/* roulang page: index */
/* ===== Design Variables ===== */
:root {
  --primary: #0d1b2a;
  --primary-light: #1b2d4a;
  --primary-dark: #070f1a;
  --accent: #d4a843;
  --accent-light: #e8c36a;
  --accent-dark: #b8912e;
  --bg: #f4f6f9;
  --bg-card: #ffffff;
  --bg-dark: #0d1b2a;
  --text: #1a2332;
  --text-light: #6b7a8f;
  --text-white: #f0f2f5;
  --border: #e2e8f0;
  --border-light: #f0f2f5;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(13, 27, 42, 0.08);
  --shadow-lg: 0 12px 40px rgba(13, 27, 42, 0.12);
  --shadow-hover: 0 8px 32px rgba(13, 27, 42, 0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --max-width: 1200px;
  --header-h: 72px;
  --nav-h: 48px;
  --total-header-h: calc(var(--header-h) + var(--nav-h));
}

/* ===== 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: 1.7; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
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(--primary); }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.1rem; }
p { margin-bottom: 1rem; color: var(--text-light); }
p:last-child { margin-bottom: 0; }
::selection { background: var(--accent); color: var(--primary-dark); }

/* ===== Container ===== */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
@media (min-width: 768px) { .container { padding: 0 32px; } }
@media (min-width: 1200px) { .container { padding: 0 40px; } }

/* ===== Buttons ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 28px; border-radius: var(--radius-sm); font-weight: 600; font-size: 0.95rem; line-height: 1.4; transition: all var(--transition); white-space: nowrap; }
.btn-primary { background: var(--accent); color: var(--primary-dark); border: 2px solid var(--accent); }
.btn-primary:hover { background: var(--accent-light); border-color: var(--accent-light); color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(212, 168, 67, 0.35); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(212, 168, 67, 0.2); }
.btn-outline { background: transparent; color: var(--text-white); border: 2px solid rgba(255,255,255,0.4); }
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: var(--text-white); color: var(--text-white); transform: translateY(-2px); }
.btn-outline:active { transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--primary); border: 2px solid var(--border); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; border-radius: 6px; }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; border-radius: var(--radius); }

/* ===== Badge / Tag ===== */
.badge { display: inline-block; padding: 4px 14px; border-radius: 20px; font-size: 0.78rem; font-weight: 600; background: var(--accent); color: var(--primary-dark); letter-spacing: 0.3px; }
.badge-outline { background: transparent; border: 1px solid var(--accent); color: var(--accent); }
.badge-light { background: rgba(212, 168, 67, 0.12); color: var(--accent-dark); }

/* ===== Header / Navigation ===== */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: var(--primary); color: var(--text-white); box-shadow: 0 2px 20px rgba(0,0,0,0.15); }

/* Top row: brand + cta */
.header-top { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); padding: 0 20px; max-width: var(--max-width); margin: 0 auto; gap: 16px; }
@media (min-width: 768px) { .header-top { padding: 0 32px; } }
@media (min-width: 1200px) { .header-top { padding: 0 40px; } }

.logo { display: flex; align-items: center; gap: 10px; font-size: 1.35rem; font-weight: 800; color: var(--text-white); letter-spacing: 0.5px; white-space: nowrap; }
.logo i { color: var(--accent); font-size: 1.5rem; }
.logo span { background: linear-gradient(135deg, var(--accent), var(--accent-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.logo:hover span { background: linear-gradient(135deg, var(--accent-light), #f0d080); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.logo:hover { color: var(--text-white); }

.header-actions { display: flex; align-items: center; gap: 12px; }
.search-box { display: none; align-items: center; background: rgba(255,255,255,0.1); border-radius: 8px; padding: 0 12px; border: 1px solid rgba(255,255,255,0.1); transition: all var(--transition); }
.search-box:focus-within { background: rgba(255,255,255,0.15); border-color: var(--accent); }
.search-box input { background: transparent; border: none; color: var(--text-white); padding: 8px 4px; width: 160px; font-size: 0.85rem; }
.search-box input::placeholder { color: rgba(255,255,255,0.4); }
.search-box i { color: rgba(255,255,255,0.5); font-size: 0.9rem; }
@media (min-width: 768px) { .search-box { display: flex; } }

.header-cta { display: none; }
@media (min-width: 640px) { .header-cta { display: inline-flex; } }

.menu-toggle { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 8px; color: var(--text-white); font-size: 1.3rem; background: rgba(255,255,255,0.08); transition: background var(--transition); }
.menu-toggle:hover { background: rgba(255,255,255,0.15); }
@media (min-width: 1024px) { .menu-toggle { display: none; } }

/* Bottom row: channel tabs */
.header-nav { background: var(--primary-light); border-top: 1px solid rgba(255,255,255,0.06); }
.nav-inner { display: flex; align-items: center; height: var(--nav-h); max-width: var(--max-width); margin: 0 auto; padding: 0 20px; overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none; gap: 4px; }
@media (min-width: 768px) { .nav-inner { padding: 0 32px; } }
@media (min-width: 1200px) { .nav-inner { padding: 0 40px; } }
.nav-inner::-webkit-scrollbar { display: none; }
.nav-link { display: inline-flex; align-items: center; gap: 6px; padding: 8px 20px; border-radius: 20px; font-size: 0.88rem; font-weight: 500; color: rgba(255,255,255,0.7); white-space: nowrap; transition: all var(--transition); border: 1px solid transparent; }
.nav-link:hover { color: var(--text-white); background: rgba(255,255,255,0.08); }
.nav-link.active { color: var(--primary-dark); background: var(--accent); font-weight: 600; border-color: var(--accent); }
.nav-link i { font-size: 0.8rem; }

