/* roulang page: index */
:root {
  --primary: #0f172a;
  --primary-light: #1e293b;
  --secondary: #f59e0b;
  --secondary-hover: #d97706;
  --accent: #10b981;
  --accent-hover: #059669;
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --bg-dark: #0f172a;
  --bg-muted: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --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 12px 40px rgba(0,0,0,0.12);
  --shadow-xl: 0 24px 60px rgba(0,0,0,0.16);
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 80px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-sans);font-size:16px;line-height:1.7;color:var(--text-primary);background:var(--bg-body);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-md)}
a{color:inherit;text-decoration:none;transition:var(--transition)}
button,input,textarea,select{font-family:inherit;font-size:inherit;border:none;outline:none;transition:var(--transition)}
button{cursor:pointer;background:none}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{line-height:1.3;font-weight:700;color:var(--text-primary)}
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:1.1rem}
p{margin-bottom:1rem;color:var(--text-secondary)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--space-lg)}
.section{padding:var(--space-3xl) 0}
.section-dark{background:var(--bg-dark);color:var(--text-inverse)}
.section-dark h2,.section-dark h3,.section-dark .section-subtitle{color:var(--text-inverse)}
.section-dark p{color:rgba(255,255,255,0.75)}
.section-muted{background:var(--bg-muted)}
.section-title{text-align:center;margin-bottom:var(--space-sm)}
.section-subtitle{text-align:center;font-size:1.1rem;color:var(--text-secondary);max-width:640px;margin:0 auto var(--space-2xl)}
.section-dark .section-subtitle{color:rgba(255,255,255,0.65)}
/* header */
.header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,0.96);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);box-shadow:0 1px 4px rgba(0,0,0,0.04)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:var(--space-lg)}
.logo{display:flex;align-items:center;gap:var(--space-sm);font-size:1.35rem;font-weight:800;color:var(--primary);letter-spacing:-0.5px}
.logo i{font-size:1.6rem;color:var(--secondary)}
.nav{display:flex;align-items:center;gap:var(--space-xl)}
.nav a{font-size:0.95rem;font-weight:500;color:var(--text-secondary);padding:var(--space-xs) 0;position:relative;transition:var(--transition)}
.nav a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--secondary);border-radius:2px;transition:var(--transition)}
.nav a:hover,.nav a.active{color:var(--primary)}
.nav a:hover::after,.nav a.active::after{width:100%}
.nav a.active{color:var(--primary);font-weight:600}
.nav-cta{display:inline-flex;align-items:center;gap:var(--space-sm);background:var(--secondary);color:var(--text-inverse) !important;padding:var(--space-sm) var(--space-lg) !important;border-radius:var(--radius-sm);font-weight:600 !important;font-size:0.9rem !important;transition:var(--transition)}
.nav-cta:hover{background:var(--secondary-hover) !important;transform:translateY(-1px);box-shadow:0 4px 12px rgba(245,158,11,0.35)}
.nav-cta::after{display:none !important}
.nav-toggle{display:none;font-size:1.5rem;color:var(--primary);background:none;border:none;cursor:pointer;padding:var(--space-sm)}
@media(max-width:768px){
  .nav-toggle{display:block}
  .nav{position:fixed;top:68px;left:0;right:0;background:rgba(255,255,255,0.98);backdrop-filter:blur(12px);flex-direction:column;padding:var(--space-lg);gap:var(--space-md);border-bottom:1px solid var(--border);transform:translateY(-120%);opacity:0;pointer-events:none;transition:var(--transition);box-shadow:var(--shadow-lg)}
  .nav.open{transform:translateY(0);opacity:1;pointer-events:all}
  .nav a{width:100%;padding:var(--space-sm) 0;font-size:1.05rem}
  .nav-cta{justify-content:center;margin-top:var(--space-sm)}
}
/* hero */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg, rgba(15,23,42,0.88) 0%, rgba(30,41,59,0.82) 100%),url('/assets/images/backpic/back-1.png') center center / cover no-repeat;color:var(--text-inverse);padding:var(--space-4xl) 0;overflow:hidden}
.hero::before{content:'';position:absolute;bottom:0;left:0;right:0;height:120px;background:linear-gradient(to top, var(--bg-body), transparent);z-index:1}
.hero-content{position:relative;z-index:2;text-align:center;max-width:820px;margin:0 auto}
.hero-badge{display:inline-flex;align-items:center;gap:var(--space-sm);background:rgba(255,255,255,0.12);backdrop-filter:blur(8px);padding:var(--space-sm) var(--space-lg);border-radius:50px;font-size:0.85rem;font-weight:500;margin-bottom:var(--space-lg);border:1px solid rgba(255,255,255,0.15)}
.hero-badge i{color:var(--secondary)}
.hero h1{font-size:clamp(2.2rem, 6vw, 3.8rem);font-weight:800;line-height:1.2;margin-bottom:var(--space-md);letter-spacing:-0.5px}
.hero h1 span{color:var(--secondary)}
.hero p{font-size:clamp(1rem, 2vw, 1.25rem);color:rgba(255,255,255,0.8);max-width:600px;margin:0 auto var(--space-xl)}
.hero-actions{display:flex;flex-wrap:wrap;gap:var(--space-md);justify-content:center}
.btn{display:inline-flex;align-items:center;gap:var(--space-sm);padding:0.75rem 1.75rem;border-radius:var(--radius-sm);font-weight:600;font-size:1rem;transition:var(--transition);border:none;cursor:pointer}
.btn-primary{background:var(--secondary);color:var(--text-inverse);box-shadow:0 4px 14px rgba(245,158,11,0.35)}
.btn-primary:hover{background:var(--secondary-hover);transform:translateY(-2px);box-shadow:0 8px 24px rgba(245,158,11,0.4)}
.btn-outline{background:transparent;color:var(--text-inverse);border:2px solid rgba(255,255,255,0.3)}
.btn-outline:hover{background:rgba(255,255,255,0.1);border-color:rgba(255,255,255,0.6);transform:translateY(-2px)}
.btn-accent{background:var(--accent);color:var(--text-inverse);box-shadow:0 4px 14px rgba(16,185,129,0.35)}
.btn-accent:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 8px 24px rgba(16,185,129,0.4)}
.btn-lg{padding:1rem 2.5rem;font-size:1.1rem;border-radius:var(--radius-md)}
.hero-stats{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--space-2xl);margin-top:var(--space-2xl);padding-top:var(--space-xl);border-top:1px solid rgba(255,255,255,0.12)}
.hero-stat{text-align:center}
.hero-stat-number{font-size:2rem;font-weight:800;color:var(--secondary)}
.hero-stat-label{font-size:0.9rem;color:rgba(255,255,255,0.6);margin-top:var(--space-xs)}
@media(max-width:768px){
  .hero{min-height:80vh}
  .hero-stats{gap:var(--space-lg)}
  .hero-stat-number{font-size:1.6rem}
}
/* features */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-lg)}
.feature-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:var(--space-xl);box-shadow:var(--shadow-sm);border:1px solid var(--border);transition:var(--transition);text-align:center}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--secondary)}
.feature-icon{width:64px;height:64px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.8rem;margin:0 auto var(--space-md);background:linear-gradient(135deg, rgba(245,158,11,0.12), rgba(245,158,11,0.05))}
.feature-icon.green{background:linear-gradient(135deg, rgba(16,185,129,0.12), rgba(16,185,129,0.05))}
.feature-icon.blue{background:linear-gradient(135deg, rgba(59,130,246,0.12), rgba(59,130,246,0.05))}
.feature-card h3{font-size:1.2rem;margin-bottom:var(--space-sm)}
.feature-card p{font-size:0.95rem;margin-bottom:0}
@media(max-width:768px){
  .features-grid{grid-template-columns:1fr;max-width:480px;margin:0 auto}
}
@media(min-width:769px)and(max-width:1024px){
  .features-grid{grid-template-columns:repeat(2,1fr)}
}
/* categories */
.categories-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-lg)}
.category-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-card);box-shadow:var(--shadow-sm);border:1px solid var(--border);transition:var(--transition);display:flex;flex-direction:column}
.category-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.category-card-img{height:200px;overflow:hidden;position:relative}
.category-card-img img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.category-card:hover .category-card-img img{transform:scale(1.05)}
.category-card-img::after{content:'';position:absolute;bottom:0;left:0;right:0;height:60px;background:linear-gradient(to top, rgba(0,0,0,0.4), transparent)}
.category-card-body{padding:var(--space-lg);flex:1;display:flex;flex-direction:column}
.category-card-body h3{font-size:1.15rem;margin-bottom:var(--space-sm)}
.category-card-body p{font-size:0.92rem;flex:1;margin-bottom:var(--space-md)}
.category-card-link{display:inline-flex;align-items:center;gap:var(--space-sm);font-weight:600;color:var(--secondary);font-size:0.92rem}
.category-card-link i{transition:var(--transition)}
.category-card-link:hover i{transform:translateX(4px)}
@media(max-width:768px){
  .categories-grid{grid-template-columns:1fr}
}
/* latest posts */
.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-lg)}
.post-card{background:var(--bg-card);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--border);transition:var(--transition);display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.post-card-img{height:180px;overflow:hidden;position:relative}
.post-card-img img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.post-card:hover .post-card-img img{transform:scale(1.05)}
.post-card-tag{position:absolute;top:var(--space-sm);left:var(--space-sm);background:var(--secondary);color:var(--text-inverse);padding:2px 12px;border-radius:50px;font-size:0.75rem;font-weight:600}
.post-card-body{padding:var(--space-lg);flex:1;display:flex;flex-direction:column}
.post-card-meta{display:flex;align-items:center;gap:var(--space-md);font-size:0.8rem;color:var(--text-muted);margin-bottom:var(--space-sm)}
.post-card-meta i{font-size:0.75rem}
.post-card-body h3{font-size:1.05rem;margin-bottom:var(--space-sm);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card-body p{font-size:0.9rem;color:var(--text-secondary);flex:1;margin-bottom:var(--space-md);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-card-link{font-size:0.9rem;font-weight:600;color:var(--secondary);display:inline-flex;align-items:center;gap:var(--space-sm)}
.post-card-link i{transition:var(--transition)}
.post-card-link:hover i{transform:translateX(4px)}
.posts-empty{text-align:center;padding:var(--space-2xl);color:var(--text-muted);font-size:1.1rem;grid-column:1 / -1}
@media(max-width:768px){
  .posts-grid{grid-template-columns:1fr}
}
@media(min-width:769px)and(max-width:1024px){
  .posts-grid{grid-template-columns:repeat(2,1fr)}
}
/* process / steps */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-lg);counter-reset:step}
.process-step{text-align:center;position:relative}
.process-step::after{content:'';position:absolute;top:40px;left:calc(50% + 50px);right:calc(-50% + 50px);height:2px;background:var(--border);z-index:0}
.process-step:last-child::after{display:none}
.process-step-num{width:80px;height:80px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.8rem;font-weight:800;margin:0 auto var(--space-md);background:var(--secondary);color:var(--text-inverse);position:relative;z-index:1;box-shadow:0 4px 16px rgba(245,158,11,0.3)}
.process-step:nth-child(2) .process-step-num{background:var(--accent);box-shadow:0 4px 16px rgba(16,185,129,0.3)}
.process-step:nth-child(3) .process-step-num{background:#3b82f6;box-shadow:0 4px 16px rgba(59,130,246,0.3)}
.process-step:nth-child(4) .process-step-num{background:#8b5cf6;box-shadow:0 4px 16px rgba(139,92,246,0.3)}
.process-step h4{font-size:1.05rem;margin-bottom:var(--space-xs)}
.process-step p{font-size:0.88rem;margin-bottom:0;max-width:200px;margin-left:auto;margin-right:auto}
@media(max-width:768px){
  .process-grid{grid-template-columns:repeat(2,1fr);gap:var(--space-xl)}
  .process-step::after{display:none}
}
@media(min-width:769px)and(max-width:1024px){
  .process-grid{grid-template-columns:repeat(2,1fr);gap:var(--space-xl)}
  .process-step::after{display:none}
}
/* faq */
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:var(--space-md)}
.faq-item{border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;background:var(--bg-card);transition:var(--transition)}
.faq-item:hover{border-color:var(--secondary)}
.faq-question{display:flex;align-items:center;justify-content:space-between;padding:var(--space-lg);cursor:pointer;font-weight:600;font-size:1.05rem;color:var(--text-primary);background:none;width:100%;text-align:left;border:none}
.faq-question i{color:var(--secondary);transition:var(--transition);font-size:0.9rem}
.faq-item.open .faq-question i{transform:rotate(180deg)}
.faq-answer{padding:0 var(--space-lg) var(--space-lg);color:var(--text-secondary);font-size:0.95rem;line-height:1.7;display:none}
.faq-item.open .faq-answer{display:block}
/* cta */
.cta-section{background:linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);color:var(--text-inverse);text-align:center;padding:var(--space-4xl) 0;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 30% 50%, rgba(245,158,11,0.08), transparent 60%);pointer-events:none}
.cta-content{position:relative;z-index:1;max-width:700px;margin:0 auto}
.cta-content h2{color:var(--text-inverse);margin-bottom:var(--space-md)}
.cta-content p{color:rgba(255,255,255,0.75);font-size:1.1rem;margin-bottom:var(--space-xl)}
.cta-actions{display:flex;flex-wrap:wrap;gap:var(--space-md);justify-content:center}
/* footer */
.footer{background:var(--primary);color:rgba(255,255,255,0.7);padding:var(--space-3xl) 0 var(--space-xl)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:var(--space-xl);margin-bottom:var(--space-xl)}
.footer-brand .logo{color:var(--text-inverse);margin-bottom:var(--space-md)}
.footer-brand p{font-size:0.92rem;color:rgba(255,255,255,0.55);max-width:360px}
.footer h4{color:var(--text-inverse);font-size:1rem;margin-bottom:var(--space-md)}
.footer-links{display:flex;flex-direction:column;gap:var(--space-sm)}
.footer-links a{font-size:0.92rem;color:rgba(255,255,255,0.55);transition:var(--transition)}
.footer-links a:hover{color:var(--secondary);padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:var(--space-lg);display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;font-size:0.85rem;color:rgba(255,255,255,0.4)}
.footer-bottom a{color:rgba(255,255,255,0.4)}
.footer-bottom a:hover{color:var(--secondary)}
@media(max-width:768px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--space-lg)}
  .footer-brand{grid-column:1 / -1}
  .footer-bottom{flex-direction:column;gap:var(--space-sm);text-align:center}
}
@media(max-width:520px){
  .footer-grid{grid-template-columns:1fr}
}
/* scroll to top */
.scroll-top{position:fixed;bottom:24px;right:24px;width:48px;height:48px;border-radius:50%;background:var(--secondary);color:var(--text-inverse);display:flex;align-items:center;justify-content:center;font-size:1.2rem;box-shadow:0 4px 16px rgba(245,158,11,0.3);z-index:999;opacity:0;pointer-events:none;transition:var(--transition)}
.scroll-top.visible{opacity:1;pointer-events:all}
.scroll-top:hover{background:var(--secondary-hover);transform:translateY(-2px)}

