/* roulang page: index */
:root {
            --primary: #1a1a2e;
            --primary-light: #2d2d5e;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --bg-body: #f8fafc;
            --bg-card: #ffffff;
            --text-dark: #1e293b;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border-light: #e2e8f0;
            --radius: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
            --nav-width: 240px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--bg-body);
            color: var(--text-dark);
            line-height: 1.7;
            display: flex;
            min-height: 100vh;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        img { max-width: 100%; height: auto; display: block; }
        button, input { font: inherit; }
        ::selection { background: var(--accent); color: #fff; }

        /* 左侧导航 */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--primary);
            color: #fff;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            transition: transform var(--transition);
            overflow-y: auto;
        }
        .side-nav .logo-area {
            padding: 32px 20px 24px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .side-nav .logo-area .brand {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 1px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .side-nav .logo-area .brand i { color: var(--accent); font-size: 26px; }
        .side-nav .logo-area .sub { font-size: 12px; color: var(--text-light); margin-top: 4px; letter-spacing: 2px; }
        .side-nav .nav-links { flex: 1; padding: 24px 16px; list-style: none; }
        .side-nav .nav-links li { margin-bottom: 4px; }
        .side-nav .nav-links a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: rgba(255,255,255,0.7);
            transition: var(--transition);
        }
        .side-nav .nav-links a i { width: 20px; font-size: 16px; }
        .side-nav .nav-links a:hover, .side-nav .nav-links a.active {
            background: rgba(255,255,255,0.08);
            color: #fff;
        }
        .side-nav .nav-links a.active { background: var(--accent); color: var(--primary); font-weight: 600; }
        .side-nav .nav-footer {
            padding: 20px 20px 24px;
            border-top: 1px solid rgba(255,255,255,0.06);
            font-size: 12px;
            color: var(--text-light);
            text-align: center;
        }
        .side-nav .nav-footer .social { display: flex; justify-content: center; gap: 12px; margin-bottom: 12px; }
        .side-nav .nav-footer .social a {
            width: 32px; height: 32px; border-radius: 50%;
            background: rgba(255,255,255,0.06);
            display: flex; align-items: center; justify-content: center;
            color: var(--text-light); font-size: 14px;
            transition: var(--transition);
        }
        .side-nav .nav-footer .social a:hover { background: var(--accent); color: var(--primary); }

        /* 移动端顶部导航 */
        .top-bar {
            display: none;
            position: fixed;
            top: 0; left: 0; right: 0;
            height: 64px;
            background: var(--primary);
            color: #fff;
            z-index: 1001;
            padding: 0 20px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(0,0,0,0.2);
        }
        .top-bar .brand { font-size: 18px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
        .top-bar .brand i { color: var(--accent); }
        .top-bar .hamburger {
            background: none; border: none; color: #fff; font-size: 24px;
            cursor: pointer; padding: 4px; border-radius: 6px;
        }
        .top-bar .hamburger:hover { background: rgba(255,255,255,0.08); }
        .mobile-menu {
            position: fixed; top: 64px; left: 0; right: 0; bottom: 0;
            background: var(--primary);
            z-index: 999;
            padding: 20px;
            transform: translateX(100%);
            transition: transform var(--transition);
            overflow-y: auto;
        }
        .mobile-menu.open { transform: translateX(0); }
        .mobile-menu ul { list-style: none; }
        .mobile-menu ul li { margin-bottom: 4px; }
        .mobile-menu ul a {
            display: flex; align-items: center; gap: 12px;
            padding: 14px 16px; border-radius: 10px;
            font-size: 16px; font-weight: 500;
            color: rgba(255,255,255,0.7);
        }
        .mobile-menu ul a i { width: 20px; }
        .mobile-menu ul a:hover, .mobile-menu ul a.active { background: rgba(255,255,255,0.08); color: #fff; }
        .mobile-menu ul a.active { background: var(--accent); color: var(--primary); }

        /* 主内容区 */
        .main-content {
            margin-left: var(--nav-width);
            flex: 1;
            min-height: 100vh;
            width: calc(100% - var(--nav-width));
        }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }

