/* roulang page: index */
:root {
            --primary: #E63946;
            --primary-dark: #C1121F;
            --primary-light: #FF6B6B;
            --secondary: #1D3557;
            --secondary-light: #457B9D;
            --accent: #F4A261;
            --bg: #F8F9FA;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1A2E;
            --text: #212529;
            --text-light: #6C757D;
            --text-white: #F8F9FA;
            --border: #DEE2E6;
            --border-light: #E9ECEF;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow: 0 2px 12px rgba(0,0,0,0.08);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.10);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
            --space-xs: 4px;
            --space-sm: 8px;
            --space: 16px;
            --space-md: 24px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-2xl: 64px;
            --space-3xl: 80px;
            --font-xs: 0.75rem;
            --font-sm: 0.875rem;
            --font-base: 1rem;
            --font-md: 1.125rem;
            --font-lg: 1.25rem;
            --font-xl: 1.5rem;
            --font-2xl: 1.875rem;
            --font-3xl: 2.25rem;
            --font-4xl: 3rem;
            --font-5xl: 3.75rem;
            --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
            --transition-slow: 0.4s cubic-bezier(0.4,0,0.2,1);
        }

        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
        html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;}
        body{font-family:'Segoe UI','PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;font-size:var(--font-base);line-height:1.7;color:var(--text);background:var(--bg);overflow-x:hidden;}
        a{text-decoration:none;color:inherit;transition:color var(--transition);}
        img{max-width:100%;height:auto;display:block;}
        button,input,select,textarea{font-family:inherit;font-size:inherit;}
        ul,ol{list-style:none;}

        .container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--space-md);}
        @media(min-width:1400px){.container{max-width:1320px;}}

        /* Header & Navigation */
        .site-header{position:sticky;top:0;z-index:1000;background:var(--bg-white);border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm);transition:box-shadow var(--transition);}
        .site-header.scrolled{box-shadow:var(--shadow-md);}
        .header-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:var(--space-md);}
        .logo{font-size:var(--font-xl);font-weight:800;color:var(--secondary);letter-spacing:-0.5px;white-space:nowrap;display:flex;align-items:center;gap:var(--space-sm);}
        .logo .logo-icon{width:40px;height:40px;background:var(--primary);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:var(--font-lg);flex-shrink:0;}
        .logo span{background:linear-gradient(135deg,var(--secondary),var(--secondary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
        .main-nav{display:flex;align-items:center;gap:var(--space);}
        .nav-list{display:flex;align-items:center;gap:4px;}
        .nav-list>li{position:relative;}
        .nav-list>li>a{display:flex;align-items:center;gap:6px;padding:10px 16px;border-radius:var(--radius-sm);font-weight:600;font-size:var(--font-sm);color:var(--text);transition:all var(--transition);white-space:nowrap;cursor:pointer;}
        .nav-list>li>a:hover{color:var(--primary);background:rgba(230,57,70,0.05);}
        .nav-list>li>a.active{color:var(--primary);background:rgba(230,57,70,0.1);}
        .nav-list>li>a .nav-arrow{font-size:10px;transition:transform var(--transition);}
        .nav-list>li.mega-trigger:hover>a .nav-arrow{transform:rotate(180deg);}

        /* Mega Menu */
        .mega-panel{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);background:var(--bg-white);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);padding:var(--space-lg);opacity:0;visibility:hidden;pointer-events:none;transition:all var(--transition-slow);z-index:999;min-width:560px;display:grid;grid-template-columns:1fr 1fr;gap:var(--space-lg);border:1px solid var(--border-light);}
        .nav-list>li.mega-trigger:hover .mega-panel{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(4px);}
        .mega-col h4{font-size:var(--font-sm);font-weight:700;color:var(--secondary);margin-bottom:var(--space-sm);padding-bottom:var(--space-sm);border-bottom:2px solid var(--primary);display:inline-block;}
        .mega-col ul{display:flex;flex-direction:column;gap:6px;}
        .mega-col ul li a{display:block;padding:8px 12px;border-radius:var(--radius-sm);font-size:var(--font-sm);color:var(--text-light);transition:all var(--transition);}
        .mega-col ul li a:hover{color:var(--primary);background:rgba(230,57,70,0.05);padding-left:16px;}
        .mega-hot-tag{display:inline-block;font-size:var(--font-xs);background:var(--primary);color:#fff;padding:2px 8px;border-radius:20px;margin-left:6px;font-weight:600;}

        .header-actions{display:flex;align-items:center;gap:var(--space-sm);}
        .btn-search{width:40px;height:40px;border-radius:50%;border:1px solid var(--border);background:var(--bg-white);cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text-light);transition:all var(--transition);font-size:var(--font-md);}
        .btn-search:hover{color:var(--primary);border-color:var(--primary);background:rgba(230,57,70,0.05);}
        .mobile-menu-toggle{display:none;width:40px;height:40px;border:none;background:transparent;cursor:pointer;flex-direction:column;justify-content:center;gap:6px;padding:8px;z-index:1001;}
        .mobile-menu-toggle span{display:block;width:24px;height:2.5px;background:var(--text);border-radius:2px;transition:all var(--transition);}
        .mobile-menu-toggle.active span:nth-child(1){transform:rotate(45deg) translate(6px,6px);}
        .mobile-menu-toggle.active span:nth-child(2){opacity:0;}
        .mobile-menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(6px,-6px);}

        /* Hero */
        .hero{position:relative;background:linear-gradient(135deg,rgba(29,53,87,0.92),rgba(29,53,87,0.78)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;min-height:620px;display:flex;align-items:center;overflow:hidden;}
        .hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:120px;background:linear-gradient(to top,var(--bg),transparent);z-index:1;}
        .hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:var(--space-2xl);align-items:center;}
        .hero-content{color:var(--text-white);}
        .hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,0.15);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,0.2);padding:6px 16px;border-radius:50px;font-size:var(--font-sm);font-weight:600;margin-bottom:var(--space-md);letter-spacing:0.5px;}
        .hero-badge .dot{width:8px;height:8px;background:#4ade80;border-radius:50%;animation:pulse-dot 2s infinite;}
        @keyframes pulse-dot{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(74,222,128,0.6);}50%{opacity:0.6;box-shadow:0 0 0 12px rgba(74,222,128,0);}}
        .hero-content h1{font-size:var(--font-5xl);font-weight:900;line-height:1.15;margin-bottom:var(--space-md);letter-spacing:-1px;}
        .hero-content h1 .highlight{color:var(--primary-light);position:relative;}
        .hero-content p{font-size:var(--font-lg);line-height:1.7;opacity:0.9;margin-bottom:var(--space-lg);max-width:520px;}
        .hero-buttons{display:flex;gap:var(--space);flex-wrap:wrap;}
        .btn{padding:14px 28px;border-radius:50px;font-weight:700;font-size:var(--font-base);cursor:pointer;display:inline-flex;align-items:center;gap:8px;transition:all var(--transition);border:none;white-space:nowrap;letter-spacing:0.3px;}
        .btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 16px rgba(230,57,70,0.35);}
        .btn-primary:hover{background:var(--primary-dark);transform:translateY(-3px);box-shadow:0 8px 28px rgba(230,57,70,0.45);}
        .btn-outline{background:transparent;color:var(--text-white);border:2px solid rgba(255,255,255,0.5);}
        .btn-outline:hover{background:rgba(255,255,255,0.1);border-color:#fff;transform:translateY(-3px);}
        .btn-sm{padding:10px 18px;font-size:var(--font-sm);border-radius:50px;}
        .hero-visual{display:flex;align-items:center;justify-content:center;}
        .hero-card-stack{position:relative;width:100%;max-width:420px;}
        .hero-float-card{background:var(--bg-white);border-radius:var(--radius-lg);padding:var(--space-lg);box-shadow:var(--shadow-xl);position:relative;z-index:2;}
        .hero-float-card .stat-row{display:flex;gap:var(--space-md);align-items:center;margin-bottom:var(--space);}
        .hero-float-card .stat-num{font-size:var(--font-4xl);font-weight:900;color:var(--primary);line-height:1;}
        .hero-float-card .stat-label{font-size:var(--font-sm);color:var(--text-light);}
        .hero-float-card .mini-list{display:flex;flex-direction:column;gap:10px;}
        .hero-float-card .mini-item{display:flex;align-items:center;gap:10px;padding:8px 12px;background:var(--bg);border-radius:var(--radius-sm);font-size:var(--font-sm);font-weight:600;}
        .hero-float-card .mini-dot{width:8px;height:8px;border-radius:50%;background:var(--primary);flex-shrink:0;}
        .hero-float-card-shadow{position:absolute;top:16px;left:16px;right:-16px;bottom:-16px;background:rgba(255,255,255,0.08);border-radius:var(--radius-lg);z-index:1;}

