/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0b0e1a;
            --primary-light: #141829;
            --accent-gold: #c9a04e;
            --accent-gold-light: #e8c46a;
            --accent-orange: #e87a3e;
            --text-white: #f5f5f7;
            --text-light: #b0b3c0;
            --text-muted: #6b6f80;
            --card-bg: rgba(255, 255, 255, 0.04);
            --card-border: rgba(255, 255, 255, 0.08);
            --glass-bg: rgba(11, 14, 26, 0.82);
            --glass-border: rgba(255, 255, 255, 0.10);
            --shadow-sm: 0 4px 24px rgba(0, 0, 0, 0.30);
            --shadow-md: 0 12px 48px rgba(0, 0, 0, 0.40);
            --shadow-lg: 0 24px 72px rgba(0, 0, 0, 0.50);
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 32px;
            --radius-xl: 40px;
            --transition: all 0.30s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        /* ===== 基础 Reset ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            background: var(--primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: 1rem; outline: none; border: none; background: none; color: inherit; }
        button { cursor: pointer; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; }

        /* ===== 通用容器 ===== */
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        @media (max-width: 640px) { .container { padding: 0 16px; } }

        /* ===== 板块间距 ===== */
        .section-padding { padding: 100px 0; }
        @media (max-width: 768px) { .section-padding { padding: 64px 0; } }
        @media (max-width: 520px) { .section-padding { padding: 48px 0; } }

        /* ===== 浮动 Dock 导航 ===== */
        .nav-dock {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: 92%;
            max-width: 1100px;
            background: var(--glass-bg);
            backdrop-filter: blur(20px) saturate(1.6);
            -webkit-backdrop-filter: blur(20px) saturate(1.6);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 8px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: var(--transition);
        }
        .nav-dock.scrolled {
            background: rgba(11, 14, 26, 0.94);
            box-shadow: var(--shadow-md);
            border-color: rgba(255, 255, 255, 0.13);
        }
        .nav-logo { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.02em; color: var(--text-white); display: flex; align-items: center; gap: 10px; }
        .nav-logo .logo-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent-gold); display: inline-block; box-shadow: 0 0 16px rgba(201, 160, 78, 0.4); }
        .nav-logo span { background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .nav-links { display: flex; align-items: center; gap: 6px; }
        .nav-links a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover { color: var(--text-white); background: rgba(255,255,255,0.06); }
        .nav-links a.active {
            color: var(--accent-gold);
            background: rgba(201, 160, 78, 0.10);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 4px;
            background: var(--accent-gold);
        }
        .nav-cta {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-orange));
            color: #0b0e1a !important;
            padding: 8px 24px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.90rem;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(201, 160, 78, 0.25);
        }
        .nav-cta:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 8px 32px rgba(201, 160, 78, 0.35); }
        .nav-hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; background: rgba(255,255,255,0.05); border-radius: 8px; border: 1px solid rgba(255,255,255,0.06); width: 40px; height: 40px; align-items: center; justify-content: center; }
        .nav-hamburger span { display: block; width: 22px; height: 2px; background: var(--text-white); border-radius: 4px; transition: var(--transition); }
        .nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
        .nav-hamburger.open span:nth-child(2) { opacity: 0; }
        .nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

        /* 移动端菜单面板 */
        .nav-mobile-panel {
            display: none;
            position: fixed;
            top: 80px;
            left: 4%;
            right: 4%;
            z-index: 999;
            background: rgba(11, 14, 26, 0.96);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            box-shadow: var(--shadow-lg);
            flex-direction: column;
            gap: 6px;
            max-height: 70vh;
            overflow-y: auto;
        }
        .nav-mobile-panel.show { display: flex; }
        .nav-mobile-panel a {
            padding: 14px 20px;
            border-radius: var(--radius-sm);
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
        }
        .nav-mobile-panel a:hover { background: rgba(255,255,255,0.06); color: var(--text-white); }
        .nav-mobile-panel a.active { color: var(--accent-gold); background: rgba(201, 160, 78, 0.10); }
        .nav-mobile-panel .nav-cta-mobile {
            margin-top: 10px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-orange));
            color: #0b0e1a;
            font-weight: 700;
            text-align: center;
            padding: 14px 20px;
            border-radius: var(--radius-sm);
        }

        @media (max-width: 768px) {
            .nav-dock { padding: 6px 16px; top: 12px; width: 94%; border-radius: var(--radius-md); }
            .nav-links { display: none; }
            .nav-cta { display: none; }
            .nav-hamburger { display: flex; }
            .nav-logo { font-size: 1.15rem; }
        }
        @media (min-width: 769px) {
            .nav-mobile-panel { display: none !important; }
        }

        /* ===== Hero 首屏 ===== */
        .hero-section {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding-top: 100px;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(11,14,26,0.88) 30%, rgba(11,14,26,0.50) 70%, rgba(11,14,26,0.20) 100%);
            z-index: 1;
        }
        .hero-glow {
            position: absolute;
            top: 15%;
            right: -10%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201,160,78,0.12) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
        }
        .hero-content { position: relative; z-index: 2; text-align: center; max-width: 880px; padding: 0 24px; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.10);
            border-radius: 100px;
            padding: 6px 18px 6px 10px;
            font-size: 0.82rem;
            color: var(--text-light);
            margin-bottom: 32px;
            backdrop-filter: blur(4px);
        }
        .hero-badge i { color: var(--accent-gold); font-size: 0.70rem; }
        .hero-title {
            font-size: clamp(2.6rem, 7vw, 4.8rem);
            font-weight: 900;
            line-height: 1.10;
            letter-spacing: -0.03em;
            margin-bottom: 24px;
        }
        .hero-title .highlight { background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light), var(--accent-orange)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .hero-sub {
            font-size: clamp(1.05rem, 2.2vw, 1.35rem);
            color: var(--text-light);
            max-width: 640px;
            margin: 0 auto 40px;
            line-height: 1.7;
        }
        .hero-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 16px; }
        .hero-actions .btn-primary {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-orange));
            color: #0b0e1a;
            font-weight: 700;
            padding: 16px 40px;
            border-radius: var(--radius-sm);
            font-size: 1.05rem;
            transition: var(--transition);
            box-shadow: 0 8px 32px rgba(201,160,78,0.30);
        }
        .hero-actions .btn-primary:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 12px 48px rgba(201,160,78,0.45); }
        .hero-actions .btn-outline {
            border: 1px solid rgba(255,255,255,0.18);
            color: var(--text-white);
            padding: 16px 36px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1.00rem;
            transition: var(--transition);
            backdrop-filter: blur(4px);
            background: rgba(255,255,255,0.04);
        }
        .hero-actions .btn-outline:hover { background: rgba(255,255,255,0.10); border-color: rgba(255,255,255,0.30); transform: translateY(-2px); }
        .hero-stats-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 40px 60px; margin-top: 60px; }
        .hero-stat-item { text-align: center; }
        .hero-stat-item .num { font-size: 2.0rem; font-weight: 800; color: var(--accent-gold); }
        .hero-stat-item .label { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }

        @media (max-width: 640px) {
            .hero-section { min-height: 92vh; padding-top: 80px; }
            .hero-title { font-size: clamp(2.0rem, 10vw, 2.8rem); }
            .hero-sub { font-size: 0.95rem; }
            .hero-actions .btn-primary, .hero-actions .btn-outline { padding: 14px 28px; font-size: 0.92rem; width: 100%; text-align: center; }
            .hero-stats-row { gap: 24px 32px; margin-top: 40px; }
            .hero-stat-item .num { font-size: 1.5rem; }
        }

        /* ===== 通用标题 ===== */
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.80rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-gold);
            background: rgba(201,160,78,0.10);
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 16px;
            border: 1px solid rgba(201,160,78,0.15);
        }
        .section-title {
            font-size: clamp(2.0rem, 4.5vw, 3.0rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.15;
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 1.10rem;
            color: var(--text-light);
            max-width: 600px;
            line-height: 1.7;
        }
        .section-desc.center { margin-left: auto; margin-right: auto; text-align: center; }
        .section-title.center { text-align: center; }
        .section-label.center { margin-left: auto; margin-right: auto; }

