/* roulang page: index */
:root {
            --color-primary: #1a2a3a;
            --color-primary-light: #243b53;
            --color-gold: #c8a96e;
            --color-gold-light: #dfc99a;
            --color-gold-dark: #a8884a;
            --color-bg: #f8f9fb;
            --color-bg-alt: #ffffff;
            --color-text: #1a1a2e;
            --color-text-light: #5a6b7d;
            --color-border: #e2e8f0;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 4px 20px rgba(0,0,0,0.06);
            --shadow-hover: 0 12px 40px rgba(0,0,0,0.10);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        a {
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .left-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 260px;
            height: 100vh;
            background: var(--color-primary);
            color: #fff;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease;
            overflow-y: auto;
        }
        .left-nav .logo-area {
            padding: 32px 24px 24px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .left-nav .logo-area .site-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: 1px;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .left-nav .logo-area .site-logo i {
            font-size: 26px;
            color: var(--color-gold-light);
        }
        .left-nav .nav-list {
            padding: 24px 16px;
            flex: 1;
        }
        .left-nav .nav-list a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            margin-bottom: 4px;
        }
        .left-nav .nav-list a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
        }
        .left-nav .nav-list a:hover,
        .left-nav .nav-list a.active {
            background: rgba(255,255,255,0.10);
            color: #fff;
        }
        .left-nav .nav-list a.active {
            color: var(--color-gold);
            background: rgba(200,169,110,0.12);
        }
        .left-nav .nav-footer {
            padding: 20px 24px;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 12px;
            color: rgba(255,255,255,0.4);
            text-align: center;
        }
        .main-content {
            margin-left: 260px;
            min-height: 100vh;
        }
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: var(--color-primary);
            z-index: 999;
            padding: 0 20px;
            align-items: center;
            justify-content: space-between;
        }
        .mobile-header .site-logo-mobile {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-gold);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mobile-header .menu-toggle {
            background: none;
            border: none;
            color: #fff;
            font-size: 24px;
            cursor: pointer;
            padding: 8px;
        }
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.6);
            z-index: 998;
        }
        .mobile-nav-overlay.open {
            display: block;
        }
        .mobile-nav-drawer {
            position: fixed;
            top: 0;
            left: -300px;
            width: 280px;
            height: 100vh;
            background: var(--color-primary);
            z-index: 1001;
            transition: left 0.3s ease;
            padding: 24px 20px;
            overflow-y: auto;
        }
        .mobile-nav-drawer.open {
            left: 0;
        }
        .mobile-nav-drawer .close-btn {
            background: none;
            border: none;
            color: #fff;
            font-size: 24px;
            cursor: pointer;
            margin-bottom: 24px;
        }
        .mobile-nav-drawer a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            font-size: 16px;
            font-weight: 500;
            margin-bottom: 4px;
        }
        .mobile-nav-drawer a:hover,
        .mobile-nav-drawer a.active {
            background: rgba(255,255,255,0.10);
            color: #fff;
        }
        .mobile-nav-drawer a.active {
            color: var(--color-gold);
        }

        .hero-section {
            position: relative;
            min-height: 80vh;
            display: flex;
            align-items: center;
            background: var(--color-navy);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.30;
            z-index: 1;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,25,35,0.92) 40%, rgba(15,25,35,0.70) 80%);
            z-index: 2;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            width: 100%;
            padding: 80px 24px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(200,169,110,0.15);
            border: 1px solid rgba(200,169,110,0.30);
            border-radius: 50px;
            color: var(--color-gold-light);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-bottom: 24px;
        }
        .hero-title {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.15;
            color: #fff;
            max-width: 800px;
            margin-bottom: 20px;
        }
        .hero-title .highlight {
            color: var(--color-gold);
        }
        .hero-sub {
            font-size: 18px;
            color: rgba(255,255,255,0.75);
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 36px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            background: var(--color-gold);
            color: #0f1923;
            font-weight: 600;
            border-radius: 50px;
            text-decoration: none;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            font-size: 15px;
        }
        .btn-gold:hover {
            background: var(--color-gold-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(200,169,110,0.30);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border: 2px solid rgba(255,255,255,0.30);
            color: #fff;
            font-weight: 500;
            border-radius: 50px;
            text-decoration: none;
            transition: var(--transition);
            background: transparent;
            font-size: 15px;
        }
        .btn-outline-light:hover {
            border-color: var(--color-gold);
            color: var(--color-gold);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid rgba(255,255,255,0.10);
        }
        .hero-stat-item {
            text-align: center;
        }
        .hero-stat-item .number {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-gold);
            line-height: 1.2;
        }
        .hero-stat-item .label {
            font-size: 13px;
            color: rgba(255,255,255,0.55);
            margin-top: 4px;
            letter-spacing: 0.5px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-light);
            max-width: 600px;
            line-height: 1.7;
        }
        .section-divider {
            width: 50px;
            height: 3px;
            background: var(--color-gold);
            border-radius: 4px;
            margin: 16px 0 24px;
        }