/* Mobile menu */
.mobile-menu { display: none; position: fixed; top: var(--total-header-h); left: 0; right: 0; background: var(--primary); border-top: 1px solid rgba(255,255,255,0.08); padding: 16px 20px; box-shadow: var(--shadow-lg); z-index: 999; }
.mobile-menu.open { display: block; }
.mobile-menu .nav-link { display: block; padding: 12px 16px; border-radius: var(--radius-sm); width: 100%; }
.mobile-menu .nav-link.active { background: var(--accent); color: var(--primary-dark); }
.mobile-menu .nav-link:not(.active):hover { background: rgba(255,255,255,0.06); }
.mobile-search { display: flex; align-items: center; background: rgba(255,255,255,0.08); border-radius: 8px; padding: 0 14px; margin-bottom: 12px; border: 1px solid rgba(255,255,255,0.08); }
.mobile-search input { background: transparent; border: none; color: var(--text-white); padding: 12px 8px; width: 100%; font-size: 0.9rem; }
.mobile-search input::placeholder { color: rgba(255,255,255,0.4); }
.mobile-search i { color: rgba(255,255,255,0.4); }
@media (min-width: 1024px) { .mobile-menu { display: none !important; } }

/* ===== Hero ===== */
.hero { margin-top: var(--total-header-h); position: relative; min-height: 560px; display: flex; align-items: center; background: var(--primary-dark); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat; opacity: 0.25; transform: scale(1.05); }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(13,27,42,0.92) 0%, rgba(13,27,42,0.7) 50%, rgba(13,27,42,0.4) 100%); }
.hero-content { position: relative; z-index: 2; padding: 80px 20px; max-width: var(--max-width); margin: 0 auto; width: 100%; }
@media (min-width: 768px) { .hero-content { padding: 100px 32px; } }
@media (min-width: 1200px) { .hero-content { padding: 120px 40px; } }
.hero h1 { color: var(--text-white); margin-bottom: 20px; max-width: 800px; letter-spacing: -0.5px; }
.hero h1 .highlight { background: linear-gradient(135deg, var(--accent), var(--accent-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p { font-size: clamp(1rem, 2vw, 1.2rem); color: rgba(255,255,255,0.7); max-width: 640px; margin-bottom: 36px; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 32px; margin-top: 48px; padding-top: 36px; border-top: 1px solid rgba(255,255,255,0.1); }
.hero-stat-item { text-align: center; }
.hero-stat-item .num { font-size: 1.8rem; font-weight: 800; color: var(--accent); line-height: 1.2; }
.hero-stat-item .label { font-size: 0.85rem; color: rgba(255,255,255,0.5); margin-top: 4px; }

/* ===== Section common ===== */
.section { padding: 72px 0; }
@media (min-width: 768px) { .section { padding: 96px 0; } }
.section-header { text-align: center; margin-bottom: 52px; }
.section-header h2 { margin-bottom: 12px; }
.section-header p { max-width: 600px; margin: 0 auto; font-size: 1.05rem; }
.section-header .badge { margin-bottom: 16px; }
.section-alt { background: var(--bg-card); }
.section-dark { background: var(--primary); color: var(--text-white); }
.section-dark h2, .section-dark h3, .section-dark .section-header p { color: var(--text-white); }
.section-dark .section-header p { color: rgba(255,255,255,0.6); }

/* ===== Features / Advantages ===== */
.features-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
@media (min-width: 640px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .features-grid { grid-template-columns: repeat(3, 1fr); } }
.feature-card { background: var(--bg-card); border-radius: var(--radius); padding: 32px 28px; box-shadow: var(--shadow); border: 1px solid var(--border); transition: all var(--transition); text-align: center; }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--accent); }
.feature-card .icon { width: 64px; height: 64px; margin: 0 auto 20px; background: rgba(212,168,67,0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; color: var(--accent); transition: all var(--transition); }
.feature-card:hover .icon { background: var(--accent); color: var(--primary-dark); transform: scale(1.05); }
.feature-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.feature-card p { font-size: 0.92rem; margin-bottom: 0; }

/* ===== Category / Sports Cards ===== */
.sports-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (min-width: 640px) { .sports-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .sports-grid { grid-template-columns: repeat(4, 1fr); } }
.sport-card { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 3; background: var(--primary-dark); box-shadow: var(--shadow); transition: all var(--transition); cursor: pointer; }
.sport-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.sport-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.sport-card:hover img { transform: scale(1.08); }
.sport-card .overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(13,27,42,0.85) 0%, rgba(13,27,42,0.2) 60%, transparent 100%); display: flex; flex-direction: column; justify-content: flex-end; padding: 20px; }
.sport-card .sport-name { font-size: 1.15rem; font-weight: 700; color: var(--text-white); margin-bottom: 4px; }
.sport-card .sport-desc { font-size: 0.82rem; color: rgba(255,255,255,0.65); }
.sport-card .sport-badge { position: absolute; top: 14px; right: 14px; }

