/* roulang page: index */
/* ===== Design Variables ===== */
:root {
  --primary: #1a56db;
  --primary-dark: #1e40af;
  --primary-light: #3b82f6;
  --primary-bg: #eff6ff;
  --secondary: #f97316;
  --secondary-dark: #ea580c;
  --secondary-light: #fb923c;
  --accent: #10b981;
  --accent-dark: #059669;
  --bg: #f8fafc;
  --bg-white: #ffffff;
  --bg-dark: #0f172a;
  --bg-gray: #f1f5f9;
  --text: #1e293b;
  --text-light: #64748b;
  --text-lighter: #94a3b8;
  --text-white: #ffffff;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
  --shadow-xl: 0 24px 64px rgba(0,0,0,0.16);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --max-width: 1200px;
  --header-top-h: 40px;
  --header-nav-h: 72px;
  --z-header: 100;
  --z-overlay: 200;
  --z-modal: 300;
}

/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);font-size:16px;line-height:1.6;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--primary)}
button,input,textarea,select{font-family:inherit;font-size:inherit;line-height:inherit;border:none;outline:none;background:none}
button{cursor:pointer}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{line-height:1.3;font-weight:700;color:var(--text)}
h1{font-size:clamp(2rem, 5vw, 3.2rem)}
h2{font-size:clamp(1.5rem, 3.5vw, 2.4rem)}
h3{font-size:clamp(1.15rem, 2vw, 1.5rem)}
h4{font-size:1.15rem}
p{margin-bottom:0.8rem;color:var(--text-light)}
.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}
@media(max-width:768px){.container{padding:0 16px}}
.section{padding:80px 0}
@media(max-width:768px){.section{padding:56px 0}}
.section-title{text-align:center;margin-bottom:16px}
.section-sub{text-align:center;max-width:640px;margin:0 auto 48px;color:var(--text-light);font-size:1.05rem}
@media(max-width:768px){.section-sub{margin-bottom:32px}}
.text-center{text-align:center}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 32px;border-radius:var(--radius-sm);font-weight:600;font-size:1rem;transition:all var(--transition);border:2px solid transparent;white-space:nowrap}
.btn-primary{background:var(--primary);color:var(--text-white);border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:var(--text-white);transform:translateY(-2px);box-shadow:0 8px 24px rgba(26,86,219,0.35)}
.btn-secondary{background:var(--secondary);color:var(--text-white);border-color:var(--secondary)}
.btn-secondary:hover{background:var(--secondary-dark);border-color:var(--secondary-dark);color:var(--text-white);transform:translateY(-2px);box-shadow:0 8px 24px rgba(249,115,22,0.35)}
.btn-outline{background:transparent;color:var(--text-white);border-color:var(--text-white)}
.btn-outline:hover{background:var(--text-white);color:var(--primary);transform:translateY(-2px)}
.btn-outline-primary{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline-primary:hover{background:var(--primary);color:var(--text-white);transform:translateY(-2px);box-shadow:0 8px 24px rgba(26,86,219,0.25)}
.btn-lg{padding:18px 44px;font-size:1.1rem;border-radius:var(--radius)}
.btn-sm{padding:10px 20px;font-size:0.9rem}
.btn:focus-visible{outline:3px solid var(--primary-light);outline-offset:2px}

/* ===== Header Top Bar ===== */
.header-top{background:var(--bg-dark);color:var(--text-lighter);font-size:0.85rem;height:var(--header-top-h);display:flex;align-items:center}
.header-top .container{display:flex;justify-content:space-between;align-items:center}
.header-top a{color:var(--text-lighter);transition:color var(--transition)}
.header-top a:hover{color:var(--text-white)}
.header-top-info{display:flex;align-items:center;gap:12px}
.header-top-info i{color:var(--secondary);font-size:0.75rem}
.header-top-links{display:flex;align-items:center;gap:20px}
@media(max-width:768px){.header-top{font-size:0.75rem}.header-top-links{display:none}}