        /* Sections */
        .section{padding:var(--space-3xl) 0;}
        .section-header{text-align:center;margin-bottom:var(--space-2xl);}
        .section-label{display:inline-block;font-size:var(--font-sm);font-weight:700;color:var(--primary);text-transform:uppercase;letter-spacing:2px;margin-bottom:var(--space-sm);}
        .section-title{font-size:var(--font-3xl);font-weight:800;color:var(--secondary);line-height:1.25;margin-bottom:var(--space);}
        .section-desc{font-size:var(--font-md);color:var(--text-light);max-width:640px;margin:0 auto;}

        /* Features Grid */
        .features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-lg);}
        .feature-card{background:var(--bg-white);border-radius:var(--radius-lg);padding:var(--space-xl) var(--space-lg);text-align:center;border:1px solid var(--border-light);transition:all var(--transition-slow);position:relative;overflow:hidden;}
        .feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:0;transition:opacity var(--transition-slow);}
        .feature-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent;}
        .feature-card:hover::before{opacity:1;}
        .feature-icon{width:64px;height:64px;border-radius:var(--radius);background:rgba(230,57,70,0.08);display:flex;align-items:center;justify-content:center;margin:0 auto var(--space-md);font-size:28px;transition:all var(--transition);}
        .feature-card:hover .feature-icon{background:var(--primary);color:#fff;transform:scale(1.1);}
        .feature-card h3{font-size:var(--font-lg);font-weight:700;color:var(--secondary);margin-bottom:var(--space-sm);}
        .feature-card p{font-size:var(--font-sm);color:var(--text-light);line-height:1.6;}

        /* Category Cards */
        .category-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-lg);}
        .category-card{position:relative;border-radius:var(--radius-xl);overflow:hidden;min-height:340px;display:flex;align-items:flex-end;cursor:pointer;transition:all var(--transition-slow);}
        .category-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow);}
        .category-card:hover img{transform:scale(1.08);}
        .category-card-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,0.8) 0%,rgba(0,0,0,0.3) 40%,rgba(0,0,0,0.05) 100%);z-index:1;}
        .category-card-content{position:relative;z-index:2;padding:var(--space-xl);color:#fff;width:100%;}
        .category-card-tag{display:inline-block;font-size:var(--font-xs);font-weight:700;background:var(--primary);padding:4px 12px;border-radius:20px;margin-bottom:var(--space-sm);letter-spacing:1px;}
        .category-card h3{font-size:var(--font-2xl);font-weight:800;margin-bottom:var(--space-sm);}
        .category-card p{font-size:var(--font-sm);opacity:0.85;margin-bottom:var(--space);}
        .category-card-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:var(--font-sm);color:#fff;transition:gap var(--transition);}
        .category-card:hover .category-card-link{gap:12px;}

        /* CMS List */
        .cms-list{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-lg);}
        .cms-item{background:var(--bg-white);border-radius:var(--radius-lg);overflow:hidden;display:flex;border:1px solid var(--border-light);transition:all var(--transition);}
        .cms-item:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);border-color:transparent;}
        .cms-item-thumb{width:180px;flex-shrink:0;overflow:hidden;position:relative;}
        .cms-item-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow);}
        .cms-item:hover .cms-item-thumb img{transform:scale(1.06);}
        .cms-item-body{flex:1;padding:var(--space-md);display:flex;flex-direction:column;justify-content:center;}
        .cms-item-category{font-size:var(--font-xs);font-weight:700;color:var(--primary);text-transform:uppercase;letter-spacing:1px;margin-bottom:4px;}
        .cms-item-title{font-size:var(--font-base);font-weight:700;color:var(--secondary);line-height:1.4;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
        .cms-item-title a{color:inherit;}
        .cms-item-title a:hover{color:var(--primary);}
        .cms-item-meta{font-size:var(--font-xs);color:var(--text-light);display:flex;gap:var(--space);align-items:center;}
        .cms-empty{grid-column:1/-1;text-align:center;padding:var(--space-2xl);color:var(--text-light);font-size:var(--font-md);background:var(--bg-white);border-radius:var(--radius-lg);border:2px dashed var(--border);}

        /* Stats */
        .stats-section{background:var(--secondary);padding:var(--space-2xl) 0;color:#fff;}
        .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-xl);text-align:center;}
        .stat-item .stat-value{font-size:var(--font-4xl);font-weight:900;line-height:1;margin-bottom:var(--space-xs);}
        .stat-item .stat-value span{color:var(--accent);}
        .stat-item .stat-desc{font-size:var(--font-sm);opacity:0.8;}

        /* Featured Grid */
        .featured-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:var(--space-lg);}
        .featured-main{grid-row:span 2;position:relative;border-radius:var(--radius-xl);overflow:hidden;min-height:420px;}
        .featured-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
        .featured-main-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,0.85) 0%,rgba(0,0,0,0.2) 60%);z-index:1;}
        .featured-main-content{position:absolute;bottom:0;left:0;right:0;z-index:2;padding:var(--space-xl);color:#fff;}
        .featured-main-content .tag{display:inline-block;background:var(--primary);padding:4px 14px;border-radius:20px;font-size:var(--font-xs);font-weight:700;margin-bottom:var(--space-sm);}
        .featured-main-content h3{font-size:var(--font-2xl);font-weight:800;margin-bottom:var(--space-sm);}
        .featured-main-content p{font-size:var(--font-sm);opacity:0.85;}
        .featured-sub{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:190px;}
        .featured-sub img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow);}
        .featured-sub:hover img{transform:scale(1.06);}
        .featured-sub-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,0.7),rgba(0,0,0,0.15));z-index:1;}
        .featured-sub-content{position:absolute;bottom:0;left:0;right:0;z-index:2;padding:var(--space-md);color:#fff;}
        .featured-sub-content h4{font-size:var(--font-base);font-weight:700;line-height:1.3;}