/* roulang page: article */
:root {
  --primary: #e63946;
  --primary-dark: #c1121f;
  --primary-light: #ff6b6b;
  --secondary: #457b9d;
  --accent: #f4a261;
  --bg: #f8f9fa;
  --bg-alt: #ffffff;
  --bg-dark: #1d3557;
  --text: #2b2d42;
  --text-light: #6c757d;
  --text-white: #ffffff;
  --border: #dee2e6;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --shadow-hover: 0 8px 32px rgba(230,57,70,0.15);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --font: 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  --container: 1200px;
  --header-h: 72px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font);line-height:1.7;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit;outline:none;border:none}
button{cursor:pointer}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* Header */
.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,0.97);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(222,226,230,0.5);height:var(--header-h);transition:var(--transition)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}
.logo{display:flex;align-items:center;gap:10px;font-size:1.5rem;font-weight:800;color:var(--primary);letter-spacing:-0.5px;transition:var(--transition)}
.logo i{font-size:1.6rem;color:var(--primary)}
.logo:hover{color:var(--primary-dark);transform:scale(1.02)}
.logo:hover i{color:var(--primary-dark)}
.nav{display:flex;align-items:center;gap:8px}
.nav a{position:relative;padding:8px 18px;font-size:0.95rem;font-weight:500;color:var(--text);border-radius:var(--radius-sm);transition:var(--transition)}
.nav a:hover{color:var(--primary);background:rgba(230,57,70,0.06)}
.nav a.active{color:var(--primary);background:rgba(230,57,70,0.1);font-weight:600}
.nav a.active::after{content:'';position:absolute;bottom:-2px;left:50%;transform:translateX(-50%);width:20px;height:3px;background:var(--primary);border-radius:2px}
.nav a.nav-cta{background:var(--primary);color:#fff;padding:8px 22px;border-radius:50px;font-weight:600;box-shadow:0 4px 12px rgba(230,57,70,0.3)}
.nav a.nav-cta:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 6px 20px rgba(230,57,70,0.4);color:#fff}
.nav a.nav-cta i{margin-right:6px}
.nav-toggle{display:none;background:none;font-size:1.5rem;color:var(--text);padding:8px 12px;border-radius:var(--radius-sm);transition:var(--transition)}
.nav-toggle:hover{background:rgba(0,0,0,0.05);color:var(--primary)}