        /* ===== 卡片通用 ===== */
        .card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 32px;
            transition: var(--transition);
            backdrop-filter: blur(6px);
        }
        .card:hover { border-color: rgba(255,255,255,0.14); box-shadow: var(--shadow-sm); transform: translateY(-4px); }
        .card-img { border-radius: var(--radius-sm); overflow: hidden; margin-bottom: 20px; }
        .card-img img { width: 100%; height: 200px; object-fit: cover; transition: var(--transition); }
        .card:hover .card-img img { transform: scale(1.04); }
        .card h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; }
        .card p { color: var(--text-light); font-size: 0.95rem; line-height: 1.6; }

        /* ===== 分类卡片网格 ===== */
        .category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        @media (max-width: 900px) { .category-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 560px) { .category-grid { grid-template-columns: 1fr; } }

        /* ===== 内容列表 ===== */
        .content-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
        @media (max-width: 768px) { .content-list { grid-template-columns: 1fr; } }
        .content-item {
            display: flex;
            gap: 20px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: var(--transition);
            align-items: flex-start;
        }
        .content-item:hover { border-color: rgba(255,255,255,0.14); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
        .content-item .thumb { width: 100px; min-width: 100px; height: 80px; border-radius: var(--radius-sm); overflow: hidden; }
        .content-item .thumb img { width: 100%; height: 100%; object-fit: cover; }
        .content-item .info { flex: 1; min-width: 0; }
        .content-item .info h4 { font-size: 1.0rem; font-weight: 600; margin-bottom: 4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .content-item .info h4 a { color: var(--text-white); }
        .content-item .info h4 a:hover { color: var(--accent-gold); }
        .content-item .info .meta { font-size: 0.80rem; color: var(--text-muted); display: flex; gap: 12px; flex-wrap: wrap; margin-top: 6px; }
        .content-item .info .meta .tag { background: rgba(201,160,78,0.10); color: var(--accent-gold); padding: 2px 10px; border-radius: 100px; font-size: 0.72rem; }
        .content-item .info .desc { font-size: 0.88rem; color: var(--text-light); margin-top: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        @media (max-width: 520px) {
            .content-item { flex-direction: column; }
            .content-item .thumb { width: 100%; min-width: unset; height: 140px; }
        }

        /* ===== 流程步骤 ===== */
        .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        @media (max-width: 900px) { .steps-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 520px) { .steps-grid { grid-template-columns: 1fr; } }
        .step-card { text-align: center; padding: 32px 20px; background: var(--card-bg); border: 1px solid var(--card-border); border-radius: var(--radius-md); transition: var(--transition); position: relative; }
        .step-card:hover { border-color: rgba(255,255,255,0.14); box-shadow: var(--shadow-sm); transform: translateY(-4px); }
        .step-number {
            width: 56px; height: 56px; border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-orange));
            color: #0b0e1a;
            font-size: 1.4rem;
            font-weight: 800;
            display: flex; align-items: center; justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 8px 24px rgba(201,160,78,0.25);
        }
        .step-card h4 { font-size: 1.10rem; font-weight: 700; margin-bottom: 8px; }
        .step-card p { font-size: 0.90rem; color: var(--text-light); line-height: 1.6; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(255,255,255,0.12); }
        .faq-question {
            padding: 20px 28px;
            font-size: 1.02rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            transition: var(--transition);
            user-select: none;
        }
        .faq-question i { color: var(--accent-gold); transition: var(--transition); font-size: 0.85rem; }
        .faq-question.open i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 28px 20px;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.show { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(201,160,78,0.06), rgba(232,122,62,0.04));
            border-top: 1px solid rgba(201,160,78,0.10);
            border-bottom: 1px solid rgba(201,160,78,0.10);
        }
        .cta-box {
            background: linear-gradient(145deg, rgba(201,160,78,0.08), rgba(232,122,62,0.04));
            border: 1px solid rgba(201,160,78,0.12);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            backdrop-filter: blur(8px);
        }
        .cta-box h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 800; margin-bottom: 12px; }
        .cta-box p { color: var(--text-light); font-size: 1.05rem; margin-bottom: 28px; max-width: 540px; margin-left: auto; margin-right: auto; }
        .cta-box .btn-cta {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-orange));
            color: #0b0e1a;
            font-weight: 700;
            padding: 16px 48px;
            border-radius: var(--radius-sm);
            font-size: 1.10rem;
            transition: var(--transition);
            box-shadow: 0 8px 32px rgba(201,160,78,0.30);
            display: inline-block;
        }
        .cta-box .btn-cta:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 12px 48px rgba(201,160,78,0.45); }
        @media (max-width: 640px) {
            .cta-box { padding: 40px 24px; }
            .cta-box .btn-cta { width: 100%; text-align: center; }
        }

        /* ===== 页脚 ===== */
        .footer {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding: 48px 0 32px;
            background: rgba(0,0,0,0.20);
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
        @media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
        @media (max-width: 540px) { .footer-grid { grid-template-columns: 1fr; gap: 24px; } }
        .footer-brand .nav-logo { margin-bottom: 12px; }
        .footer-brand p { font-size: 0.88rem; color: var(--text-muted); max-width: 320px; line-height: 1.7; }
        .footer-col h5 { font-size: 0.90rem; font-weight: 700; color: var(--text-white); margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.04em; }
        .footer-col a { display: block; font-size: 0.88rem; color: var(--text-muted); padding: 4px 0; }
        .footer-col a:hover { color: var(--accent-gold); }
        .footer-bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.05); display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; font-size: 0.82rem; color: var(--text-muted); }
        .footer-bottom a { color: var(--text-muted); }
        .footer-bottom a:hover { color: var(--accent-gold); }

        /* ===== 数据区块 ===== */
        .data-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        @media (max-width: 900px) { .data-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 520px) { .data-grid { grid-template-columns: 1fr; } }
        .data-card {
            text-align: center;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 36px 24px;
            transition: var(--transition);
        }
        .data-card:hover { border-color: rgba(255,255,255,0.14); box-shadow: var(--shadow-sm); transform: translateY(-4px); }
        .data-card .icon { font-size: 2.2rem; color: var(--accent-gold); margin-bottom: 12px; }
        .data-card .num { font-size: 2.4rem; font-weight: 800; color: var(--text-white); }
        .data-card .label { font-size: 0.90rem; color: var(--text-muted); margin-top: 4px; }

        /* ===== 关于区块 ===== */
        .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
        @media (max-width: 768px) { .about-grid { grid-template-columns: 1fr; gap: 32px; } }
        .about-image { border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-md); }
        .about-image img { width: 100%; height: 400px; object-fit: cover; }
        @media (max-width: 640px) { .about-image img { height: 240px; } }
        .about-text h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 800; margin-bottom: 16px; }
        .about-text p { color: var(--text-light); font-size: 1.0rem; line-height: 1.8; margin-bottom: 16px; }
        .about-text .feature-list { display: flex; flex-direction: column; gap: 10px; margin-top: 20px; }
        .about-text .feature-list li { display: flex; align-items: center; gap: 12px; font-size: 0.95rem; color: var(--text-light); }
        .about-text .feature-list li i { color: var(--accent-gold); font-size: 0.85rem; width: 20px; text-align: center; }

        /* ===== 空状态 ===== */
        .empty-state { text-align: center; padding: 40px 20px; color: var(--text-muted); font-size: 1.0rem; }
        .empty-state i { font-size: 2.4rem; margin-bottom: 12px; display: block; color: var(--accent-gold); opacity: 0.4; }

        /* ===== 工具类 ===== */
        .text-gold { color: var(--accent-gold); }
        .bg-gold-soft { background: rgba(201,160,78,0.06); }
        .border-gold-soft { border-color: rgba(201,160,78,0.12); }
        .gap-section { height: 2px; background: linear-gradient(90deg, transparent, rgba(201,160,78,0.15), transparent); margin: 0 auto; max-width: 600px; }
        .fade-in { opacity: 0; transform: translateY(20px); animation: fadeInUp 0.7s ease forwards; }
        @keyframes fadeInUp { to { opacity: 1; transform: translateY(0); } }
        .delay-1 { animation-delay: 0.10s; }
        .delay-2 { animation-delay: 0.20s; }
        .delay-3 { animation-delay: 0.30s; }
        .delay-4 { animation-delay: 0.40s; }