        .card-base {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--color-border);
            overflow: hidden;
        }
        .card-base:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .card-body {
            padding: 24px;
        }
        .card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-text {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
        }
        .badge-gold {
            display: inline-block;
            padding: 3px 12px;
            background: rgba(200,169,110,0.12);
            color: var(--color-gold-dark);
            font-size: 12px;
            font-weight: 600;
            border-radius: 50px;
            letter-spacing: 0.3px;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(200,169,110,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--color-gold-dark);
            margin-bottom: 16px;
        }

        .news-list .news-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .news-list .news-item:last-child {
            border-bottom: none;
        }
        .news-list .news-item:hover {
            padding-left: 8px;
        }
        .news-item .news-thumb {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: #e2e8f0;
        }
        .news-item .news-info {
            flex: 1;
        }
        .news-item .news-info h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-item .news-info h4 a {
            color: var(--color-text);
            text-decoration: none;
        }
        .news-item .news-info h4 a:hover {
            color: var(--color-gold-dark);
        }
        .news-item .news-info p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 8px;
            font-size: 12px;
            color: #8899aa;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 20px 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            gap: 16px;
        }
        .faq-question i {
            color: var(--color-gold-dark);
            transition: transform 0.3s ease;
            font-size: 18px;
            flex-shrink: 0;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.8;
        }
        .faq-answer.open {
            max-height: 300px;
            padding-top: 14px;
        }

        .cta-section {
            background: var(--color-primary);
            padding: 80px 0;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 17px;
            color: rgba(255,255,255,0.70);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .footer {
            background: var(--color-navy);
            color: rgba(255,255,255,0.65);
            padding: 48px 0 32px;
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-gold);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer p {
            font-size: 14px;
            line-height: 1.8;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
            margin: 20px 0 16px;
        }
        .footer-links a {
            color: rgba(255,255,255,0.55);
            text-decoration: none;
            font-size: 14px;
        }
        .footer-links a:hover {
            color: var(--color-gold);
        }
        .footer-divider {
            border: none;
            border-top: 1px solid rgba(255,255,255,0.08);
            margin: 20px 0;
        }
        .footer-copy {
            font-size: 13px;
            color: rgba(255,255,255,0.35);
        }

        @media (max-width: 1024px) {
            .left-nav {
                display: none;
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: 64px;
            }
            .hero-title {
                font-size: 36px;
            }
            .hero-section {
                min-height: 60vh;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .container-custom {
                padding: 0 20px;
            }
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 28px;
            }
            .hero-sub {
                font-size: 16px;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-stat-item .number {
                font-size: 26px;
            }
            .section-title {
                font-size: 26px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .news-item {
                flex-direction: column;
            }
            .news-item .news-thumb {
                width: 100%;
                height: 180px;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 24px;
            }
            .hero-content {
                padding: 40px 16px;
            }
            .hero-stats {
                flex-direction: column;
                gap: 16px;
                align-items: flex-start;
            }
            .hero-stat-item {
                text-align: left;
                display: flex;
                gap: 12px;
                align-items: baseline;
            }
            .container-custom {
                padding: 0 16px;
            }
            .section-title {
                font-size: 22px;
            }
            .btn-gold, .btn-outline-light {
                width: 100%;
                justify-content: center;
                padding: 12px 24px;
                font-size: 14px;
            }
        }

        .empty-state {
            padding: 40px 20px;
            text-align: center;
            color: var(--color-text-light);
            font-size: 15px;
            background: rgba(0,0,0,0.02);
            border-radius: var(--radius);
            border: 1px dashed var(--color-border);
        }

