/* roulang page: index */
:root {
            --sidebar-w: 260px;
            --color-primary: #c8a45c;
            --color-primary-hover: #d9b86e;
            --color-primary-light: #f5edd8;
            --color-dark: #141820;
            --color-dark-2: #1c212b;
            --color-dark-3: #252b36;
            --color-accent: #b8383a;
            --color-accent-hover: #c94446;
            --color-text: #1e1e1e;
            --color-text-soft: #5a5a5a;
            --color-text-muted: #8a8a8a;
            --color-bg: #f7f6f3;
            --color-bg-white: #ffffff;
            --color-border: #e2dfd8;
            --color-border-light: #ece9e2;
            --color-success: #2d8a4e;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.09);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.11);
            --shadow-xl: 0 16px 48px rgba(0,0,0,0.14);
            --font-sans: 'Segoe UI','PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;
            --font-mono: 'SF Mono','Consolas','Monaco',monospace;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --section-gap: 64px;
        }
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
        body{font-family:var(--font-sans);font-size:16px;line-height:1.65;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh}
        a{color:inherit;text-decoration:none;transition:color var(--transition-fast)}
        img{max-width:100%;height:auto;display:block}
        button,input{font-family:inherit;font-size:inherit;border:none;outline:none;cursor:pointer}
        ul,ol{list-style:none}
        h1,h2,h3,h4,h5,h6{line-height:1.25;font-weight:700;color:var(--color-dark)}
        .app-layout{display:flex;min-height:100vh}
        .sidebar{position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);background:var(--color-dark);z-index:1000;display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden;border-right:1px solid rgba(255,255,255,0.06);transition:transform var(--transition-base)}
        .sidebar-brand{padding:28px 24px 20px;border-bottom:1px solid rgba(255,255,255,0.07)}
        .sidebar-logo{display:flex;align-items:center;gap:12px;font-size:22px;font-weight:800;color:#ffffff;letter-spacing:0.5px}
        .sidebar-logo .logo-icon{width:40px;height:40px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--color-primary) 0%,#b8943a 100%);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--color-dark);flex-shrink:0;font-weight:900}
        .sidebar-nav{flex:1;padding:16px 14px}
        .sidebar-nav ul{display:flex;flex-direction:column;gap:4px}
        .sidebar-nav a{display:flex;align-items:center;gap:12px;padding:11px 16px;border-radius:var(--radius-md);color:rgba(255,255,255,0.72);font-size:15px;font-weight:500;transition:all var(--transition-fast);position:relative}
        .sidebar-nav a:hover{color:#ffffff;background:rgba(255,255,255,0.06)}
        .sidebar-nav a.active{color:#ffffff;background:rgba(200,164,92,0.13);font-weight:600}
        .sidebar-nav a.active::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:22px;border-radius:0 3px 3px 0;background:var(--color-primary)}
        .sidebar-nav .nav-icon{width:20px;text-align:center;font-size:16px;flex-shrink:0}
        .sidebar-footer{padding:16px 24px 24px;border-top:1px solid rgba(255,255,255,0.07)}
        .sidebar-footer .badge-tag{display:inline-block;padding:6px 14px;border-radius:20px;background:rgba(200,164,92,0.15);color:var(--color-primary);font-size:12px;font-weight:600;letter-spacing:1px}
        .main-content{flex:1;margin-left:var(--sidebar-w);min-width:0;display:flex;flex-direction:column}
        .mobile-header{display:none;position:sticky;top:0;z-index:999;background:var(--color-dark);padding:14px 18px;align-items:center;justify-content:space-between}
        .mobile-header .m-logo{font-size:19px;font-weight:800;color:#fff;display:flex;align-items:center;gap:10px}
        .mobile-header .m-logo .logo-icon{width:34px;height:34px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--color-primary) 0%,#b8943a 100%);display:flex;align-items:center;justify-content:center;font-size:17px;color:var(--color-dark);font-weight:900}
        .hamburger{width:36px;height:36px;display:flex;flex-direction:column;justify-content:center;gap:6px;background:none;padding:6px;border-radius:var(--radius-sm)}
        .hamburger span{display:block;width:100%;height:2.5px;background:#fff;border-radius:2px;transition:all var(--transition-fast)}
        .hamburger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
        .hamburger.open span:nth-child(2){opacity:0}
        .hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(7px,-7px)}
        .sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.55);z-index:999;transition:opacity var(--transition-base)}