/* Article Hero */
.article-hero{position:relative;padding:140px 0 60px;margin-top:var(--header-h);background:var(--bg-dark);overflow:hidden}
.article-hero::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:0.25;mix-blend-mode:overlay}
.article-hero::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(29,53,87,0.92) 0%,rgba(230,57,70,0.6) 100%)}
.article-hero .container{position:relative;z-index:2}
.article-hero .breadcrumb{display:flex;align-items:center;gap:8px;font-size:0.9rem;color:rgba(255,255,255,0.7);margin-bottom:20px;flex-wrap:wrap}
.article-hero .breadcrumb a{color:rgba(255,255,255,0.7);transition:var(--transition)}
.article-hero .breadcrumb a:hover{color:#fff}
.article-hero .breadcrumb span{color:rgba(255,255,255,0.9)}
.article-hero .breadcrumb i{font-size:0.7rem;color:rgba(255,255,255,0.5)}
.article-hero .category-badge{display:inline-block;padding:4px 16px;background:var(--primary);color:#fff;font-size:0.85rem;font-weight:600;border-radius:50px;margin-bottom:16px}
.article-hero h1{font-size:2.6rem;font-weight:800;color:#fff;line-height:1.3;max-width:900px;margin-bottom:16px;letter-spacing:-0.5px}
.article-hero .meta{display:flex;align-items:center;gap:24px;color:rgba(255,255,255,0.7);font-size:0.95rem;flex-wrap:wrap}
.article-hero .meta i{margin-right:6px;color:var(--accent)}
.article-hero .meta span{display:flex;align-items:center}