/* ===== Main Navigation ===== */
.main-header{position:sticky;top:0;z-index:var(--z-header);background:var(--bg-white);border-bottom:1px solid var(--border);transition:box-shadow var(--transition)}
.main-header.scrolled{box-shadow:0 4px 20px rgba(0,0,0,0.08)}
.main-header .container{display:flex;align-items:center;justify-content:space-between;height:var(--header-nav-h)}
.logo{display:flex;align-items:center;gap:10px;font-size:1.3rem;font-weight:800;color:var(--primary);white-space:nowrap}
.logo i{font-size:1.5rem;color:var(--secondary)}
.logo span{background:linear-gradient(135deg,var(--primary),var(--primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-list{display:flex;align-items:center;gap:8px}
.nav-list a{display:block;padding:10px 20px;border-radius:var(--radius-sm);font-weight:500;color:var(--text);transition:all var(--transition);position:relative}
.nav-list a:hover{background:var(--primary-bg);color:var(--primary)}
.nav-list a.active{background:var(--primary);color:var(--text-white)}
.nav-list a.active:hover{background:var(--primary-dark);color:var(--text-white)}
.nav-cta{display:inline-flex;align-items:center;gap:8px;padding:10px 24px;background:var(--secondary);color:var(--text-white);border-radius:var(--radius-sm);font-weight:600;transition:all var(--transition)}
.nav-cta:hover{background:var(--secondary-dark);color:var(--text-white);transform:translateY(-1px);box-shadow:0 4px 16px rgba(249,115,22,0.3)}
.mobile-toggle{display:none;font-size:1.4rem;color:var(--text);padding:8px;border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition)}
.mobile-toggle:hover{background:var(--bg-gray)}
@media(max-width:900px){
  .nav-list{position:fixed;top:calc(var(--header-top-h) + var(--header-nav-h));left:0;right:0;bottom:0;background:var(--bg-white);flex-direction:column;padding:24px 16px;gap:4px;transform:translateX(100%);transition:transform var(--transition);z-index:var(--z-overlay);overflow-y:auto;border-top:1px solid var(--border)}
  .nav-list.open{transform:translateX(0)}
  .nav-list a{width:100%;padding:14px 20px;font-size:1.05rem}
  .mobile-toggle{display:flex;align-items:center;justify-content:center}
  .nav-cta{width:100%;justify-content:center;margin-top:8px;padding:14px 20px}
}
@media(max-width:520px){
  .logo{font-size:1.05rem}
  .logo i{font-size:1.2rem}
}

/* ===== Hero ===== */
.hero{position:relative;min-height:86vh;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center center / cover no-repeat;z-index:0}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(15,23,42,0.82) 0%,rgba(15,23,42,0.50) 60%,rgba(15,23,42,0.20) 100%);z-index:1}
.hero .container{position:relative;z-index:2;padding-top:40px;padding-bottom:40px}
.hero-content{max-width:720px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 20px;background:rgba(255,255,255,0.12);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,0.18);border-radius:var(--radius-xl);color:var(--text-white);font-size:0.9rem;font-weight:500;margin-bottom:24px}
.hero-badge i{color:var(--secondary);font-size:0.85rem}
.hero h1{color:var(--text-white);font-size:clamp(2.2rem, 5.5vw, 3.6rem);font-weight:800;line-height:1.15;margin-bottom:20px}
.hero h1 .highlight{background:linear-gradient(135deg,var(--secondary),var(--secondary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{color:rgba(255,255,255,0.80);font-size:clamp(1rem, 2vw, 1.2rem);max-width:580px;margin-bottom:36px;line-height:1.7}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;margin-top:48px;padding-top:32px;border-top:1px solid rgba(255,255,255,0.15)}
.hero-stat{text-align:left}
.hero-stat-number{font-size:1.8rem;font-weight:800;color:var(--text-white)}
.hero-stat-label{font-size:0.9rem;color:rgba(255,255,255,0.65);margin-top:2px}
@media(max-width:768px){
  .hero{min-height:70vh}
  .hero-stats{gap:24px;margin-top:32px;padding-top:24px}
  .hero-stat-number{font-size:1.4rem}
}
@media(max-width:520px){
  .hero h1{font-size:1.8rem}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%;text-align:center}
}

/* ===== Features / Advantages ===== */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:28px}
.feature-card{background:var(--bg-white);border-radius:var(--radius);padding:36px 28px;border:1px solid var(--border);transition:all var(--transition);text-align:center}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.feature-icon{width:64px;height:64px;margin:0 auto 20px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius);font-size:1.5rem;color:var(--text-white);background:linear-gradient(135deg,var(--primary),var(--primary-light))}
.feature-card h3{font-size:1.2rem;margin-bottom:12px}
.feature-card p{font-size:0.95rem;color:var(--text-light);margin-bottom:0}
.feature-card:nth-child(2) .feature-icon{background:linear-gradient(135deg,var(--secondary),var(--secondary-light))}
.feature-card:nth-child(3) .feature-icon{background:linear-gradient(135deg,var(--accent),var(--accent-dark))}
.feature-card:nth-child(4) .feature-icon{background:linear-gradient(135deg,#8b5cf6,#a78bfa)}

