-border-strong: rgba(198, 161, 91, 0.65);
            --color-border-light: rgba(198, 161, 91, 0.15);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
            --shadow-gold: 0 8px 20px rgba(198, 161, 91, 0.12);
            --shadow-gold-hover: 0 12px 32px rgba(198, 161, 91, 0.2);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --container-max: 1200px;
            --section-spacing: 80px;
            --section-spacing-mobile: 48px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
            margin: 0;
            padding: 0;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image:
                linear-gradient(rgba(198, 161, 91, 0.015) 1px, transparent 1px),
                linear-gradient(90deg, rgba(198, 161, 91, 0.015) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
            z-index: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--color-gold);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-gold-light);
        }

        a:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 3px;
            border-radius: 2px;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 15px;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            position: relative;
            z-index: 1;
        }

        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ============ 导航 ============ */
        .site-header {
            background: rgba(13, 11, 9, 0.97);
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 0;
            min-height: 72px;
            display: flex;
            align-items: center;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            flex-wrap: nowrap;
        }

        .nav-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: 1px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--color-gold-light);
        }

        .nav-logo .logo-icon {
            font-size: 24px;
            color: var(--color-gold);
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 0;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links-desktop li {
            display: flex;
            align-items: center;
            position: relative;
        }

        .nav-links-desktop li+li::before {
            content: '';
            width: 1px;
            height: 16px;
            background: var(--color-border-light);
            margin: 0 12px;
            flex-shrink: 0;
        }

        .nav-links-desktop a {
            color: var(--color-text-muted);
            font-size: 13px;
            letter-spacing: 1px;
            padding: 26px 0;
            display: inline-block;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links-desktop a:hover {
            color: var(--color-text);
        }

        .nav-links-desktop a.active {
            color: var(--color-gold);
            font-weight: 600;
        }

        .nav-links-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 18px;
            left: 0;
            right: 0;
            height: 1.5px;
            background: var(--color-gold);
            border-radius: 2px;
            transition: all 0.25s ease;
        }

        .nav-links-desktop a:not(.active)::after {
            content: '';
            position: absolute;
            bottom: 18px;
            left: 50%;
            right: 50%;
            height: 1.5px;
            background: var(--color-gold);
            border-radius: 2px;
            transition: all 0.25s ease;
            opacity: 0;
        }

        .nav-links-desktop a:not(.active):hover::after {
            left: 0;
            right: 0;
            opacity: 1;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-direction: column;
            gap: 6px;
            align-items: flex-end;
            z-index: 110;
        }

        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--color-gold);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .nav-toggle span:nth-child(1) {
            width: 22px;
        }

        .nav-toggle span:nth-child(2) {
            width: 26px;
        }

        .nav-toggle span:nth-child(3) {
            width: 18px;
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            width: 26px;
            transform: translateY(8px) rotate(45deg);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            width: 26px;
            transform: translateY(-8px) rotate(-45deg);
        }

        @media (max-width: 1024px) {
            .nav-links-desktop {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .site-header .container {
                flex-wrap: wrap;
            }
            .nav-links-desktop.nav-open {
                display: flex;
                flex-direction: column;
                align-items: flex-start;
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(13, 11, 9, 0.98);
                padding: 24px 24px 32px;
                gap: 0;
                border-bottom: 1px solid var(--color-border);
                z-index: 99;
                max-height: calc(100vh - 72px);
                overflow-y: auto;
            }
            .nav-links-desktop.nav-open li {
                width: 100%;
                border-bottom: 1px solid var(--color-border-light);
            }
            .nav-links-desktop.nav-open li+li::before {
                display: none;
            }
            .nav-links-desktop.nav-open a {
                font-size: 18px;
                padding: 16px 0;
                display: block;
                width: 100%;
                letter-spacing: 0.5px;
            }
            .nav-links-desktop.nav-open a.active::after,
            .nav-links-desktop.nav-open a:not(.active)::after {
                display: none;
            }
        }

        @media (min-width: 1025px) {
            .nav-toggle {
                display: none;
            }
            .nav-links-desktop.nav-open {
                display: flex;
            }
        }