/* ===== CMS News List ===== */
.news-list { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 640px) { .news-list { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .news-list { grid-template-columns: repeat(3, 1fr); } }
.news-card { background: var(--bg-card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--border); transition: all var(--transition); }
.news-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); border-color: var(--accent); }
.news-card-img { height: 180px; background: var(--primary-light); position: relative; overflow: hidden; }
.news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.news-card:hover .news-card-img img { transform: scale(1.05); }
.news-card-img .placeholder-icon { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 2.5rem; color: rgba(255,255,255,0.15); }
.news-card-body { padding: 20px 22px 24px; }
.news-card-body .badge { margin-bottom: 10px; }
.news-card-body h3 { font-size: 1.05rem; margin-bottom: 8px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card-body h3 a { color: var(--primary); }
.news-card-body h3 a:hover { color: var(--accent); }
.news-card-body p { font-size: 0.88rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 12px; color: var(--text-light); }
.news-card-meta { display: flex; align-items: center; justify-content: space-between; font-size: 0.8rem; color: var(--text-light); border-top: 1px solid var(--border-light); padding-top: 12px; }
.news-card-meta i { margin-right: 4px; }
.news-empty { grid-column: 1 / -1; text-align: center; padding: 48px 20px; color: var(--text-light); background: var(--bg-card); border-radius: var(--radius); border: 1px dashed var(--border); }
.news-empty i { font-size: 2.5rem; color: var(--border); margin-bottom: 16px; display: block; }

/* ===== Stats / Numbers ===== */
.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
@media (min-width: 640px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }
.stat-item { text-align: center; padding: 28px 20px; background: rgba(255,255,255,0.06); border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.08); transition: all var(--transition); }
.stat-item:hover { background: rgba(255,255,255,0.1); border-color: var(--accent); transform: translateY(-2px); }
.stat-item .num { font-size: 2.2rem; font-weight: 800; color: var(--accent); line-height: 1.2; }
.stat-item .label { font-size: 0.9rem; color: rgba(255,255,255,0.6); margin-top: 6px; }
.stat-item i { font-size: 1.5rem; color: var(--accent); margin-bottom: 12px; opacity: 0.7; }

/* ===== Testimonials ===== */
.testimonials-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
@media (min-width: 640px) { .testimonials-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .testimonials-grid { grid-template-columns: repeat(3, 1fr); } }
.testimonial-card { background: var(--bg-card); border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow); border: 1px solid var(--border); transition: all var(--transition); }
.testimonial-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.testimonial-card .stars { color: var(--accent); font-size: 0.9rem; margin-bottom: 12px; letter-spacing: 2px; }
.testimonial-card p { font-size: 0.92rem; font-style: italic; margin-bottom: 16px; color: var(--text); line-height: 1.7; }
.testimonial-card .author { display: flex; align-items: center; gap: 12px; }
.testimonial-card .author-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--primary-light); display: flex; align-items: center; justify-content: center; color: var(--accent); font-weight: 700; font-size: 0.9rem; }
.testimonial-card .author-name { font-weight: 600; font-size: 0.9rem; color: var(--primary); }
.testimonial-card .author-title { font-size: 0.78rem; color: var(--text-light); }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--bg-card); border-radius: var(--radius-sm); border: 1px solid var(--border); overflow: hidden; transition: all var(--transition); }
.faq-item:hover { border-color: var(--accent); box-shadow: var(--shadow); }
.faq-question { display: flex; align-items: center; justify-content: space-between; padding: 18px 24px; font-weight: 600; font-size: 1rem; color: var(--primary); cursor: pointer; transition: background var(--transition); gap: 16px; }
.faq-question:hover { background: rgba(212,168,67,0.04); }
.faq-question i { font-size: 0.85rem; color: var(--accent); transition: transform var(--transition); flex-shrink: 0; }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; padding: 0 24px; }
.faq-item.open .faq-answer { max-height: 300px; padding: 0 24px 20px; }
.faq-answer p { font-size: 0.92rem; color: var(--text-light); margin-bottom: 0; line-height: 1.7; }

/* ===== CTA ===== */
.cta-section { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat; opacity: 0.08; }
.cta-content { position: relative; z-index: 2; text-align: center; padding: 80px 20px; max-width: 700px; margin: 0 auto; }
@media (min-width: 768px) { .cta-content { padding: 100px 32px; } }
.cta-content h2 { color: var(--text-white); margin-bottom: 16px; }
.cta-content p { color: rgba(255,255,255,0.65); font-size: 1.05rem; margin-bottom: 32px; }
.cta-content .btn-primary { font-size: 1.05rem; padding: 16px 40px; }

/* ===== Footer ===== */
.site-footer { background: var(--primary-dark); color: rgba(255,255,255,0.6); padding: 56px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 32px; margin-bottom: 40px; }
@media (min-width: 640px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer-brand .logo { font-size: 1.2rem; margin-bottom: 12px; }
.footer-brand p { font-size: 0.88rem; color: rgba(255,255,255,0.45); max-width: 320px; line-height: 1.7; }
.footer-col h4 { font-size: 0.95rem; color: var(--text-white); margin-bottom: 16px; font-weight: 600; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 0.88rem; color: rgba(255,255,255,0.5); transition: all var(--transition); }
.footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
.footer-social { display: flex; gap: 12px; margin-top: 16px; }
.footer-social a { width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.5); transition: all var(--transition); font-size: 1rem; border: 1px solid rgba(255,255,255,0.06); }
.footer-social a:hover { background: var(--accent); color: var(--primary-dark); border-color: var(--accent); transform: translateY(-2px); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 24px; display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; font-size: 0.82rem; color: rgba(255,255,255,0.35); }
@media (min-width: 640px) { .footer-bottom { flex-direction: row; justify-content: space-between; } }
.footer-bottom a { color: rgba(255,255,255,0.4); }
.footer-bottom a:hover { color: var(--accent); }