        /* ===== 滚动条美化 ===== */
        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: var(--primary); }
        ::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.10); border-radius: 10px; }
        ::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.18); }

        /* ===== 选中颜色 ===== */
        ::selection { background: rgba(201,160,78,0.25); color: var(--text-white); }

/* roulang page: article */
:root {
            --gold: #d4a853;
            --gold-light: #e8c87a;
            --gold-dark: #b8923e;
            --gold-soft: rgba(212, 168, 83, 0.12);
            --bg-dark: #0b0e14;
            --bg-card: #121821;
            --bg-card-hover: #1a2330;
            --bg-section: #0f141e;
            --text-primary: #f0ece4;
            --text-secondary: #b8b0a4;
            --text-muted: #7a756c;
            --border-color: rgba(212, 168, 83, 0.15);
            --border-gold: rgba(212, 168, 83, 0.3);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
            --shadow-gold: 0 4px 30px rgba(212, 168, 83, 0.15);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--gold);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: var(--gold-light);
        }
        a:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        button,
        input,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 12px;
            }
        }

        /* ---- Dock Nav ---- */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 16px 0;
            background: transparent;
            transition: background 0.35s ease, box-shadow 0.35s ease;
        }
        .header.scrolled {
            background: rgba(11, 14, 20, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 2px 40px rgba(0, 0, 0, 0.5);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .nav-dock {
            display: flex;
            align-items: center;
            background: rgba(18, 24, 33, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-color);
            border-radius: 60px;
            padding: 6px 8px 6px 24px;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
            width: 100%;
            max-width: 820px;
            margin: 0 auto;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo:hover {
            color: var(--gold);
        }
        .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--gold);
            box-shadow: 0 0 12px rgba(212, 168, 83, 0.5);
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            margin-left: 16px;
            flex: 1;
        }
        .nav-links::-webkit-scrollbar {
            display: none;
        }
        .nav-links a {
            padding: 7px 16px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all 0.25s ease;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(212, 168, 83, 0.08);
        }
        .nav-links a.active {
            color: var(--bg-dark);
            background: var(--gold);
            font-weight: 600;
        }
        .nav-links a.active:hover {
            color: var(--bg-dark);
            background: var(--gold-light);
        }
        .nav-links .nav-cta {
            background: var(--gold);
            color: var(--bg-dark);
            font-weight: 600;
            padding: 7px 22px;
            border-radius: 40px;
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 8px;
        }
        .nav-links .nav-cta:hover {
            background: var(--gold-light);
            color: var(--bg-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 20px rgba(212, 168, 83, 0.3);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
            flex-shrink: 0;
        }
        .mobile-toggle:hover {
            background: rgba(212, 168, 83, 0.1);
        }

        @media (max-width: 1024px) {
            .nav-dock {
                padding: 6px 8px 6px 18px;
                max-width: 100%;
            }
            .nav-links a {
                padding: 6px 12px;
                font-size: 0.82rem;
            }
            .nav-links .nav-cta {
                padding: 6px 16px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 768px) {
            .header {
                padding: 12px 0;
            }
            .nav-dock {
                padding: 4px 6px 4px 14px;
                border-radius: 40px;
            }
            .nav-logo {
                font-size: 1rem;
                gap: 7px;
            }
            .logo-dot {
                width: 8px;
                height: 8px;
            }
            .nav-links {
                position: fixed;
                top: 70px;
                left: 12px;
                right: 12px;
                background: rgba(18, 24, 33, 0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border: 1px solid var(--border-color);
                border-radius: var(--radius-md);
                flex-direction: column;
                padding: 12px 16px;
                gap: 4px;
                display: none;
                box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
                max-height: 70vh;
                overflow-y: auto;
                margin-left: 0;
                flex: unset;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 10px 16px;
                font-size: 0.95rem;
                border-radius: 8px;
            }
            .nav-links .nav-cta {
                margin-left: 0;
                margin-top: 4px;
                justify-content: center;
            }
            .mobile-toggle {
                display: block;
            }
        }

        @media (max-width: 520px) {
            .nav-dock {
                padding: 4px 4px 4px 10px;
                border-radius: 32px;
            }
            .nav-logo {
                font-size: 0.88rem;
                gap: 5px;
            }
            .logo-dot {
                width: 6px;
                height: 6px;
            }
            .nav-links a {
                font-size: 0.88rem;
                padding: 8px 14px;
            }
            .nav-links .nav-cta {
                font-size: 0.88rem;
                padding: 8px 16px;
            }
        }

        /* ---- Article Hero ---- */
        .article-hero {
            padding: 160px 0 60px;
            background: linear-gradient(135deg, #0b0e14 0%, #141c2a 60%, #0f141e 100%);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.07;
            pointer-events: none;
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
        }
        .article-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .article-hero .breadcrumb a {
            color: var(--text-muted);
        }
        .article-hero .breadcrumb a:hover {
            color: var(--gold);
        }
        .article-hero .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 0.7rem;
        }
        .article-hero .breadcrumb .current {
            color: var(--gold);
        }
        .article-hero .cat-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 40px;
            background: var(--gold-soft);
            color: var(--gold);
            font-size: 0.8rem;
            font-weight: 500;
            border: 1px solid var(--border-gold);
            margin-bottom: 16px;
        }
        .article-hero h1 {
            font-size: 2.4rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            max-width: 800px;
            margin: 0 0 20px;
            letter-spacing: -0.3px;
        }
        .article-hero .meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .article-hero .meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-hero .meta i {
            color: var(--gold);
            font-size: 0.85rem;
        }

        @media (max-width: 768px) {
            .article-hero {
                padding: 130px 0 40px;
            }
            .article-hero h1 {
                font-size: 1.6rem;
            }
            .article-hero .meta {
                gap: 12px;
                font-size: 0.82rem;
            }
        }
        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 1.3rem;
            }
            .article-hero .meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

        /* ---- Article Content ---- */
        .article-content-section {
            padding: 50px 0 70px;
            background: var(--bg-dark);
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }
        .article-body {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 40px 44px;
            box-shadow: var(--shadow-card);
        }
        .article-body .content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-secondary);
        }
        .article-body .content p {
            margin: 0 0 20px;
        }
        .article-body .content h2,
        .article-body .content h3,
        .article-body .content h4 {
            color: var(--text-primary);
            margin-top: 36px;
            margin-bottom: 16px;
            font-weight: 600;
            letter-spacing: -0.2px;
        }
        .article-body .content h2 {
            font-size: 1.5rem;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 12px;
        }
        .article-body .content h3 {
            font-size: 1.25rem;
        }
        .article-body .content ul,
        .article-body .content ol {
            margin: 0 0 20px;
            padding-left: 24px;
        }
        .article-body .content li {
            margin-bottom: 6px;
        }
        .article-body .content a {
            color: var(--gold);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body .content a:hover {
            color: var(--gold-light);
        }
        .article-body .content img {
            border-radius: var(--radius-sm);
            margin: 24px 0;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
        }
        .article-body .content blockquote {
            border-left: 3px solid var(--gold);
            padding: 12px 20px;
            margin: 20px 0;
            background: var(--gold-soft);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body .content code {
            background: rgba(212, 168, 83, 0.08);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--gold-light);
        }
        .article-body .content pre {
            background: rgba(0, 0, 0, 0.3);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 20px;
            overflow-x: auto;
            margin: 20px 0;
        }
        .article-body .content pre code {
            background: none;
            padding: 0;
            color: var(--text-secondary);
        }
        .article-body .content table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 0.95rem;
        }
        .article-body .content th,
        .article-body .content td {
            padding: 10px 16px;
            border: 1px solid var(--border-color);
            text-align: left;
        }
        .article-body .content th {
            background: var(--gold-soft);
            color: var(--gold);
            font-weight: 600;
        }
        .article-body .content td {
            color: var(--text-secondary);
        }