        /* FAQ */
        .faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:var(--space);}
        .faq-item{background:var(--bg-white);border-radius:var(--radius-lg);border:1px solid var(--border-light);overflow:hidden;transition:all var(--transition);}
        .faq-item:hover{border-color:var(--border);}
        .faq-question{padding:var(--space-md) var(--space-lg);font-weight:700;font-size:var(--font-base);color:var(--secondary);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:var(--space);user-select:none;}
        .faq-icon{width:28px;height:28px;border-radius:50%;background:rgba(230,57,70,0.1);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all var(--transition);color:var(--primary);font-weight:700;}
        .faq-item.open .faq-icon{background:var(--primary);color:#fff;transform:rotate(45deg);}
        .faq-answer{max-height:0;overflow:hidden;transition:max-height var(--transition-slow),padding var(--transition-slow);}
        .faq-item.open .faq-answer{max-height:300px;}
        .faq-answer-inner{padding:0 var(--space-lg) var(--space-md);color:var(--text-light);font-size:var(--font-sm);line-height:1.7;}

        /* CTA */
        .cta-section{background:linear-gradient(135deg,var(--secondary),var(--secondary-light));padding:var(--space-3xl) 0;text-align:center;color:#fff;position:relative;overflow:hidden;}
        .cta-section::before{content:'';position:absolute;top:-60px;right:-60px;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,0.04);}
        .cta-section::after{content:'';position:absolute;bottom:-40px;left:-40px;width:160px;height:160px;border-radius:50%;background:rgba(255,255,255,0.04);}
        .cta-section .container{position:relative;z-index:1;}
        .cta-section h2{font-size:var(--font-3xl);font-weight:800;margin-bottom:var(--space);}
        .cta-section p{font-size:var(--font-md);opacity:0.9;margin-bottom:var(--space-lg);max-width:600px;margin-left:auto;margin-right:auto;}
        .btn-cta{padding:16px 36px;background:#fff;color:var(--secondary);font-weight:800;font-size:var(--font-md);border-radius:50px;box-shadow:0 8px 30px rgba(0,0,0,0.2);}
        .btn-cta:hover{transform:translateY(-4px);box-shadow:0 14px 40px rgba(0,0,0,0.3);background:#fff;}

        /* Footer */
        .site-footer{background:var(--bg-dark);color:rgba(255,255,255,0.7);padding:var(--space-2xl) 0 var(--space-lg);}
        .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:var(--space-xl);margin-bottom:var(--space-xl);}
        .footer-brand .logo{margin-bottom:var(--space);}
        .footer-brand .logo span{color:#fff;-webkit-text-fill-color:#fff;}
        .footer-brand p{font-size:var(--font-sm);line-height:1.7;max-width:300px;}
        .footer-col h4{color:#fff;font-weight:700;font-size:var(--font-base);margin-bottom:var(--space);}
        .footer-col ul{display:flex;flex-direction:column;gap:8px;}
        .footer-col ul li a{font-size:var(--font-sm);color:rgba(255,255,255,0.6);transition:all var(--transition);}
        .footer-col ul li a:hover{color:#fff;padding-left:4px;}
        .footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:var(--space-lg);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--space);font-size:var(--font-sm);}

        /* Mobile Nav Overlay */
        .mobile-nav-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.5);z-index:998;opacity:0;visibility:hidden;transition:all var(--transition);}
        .mobile-nav-overlay.active{opacity:1;visibility:visible;}
        .mobile-nav-panel{position:fixed;top:0;right:-320px;width:300px;height:100vh;background:var(--bg-white);z-index:999;padding:var(--space-xl);overflow-y:auto;transition:right var(--transition-slow);box-shadow:var(--shadow-xl);}
        .mobile-nav-panel.active{right:0;}
        .mobile-nav-panel .nav-list-mobile{flex-direction:column;gap:4px;}
        .mobile-nav-panel .nav-list-mobile>li>a{padding:12px 16px;display:block;border-radius:var(--radius-sm);font-weight:600;}
        .mobile-nav-panel .mega-col{margin-top:var(--space-sm);}
        .mobile-nav-panel .mega-col h4{margin-top:var(--space);}

        /* Responsive */
        @media(max-width:1024px){
            .hero .container{grid-template-columns:1fr;text-align:center;}
            .hero-content p{margin-left:auto;margin-right:auto;}
            .hero-buttons{justify-content:center;}
            .hero-visual{display:none;}
            .features-grid{grid-template-columns:repeat(2,1fr);}
            .featured-grid{grid-template-columns:1fr 1fr;}
            .featured-main{grid-row:span 1;min-height:300px;}
            .footer-grid{grid-template-columns:1fr 1fr;}
            .cms-list{grid-template-columns:1fr;}
            .cms-item-thumb{width:140px;}
            .stats-grid{grid-template-columns:repeat(2,1fr);gap:var(--space-lg);}
            .category-grid{grid-template-columns:1fr;}
        }
        @media(max-width:768px){
            .main-nav{display:none;}
            .mobile-menu-toggle{display:flex;}
            .hero{min-height:480px;}
            .hero-content h1{font-size:var(--font-3xl);}
            .hero-content p{font-size:var(--font-base);}
            .section-title{font-size:var(--font-2xl);}
            .features-grid{grid-template-columns:1fr;gap:var(--space);}
            .featured-grid{grid-template-columns:1fr;}
            .featured-sub{min-height:160px;}
            .stats-grid{grid-template-columns:repeat(2,1fr);}
            .stat-item .stat-value{font-size:var(--font-3xl);}
            .footer-grid{grid-template-columns:1fr;}
            .footer-bottom{flex-direction:column;text-align:center;}
            .cms-item{flex-direction:column;}
            .cms-item-thumb{width:100%;height:160px;}
            .category-card{min-height:260px;}
            .category-card h3{font-size:var(--font-xl);}
        }
        @media(max-width:520px){
            .hero{min-height:400px;}
            .hero-content h1{font-size:var(--font-2xl);}
            .hero-badge{font-size:var(--font-xs);}
            .btn{padding:12px 20px;font-size:var(--font-sm);}
            .section{padding:var(--space-2xl) 0;}
            .section-title{font-size:var(--font-xl);}
            .stats-grid{gap:var(--space);}
            .stat-item .stat-value{font-size:var(--font-2xl);}
            .faq-question{padding:var(--space) var(--space-md);font-size:var(--font-sm);}
            .header-inner{height:56px;}
            .logo{font-size:var(--font-lg);}
            .logo .logo-icon{width:32px;height:32px;font-size:var(--font-base);}
        }

