:root{--page-bg:#f4f7fc;--surface:#ffffff;--surface-strong:#0f172a;--text-main:#1e293b;--text-muted:#64748b;--accent:#0f52ba;--accent-gradient:linear-gradient(135deg,#0f52ba 0%,#0284c7 100%);--accent-2:#ef4444;--border:#e2e8f0;--card-shadow:0 4px 20px rgba(15,82,186,0.06);--header-height:70px}body{background-color:var(--page-bg);color:var(--text-main);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;overflow-x:hidden;line-height:1.6}.navbar-custom{background-color:var(--surface-strong);box-shadow:0 2px 10px rgba(0,0,0,0.1);padding:10px 0;position:sticky;top:0;z-index:1000}.navbar-custom .navbar-brand{display:flex;align-items:center;font-weight:700;color:#ffffff;font-size:1.25rem}.navbar-custom .navbar-brand img{max-height:45px;margin-right:10px}.navbar-custom .nav-link{color:rgba(255,255,255,0.8) !important;font-weight:500;padding:8px 16px !important;transition:color 0.3s}.navbar-custom .nav-link:hover{color:#ffffff !important}.navbar-custom .nav-link.active{color:#38bdf8 !important}.hero-section{background:linear-gradient(rgba(15,23,42,0.85),rgba(15,23,42,0.95)),url('https://indexplus-2026worldcup.com.cn/skin/cover/indexplus2026worldcupcomcn/indexplus2026worldcupcomcnhero-137.webp') center/cover no-repeat;color:#ffffff;padding:100px 0 80px;position:relative}.hero-title{font-size:2.8rem;font-weight:800;line-height:1.2;margin-bottom:20px;background:linear-gradient(to right,#ffffff,#38bdf8);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-subtitle{font-size:1.2rem;color:#cbd5e1;margin-bottom:30px;max-width:800px}.hero-stats{background:rgba(255,255,255,0.1);backdrop-filter:blur(10px);border-radius:12px;padding:20px;border:1px solid rgba(255,255,255,0.15)}.stat-item{text-align:center;border-right:1px solid rgba(255,255,255,0.1)}.stat-item:last-child{border-right:none}.stat-val{font-size:1.8rem;font-weight:700;color:#38bdf8;display:block}.stat-label{font-size:0.85rem;color:#94a3b8}section{padding:80px 0}.section-header{margin-bottom:50px;text-align:center}.section-title{font-size:2rem;font-weight:700;color:var(--text-main);position:relative;display:inline-block;padding-bottom:12px}.section-title::after{content:'';position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:60px;height:4px;background-color:var(--accent);border-radius:2px}.section-subtitle{color:var(--text-muted);margin-top:15px;font-size:1.05rem}.match-badge{font-size:0.75rem;padding:4px 8px;border-radius:4px;font-weight:600}.badge-live{background-color:#fca5a5;color:#b91c1c}.badge-upcoming{background-color:#cbd5e1;color:#475569}.badge-ended{background-color:#e2e8f0;color:#64748b}.custom-card{background-color:var(--surface);border-radius:12px;border:1px solid var(--border);box-shadow:var(--card-shadow);transition:transform 0.3s,box-shadow 0.3s;overflow:hidden;height:100%}.custom-card:hover{transform:translateY(-5px);box-shadow:0 10px 25px rgba(15,82,186,0.12)}.match-card{background:var(--surface);border-radius:12px;border:1px solid var(--border);padding:20px;margin-bottom:20px;box-shadow:var(--card-shadow)}.team-row{display:flex;align-items:center;justify-content:space-between;margin:10px 0}.team-info{display:flex;align-items:center}.team-flag{width:30px;height:20px;object-fit:cover;border-radius:2px;margin-right:12px;border:1px solid #e2e8f0}.team-name{font-weight:600;font-size:1rem}.team-score{font-size:1.25rem;font-weight:700;font-family:monospace}.group-table{width:100%;margin-bottom:0}.group-table th{background-color:#f8fafc;color:var(--text-muted);font-weight:600;border-bottom:2px solid var(--border)}.group-table td{vertical-align:middle;font-size:0.9rem}.guide-box{background:var(--surface);border-radius:12px;border-left:5px solid var(--accent);padding:24px;box-shadow:var(--card-shadow)}.accordion-button:not(.collapsed){background-color:#f0f6ff;color:var(--accent)}footer{background-color:var(--surface-strong);color:#cbd5e1;padding:60px 0 30px;font-size:0.9rem}footer a{color:#94a3b8;text-decoration:none;transition:color 0.3s}footer a:hover{color:#ffffff}footer h5{color:#ffffff;margin-bottom:20px;font-size:1.1rem;font-weight:600}@media (max-width:991.98px){.hero-title{font-size:2.2rem}.stat-item{border-right:none;border-bottom:1px solid rgba(255,255,255,0.1);padding-bottom:15px;margin-bottom:15px}.stat-item:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}}