        .hero-section{position:relative;background:linear-gradient(160deg,var(--color-dark-2) 0%,var(--color-dark) 40%,#1a1d28 100%);color:#fff;padding:80px 60px 90px;overflow:hidden;min-height:520px;display:flex;align-items:center}
        .hero-bg{position:absolute;inset:0;opacity:0.18;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;background-repeat:no-repeat;mix-blend-mode:overlay}
        .hero-pattern{position:absolute;inset:0;background:radial-gradient(ellipse at 30% 50%,rgba(200,164,92,0.08) 0%,transparent 60%),radial-gradient(ellipse at 70% 30%,rgba(184,56,58,0.06) 0%,transparent 55%)}
        .hero-inner{position:relative;z-index:2;max-width:780px}
        .hero-badge{display:inline-block;padding:7px 18px;border-radius:20px;background:rgba(200,164,92,0.18);color:var(--color-primary);font-size:13px;font-weight:600;letter-spacing:1.5px;margin-bottom:24px;border:1px solid rgba(200,164,92,0.25)}
        .hero-inner h1{font-size:clamp(2.4rem,5vw,3.6rem);font-weight:800;color:#fff;margin-bottom:20px;letter-spacing:-0.3px;line-height:1.15}
        .hero-inner h1 em{font-style:normal;color:var(--color-primary);position:relative}
        .hero-inner .hero-desc{font-size:1.1rem;color:rgba(255,255,255,0.75);line-height:1.7;margin-bottom:36px;max-width:620px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:14px}
        .btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:var(--radius-md);font-weight:600;font-size:15px;transition:all var(--transition-base);letter-spacing:0.3px;white-space:nowrap}
        .btn-primary{background:var(--color-primary);color:var(--color-dark);box-shadow:0 4px 14px rgba(200,164,92,0.35)}
        .btn-primary:hover{background:var(--color-primary-hover);transform:translateY(-2px);box-shadow:0 8px 24px rgba(200,164,92,0.45)}
        .btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,0.35)}
        .btn-outline:hover{background:rgba(255,255,255,0.08);border-color:rgba(255,255,255,0.6);transform:translateY(-2px)}
        .btn-accent{background:var(--color-accent);color:#fff;box-shadow:0 4px 14px rgba(184,56,58,0.35)}
        .btn-accent:hover{background:var(--color-accent-hover);transform:translateY(-2px);box-shadow:0 8px 24px rgba(184,56,58,0.45)}
        .hero-stats-row{display:flex;gap:40px;margin-top:44px;flex-wrap:wrap}
        .hero-stat{text-align:left}
        .hero-stat .stat-num{font-size:2rem;font-weight:800;color:var(--color-primary);line-height:1}
        .hero-stat .stat-label{font-size:13px;color:rgba(255,255,255,0.55);margin-top:6px;letter-spacing:0.5px}

        .section{padding:var(--section-gap) 60px}
        .section-header{text-align:center;margin-bottom:44px}
        .section-tag{display:inline-block;padding:5px 16px;border-radius:20px;background:var(--color-primary-light);color:#8a6d20;font-size:12px;font-weight:700;letter-spacing:1.5px;margin-bottom:12px}
        .section-title{font-size:clamp(1.8rem,3.5vw,2.4rem);font-weight:800;color:var(--color-dark);margin-bottom:8px}
        .section-subtitle{font-size:1rem;color:var(--color-text-soft);max-width:560px;margin:0 auto}

        .features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:1100px;margin:0 auto}
        .feature-card{background:var(--color-bg-white);border-radius:var(--radius-lg);padding:32px 28px;border:1px solid var(--color-border-light);transition:all var(--transition-base);position:relative;overflow:hidden}
        .feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
        .feature-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--color-primary),var(--color-accent));opacity:0;transition:opacity var(--transition-base)}
        .feature-card:hover::before{opacity:1}
        .feature-icon{width:48px;height:48px;border-radius:var(--radius-sm);background:var(--color-primary-light);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:18px;color:#8a6d20}
        .feature-card h3{font-size:1.15rem;margin-bottom:8px;color:var(--color-dark)}
        .feature-card p{font-size:0.92rem;color:var(--color-text-soft);line-height:1.6}

        .category-entries{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;max-width:1000px;margin:0 auto}
        .category-card{background:var(--color-bg-white);border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--color-border-light);transition:all var(--transition-base);display:flex;flex-direction:column}
        .category-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
        .category-card .card-img-wrap{height:200px;overflow:hidden;position:relative}
        .category-card .card-img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow)}
        .category-card:hover .card-img-wrap img{transform:scale(1.06)}
        .category-card .card-img-badge{position:absolute;top:14px;left:14px;padding:5px 12px;border-radius:14px;background:rgba(0,0,0,0.6);color:#fff;font-size:11px;font-weight:600;letter-spacing:1px;backdrop-filter:blur(4px)}
        .category-card .card-body{padding:22px 24px 28px;flex:1;display:flex;flex-direction:column}
        .category-card h3{font-size:1.2rem;margin-bottom:8px}
        .category-card p{font-size:0.9rem;color:var(--color-text-soft);margin-bottom:16px;flex:1}
        .category-card .card-link{font-weight:600;font-size:14px;color:var(--color-accent);display:inline-flex;align-items:center;gap:6px;transition:gap var(--transition-fast)}
        .category-card .card-link:hover{gap:10px;color:var(--color-accent-hover)}