        /* 板块 */
        .section { padding: 80px 0; }
        .section-title { font-size: 32px; font-weight: 700; margin-bottom: 12px; color: var(--text-dark); }
        .section-sub { font-size: 16px; color: var(--text-muted); max-width: 640px; margin-bottom: 48px; }
        .section-center { text-align: center; }
        .section-center .section-sub { margin-left: auto; margin-right: auto; }

        /* Hero */
        .hero {
            padding: 120px 0 100px;
            background: linear-gradient(135deg, #0f172a 0%, #1a1a2e 40%, #2d1b4e 70%, #1a1a2e 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -50%; left: -50%; width: 200%; height: 200%;
            background: radial-gradient(ellipse at 30% 50%, rgba(245,158,11,0.08) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 50%, rgba(99,102,241,0.06) 0%, transparent 60%);
            animation: heroGlow 12s ease-in-out infinite alternate;
        }
        @keyframes heroGlow { 0% { transform: translate(0,0); } 100% { transform: translate(-20px,20px); } }
        .hero .container { position: relative; z-index: 1; }
        .hero h1 { font-size: 52px; font-weight: 800; line-height: 1.15; margin-bottom: 20px; letter-spacing: -1px; }
        .hero h1 span { color: var(--accent); }
        .hero p { font-size: 18px; color: rgba(255,255,255,0.7); max-width: 580px; margin-bottom: 36px; line-height: 1.8; }
        .hero .hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
        .hero .btn-primary {
            padding: 14px 36px; border-radius: 50px; font-weight: 600; font-size: 16px;
            background: var(--accent); color: var(--primary); border: none; cursor: pointer;
            transition: var(--transition); display: inline-flex; align-items: center; gap: 8px;
        }
        .hero .btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(245,158,11,0.3); }
        .hero .btn-outline {
            padding: 14px 36px; border-radius: 50px; font-weight: 600; font-size: 16px;
            background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.25); cursor: pointer;
            transition: var(--transition); display: inline-flex; align-items: center; gap: 8px;
        }
        .hero .btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
        .hero .hero-stats { display: flex; gap: 40px; margin-top: 56px; padding-top: 40px; border-top: 1px solid rgba(255,255,255,0.08); }
        .hero .hero-stats .stat { }
        .hero .hero-stats .stat .num { font-size: 32px; font-weight: 700; color: #fff; }
        .hero .hero-stats .stat .label { font-size: 14px; color: rgba(255,255,255,0.5); margin-top: 2px; }

        /* 卡片 */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            overflow: hidden;
        }
        .card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
        .card-body { padding: 24px; }
        .card-img { width: 100%; height: 180px; object-fit: cover; }
        .card-title { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
        .card-text { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
        .card-tag {
            display: inline-block; padding: 2px 12px; border-radius: 20px;
            font-size: 12px; font-weight: 500; margin-bottom: 10px;
            background: var(--accent); color: var(--primary);
        }
        .card-tag.blue { background: #dbe4ff; color: #364fc7; }
        .card-tag.green { background: #d3f9d8; color: #2b8a3e; }
        .card-tag.purple { background: #e5dbff; color: #5f3dc4; }

        /* 网格 */
        .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; }

        /* 按钮 */
        .btn {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 12px 28px; border-radius: 50px; font-weight: 600; font-size: 15px;
            border: none; cursor: pointer; transition: var(--transition);
        }
        .btn-primary { background: var(--accent); color: var(--primary); }
        .btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,158,11,0.25); }
        .btn-outline-dark { background: transparent; color: var(--text-dark); border: 2px solid var(--border-light); }
        .btn-outline-dark:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
        .btn-sm { padding: 8px 18px; font-size: 13px; }

        /* 标签 */
        .badge {
            display: inline-block; padding: 4px 14px; border-radius: 20px;
            font-size: 12px; font-weight: 500;
            background: var(--accent); color: var(--primary);
        }
        .badge.outline { background: transparent; border: 1px solid var(--border-light); color: var(--text-muted); }

        /* 列表 */
        .list-item {
            display: flex; gap: 16px; padding: 16px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .list-item:last-child { border-bottom: none; }
        .list-item .icon { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
        .list-item .icon.gold { background: #fef3c7; color: #d97706; }
        .list-item .icon.blue { background: #dbe4ff; color: #364fc7; }
        .list-item .icon.green { background: #d3f9d8; color: #2b8a3e; }
        .list-item .icon.purple { background: #e5dbff; color: #5f3dc4; }