/* ===== Sports Categories ===== */
.sports-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px}
.sport-card{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--bg-white);border:1px solid var(--border);transition:all var(--transition);cursor:pointer;aspect-ratio:3/2;display:flex;align-items:flex-end}
.sport-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.sport-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow)}
.sport-card:hover img{transform:scale(1.08)}
.sport-card-overlay{position:absolute;inset:0;background:linear-gradient(0deg,rgba(15,23,42,0.75) 0%,rgba(15,23,42,0.10) 100%);z-index:1}
.sport-card-content{position:relative;z-index:2;padding:20px 18px;width:100%}
.sport-card-content h3{color:var(--text-white);font-size:1.1rem;font-weight:700;margin-bottom:4px}
.sport-card-content p{color:rgba(255,255,255,0.70);font-size:0.85rem;margin-bottom:0}
.sport-card .badge{position:absolute;top:14px;right:14px;z-index:3;padding:4px 12px;background:var(--secondary);color:var(--text-white);border-radius:var(--radius-xl);font-size:0.75rem;font-weight:600}

/* ===== Latest News (CMS) ===== */
.news-list{display:grid;grid-template-columns:1fr;gap:16px}
.news-item{display:flex;align-items:flex-start;gap:20px;padding:24px 28px;background:var(--bg-white);border-radius:var(--radius);border:1px solid var(--border);transition:all var(--transition)}
.news-item:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:var(--primary-light)}
.news-item-icon{flex-shrink:0;width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:var(--primary-bg);color:var(--primary);border-radius:var(--radius-sm);font-size:1.1rem}
.news-item-body{flex:1;min-width:0}
.news-item-body h3{font-size:1.05rem;font-weight:600;margin-bottom:6px;line-height:1.4}
.news-item-body h3 a{color:var(--text);transition:color var(--transition)}
.news-item-body h3 a:hover{color:var(--primary)}
.news-item-body p{font-size:0.9rem;color:var(--text-light);margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;font-size:0.82rem;color:var(--text-lighter)}
.news-meta span{display:inline-flex;align-items:center;gap:4px}
.news-meta .cat{background:var(--primary-bg);color:var(--primary);padding:2px 12px;border-radius:var(--radius-xl);font-weight:500;font-size:0.75rem}
.news-empty{padding:48px 24px;text-align:center;background:var(--bg-white);border-radius:var(--radius);border:1px dashed var(--border);color:var(--text-lighter);font-size:1rem}
@media(max-width:768px){
  .news-item{padding:18px 20px;flex-direction:column;gap:12px}
  .news-item-icon{width:36px;height:36px;font-size:0.95rem}
}

/* ===== Stats Counter ===== */
.stats-section{background:var(--bg-dark);position:relative;overflow:hidden}
.stats-section::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center center / cover no-repeat;opacity:0.08;z-index:0}
.stats-section .container{position:relative;z-index:1}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:32px;text-align:center}
.stat-item{padding:24px 12px}
.stat-number{font-size:2.8rem;font-weight:800;color:var(--text-white);line-height:1.2}
.stat-number span{color:var(--secondary)}
.stat-label{font-size:1rem;color:rgba(255,255,255,0.65);margin-top:8px}
.stat-icon{font-size:2rem;color:var(--secondary);margin-bottom:16px;opacity:0.8}
@media(max-width:768px){
  .stat-number{font-size:2rem}
  .stats-grid{gap:16px}
}

/* ===== How It Works ===== */
.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:32px;counter-reset:step}
.step-card{text-align:center;padding:32px 20px;background:var(--bg-white);border-radius:var(--radius);border:1px solid var(--border);transition:all var(--transition);position:relative}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.step-number{width:56px;height:56px;margin:0 auto 20px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:1.3rem;font-weight:800;color:var(--text-white);background:linear-gradient(135deg,var(--primary),var(--primary-light));position:relative}
.step-number::after{content:'';position:absolute;inset:-4px;border-radius:50%;border:2px dashed var(--primary-light);opacity:0.3}
.step-card h3{font-size:1.1rem;margin-bottom:10px}
.step-card p{font-size:0.92rem;color:var(--text-light);margin-bottom:0}
.step-card:nth-child(2) .step-number{background:linear-gradient(135deg,var(--secondary),var(--secondary-light))}
.step-card:nth-child(3) .step-number{background:linear-gradient(135deg,var(--accent),var(--accent-dark))}
.step-card:nth-child(4) .step-number{background:linear-gradient(135deg,#8b5cf6,#a78bfa)}