        .news-list-section{background:var(--color-bg-white);border-radius:var(--radius-xl);padding:44px 36px;max-width:1000px;margin:0 auto;border:1px solid var(--color-border-light);box-shadow:var(--shadow-xs)}
        .news-list-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;flex-wrap:wrap;gap:12px}
        .news-list-header h2{font-size:1.5rem;font-weight:800}
        .news-list-header .view-all{font-size:14px;font-weight:600;color:var(--color-accent)}
        .news-list-header .view-all:hover{text-decoration:underline}
        .news-item{display:flex;align-items:flex-start;gap:20px;padding:18px 0;border-bottom:1px solid var(--color-border-light);transition:all var(--transition-fast)}
        .news-item:last-child{border-bottom:none}
        .news-item:hover{background:var(--color-bg);margin:0 -16px;padding-left:16px;padding-right:16px;border-radius:var(--radius-sm)}
        .news-item .news-date{flex-shrink:0;width:56px;text-align:center;padding:8px 0;border-radius:var(--radius-sm);background:var(--color-bg);font-weight:700;color:var(--color-accent);font-size:13px;line-height:1.2}
        .news-item .news-date span{display:block;font-size:20px}
        .news-item .news-body{flex:1;min-width:0}
        .news-item .news-body h4{font-size:1rem;margin-bottom:4px;font-weight:600;line-height:1.4}
        .news-item .news-body h4 a:hover{color:var(--color-accent)}
        .news-item .news-body .news-excerpt{font-size:0.85rem;color:var(--color-text-muted);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
        .news-item .news-tag{flex-shrink:0;padding:4px 12px;border-radius:14px;background:var(--color-primary-light);color:#8a6d20;font-size:11px;font-weight:600}
        .news-empty{text-align:center;padding:40px 20px;color:var(--color-text-muted);font-size:0.95rem}

        .rank-section{background:linear-gradient(180deg,var(--color-dark) 0%,var(--color-dark-2) 100%);color:#fff;padding:var(--section-gap) 60px}
        .rank-section .section-tag{background:rgba(200,164,92,0.15);color:var(--color-primary)}
        .rank-section .section-title{color:#fff}
        .rank-section .section-subtitle{color:rgba(255,255,255,0.6)}
        .rank-table-wrap{max-width:900px;margin:0 auto;background:rgba(255,255,255,0.03);border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(255,255,255,0.08)}
        .rank-row{display:flex;align-items:center;padding:16px 24px;border-bottom:1px solid rgba(255,255,255,0.05);transition:background var(--transition-fast);gap:16px}
        .rank-row:last-child{border-bottom:none}
        .rank-row:hover{background:rgba(255,255,255,0.04)}
        .rank-row.header-row{background:rgba(200,164,92,0.08);font-weight:700;font-size:13px;letter-spacing:1px;color:var(--color-primary);text-transform:uppercase}
        .rank-pos{width:40px;text-align:center;font-weight:800;font-size:1.1rem;flex-shrink:0}
        .rank-pos.top{color:var(--color-primary)}
        .rank-name{flex:1;font-weight:600;min-width:0}
        .rank-score{width:80px;text-align:right;font-weight:700;color:var(--color-primary);flex-shrink:0;font-family:var(--font-mono)}
        .rank-trend{width:50px;text-align:center;flex-shrink:0;font-size:14px}
        .rank-trend.up{color:#4caf84}
        .rank-trend.down{color:var(--color-accent)}
        .rank-badge-medal{width:28px;height:28px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}
        .rank-badge-medal.gold{background:rgba(200,164,92,0.25);color:var(--color-primary)}
        .rank-badge-medal.silver{background:rgba(180,180,190,0.2);color:#c0c0c8}
        .rank-badge-medal.bronze{background:rgba(180,130,90,0.2);color:#c8a080}

        .faq-section{max-width:860px;margin:0 auto}
        .faq-list{display:flex;flex-direction:column;gap:12px}
        .faq-item{background:var(--color-bg-white);border-radius:var(--radius-md);border:1px solid var(--color-border-light);overflow:hidden;transition:all var(--transition-fast)}
        .faq-item:hover{border-color:var(--color-border)}
        .faq-q{width:100%;text-align:left;padding:18px 22px;font-weight:600;font-size:0.98rem;background:none;color:var(--color-dark);display:flex;align-items:center;justify-content:space-between;gap:12px}
        .faq-q .faq-arrow{flex-shrink:0;transition:transform var(--transition-fast);font-size:12px;color:var(--color-text-muted)}
        .faq-item.open .faq-arrow{transform:rotate(180deg);color:var(--color-primary)}
        .faq-a{padding:0 22px 18px;font-size:0.9rem;color:var(--color-text-soft);line-height:1.65;display:none}
        .faq-item.open .faq-a{display:block}

        .cta-section{text-align:center;background:linear-gradient(150deg,var(--color-dark-2) 0%,#1e1f2a 100%);color:#fff;padding:var(--section-gap) 60px;border-radius:var(--radius-xl);max-width:1000px;margin:0 auto}
        .cta-section h2{color:#fff;font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:12px}
        .cta-section p{color:rgba(255,255,255,0.65);margin-bottom:28px;font-size:1rem;max-width:520px;margin-left:auto;margin-right:auto}
        .cta-section .btn-primary{font-size:16px;padding:15px 36px}