        .article-body .content-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
        }
        .article-body .content-tags .tag {
            padding: 5px 16px;
            border-radius: 40px;
            background: var(--gold-soft);
            color: var(--gold);
            font-size: 0.8rem;
            border: 1px solid var(--border-gold);
            transition: all 0.25s ease;
        }
        .article-body .content-tags .tag:hover {
            background: var(--gold);
            color: var(--bg-dark);
        }

        .article-body .share-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 28px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }
        .article-body .share-bar span {
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .article-body .share-bar a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--gold-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            transition: all 0.25s ease;
            font-size: 0.9rem;
        }
        .article-body .share-bar a:hover {
            background: var(--gold);
            color: var(--bg-dark);
            transform: translateY(-2px);
        }

        /* ---- Sidebar ---- */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
        }
        .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h4 i {
            color: var(--gold);
            font-size: 0.95rem;
        }
        .sidebar-card .side-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card .side-list li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .sidebar-card .side-list li:last-child {
            border-bottom: none;
        }
        .sidebar-card .side-list a {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.4;
            transition: color 0.2s;
        }
        .sidebar-card .side-list a:hover {
            color: var(--gold);
        }
        .sidebar-card .side-list a .num {
            font-size: 0.8rem;
            color: var(--text-muted);
            min-width: 22px;
            font-weight: 600;
        }
        .sidebar-card .side-list a .num.gold {
            color: var(--gold);
        }

        .sidebar-card .cat-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card .cat-list li {
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .sidebar-card .cat-list li:last-child {
            border-bottom: none;
        }
        .sidebar-card .cat-list a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: color 0.2s;
        }
        .sidebar-card .cat-list a:hover {
            color: var(--gold);
        }
        .sidebar-card .cat-list a .count {
            background: var(--gold-soft);
            color: var(--gold);
            padding: 1px 10px;
            border-radius: 20px;
            font-size: 0.75rem;
        }

        .sidebar-cta {
            background: linear-gradient(135deg, rgba(212, 168, 83, 0.12) 0%, rgba(212, 168, 83, 0.04) 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
        }
        .sidebar-cta h4 {
            color: var(--gold);
            font-size: 1.1rem;
            font-weight: 600;
            margin: 0 0 8px;
        }
        .sidebar-cta p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin: 0 0 18px;
            line-height: 1.5;
        }
        .sidebar-cta .btn-gold {
            display: inline-block;
            padding: 10px 32px;
            border-radius: 40px;
            background: var(--gold);
            color: var(--bg-dark);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.25s ease;
        }
        .sidebar-cta .btn-gold:hover {
            background: var(--gold-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(212, 168, 83, 0.3);
            color: var(--bg-dark);
        }

        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr 260px;
                gap: 32px;
            }
            .article-body {
                padding: 28px 28px;
            }
        }
        @media (max-width: 768px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .article-body {
                padding: 24px 20px;
            }
            .article-body .content {
                font-size: 0.98rem;
            }
            .article-body .content h2 {
                font-size: 1.3rem;
            }
            .article-body .content h3 {
                font-size: 1.1rem;
            }
        }
        @media (max-width: 520px) {
            .article-body {
                padding: 18px 14px;
                border-radius: var(--radius-sm);
            }
            .article-body .content {
                font-size: 0.92rem;
            }
            .article-body .content h2 {
                font-size: 1.15rem;
            }
            .article-body .content table {
                font-size: 0.8rem;
            }
            .article-body .content th,
            .article-body .content td {
                padding: 6px 10px;
            }
            .sidebar-card {
                padding: 20px 16px;
            }
            .sidebar-cta {
                padding: 20px 16px;
            }
        }

        /* ---- Related Section ---- */
        .related-section {
            padding: 60px 0 80px;
            background: var(--bg-section);
            border-top: 1px solid var(--border-color);
        }
        .related-section .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 32px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-section .section-title i {
            color: var(--gold);
            font-size: 1.3rem;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-card);
        }
        .related-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
        }
        .related-card .card-img {
            height: 180px;
            background: var(--bg-card-hover);
            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(1.05);
        }
        .related-card .card-body {
            padding: 20px 22px 24px;
        }
        .related-card .card-body .card-cat {
            font-size: 0.75rem;
            color: var(--gold);
            background: var(--gold-soft);
            padding: 2px 12px;
            border-radius: 20px;
            display: inline-block;
            margin-bottom: 10px;
            border: 1px solid var(--border-gold);
        }
        .related-card .card-body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 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: 0.88rem;
            color: var(--text-muted);
            margin: 0 0 12px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body .meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .related-card .card-body .meta i {
            color: var(--gold);
            font-size: 0.7rem;
        }

        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
            .related-section .section-title {
                font-size: 1.3rem;
            }
            .related-card .card-body {
                padding: 16px 18px 20px;
            }
            .related-card .card-body h3 {
                font-size: 0.95rem;
            }
        }

        /* ---- CTA Section ---- */
        .article-cta {
            padding: 60px 0;
            background: linear-gradient(135deg, #0f141e 0%, #141c2a 100%);
            border-top: 1px solid var(--border-color);
        }
        .article-cta .cta-box {
            background: linear-gradient(135deg, rgba(212, 168, 83, 0.1) 0%, rgba(212, 168, 83, 0.02) 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            text-align: center;
            box-shadow: var(--shadow-gold);
        }
        .article-cta .cta-box h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 12px;
        }
        .article-cta .cta-box p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }
        .article-cta .cta-box .btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .article-cta .cta-box .btn-primary {
            padding: 14px 40px;
            border-radius: 40px;
            background: var(--gold);
            color: var(--bg-dark);
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .article-cta .cta-box .btn-primary:hover {
            background: var(--gold-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(212, 168, 83, 0.3);
            color: var(--bg-dark);
        }
        .article-cta .cta-box .btn-outline {
            padding: 14px 40px;
            border-radius: 40px;
            background: transparent;
            color: var(--gold);
            border: 1px solid var(--border-gold);
            font-weight: 500;
            font-size: 1rem;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .article-cta .cta-box .btn-outline:hover {
            background: var(--gold-soft);
            color: var(--gold-light);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .article-cta .cta-box {
                padding: 32px 24px;
            }
            .article-cta .cta-box h2 {
                font-size: 1.4rem;
            }
            .article-cta .cta-box p {
                font-size: 0.95rem;
            }
            .article-cta .cta-box .btn-primary,
            .article-cta .cta-box .btn-outline {
                padding: 12px 28px;
                font-size: 0.92rem;
            }
        }
        @media (max-width: 520px) {
            .article-cta .cta-box {
                padding: 24px 16px;
                border-radius: var(--radius-md);
            }
            .article-cta .cta-box h2 {
                font-size: 1.2rem;
            }
            .article-cta .cta-box .btn-group {
                flex-direction: column;
                align-items: center;
            }
        }

        /* ---- Footer ---- */
        .footer {
            background: #080b10;
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .nav-logo {
            font-size: 1.15rem;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
            max-width: 360px;
        }
        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 16px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: var(--text-muted);
            padding: 4px 0;
            transition: color 0.2s;
        }
        .footer-col a:hover {
            color: var(--gold);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--gold);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer {
                padding: 40px 0 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ---- Not Found ---- */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
        }
        .not-found-box i {
            font-size: 3.5rem;
            color: var(--gold);
            margin-bottom: 20px;
            opacity: 0.6;
        }
        .not-found-box h2 {
            font-size: 1.6rem;
            color: var(--text-primary);
            margin: 0 0 12px;
        }
        .not-found-box p {
            color: var(--text-muted);
            font-size: 1rem;
            margin: 0 0 24px;
        }
        .not-found-box .btn-back {
            display: inline-block;
            padding: 12px 36px;
            border-radius: 40px;
            background: var(--gold);
            color: var(--bg-dark);
            font-weight: 600;
            transition: all 0.25s ease;
        }
        .not-found-box .btn-back:hover {
            background: var(--gold-light);
            transform: translateY(-2px);
            color: var(--bg-dark);
        }