/* ===== Back to Top ===== */
.back-top { position: fixed; bottom: 32px; right: 24px; width: 48px; height: 48px; border-radius: 50%; background: var(--accent); color: var(--primary-dark); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; box-shadow: 0 4px 16px rgba(212,168,67,0.3); opacity: 0; visibility: hidden; transform: translateY(20px); transition: all var(--transition); z-index: 900; }
.back-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--accent-light); transform: translateY(-4px); box-shadow: 0 8px 28px rgba(212,168,67,0.4); }

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  .header-nav .nav-inner { gap: 2px; }
  .nav-link { padding: 6px 14px; font-size: 0.82rem; }
  .hero { min-height: 420px; }
  .hero-stats { gap: 20px; }
  .hero-stat-item .num { font-size: 1.4rem; }
}

@media (max-width: 767px) {
  .header-actions .btn { display: none; }
  .header-top { height: 60px; }
  :root { --header-h: 60px; --nav-h: 42px; }
  .hero { min-height: 360px; margin-top: calc(60px + 42px); }
  .hero-content { padding: 48px 20px; }
  .hero h1 { font-size: 1.6rem; }
  .hero p { font-size: 0.92rem; margin-bottom: 24px; }
  .hero-stats { margin-top: 28px; padding-top: 24px; gap: 16px; }
  .hero-stat-item { flex: 1; min-width: 80px; }
  .hero-stat-item .num { font-size: 1.2rem; }
  .hero-stat-item .label { font-size: 0.72rem; }
  .section { padding: 48px 0; }
  .section-header { margin-bottom: 32px; }
  .feature-card { padding: 24px 20px; }
  .sports-grid { gap: 12px; }
  .sport-card .overlay { padding: 14px; }
  .sport-card .sport-name { font-size: 1rem; }
  .news-card-body { padding: 16px 18px 20px; }
  .footer-grid { gap: 24px; }
  .cta-content { padding: 48px 20px; }
  .cta-content h2 { font-size: 1.4rem; }
}

@media (max-width: 480px) {
  .logo { font-size: 1.05rem; }
  .logo i { font-size: 1.2rem; }
  .nav-link { padding: 4px 10px; font-size: 0.75rem; }
  .hero h1 { font-size: 1.35rem; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .sports-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stats-grid { gap: 12px; }
  .stat-item { padding: 16px 12px; }
  .stat-item .num { font-size: 1.4rem; }
  .faq-question { padding: 14px 16px; font-size: 0.9rem; }
  .faq-answer { padding: 0 16px; }
  .faq-item.open .faq-answer { padding: 0 16px 16px; }
}

/* ===== Accessibility ===== */
a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; } }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e85d04;
            --primary-light: #f48c06;
            --primary-dark: #c24b00;
            --secondary: #1b4332;
            --secondary-light: #2d6a4f;
            --accent: #ffba08;
            --bg-body: #faf8f5;
            --bg-card: #ffffff;
            --bg-dark: #1a1a2e;
            --bg-section-alt: #f0ede8;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5a;
            --text-muted: #8a8a9a;
            --text-light: #f8f9fa;
            --border: #e0ddd8;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 24px 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: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --nav-height: 52px;
            --spacing-section: 96px;
            --spacing-block: 64px;
        }

        /* ===== 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-family);
            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-sm);
        }

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

        a:hover,
        a:focus {
            color: var(--primary);
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 4px;
            border-radius: 4px;
        }

        button,
        input,
        textarea {
            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: 1.25;
            font-weight: 700;
            color: var(--text-primary);
        }

        h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); letter-spacing: -0.02em; }
        h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); letter-spacing: -0.01em; }
        h3 { font-size: clamp(1.3rem, 2.5vw, 1.7rem); }
        h4 { font-size: 1.2rem; }
        h5 { font-size: 1.05rem; }
        h6 { font-size: 0.95rem; }

        p {
            margin-bottom: 1em;
            color: var(--text-secondary);
        }

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

        /* ===== Utility ===== */
        .section-padding {
            padding: var(--spacing-section) 0;
        }

        .section-padding-sm {
            padding: var(--spacing-block) 0;
        }

        .text-center {
            text-align: center;
        }

        .text-primary {
            color: var(--primary);
        }

        .text-accent {
            color: var(--accent);
        }

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

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

        .bg-dark h2,
        .bg-dark h3,
        .bg-dark h4,
        .bg-dark p {
            color: var(--text-light);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: rgba(232, 93, 4, 0.12);
            color: var(--primary-dark);
            white-space: nowrap;
        }

        .badge-hot {
            background: #fee2e2;
            color: #b91c1c;
        }

        .badge-new {
            background: #d1fae5;
            color: #065f46;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 100px;
            font-size: 0.95rem;
            font-weight: 600;
            line-height: 1.4;
            transition: var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            box-shadow: 0 4px 16px rgba(232, 93, 4, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232, 93, 4, 0.4);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(232, 93, 4, 0.3);
        }

        .btn-outline {
            background: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

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

        .btn-white {
            background: #fff;
            color: var(--primary-dark);
            border-color: #fff;
        }