        .site-footer{background:var(--color-dark);color:rgba(255,255,255,0.55);padding:40px 60px 28px;margin-top:auto}
        .footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;max-width:1100px}
        .footer-brand{font-weight:700;color:#fff;font-size:15px}
        .footer-links{display:flex;gap:24px;flex-wrap:wrap}
        .footer-links a{color:rgba(255,255,255,0.5);font-size:13px;transition:color var(--transition-fast)}
        .footer-links a:hover{color:var(--color-primary)}
        .footer-copy{font-size:12px;color:rgba(255,255,255,0.35)}

        @media(max-width:1024px){
            :root{--sidebar-w:220px;--section-gap:48px}
            .section{padding:var(--section-gap) 32px}
            .hero-section{padding:60px 32px 70px;min-height:420px}
            .features-grid{grid-template-columns:repeat(2,1fr);gap:16px}
            .category-entries{grid-template-columns:1fr 1fr;gap:20px}
            .rank-section{padding:var(--section-gap) 32px}
            .cta-section{margin:0 32px;padding:var(--section-gap) 32px}
        }
        @media(max-width:768px){
            :root{--sidebar-w:0;--section-gap:40px}
            .sidebar{transform:translateX(-100%);width:260px;z-index:1001}
            .sidebar.open{transform:translateX(0)}
            .sidebar-overlay.active{display:block}
            .main-content{margin-left:0}
            .mobile-header{display:flex}
            .hero-section{padding:48px 20px 56px;min-height:360px}
            .hero-inner h1{font-size:1.8rem}
            .hero-stats-row{gap:24px;margin-top:28px}
            .hero-stat .stat-num{font-size:1.5rem}
            .section{padding:var(--section-gap) 20px}
            .features-grid{grid-template-columns:1fr;gap:14px}
            .feature-card{padding:24px 20px}
            .category-entries{grid-template-columns:1fr;gap:18px}
            .category-card .card-img-wrap{height:160px}
            .news-list-section{padding:28px 18px}
            .news-item{gap:12px;padding:14px 0}
            .news-item .news-date{width:44px;font-size:11px}
            .news-item .news-date span{font-size:16px}
            .rank-section{padding:var(--section-gap) 20px}
            .rank-row{padding:12px 14px;gap:8px;font-size:13px}
            .rank-pos{width:28px;font-size:0.9rem}
            .rank-score{width:60px;font-size:13px}
            .faq-q{padding:15px 16px;font-size:0.9rem}
            .faq-a{padding:0 16px 14px}
            .cta-section{margin:0 16px;padding:var(--section-gap) 20px;border-radius:var(--radius-lg)}
            .site-footer{padding:28px 20px 20px}
            .footer-inner{flex-direction:column;text-align:center}
            .footer-links{justify-content:center}
            .section-header{margin-bottom:28px}
        }
        @media(max-width:520px){
            .hero-actions{flex-direction:column;width:100%}
            .hero-actions .btn{justify-content:center;width:100%}
            .hero-stats-row{gap:16px}
            .hero-stat .stat-num{font-size:1.3rem}
            .rank-row{font-size:12px;padding:10px 10px}
            .rank-score{width:48px;font-size:11px}
            .rank-trend{width:36px;font-size:11px}
            .news-item{flex-wrap:wrap}
            .news-item .news-tag{margin-left:auto}
        }

/* roulang page: article */
:root {
            --primary: #1a1f2e;
            --primary-light: #252b3d;
            --accent: #c9a96e;
            --accent-light: #e0d0a8;
            --accent-dark: #b0894f;
            --bg: #f8f6f2;
            --bg-warm: #f3efe8;
            --white: #ffffff;
            --text: #2c2c2c;
            --text-heading: #1a1f2e;
            --text-light: #6b7280;
            --text-muted: #9ca3af;
            --border: #e5e0d8;
            --border-light: #efe9e0;
            --shadow-sm: 0 1px 3px rgba(26,31,46,0.05);
            --shadow: 0 2px 12px rgba(26,31,46,0.07);
            --shadow-md: 0 6px 24px rgba(26,31,46,0.09);
            --shadow-lg: 0 12px 40px rgba(26,31,46,0.11);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --sidebar-width: 260px;
            --sidebar-collapsed: 72px;
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }

        *,
        *::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);
            color: var(--text);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
        }

        input,
        textarea {
            font-family: inherit;
        }

        /* ============ SIDEBAR NAVIGATION ============ */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--primary);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            box-shadow: 2px 0 24px rgba(26,31,46,0.18);
            transition: transform var(--transition), width var(--transition);
        }

        .sidebar-brand {
            padding: 28px 24px 22px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }

        .sidebar-brand a {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .sidebar-brand .brand-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
            color: #fff;
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 14px;
            overflow-y: auto;
        }

        .sidebar-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .sidebar-nav li a {
            display: flex;
            align-items: center;
            gap: 11px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: rgba(255,255,255,0.72);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .sidebar-nav li a .nav-icon {
            font-size: 1.15rem;
            width: 24px;
            text-align: center;
            flex-shrink: 0;
            opacity: 0.75;
            transition: opacity var(--transition);
        }