        /* FAQ */
        .faq-item { border-bottom: 1px solid var(--border-light); padding: 20px 0; }
        .faq-item:first-child { padding-top: 0; }
        .faq-q { font-size: 17px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
        .faq-q i { color: var(--accent); transition: var(--transition); }
        .faq-q.open i { transform: rotate(180deg); }
        .faq-a { margin-top: 12px; font-size: 15px; color: var(--text-muted); line-height: 1.8; display: none; }
        .faq-a.open { display: block; }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff; border-radius: var(--radius-lg); padding: 64px 48px;
            text-align: center;
        }
        .cta-section h2 { font-size: 32px; font-weight: 700; margin-bottom: 12px; }
        .cta-section p { color: rgba(255,255,255,0.7); max-width: 520px; margin: 0 auto 32px; font-size: 16px; }

        /* 页脚 */
        .footer {
            background: var(--primary); color: rgba(255,255,255,0.7);
            padding: 48px 0 32px; margin-top: 0;
        }
        .footer .grid-4 { gap: 32px; }
        .footer h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 16px; }
        .footer ul { list-style: none; }
        .footer ul li { margin-bottom: 8px; }
        .footer ul a { color: rgba(255,255,255,0.6); font-size: 14px; }
        .footer ul a:hover { color: var(--accent); }
        .footer .bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 24px; margin-top: 32px; font-size: 13px; text-align: center; color: rgba(255,255,255,0.4); }

        /* 文章列表（CMS） */
        .post-item {
            display: flex; gap: 20px; padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
            align-items: flex-start;
        }
        .post-item:last-child { border-bottom: none; }
        .post-item .post-meta { font-size: 13px; color: var(--text-light); display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 6px; }
        .post-item .post-meta span { display: flex; align-items: center; gap: 4px; }
        .post-item h3 { font-size: 18px; font-weight: 600; margin-bottom: 6px; }
        .post-item h3 a { color: var(--text-dark); }
        .post-item h3 a:hover { color: var(--accent); }
        .post-item p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

        /* 响应式 */
        @media (max-width: 1024px) {
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .side-nav { transform: translateX(-100%); }
            .side-nav.open { transform: translateX(0); }
            .top-bar { display: flex; }
            .main-content { margin-left: 0; width: 100%; }
            .container { padding: 0 20px; }
            .section { padding: 60px 0; }
            .hero { padding: 100px 0 80px; }
            .hero h1 { font-size: 36px; }
            .hero p { font-size: 16px; }
            .hero .hero-stats { gap: 24px; flex-wrap: wrap; }
            .hero .hero-stats .stat .num { font-size: 26px; }
            .grid-3 { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .grid-2 { grid-template-columns: 1fr; gap: 20px; }
            .grid-4 { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .section-title { font-size: 28px; }
            .cta-section { padding: 40px 24px; }
            .cta-section h2 { font-size: 26px; }
            .post-item { flex-direction: column; gap: 12px; }
            .footer .grid-4 { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 520px) {
            .grid-3 { grid-template-columns: 1fr; }
            .grid-4 { grid-template-columns: 1fr; }
            .hero h1 { font-size: 28px; }
            .hero .hero-btns { flex-direction: column; }
            .hero .btn-primary, .hero .btn-outline { width: 100%; justify-content: center; }
            .section-title { font-size: 24px; }
            .footer .grid-4 { grid-template-columns: 1fr; }
            .footer .bottom { font-size: 12px; }
        }

        /* 额外工具 */
        .gap-2 { gap: 8px; }
        .gap-3 { gap: 16px; }
        .gap-4 { gap: 24px; }
        .mt-2 { margin-top: 8px; }
        .mt-3 { margin-top: 16px; }
        .mt-4 { margin-top: 24px; }
        .mb-2 { margin-bottom: 8px; }
        .mb-3 { margin-bottom: 16px; }
        .mb-4 { margin-bottom: 24px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .text-accent { color: var(--accent); }
        .bg-soft { background: #f1f5f9; }
        .rounded-full { border-radius: 9999px; }