        @media (max-width: 520px) {
            .not-found-box {
                padding: 50px 16px;
            }
            .not-found-box i {
                font-size: 2.5rem;
            }
            .not-found-box h2 {
                font-size: 1.2rem;
            }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #0f0f1a;
            --primary-light: #1a1a2e;
            --gold: #c9a84c;
            --gold-light: #e8d48b;
            --gold-soft: rgba(201, 168, 76, 0.12);
            --gold-glow: rgba(201, 168, 76, 0.25);
            --bg-dark: #0a0a12;
            --bg-card: #ffffff;
            --bg-section: #f8f7f4;
            --bg-section-alt: #f0eee8;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5a;
            --text-light: #7a7a8a;
            --text-white: #f5f0e8;
            --border-light: rgba(201, 168, 76, 0.2);
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.10);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
        }

        /* ===== Base Reset ===== */
        *, *::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: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
        }

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

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

        button, input, textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            transition: var(--transition);
        }

        button {
            cursor: pointer;
            background: none;
        }

        ul, ol {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Navigation - Floating Dock ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 12px 20px;
            display: flex;
            justify-content: center;
            pointer-events: none;
        }

        .nav-dock {
            pointer-events: auto;
            background: rgba(15, 15, 26, 0.88);
            backdrop-filter: blur(20px) saturate(1.2);
            -webkit-backdrop-filter: blur(20px) saturate(1.2);
            border: 1px solid rgba(201, 168, 76, 0.15);
            border-radius: var(--radius-xl);
            padding: 8px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1100px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(201, 168, 76, 0.08);
            transition: var(--transition);
        }

        .nav-dock:hover {
            border-color: rgba(201, 168, 76, 0.25);
            box-shadow: 0 12px 50px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(201, 168, 76, 0.12);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.3px;
            padding: 6px 0;
        }

        .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--gold);
            box-shadow: 0 0 12px rgba(201, 168, 76, 0.5);
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-links a {
            color: rgba(245, 240, 232, 0.7);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--text-white);
            background: rgba(201, 168, 76, 0.10);
        }

        .nav-links a.active {
            color: var(--gold);
            background: rgba(201, 168, 76, 0.12);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 2px;
            border-radius: 2px;
            background: var(--gold);
        }

        .nav-cta {
            background: linear-gradient(135deg, var(--gold), #dbb956) !important;
            color: #0a0a12 !important;
            font-weight: 600 !important;
            padding: 8px 22px !important;
            border-radius: 50px !important;
            box-shadow: 0 4px 16px rgba(201, 168, 76, 0.25);
            letter-spacing: 0.3px;
        }

        .nav-cta:hover {
            transform: translateY(-1px) !important;
            box-shadow: 0 8px 28px rgba(201, 168, 76, 0.4) !important;
            background: linear-gradient(135deg, #dbb956, var(--gold)) !important;
            color: #0a0a12 !important;
        }

        .mobile-toggle {
            display: none;
            color: var(--text-white);
            font-size: 22px;
            padding: 6px 10px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(201, 168, 76, 0.15);
            cursor: pointer;
        }

        @media (max-width: 900px) {
            .header {
                padding: 10px 12px;
            }
            .nav-dock {
                padding: 6px 16px;
                border-radius: 20px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 8px;
                right: 8px;
                background: rgba(15, 15, 26, 0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border: 1px solid rgba(201, 168, 76, 0.15);
                border-radius: 16px;
                flex-direction: column;
                padding: 12px;
                gap: 4px;
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 12px 16px;
                font-size: 15px;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-links a.active {
                background: rgba(201, 168, 76, 0.15);
            }
            .nav-cta {
                margin-top: 4px;
                text-align: center;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-logo {
                font-size: 16px;
            }
            .nav-logo .logo-dot {
                width: 8px;
                height: 8px;
            }
        }

        @media (max-width: 520px) {
            .nav-dock {
                padding: 6px 12px;
                border-radius: 16px;
            }
            .nav-logo {
                font-size: 14px;
                gap: 6px;
            }
            .nav-logo .logo-dot {
                width: 7px;
                height: 7px;
            }
        }

        /* ===== Hero / Banner ===== */
        .banner {
            position: relative;
            min-height: 460px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-dark);
            overflow: hidden;
            padding: 140px 24px 80px;
        }

        .banner-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.50;
            filter: saturate(0.85);
        }

        .banner-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 10, 18, 0.60) 0%, rgba(10, 10, 18, 0.85) 60%, var(--bg-dark) 100%);
        }

        .banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(201, 168, 76, 0.12);
            border: 1px solid rgba(201, 168, 76, 0.2);
            border-radius: 50px;
            padding: 6px 18px 6px 14px;
            font-size: 13px;
            color: var(--gold-light);
            margin-bottom: 24px;
            letter-spacing: 0.5px;
        }

        .banner-badge i {
            font-size: 12px;
        }

        .banner h1 {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.15;
            color: var(--text-white);
            letter-spacing: -0.5px;
            margin-bottom: 20px;
        }

        .banner h1 span {
            background: linear-gradient(135deg, var(--gold), var(--gold-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .banner p {
            font-size: 18px;
            color: rgba(245, 240, 232, 0.7);
            max-width: 620px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .banner-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--gold), #dbb956);
            color: #0a0a12;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 15px;
            box-shadow: 0 4px 20px rgba(201, 168, 76, 0.3);
            transition: var(--transition);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(201, 168, 76, 0.45);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            border: 1px solid rgba(201, 168, 76, 0.3);
            color: var(--text-white);
            font-weight: 500;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 15px;
            background: rgba(255, 255, 255, 0.04);
            transition: var(--transition);
        }

        .btn-outline:hover {
            border-color: var(--gold);
            background: rgba(201, 168, 76, 0.08);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .banner {
                min-height: 380px;
                padding: 120px 16px 60px;
            }
            .banner h1 {
                font-size: 32px;
            }
            .banner p {
                font-size: 16px;
            }
            .btn-primary, .btn-outline {
                padding: 12px 24px;
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .banner h1 {
                font-size: 26px;
            }
            .banner p {
                font-size: 14px;
            }
            .banner-badge {
                font-size: 11px;
                padding: 4px 14px;
            }
        }

        /* ===== Section Common ===== */
        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: var(--bg-section);
        }

        .section-alt-2 {
            background: var(--bg-section-alt);
        }

        .section-dark {
            background: var(--bg-dark);
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 56px;
        }

        .section-header h2 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .section-header h2 span {
            color: var(--gold);
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .section-header.light h2 {
            color: var(--text-white);
        }

        .section-header.light p {
            color: rgba(245, 240, 232, 0.65);
        }

        .section-tag {
            display: inline-block;
            background: var(--gold-soft);
            color: var(--gold);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-header {
                margin-bottom: 40px;
            }
            .section-header h2 {
                font-size: 26px;
            }
            .section-header p {
                font-size: 14px;
            }
        }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid rgba(201, 168, 76, 0.06);
        }

        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(201, 168, 76, 0.15);
        }

        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .card-body {
            padding: 24px;
        }

        .card-body h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .card-badge {
            display: inline-block;
            background: var(--gold-soft);
            color: var(--gold);
            font-size: 11px;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 50px;
            letter-spacing: 0.3px;
        }

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--gold-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 20px;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        /* ===== Grid ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

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

        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .grid-2, .grid-3, .grid-4 {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== Steps / Timeline ===== */
        .step-list {
            display: flex;
            flex-direction: column;
            gap: 32px;
            max-width: 700px;
            margin: 0 auto;
        }

        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold), #dbb956);
            color: #0a0a12;
            font-weight: 700;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 4px 16px rgba(201, 168, 76, 0.25);
        }

        .step-content h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .step-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

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

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(201, 168, 76, 0.08);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(201, 168, 76, 0.18);
        }

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

        .faq-question i {
            color: var(--gold);
            font-size: 14px;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 80px 0;
            text-align: center;
            overflow: hidden;
        }

        .cta-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.15;
        }

        .cta-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 10, 18, 0.9), rgba(26, 26, 46, 0.95));
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }

        .cta-content p {
            font-size: 16px;
            color: rgba(245, 240, 232, 0.65);
            margin-bottom: 32px;
            line-height: 1.7;
        }