/* Main Content */
.article-main{padding:60px 0 80px}
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:48px}
.article-content{background:var(--bg-alt);border-radius:var(--radius);padding:48px;box-shadow:var(--shadow);border:1px solid var(--border)}
.article-content .lead{font-size:1.2rem;line-height:1.8;color:var(--text-light);margin-bottom:32px;padding:20px 24px;background:rgba(230,57,70,0.04);border-left:4px solid var(--primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0}
.article-content .body-text{font-size:1.05rem;line-height:1.9;color:var(--text)}
.article-content .body-text p{margin-bottom:20px}
.article-content .body-text h2{font-size:1.6rem;font-weight:700;margin:40px 0 16px;color:var(--bg-dark)}
.article-content .body-text h3{font-size:1.25rem;font-weight:600;margin:32px 0 12px;color:var(--text)}
.article-content .body-text ul,.article-content .body-text ol{padding-left:24px;margin-bottom:20px}
.article-content .body-text li{list-style:disc;margin-bottom:8px}
.article-content .body-text ol li{list-style:decimal}
.article-content .body-text img{border-radius:var(--radius-sm);margin:24px 0;box-shadow:var(--shadow)}
.article-content .body-text blockquote{padding:20px 24px;margin:24px 0;background:rgba(69,123,157,0.06);border-left:4px solid var(--secondary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-style:italic;color:var(--text-light)}
.article-content .body-text a{color:var(--primary);border-bottom:1px solid transparent}
.article-content .body-text a:hover{border-bottom-color:var(--primary)}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;padding-top:24px;border-top:1px solid var(--border)}
.article-tags .tag{padding:4px 16px;background:rgba(230,57,70,0.06);color:var(--primary);border-radius:50px;font-size:0.85rem;font-weight:500;transition:var(--transition)}
.article-tags .tag:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.article-share{display:flex;align-items:center;gap:12px;margin-top:24px;padding-top:20px;border-top:1px solid var(--border)}
.article-share span{font-size:0.9rem;color:var(--text-light);font-weight:500}
.article-share a{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:rgba(0,0,0,0.04);color:var(--text-light);transition:var(--transition);font-size:1.1rem}
.article-share a:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}