        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-item {
            padding: 5px 14px;
            background: rgba(200,169,110,0.08);
            border: 1px solid rgba(200,169,110,0.20);
            border-radius: 50px;
            font-size: 13px;
            color: var(--color-gold-dark);
            font-weight: 500;
            transition: var(--transition);
            cursor: default;
        }
        .tag-item:hover {
            background: rgba(200,169,110,0.16);
        }

        .img-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        @media (max-width: 768px) {
            .img-card-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .img-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

/* roulang page: article */
:root {
            --brand: #c8a96e;
            --brand-light: #dfc28a;
            --brand-dark: #a8874a;
            --bg-dark: #0f0f13;
            --bg-alt: #1a1a24;
            --bg-card: #22222e;
            --border-color: #2c2c3a;
            --text-primary: #f0ece4;
            --text-secondary: #a8a2a2;
            --text-muted: #6b6b7a;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
        }
        a {
            color: var(--brand);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--brand-light);
        }
        a:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* ===== 左侧导航 ===== */
        .left-nav {
            width: 240px;
            min-height: 100vh;
            background: var(--bg-alt);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            padding: 28px 20px 20px;
            position: fixed;
            top: 0;
            left: 0;
            z-index: 100;
            transition: var(--transition);
            overflow-y: auto;
        }
        .left-nav .logo-area {
            margin-bottom: 32px;
            padding-bottom: 20px;
            border-bottom: 1px solid rgba(200, 169, 110, 0.15);
        }
        .left-nav .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--brand);
            letter-spacing: 0.5px;
        }
        .left-nav .site-logo i {
            font-size: 22px;
            color: var(--brand);
        }
        .left-nav .site-logo:hover {
            color: var(--brand-light);
        }
        .left-nav .nav-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }
        .left-nav .nav-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }
        .left-nav .nav-list a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .left-nav .nav-list a:hover {
            background: rgba(200, 169, 110, 0.08);
            color: var(--text-primary);
        }
        .left-nav .nav-list a:hover i {
            color: var(--brand);
        }
        .left-nav .nav-list a.active {
            background: rgba(200, 169, 110, 0.12);
            color: var(--brand);
            font-weight: 600;
        }
        .left-nav .nav-list a.active i {
            color: var(--brand);
        }
        .left-nav .nav-list a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: var(--brand);
            border-radius: 0 4px 4px 0;
        }
        .left-nav .nav-footer {
            margin-top: 28px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ===== 主内容区 ===== */
        .main-content {
            margin-left: 240px;
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ===== 文章 Hero ===== */
        .article-hero {
            position: relative;
            padding: 48px 0 40px;
            background: linear-gradient(135deg, rgba(15, 15, 19, 0.96), rgba(26, 26, 36, 0.92)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            border-bottom: 1px solid var(--border-color);
        }
        .article-hero .breadcrumb {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
            margin-bottom: 20px;
        }
        .article-hero .breadcrumb a {
            color: var(--text-muted);
        }
        .article-hero .breadcrumb a:hover {
            color: var(--brand);
        }
        .article-hero .breadcrumb .sep {
            color: var(--text-muted);
            opacity: 0.4;
        }
        .article-hero h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 16px;
            max-width: 860px;
        }
        .article-hero .meta-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
            color: var(--text-secondary);
            align-items: center;
        }
        .article-hero .meta-bar i {
            color: var(--brand);
            margin-right: 6px;
            font-size: 13px;
        }
        .article-hero .meta-bar .tag {
            display: inline-block;
            background: rgba(200, 169, 110, 0.12);
            color: var(--brand);
            padding: 2px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
        }
        .article-hero .cover-wrap {
            margin-top: 24px;
            border-radius: var(--radius);
            overflow: hidden;
            max-height: 420px;
            box-shadow: var(--shadow-card);
        }
        .article-hero .cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== 文章正文 ===== */
        .article-body-section {
            padding: 48px 0 40px;
            background: var(--bg-dark);
        }
        .article-body-section .article-body {
            max-width: 860px;
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-secondary);
        }
        .article-body-section .article-body p {
            margin-bottom: 1.2em;
        }
        .article-body-section .article-body h2,
        .article-body-section .article-body h3 {
            color: var(--text-primary);
            margin-top: 1.6em;
            margin-bottom: 0.6em;
        }
        .article-body-section .article-body h2 {
            font-size: 24px;
            font-weight: 700;
        }
        .article-body-section .article-body h3 {
            font-size: 20px;
            font-weight: 600;
        }
        .article-body-section .article-body ul,
        .article-body-section .article-body ol {
            padding-left: 1.5em;
            margin-bottom: 1.2em;
        }
        .article-body-section .article-body li {
            margin-bottom: 0.4em;
        }
        .article-body-section .article-body img {
            border-radius: var(--radius-sm);
            margin: 24px 0;
            box-shadow: var(--shadow-card);
        }
        .article-body-section .article-body blockquote {
            border-left: 4px solid var(--brand);
            background: rgba(200, 169, 110, 0.06);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body-section .article-body a {
            color: var(--brand);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body-section .article-body a:hover {
            color: var(--brand-light);
        }