/* roulang page: article */
:root {
            --primary: #0b0e1a;
            --primary-light: #141a2e;
            --secondary: #1a2340;
            --accent: #f5c518;
            --accent-hover: #e0b414;
            --accent-light: rgba(245, 197, 24, 0.12);
            --text-primary: #f0f2f5;
            --text-secondary: #a8b0c5;
            --text-muted: #6a7290;
            --border-color: rgba(245, 197, 24, 0.15);
            --card-bg: rgba(20, 26, 46, 0.85);
            --card-border: rgba(245, 197, 24, 0.08);
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --nav-width: 240px;
        }

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

        body {
            font-family: var(--font-sans);
            background: var(--primary);
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button, input, textarea {
            font-family: inherit;
            outline: none;
            border: none;
        }
        ul { list-style: none; }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: var(--primary); }
        ::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 10px; }

        /* ===== Side Navigation ===== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--primary-light);
            border-right: 1px solid var(--card-border);
            display: flex;
            flex-direction: column;
            padding: 32px 20px 24px;
            z-index: 1000;
            overflow-y: auto;
            backdrop-filter: blur(12px);
            transition: var(--transition);
        }
        .side-nav .logo-area {
            margin-bottom: 36px;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--card-border);
        }
        .side-nav .brand {
            font-size: 22px;
            font-weight: 700;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.5px;
        }
        .side-nav .brand i {
            font-size: 28px;
            color: var(--accent);
        }
        .side-nav .sub {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
            padding-left: 38px;
            letter-spacing: 1px;
        }
        .side-nav .nav-links {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .side-nav .nav-links li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .side-nav .nav-links li a i {
            width: 20px;
            font-size: 16px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .side-nav .nav-links li a:hover {
            background: var(--accent-light);
            color: var(--accent);
        }
        .side-nav .nav-links li a:hover i {
            color: var(--accent);
        }
        .side-nav .nav-links li a.active {
            background: var(--accent-light);
            color: var(--accent);
            font-weight: 600;
            border-left: 3px solid var(--accent);
        }
        .side-nav .nav-links li a.active i {
            color: var(--accent);
        }
        .side-nav .nav-footer {
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--card-border);
            text-align: center;
        }
        .side-nav .nav-footer .social {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 12px;
        }
        .side-nav .nav-footer .social a {
            color: var(--text-muted);
            font-size: 18px;
            transition: var(--transition);
        }
        .side-nav .nav-footer .social a:hover {
            color: var(--accent);
            transform: scale(1.15);
        }
        .side-nav .nav-footer div {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }

        /* ===== Main Content Area ===== */
        .main-wrapper {
            margin-left: var(--nav-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 60px 48px 48px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            border-bottom: 1px solid var(--card-border);
        }
        .article-hero .container {
            max-width: 900px;
            margin: 0 auto;
        }
        .article-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .article-hero .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .article-hero .breadcrumb a:hover {
            color: var(--accent);
        }
        .article-hero .breadcrumb .sep {
            color: var(--text-muted);
        }
        .article-hero .category-badge {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            border: 1px solid rgba(245, 197, 24, 0.15);
        }
        .article-hero h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .article-hero .meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .article-hero .meta i {
            margin-right: 6px;
            color: var(--accent);
        }
        .article-hero .meta span {
            display: flex;
            align-items: center;
        }

        /* ===== Article Body ===== */
        .article-body {
            flex: 1;
            padding: 48px 48px 64px;
        }
        .article-body .container {
            max-width: 900px;
            margin: 0 auto;
        }
        .article-body .content {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-secondary);
        }
        .article-body .content p {
            margin-bottom: 24px;
        }
        .article-body .content h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 40px 0 16px;
        }
        .article-body .content h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 32px 0 12px;
        }
        .article-body .content img {
            margin: 28px 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
        }
        .article-body .content blockquote {
            border-left: 4px solid var(--accent);
            background: var(--accent-light);
            padding: 20px 24px;
            margin: 28px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-secondary);
        }
        .article-body .content ul, .article-body .content ol {
            margin: 20px 0 20px 24px;
        }
        .article-body .content li {
            margin-bottom: 10px;
        }
        .article-body .content a {
            color: var(--accent);
            border-bottom: 1px solid rgba(245, 197, 24, 0.3);
        }
        .article-body .content a:hover {
            border-bottom-color: var(--accent);
        }
        .article-body .content code {
            background: var(--primary-light);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--accent);
        }