        .btn-white:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--bg-dark);
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 16px 40px;
            font-size: 1.1rem;
        }

        .section-label {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 100px;
            background: rgba(232, 93, 4, 0.1);
            color: var(--primary-dark);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .section-title {
            margin-bottom: 16px;
        }

        .section-desc {
            max-width: 680px;
            margin: 0 auto 48px;
            font-size: 1.1rem;
            color: var(--text-muted);
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            padding: 0 20px;
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-primary);
        }

        .logo i {
            color: var(--primary);
            font-size: 1.6rem;
        }

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

        .logo:hover span {
            -webkit-text-fill-color: var(--primary);
            background: none;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg-section-alt);
            border-radius: 100px;
            padding: 0 16px;
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .header-search:focus-within {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(232, 93, 4, 0.1);
        }

        .header-search i {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .header-search input {
            background: transparent;
            border: none;
            padding: 8px 12px;
            font-size: 0.9rem;
            width: 180px;
            color: var(--text-primary);
        }

        .header-search input::placeholder {
            color: var(--text-muted);
        }

        .header-cta {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: 100px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(232, 93, 4, 0.25);
            transition: var(--transition);
        }

        .header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 93, 4, 0.35);
            color: #fff;
        }

        .header-nav {
            border-top: 1px solid var(--border);
            background: #fff;
        }

        .nav-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            height: var(--nav-height);
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-inner::-webkit-scrollbar {
            display: none;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 100px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: var(--transition);
        }

        .nav-link i {
            font-size: 0.85rem;
        }

        .nav-link:hover {
            background: rgba(232, 93, 4, 0.08);
            color: var(--primary);
        }

        .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(232, 93, 4, 0.25);
        }

        .nav-link.active:hover {
            background: var(--primary-dark);
        }

        /* Mobile hamburger */
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            background: none;
            border: none;
        }

        .mobile-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            padding: 120px 0 80px;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            overflow: hidden;
            min-height: 460px;
            display: flex;
            align-items: center;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.25;
            mix-blend-mode: overlay;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-body), transparent);
        }

        .hero-particles {
            position: absolute;
            inset: 0;
            overflow: hidden;
            pointer-events: none;
        }

        .hero-particles span {
            position: absolute;
            width: 6px;
            height: 6px;
            background: rgba(255, 186, 8, 0.3);
            border-radius: 50%;
            animation: float 12s infinite ease-in-out;
        }

        .hero-particles span:nth-child(1) { top: 20%; left: 10%; animation-delay: 0s; width: 8px; height: 8px; }
        .hero-particles span:nth-child(2) { top: 60%; left: 25%; animation-delay: 2s; width: 5px; height: 5px; }
        .hero-particles span:nth-child(3) { top: 30%; left: 60%; animation-delay: 4s; width: 10px; height: 10px; }
        .hero-particles span:nth-child(4) { top: 70%; left: 75%; animation-delay: 6s; width: 6px; height: 6px; }
        .hero-particles span:nth-child(5) { top: 40%; left: 85%; animation-delay: 8s; width: 7px; height: 7px; }
        .hero-particles span:nth-child(6) { top: 80%; left: 40%; animation-delay: 10s; width: 4px; height: 4px; }

        @keyframes float {
            0%, 100% { transform: translateY(0) scale(1); opacity: 0.3; }
            50% { transform: translateY(-40px) scale(1.5); opacity: 0.8; }
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 20px;
            border-radius: 100px;
            background: rgba(255, 186, 8, 0.15);
            color: var(--accent);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 24px;
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 186, 8, 0.2);
        }

        .category-hero h1 {
            color: #fff;
            margin-bottom: 20px;
            font-size: clamp(2.2rem, 5vw, 3.4rem);
        }

        .category-hero h1 .highlight {
            background: linear-gradient(135deg, var(--accent), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            margin-top: 48px;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .hero-stat {
            text-align: center;
        }

        .hero-stat .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }

        .hero-stat .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        /* ===== Featured Events ===== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

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

        .event-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .event-card .card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

        .event-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .event-card:hover .card-img img {
            transform: scale(1.08);
        }

        .event-card .card-img .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
        }

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

        .event-card .card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
        }

        .event-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            flex: 1;
            margin-bottom: 16px;
        }

        .event-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }

        .event-card .card-footer .tag {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .event-card .card-footer .tag i {
            color: var(--primary);
        }

        .event-card .card-footer .arrow {
            color: var(--primary);
            font-size: 0.9rem;
        }

        /* ===== 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-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
        }

        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .step-card .step-num {
            counter-increment: step;
            width: 56px;
            height: 56px;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 1.4rem;
            font-weight: 800;
            box-shadow: 0 8px 24px rgba(232, 93, 4, 0.25);
        }

        .step-card h4 {
            margin-bottom: 10px;
        }

        .step-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== Categories / Sports Types ===== */
        .sports-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 20px;
        }

        .sport-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
            padding: 28px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            text-align: center;
            cursor: pointer;
        }

        .sport-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }

        .sport-item .icon-wrap {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            box-shadow: 0 4px 16px rgba(232, 93, 4, 0.2);
        }

        .sport-item .icon-wrap.green {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
        }

        .sport-item .icon-wrap.purple {
            background: linear-gradient(135deg, #7c3aed, #a78bfa);
        }

        .sport-item .icon-wrap.gold {
            background: linear-gradient(135deg, #d97706, #fbbf24);
        }