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

        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-content h2 {
                font-size: 26px;
            }
            .cta-content p {
                font-size: 14px;
            }
            .cta-content .btn-primary {
                padding: 14px 32px;
                font-size: 14px;
            }
        }

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

        .stat-item {
            text-align: center;
            padding: 32px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(201, 168, 76, 0.06);
            transition: var(--transition);
        }

        .stat-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .stat-number {
            font-size: 40px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--gold), #dbb956);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.1;
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item {
                padding: 20px 12px;
            }
            .stat-number {
                font-size: 30px;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--primary);
            color: rgba(245, 240, 232, 0.7);
            padding: 60px 0 30px;
            border-top: 1px solid rgba(201, 168, 76, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .nav-logo {
            font-size: 20px;
            margin-bottom: 16px;
            display: inline-flex;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(245, 240, 232, 0.55);
            max-width: 340px;
        }

        .footer-col h5 {
            color: var(--text-white);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col a {
            display: block;
            color: rgba(245, 240, 232, 0.55);
            font-size: 14px;
            padding: 4px 0;
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 28px;
            border-top: 1px solid rgba(201, 168, 76, 0.08);
            font-size: 13px;
            color: rgba(245, 240, 232, 0.4);
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom a {
            color: rgba(245, 240, 232, 0.5);
        }

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

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .footer {
                padding: 40px 0 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Feature Row (图文混合) ===== */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .feature-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .feature-image img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            display: block;
        }

        .feature-text h3 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .feature-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .feature-list li i {
            color: var(--gold);
            margin-top: 3px;
            flex-shrink: 0;
        }

        @media (max-width: 900px) {
            .feature-row {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .feature-image img {
                height: 260px;
            }
            .feature-text h3 {
                font-size: 22px;
            }
        }

        @media (max-width: 520px) {
            .feature-image img {
                height: 200px;
            }
        }

        /* ===== Extra: Tag Group ===== */
        .tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag {
            display: inline-block;
            padding: 4px 14px;
            background: var(--gold-soft);
            color: var(--gold);
            border-radius: 50px;
            font-size: 12px;
            font-weight: 500;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .tag:hover {
            border-color: rgba(201, 168, 76, 0.3);
            background: rgba(201, 168, 76, 0.15);
        }

        /* ===== Divider ===== */
        .divider {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--gold), var(--gold-light));
            border-radius: 3px;
            margin: 0 auto 16px;
        }

        .divider-left {
            margin: 0 0 16px 0;
        }

        /* ===== Animations ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-in {
            animation: fadeInUp 0.6s ease forwards;
        }

        .delay-1 { animation-delay: 0.1s; }
        .delay-2 { animation-delay: 0.2s; }
        .delay-3 { animation-delay: 0.3s; }
        .delay-4 { animation-delay: 0.4s; }

        /* ===== Utility ===== */
        .text-gold { color: var(--gold); }
        .bg-gold-soft { background: var(--gold-soft); }
        .border-gold-light { border-color: rgba(201, 168, 76, 0.15); }