/* roulang page: article */
/* ========== DESIGN SYSTEM ========== */
        :root {
            --primary: #f7a400;
            --primary-dark: #e59400;
            --primary-light: #fff3e0;
            --secondary: #1a1a2e;
            --accent: #e94560;
            --bg: #f8f9fa;
            --surface: #ffffff;
            --text: #2c3e50;
            --text-muted: #6c757d;
            --border: #e9ecef;
            --radius-sm: 6px;
            --radius: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
            --shadow: 0 4px 12px rgba(0,0,0,0.08);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.12);
            --transition: 0.2s ease;
            --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --nav-height: 70px;
        }

        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; height: auto; display: block; }
        ul { list-style: none; }
        button, input, textarea { font-family: inherit; }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER & NAVIGATION ========== */
        .site-header {
            background: var(--secondary);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            box-shadow: 0 2px 8px rgba(0,0,0,0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            text-decoration: none;
        }
        .logo-icon {
            background: var(--primary);
            color: var(--secondary);
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
        }
        .logo span {
            background: linear-gradient(135deg, #fff, #f0f0f0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .main-nav ul { display: flex; gap: 8px; }
        .main-nav a {
            display: block;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            color: rgba(255,255,255,0.85);
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: rgba(255,255,255,0.12);
            color: #fff;
        }
        .mega-trigger { position: relative; }
        .mega-trigger > a { display: flex; align-items: center; gap: 4px; }
        .nav-arrow { font-size: 0.7rem; transition: var(--transition); }
        .mega-trigger:hover .nav-arrow { transform: rotate(180deg); }
        .mega-panel {
            position: absolute;
            top: 100%;
            left: 0;
            background: var(--surface);
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            padding: 20px;
            display: flex;
            gap: 32px;
            min-width: 360px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: all 0.25s ease;
            border: 1px solid var(--border);
        }
        .mega-trigger:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .mega-col h4 {
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--text-muted);
            margin-bottom: 10px;
            padding-bottom: 6px;
            border-bottom: 2px solid var(--primary);
        }
        .mega-col ul { display: flex; flex-direction: column; gap: 4px; }
        .mega-col a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 6px 8px;
            border-radius: var(--radius-sm);
            color: var(--text);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .mega-col a:hover { background: var(--primary-light); color: var(--primary-dark); }
        .mega-hot-tag {
            font-size: 0.65rem;
            background: var(--accent);
            color: #fff;
            padding: 2px 6px;
            border-radius: 10px;
            font-weight: 600;
            margin-left: 4px;
        }

        /* Mobile menu toggle */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 8px;
        }

        /* ========== ARTICLE BANNER ========== */
        .article-banner {
            background: linear-gradient(135deg, rgba(26,26,46,0.88), rgba(26,26,46,0.92)), 
                        url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 60px 0 40px;
            color: #fff;
            text-align: center;
        }
        .article-banner .breadcrumb {
            display: flex;
            justify-content: center;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 14px;
        }
        .breadcrumb a { color: var(--primary-light); transition: var(--transition); }
        .breadcrumb a:hover { color: var(--primary); }
        .breadcrumb .separator { color: rgba(255,255,255,0.4); }
        .article-banner h1 {
            font-size: 2.4rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 20px;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.8);
        }
        .article-meta .meta-tag {
            background: rgba(255,255,255,0.15);
            padding: 4px 14px;
            border-radius: 20px;
        }

        /* ========== ARTICLE CONTENT ========== */
        .article-main {
            padding: 50px 0 70px;
            background: var(--bg);
        }
        .article-container {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            align-items: start;
        }
        .article-body {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }
        .article-body h2 {
            font-size: 1.6rem;
            margin: 32px 0 16px;
            color: var(--secondary);
            border-left: 4px solid var(--primary);
            padding-left: 14px;
        }
        .article-body h3 {
            font-size: 1.25rem;
            margin: 24px 0 12px;
            color: var(--secondary);
        }
        .article-body p {
            margin-bottom: 1.2em;
            color: #444;
            line-height: 1.8;
        }
        .article-body img {
            border-radius: var(--radius);
            margin: 24px 0;
            box-shadow: var(--shadow);
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            margin: 24px 0;
            padding: 16px 24px;
            background: #fef9f0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: #555;
        }
        .article-body a {
            color: var(--primary-dark);
            text-decoration: underline;
            font-weight: 500;
        }
        .article-body ul, .article-body ol {
            margin: 16px 0 16px 24px;
            color: #444;
        }
        .article-body li { margin-bottom: 6px; }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: calc(var(--nav-height) + 20px);
        }
        .sidebar-card {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            margin-bottom: 24px;
            border: 1px solid var(--border);
        }
        .sidebar-card h4 {
            font-size: 1rem;
            padding-bottom: 10px;
            margin-bottom: 16px;
            border-bottom: 2px solid var(--primary);
            color: var(--secondary);
        }
        .sidebar-card ul li a {
            display: block;
            padding: 8px 0;
            border-bottom: 1px dashed var(--border);
            color: var(--text);
            transition: var(--transition);
            font-size: 0.95rem;
        }
        .sidebar-card ul li:last-child a { border-bottom: none; }
        .sidebar-card ul li a:hover { color: var(--primary); padding-left: 6px; }

        /* Not found */
        .not-found {
            text-align: center;
            padding: 100px 20px;
        }
        .not-found h2 { font-size: 2rem; margin-bottom: 20px; color: var(--secondary); }
        .not-found p { color: var(--text-muted); margin-bottom: 30px; }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius);
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow); }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255,255,255,0.7);
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-brand .logo span {
            background: linear-gradient(135deg, #fff, #ddd);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .footer-brand p {
            font-size: 0.9rem;
            margin-top: 12px;
            line-height: 1.6;
            max-width: 280px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 30px;
            height: 2px;
            background: var(--primary);
        }
        .footer-col ul { display: flex; flex-direction: column; gap: 8px; }
        .footer-col a {
            color: rgba(255,255,255,0.65);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--primary); padding-left: 4px; }
        .footer-bottom {
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .article-container { grid-template-columns: 1fr; }
            .article-sidebar { display: none; }
        }
        @media (max-width: 768px) {
            .menu-toggle { display: block; }
            .main-nav { 
                display: none; 
                position: absolute; 
                top: var(--nav-height); 
                left: 0; 
                right: 0; 
                background: var(--secondary); 
                padding: 20px;
                flex-direction: column;
                box-shadow: var(--shadow-md);
            }
            .main-nav.active { display: block; }
            .main-nav ul { flex-direction: column; gap: 0; }
            .mega-panel {
                position: static;
                opacity: 1;
                visibility: visible;
                transform: none;
                box-shadow: none;
                border: none;
                background: rgba(255,255,255,0.05);
                margin-top: 8px;
                flex-direction: column;
                min-width: auto;
                padding: 12px;
                display: none;
            }
            .mega-trigger:hover .mega-panel { display: flex; }
            .article-banner h1 { font-size: 1.8rem; }
            .article-body { padding: 24px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; }
            .article-banner { padding: 40px 0 30px; }
        }