        .sport-item .icon-wrap.teal {
            background: linear-gradient(135deg, #0d9488, #5eead4);
        }

        .sport-item .sport-name {
            font-weight: 600;
            font-size: 1rem;
        }

        .sport-item .sport-count {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ===== Statistics / Proof ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            text-align: center;
        }

        .stat-card {
            padding: 32px 20px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-4px);
            background: rgba(255, 255, 255, 0.08);
        }

        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 12px;
        }

        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

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

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

        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }

        .faq-toggle {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            text-align: left;
            gap: 16px;
        }

        .faq-toggle i {
            font-size: 1.2rem;
            color: var(--primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-toggle i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
        }

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

        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }

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

        .cta-content h2 {
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-content p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
            margin-bottom: 32px;
        }

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

        /* ===== Footer ===== */
        .site-footer {
            background: #0d0d1a;
            color: rgba(255, 255, 255, 0.7);
            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: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .logo i {
            color: var(--primary);
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.5);
            max-width: 360px;
            margin-bottom: 20px;
        }

        .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: rgba(255, 255, 255, 0.6);
            font-size: 1.1rem;
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 16px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.5);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.35);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .header-search input {
                width: 120px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 64px;
                --spacing-block: 48px;
                --header-height: 60px;
                --nav-height: 48px;
            }

            .header-top {
                height: var(--header-height);
            }

            .header-search {
                display: none;
            }

            .header-cta .cta-text {
                display: none;
            }

            .header-cta {
                padding: 8px 14px;
            }

            .mobile-toggle {
                display: flex;
            }

            .header-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                z-index: 999;
            }

            .header-nav.open {
                display: block;
            }

            .nav-inner {
                flex-direction: column;
                height: auto;
                padding: 12px 20px;
                gap: 4px;
            }

            .nav-link {
                width: 100%;
                justify-content: flex-start;
                padding: 12px 16px;
            }

            .category-hero {
                padding: 80px 0 60px;
                min-height: auto;
            }

            .hero-stats-row {
                gap: 24px;
            }

            .hero-stat .num {
                font-size: 1.6rem;
            }

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

            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }

            .sports-grid {
                grid-template-columns: repeat(3, 1fr);
            }

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

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

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

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

            .cta-actions .btn {
                width: 100%;
                max-width: 320px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --spacing-section: 48px;
                --spacing-block: 36px;
            }

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

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

            .steps-grid {
                grid-template-columns: 1fr;
            }

            .hero-actions {
                flex-direction: column;
                align-items: center;
            }

            .hero-actions .btn {
                width: 100%;
                max-width: 300px;
            }

            .section-desc {
                font-size: 1rem;
            }

            .faq-toggle {
                font-size: 0.95rem;
                padding: 16px 18px;
            }

            .faq-answer {
                padding: 0 18px;
            }

            .faq-item.active .faq-answer {
                padding: 0 18px 16px;
            }

            .event-card .card-img {
                height: 160px;
            }
        }

        /* ===== Animation ===== */
        .fade-in {
            opacity: 0;
            transform: translateY(24px);
            animation: fadeInUp 0.6s ease forwards;
        }

        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

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

/* roulang page: article */
:root {
  --primary: #0f8a4a;
  --primary-dark: #0a6b38;
  --primary-light: #e8f5e9;
  --primary-gradient: linear-gradient(135deg, #0f8a4a 0%, #0a6b38 100%);
  --accent: #f5a623;
  --accent-dark: #e08e0f;
  --bg: #f8fafc;
  --white: #ffffff;
  --text: #1e293b;
  --text-light: #64748b;
  --text-lighter: #94a3b8;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.10);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.3s ease;
  --max-width: 1200px;
  --content-width: 900px;
  --header-h: 70px;
  --nav-h: 52px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; background: var(--bg); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }
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 { list-style: none; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: var(--content-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }
.section-title { font-size: 2rem; font-weight: 700; color: var(--text); margin-bottom: 8px; letter-spacing: -0.02em; }
.section-subtitle { font-size: 1.1rem; color: var(--text-light); margin-bottom: 48px; max-width: 640px; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-header .section-title { margin-bottom: 12px; }
.section-header .section-subtitle { margin: 0 auto; }

/* Header & Navigation */
.site-header { background: var(--white); box-shadow: 0 1px 4px rgba(0,0,0,0.04); position: sticky; top: 0; z-index: 100; }
.header-top { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); padding: 0 24px; max-width: var(--max-width); margin: 0 auto; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.5rem; font-weight: 800; color: var(--primary); letter-spacing: -0.02em; }
.logo i { font-size: 1.6rem; color: var(--accent); }
.logo span { background: var(--primary-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.logo:hover { opacity: 0.85; }
.header-actions { display: flex; align-items: center; gap: 16px; }
.header-search { display: flex; align-items: center; background: var(--bg); border: 1px solid var(--border); border-radius: 50px; padding: 6px 16px 6px 18px; transition: var(--transition); }
.header-search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(15,138,74,0.10); }
.header-search input { border: none; background: transparent; outline: none; font-size: 0.9rem; color: var(--text); width: 160px; padding: 4px 0; }
.header-search input::placeholder { color: var(--text-lighter); }
.header-search button { background: none; border: none; color: var(--text-light); cursor: pointer; padding: 2px 0 0 8px; font-size: 0.95rem; transition: var(--transition); }
.header-search button:hover { color: var(--primary); }
.header-cta { background: var(--primary-gradient); color: var(--white); border: none; padding: 8px 22px; border-radius: 50px; font-size: 0.9rem; font-weight: 600; cursor: pointer; transition: var(--transition); box-shadow: 0 4px 12px rgba(15,138,74,0.25); }
.header-cta:hover { box-shadow: 0 6px 20px rgba(15,138,74,0.35); transform: translateY(-1px); color: var(--white); }