/* ===== FAQ ===== */
.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);border:1px solid var(--border);overflow:hidden;transition:all var(--transition)}
.faq-item:hover{border-color:var(--primary-light)}
.faq-question{display:flex;align-items:center;justify-content:space-between;width:100%;padding:20px 24px;font-weight:600;font-size:1.02rem;text-align:left;color:var(--text);background:none;transition:color var(--transition);gap:16px}
.faq-question:hover{color:var(--primary)}
.faq-question i{font-size:0.85rem;color:var(--text-lighter);transition:transform var(--transition);flex-shrink:0}
.faq-item.active .faq-question i{transform:rotate(180deg);color:var(--primary)}
.faq-answer{padding:0 24px 20px;font-size:0.95rem;color:var(--text-light);line-height:1.7;display:none}
.faq-item.active .faq-answer{display:block}
.faq-item.active{border-color:var(--primary-light);box-shadow:0 2px 12px rgba(26,86,219,0.08)}

/* ===== CTA ===== */
.cta-section{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 50%,var(--primary-light) 100%);position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-3.png') center center / cover no-repeat;opacity:0.06;z-index:0}
.cta-section .container{position:relative;z-index:1;text-align:center;padding:80px 24px}
.cta-section h2{color:var(--text-white);font-size:clamp(1.6rem, 3.5vw, 2.4rem);margin-bottom:16px}
.cta-section p{color:rgba(255,255,255,0.80);max-width:560px;margin:0 auto 32px;font-size:1.05rem}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:16px}
.cta-actions .btn-outline{border-color:rgba(255,255,255,0.5)}
.cta-actions .btn-outline:hover{background:var(--text-white);color:var(--primary);border-color:var(--text-white)}
@media(max-width:768px){
  .cta-section .container{padding:56px 16px}
  .cta-actions{flex-direction:column;align-items:center}
  .cta-actions .btn{width:100%;max-width:320px}
}

/* ===== Footer ===== */
.site-footer{background:var(--bg-dark);color:var(--text-lighter);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,0.06)}
.footer-brand .logo{color:var(--text-white);margin-bottom:16px}
.footer-brand .logo span{-webkit-text-fill-color:var(--text-white);background:none}
.footer-brand p{font-size:0.92rem;color:var(--text-lighter);margin-bottom:20px;max-width:320px}
.footer-social{display:flex;gap:12px}
.footer-social a{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(255,255,255,0.06);color:var(--text-lighter);transition:all var(--transition);font-size:1rem}
.footer-social a:hover{background:var(--primary);color:var(--text-white);transform:translateY(-2px)}
.footer-col h4{color:var(--text-white);font-size:1rem;font-weight:600;margin-bottom:20px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:var(--text-lighter);font-size:0.9rem;transition:all var(--transition);display:inline-flex;align-items:center;gap:6px}
.footer-col ul a:hover{color:var(--secondary);transform:translateX(4px)}
.footer-bottom{padding:24px 0;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;font-size:0.85rem;color:var(--text-lighter)}
.footer-bottom a{color:var(--text-lighter)}
.footer-bottom a:hover{color:var(--secondary)}
@media(max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
}
@media(max-width:520px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;text-align:center}
}

/* ===== Back to Top ===== */
.back-to-top{position:fixed;bottom:32px;right:32px;width:48px;height:48px;border-radius:50%;background:var(--primary);color:var(--text-white);display:flex;align-items:center;justify-content:center;font-size:1.2rem;box-shadow:var(--shadow-lg);z-index:50;opacity:0;visibility:hidden;transform:translateY(20px);transition:all var(--transition)}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{background:var(--primary-dark);color:var(--text-white);transform:translateY(-4px);box-shadow:var(--shadow-xl)}

/* ===== Utility ===== */
.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}
.divider{width:60px;height:4px;background:linear-gradient(135deg,var(--primary),var(--secondary));border-radius:4px;margin:0 auto 20px}
.bg-white{background:var(--bg-white)}
.bg-gray{background:var(--bg-gray)}