/* Sidebar */
.article-sidebar{display:flex;flex-direction:column;gap:32px}
.sidebar-card{background:var(--bg-alt);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);border:1px solid var(--border)}
.sidebar-card h3{font-size:1.15rem;font-weight:700;color:var(--bg-dark);margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid rgba(230,57,70,0.15);display:flex;align-items:center;gap:8px}
.sidebar-card h3 i{color:var(--primary);font-size:1.1rem}
.sidebar-list{display:flex;flex-direction:column;gap:8px}
.sidebar-list a{display:flex;align-items:flex-start;gap:12px;padding:10px 12px;border-radius:var(--radius-sm);transition:var(--transition);font-size:0.95rem;color:var(--text);line-height:1.4}
.sidebar-list a:hover{background:rgba(230,57,70,0.04);color:var(--primary);transform:translateX(4px)}
.sidebar-list a .num{flex-shrink:0;width:26px;height:26px;display:flex;align-items:center;justify-content:center;background:rgba(230,57,70,0.08);color:var(--primary);border-radius:50%;font-size:0.8rem;font-weight:700}
.sidebar-list a:hover .num{background:var(--primary);color:#fff}
.sidebar-list a .info{flex:1;min-width:0}
.sidebar-list a .info .title{display:block;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sidebar-list a .info .date{display:block;font-size:0.8rem;color:var(--text-light);margin-top:2px}
.sidebar-cta{background:linear-gradient(135deg,var(--bg-dark),#2a4a7a);border-radius:var(--radius);padding:32px 28px;text-align:center;color:#fff;border:none}
.sidebar-cta h3{color:#fff;border-bottom:none;justify-content:center;margin-bottom:12px}
.sidebar-cta p{color:rgba(255,255,255,0.8);font-size:0.95rem;margin-bottom:20px;line-height:1.6}
.sidebar-cta .btn{display:inline-flex;align-items:center;gap:8px;padding:12px 32px;background:var(--primary);color:#fff;border-radius:50px;font-weight:600;font-size:1rem;transition:var(--transition);box-shadow:0 4px 16px rgba(230,57,70,0.4)}
.sidebar-cta .btn:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 28px rgba(230,57,70,0.5);color:#fff}

/* Not Found */
.not-found{text-align:center;padding:80px 20px;background:var(--bg-alt);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border)}
.not-found i{font-size:4rem;color:var(--text-light);margin-bottom:20px;display:block}
.not-found h2{font-size:1.8rem;color:var(--text);margin-bottom:12px}
.not-found p{color:var(--text-light);margin-bottom:24px;font-size:1.05rem}
.not-found .btn{display:inline-flex;align-items:center;gap:8px;padding:12px 32px;background:var(--primary);color:#fff;border-radius:50px;font-weight:600;transition:var(--transition)}
.not-found .btn:hover{background:var(--primary-dark);transform:translateY(-2px);color:#fff}

/* Footer */
.footer{background:var(--bg-dark);color:rgba(255,255,255,0.8);padding:60px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,0.1)}
.footer-brand .logo{color:#fff;font-size:1.5rem;margin-bottom:16px;display:inline-flex}
.footer-brand .logo i{color:var(--primary-light)}
.footer-brand p{font-size:0.95rem;line-height:1.7;color:rgba(255,255,255,0.6);max-width:360px}
.footer h4{font-size:1rem;font-weight:700;color:#fff;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer h4::after{content:'';position:absolute;bottom:0;left:0;width:28px;height:2px;background:var(--primary)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(255,255,255,0.6);font-size:0.9rem;transition:var(--transition);display:flex;align-items:center;gap:6px}
.footer-links a:hover{color:var(--primary-light);transform:translateX(4px)}
.footer-links a i{width:18px;font-size:1rem}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding:20px 0;font-size:0.85rem;color:rgba(255,255,255,0.5);flex-wrap:wrap;gap:12px}
.footer-bottom a{color:rgba(255,255,255,0.5);transition:var(--transition)}
.footer-bottom a:hover{color:var(--primary-light)}