        .sidebar-nav li a:hover {
            background: rgba(255,255,255,0.07);
            color: #ffffff;
        }

        .sidebar-nav li a:hover .nav-icon {
            opacity: 1;
        }

        .sidebar-nav li a.active {
            background: rgba(201,169,110,0.15);
            color: var(--accent-light);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--accent);
        }

        .sidebar-nav li a.active .nav-icon {
            opacity: 1;
        }

        .sidebar-footer-meta {
            padding: 16px 20px;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 0.78rem;
            color: rgba(255,255,255,0.35);
            text-align: center;
        }

        /* ============ MAIN CONTENT AREA ============ */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            flex: 1;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            transition: margin-left var(--transition);
        }

        .main-content {
            flex: 1;
        }

        /* ============ ARTICLE BANNER ============ */
        .article-banner {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            min-height: 320px;
            display: flex;
            align-items: flex-end;
            padding: 48px 40px 36px;
            isolation: isolate;
        }

        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26,31,46,0.35) 0%, rgba(26,31,46,0.78) 60%, rgba(26,31,46,0.92) 100%);
            z-index: 0;
        }

        .article-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 50%, var(--accent) 100%);
            z-index: 1;
        }

        .article-banner-content {
            position: relative;
            z-index: 2;
            max-width: 820px;
            width: 100%;
        }

        .article-banner-content .banner-category {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 0.82rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }

        .article-banner-content h1 {
            font-size: 2.15rem;
            font-weight: 700;
            color: #ffffff;
            line-height: 1.35;
            letter-spacing: 0.01em;
            margin-bottom: 10px;
        }

        .article-banner-content .banner-meta {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.7);
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .article-banner-content .banner-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb-wrap {
            background: var(--white);
            border-bottom: 1px solid var(--border-light);
            padding: 0 40px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 14px 0;
            font-size: 0.85rem;
            color: var(--text-light);
            flex-wrap: wrap;
            max-width: 860px;
        }

        .breadcrumb a {
            color: var(--text-light);
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--accent-dark);
        }

        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ============ ARTICLE BODY AREA ============ */
        .article-body-section {
            background: var(--white);
            padding: 40px;
            max-width: 860px;
            margin: 0 auto;
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            box-shadow: var(--shadow-sm);
        }

        .article-featured-image {
            margin: -20px -20px 28px -20px;
            border-radius: var(--radius);
            overflow: hidden;
        }

        .article-featured-image img {
            width: 100%;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }

        .article-meta-row {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            padding-bottom: 18px;
            margin-bottom: 24px;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.85rem;
            color: var(--text-light);
        }

        .article-meta-row .meta-tag {
            background: var(--bg-warm);
            color: var(--text);
            padding: 4px 12px;
            border-radius: 14px;
            font-weight: 500;
            font-size: 0.8rem;
        }

        .article-meta-row .meta-date {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text);
            word-break: break-word;
        }

        .article-content h2 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--text-heading);
            margin: 32px 0 14px;
            padding-left: 16px;
            border-left: 4px solid var(--accent);
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-heading);
            margin: 26px 0 10px;
            line-height: 1.4;
        }

        .article-content p {
            margin-bottom: 16px;
        }

        .article-content ul,
        .article-content ol {
            margin: 12px 0 18px 20px;
        }

        .article-content li {
            margin-bottom: 8px;
        }

        .article-content blockquote {
            border-left: 3px solid var(--accent);
            background: var(--bg-warm);
            padding: 16px 20px;
            margin: 20px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: #4a4a4a;
        }

        .article-content img {
            border-radius: var(--radius);
            margin: 18px 0;
            box-shadow: var(--shadow-sm);
        }

        .article-content a {
            color: var(--accent-dark);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content a:hover {
            color: var(--primary);
        }

        .article-content strong {
            color: var(--text-heading);
            font-weight: 600;
        }

        /* ============ ARTICLE FOOTER TAGS ============ */
        .article-tags-section {
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .article-tags-section .tags-label {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-light);
        }

        .article-tags-section .tag-pill {
            display: inline-block;
            background: var(--bg-warm);
            color: var(--text);
            font-size: 0.8rem;
            padding: 5px 13px;
            border-radius: 16px;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .article-tags-section .tag-pill:hover {
            background: var(--accent-light);
            border-color: var(--accent);
            color: var(--primary);
        }

        /* ============ NOT FOUND STATE ============ */
        .not-found-section {
            background: var(--white);
            padding: 60px 40px;
            max-width: 860px;
            margin: 0 auto;
            text-align: center;
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            box-shadow: var(--shadow-sm);
        }

        .not-found-section .nf-icon {
            font-size: 4rem;
            margin-bottom: 16px;
            opacity: 0.6;
        }

        .not-found-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 10px;
        }

        .not-found-section p {
            color: var(--text-light);
            margin-bottom: 24px;
            font-size: 1rem;
        }

        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 25px;
            font-size: 0.95rem;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn-back:hover {
            background: var(--accent-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            color: #fff;
        }

