:root{--page-bg:#f5f7fb;--surface:#ffffff;--surface-strong:#0f172a;--primary:#0052cc;--secondary:#e00034;--accent:#f5a623;--accent-bg:#fff9e6;--text-main:#1e293b;--text-muted:#64748b;--border:#e2e8f0;--primary-light:#eef2ff;--gradient-primary:linear-gradient(135deg,#0052cc 0%,#1d4ed8 100%);--gradient-accent:linear-gradient(135deg,#e00034 0%,#be123c 100%)}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";background-color:var(--page-bg);color:var(--text-main);overflow-x:hidden;line-height:1.6}.navbar{background-color:rgba(255,255,255,0.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);transition:all 0.3s ease}.navbar-brand{font-weight:800;color:var(--primary) !important;display:flex;align-items:center;gap:8px}.navbar-brand img{max-height:40px;object-fit:contain}.nav-link{font-weight:500;color:var(--text-main) !important;transition:color 0.2s}.nav-link:hover{color:var(--secondary) !important}.hero-section{background:linear-gradient(rgba(15,23,42,0.85),rgba(15,23,42,0.95)),url("https://infotop-worldcup.com.cn/skin/cover/infotopworldcupcomcn/infotopworldcupcomcnhero-310.webp");background-size:cover;background-position:center;color:#ffffff;padding:120px 0 80px;border-radius:0 0 24px 24px}.hero-badge{background-color:var(--secondary);color:#ffffff;padding:6px 16px;border-radius:50px;font-weight:600;font-size:0.85rem;display:inline-block;margin-bottom:15px;text-transform:uppercase;letter-spacing:1px}.hero-title{font-size:2.8rem;font-weight:800;line-height:1.25;margin-bottom:20px}.hero-desc{font-size:1.1rem;opacity:0.9;margin-bottom:30px;max-width:650px}.hero-stats-card{background:rgba(255,255,255,0.1);backdrop-filter:blur(5px);border:1px solid rgba(255,255,255,0.2);border-radius:12px;padding:15px;text-align:center}.hero-stats-num{font-size:1.8rem;font-weight:700;color:var(--accent)}.section-title{position:relative;font-weight:800;color:var(--surface-strong);margin-bottom:35px;padding-bottom:15px}.section-title::after{content:'';position:absolute;bottom:0;left:0;width:60px;height:4px;background:var(--gradient-primary);border-radius:2px}.custom-card{background-color:var(--surface);border-radius:14px;border:1px solid var(--border);box-shadow:0 4px 6px -1px rgba(0,0,0,0.05);transition:transform 0.3s ease,box-shadow 0.3s ease;overflow:hidden;height:100%}.custom-card:hover{transform:translateY(-5px);box-shadow:0 10px 15px -3px rgba(0,0,0,0.1)}.schedule-tab{background:var(--surface);border-radius:10px;padding:8px;border:1px solid var(--border);margin-bottom:25px}.schedule-tab .nav-link{border-radius:8px !important;padding:10px 20px;font-weight:600}.schedule-tab .nav-link.active{background:var(--gradient-primary) !important;color:white !important}.match-card{border-left:5px solid var(--primary);padding:20px}.match-card.live{border-left-color:var(--secondary)}.team-logo-placeholder{width:45px;height:45px;background:var(--primary-light);color:var(--primary);font-weight:700;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:0.9rem}.match-vs{font-weight:800;font-size:1.2rem;color:var(--surface-strong)}.match-status{font-size:0.8rem;padding:4px 10px;border-radius:20px;font-weight:600}.status-unstarted{background:var(--primary-light);color:var(--primary)}.status-live{background:#ffebeb;color:var(--secondary);animation:pulse 2s infinite}.group-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.group-card-header{background:var(--gradient-primary);color:white;padding:12px 15px;font-weight:700;font-size:1.1rem;border-radius:12px 12px 0 0}.group-table{margin-bottom:0}.group-table th{font-size:0.75rem;color:var(--text-muted);text-transform:uppercase}.group-table td{font-size:0.9rem;vertical-align:middle;padding:10px 8px}.stadium-img{height:220px;object-fit:cover;width:100%}.guide-box{background:var(--accent-bg);border-left:4px solid var(--accent);border-radius:8px;padding:20px}.faq-accordion .accordion-item{border:1px solid var(--border);border-radius:10px !important;margin-bottom:12px;overflow:hidden}.faq-accordion .accordion-button{font-weight:600;color:var(--surface-strong)}.faq-accordion .accordion-button:not(.collapsed){background-color:var(--primary-light);color:var(--primary)}footer{background-color:var(--surface-strong);color:#94a3b8;padding:70px 0 30px;font-size:0.95rem}footer a{color:#cbd5e1;text-decoration:none;transition:color 0.2s}footer a:hover{color:var(--accent)}footer .footer-title{color:#ffffff;font-weight:700;margin-bottom:20px}@keyframes pulse{0%{opacity:0.8}50%{opacity:1}100%{opacity:0.8}}.responsive-table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch}@media (max-width:768px){.hero-title{font-size:2rem}.section-title{font-size:1.5rem}}