/* roulang page: category1 */
/* ============ 设计变量 ============ */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --accent-light: #fef3e2;
            --bg-body: #f8f9fa;
            --bg-white: #ffffff;
            --bg-dark: #1a1a2e;
            --bg-card: #ffffff;
            --text-primary: #1d3557;
            --text-secondary: #6c757d;
            --text-light: #adb5bd;
            --text-white: #ffffff;
            --border-color: #e9ecef;
            --border-light: #f1f3f5;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-xs: 0.75rem;
            --font-sm: 0.875rem;
            --font-base: 1rem;
            --font-lg: 1.125rem;
            --font-xl: 1.25rem;
            --font-2xl: 1.5rem;
            --font-3xl: 1.875rem;
            --font-4xl: 2.25rem;
            --font-5xl: 3rem;
            --max-width: 1280px;
            --nav-height: 70px;
        }

        /* ============ Reset & Base ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ Header & Navigation ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: var(--font-xl);
            color: var(--secondary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .nav-list>li {
            position: relative;
        }

        .nav-list>li>a {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            font-size: var(--font-base);
            font-weight: 500;
            color: var(--text-primary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
        }

        .nav-list>li>a:hover {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.05);
        }

        .nav-list>li>a.active {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.08);
            font-weight: 600;
        }

        .nav-arrow {
            font-size: 10px;
            transition: transform var(--transition-fast);
            color: var(--text-light);
        }

        .mega-trigger:hover .nav-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }

        /* Mega Panel */
        .mega-panel {
            position: absolute;
            top: calc(100% + 8px);
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            padding: 28px 32px;
            display: flex;
            gap: 40px;
            min-width: 520px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all var(--transition-base);
            border: 1px solid var(--border-color);
            z-index: 999;
        }

        .mega-trigger:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }

        .mega-col {
            flex: 1;
            min-width: 160px;
        }

        .mega-col h4 {
            font-size: var(--font-sm);
            font-weight: 700;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--border-color);
        }

        .mega-col ul {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mega-col ul li a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            font-size: var(--font-sm);
            color: var(--text-primary);
            transition: all var(--transition-fast);
        }

        .mega-col ul li a:hover {
            background: var(--bg-body);
            color: var(--primary);
            transform: translateX(3px);
        }

        .mega-hot-tag {
            font-size: 10px;
            background: var(--primary);
            color: #fff;
            padding: 2px 7px;
            border-radius: 20px;
            font-weight: 600;
            letter-spacing: 0.5px;
            animation: tagPulse 2s infinite;
        }

        @keyframes tagPulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

        /* Search Box */
        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .search-input-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }

        .search-input-wrap input {
            width: 200px;
            padding: 10px 40px 10px 16px;
            border: 2px solid var(--border-color);
            border-radius: 50px;
            font-size: var(--font-sm);
            background: var(--bg-body);
            transition: all var(--transition-base);
            outline: none;
        }

        .search-input-wrap input:focus {
            border-color: var(--primary);
            background: var(--bg-white);
            box-shadow: 0 0 0 4px rgba(230, 57, 70, 0.08);
            width: 240px;
        }

        .search-input-wrap .search-icon {
            position: absolute;
            right: 14px;
            color: var(--text-light);
            pointer-events: none;
            font-size: var(--font-sm);
        }

        /* Mobile Toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-primary);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .nav-toggle:hover {
            background: var(--bg-body);
            color: var(--primary);
        }

        /* Mobile Nav Overlay */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 998;
            transition: opacity var(--transition-base);
        }

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

        /* ============ Category Banner ============ */
        .category-banner {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            overflow: hidden;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 46, 0.85) 0%, rgba(26, 26, 46, 0.7) 100%);
            z-index: 1;
        }

        .category-banner .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb-wrap {
            margin-bottom: 20px;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-sm);
            color: rgba(255, 255, 255, 0.7);
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition-fast);
        }

        .breadcrumb-custom a:hover {
            color: #fff;
            text-decoration: underline;
        }

        .breadcrumb-sep {
            color: rgba(255, 255, 255, 0.4);
            font-size: 10px;
        }

        .breadcrumb-current {
            color: #fff;
            font-weight: 500;
        }

        .category-banner-content h1 {
            font-size: var(--font-5xl);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
            line-height: 1.2;
        }

        .category-banner-content .category-desc {
            font-size: var(--font-lg);
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            line-height: 1.7;
        }

        .category-stats {
            display: flex;
            gap: 32px;
            margin-top: 24px;
            flex-wrap: wrap;
        }

        .stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.9);
        }

        .stat-item .stat-num {
            font-size: var(--font-3xl);
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }

        .stat-item .stat-label {
            font-size: var(--font-sm);
            color: rgba(255, 255, 255, 0.7);
        }

        /* ============ Main Layout ============ */
        .category-main {
            padding: 48px 0 64px;
        }

        .category-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 40px;
            align-items: start;
        }

        /* ============ Content Area ============ */
        .content-area {}

        .content-toolbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 24px;
            padding: 16px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .toolbar-left {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .result-count {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            font-weight: 500;
        }

        .sort-btns {
            display: flex;
            gap: 4px;
        }

        .sort-btn {
            padding: 8px 16px;
            border: 1px solid var(--border-color);
            background: var(--bg-white);
            border-radius: 50px;
            font-size: var(--font-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            color: var(--text-secondary);
            font-weight: 500;
            white-space: nowrap;
        }

        .sort-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(230, 57, 70, 0.03);
        }

        .sort-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }

        .toolbar-right {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .view-toggle {
            display: flex;
            gap: 4px;
        }

        .view-btn {
            width: 36px;
            height: 36px;
            border: 1px solid var(--border-color);
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: var(--font-sm);
        }

        .view-btn:hover,
        .view-btn.active {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(230, 57, 70, 0.05);
        }

        /* Article Cards */
        .articles-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .article-card {
            display: flex;
            gap: 20px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .article-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: transparent;
        }

        .article-card .card-img-wrap {
            flex-shrink: 0;
            width: 240px;
            min-height: 180px;
            position: relative;
            overflow: hidden;
            background: var(--bg-body);
        }

        .article-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .article-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .card-tag-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            font-size: var(--font-xs);
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 50px;
            z-index: 2;
            letter-spacing: 0.5px;
        }

        .article-card .card-body {
            flex: 1;
            padding: 20px 20px 20px 0;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .card-body .card-title {
            font-size: var(--font-xl);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card:hover .card-title {
            color: var(--primary);
        }

        .card-body .card-excerpt {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: var(--font-xs);
            color: var(--text-light);
            flex-wrap: wrap;
        }

        .card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .card-meta .meta-views {
            color: var(--accent);
            font-weight: 500;
        }

        /* ============ Pagination ============ */
        .pagination-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 36px;
            flex-wrap: wrap;
        }

        .page-btn {
            width: 40px;
            height: 40px;
            border: 1px solid var(--border-color);
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: var(--font-sm);
            font-weight: 500;
            color: var(--text-primary);
        }

        .page-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(230, 57, 70, 0.04);
        }

        .page-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 700;
        }

        .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
            cursor: default;
        }

        /* ============ Sidebar ============ */
        .sidebar {
            position: sticky;
            top: calc(var(--nav-height) + 24px);
        }

        .sidebar-widget {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            padding: 24px;
            margin-bottom: 20px;
            box-shadow: var(--shadow-sm);
        }