        /* ===== 文章底部标签/分享 ===== */
        .article-footer-bar {
            padding: 24px 0 32px;
            border-top: 1px solid var(--border-color);
            margin-top: 32px;
            max-width: 860px;
        }
        .article-footer-bar .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }
        .article-footer-bar .tags .tag-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-right: 8px;
        }
        .article-footer-bar .tags a {
            display: inline-block;
            padding: 4px 16px;
            background: rgba(200, 169, 110, 0.08);
            border: 1px solid rgba(200, 169, 110, 0.15);
            border-radius: 20px;
            font-size: 13px;
            color: var(--brand);
            transition: var(--transition);
        }
        .article-footer-bar .tags a:hover {
            background: rgba(200, 169, 110, 0.18);
            border-color: var(--brand);
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            padding: 48px 0;
            background: var(--bg-alt);
        }
        .related-section .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .related-section .section-title i {
            color: var(--brand);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .related-card:hover {
            transform: translateY(-4px);
            border-color: rgba(200, 169, 110, 0.25);
            box-shadow: var(--shadow-card);
        }
        .related-card .card-img {
            height: 180px;
            overflow: hidden;
        }
        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .related-card:hover .card-img img {
            transform: scale(1.04);
        }
        .related-card .card-body {
            padding: 18px 20px 20px;
        }
        .related-card .card-body h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body p {
            font-size: 13px;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body .card-meta {
            margin-top: 12px;
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            align-items: center;
        }
        .related-card .card-body .card-meta i {
            color: var(--brand);
            margin-right: 4px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 56px 0;
            background: linear-gradient(135deg, rgba(200, 169, 110, 0.08), rgba(200, 169, 110, 0.02)), var(--bg-dark);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .cta-section .cta-inner {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
        }
        .cta-section .cta-inner h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .cta-section .cta-inner p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 24px;
            max-width: 540px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            background: var(--brand);
            color: #0f0f13;
            font-weight: 700;
            font-size: 16px;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }
        .cta-section .cta-btn:hover {
            background: var(--brand-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 169, 110, 0.25);
            color: #0f0f13;
        }
        .cta-section .cta-btn:active {
            transform: translateY(0);
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 48px 0;
            background: var(--bg-alt);
        }
        .faq-section .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .faq-section .section-title i {
            color: var(--brand);
        }
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            max-width: 900px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 20px 22px;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(200, 169, 110, 0.2);
        }
        .faq-item .faq-q {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .faq-item .faq-q i {
            color: var(--brand);
            font-size: 14px;
            margin-top: 3px;
        }
        .faq-item .faq-a {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            padding-left: 24px;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-alt);
            padding: 48px 0 32px;
            border-top: 1px solid var(--border-color);
            margin-top: auto;
        }
        .footer .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: var(--brand);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer .footer-brand i {
            color: var(--brand);
        }
        .footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer .footer-links a {
            color: rgba(255, 255, 255, 0.45);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer .footer-links a:hover {
            color: var(--brand);
        }
        .footer .footer-divider {
            border: none;
            border-top: 1px solid var(--border-color);
            margin: 28px 0 20px;
        }
        .footer .footer-copy {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.25);
        }
        .footer .footer-copy a:hover {
            color: var(--brand);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .left-nav {
                width: 200px;
                padding: 24px 16px 16px;
            }
            .main-content {
                margin-left: 200px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-hero h1 {
                font-size: 28px;
            }
        }