/* roulang page: category2 */
:root {
            --gold: #D4AF37;
            --gold-light: #F0D68A;
            --gold-dark: #B8962E;
            --gold-soft: rgba(212, 175, 55, 0.12);
            --bg-dark: #0B0E17;
            --bg-card: #131826;
            --bg-card-hover: #1A2035;
            --bg-section: #0F1320;
            --text-primary: #F5F5F7;
            --text-secondary: #A8AAB2;
            --text-muted: #6B6F7A;
            --border-gold: rgba(212, 175, 55, 0.25);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-hover: 0 16px 48px rgba(212, 175, 55, 0.12);
            --radius-card: 16px;
            --radius-btn: 50px;
            --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }
        /* ===== FLOATING DOCK NAV ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 16px 24px;
            display: flex;
            justify-content: center;
            pointer-events: none;
        }
        .header .container {
            pointer-events: auto;
        }
        .nav-dock {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(11, 14, 23, 0.82);
            backdrop-filter: blur(24px) saturate(1.4);
            -webkit-backdrop-filter: blur(24px) saturate(1.4);
            border: 1px solid var(--border-gold);
            border-radius: 60px;
            padding: 8px 20px 8px 28px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(212, 175, 55, 0.08);
            max-width: 1100px;
            margin: 0 auto;
            transition: var(--transition);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.2rem;
            letter-spacing: 0.5px;
            color: var(--text-primary);
        }
        .nav-logo .logo-dot {
            width: 10px;
            height: 10px;
            background: var(--gold);
            border-radius: 50%;
            box-shadow: 0 0 12px rgba(212, 175, 55, 0.5);
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .nav-links a {
            padding: 8px 16px;
            border-radius: 40px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(212, 175, 55, 0.08);
        }
        .nav-links a.active {
            color: var(--gold);
            background: var(--gold-soft);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }
        .nav-links a.nav-cta {
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            color: #0B0E17 !important;
            font-weight: 600;
            padding: 8px 22px;
            border-radius: 40px;
            box-shadow: 0 4px 20px rgba(212, 175, 55, 0.25);
            margin-left: 8px;
        }
        .nav-links a.nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 8px 30px rgba(212, 175, 55, 0.35);
        }
        .nav-links a.nav-cta::after {
            display: none;
        }
        .mobile-toggle {
            display: none;
            background: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            padding: 6px 10px;
            border-radius: 8px;
            cursor: pointer;
            border: 1px solid rgba(212, 175, 55, 0.2);
        }
        @media (max-width: 820px) {
            .nav-dock {
                padding: 8px 16px 8px 20px;
                border-radius: 40px;
            }
            .nav-links a {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .nav-links a.nav-cta {
                padding: 6px 16px;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 640px) {
            .header {
                padding: 12px 12px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                background: rgba(11, 14, 23, 0.96);
                backdrop-filter: blur(24px);
                border: 1px solid var(--border-gold);
                border-radius: 20px;
                padding: 16px;
                flex-direction: column;
                gap: 6px;
                box-shadow: 0 24px 64px rgba(0, 0, 0, 0.7);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 12px 16px;
                font-size: 0.95rem;
            }
            .nav-links a.active::after {
                bottom: 6px;
            }
            .nav-links a.nav-cta {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
            }
            .mobile-toggle {
                display: block;
            }
        }
        /* ===== HERO ===== */
        .hero {
            padding: 140px 0 80px;
            background: linear-gradient(160deg, #0B0E17 0%, #131826 50%, #0F1320 100%);
            position: relative;
            overflow: hidden;
            min-height: 60vh;
            display: flex;
            align-items: center;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .hero::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(212, 175, 55, 0.08), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--gold-soft);
            border: 1px solid var(--border-gold);
            border-radius: 50px;
            padding: 6px 20px;
            font-size: 0.8rem;
            color: var(--gold-light);
            letter-spacing: 0.5px;
            margin-bottom: 24px;
        }
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.5px;
            color: var(--text-primary);
            margin-bottom: 20px;
        }
        .hero h1 span {
            background: linear-gradient(135deg, var(--gold-light), var(--gold), var(--gold-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            color: #0B0E17 !important;
            font-weight: 600;
            padding: 14px 36px;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            box-shadow: 0 6px 30px rgba(212, 175, 55, 0.25);
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(212, 175, 55, 0.35);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            color: var(--text-primary) !important;
            font-weight: 500;
            padding: 14px 36px;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            border: 1.5px solid rgba(212, 175, 55, 0.35);
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-outline:hover {
            border-color: var(--gold);
            background: rgba(212, 175, 55, 0.06);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            justify-content: center;
            margin-top: 48px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.2;
        }
        .hero-stat .label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .hero {
                padding: 120px 0 60px;
                min-height: auto;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 0.95rem;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-stat .num {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.6rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 24px;
                font-size: 0.85rem;
                width: 100%;
                justify-content: center;
            }
            .hero-actions {
                flex-direction: column;
            }
        }
        /* ===== SECTION ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-section);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: -0.3px;
            margin-bottom: 12px;
        }
        .section-header h2 span {
            background: linear-gradient(135deg, var(--gold-light), var(--gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-header p {
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            font-size: 1rem;
        }
        .section-tag {
            display: inline-block;
            background: var(--gold-soft);
            border: 1px solid var(--border-gold);
            border-radius: 50px;
            padding: 4px 18px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--gold-light);
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }
        @media (max-width: 768px) {
            .section {
                padding: 60px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .section-header p {
                font-size: 0.9rem;
            }
        }
        /* ===== CARDS ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 28px;
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid rgba(212, 175, 55, 0.08);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }
        .card:hover {
            transform: translateY(-6px);
            border-color: var(--border-gold);
            box-shadow: var(--shadow-hover);
            background: var(--bg-card-hover);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            display: block;
            border-bottom: 1px solid rgba(212, 175, 55, 0.06);
        }
        .card-body {
            padding: 24px;
        }
        .card-body .tag {
            display: inline-block;
            background: var(--gold-soft);
            border-radius: 4px;
            padding: 2px 12px;
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--gold-light);
            letter-spacing: 0.3px;
            margin-bottom: 10px;
        }
        .card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .card-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .card-meta i {
            color: var(--gold);
            margin-right: 4px;
        }
        .card-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--gold) !important;
            font-weight: 600;
            font-size: 0.85rem;
            margin-top: 8px;
            transition: var(--transition);
        }
        .card-cta:hover {
            gap: 12px;
            color: var(--gold-light) !important;
        }
        @media (max-width: 640px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .card-body {
                padding: 18px;
            }
        }
        /* ===== LIST / RANK ===== */
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-card);
            border-radius: 12px;
            padding: 16px 20px;
            border: 1px solid rgba(212, 175, 55, 0.06);
            transition: var(--transition);
            cursor: default;
        }
        .rank-item:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-gold);
        }
        .rank-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            background: var(--gold-soft);
            color: var(--gold);
            flex-shrink: 0;
        }
        .rank-item:nth-child(1) .rank-num {
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            color: #0B0E17;
        }
        .rank-item:nth-child(2) .rank-num {
            background: rgba(212, 175, 55, 0.2);
            color: var(--gold-light);
        }
        .rank-item:nth-child(3) .rank-num {
            background: rgba(212, 175, 55, 0.12);
            color: var(--gold-light);
        }
        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-info h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 2px;
        }
        .rank-info p {
            font-size: 0.8rem;
            color: var(--text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-badge {
            background: var(--gold-soft);
            border-radius: 6px;
            padding: 4px 14px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--gold-light);
            flex-shrink: 0;
        }
        @media (max-width: 640px) {
            .rank-item {
                flex-wrap: wrap;
                padding: 14px 16px;
            }
            .rank-badge {
                padding: 2px 10px;
                font-size: 0.7rem;
            }
        }
        /* ===== TIMELINE ===== */
        .timeline {
            position: relative;
            padding-left: 40px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 15px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--gold), rgba(212, 175, 55, 0.1));
        }
        .timeline-item {
            position: relative;
            margin-bottom: 36px;
            padding-left: 20px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -29px;
            top: 6px;
            width: 12px;
            height: 12px;
            background: var(--gold);
            border-radius: 50%;
            border: 3px solid var(--bg-dark);
            box-shadow: 0 0 0 2px var(--gold);
        }
        .timeline-item .date {
            font-size: 0.8rem;
            color: var(--gold);
            font-weight: 600;
            margin-bottom: 4px;
        }
        .timeline-item h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .timeline-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        @media (max-width: 640px) {
            .timeline {
                padding-left: 28px;
            }
            .timeline::before {
                left: 9px;
            }
            .timeline-item::before {
                left: -21px;
                width: 10px;
                height: 10px;
            }
        }
        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: 14px;
            padding: 24px;
            border: 1px solid rgba(212, 175, 55, 0.06);
            transition: var(--transition);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: var(--border-gold);
            background: var(--bg-card-hover);
        }
        .faq-item h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-item h4 i {
            color: var(--gold);
            font-size: 0.85rem;
        }
        .faq-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-left: 24px;
        }
        @media (max-width: 768px) {
            .faq-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .faq-item {
                padding: 18px;
            }
        }
        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(160deg, #131826, #0B0E17);
            border-top: 1px solid var(--border-gold);
            border-bottom: 1px solid var(--border-gold);
            text-align: center;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.06;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cta-section h2 span {
            background: linear-gradient(135deg, var(--gold-light), var(--gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .cta-section p {
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 32px;
            font-size: 1.05rem;
        }
        .cta-section .btn-primary {
            font-size: 1.05rem;
            padding: 16px 48px;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 60px 0;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.9rem;
            }
            .cta-section .btn-primary {
                padding: 14px 32px;
                font-size: 0.95rem;
                width: 100%;
                justify-content: center;
            }
        }
        /* ===== FOOTER ===== */
        .footer {
            background: #080B12;
            padding: 60px 0 0;
            border-top: 1px solid rgba(212, 175, 55, 0.08);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(212, 175, 55, 0.06);
        }
        .footer-brand .nav-logo {
            font-size: 1.3rem;
            margin-bottom: 16px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.85rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--gold);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            font-size: 0.8rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--gold);
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        /* ===== MISC ===== */
        .tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 16px;
        }
        .tag-pill {
            background: var(--bg-card);
            border: 1px solid rgba(212, 175, 55, 0.12);
            border-radius: 50px;
            padding: 6px 20px;
            font-size: 0.8rem;
            color: var(--text-secondary);
            transition: var(--transition);
            cursor: default;
        }
        .tag-pill:hover {
            border-color: var(--gold);
            color: var(--gold-light);
            background: var(--gold-soft);
        }
        .divider {
            border: none;
            height: 1px;
            background: linear-gradient(to right, transparent, var(--border-gold), transparent);
            margin: 0;
        }
        .text-gold {
            color: var(--gold);
        }
        .bg-gold-soft {
            background: var(--gold-soft);
        }
        .border-gold {
            border-color: var(--border-gold);
        }
        .gap-1 { gap: 4px; }
        .gap-2 { gap: 8px; }
        .gap-3 { gap: 12px; }
        .gap-4 { gap: 16px; }
        .gap-6 { gap: 24px; }
        .gap-8 { gap: 32px; }
        .mt-2 { margin-top: 8px; }
        .mt-4 { margin-top: 16px; }
        .mt-6 { margin-top: 24px; }
        .mt-8 { margin-top: 32px; }
        .mt-10 { margin-top: 40px; }
        .mb-2 { margin-bottom: 8px; }
        .mb-4 { margin-bottom: 16px; }
        .mb-6 { margin-bottom: 24px; }
        .mb-8 { margin-bottom: 32px; }
        .flex { display: flex; }
        .flex-wrap { flex-wrap: wrap; }
        .items-center { align-items: center; }
        .justify-center { justify-content: center; }
        .justify-between { justify-content: space-between; }
        .text-center { text-align: center; }
        .w-full { width: 100%; }
        .hidden { display: none; }
        @media (max-width: 640px) {
            .mobile-hidden { display: none !important; }
        }
        /* ===== BREADCRUMB ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--text-muted);
            padding: 120px 0 12px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--gold);
        }
        .breadcrumb span {
            color: var(--text-secondary);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 0.7rem;
        }
        /* ===== AVATAR GROUP ===== */
        .avatar-group {
            display: flex;
            align-items: center;
        }
        .avatar-group .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 2px solid var(--bg-dark);
            margin-left: -10px;
            object-fit: cover;
            background: var(--bg-card);
        }
        .avatar-group .avatar:first-child {
            margin-left: 0;
        }
        .avatar-group .count {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 2px solid var(--bg-dark);
            background: var(--gold-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            font-weight: 700;
            color: var(--gold);
            margin-left: -10px;
        }

/* roulang page: category3 */
:root {
            --gold: #C9A84C;
            --gold-light: #E8D48B;
            --gold-soft: #F5EDD6;
            --gold-dark: #A8872E;
            --ink: #1A1A2E;
            --ink-light: #2A2A4A;
            --ink-dark: #0F0F1A;
            --cream: #FAF8F2;
            --cream-light: #FDFCF9;
            --radius: 0.75rem;
            --radius-lg: 1rem;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-glow: 0 0 40px rgba(201, 168, 76, 0.15);
        }