/* Responsive */
@media(max-width:1024px){
  .article-layout{grid-template-columns:1fr}
  .article-sidebar{display:grid;grid-template-columns:1fr 1fr;gap:24px}
  .article-hero h1{font-size:2.2rem}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}

@media(max-width:768px){
  .header{height:64px}
  .header-inner{height:64px}
  .nav-toggle{display:block}
  .nav{position:fixed;top:64px;left:0;right:0;background:rgba(255,255,255,0.98);backdrop-filter:blur(20px);flex-direction:column;padding:16px 24px 24px;gap:6px;border-bottom:1px solid var(--border);transform:translateY(-120%);opacity:0;visibility:hidden;transition:var(--transition);box-shadow:var(--shadow-lg);max-height:calc(100vh - 64px);overflow-y:auto}
  .nav.open{transform:translateY(0);opacity:1;visibility:visible}
  .nav a{width:100%;padding:12px 16px;font-size:1rem;text-align:center}
  .nav a.active{background:rgba(230,57,70,0.1)}
  .nav a.nav-cta{margin-top:6px;text-align:center}
  .article-hero{padding:110px 0 40px}
  .article-hero h1{font-size:1.6rem}
  .article-hero .meta{gap:12px;font-size:0.85rem}
  .article-content{padding:24px 20px}
  .article-content .lead{font-size:1.05rem;padding:16px 18px}
  .article-content .body-text{font-size:1rem}
  .article-content .body-text h2{font-size:1.35rem}
  .article-sidebar{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;text-align:center}
  .container{padding:0 16px}
}

@media(max-width:520px){
  .article-hero h1{font-size:1.3rem}
  .article-hero .breadcrumb{font-size:0.8rem}
  .article-content{padding:16px 14px;border-radius:var(--radius-sm)}
  .article-content .lead{padding:12px 14px;font-size:1rem}
  .article-tags .tag{font-size:0.8rem;padding:3px 12px}
  .sidebar-card{padding:20px 16px}
  .sidebar-cta{padding:24px 16px}
  .sidebar-cta .btn{width:100%;justify-content:center}
  .not-found{padding:40px 16px}
  .not-found i{font-size:3rem}
}

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --color-primary: #f59e0b;
            --color-primary-dark: #d97706;
            --color-primary-light: #fbbf24;
            --color-secondary: #1e293b;
            --color-secondary-light: #334155;
            --color-accent: #10b981;
            --color-accent-dark: #059669;
            --color-bg: #0f172a;
            --color-bg-card: #1e293b;
            --color-bg-card-hover: #273548;
            --color-bg-section: #1a2332;
            --color-bg-dark: #0b1120;
            --color-text: #f1f5f9;
            --color-text-weak: #94a3b8;
            --color-text-muted: #64748b;
            --color-border: #334155;
            --color-border-light: #475569;
            --color-white: #ffffff;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-info: #3b82f6;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(245, 158, 11, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --spacing-section: 80px;
            --spacing-block: 48px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            min-height: 100vh;
        }
        a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--color-primary-light); }
        a:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; border-radius: 4px; }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        ul, ol { list-style: none; }
        button, input, textarea, select { font-family: inherit; font-size: inherit; border: none; outline: none; }
        button { cursor: pointer; background: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; color: var(--color-white); font-weight: 700; }
        h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
        h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
        h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
        h4 { font-size: 1.15rem; }
        p { margin-bottom: 1rem; }
        p:last-child { margin-bottom: 0; }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section { padding: var(--spacing-section) 0; }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            position: relative;
            display: inline-block;
        }
        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--color-primary);
            border-radius: 4px;
            margin: 12px auto 0;
        }
        .section-title p {
            color: var(--color-text-weak);
            font-size: 1.05rem;
            margin-top: 12px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .text-center { text-align: center; }
        .text-weak { color: var(--color-text-weak); }
        .text-muted { color: var(--color-text-muted); }
        .mt-1 { margin-top: 8px; }
        .mt-2 { margin-top: 16px; }
        .mt-3 { margin-top: 24px; }
        .mt-4 { margin-top: 32px; }
        .mb-2 { margin-bottom: 16px; }
        .mb-3 { margin-bottom: 24px; }
        .mb-4 { margin-bottom: 32px; }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-full);
            transition: var(--transition);
            border: 2px solid transparent;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--color-primary);
            color: var(--color-secondary);
            border-color: var(--color-primary);
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            color: var(--color-secondary);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.3);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(245, 158, 11, 0.2);
        }
        .btn-secondary {
            background: transparent;
            color: var(--color-white);
            border-color: var(--color-border-light);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--color-primary);
            color: var(--color-primary);
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--color-accent);
            color: var(--color-white);
            border-color: var(--color-accent);
        }
        .btn-accent:hover {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(16, 185, 129, 0.3);
        }
        .btn-lg { padding: 16px 36px; font-size: 1.05rem; }
        .btn-sm { padding: 8px 18px; font-size: 0.85rem; }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .btn-outline:hover {
            background: var(--color-primary);
            color: var(--color-secondary);
            transform: translateY(-2px);
        }