        @media (max-width: 768px) {
            body {
                flex-direction: column;
            }
            .left-nav {
                position: relative;
                width: 100%;
                min-height: auto;
                flex-direction: row;
                flex-wrap: wrap;
                padding: 16px 20px;
                border-right: none;
                border-bottom: 1px solid var(--border-color);
                align-items: center;
                gap: 8px;
            }
            .left-nav .logo-area {
                margin-bottom: 0;
                padding-bottom: 0;
                border-bottom: none;
                flex: 1;
                min-width: 160px;
            }
            .left-nav .logo-area .site-logo {
                font-size: 18px;
            }
            .left-nav .logo-area div {
                display: none;
            }
            .left-nav .nav-list {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 4px;
                flex: none;
                width: auto;
            }
            .left-nav .nav-list a {
                padding: 8px 14px;
                font-size: 14px;
                gap: 8px;
            }
            .left-nav .nav-list a.active::before {
                display: none;
            }
            .left-nav .nav-footer {
                display: none;
            }
            .main-content {
                margin-left: 0;
            }
            .article-hero {
                padding: 32px 0 28px;
            }
            .article-hero h1 {
                font-size: 24px;
            }
            .article-hero .meta-bar {
                gap: 14px;
                font-size: 13px;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .article-body-section .article-body {
                font-size: 15px;
            }
            .cta-section .cta-inner h2 {
                font-size: 22px;
            }
            .footer>div>div:first-child {
                flex-direction: column !important;
                align-items: center !important;
                text-align: center;
            }
            .footer>div>div:first-child>div {
                text-align: center !important;
            }
            .footer .footer-links {
                align-items: center;
            }
            .footer .footer-copy {
                text-align: center;
                justify-content: center;
                flex-direction: column;
                align-items: center;
            }
        }

        @media (max-width: 520px) {
            .left-nav {
                padding: 12px 16px;
                gap: 6px;
            }
            .left-nav .logo-area .site-logo {
                font-size: 16px;
                gap: 6px;
            }
            .left-nav .logo-area .site-logo i {
                font-size: 18px;
            }
            .left-nav .nav-list a {
                padding: 6px 10px;
                font-size: 13px;
                gap: 6px;
            }
            .left-nav .nav-list a i {
                font-size: 14px;
                width: 16px;
            }
            .article-hero h1 {
                font-size: 20px;
            }
            .article-hero .meta-bar {
                flex-direction: column;
                gap: 8px;
                align-items: flex-start;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .article-body-section .article-body {
                font-size: 14px;
            }
            .cta-section .cta-btn {
                padding: 12px 28px;
                font-size: 15px;
                width: 100%;
                justify-content: center;
            }
            .container-custom {
                padding: 0 16px;
            }
            .faq-item {
                padding: 16px 18px;
            }
            .faq-item .faq-q {
                font-size: 14px;
            }
            .faq-item .faq-a {
                font-size: 13px;
                padding-left: 18px;
            }
        }

        /* ===== 内容未找到 ===== */
        .not-found-box {
            text-align: center;
            padding: 60px 24px;
            background: var(--bg-alt);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            max-width: 560px;
            margin: 40px auto;
        }
        .not-found-box i {
            font-size: 48px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .not-found-box h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .not-found-box p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }
        .not-found-box .back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--brand);
            color: #0f0f13;
            font-weight: 600;
            border-radius: 50px;
            transition: var(--transition);
        }
        .not-found-box .back-home:hover {
            background: var(--brand-light);
            transform: translateY(-2px);
            color: #0f0f13;
        }

/* roulang page: category1 */
:root {
            --primary-dark: #0b0b18;
            --primary-mid: #12122a;
            --primary-surface: #1a1a36;
            --accent-gold: #c8a96e;
            --accent-gold-light: #e0c98a;
            --accent-gold-dark: #a88b50;
            --text-white: #f1f1f1;
            --text-muted: rgba(255, 255, 255, 0.55);
            --text-dim: rgba(255, 255, 255, 0.3);
            --border-subtle: rgba(200, 169, 110, 0.15);
            --border-gold: rgba(200, 169, 110, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 40px rgba(200, 169, 110, 0.08);
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background: var(--primary-dark);
            color: var(--text-white);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            display: flex;
            min-height: 100vh;
            margin: 0;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: 1rem;
            border: none;
            outline: none;
        }

        button {
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        /* ===== 左侧导航 ===== */
        .left-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 240px;
            height: 100vh;
            background: linear-gradient(180deg, #0c0c1e 0%, #141430 100%);
            border-right: 1px solid var(--border-subtle);
            display: flex;
            flex-direction: column;
            padding: 0 0 20px 0;
            z-index: 1000;
            overflow-y: auto;
            backdrop-filter: blur(4px);
        }