        /* ============ RELATED ARTICLES ============ */
        .related-section {
            max-width: 900px;
            margin: 40px auto 0;
            padding: 0 20px 40px;
        }

        .related-section .section-label {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 20px;
            padding-left: 16px;
            border-left: 4px solid var(--accent);
            letter-spacing: 0.02em;
        }

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

        .related-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .related-card-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-warm);
        }

        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

        .related-card:hover .related-card-img img {
            transform: scale(1.04);
        }

        .related-card-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-card-body .rel-category {
            font-size: 0.75rem;
            color: var(--accent-dark);
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }

        .related-card-body h3 {
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text-heading);
            line-height: 1.45;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card-body .rel-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: auto;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--primary);
            padding: 28px 40px;
            margin-top: 0;
            border-top: 4px solid var(--accent);
        }

        .footer-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            max-width: 900px;
            margin: 0 auto;
        }

        .footer-brand {
            font-weight: 700;
            font-size: 1.05rem;
            color: #ffffff;
            letter-spacing: 0.03em;
        }

        .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: rgba(255,255,255,0.65);
            font-size: 0.85rem;
            transition: color var(--transition);
        }

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

        .footer-copy {
            font-size: 0.78rem;
            color: rgba(255,255,255,0.4);
        }

        /* ============ MOBILE NAV TOGGLE ============ */
        .mobile-nav-toggle {
            display: none;
            position: fixed;
            top: 12px;
            left: 12px;
            z-index: 1100;
            width: 40px;
            height: 40px;
            background: var(--primary);
            border: none;
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 1.3rem;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-md);
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.5);
            z-index: 999;
        }

        .sidebar-overlay.active {
            display: block;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .article-banner {
                min-height: 260px;
                padding: 36px 28px 28px;
            }
            .article-banner-content h1 {
                font-size: 1.75rem;
            }
            .article-body-section {
                padding: 28px;
                margin: 0 16px;
            }
            .breadcrumb-wrap {
                padding: 0 20px;
            }
            .related-section {
                padding: 0 16px 32px;
            }
            .related-grid {
                gap: 14px;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
                width: 270px;
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .sidebar-overlay.active {
                display: block;
            }
            .mobile-nav-toggle {
                display: flex;
            }
            .main-wrapper {
                margin-left: 0;
            }
            .article-banner {
                min-height: 220px;
                padding: 24px 18px 22px;
                border-radius: 0;
            }
            .article-banner-content h1 {
                font-size: 1.4rem;
            }
            .article-banner-content .banner-category {
                font-size: 0.75rem;
                padding: 4px 10px;
            }
            .article-banner-content .banner-meta {
                font-size: 0.78rem;
                gap: 10px;
            }
            .breadcrumb-wrap {
                padding: 0 14px;
            }
            .breadcrumb {
                font-size: 0.78rem;
                padding: 10px 0;
                gap: 5px;
            }
            .article-body-section {
                padding: 20px 16px;
                margin: 0;
                border-radius: 0;
            }
            .article-featured-image {
                margin: -10px -10px 20px -10px;
            }
            .article-content {
                font-size: 0.98rem;
                line-height: 1.8;
            }
            .article-content h2 {
                font-size: 1.25rem;
                margin: 24px 0 10px;
            }
            .article-content h3 {
                font-size: 1.08rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .related-section {
                padding: 0 12px 28px;
                margin-top: 28px;
            }
            .related-section .section-label {
                font-size: 1.1rem;
            }
            .not-found-section {
                padding: 40px 20px;
                margin: 0;
                border-radius: 0;
            }
            .site-footer {
                padding: 20px 16px;
            }
            .footer-inner {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .footer-links {
                justify-content: center;
                gap: 14px;
            }
        }

        @media (max-width: 520px) {
            .article-banner {
                min-height: 180px;
                padding: 18px 12px 16px;
            }
            .article-banner-content h1 {
                font-size: 1.18rem;
            }
            .article-banner-content .banner-meta {
                font-size: 0.72rem;
                gap: 6px;
            }
            .article-body-section {
                padding: 14px 12px;
            }
            .article-content {
                font-size: 0.93rem;
                line-height: 1.75;
            }
            .article-tags-section {
                gap: 6px;
            }
            .article-tags-section .tag-pill {
                font-size: 0.72rem;
                padding: 4px 10px;
            }
            .btn-back {
                padding: 10px 22px;
                font-size: 0.88rem;
            }
            .related-card-body h3 {
                font-size: 0.9rem;
            }
            .site-footer {
                padding: 16px 10px;
            }
            .footer-copy {
                font-size: 0.7rem;
            }
        }

        /* ============ SCROLLBAR ============ */
        .sidebar-nav::-webkit-scrollbar {
            width: 4px;
        }
        .sidebar-nav::-webkit-scrollbar-track {
            background: transparent;
        }
        .sidebar-nav::-webkit-scrollbar-thumb {
            background: rgba(255,255,255,0.15);
            border-radius: 4px;
        }