        /* ============ 面包屑 ============ */
        .breadcrumb-bar {
            background: var(--color-bg-secondary);
            border-bottom: 1px solid var(--color-border-light);
            padding: 14px 0;
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 4px;
            font-size: 13px;
            color: var(--color-text-dim);
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .breadcrumb li+li::before {
            content: '/';
            color: var(--color-text-dim);
            margin: 0 6px;
        }

        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-gold);
        }

        .breadcrumb li:last-child,
        .breadcrumb li:last-child a {
            color: var(--color-gold);
            font-weight: 500;
        }

        /* ============ 顶部标题区 ============ */
        .page-title-section {
            padding: 56px 0 36px;
            position: relative;
            background:
                radial-gradient(ellipse at 20% 0%, rgba(198, 161, 91, 0.06) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 100%, rgba(43, 29, 58, 0.25) 0%, transparent 50%);
        }

        .page-title-section h1 {
            font-size: 36px;
            font-weight: 700;
            letter-spacing: -0.5px;
            line-height: 1.25;
            color: var(--color-text);
            margin: 0 0 16px;
        }

        .page-title-section h1 .gold-highlight {
            color: var(--color-gold);
        }

        .page-title-section .page-subtitle {
            font-size: 17px;
            color: var(--color-text-muted);
            max-width: 720px;
            line-height: 1.9;
            margin: 0;
        }

        @media (max-width: 767px) {
            .page-title-section {
                padding: 36px 0 24px;
            }
            .page-title-section h1 {
                font-size: 28px;
            }
            .page-title-section .page-subtitle {
                font-size: 15px;
            }
        }

        /* ============ 对比表格区块 ============ */
        .compare-table-section {
            padding: 40px 0 72px;
            position: relative;
            z-index: 1;
        }

        .compare-table-wrapper {
            overflow-x: auto;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-md);
            background: var(--color-bg-card);
            -webkit-overflow-scrolling: touch;
        }

        .compare-table {
            width: 100%;
            min-width: 720px;
            border-collapse: collapse;
            border-spacing: 0;
            table-layout: fixed;
        }

        .compare-table thead th {
            background: linear-gradient(135deg, var(--color-gold-dark) 0%, var(--color-gold) 50%, var(--color-gold-light) 100%);
            color: #1A1512;
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.5px;
            padding: 18px 16px;
            text-align: center;
            border: none;
            white-space: nowrap;
        }

        .compare-table thead th:first-child {
            text-align: left;
            border-radius: var(--radius-xs) 0 0 0;
            width: 18%;
        }

        .compare-table thead th:last-child {
            border-radius: 0 var(--radius-xs) 0 0;
        }

        .compare-table tbody td {
            padding: 16px;
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
            color: var(--color-text);
            font-size: 14px;
            vertical-align: middle;
        }

        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }

        .compare-table tbody td:first-child {
            text-align: left;
            color: var(--color-text-muted);
            font-weight: 600;
            font-size: 13px;
            letter-spacing: 0.5px;
            background: rgba(198, 161, 91, 0.04);
        }

        .compare-table tbody tr:hover td {
            background: rgba(198, 161, 91, 0.05);
        }

        .compare-table .highlight-col {
            position: relative;
        }

        .compare-table .highlight-col::before {
            content: '推荐';
            position: absolute;
            top: -12px;
            right: 8px;
            font-size: 10px;
            color: var(--color-gold);
            background: var(--color-purple-deep);
            border: 1px solid var(--color-border);
            border-radius: 10px;
            padding: 2px 8px;
            letter-spacing: 1px;
            font-weight: 600;
        }

        .compare-table .col-emphasis {
            background: rgba(198, 161, 91, 0.08);
        }

        .compare-table .gold-value {
            color: var(--color-gold);
            font-weight: 700;
            font-size: 16px;
        }

        .compare-table .tag-mini {
            display: inline-block;
            font-size: 11px;
            color: var(--color-gold);
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 2px 10px;
            letter-spacing: 0.5px;
            background: rgba(198, 161, 91, 0.08);
        }