        .left-nav::-webkit-scrollbar {
            width: 3px;
        }
        .left-nav::-webkit-scrollbar-track {
            background: transparent;
        }
        .left-nav::-webkit-scrollbar-thumb {
            background: var(--accent-gold-dark);
            border-radius: 6px;
        }

        .left-nav .logo-area {
            padding: 28px 20px 20px 20px;
            border-bottom: 1px solid var(--border-subtle);
            flex-shrink: 0;
        }

        .left-nav .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: 0.3px;
            transition: var(--transition-base);
        }
        .left-nav .site-logo i {
            font-size: 22px;
            color: var(--accent-gold-light);
        }
        .left-nav .site-logo:hover {
            color: var(--accent-gold-light);
        }

        .left-nav .nav-list {
            flex: 1;
            padding: 24px 12px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .left-nav .nav-list a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition-base);
            position: relative;
        }
        .left-nav .nav-list a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: rgba(255, 255, 255, 0.35);
            transition: var(--transition-base);
        }
        .left-nav .nav-list a:hover {
            background: rgba(200, 169, 110, 0.08);
            color: var(--text-white);
        }
        .left-nav .nav-list a:hover i {
            color: var(--accent-gold);
        }
        .left-nav .nav-list a.active {
            background: rgba(200, 169, 110, 0.12);
            color: var(--accent-gold);
            border: 1px solid rgba(200, 169, 110, 0.2);
        }
        .left-nav .nav-list a.active i {
            color: var(--accent-gold);
        }
        .left-nav .nav-list a.active::before {
            content: '';
            position: absolute;
            left: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 24px;
            background: var(--accent-gold);
            border-radius: 0 4px 4px 0;
        }

        .left-nav .nav-footer {
            padding: 16px 20px 8px;
            border-top: 1px solid var(--border-subtle);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.25);
            flex-shrink: 0;
            line-height: 1.6;
        }

        /* ===== 主内容区 ===== */
        .main-wrapper {
            margin-left: 240px;
            width: calc(100% - 240px);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .main-content {
            flex: 1;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 40px;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 76vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(135deg, #0a0a1a 0%, #12122e 40%, #1a1a3a 100%);
            overflow: hidden;
            padding: 80px 20px 60px;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.18;
            z-index: 0;
            filter: saturate(0.7) brightness(0.6);
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 30%, rgba(200, 169, 110, 0.06) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 10, 26, 0.3) 0%, rgba(10, 10, 26, 0.7) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 820px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(200, 169, 110, 0.12);
            border: 1px solid rgba(200, 169, 110, 0.2);
            border-radius: 50px;
            padding: 6px 20px;
            font-size: 13px;
            color: var(--accent-gold-light);
            letter-spacing: 0.4px;
            margin-bottom: 28px;
            backdrop-filter: blur(4px);
        }
        .hero-content h1 {
            font-size: clamp(2.4rem, 6vw, 4.2rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            color: var(--text-white);
            margin-bottom: 20px;
        }
        .hero-content h1 span {
            color: var(--accent-gold);
        }
        .hero-content p {
            font-size: clamp(1rem, 2vw, 1.2rem);
            color: rgba(255, 255, 255, 0.7);
            max-width: 680px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-dark) 100%);
            color: #0b0b18;
            font-weight: 700;
            font-size: 16px;
            padding: 14px 36px;
            border-radius: 50px;
            transition: var(--transition-base);
            border: none;
            box-shadow: 0 4px 20px rgba(200, 169, 110, 0.25);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(200, 169, 110, 0.35);
            background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 100%);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 12px rgba(200, 169, 110, 0.2);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-white);
            font-weight: 600;
            font-size: 16px;
            padding: 14px 36px;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: var(--transition-base);
            backdrop-filter: blur(4px);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: translateY(0);
        }

        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px 64px;
            margin-top: 48px;
            padding-top: 36px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .hero-stat-item {
            text-align: center;
        }
        .hero-stat-item .num {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.2;
        }
        .hero-stat-item .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            margin-top: 4px;
            letter-spacing: 0.3px;
        }

        /* ===== 通用板块 ===== */
        .section-block {
            padding: 80px 0;
        }
        .section-block-alt {
            background: var(--primary-mid);
        }
        .section-block-dark {
            background: var(--primary-dark);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
        }
        .section-label i {
            font-size: 14px;
        }
        .section-title {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            color: var(--text-white);
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 620px;
            line-height: 1.8;
        }
        .section-desc-wide {
            max-width: 780px;
        }