        /* ===== Not Found ===== */
        .not-found-card {
            text-align: center;
            padding: 80px 40px;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--card-border);
            box-shadow: var(--shadow-md);
        }
        .not-found-card i {
            font-size: 64px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .not-found-card h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .not-found-card p {
            color: var(--text-muted);
            font-size: 16px;
            margin-bottom: 28px;
        }
        .not-found-card .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            padding: 12px 32px;
            border-radius: 50px;
            transition: var(--transition);
        }
        .not-found-card .btn-back:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(245, 197, 24, 0.3);
        }

        /* ===== Article Footer Nav ===== */
        .article-footer-nav {
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid var(--card-border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }
        .article-footer-nav a {
            color: var(--text-secondary);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .article-footer-nav a:hover {
            color: var(--accent);
        }
        .article-footer-nav .share {
            display: flex;
            gap: 12px;
        }
        .article-footer-nav .share a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            border: 1px solid var(--card-border);
            transition: var(--transition);
        }
        .article-footer-nav .share a:hover {
            background: var(--accent-light);
            color: var(--accent);
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        /* ===== Footer (shared structure) ===== */
        .footer {
            background: var(--primary-light);
            border-top: 1px solid var(--card-border);
            padding: 48px 48px 32px;
            margin-top: auto;
        }
        .footer .container {
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .footer ul li {
            margin-bottom: 8px;
        }
        .footer ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer .bottom {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid var(--card-border);
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }

        /* ===== Mobile Menu Toggle ===== */
        .mobile-toggle {
            display: none;
            position: fixed;
            top: 16px;
            left: 16px;
            z-index: 1100;
            background: var(--primary-light);
            border: 1px solid var(--card-border);
            color: var(--accent);
            width: 44px;
            height: 44px;
            border-radius: 12px;
            font-size: 20px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: var(--accent-light);
        }
        .overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.6);
            z-index: 999;
            backdrop-filter: blur(4px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-hero h1 {
                font-size: 30px;
            }
            .article-hero, .article-body {
                padding-left: 32px;
                padding-right: 32px;
            }
            .footer .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-width: 0px;
            }
            .side-nav {
                transform: translateX(-100%);
                width: 260px;
                transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            }
            .side-nav.open {
                transform: translateX(0);
            }
            .mobile-toggle {
                display: flex;
            }
            .overlay.show {
                display: block;
            }
            .main-wrapper {
                margin-left: 0;
            }
            .article-hero {
                padding: 40px 24px 32px;
            }
            .article-hero h1 {
                font-size: 24px;
            }
            .article-hero .meta {
                gap: 12px;
                font-size: 13px;
            }
            .article-body {
                padding: 32px 24px 48px;
            }
            .article-body .content {
                font-size: 16px;
            }
            .article-body .content h2 {
                font-size: 22px;
            }
            .footer {
                padding: 32px 24px 24px;
            }
            .footer .grid-4 {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 20px;
            }
            .article-hero, .article-body {
                padding-left: 16px;
                padding-right: 16px;
            }
            .article-body .content {
                font-size: 15px;
            }
            .article-body .content h2 {
                font-size: 19px;
            }
            .footer .grid-4 {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .article-footer-nav {
                flex-direction: column;
                align-items: flex-start;
            }
            .not-found-card {
                padding: 40px 20px;
            }
            .not-found-card i {
                font-size: 48px;
            }
            .not-found-card h2 {
                font-size: 22px;
            }
        }

        @media (min-width: 769px) {
            .side-nav {
                transform: translateX(0) !important;
            }
            .overlay {
                display: none !important;
            }
        }

        /* ===== Fade In ===== */
        .fade-in {
            animation: fadeIn 0.6s ease-out forwards;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(12px); }
            to { opacity: 1; transform: translateY(0); }
        }