        @media (max-width: 767px) {
            .compare-table-section {
                padding: 24px 0 48px;
            }
            .compare-table {
                min-width: 620px;
            }
            .compare-table thead th,
            .compare-table tbody td {
                padding: 12px 10px;
                font-size: 12px;
            }
            .compare-table .gold-value {
                font-size: 14px;
            }
        }

        /* ============ 数据指标横条 ============ */
        .stats-bar-section {
            padding: 0 0 72px;
            position: relative;
            z-index: 1;
        }

        .stats-bar-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stats-bar-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-base);
        }

        .stats-bar-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }

        .stats-bar-item .stats-icon {
            font-size: 24px;
            color: var(--color-gold);
            margin-bottom: 10px;
        }

        .stats-bar-item .stats-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: -0.5px;
            line-height: 1.2;
            text-shadow: 0 0 24px rgba(198, 161, 91, 0.3);
        }

        .stats-bar-item .stats-label {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-top: 6px;
            letter-spacing: 0.5px;
        }

        @media (max-width: 1023px) {
            .stats-bar-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }

        @media (max-width: 520px) {
            .stats-bar-grid {
                grid-template-columns: 1fr;
            }
            .stats-bar-section {
                padding-bottom: 48px;
            }
        }

        /* ============ 模式详解区块 ============ */
        .mode-detail-section {
            padding: 0 0 72px;
            position: relative;
            z-index: 1;
        }

        .section-heading {
            margin-bottom: 36px;
        }

        .section-heading h2 {
            font-size: 26px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--color-text);
            margin: 0 0 10px;
            line-height: 1.35;
        }

        .section-heading h2 .gold-highlight {
            color: var(--color-gold);
        }

        .section-heading p {
            font-size: 15px;
            color: var(--color-text-muted);
            margin: 0;
            max-width: 640px;
            line-height: 1.8;
        }

        .mode-detail-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .mode-detail-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .mode-detail-card:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }

        .mode-detail-card .card-image {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 1px solid var(--color-border-light);
        }

        .mode-detail-card .card-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .mode-detail-card .card-tag-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }

        .mode-detail-card .mode-tag {
            font-size: 11px;
            color: var(--color-gold);
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 3px 12px;
            letter-spacing: 0.5px;
            background: rgba(198, 161, 91, 0.06);
            white-space: nowrap;
        }

        .mode-detail-card .mode-tag.hot {
            background: rgba(198, 161, 91, 0.15);
            border-color: var(--color-border-strong);
            color: var(--color-gold-light);
        }

        .mode-detail-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .mode-detail-card .mode-desc {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin: 0 0 16px;
            flex: 1;
        }

        .mode-detail-card .mode-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--color-border-light);
            padding-top: 14px;
        }

        .mode-detail-card .mode-meta span {
            font-size: 13px;
            color: var(--color-text-dim);
        }

        .mode-detail-card .mode-meta .meta-gold {
            color: var(--color-gold);
            font-weight: 600;
        }

        @media (max-width: 767px) {
            .mode-detail-grid {
                grid-template-columns: 1fr;
            }
            .mode-detail-section {
                padding-bottom: 48px;
            }
            .section-heading h2 {
                font-size: 22px;
            }
        }

        /* ============ 适用场景 ============ */
        .scenario-section {
            padding: 0 0 72px;
            position: relative;
            z-index: 1;
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .scenario-card {
            background: linear-gradient(160deg, var(--color-bg-card) 0%, var(--color-purple-deep) 100%);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            text-align: center;
            transition: all var(--transition-base);
        }

        .scenario-card:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-gold-hover);
            transform: translateY(-3px);
        }

        .scenario-card .scenario-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(198, 161, 91, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 20px;
            color: var(--color-gold);
            border: 1px solid var(--color-border);
        }

        .scenario-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 6px;
            letter-spacing: 0.5px;
        }

        .scenario-card p {
            font-size: 13px;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.7;
        }

        @media (max-width: 1023px) {
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .scenario-section {
                padding-bottom: 48px;
            }
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: 0 0 72px;
            position: relative;
            z-index: 1;
        }

        .faq-list {
            max-width: 820px;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-item.active {
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-gold);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            text-align: left;
            color: var(--color-text);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-gold);
        }