        .sidebar-widget h3 {
            font-size: var(--font-lg);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border-color);
            position: relative;
        }

        .sidebar-widget h3::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        /* Hot Tags */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-item {
            padding: 6px 14px;
            border: 1px solid var(--border-color);
            border-radius: 50px;
            font-size: var(--font-xs);
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
            background: var(--bg-white);
        }

        .tag-item:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(230, 57, 70, 0.04);
            transform: translateY(-1px);
        }

        .tag-item.hot {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }

        /* Sidebar Article List */
        .sidebar-article-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .sidebar-article-item {
            display: flex;
            gap: 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .sidebar-article-item:hover {
            transform: translateX(3px);
        }

        .sidebar-article-item .sa-img {
            width: 72px;
            height: 56px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-body);
        }

        .sidebar-article-item .sa-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .sidebar-article-item .sa-info {
            flex: 1;
            min-width: 0;
        }

        .sidebar-article-item .sa-title {
            font-size: var(--font-sm);
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 4px;
        }

        .sidebar-article-item:hover .sa-title {
            color: var(--primary);
        }

        .sidebar-article-item .sa-date {
            font-size: var(--font-xs);
            color: var(--text-light);
        }

        /* ============ Sub Categories Section ============ */
        .sub-categories-section {
            padding: 48px 0;
            background: var(--bg-white);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .section-header {
            text-align: center;
            margin-bottom: 36px;
        }

        .section-header h2 {
            font-size: var(--font-3xl);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .section-header p {
            font-size: var(--font-base);
            color: var(--text-secondary);
            max-width: 500px;
            margin: 0 auto;
        }

        .sub-cat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 16px;
        }

        .sub-cat-card {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 20px;
            background: var(--bg-body);
            border-radius: var(--radius-md);
            border: 2px solid transparent;
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .sub-cat-card:hover {
            border-color: var(--primary);
            background: rgba(230, 57, 70, 0.03);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .sub-cat-icon {
            width: 44px;
            height: 44px;
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
            box-shadow: var(--shadow-sm);
        }

        .sub-cat-info h4 {
            font-size: var(--font-sm);
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 2px;
        }

        .sub-cat-info span {
            font-size: var(--font-xs);
            color: var(--text-light);
        }

        /* ============ CTA Section ============ */
        .cta-section {
            padding: 64px 0;
            background: linear-gradient(135deg, var(--secondary) 0%, #16213e 100%);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(29, 53, 87, 0.85);
            z-index: 1;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: var(--font-3xl);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-content p {
            font-size: var(--font-lg);
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            font-weight: 700;
            font-size: var(--font-base);
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.4);
        }

        .btn-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.5);
            color: #fff;
        }

        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            background: transparent;
            color: #fff;
            border-radius: 50px;
            font-weight: 700;
            font-size: var(--font-base);
            border: 2px solid rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: all var(--transition-base);
            margin-left: 12px;
        }

        .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

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

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

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

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            width: 100%;
            padding: 18px 24px;
            background: none;
            border: none;
            text-align: left;
            font-size: var(--font-base);
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: all var(--transition-fast);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: var(--radius-full);
            background: var(--bg-body);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            transition: all var(--transition-base);
            color: var(--text-secondary);
        }

        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 24px 20px;
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
        }

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

        /* ============ Footer ============ */
        .site-footer {
            background: var(--bg-dark);
            padding: 48px 0 0;
            color: rgba(255, 255, 255, 0.75);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand p {
            font-size: var(--font-sm);
            line-height: 1.7;
            margin-top: 8px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            font-size: var(--font-sm);
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: var(--font-sm);
            color: rgba(255, 255, 255, 0.6);
            transition: all var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: var(--font-xs);
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ============ Buttons ============ */
        .btn-outline-primary-custom {
            padding: 8px 20px;
            border: 2px solid var(--primary);
            color: var(--primary);
            background: transparent;
            border-radius: 50px;
            font-weight: 600;
            font-size: var(--font-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .btn-outline-primary-custom:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ============ Responsive ============ */
        @media (max-width: 1024px) {
            .category-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .sidebar {
                position: static;
            }
            .article-card .card-img-wrap {
                width: 200px;
                min-height: 150px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .mega-panel {
                min-width: 400px;
                gap: 24px;
                padding: 20px 24px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 60px;
            }
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .main-nav {
                position: fixed;
                top: 60px;
                left: 0;
                width: 100%;
                max-height: calc(100vh - 60px);
                overflow-y: auto;
                background: var(--bg-white);
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-lg);
                padding: 16px;
                transform: translateY(-110%);
                transition: transform var(--transition-base);
                z-index: 997;
            }
            .main-nav.open {
                transform: translateY(0);
            }
            .nav-list {
                flex-direction: column;
                gap: 2px;
                width: 100%;
            }
            .nav-list>li>a {
                width: 100%;
                padding: 12px 16px;
                font-size: var(--font-base);
            }
            .mega-panel {
                position: static;
                transform: none;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                box-shadow: none;
                border: none;
                min-width: auto;
                flex-direction: column;
                gap: 16px;
                padding: 12px 16px;
                background: var(--bg-body);
                display: none;
                border-radius: var(--radius-sm);
                margin-top: 8px;
            }
            .mega-trigger.open-mobile .mega-panel {
                display: flex;
            }
            .header-search {
                display: none;
            }
            .category-banner {
                padding: 48px 0 36px;
            }
            .category-banner-content h1 {
                font-size: var(--font-3xl);
            }
            .category-stats {
                gap: 20px;
            }
            .article-card {
                flex-direction: column;
            }
            .article-card .card-img-wrap {
                width: 100%;
                min-height: 200px;
            }
            .article-card .card-body {
                padding: 16px;
            }
            .content-toolbar {
                flex-direction: column;
                gap: 10px;
            }
            .sub-cat-grid {
                grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
                gap: 10px;
            }
            .cta-content h2 {
                font-size: var(--font-2xl);
            }
            .btn-cta-outline {
                margin-left: 0;
                margin-top: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-banner-content h1 {
                font-size: var(--font-2xl);
            }
            .category-desc {
                font-size: var(--font-sm);
            }
            .category-stats {
                gap: 14px;
            }
            .stat-item .stat-num {
                font-size: var(--font-xl);
            }
            .article-card .card-img-wrap {
                min-height: 160px;
            }
            .card-body .card-title {
                font-size: var(--font-base);
            }
            .sub-cat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .sub-cat-card {
                padding: 12px 14px;
            }
            .sub-cat-icon {
                width: 36px;
                height: 36px;
                font-size: 18px;
            }
            .pagination-wrap {
                gap: 3px;
            }
            .page-btn {
                width: 34px;
                height: 34px;
                font-size: var(--font-xs);
            }
            .section-header h2 {
                font-size: var(--font-2xl);
            }
            .faq-question {
                font-size: var(--font-sm);
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px 16px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ============ Utility ============ */
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: category2 */
:root {
            --brand-600: #1d4ed8;
            --brand-700: #1e40af;
            --brand-800: #1e3a8a;
            --accent-500: #f97316;
            --accent-600: #ea580c;
            --surface: #f8fafc;
            --card: #ffffff;
            --muted: #64748b;
            --border: #e2e8f0;
            --dark: #1e293b;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.05);
            --shadow-xl: 0 20px 48px rgba(0,0,0,0.14), 0 8px 20px rgba(0,0,0,0.06);
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-xs: 0.75rem;
            --font-sm: 0.875rem;
            --font-base: 1rem;
            --font-lg: 1.125rem;
            --font-xl: 1.25rem;
            --font-2xl: 1.5rem;
            --font-3xl: 1.875rem;
            --font-4xl: 2.25rem;
        }