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

        body {
            font-family: 'PingFang SC', 'Noto Sans SC', system-ui, sans-serif;
            background: var(--cream);
            color: #2D2D3A;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: var(--gold);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== FLOATING DOCK NAV ===== */
        .site-header {
            position: sticky;
            top: 18px;
            z-index: 100;
            padding: 0 24px;
            pointer-events: none;
        }
        .site-header .container {
            pointer-events: auto;
        }
        .nav-dock {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(18px) saturate(1.4);
            -webkit-backdrop-filter: blur(18px) saturate(1.4);
            border-radius: 60px;
            padding: 10px 28px 10px 24px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(201, 168, 76, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.5);
            transition: box-shadow 0.3s ease;
        }
        .nav-dock:hover {
            box-shadow: 0 12px 52px rgba(0, 0, 0, 0.09), 0 0 0 1px rgba(201, 168, 76, 0.2);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--ink);
            letter-spacing: 0.01em;
            flex-shrink: 0;
        }
        .nav-logo .logo-dot {
            width: 10px;
            height: 10px;
            background: var(--gold);
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 12px rgba(201, 168, 76, 0.4);
        }
        .nav-logo span {
            background: linear-gradient(135deg, #1A1A2E 0%, #C9A84C 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-links a {
            padding: 7px 16px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #4A4A5A;
            transition: all 0.25s ease;
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--ink);
            background: rgba(201, 168, 76, 0.08);
        }
        .nav-links a.active {
            color: var(--ink);
            background: rgba(201, 168, 76, 0.15);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--gold);
            border-radius: 4px;
        }
        .nav-links a.nav-cta {
            background: linear-gradient(135deg, #C9A84C, #B8942E);
            color: #fff !important;
            padding: 8px 22px;
            font-weight: 600;
            letter-spacing: 0.02em;
            box-shadow: 0 4px 16px rgba(201, 168, 76, 0.3);
        }
        .nav-links a.nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(201, 168, 76, 0.4);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--ink);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(201, 168, 76, 0.1);
        }

        /* ===== HERO ===== */
        .page-hero {
            position: relative;
            min-height: 360px;
            display: flex;
            align-items: center;
            padding: 140px 0 80px;
            margin-top: -80px;
            background: linear-gradient(165deg, #1A1A2E 0%, #2A2A4A 60%, #1A1A2E 100%);
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center/cover no-repeat;
            opacity: 0.18;
            mix-blend-mode: overlay;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--cream), transparent);
            z-index: 1;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .page-hero h1 .highlight {
            color: var(--gold-light);
        }
        .page-hero .hero-sub {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 640px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(201, 168, 76, 0.2);
            border: 1px solid rgba(201, 168, 76, 0.3);
            color: var(--gold-light);
            padding: 6px 20px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 500;
            backdrop-filter: blur(8px);
            margin-bottom: 20px;
        }

        /* ===== SECTION ===== */
        .section {
            padding: 80px 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--gold-soft);
            color: var(--gold-dark);
            padding: 4px 16px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--ink);
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 1.05rem;
            color: #6A6A7A;
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 40px;
        }
        .section-title .highlight {
            color: var(--gold);
        }

        /* ===== CARDS ===== */
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.35s ease;
            border: 1px solid rgba(201, 168, 76, 0.06);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .card-body {
            padding: 24px 24px 26px;
        }
        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-body p {
            color: #5A5A6A;
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .card-tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--gold-soft);
            color: var(--gold-dark);
            margin-bottom: 10px;
        }

        /* ===== GRID ===== */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        /* ===== STATS ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .stat-item {
            text-align: center;
            padding: 32px 16px;
            background: rgba(255, 255, 255, 0.6);
            backdrop-filter: blur(8px);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(201, 168, 76, 0.12);
            transition: transform 0.3s ease;
        }
        .stat-item:hover {
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: #6A6A7A;
            font-weight: 500;
        }

        /* ===== TIMELINE / FLOW ===== */
        .flow-steps {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .flow-step {
            flex: 1;
            min-width: 180px;
            max-width: 240px;
            text-align: center;
            padding: 28px 16px 24px;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(201, 168, 76, 0.08);
            transition: transform 0.3s ease;
        }
        .flow-step:hover {
            transform: translateY(-3px);
        }
        .flow-step .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, #C9A84C, #A8872E);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            margin: 0 auto 16px;
            box-shadow: 0 4px 16px rgba(201, 168, 76, 0.25);
        }
        .flow-step h4 {
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 6px;
            font-size: 1rem;
        }
        .flow-step p {
            font-size: 0.85rem;
            color: #6A6A7A;
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(201, 168, 76, 0.06);
            padding: 20px 24px;
            margin-bottom: 14px;
            transition: box-shadow 0.3s ease;
        }
        .faq-item:hover {
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.07);
        }
        .faq-q {
            font-weight: 700;
            color: var(--ink);
            font-size: 1rem;
            display: flex;
            align-items: center;
            gap: 12px;
            cursor: pointer;
        }
        .faq-q .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--gold-soft);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-a {
            padding-top: 12px;
            padding-left: 40px;
            color: #5A5A6A;
            font-size: 0.92rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-a {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, #1A1A2E, #2A2A4A);
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center/cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-block .container {
            position: relative;
            z-index: 1;
        }
        .cta-block h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-block p {
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 28px;
            font-size: 1.05rem;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, #C9A84C, #B8942E);
            color: #fff !important;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 4px 24px rgba(201, 168, 76, 0.35);
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }
        .cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(201, 168, 76, 0.45);
        }

        /* ===== FOOTER ===== */
        .footer {
            background: var(--ink);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 32px;
            margin-top: 80px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .nav-logo {
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand .nav-logo span {
            background: linear-gradient(135deg, #fff, #E8D48B);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
        }
        .footer-col h5 {
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            padding: 4px 0;
            transition: color 0.25s ease;
        }
        .footer-col a:hover {
            color: var(--gold-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--gold-light);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                top: 12px;
                padding: 0 16px;
            }
            .nav-dock {
                padding: 8px 16px 8px 18px;
                border-radius: 40px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.96);
                backdrop-filter: blur(18px);
                border-radius: 20px;
                padding: 16px 12px;
                flex-direction: column;
                gap: 4px;
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
                border: 1px solid rgba(201, 168, 76, 0.1);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 10px 16px;
                width: 100%;
                text-align: center;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-links a.nav-cta {
                margin-top: 8px;
            }
            .nav-toggle {
                display: block;
            }

            .page-hero {
                min-height: 280px;
                padding: 120px 0 60px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero .hero-sub {
                font-size: 0.95rem;
            }

            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }

            .grid-3,
            .grid-2 {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .grid-4 {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .flow-steps {
                flex-direction: column;
                align-items: center;
            }
            .flow-step {
                max-width: 100%;
                width: 100%;
            }
            .cta-block {
                padding: 40px 24px;
            }
            .cta-block h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .stat-item {
                padding: 20px 16px;
            }
            .nav-logo {
                font-size: 1rem;
            }
            .nav-logo .logo-dot {
                width: 8px;
                height: 8px;
            }
        }

        /* ===== ANIMATIONS ===== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-up {
            animation: fadeUp 0.7s ease forwards;
        }

        /* ===== MISC ===== */
        .badge-gold {
            display: inline-block;
            background: var(--gold-soft);
            color: var(--gold-dark);
            padding: 2px 14px;
            border-radius: 30px;
            font-size: 0.78rem;
            font-weight: 600;
        }
        .text-gold {
            color: var(--gold);
        }
        .bg-gold-soft {
            background: var(--gold-soft);
        }
        .border-gold-light {
            border-color: rgba(201, 168, 76, 0.2);
        }
        .gap-8 {
            gap: 2rem;
        }
        .mt-4 {
            margin-top: 1rem;
        }
        .mt-8 {
            margin-top: 2rem;
        }
        .mb-4 {
            margin-bottom: 1rem;
        }
        .mb-8 {
            margin-bottom: 2rem;
        }