:root{--primary:#0d6efd;--primary-dark:#0a58ca;--secondary:#198754;--accent:#dc3545;--gold:#ffc107;--dark-bg:#111827;--light-bg:#f8f9fa;--card-bg:#ffffff;--text-main:#212529;--text-muted:#6c757d;--border-color:#dee2e6;--theme-gradient:linear-gradient(135deg,#0d6efd 0%,#198754 50%,#dc3545 100%)}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--text-main);background-color:var(--light-bg);line-height:1.6;overflow-x:hidden}.custom-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;box-shadow:0 4px 6px rgba(0,0,0,0.05);transition:transform 0.3s ease,box-shadow 0.3s ease;overflow:hidden}.custom-card:hover{transform:translateY(-4px);box-shadow:0 10px 15px rgba(0,0,0,0.1)}.navbar-brand img{max-height:40px}.nav-link{font-weight:500;color:var(--text-main);transition:color 0.2s ease}.nav-link:hover,.nav-link.active{color:var(--primary)}.hero-section{background:linear-gradient(rgba(17,24,39,0.85),rgba(17,24,39,0.95)),url('https://jifen-2026worldcup.com.cn/skin/cover/jifen2026worldcupcomcn/jifen2026worldcupcomcnhero-462.webp') no-repeat center center/cover;color:#ffffff;padding:80px 0;border-bottom:5px solid var(--gold)}.hero-title{font-size:2.8rem;font-weight:800;line-height:1.2;letter-spacing:-0.02em}.hero-tag{background:var(--theme-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-weight:700;display:inline-block}.live-status-bar{background:var(--dark-bg);color:#ffffff;padding:15px 0;border-bottom:1px solid rgba(255,255,255,0.1)}.status-badge{font-size:0.75rem;padding:3px 8px;border-radius:4px;font-weight:bold}.group-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}.group-card{background:#ffffff;border:1px solid var(--border-color);border-radius:10px;padding:15px}.group-header{background:var(--light-bg);font-weight:bold;padding:8px 12px;border-radius:6px;margin-bottom:10px;color:var(--primary);border-left:4px solid var(--primary)}.quick-nav{position:fixed;right:20px;top:50%;transform:translateY(-50%);z-index:1000;background:rgba(255,255,255,0.95);padding:15px 10px;border-radius:30px;box-shadow:0 4px 20px rgba(0,0,0,0.15);backdrop-filter:blur(5px);display:none}@media (min-width:1200px){.quick-nav{display:block}}.quick-nav-item{display:flex;align-items:center;justify-content:center;width:40px;height:40px;margin:8px 0;border-radius:50%;color:var(--text-main);transition:all 0.3s;text-decoration:none}.quick-nav-item:hover{background-color:var(--primary);color:#ffffff}footer{background-color:var(--dark-bg);color:#ced4da;padding:60px 0 30px}footer a{color:#ced4da;text-decoration:none;transition:color 0.2s}footer a:hover{color:#ffffff}@media (max-width:768px){.hero-title{font-size:2rem}.section-title{font-size:1.75rem}}