        /* ===== Header / Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            background: rgba(15, 23, 42, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(51, 65, 85, 0.5);
            z-index: 1000;
            transition: var(--transition);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--color-white);
            letter-spacing: -0.5px;
        }
        .logo i {
            color: var(--color-primary);
            font-size: 1.6rem;
        }
        .logo:hover { color: var(--color-primary); }
        .nav { display: flex; align-items: center; gap: 8px; }
        .nav a {
            padding: 8px 18px;
            border-radius: var(--radius-full);
            color: var(--color-text-weak);
            font-weight: 500;
            font-size: 0.92rem;
            transition: var(--transition);
            position: relative;
        }
        .nav a:hover {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav a.active {
            color: var(--color-white);
            background: rgba(245, 158, 11, 0.15);
        }
        .nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--color-primary);
            border-radius: 4px;
        }
        .nav a.nav-cta {
            background: var(--color-primary);
            color: var(--color-secondary);
            font-weight: 700;
            padding: 8px 22px;
        }
        .nav a.nav-cta:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.3);
        }
        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--color-white);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover { background: rgba(255, 255, 255, 0.06); }

        /* ===== Hero / Banner ===== */
        .page-banner {
            padding: 120px 0 60px;
            background: var(--color-bg-dark);
            background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.92), rgba(15, 23, 42, 0.7)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            overflow: hidden;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 120px;
            background: linear-gradient(to top, var(--color-bg), transparent);
            pointer-events: none;
        }
        .page-banner .container {
            position: relative;
            z-index: 1;
        }
        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(245, 158, 11, 0.15);
            color: var(--color-primary);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            border: 1px solid rgba(245, 158, 11, 0.2);
        }
        .banner-badge i { font-size: 0.8rem; }
        .page-banner h1 {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            max-width: 700px;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .page-banner h1 span { color: var(--color-primary); }
        .page-banner p {
            font-size: 1.05rem;
            color: var(--color-text-weak);
            max-width: 580px;
            margin-bottom: 28px;
        }
        .banner-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .breadcrumb a { color: var(--color-text-weak); }
        .breadcrumb a:hover { color: var(--color-primary); }
        .breadcrumb span { color: var(--color-primary); }
        .breadcrumb i { font-size: 0.6rem; color: var(--color-text-muted); }

        /* ===== Filter / Tabs ===== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 40px;
            padding: 16px 20px;
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
        }
        .filter-bar .filter-btn {
            padding: 8px 20px;
            border-radius: var(--radius-full);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--color-text-weak);
            background: transparent;
            border: 1px solid var(--color-border);
            transition: var(--transition);
            cursor: pointer;
        }
        .filter-bar .filter-btn:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(245, 158, 11, 0.06);
        }
        .filter-bar .filter-btn.active {
            background: var(--color-primary);
            color: var(--color-secondary);
            border-color: var(--color-primary);
            font-weight: 700;
        }

        /* ===== Event Cards ===== */
        .events-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .event-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .event-card:hover {
            transform: translateY(-6px);
            border-color: var(--color-primary);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
        }
        .event-card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .event-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .event-card:hover .event-card-img img {
            transform: scale(1.05);
        }
        .event-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-primary);
            color: var(--color-secondary);
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 700;
        }
        .event-card-badge.hot {
            background: var(--color-danger);
            color: var(--color-white);
        }
        .event-card-badge.live {
            background: var(--color-accent);
            color: var(--color-white);
            animation: pulse-dot 1.8s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5); }
            50% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
        }
        .event-card-body {
            padding: 20px;
        }
        .event-card-body .event-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin-bottom: 10px;
        }
        .event-card-body .event-meta i {
            margin-right: 4px;
            color: var(--color-primary);
        }
        .event-card-body h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            transition: var(--transition);
        }
        .event-card:hover .event-card-body h3 {
            color: var(--color-primary);
        }
        .event-card-body p {
            color: var(--color-text-weak);
            font-size: 0.9rem;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .event-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--color-border);
        }
        .event-card-footer .price {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
        }
        .event-card-footer .price small {
            font-size: 0.75rem;
            font-weight: 400;
            color: var(--color-text-muted);
        }