        /* ===== 功能卡片 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
            margin-top: 48px;
        }
        .feature-card {
            background: var(--primary-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-light));
            opacity: 0;
            transition: var(--transition-base);
        }
        .feature-card:hover {
            border-color: var(--border-gold);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card), var(--shadow-glow);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-card .icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(200, 169, 110, 0.08);
            border: 1px solid rgba(200, 169, 110, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent-gold);
            margin-bottom: 20px;
            transition: var(--transition-base);
        }
        .feature-card:hover .icon-wrap {
            background: rgba(200, 169, 110, 0.15);
            border-color: rgba(200, 169, 110, 0.25);
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-white);
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== 场景模块 ===== */
        .scenes-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 28px;
            margin-top: 48px;
        }
        .scene-card {
            background: var(--primary-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .scene-card:hover {
            border-color: var(--border-gold);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }
        .scene-card .scene-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .scene-card .scene-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .scene-card:hover .scene-img img {
            transform: scale(1.05);
        }
        .scene-card .scene-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(10, 10, 26, 0.6) 100%);
        }
        .scene-card .scene-body {
            padding: 24px 26px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .scene-card .scene-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-white);
        }
        .scene-card .scene-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }
        .scene-card .scene-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-gold);
            margin-top: 16px;
            letter-spacing: 0.3px;
        }

        /* ===== 流程步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            margin-top: 48px;
            counter-reset: step;
        }
        .step-item {
            text-align: center;
            position: relative;
            counter-increment: step;
        }
        .step-item::before {
            content: counter(step);
            display: block;
            width: 52px;
            height: 52px;
            margin: 0 auto 18px;
            border-radius: 50%;
            background: rgba(200, 169, 110, 0.08);
            border: 2px solid rgba(200, 169, 110, 0.2);
            color: var(--accent-gold);
            font-size: 22px;
            font-weight: 800;
            line-height: 48px;
            text-align: center;
            transition: var(--transition-base);
        }
        .step-item:hover::before {
            background: rgba(200, 169, 110, 0.18);
            border-color: var(--accent-gold);
            transform: scale(1.05);
        }
        .step-item h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 220px;
            margin: 0 auto;
        }
        .step-item:not(:last-child)::after {
            content: '→';
            position: absolute;
            right: -20px;
            top: 26px;
            font-size: 24px;
            color: rgba(200, 169, 110, 0.2);
            font-weight: 300;
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 28px;
            margin-top: 40px;
        }
        .stat-card {
            background: var(--primary-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 32px 20px;
            text-align: center;
            transition: var(--transition-base);
        }
        .stat-card:hover {
            border-color: var(--border-gold);
            transform: translateY(-3px);
            box-shadow: var(--shadow-glow);
        }
        .stat-card .stat-num {
            font-size: 38px;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.1;
            letter-spacing: -0.02em;
        }
        .stat-card .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 8px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            margin-top: 40px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }
        .faq-item {
            background: var(--primary-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(200, 169, 110, 0.15);
        }
        .faq-item summary {
            padding: 20px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-white);
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 14px;
            list-style: none;
            transition: var(--transition-base);
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::before {
            content: '\f059';
            font-family: 'Font Awesome 6 Free';
            font-weight: 400;
            font-size: 16px;
            color: var(--accent-gold);
            opacity: 0.6;
            flex-shrink: 0;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.2);
            margin-left: auto;
            transition: var(--transition-base);
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--accent-gold);
        }
        .faq-item summary:hover {
            background: rgba(200, 169, 110, 0.03);
        }
        .faq-item .faq-answer {
            padding: 0 28px 22px 58px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #0c0c1e 0%, #1a1a3a 100%);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            text-align: center;
            padding: 72px 20px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(200, 169, 110, 0.04) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section .container-custom {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: clamp(1.6rem, 3.6vw, 2.6rem);
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto 32px;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: #08081a;
            border-top: 1px solid var(--border-subtle);
            padding: 52px 0 28px;
            flex-shrink: 0;
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer-brand i {
            font-size: 20px;
            color: var(--accent-gold-light);
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.35);
            transition: var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--accent-gold);
        }
        .footer-divider {
            border: none;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            margin: 28px 0 18px;
        }
        .footer-copy {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.2);
        }
        .footer-copy a:hover {
            color: var(--accent-gold);
        }