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #0f1c2e;
            --primary-light: #1a2f4a;
            --primary-dark: #0a1420;
            --secondary: #d41b2c;
            --secondary-hover: #b01523;
            --accent: #f0b429;
            --accent-light: #f7d674;
            --bg: #ffffff;
            --bg-alt: #f4f6f9;
            --bg-dark: #0f1c2e;
            --text: #1a1a2e;
            --text-light: #5a6a7a;
            --text-white: #f0f4f8;
            --border: #e2e6ed;
            --border-light: #f0f2f5;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --radius-sm: 6px;
            --radius: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            --container: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        a:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 28, 46, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #ffffff;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo i {
            font-size: 26px;
            color: var(--accent);
        }
        .logo span {
            background: linear-gradient(135deg, #ffffff 60%, var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
        }
        .nav-list a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-list a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-list a.active {
            color: #ffffff;
            background: var(--secondary);
            box-shadow: 0 4px 14px rgba(212, 27, 44, 0.35);
        }
        .nav-list a.active:hover {
            background: var(--secondary-hover);
        }
        .nav-list a.nav-cta {
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 600;
            padding: 8px 22px;
            box-shadow: 0 4px 14px rgba(240, 180, 41, 0.3);
        }
        .nav-list a.nav-cta:hover {
            background: #e0a820;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(240, 180, 41, 0.4);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: background var(--transition);
            border: none;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #ffffff;
            border-radius: 4px;
            transition: all var(--transition);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        @media (max-width: 820px) {
            .nav-toggle {
                display: flex;
            }
            .nav-list {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(15, 28, 46, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 20px 24px 28px;
                gap: 6px;
                transform: translateY(-110%);
                opacity: 0;
                visibility: hidden;
                transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                max-height: calc(100vh - var(--header-h));
                overflow-y: auto;
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .nav-list a {
                width: 100%;
                justify-content: center;
                padding: 12px 18px;
                font-size: 16px;
                border-radius: var(--radius-sm);
            }
            .nav-list a.nav-cta {
                margin-top: 6px;
            }
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            min-height: 360px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-dark);
            overflow: hidden;
            isolation: isolate;
        }
        .article-hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            transform: scale(1.05);
            transition: transform 0.6s ease;
        }
        .article-hero:hover .article-hero-bg {
            transform: scale(1);
        }
        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(135deg, rgba(15, 28, 46, 0.92) 30%, rgba(15, 28, 46, 0.6) 70%, rgba(212, 27, 44, 0.3) 100%);
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 60px 24px;
            max-width: 860px;
        }
        .article-hero .category-badge {
            display: inline-block;
            background: var(--secondary);
            color: #ffffff;
            font-size: 13px;
            font-weight: 600;
            padding: 5px 18px;
            border-radius: 30px;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            box-shadow: 0 4px 12px rgba(212, 27, 44, 0.3);
        }
        .article-hero h1 {
            color: #ffffff;
            font-size: clamp(28px, 4vw, 48px);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .article-hero .meta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px 24px;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
        }
        .article-hero .meta i {
            margin-right: 6px;
            color: var(--accent);
        }
        .article-hero .meta span {
            display: inline-flex;
            align-items: center;
        }
        @media (max-width: 768px) {
            .article-hero {
                min-height: 260px;
            }
            .article-hero .container {
                padding: 40px 16px;
            }
        }

        /* ===== Article Main ===== */
        .article-main {
            padding: 60px 0 40px;
            background: var(--bg);
        }
        .article-layout {
            max-width: 820px;
            margin: 0 auto;
        }
        .article-body {
            font-size: 17px;
            line-height: 1.85;
            color: var(--text);
        }
        .article-body p {
            margin-bottom: 1.4em;
        }
        .article-body h2,
        .article-body h3,
        .article-body h4 {
            margin-top: 1.8em;
            margin-bottom: 0.6em;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
        }
        .article-body h2 {
            font-size: 26px;
        }
        .article-body h3 {
            font-size: 21px;
        }
        .article-body img {
            border-radius: var(--radius);
            margin: 1.6em auto;
            box-shadow: var(--shadow);
            max-width: 100%;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.4em;
            padding-left: 1.6em;
        }
        .article-body ul li {
            list-style: disc;
            margin-bottom: 0.3em;
        }
        .article-body ol li {
            list-style: decimal;
            margin-bottom: 0.3em;
        }
        .article-body blockquote {
            border-left: 4px solid var(--secondary);
            background: var(--bg-alt);
            padding: 16px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.6em 0;
            color: var(--text-light);
            font-style: italic;
        }
        .article-body a {
            color: var(--secondary);
            border-bottom: 1px solid transparent;
        }
        .article-body a:hover {
            border-bottom-color: var(--secondary);
        }
        .article-body code {
            background: var(--bg-alt);
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 0.9em;
            font-family: 'SF Mono', 'Fira Code', monospace;
        }
        .article-body pre {
            background: var(--primary-dark);
            color: var(--text-white);
            padding: 20px 24px;
            border-radius: var(--radius);
            overflow-x: auto;
            margin: 1.6em 0;
            font-size: 14px;
            line-height: 1.6;
        }
        .article-body pre code {
            background: none;
            padding: 0;
            color: inherit;
        }