/* roulang page: category1 */
:root {
            --primary: #0a1628;
            --primary-light: #0f1f3a;
            --primary-mid: #15294a;
            --accent: #f5c518;
            --accent-hover: #e0b010;
            --bg-body: #050d1a;
            --bg-card: #0f1f3a;
            --bg-card-hover: #15294a;
            --text-primary: #f0f4ff;
            --text-secondary: #a0c0e0;
            --text-muted: rgba(160, 192, 224, 0.6);
            --border-color: rgba(245, 197, 24, 0.15);
            --radius: 12px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 60px rgba(245, 197, 24, 0.06);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
        }

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

        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.3s ease;
        }

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

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

        /* ===== Layout ===== */
        .app-layout {
            display: flex;
            min-height: 100vh;
        }

        /* ===== Side Navigation (Desktop) ===== */
        .side-nav {
            width: 240px;
            flex-shrink: 0;
            background: linear-gradient(180deg, #0a1628 0%, #050d1a 100%);
            border-right: 1px solid rgba(245, 197, 24, 0.08);
            display: flex;
            flex-direction: column;
            padding: 28px 20px;
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 1000;
            overflow-y: auto;
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .side-nav .logo-area {
            padding-bottom: 28px;
            border-bottom: 1px solid rgba(245, 197, 24, 0.08);
            margin-bottom: 24px;
        }

        .side-nav .brand {
            font-size: 22px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .side-nav .brand i {
            font-size: 26px;
            color: var(--accent);
            filter: drop-shadow(0 0 12px rgba(245, 197, 24, 0.3));
        }

        .side-nav .sub {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
            padding-left: 36px;
            letter-spacing: 2px;
        }

        .side-nav .nav-links {
            list-style: none;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .side-nav .nav-links li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all 0.3s ease;
            position: relative;
        }

        .side-nav .nav-links li a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
        }

        .side-nav .nav-links li a:hover {
            background: rgba(245, 197, 24, 0.06);
            color: var(--text-primary);
            transform: translateX(4px);
        }

        .side-nav .nav-links li a.active {
            background: rgba(245, 197, 24, 0.12);
            color: var(--accent);
            box-shadow: inset 3px 0 0 var(--accent);
        }

        .side-nav .nav-links li a.active::after {
            content: '';
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 20px rgba(245, 197, 24, 0.5);
        }

        .side-nav .nav-footer {
            padding-top: 20px;
            border-top: 1px solid rgba(245, 197, 24, 0.08);
            margin-top: 20px;
        }

        .side-nav .nav-footer .social {
            display: flex;
            gap: 12px;
            margin-bottom: 12px;
        }

        .side-nav .nav-footer .social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(245, 197, 24, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 16px;
            transition: all 0.3s ease;
        }

        .side-nav .nav-footer .social a:hover {
            background: var(--accent);
            color: #050d1a;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 197, 24, 0.25);
        }

        .side-nav .nav-footer>div:last-child {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }

        /* ===== Mobile Header ===== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: rgba(10, 22, 40, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(245, 197, 24, 0.08);
            z-index: 999;
            padding: 0 20px;
            align-items: center;
            justify-content: space-between;
        }

        .mobile-header .brand {
            font-size: 18px;
            font-weight: 700;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-header .brand i {
            font-size: 20px;
        }

        .mobile-header .menu-toggle {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: rgba(245, 197, 24, 0.08);
            color: var(--text-primary);
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
        }

        .mobile-header .menu-toggle:hover {
            background: rgba(245, 197, 24, 0.15);
        }

        /* ===== Main Content ===== */
        .main-content {
            flex: 1;
            margin-left: 240px;
            width: calc(100% - 240px);
            min-height: 100vh;
        }

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

        /* ===== Hero ===== */
        .page-hero {
            padding: 80px 0 60px;
            background: linear-gradient(135deg, #050d1a 0%, #0a1628 40%, #0f1f3a 100%);
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 197, 24, 0.04) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 197, 24, 0.03) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: 50px;
            background: rgba(245, 197, 24, 0.1);
            border: 1px solid rgba(245, 197, 24, 0.15);
            font-size: 13px;
            color: var(--accent);
            letter-spacing: 1px;
            margin-bottom: 20px;
        }

        .page-hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #f0f4ff 0%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-hero p {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.8;
        }

        /* ===== Section ===== */
        .section-block {
            padding: 70px 0;
        }