.header-nav { background: var(--white); border-top: 1px solid var(--border); padding: 0 24px; }
.nav-inner { display: flex; gap: 4px; max-width: var(--max-width); margin: 0 auto; height: var(--nav-h); align-items: center; overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none; }
.nav-inner::-webkit-scrollbar { display: none; }
.nav-link { display: flex; align-items: center; gap: 6px; padding: 6px 18px; border-radius: 50px; font-size: 0.9rem; font-weight: 500; color: var(--text-light); white-space: nowrap; transition: var(--transition); }
.nav-link i { font-size: 0.85rem; }
.nav-link:hover { background: var(--primary-light); color: var(--primary); }
.nav-link.active { background: var(--primary-gradient); color: var(--white); box-shadow: 0 4px 12px rgba(15,138,74,0.20); }
.nav-link.active:hover { color: var(--white); opacity: 0.92; }

/* Mobile menu toggle */
.mobile-toggle { display: none; background: none; border: none; font-size: 1.4rem; color: var(--text); cursor: pointer; padding: 4px; }
@media (max-width: 768px) {
  .mobile-toggle { display: block; }
  .header-search input { width: 100px; }
  .header-cta { padding: 6px 16px; font-size: 0.8rem; }
  .header-nav { overflow: hidden; max-height: 0; transition: max-height 0.4s ease; padding: 0; }
  .header-nav.open { max-height: 200px; }
  .nav-inner { flex-wrap: wrap; padding: 12px 16px; height: auto; gap: 8px; }
  .nav-link { padding: 8px 16px; }
}

/* Hero Banner */
.article-banner { position: relative; background: var(--primary-dark); min-height: 340px; display: flex; align-items: center; overflow: hidden; }
.article-banner-bg { position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; background-repeat: no-repeat; opacity: 0.30; }
.article-banner-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(10,107,56,0.92) 0%, rgba(15,138,74,0.70) 100%); }
.article-banner .container-narrow { position: relative; z-index: 2; padding: 60px 24px; text-align: center; }
.article-category { display: inline-block; background: rgba(255,255,255,0.18); backdrop-filter: blur(6px); color: var(--white); padding: 4px 16px; border-radius: 50px; font-size: 0.8rem; font-weight: 500; margin-bottom: 20px; letter-spacing: 0.5px; }
.article-banner h1 { font-size: 2.6rem; font-weight: 800; color: var(--white); line-height: 1.25; margin-bottom: 16px; letter-spacing: -0.02em; text-shadow: 0 2px 12px rgba(0,0,0,0.15); }
.article-meta { display: flex; justify-content: center; align-items: center; gap: 24px; color: rgba(255,255,255,0.80); font-size: 0.95rem; flex-wrap: wrap; }
.article-meta i { margin-right: 6px; }
.article-meta span { display: flex; align-items: center; }
@media (max-width: 768px) {
  .article-banner { min-height: 260px; }
  .article-banner h1 { font-size: 1.8rem; }
  .article-banner .container-narrow { padding: 40px 20px; }
  .article-meta { gap: 12px; font-size: 0.85rem; }
}

/* Article Content */
.article-content-wrap { padding: 56px 0 40px; }
.article-body { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 48px; margin-bottom: 32px; }
.article-body h2 { font-size: 1.6rem; font-weight: 700; margin: 32px 0 16px; color: var(--text); }
.article-body h3 { font-size: 1.25rem; font-weight: 600; margin: 24px 0 12px; color: var(--text); }
.article-body p { margin-bottom: 18px; color: var(--text); font-size: 1.05rem; line-height: 1.85; }
.article-body ul, .article-body ol { margin: 16px 0 20px 24px; }
.article-body li { margin-bottom: 8px; color: var(--text); font-size: 1.02rem; line-height: 1.7; }
.article-body img { border-radius: var(--radius); margin: 24px 0; box-shadow: var(--shadow-sm); }
.article-body blockquote { border-left: 4px solid var(--primary); background: var(--primary-light); padding: 16px 24px; margin: 24px 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--text); font-style: italic; }
.article-body a { color: var(--primary); font-weight: 500; border-bottom: 1px solid transparent; }
.article-body a:hover { border-bottom-color: var(--primary); }
.article-footer-bar { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--border); }
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { display: inline-block; background: var(--primary-light); color: var(--primary-dark); padding: 4px 14px; border-radius: 50px; font-size: 0.8rem; font-weight: 500; transition: var(--transition); }
.tag:hover { background: var(--primary); color: var(--white); }
.article-share { display: flex; align-items: center; gap: 10px; }
.article-share span { font-size: 0.9rem; color: var(--text-light); }
.share-btn { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 50%; background: var(--bg); color: var(--text-light); border: 1px solid var(--border); transition: var(--transition); font-size: 1rem; }
.share-btn:hover { background: var(--primary); color: var(--white); border-color: var(--primary); }
@media (max-width: 768px) {
  .article-body { padding: 24px 20px; }
  .article-body p { font-size: 1rem; }
  .article-footer-bar { flex-direction: column; align-items: flex-start; }
}