/* roulang page: category1 */
:root {
            --color-primary: #0f1a2e;
            --color-primary-light: #1a2d4a;
            --color-accent: #c8a45c;
            --color-accent-light: #d9bc7e;
            --color-accent-pale: #f5eedf;
            --color-bg: #f6f5f1;
            --color-bg-alt: #edece6;
            --color-white: #ffffff;
            --color-text: #1a1a1a;
            --color-text-secondary: #5a5d63;
            --color-text-weak: #8b8e94;
            --color-border: #e5e7eb;
            --color-border-light: #f0f1f3;
            --color-success: #2d8b4e;
            --color-warning: #d4842a;
            --color-danger: #c44040;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 6px 24px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.1), 0 4px 12px rgba(0, 0, 0, 0.06);
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --sidebar-width: 240px;
            --header-mobile-height: 60px;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: row;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }

        /* ===== Sidebar ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-primary);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            overflow-y: auto;
            box-shadow: 2px 0 20px rgba(0, 0, 0, 0.15);
            transition: transform var(--transition-slow);
        }

        .sidebar-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .sidebar-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .sidebar-brand a:hover {
            color: var(--color-accent);
        }
        .brand-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
            box-shadow: 0 0 10px rgba(200, 164, 92, 0.5);
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 0;
        }
        .sidebar-nav ul {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .sidebar-nav li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 24px;
            font-size: 0.95rem;
            font-weight: 500;
            color: #b0b8c4;
            transition: all var(--transition-fast);
            border-left: 3px solid transparent;
            letter-spacing: 0.01em;
        }
        .sidebar-nav li a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.04);
            border-left-color: rgba(200, 164, 92, 0.5);
        }
        .sidebar-nav li a.active {
            color: var(--color-accent);
            background: rgba(200, 164, 92, 0.08);
            border-left-color: var(--color-accent);
            font-weight: 600;
        }
        .nav-icon {
            font-size: 1.1rem;
            width: 24px;
            text-align: center;
            flex-shrink: 0;
        }

        .sidebar-footer-info {
            padding: 20px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .sidebar-footer-info .mini-stat {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: #7a8290;
            margin-bottom: 6px;
        }
        .sidebar-footer-info .mini-stat .stat-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
        }
        .sidebar-footer-info .mini-stat:last-child {
            margin-bottom: 0;
        }

        /* ===== Main Content Area ===== */
        .main-area {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        /* Mobile Header */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-mobile-height);
            background: var(--color-primary);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 18px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }
        .mobile-header .mobile-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mobile-header .mobile-brand .brand-dot {
            width: 8px;
            height: 8px;
        }
        .mobile-menu-toggle {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            font-size: 1.4rem;
            transition: background var(--transition-fast);
        }
        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 998;
        }
        .mobile-overlay.show {
            display: block;
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            background: var(--color-primary-light);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            padding: 56px 40px 48px;
            color: #ffffff;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 46, 0.85) 0%, rgba(15, 26, 46, 0.55) 50%, rgba(15, 26, 46, 0.8) 100%);
            z-index: 1;
        }
        .page-banner-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
        }
        .page-banner .breadcrumb-row {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .page-banner .breadcrumb-row a {
            color: rgba(255, 255, 255, 0.7);
        }
        .page-banner .breadcrumb-row a:hover {
            color: var(--color-accent);
        }
        .page-banner .breadcrumb-row .sep {
            color: rgba(255, 255, 255, 0.4);
        }
        .page-banner h1 {
            font-size: 2.4rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .page-banner .banner-subtitle {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            line-height: 1.6;
        }
        .page-banner .banner-stats-row {
            display: flex;
            gap: 32px;
            margin-top: 24px;
            flex-wrap: wrap;
        }
        .page-banner .banner-stat {
            display: flex;
            flex-direction: column;
        }
        .page-banner .banner-stat .stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
        }
        .page-banner .banner-stat .stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }

        /* ===== Content Wrapper ===== */
        .content-wrapper {
            max-width: 1100px;
            margin: 0 auto;
            padding: 40px 32px;
            width: 100%;
        }

        /* ===== Section ===== */
        .section-header {
            margin-bottom: 28px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }
        .section-header h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.01em;
        }
        .section-header .section-subtitle {
            font-size: 0.9rem;
            color: var(--color-text-weak);
        }

        /* ===== Filter Bar ===== */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 14px 18px;
            box-shadow: var(--shadow-sm);
            margin-bottom: 28px;
            border: 1px solid var(--color-border-light);
        }
        .filter-bar .filter-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            white-space: nowrap;
            margin-right: 6px;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            background: var(--color-white);
            white-space: nowrap;
        }
        .filter-chip:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: var(--color-accent-pale);
        }
        .filter-chip.active {
            background: var(--color-accent);
            color: #ffffff;
            border-color: var(--color-accent);
            font-weight: 600;
        }
        .filter-sort {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .filter-sort select {
            padding: 7px 12px;
            border-radius: 20px;
            border: 1px solid var(--color-border);
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            background: var(--color-white);
            cursor: pointer;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235a5d63' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            padding-right: 32px;
        }

