:root{--primary-color:#002f6c;--secondary-color:#da291c;--accent-color:#ffcd00;--bg-light:#f8f9fa;--bg-dark:#0b132b;--text-dark:#1e293b;--text-light:#f8fafc;--text-muted:#64748b;--border-color:#e2e8f0;--card-radius:12px;--transition-smooth:all 0.3s cubic-bezier(0.4,0,0.2,1)}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background-color:var(--bg-light);color:var(--text-dark);line-height:1.6;overflow-x:hidden}.navbar{background-color:rgba(255,255,255,0.95);backdrop-filter:blur(10px);border-bottom:2px solid var(--primary-color);transition:var(--transition-smooth)}.navbar-brand img{max-height:45px;object-fit:contain}.nav-link{color:var(--primary-color) !important;font-weight:600;padding:0.5rem 1rem !important;transition:var(--transition-smooth)}.nav-link:hover{color:var(--secondary-color) !important}.hero-section{background:linear-gradient(135deg,rgba(0,47,108,0.9),rgba(11,19,43,0.95)),url('https://worldcup-seeds.com.cn/skin/cover/worldcupseedscomcn/worldcupseedscomcnhero-304.webp') no-repeat center center/cover;padding:100px 0 80px;color:var(--text-light);position:relative}.hero-title{font-size:2.8rem;font-weight:800;line-height:1.2;text-shadow:0 2px 4px rgba(0,0,0,0.3)}.hero-desc{font-size:1.15rem;opacity:0.9;max-width:700px}.hero-badge{background-color:var(--secondary-color);color:var(--text-light);padding:6px 16px;border-radius:30px;font-weight:bold;display:inline-block;margin-bottom:15px}.overview-card{background:var(--text-light);border-radius:var(--card-radius);box-shadow:0 10px 30px rgba(0,0,0,0.05);padding:25px;border-top:4px solid var(--primary-color);transition:var(--transition-smooth)}.overview-card:hover{transform:translateY(-5px)}.overview-num{font-size:2.2rem;font-weight:800;color:var(--secondary-color)}.match-card{background:#fff;border-radius:var(--card-radius);border:1px solid var(--border-color);transition:var(--transition-smooth);overflow:hidden}.match-card:hover{border-color:var(--secondary-color);box-shadow:0 5px 15px rgba(0,0,0,0.05)}.match-header{background-color:#f1f5f9;padding:10px 15px;font-size:0.85rem;color:var(--text-muted);border-bottom:1px solid var(--border-color)}.team-logo-placeholder{width:36px;height:36px;background-color:#e2e8f0;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:bold;font-size:12px;color:var(--primary-color)}.group-box{background:#fff;border-radius:var(--card-radius);border:1px solid var(--border-color);padding:20px;height:100%}.group-header{background:linear-gradient(135deg,var(--primary-color),#004080);color:#fff;padding:8px 15px;border-radius:6px;font-weight:bold;margin-bottom:15px}.table-group th{font-weight:600;color:var(--text-muted)}.team-badge-card{background:#fff;border-radius:var(--card-radius);padding:20px;text-align:center;border:1px solid var(--border-color);transition:var(--transition-smooth)}.team-badge-card:hover{transform:scale(1.03);border-color:var(--accent-color)}.news-card{border:none;border-radius:var(--card-radius);overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,0.05);background:#fff;transition:var(--transition-smooth);height:100%}.news-card:hover{transform:translateY(-5px)}.news-img{height:180px;object-fit:cover;width:100%}.guide-box{background:var(--text-light);border-left:5px solid var(--accent-color);padding:20px;border-radius:0 var(--card-radius) var(--card-radius) 0;box-shadow:0 4px 10px rgba(0,0,0,0.02)}.accordion-item{border:1px solid var(--border-color);border-radius:var(--card-radius) !important;margin-bottom:12px;overflow:hidden}.accordion-button:not(.collapsed){background-color:rgba(0,47,108,0.05);color:var(--primary-color)}footer{background-color:var(--bg-dark);color:#94a3b8;padding:60px 0 30px}footer a{color:#cbd5e1;text-decoration:none;transition:var(--transition-smooth)}footer a:hover{color:var(--accent-color)}@media (max-width:768px){.hero-title{font-size:2rem}.navbar-brand span{display:none}}