        /* ===== 移动端导航切换 ===== */
        .mobile-nav-toggle {
            display: none;
            position: fixed;
            top: 16px;
            left: 16px;
            z-index: 1100;
            background: var(--primary-surface);
            border: 1px solid var(--border-subtle);
            border-radius: 10px;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            color: var(--text-white);
            font-size: 20px;
            backdrop-filter: blur(8px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
            transition: var(--transition-base);
        }
        .mobile-nav-toggle:hover {
            background: var(--primary-mid);
            border-color: var(--border-gold);
            color: var(--accent-gold);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .container-custom {
                padding: 0 28px;
            }
            .steps-grid .step-item:not(:last-child)::after {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .left-nav {
                transform: translateX(-100%);
                transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
                width: 260px;
                box-shadow: 4px 0 40px rgba(0, 0, 0, 0.6);
            }
            .left-nav.open {
                transform: translateX(0);
            }
            .mobile-nav-toggle {
                display: flex;
            }
            .main-wrapper {
                margin-left: 0;
                width: 100%;
            }
            .hero-section {
                min-height: 60vh;
                padding: 60px 16px 40px;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-stats-row {
                gap: 24px 40px;
            }
            .hero-stat-item .num {
                font-size: 22px;
            }
            .section-block {
                padding: 56px 0;
            }
            .features-grid {
                gap: 16px;
            }
            .feature-card {
                padding: 24px 20px;
            }
            .scenes-grid {
                gap: 20px;
            }
            .scene-card .scene-img {
                height: 160px;
            }
            .steps-grid {
                gap: 24px;
            }
            .step-item::before {
                width: 44px;
                height: 44px;
                line-height: 40px;
                font-size: 18px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-card .stat-num {
                font-size: 30px;
            }
            .faq-item summary {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-item .faq-answer {
                padding: 0 18px 18px 44px;
                font-size: 13px;
            }
            .cta-section {
                padding: 48px 16px;
            }
            .footer {
                padding: 36px 0 20px;
            }
            .footer .container-custom>div:first-child {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .footer .container-custom>div:first-child>div {
                text-align: center !important;
                min-width: unset !important;
            }
            .footer .container-custom>div:first-child p {
                max-width: 100% !important;
            }
            .footer-links {
                align-items: center !important;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                max-width: 300px;
                justify-content: center;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .hero-content h1 {
                font-size: 1.7rem;
            }
            .hero-content p {
                font-size: 0.95rem;
            }
            .hero-stats-row {
                gap: 16px 28px;
            }
            .hero-stat-item .num {
                font-size: 20px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .scenes-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .step-item p {
                max-width: 100%;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card {
                padding: 20px 12px;
            }
            .stat-card .stat-num {
                font-size: 26px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-desc {
                font-size: 0.95rem;
            }
            .left-nav {
                width: 240px;
            }
            .left-nav .logo-area {
                padding: 20px 16px 16px;
            }
            .left-nav .site-logo {
                font-size: 17px;
            }
            .faq-item summary {
                padding: 14px 14px;
                font-size: 14px;
            }
            .faq-item .faq-answer {
                padding: 0 14px 16px 38px;
                font-size: 13px;
            }
            .btn-primary,
            .btn-secondary {
                font-size: 14px;
                padding: 12px 24px;
            }
        }

        /* ===== 辅助 ===== */
        .text-gold {
            color: var(--accent-gold);
        }
        .text-gold-light {
            color: var(--accent-gold-light);
        }
        .bg-surface {
            background: var(--primary-surface);
        }
        .border-subtle {
            border-color: var(--border-subtle);
        }
        .gap-section {
            gap: 80px;
        }
        @media (max-width: 768px) {
            .gap-section {
                gap: 48px;
            }
        }

        .back-to-top {
            position: fixed;
            bottom: 28px;
            right: 28px;
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: var(--primary-surface);
            border: 1px solid var(--border-subtle);
            color: var(--text-muted);
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 900;
            transition: var(--transition-base);
            backdrop-filter: blur(8px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
        }
        .back-to-top:hover {
            background: var(--accent-gold);
            color: #0b0b18;
            border-color: var(--accent-gold);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .back-to-top {
                bottom: 16px;
                right: 16px;
                width: 40px;
                height: 40px;
                font-size: 16px;
            }
        }