        *, *::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: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--dark);
            background: var(--surface);
            min-height: 100vh;
        }

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul, ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== HEADER & NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: var(--font-xl);
            color: var(--brand-700);
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }
        .logo:hover {
            opacity: 0.85;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--brand-600), var(--brand-800));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-list > li {
            position: relative;
        }
        .nav-list > li > a {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            font-size: var(--font-sm);
            font-weight: 600;
            color: var(--dark);
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .nav-list > li > a:hover {
            background: #f1f5f9;
            color: var(--brand-600);
        }
        .nav-list > li > a.active {
            background: #eff6ff;
            color: var(--brand-600);
            font-weight: 700;
        }
        .nav-arrow {
            font-size: 0.65rem;
            transition: transform var(--transition-fast);
            opacity: 0.6;
        }
        .mega-trigger:hover .nav-arrow {
            transform: rotate(180deg);
            opacity: 1;
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 8px);
            left: 50%;
            transform: translateX(-50%) translateY(6px);
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            padding: 24px 28px;
            display: flex;
            gap: 40px;
            min-width: 480px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all var(--transition-smooth);
            z-index: 99;
        }
        .mega-trigger:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }
        .mega-col h4 {
            font-size: var(--font-xs);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--muted);
            margin-bottom: 10px;
            font-weight: 700;
        }
        .mega-col ul {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mega-col ul li a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 7px 10px;
            border-radius: 6px;
            font-size: var(--font-sm);
            color: var(--dark);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .mega-col ul li a:hover {
            background: #f8fafc;
            color: var(--brand-600);
        }
        .mega-hot-tag {
            display: inline-block;
            font-size: 0.65rem;
            font-weight: 700;
            padding: 2px 6px;
            border-radius: 4px;
            background: #fef2f2;
            color: #dc2626;
            line-height: 1;
            margin-left: 2px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn-search {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--muted);
            transition: all var(--transition-fast);
            font-size: var(--font-lg);
        }
        .btn-search:hover {
            background: #f1f5f9;
            color: var(--brand-600);
        }
        .btn-subscribe {
            padding: 9px 20px;
            background: var(--accent-500);
            color: #fff;
            border-radius: 24px;
            font-weight: 700;
            font-size: var(--font-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(249,115,22,0.3);
        }
        .btn-subscribe:hover {
            background: var(--accent-600);
            box-shadow: 0 4px 16px rgba(249,115,22,0.4);
            transform: translateY(-1px);
        }
        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--dark);
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }
        .mobile-toggle:hover {
            background: #f1f5f9;
        }

        /* ===== BREADCRUMB ===== */
        .breadcrumb-nav {
            padding: 14px 0;
            font-size: var(--font-sm);
            color: var(--muted);
        }
        .breadcrumb-nav a {
            color: var(--muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb-nav a:hover {
            color: var(--brand-600);
        }
        .breadcrumb-nav .separator {
            margin: 0 8px;
            opacity: 0.5;
        }
        .breadcrumb-nav .current {
            color: var(--dark);
            font-weight: 600;
        }

        /* ===== CATEGORY HERO ===== */
        .category-hero {
            position: relative;
            padding: 64px 0 72px;
            background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 40%, #1d4ed8 70%, #0f172a 100%);
            overflow: hidden;
            border-radius: 0 0 var(--radius-xl) var(--radius-xl);
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15,23,42,0.3) 0%, rgba(30,64,175,0.5) 60%, rgba(15,23,42,0.8) 100%);
            z-index: 1;
        }
        .category-hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
        }
        .category-hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255,255,255,0.15);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: 20px;
            font-size: var(--font-xs);
            font-weight: 700;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 18px;
            backdrop-filter: blur(4px);
        }
        .category-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 14px;
            line-height: 1.2;
        }
        .category-hero-desc {
            font-size: var(--font-lg);
            opacity: 0.88;
            max-width: 620px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }
        .category-hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .category-hero-stat {
            text-align: center;
        }
        .category-hero-stat-number {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
        }
        .category-hero-stat-label {
            font-size: var(--font-xs);
            opacity: 0.7;
            margin-top: 2px;
        }

        /* ===== SECTION ===== */
        .section {
            padding: 56px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: var(--font-3xl);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--dark);
            margin-bottom: 8px;
        }
        .section-header p {
            color: var(--muted);
            font-size: var(--font-base);
            max-width: 560px;
            margin: 0 auto;
        }
        .section-header-left {
            text-align: left;
            margin-bottom: 32px;
        }
        .section-header-left h2 {
            font-size: var(--font-3xl);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--dark);
            margin-bottom: 6px;
        }
        .section-header-left p {
            color: var(--muted);
            font-size: var(--font-base);
        }

        /* ===== FILTER TAGS ===== */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 36px;
        }
        .filter-tag {
            padding: 8px 18px;
            border-radius: 22px;
            font-size: var(--font-sm);
            font-weight: 600;
            border: 1.5px solid var(--border);
            color: var(--muted);
            background: var(--card);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--brand-300);
            color: var(--brand-600);
            background: #eff6ff;
        }
        .filter-tag.active {
            background: var(--brand-600);
            color: #fff;
            border-color: var(--brand-600);
            box-shadow: 0 2px 8px rgba(29,78,216,0.3);
        }

        /* ===== REVIEW CARDS GRID ===== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .review-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .review-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #cbd5e1;
        }
        .review-card-img {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #f1f5f9;
        }
        .review-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .review-card:hover .review-card-img img {
            transform: scale(1.04);
        }
        .review-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            background: rgba(0,0,0,0.65);
            color: #fff;
            border-radius: 14px;
            font-size: var(--font-xs);
            font-weight: 600;
            backdrop-filter: blur(4px);
        }
        .review-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .review-card-body h3 {
            font-size: var(--font-base);
            font-weight: 700;
            line-height: 1.4;
            color: var(--dark);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .review-card-body h3 a {
            color: var(--dark);
            transition: color var(--transition-fast);
        }
        .review-card-body h3 a:hover {
            color: var(--brand-600);
        }
        .review-card-desc {
            font-size: var(--font-sm);
            color: var(--muted);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .review-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-top: 4px;
        }
        .review-rating {
            display: flex;
            align-items: center;
            gap: 5px;
            font-weight: 700;
            font-size: var(--font-sm);
            color: #f59e0b;
        }
        .review-rating i {
            font-size: 0.8rem;
        }
        .review-rating span {
            color: var(--dark);
            font-size: var(--font-base);
        }
        .review-card-link {
            font-size: var(--font-sm);
            font-weight: 600;
            color: var(--brand-600);
            display: flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .review-card-link:hover {
            gap: 8px;
        }