        /* ===== Article Footer ===== */
        .article-footer {
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-tags .tag {
            display: inline-block;
            background: var(--bg-alt);
            color: var(--text-light);
            font-size: 13px;
            padding: 4px 14px;
            border-radius: 30px;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .article-tags .tag:hover {
            background: var(--primary);
            color: #ffffff;
            border-color: var(--primary);
        }
        .article-share {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .article-share span {
            font-size: 14px;
            color: var(--text-light);
        }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-alt);
            color: var(--text-light);
            border: 1px solid var(--border);
            transition: all var(--transition);
            font-size: 16px;
        }
        .article-share a:hover {
            background: var(--primary);
            color: #ffffff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== Not Found ===== */
        .not-found-wrap {
            text-align: center;
            padding: 80px 24px;
            max-width: 600px;
            margin: 0 auto;
        }
        .not-found-wrap .icon {
            font-size: 64px;
            color: var(--border);
            margin-bottom: 20px;
        }
        .not-found-wrap h1 {
            font-size: 32px;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .not-found-wrap p {
            color: var(--text-light);
            margin-bottom: 28px;
            font-size: 17px;
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 60px 0 80px;
            background: var(--bg-alt);
        }
        .related-section .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            text-align: center;
        }
        .related-section .section-sub {
            text-align: center;
            color: var(--text-light);
            margin-bottom: 40px;
            font-size: 16px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: #ffffff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .related-card .card-img {
            height: 180px;
            background: var(--bg-alt);
            overflow: hidden;
        }
        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
            border-radius: 0;
        }
        .related-card:hover .card-img img {
            transform: scale(1.05);
        }
        .related-card .card-body {
            padding: 18px 20px 22px;
        }
        .related-card .card-body .cat {
            font-size: 12px;
            font-weight: 600;
            color: var(--secondary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .related-card .card-body h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            line-height: 1.4;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body .date {
            font-size: 13px;
            color: var(--text-light);
        }
        .related-card .card-body .date i {
            margin-right: 4px;
        }
        @media (max-width: 900px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 560px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Back CTA ===== */
        .back-cta {
            text-align: center;
            padding: 32px 0 0;
        }
        .back-cta .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 30px;
            border-radius: 30px;
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--secondary);
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(212, 27, 44, 0.25);
        }
        .btn-primary:hover {
            background: var(--secondary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 27, 44, 0.35);
            color: #ffffff;
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--border);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            background: var(--primary);
            color: #ffffff;
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 17px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand .logo {
            font-size: 22px;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 360px;
            margin-bottom: 20px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.6);
            font-size: 18px;
            transition: all var(--transition);
        }
        .footer-social a:hover {
            background: var(--secondary);
            color: #ffffff;
            transform: translateY(-2px);
        }
        .footer-col h4 {
            color: #ffffff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 560px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }

        /* ===== Responsive Fine-tune ===== */
        @media (max-width: 768px) {
            .article-body {
                font-size: 16px;
                line-height: 1.75;
            }
            .article-body h2 {
                font-size: 22px;
            }
            .article-body h3 {
                font-size: 18px;
            }
            .article-footer {
                flex-direction: column;
                align-items: flex-start;
            }
            .related-section .section-title {
                font-size: 22px;
            }
        }
        @media (max-width: 480px) {
            .article-hero h1 {
                font-size: 24px;
            }
            .article-hero .meta {
                font-size: 13px;
                gap: 8px 16px;
            }
            .not-found-wrap h1 {
                font-size: 26px;
            }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #264653;
            --accent: #f4a261;
            --accent-light: #e9c46a;
            --bg: #f8f9fa;
            --bg-alt: #ffffff;
            --bg-dark: #0f1a2e;
            --text: #1a1a2e;
            --text-light: #6c757d;
            --text-white: #ffffff;
            --border: #e0e0e0;
            --border-light: #f0f0f0;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 16px 48px rgba(230, 57, 70, 0.15);
            --radius-sm: 8px;
            --radius: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --container: 1200px;
            --header-h: 80px;
            --topbar-h: 40px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
        }

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

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

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

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ===== Top Bar ===== */
        .topbar {
            background: var(--secondary);
            color: var(--text-white);
            font-size: 13px;
            height: var(--topbar-h);
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .topbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }

        .topbar-left {
            display: flex;
            align-items: center;
            gap: 8px;
            opacity: 0.85;
        }

        .topbar-left i {
            font-size: 12px;
        }

        .topbar-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .topbar-right a {
            opacity: 0.85;
            transition: var(--transition);
        }

        .topbar-right a:hover {
            opacity: 1;
            color: var(--accent-light);
        }

        .topbar-divider {
            width: 1px;
            height: 14px;
            background: rgba(255, 255, 255, 0.25);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-alt);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--header-h);
            display: flex;
            align-items: center;
            transition: var(--transition);
        }

        .site-header .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
        }

        .logo i {
            font-size: 28px;
            color: var(--primary);
        }

        .logo span {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

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

        .nav-list a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
            position: relative;
        }

        .nav-list a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
            transition: var(--transition);
        }

        .nav-list a:hover {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.06);
        }

        .nav-list a:hover::after {
            width: 60%;
        }

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

        .nav-list a.active::after {
            width: 60%;
        }

        .nav-list .nav-cta {
            background: var(--primary);
            color: var(--text-white) !important;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3);
        }