        .faq-question .faq-icon {
            width: 22px;
            height: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-gold);
            font-size: 14px;
            transition: transform var(--transition-base);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }

        .faq-item.active .faq-answer {
            max-height: 320px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin: 0;
            padding-top: 2px;
            border-top: 1px solid var(--color-border-light);
            padding-top: 12px;
        }

        @media (max-width: 767px) {
            .faq-section {
                padding-bottom: 48px;
            }
            .faq-question {
                font-size: 14px;
                padding: 16px 16px;
            }
            .faq-item.active .faq-answer {
                padding: 0 16px 14px;
            }
        }

        /* ============ 双CTA按钮 ============ */
        .dual-cta-section {
            padding: 0 0 80px;
            position: relative;
            z-index: 1;
        }

        .dual-cta-wrapper {
            background: linear-gradient(160deg, var(--color-bg-secondary) 0%, var(--color-purple-deep) 60%, var(--color-bg-secondary) 100%);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .dual-cta-wrapper::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(198, 161, 91, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .dual-cta-wrapper::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(43, 29, 58, 0.35) 0%, transparent 70%);
            pointer-events: none;
        }

        .dual-cta-wrapper h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 12px;
            letter-spacing: 0.5px;
            position: relative;
            z-index: 1;
        }

        .dual-cta-wrapper h2 .gold-highlight {
            color: var(--color-gold);
        }

        .dual-cta-wrapper p {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }

        .dual-cta-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 32px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            border-radius: var(--radius-xs);
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-gold);
            color: #1A1512;
        }

        .btn-primary:hover {
            background: var(--color-gold-light);
            color: #1A1512;
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold-hover);
        }

        .btn-secondary {
            background: transparent;
            color: var(--color-gold);
            border: 1px solid var(--color-gold);
        }

        .btn-secondary:hover {
            background: rgba(198, 161, 91, 0.1);
            color: var(--color-gold-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }

        @media (max-width: 767px) {
            .dual-cta-section {
                padding-bottom: 56px;
            }
            .dual-cta-wrapper {
                padding: 32px 20px;
                border-radius: var(--radius-md);
            }
            .dual-cta-wrapper h2 {
                font-size: 22px;
            }
            .dual-cta-buttons {
                flex-direction: column;
                width: 100%;
            }
            .btn {
                width: 100%;
                height: 44px;
                padding: 0 20px;
                font-size: 14px;
            }
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--color-bg-secondary);
            border-top: 1px solid var(--color-border-light);
            padding: 56px 0 28px;
            position: relative;
            z-index: 1;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.4fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }

        .footer-brand .footer-logo i {
            font-size: 24px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin: 0;
            max-width: 360px;
        }

        .footer-links h4,
        .footer-contact h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            letter-spacing: 0.5px;
            margin: 0 0 14px;
        }

        .footer-links ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: 8px;
        }

        .footer-links a {
            font-size: 13px;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--color-gold);
        }

        .footer-contact p {
            font-size: 13px;
            color: var(--color-text-muted);
            margin: 0 0 10px;
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1.6;
        }

        .footer-contact i {
            color: var(--color-gold);
            width: 16px;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid var(--color-border-light);
            padding-top: 20px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 12px;
            color: var(--color-text-dim);
            margin: 4px 0;
            line-height: 1.7;
        }

        .footer-bottom a {
            color: var(--color-text-dim);
            font-size: 12px;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-gold);
        }

        .footer-separator {
            color: var(--color-text-dim);
            margin: 0 8px;
        }

        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
            .footer-brand {
                grid-column: auto;
            }
        }

        /* ============ 通用动画 ============ */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
        }

        .fade-in-up.delay-1 {
            animation-delay: 0.1s;
        }
        .fade-in-up.delay-2 {
            animation-delay: 0.2s;
        }
        .fade-in-up.delay-3 {
            animation-delay: 0.3s;
        }
        .fade-in-up.delay-4 {
            animation-delay: 0.4s;
        }

        @media (prefers-reduced-motion: reduce) {
            .fade-in-up {
                animation: none;
                opacity: 1;
                transform: none;
            }
            *,
            *::before,
            *::after {
                transition-duration: 0.01ms !important;
            }
        }