        .section-block .section-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .section-block .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 40px;
        }

        .section-block .section-title i {
            color: var(--accent);
            margin-right: 10px;
        }

        .section-divider {
            width: 60px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
            margin: 12px 0 24px;
            box-shadow: 0 0 30px rgba(245, 197, 24, 0.2);
        }

        /* ===== Cards ===== */
        .card-base {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 28px 24px;
            transition: all 0.4s ease;
            box-shadow: var(--shadow-card);
        }

        .card-base:hover {
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            border-color: rgba(245, 197, 24, 0.2);
            box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5), var(--shadow-glow);
        }

        .card-base .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: rgba(245, 197, 24, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--accent);
            margin-bottom: 16px;
            transition: all 0.3s ease;
        }

        .card-base:hover .card-icon {
            background: rgba(245, 197, 24, 0.15);
            transform: scale(1.05);
        }

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

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

        .card-base .card-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: 50px;
            font-size: 12px;
            background: rgba(245, 197, 24, 0.08);
            color: var(--accent);
            margin-top: 12px;
        }

        /* ===== Step Cards ===== */
        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            text-align: center;
            transition: all 0.4s ease;
            position: relative;
        }

        .step-card:hover {
            transform: translateY(-6px);
            border-color: rgba(245, 197, 24, 0.2);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
        }

        .step-card .step-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(245, 197, 24, 0.15), rgba(245, 197, 24, 0.05));
            border: 2px solid rgba(245, 197, 24, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 700;
            color: var(--accent);
            margin: 0 auto 18px;
            transition: all 0.4s ease;
        }

        .step-card:hover .step-number {
            background: var(--accent);
            color: #050d1a;
            box-shadow: 0 0 40px rgba(245, 197, 24, 0.3);
            transform: scale(1.08);
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }

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

        /* ===== Tool Cards ===== */
        .tool-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 24px 20px;
            display: flex;
            gap: 18px;
            align-items: flex-start;
            transition: all 0.4s ease;
        }

        .tool-card:hover {
            background: var(--bg-card-hover);
            transform: translateX(4px);
            border-color: rgba(245, 197, 24, 0.15);
        }

        .tool-card .tool-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: rgba(245, 197, 24, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent);
            flex-shrink: 0;
        }

        .tool-card h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .tool-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .tool-card .tool-badge {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 50px;
            font-size: 11px;
            background: rgba(245, 197, 24, 0.06);
            color: var(--accent);
            margin-top: 6px;
        }

        /* ===== Season Cards ===== */
        .season-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all 0.4s ease;
        }

        .season-card:hover {
            transform: translateY(-4px);
            border-color: rgba(245, 197, 24, 0.15);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
        }

        .season-card .season-header {
            padding: 20px 24px 16px;
            display: flex;
            align-items: center;
            gap: 12px;
            border-bottom: 1px solid rgba(245, 197, 24, 0.06);
        }

        .season-card .season-header .season-icon {
            font-size: 28px;
        }

        .season-card .season-header h3 {
            font-size: 18px;
            font-weight: 600;
        }

        .season-card .season-body {
            padding: 16px 24px 20px;
        }

        .season-card .season-body ul {
            list-style: none;
        }

        .season-card .season-body ul li {
            padding: 6px 0;
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .season-card .season-body ul li i {
            color: var(--accent);
            font-size: 12px;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 22px 24px;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: rgba(245, 197, 24, 0.12);
            background: var(--bg-card-hover);
        }

        .faq-item .faq-question {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .faq-item .faq-question i {
            color: var(--accent);
            font-size: 14px;
            transition: transform 0.3s ease;
        }

        .faq-item .faq-answer {
            margin-top: 12px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
            border-top: 1px solid rgba(245, 197, 24, 0.06);
            padding-top: 12px;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

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

        /* ===== Tags ===== */
        .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(245, 197, 24, 0.08);
            color: var(--accent);
            border: 1px solid rgba(245, 197, 24, 0.1);
            transition: all 0.3s ease;
        }

        .tag:hover {
            background: rgba(245, 197, 24, 0.15);
            transform: translateY(-1px);
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, #0f1f3a 0%, #15294a 100%);
            border: 1px solid rgba(245, 197, 24, 0.08);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 800px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 197, 24, 0.03) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-block h2 {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
        }