        .nav-list .nav-cta::after {
            display: none;
        }

        .nav-list .nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.4);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            background: none;
            border: none;
        }

        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text);
            border-radius: 4px;
            transition: var(--transition);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ===== Mobile Nav ===== */
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-h);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-alt);
            z-index: 999;
            padding: 24px;
            flex-direction: column;
            gap: 12px;
            overflow-y: auto;
            box-shadow: var(--shadow-lg);
            border-top: 1px solid var(--border-light);
        }

        .mobile-nav.open {
            display: flex;
        }

        .mobile-nav a {
            padding: 14px 20px;
            border-radius: var(--radius-sm);
            font-size: 17px;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
            border: 1px solid var(--border-light);
        }

        .mobile-nav a.active {
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
            border-color: rgba(230, 57, 70, 0.2);
        }

        .mobile-nav a:hover {
            background: rgba(230, 57, 70, 0.05);
        }

        .mobile-nav .nav-cta-mobile {
            background: var(--primary);
            color: var(--text-white) !important;
            border: none;
            text-align: center;
            font-weight: 600;
        }

        .mobile-nav .nav-cta-mobile:hover {
            background: var(--primary-dark);
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: var(--bg-dark);
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.35;
            filter: brightness(0.5);
        }

        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 46, 0.85) 0%, rgba(230, 57, 70, 0.35) 100%);
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
            padding: 60px 24px;
        }

        .page-banner h1 {
            font-size: 48px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -1px;
            line-height: 1.2;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .page-banner p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }

        .banner-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }

        .banner-tags span {
            padding: 6px 18px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(4px);
            color: var(--text-white);
            font-size: 14px;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: var(--transition);
        }

        .banner-tags span:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        .banner-tags span i {
            margin-right: 6px;
            font-size: 12px;
            opacity: 0.8;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            padding: 18px 0;
            background: var(--bg-alt);
            border-bottom: 1px solid var(--border-light);
        }

        .breadcrumb .container {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-light);
        }

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

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

        .breadcrumb .separator {
            color: var(--border);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

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

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

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

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-header p {
            font-size: 17px;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.8;
        }

        .section-header.light p {
            color: rgba(255, 255, 255, 0.75);
        }

        .section-header .subtitle-badge {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 50px;
            background: rgba(230, 57, 70, 0.1);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-header.light .subtitle-badge {
            background: rgba(255, 255, 255, 0.12);
            color: var(--text-white);
        }

        /* ===== Category Filter Tabs ===== */
        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-bottom: 40px;
        }

        .filter-tabs button {
            padding: 10px 24px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            border: 2px solid var(--border);
            background: var(--bg-alt);
            color: var(--text);
            transition: var(--transition);
            cursor: pointer;
        }

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

        .filter-tabs button.active {
            border-color: var(--primary);
            background: var(--primary);
            color: var(--text-white);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
        }

        .filter-tabs button i {
            margin-right: 6px;
        }

        /* ===== News / Content Grid ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .news-card {
            background: var(--bg-alt);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: rgba(230, 57, 70, 0.15);
        }

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

        .news-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .news-card:hover .card-img img {
            transform: scale(1.05);
        }

        .news-card .card-img .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 14px;
            border-radius: 50px;
            background: var(--primary);
            color: var(--text-white);
            font-size: 12px;
            font-weight: 600;
            box-shadow: 0 2px 12px rgba(230, 57, 70, 0.3);
        }

        .news-card .card-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 8px;
        }

        .news-card .card-body .card-meta i {
            margin-right: 4px;
            font-size: 12px;
        }

        .news-card .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text);
            transition: var(--transition);
        }

        .news-card:hover .card-body h3 {
            color: var(--primary);
        }

        .news-card .card-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card .card-body .card-footer-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 16px;
            transition: var(--transition);
        }

        .news-card .card-body .card-footer-link i {
            font-size: 12px;
            transition: var(--transition);
        }

        .news-card .card-body .card-footer-link:hover {
            gap: 10px;
        }

        /* ===== Featured / Large Card ===== */
        .featured-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            background: var(--bg-alt);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            margin-bottom: 40px;
        }

        .featured-card .featured-img {
            aspect-ratio: 4/3;
            overflow: hidden;
            background: var(--bg);
        }

        .featured-card .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .featured-card:hover .featured-img img {
            transform: scale(1.03);
        }

        .featured-card .featured-body {
            padding: 40px 44px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-card .featured-body .featured-badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            background: rgba(230, 57, 70, 0.1);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 12px;
            width: fit-content;
        }

        .featured-card .featured-body h3 {
            font-size: 26px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--text);
        }

        .featured-card .featured-body p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .featured-card .featured-body .featured-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 20px;
        }