        /* ===== RANKING SECTION ===== */
        .ranking-section {
            background: var(--card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border);
            padding: 40px 36px;
        }
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 16px 12px;
            border-bottom: 1px solid var(--border);
            transition: background var(--transition-fast);
            border-radius: var(--radius-sm);
        }
        .ranking-item:last-child {
            border-bottom: none;
        }
        .ranking-item:hover {
            background: #f8fafc;
        }
        .ranking-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: var(--font-lg);
            flex-shrink: 0;
        }
        .ranking-num.top1 {
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            color: #fff;
            box-shadow: 0 4px 12px rgba(245,158,11,0.35);
        }
        .ranking-num.top2 {
            background: linear-gradient(135deg, #94a3b8, #64748b);
            color: #fff;
            box-shadow: 0 4px 12px rgba(100,116,139,0.3);
        }
        .ranking-num.top3 {
            background: linear-gradient(135deg, #d97706, #b45309);
            color: #fff;
            box-shadow: 0 4px 12px rgba(180,83,9,0.3);
        }
        .ranking-num.normal {
            background: #f1f5f9;
            color: var(--muted);
        }
        .ranking-info {
            flex: 1;
            min-width: 0;
        }
        .ranking-info h4 {
            font-weight: 700;
            font-size: var(--font-base);
            color: var(--dark);
            margin-bottom: 2px;
        }
        .ranking-info p {
            font-size: var(--font-sm);
            color: var(--muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .ranking-badge {
            padding: 5px 14px;
            border-radius: 14px;
            font-size: var(--font-xs);
            font-weight: 700;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .ranking-badge.best {
            background: #fef3c7;
            color: #b45309;
        }
        .ranking-badge.value {
            background: #dcfce7;
            color: #166534;
        }
        .ranking-badge.pro {
            background: #eff6ff;
            color: #1d4ed8;
        }

        /* ===== CRITERIA SECTION ===== */
        .criteria-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .criteria-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-smooth);
        }
        .criteria-card:hover {
            box-shadow: var(--shadow-md);
            border-color: #cbd5e1;
            transform: translateY(-2px);
        }
        .criteria-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin: 0 auto 14px;
        }
        .criteria-icon.blue {
            background: #eff6ff;
            color: var(--brand-600);
        }
        .criteria-icon.orange {
            background: #fff7ed;
            color: var(--accent-500);
        }
        .criteria-icon.green {
            background: #f0fdf4;
            color: #16a34a;
        }
        .criteria-icon.purple {
            background: #faf5ff;
            color: #7c3aed;
        }
        .criteria-card h4 {
            font-weight: 700;
            font-size: var(--font-base);
            margin-bottom: 6px;
            color: var(--dark);
        }
        .criteria-card p {
            font-size: var(--font-sm);
            color: var(--muted);
            line-height: 1.5;
        }

        /* ===== COMPARE SECTION ===== */
        .compare-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .compare-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            display: flex;
            gap: 18px;
            align-items: flex-start;
            transition: all var(--transition-smooth);
        }
        .compare-card:hover {
            box-shadow: var(--shadow-md);
            border-color: #cbd5e1;
        }
        .compare-card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            flex-shrink: 0;
            background: #f1f5f9;
            color: var(--brand-600);
        }
        .compare-card-content h4 {
            font-weight: 700;
            font-size: var(--font-base);
            color: var(--dark);
            margin-bottom: 4px;
        }
        .compare-card-content p {
            font-size: var(--font-sm);
            color: var(--muted);
            line-height: 1.55;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 50%, #0f172a 100%);
            border-radius: var(--radius-xl);
            padding: 52px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255,255,255,0.04);
            z-index: 0;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: -30px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255,255,255,0.03);
            z-index: 0;
        }
        .cta-section > * {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: var(--font-3xl);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 10px;
        }
        .cta-section p {
            opacity: 0.85;
            margin-bottom: 24px;
            font-size: var(--font-base);
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-cta-primary {
            padding: 13px 28px;
            background: #fff;
            color: var(--brand-700);
            border-radius: 28px;
            font-weight: 700;
            font-size: var(--font-base);
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(0,0,0,0.2);
        }
        .btn-cta-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0,0,0,0.3);
        }
        .btn-cta-outline {
            padding: 13px 28px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.5);
            border-radius: 28px;
            font-weight: 700;
            font-size: var(--font-base);
            transition: all var(--transition-fast);
        }
        .btn-cta-outline:hover {
            background: rgba(255,255,255,0.12);
            border-color: #fff;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: var(--font-sm);
            color: #94a3b8;
            line-height: 1.6;
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: var(--font-sm);
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 7px;
        }
        .footer-col ul li a {
            color: #94a3b8;
            font-size: var(--font-sm);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 18px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: var(--font-xs);
            color: #64748b;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .criteria-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .compare-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .ranking-section {
                padding: 28px 20px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 56px;
            }
            .mobile-toggle {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: 56px;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px;
                overflow-y: auto;
                transform: translateX(100%);
                transition: transform var(--transition-smooth);
                z-index: 99;
                border-top: 1px solid var(--border);
            }
            .main-nav.open {
                transform: translateX(0);
            }
            .nav-list {
                flex-direction: column;
                gap: 6px;
                width: 100%;
            }
            .nav-list > li > a {
                padding: 14px 16px;
                font-size: var(--font-base);
                border-radius: var(--radius-md);
                width: 100%;
            }
            .mega-panel {
                position: static;
                transform: none;
                box-shadow: none;
                border: none;
                min-width: auto;
                padding: 0 0 12px 16px;
                flex-direction: column;
                gap: 16px;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                display: none;
                background: transparent;
            }
            .mega-trigger.open .mega-panel {
                display: flex;
            }
            .mega-trigger .nav-arrow {
                transition: transform var(--transition-fast);
            }
            .mega-trigger.open .nav-arrow {
                transform: rotate(180deg);
            }
            .header-actions .btn-subscribe {
                display: none;
            }
            .review-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .criteria-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .category-hero {
                padding: 40px 0 48px;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero-desc {
                font-size: var(--font-sm);
            }
            .category-hero-stats {
                gap: 20px;
            }
            .category-hero-stat-number {
                font-size: 1.4rem;
            }
            .section {
                padding: 36px 0;
            }
            .section-header h2, .section-header-left h2 {
                font-size: var(--font-2xl);
            }
            .filter-tags {
                gap: 8px;
            }
            .filter-tag {
                padding: 6px 14px;
                font-size: var(--font-xs);
            }
            .cta-section {
                padding: 36px 22px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: var(--font-2xl);
            }
            .ranking-item {
                flex-wrap: wrap;
                gap: 10px;
            }
            .ranking-num {
                width: 36px;
                height: 36px;
                font-size: var(--font-base);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .criteria-grid {
                grid-template-columns: 1fr;
            }
            .category-hero h1 {
                font-size: 1.35rem;
            }
            .category-hero-stats {
                gap: 14px;
            }
            .category-hero-stat-number {
                font-size: 1.2rem;
            }
            .compare-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn-cta-primary, .btn-cta-outline {
                width: 100%;
                text-align: center;
            }
        }