        /* ===== Article Cards Grid ===== */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 36px;
        }
        .article-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
            cursor: pointer;
        }
        .article-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .article-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--color-bg-alt);
        }
        .article-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-slow);
        }
        .article-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .article-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #ffffff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            letter-spacing: 0.02em;
            z-index: 2;
        }
        .article-card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 8px;
            color: var(--color-text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card .card-excerpt {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.55;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }
        .article-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--color-text-weak);
            border-top: 1px solid var(--color-border-light);
            padding-top: 12px;
        }
        .article-card .card-meta .meta-date {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .article-card .card-meta .meta-views {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== Pagination ===== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 8px;
            margin-bottom: 48px;
            flex-wrap: wrap;
        }
        .pagination .page-btn {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            background: var(--color-white);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
        }
        .pagination .page-btn:hover {
            background: var(--color-accent-pale);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .pagination .page-btn.active {
            background: var(--color-accent);
            color: #ffffff;
            border-color: var(--color-accent);
            font-weight: 700;
            box-shadow: 0 2px 8px rgba(200, 164, 92, 0.35);
        }
        .pagination .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }
        .pagination .page-ellipsis {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-weak);
            font-size: 0.9rem;
        }

        /* ===== Hot Tags Section ===== */
        .hot-tags-section {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            box-shadow: var(--shadow-sm);
            margin-bottom: 48px;
            border: 1px solid var(--color-border-light);
        }
        .hot-tags-section h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--color-text);
        }
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-item {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            background: var(--color-bg);
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }
        .tag-item:hover {
            background: var(--color-accent-pale);
            color: var(--color-accent);
            border-color: var(--color-accent);
        }
        .tag-item.hot {
            background: #fef5e7;
            color: #b07d20;
            font-weight: 600;
            border-color: #f0d89c;
        }

        /* ===== FAQ ===== */
        .faq-section {
            margin-bottom: 48px;
        }
        .faq-section .section-header {
            margin-bottom: 20px;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .faq-item .faq-question {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .faq-item .faq-question::after {
            content: '+';
            font-size: 1.3rem;
            font-weight: 400;
            color: var(--color-text-weak);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question::after {
            content: '−';
            color: var(--color-accent);
        }
        .faq-item .faq-answer {
            margin-top: 10px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--color-primary);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            margin-bottom: 48px;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 46, 0.9) 0%, rgba(15, 26, 46, 0.7) 100%);
            z-index: 1;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-section h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--color-accent);
            color: #ffffff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: 30px;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            box-shadow: 0 4px 16px rgba(200, 164, 92, 0.4);
        }
        .cta-btn:hover {
            background: var(--color-accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 164, 92, 0.5);
            color: #ffffff;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-primary);
            color: #b0b8c4;
            padding: 32px 40px;
            margin-top: auto;
        }
        .footer-inner {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
        }
        .footer-brand {
            font-weight: 700;
            color: #ffffff;
            font-size: 1rem;
            letter-spacing: 0.02em;
        }
        .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .footer-links a {
            color: #b0b8c4;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }
        .footer-copy {
            color: #7a8290;
            white-space: nowrap;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .articles-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .page-banner {
                padding: 44px 28px 36px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .content-wrapper {
                padding: 32px 24px;
            }
        }

        @media (max-width: 768px) {
            body {
                flex-direction: column;
            }
            .sidebar {
                transform: translateX(-100%);
                width: 280px;
                top: 0;
                z-index: 1001;
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .mobile-header {
                display: flex;
            }
            .mobile-overlay.show {
                display: block;
            }
            .main-area {
                margin-left: 0;
                padding-top: var(--header-mobile-height);
            }
            .page-banner {
                padding: 36px 20px 28px;
                border-radius: 0;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-stats-row {
                gap: 20px;
            }
            .page-banner .banner-stat .stat-num {
                font-size: 1.5rem;
            }
            .content-wrapper {
                padding: 24px 16px;
            }
            .articles-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .filter-bar {
                flex-wrap: wrap;
                gap: 8px;
                padding: 12px 14px;
            }
            .filter-sort {
                margin-left: 0;
                width: 100%;
            }
            .filter-sort select {
                width: 100%;
            }
            .cta-section {
                padding: 36px 24px;
                border-radius: var(--radius-lg);
            }
            .cta-section h3 {
                font-size: 1.3rem;
            }
            .hot-tags-section {
                padding: 20px;
            }
            .footer-inner {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .pagination .page-btn {
                width: 36px;
                height: 36px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner {
                padding: 28px 16px 22px;
            }
            .page-banner h1 {
                font-size: 1.35rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.9rem;
            }
            .page-banner .banner-stats-row {
                gap: 14px;
            }
            .page-banner .banner-stat .stat-num {
                font-size: 1.3rem;
            }
            .filter-chip {
                font-size: 0.78rem;
                padding: 6px 12px;
            }
            .article-card .card-body {
                padding: 14px 16px 16px;
            }
            .article-card .card-title {
                font-size: 0.95rem;
            }
            .section-header h2 {
                font-size: 1.25rem;
            }
            .faq-item {
                padding: 16px 18px;
            }
            .faq-item .faq-question {
                font-size: 0.9rem;
            }
        }