        .featured-card .featured-body .btn {
            align-self: flex-start;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--text-white);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.4);
        }

        .btn-outline {
            background: transparent;
            color: var(--text);
            border: 2px solid var(--border);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(230, 57, 70, 0.04);
            transform: translateY(-2px);
        }

        .btn-light {
            background: var(--text-white);
            color: var(--primary);
        }

        .btn-light:hover {
            background: rgba(255, 255, 255, 0.9);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 17px;
        }

        /* ===== Ranking / List ===== */
        .ranking-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--bg-alt);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            cursor: pointer;
        }

        .ranking-item:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow-sm);
            border-color: rgba(230, 57, 70, 0.15);
        }

        .ranking-item .rank-num {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            min-width: 36px;
            text-align: center;
        }

        .ranking-item .rank-num.top {
            color: var(--accent);
        }

        .ranking-item .rank-info {
            flex: 1;
        }

        .ranking-item .rank-info h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 2px;
        }

        .ranking-item .rank-info span {
            font-size: 13px;
            color: var(--text-light);
        }

        .ranking-item .rank-hot {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(230, 57, 70, 0.08);
            padding: 2px 12px;
            border-radius: 50px;
        }

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

        .stat-item {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-alt);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }

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

        .stat-item .stat-icon {
            font-size: 36px;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .stat-item .stat-number {
            font-size: 38px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
        }

        .stat-item .stat-label {
            font-size: 15px;
            color: var(--text-light);
            margin-top: 4px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-alt);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(230, 57, 70, 0.15);
        }

        .faq-question {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            transition: var(--transition);
            user-select: none;
        }

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

        .faq-question i {
            transition: var(--transition);
            font-size: 14px;
            color: var(--text-light);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.8;
        }

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

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background: var(--bg-dark);
            overflow: hidden;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.15;
            filter: brightness(0.4);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 46, 0.9) 0%, rgba(230, 57, 70, 0.3) 100%);
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 38px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

        .cta-section .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

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

        .footer-brand .logo span {
            background: linear-gradient(135deg, #ff6b6b, #e63946);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-brand .logo i {
            color: #ff6b6b;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
            max-width: 360px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.6);
            font-size: 18px;
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: var(--primary);
            color: var(--text-white);
            transform: translateY(-3px);
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }

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

        /* ===== Pagination ===== */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            margin-top: 48px;
        }

        .pagination a,
        .pagination span {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: 1px solid var(--border);
            background: var(--bg-alt);
            color: var(--text);
            transition: var(--transition);
        }

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

        .pagination .active {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3);
        }

        .pagination .next,
        .pagination .prev {
            width: auto;
            padding: 0 20px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .featured-card {
                grid-template-columns: 1fr;
            }

            .featured-card .featured-img {
                aspect-ratio: 16/9;
            }

            .featured-card .featured-body {
                padding: 28px 32px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .page-banner h1 {
                font-size: 36px;
            }

            .ranking-list {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-h: 64px;
                --topbar-h: 36px;
            }

            .topbar {
                font-size: 12px;
            }

            .topbar-right span {
                display: none;
            }

            .nav-list {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .section {
                padding: 56px 0;
            }

            .section-header h2 {
                font-size: 28px;
            }

            .section-header p {
                font-size: 15px;
            }

            .page-banner {
                min-height: 240px;
            }

            .page-banner h1 {
                font-size: 28px;
            }

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

            .banner-tags span {
                font-size: 12px;
                padding: 4px 14px;
            }

            .news-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .featured-card .featured-body {
                padding: 24px;
            }

            .featured-card .featured-body h3 {
                font-size: 20px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .stat-item {
                padding: 24px 16px;
            }

            .stat-item .stat-number {
                font-size: 28px;
            }

            .filter-tabs {
                gap: 8px;
            }

            .filter-tabs button {
                padding: 8px 16px;
                font-size: 13px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }

            .cta-section h2 {
                font-size: 28px;
            }

            .pagination a,
            .pagination span {
                width: 38px;
                height: 38px;
                font-size: 13px;
            }
        }

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

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

            .page-banner p {
                font-size: 14px;
            }

            .section-header h2 {
                font-size: 24px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-item .stat-number {
                font-size: 24px;
            }

            .stat-item .stat-icon {
                font-size: 28px;
            }

            .featured-card .featured-body {
                padding: 20px;
            }

            .featured-card .featured-body h3 {
                font-size: 18px;
            }

            .news-card .card-body {
                padding: 16px 18px 20px;
            }

            .news-card .card-body h3 {
                font-size: 16px;
            }

            .btn {
                padding: 10px 22px;
                font-size: 14px;
            }

            .cta-section .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
        }

        /* ===== Animations ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

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

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