/* Not Found */
.not-found-wrap { text-align: center; padding: 80px 24px; }
.not-found-wrap .icon { font-size: 4rem; color: var(--text-lighter); margin-bottom: 24px; }
.not-found-wrap h2 { font-size: 1.8rem; color: var(--text); margin-bottom: 12px; }
.not-found-wrap p { color: var(--text-light); font-size: 1.05rem; margin-bottom: 32px; }
.not-found-wrap .btn { display: inline-flex; align-items: center; gap: 8px; }

/* Related Posts */
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); }
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.related-card-img { height: 180px; background-size: cover; background-position: center; background-repeat: no-repeat; position: relative; }
.related-card-img .related-overlay { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(0,0,0,0.35) 0%, transparent 60%); }
.related-card-body { padding: 20px; }
.related-card-body h3 { font-size: 1.05rem; font-weight: 600; color: var(--text); margin-bottom: 8px; line-height: 1.4; }
.related-card-body p { font-size: 0.9rem; color: var(--text-light); line-height: 1.6; }
.related-card-body .related-meta { font-size: 0.8rem; color: var(--text-lighter); margin-top: 12px; display: flex; align-items: center; gap: 6px; }
@media (max-width: 992px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .related-grid { grid-template-columns: 1fr; }
}

/* CTA Section */
.cta-section { background: var(--primary-gradient); border-radius: var(--radius-xl); padding: 56px 48px; text-align: center; position: relative; overflow: hidden; margin: 0 24px; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat; opacity: 0.08; }
.cta-section h2 { font-size: 2rem; font-weight: 700; color: var(--white); margin-bottom: 12px; position: relative; z-index: 1; }
.cta-section p { font-size: 1.1rem; color: rgba(255,255,255,0.85); max-width: 560px; margin: 0 auto 28px; position: relative; z-index: 1; }
.cta-section .btn-cta { display: inline-flex; align-items: center; gap: 10px; background: var(--white); color: var(--primary-dark); border: none; padding: 14px 36px; border-radius: 50px; font-size: 1rem; font-weight: 700; cursor: pointer; transition: var(--transition); box-shadow: 0 8px 24px rgba(0,0,0,0.15); position: relative; z-index: 1; }
.cta-section .btn-cta:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(0,0,0,0.20); color: var(--primary); }
@media (max-width: 768px) {
  .cta-section { padding: 40px 24px; margin: 0 16px; }
  .cta-section h2 { font-size: 1.5rem; }
  .cta-section p { font-size: 1rem; }
}

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.faq-question { width: 100%; background: none; border: none; padding: 18px 24px; font-size: 1rem; font-weight: 600; color: var(--text); display: flex; justify-content: space-between; align-items: center; cursor: pointer; text-align: left; transition: var(--transition); }
.faq-question i { font-size: 1.2rem; color: var(--primary); transition: var(--transition); }
.faq-question[aria-expanded="true"] i { transform: rotate(180deg); }
.faq-question:hover { color: var(--primary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; padding: 0 24px; }
.faq-answer.open { max-height: 300px; padding: 0 24px 18px; }
.faq-answer p { font-size: 0.95rem; color: var(--text-light); line-height: 1.7; }

/* Footer */
.site-footer { background: #0f172a; color: rgba(255,255,255,0.70); padding: 60px 0 0; margin-top: 72px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand .logo { font-size: 1.3rem; margin-bottom: 16px; color: var(--white); }
.footer-brand .logo span { -webkit-text-fill-color: var(--white); background: none; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; margin-bottom: 20px; color: rgba(255,255,255,0.55); max-width: 360px; }
.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(255,255,255,0.50); font-size: 1.1rem; transition: var(--transition); }
.footer-social a:hover { background: var(--primary); color: var(--white); }
.footer-col h4 { font-size: 1rem; font-weight: 600; color: var(--white); margin-bottom: 20px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: rgba(255,255,255,0.55); font-size: 0.9rem; transition: var(--transition); display: flex; align-items: center; gap: 6px; }
.footer-col ul a:hover { color: var(--white); padding-left: 4px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; padding: 24px 0; font-size: 0.85rem; color: rgba(255,255,255,0.40); }
.footer-bottom a { color: rgba(255,255,255,0.50); }
.footer-bottom a:hover { color: var(--white); }
@media (max-width: 992px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 640px) { .footer-grid { grid-template-columns: 1fr; gap: 24px; } .footer-bottom { flex-direction: column; text-align: center; } }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 28px; border-radius: 50px; font-size: 0.95rem; font-weight: 600; border: none; cursor: pointer; transition: var(--transition); }
.btn-primary { background: var(--primary-gradient); color: var(--white); box-shadow: 0 4px 16px rgba(15,138,74,0.25); }
.btn-primary:hover { box-shadow: 0 6px 24px rgba(15,138,74,0.35); transform: translateY(-1px); color: var(--white); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: var(--white); }

/* Responsive utilities */
@media (max-width: 768px) {
  .section { padding: 48px 0; }
  .section-title { font-size: 1.6rem; }
  .hide-mobile { display: none !important; }
}
@media (min-width: 769px) {
  .hide-desktop { display: none !important; }
}

/* Misc */
.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; }
.gap-8 { gap: 8px; }
.flex-center { display: flex; align-items: center; justify-content: center; }