        /* ===== Timeline ===== */
        .timeline-section {
            background: var(--color-bg-section);
        }
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding-left: 40px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
            border-radius: 4px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 36px;
            padding: 20px 24px;
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .timeline-item:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -32px;
            top: 24px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--color-primary);
            border: 4px solid var(--color-bg-section);
            box-shadow: 0 0 0 3px var(--color-primary);
        }
        .timeline-item .tl-date {
            font-size: 0.82rem;
            color: var(--color-primary);
            font-weight: 600;
            margin-bottom: 6px;
        }
        .timeline-item h4 {
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .timeline-item p {
            color: var(--color-text-weak);
            font-size: 0.9rem;
            margin-bottom: 0;
        }
        .timeline-item .tl-tag {
            display: inline-block;
            margin-top: 10px;
            padding: 3px 12px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(245, 158, 11, 0.12);
            color: var(--color-primary);
        }

        /* ===== Stats / Data ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--color-bg-card);
            padding: 28px 20px;
            border-radius: var(--radius-md);
            text-align: center;
            border: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .stat-card:hover {
            border-color: var(--color-primary);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--color-primary);
            margin-bottom: 12px;
        }
        .stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-white);
            line-height: 1.2;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            margin-top: 4px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--color-border-light);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-white);
            cursor: pointer;
            transition: var(--transition);
            gap: 12px;
        }
        .faq-question i {
            color: var(--color-primary);
            font-size: 0.85rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-question:hover { color: var(--color-primary); }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--color-text-weak);
            font-size: 0.92rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--color-bg-dark);
            background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.75)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }
        .cta-content {
            text-align: center;
            max-width: 650px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            margin-bottom: 16px;
        }
        .cta-content h2 span { color: var(--color-primary); }
        .cta-content p {
            color: var(--color-text-weak);
            font-size: 1.05rem;
            margin-bottom: 28px;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--color-bg-dark);
            border-top: 1px solid var(--color-border);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            font-size: 1.3rem;
            margin-bottom: 14px;
            display: inline-flex;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            max-width: 320px;
            line-height: 1.7;
        }
        .footer h4 {
            font-size: 0.95rem;
            color: var(--color-white);
            margin-bottom: 16px;
            font-weight: 600;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: var(--color-text-muted);
            font-size: 0.88rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links a:hover {
            color: var(--color-primary);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid var(--color-border);
            font-size: 0.82rem;
            color: var(--color-text-muted);
            gap: 12px;
        }
        .footer-bottom a {
            color: var(--color-text-muted);
        }
        .footer-bottom a:hover { color: var(--color-primary); }

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

        @media (max-width: 768px) {
            :root { --spacing-section: 48px; --header-height: 64px; }
            .nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                width: 100%;
                background: rgba(15, 23, 42, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 6px;
                border-bottom: 1px solid var(--color-border);
                transform: translateY(-120%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                pointer-events: none;
            }
            .nav.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
            }
            .nav a { width: 100%; padding: 12px 18px; font-size: 1rem; }
            .nav a.nav-cta { text-align: center; }
            .nav-toggle { display: block; }
            .page-banner { padding: 100px 0 40px; }
            .page-banner h1 { font-size: 1.8rem; }
            .events-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .stat-card .stat-number { font-size: 1.6rem; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .timeline { padding-left: 30px; }
            .timeline-item::before { left: -22px; width: 12px; height: 12px; }
            .filter-bar { padding: 12px 16px; gap: 8px; }
            .filter-bar .filter-btn { padding: 6px 14px; font-size: 0.82rem; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .page-banner h1 { font-size: 1.5rem; }
            .banner-actions { flex-direction: column; }
            .banner-actions .btn { width: 100%; justify-content: center; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .stat-card { padding: 18px 14px; }
            .stat-card .stat-number { font-size: 1.4rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .events-grid { gap: 18px; }
            .event-card-img { height: 170px; }
            .section-title h2 { font-size: 1.4rem; }
            .cta-actions { flex-direction: column; }
            .cta-actions .btn { width: 100%; justify-content: center; }
            .timeline { padding-left: 24px; }
            .timeline-item { padding: 14px 16px; }
            .timeline-item::before { left: -17px; width: 10px; height: 10px; }
            .faq-question { padding: 14px 16px; font-size: 0.92rem; }
            .faq-answer { padding: 0 16px 14px; }
            .filter-bar { gap: 6px; }
            .filter-bar .filter-btn { padding: 5px 12px; font-size: 0.78rem; }
        }

        /* ===== Misc Utilities ===== */
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(245, 158, 11, 0.12);
            color: var(--color-primary);
        }
        .tag i { font-size: 0.7rem; }
        .divider {
            width: 100%;
            height: 1px;
            background: var(--color-border);
            margin: var(--spacing-block) 0;
        }
        .gap-2 { gap: 8px; }
        .gap-3 { gap: 16px; }
        .flex { display: flex; }
        .flex-wrap { flex-wrap: wrap; }
        .items-center { align-items: center; }
        .justify-center { justify-content: center; }
        .pagination {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 40px;
        }
        .pagination a, .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-weak);
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .pagination a:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        .pagination .active {
            background: var(--color-primary);
            color: var(--color-secondary);
            border-color: var(--color-primary);
            font-weight: 700;
        }
        .empty-state {
            text-align: center;
            padding: 60px 20px;
            color: var(--color-text-muted);
        }
        .empty-state i { font-size: 3rem; margin-bottom: 16px; color: var(--color-border); }