        .cta-block p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 500px;
            margin: 0 auto 28px;
            position: relative;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--accent), #d4a810);
            color: #050d1a;
            font-weight: 600;
            font-size: 16px;
            border: none;
            cursor: pointer;
            transition: all 0.4s ease;
            box-shadow: 0 8px 32px rgba(245, 197, 24, 0.2);
            position: relative;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 48px rgba(245, 197, 24, 0.35);
            background: linear-gradient(135deg, #ffd630, #e0b010);
        }

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

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            border: 1px solid rgba(245, 197, 24, 0.3);
            color: var(--accent);
            font-weight: 500;
            font-size: 14px;
            background: transparent;
            cursor: pointer;
            transition: all 0.4s ease;
        }

        .btn-outline:hover {
            background: rgba(245, 197, 24, 0.08);
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 197, 24, 0.1);
        }

        /* ===== Footer ===== */
        .footer {
            background: linear-gradient(180deg, #0a1628 0%, #050d1a 100%);
            border-top: 1px solid rgba(245, 197, 24, 0.06);
            padding: 56px 0 32px;
            margin-left: 240px;
        }

        .footer .grid-4 {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr 1fr;
            gap: 40px;
        }

        .footer h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .footer ul {
            list-style: none;
        }

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

        .footer ul li a {
            font-size: 13px;
            color: var(--text-muted);
            transition: all 0.3s ease;
        }

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

        .footer .bottom {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid rgba(245, 197, 24, 0.06);
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
            letter-spacing: 1px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .container-custom {
                padding: 0 28px;
            }

            .footer .grid-4 {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }

            .page-hero h1 {
                font-size: 38px;
            }
        }

        @media (max-width: 768px) {
            .mobile-header {
                display: flex;
            }

            .side-nav {
                transform: translateX(-100%);
                width: 280px;
                padding: 24px 18px;
            }

            .side-nav.open {
                transform: translateX(0);
            }

            .main-content {
                margin-left: 0;
                width: 100%;
                padding-top: 64px;
            }

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

            .container-custom {
                padding: 0 20px;
            }

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

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

            .page-hero p {
                font-size: 15px;
            }

            .section-block {
                padding: 48px 0;
            }

            .section-block .section-title {
                font-size: 26px;
            }

            .cta-block {
                padding: 36px 24px;
            }

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

            .footer .grid-4 {
                grid-template-columns: 1fr;
                gap: 24px;
            }

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

            .tool-card {
                flex-direction: column;
                gap: 12px;
            }

            .season-card .season-header {
                padding: 16px 18px 12px;
            }

            .season-card .season-body {
                padding: 12px 18px 16px;
            }

            .faq-item {
                padding: 16px 18px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }

            .page-hero h1 {
                font-size: 24px;
            }

            .page-hero .hero-badge {
                font-size: 11px;
                padding: 4px 14px;
            }

            .section-block .section-title {
                font-size: 22px;
            }

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

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

            .btn-primary {
                padding: 12px 28px;
                font-size: 14px;
            }

            .btn-outline {
                padding: 10px 22px;
                font-size: 13px;
            }

            .cta-block {
                padding: 28px 18px;
            }

            .cta-block h2 {
                font-size: 20px;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }

        ::-webkit-scrollbar-track {
            background: #050d1a;
        }

        ::-webkit-scrollbar-thumb {
            background: rgba(245, 197, 24, 0.15);
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: rgba(245, 197, 24, 0.25);
        }

        /* ===== Utility ===== */
        .text-accent {
            color: var(--accent);
        }

        .bg-accent-soft {
            background: rgba(245, 197, 24, 0.06);
        }

        .border-accent-soft {
            border-color: rgba(245, 197, 24, 0.1);
        }

        .glow-accent {
            box-shadow: 0 0 40px rgba(245, 197, 24, 0.06);
        }

        /* ===== Overlay for mobile ===== */
        .nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
            z-index: 998;
        }

        .nav-overlay.show {
            display: block;
        }

        @media (max-width: 768px) {
            .nav-overlay.show {
                display: block;
            }
        }