:root{--page-bg:#f4f6f9;--surface:#ffffff;--surface-strong:#0a1128;--text-main:#1e293b;--text-muted:#64748b;--text-light:#f8fafc;--accent-us:#002868;--accent-mx:#006847;--accent-ca:#da291c;--accent-gold:#d4af37;--border:#e2e8f0;--card-radius:12px;--transition:all 0.3s ease}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background-color:var(--page-bg);color:var(--text-main);line-height:1.6;overflow-x:hidden}.section-title{position:relative;font-size:2rem;font-weight:800;color:var(--surface-strong);margin-bottom:2rem;padding-bottom:0.75rem}.section-title::after{content:'';position:absolute;left:0;bottom:0;width:60px;height:4px;background:linear-gradient(90deg,var(--accent-us),var(--accent-mx),var(--accent-ca));border-radius:2px}.navbar-custom{background-color:rgba(10,17,40,0.95);backdrop-filter:blur(10px);border-bottom:3px solid var(--accent-gold);padding:0.75rem 0}.navbar-brand img{height:45px;object-fit:contain}.nav-link-custom{color:#e2e8f0 !important;font-weight:600;padding:0.5rem 1rem !important;transition:var(--transition)}.nav-link-custom:hover{color:var(--accent-gold) !important}.hero-section{background:radial-gradient(circle at top right,rgba(10,17,40,0.9),rgba(10,17,40,0.98)),url('https://infolive-2026worldcup.com.cn/skin/cover/infolive2026worldcupcomcn/infolive2026worldcupcomcnhero-305.webp') no-repeat center center/cover;color:var(--text-light);padding:5rem 0;border-bottom:5px solid var(--accent-mx)}.hero-badge{background:linear-gradient(90deg,var(--accent-ca),var(--accent-us),var(--accent-mx));color:#fff;padding:0.5rem 1.25rem;border-radius:50px;font-size:0.875rem;font-weight:700;display:inline-block;margin-bottom:1.5rem;letter-spacing:1px}.hero-title{font-size:3rem;font-weight:900;line-height:1.2;margin-bottom:1.5rem;text-shadow:0 2px 4px rgba(0,0,0,0.5)}.hero-title span{color:var(--accent-gold)}.hero-desc{font-size:1.125rem;color:#cbd5e1;margin-bottom:2rem;max-width:700px}.hero-img-container img{border-radius:var(--card-radius);box-shadow:0 15px 30px rgba(0,0,0,0.4);border:4px solid rgba(255,255,255,0.1)}.data-counter-box{background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);border-radius:var(--card-radius);padding:1.5rem;text-align:center;backdrop-filter:blur(5px)}.data-counter-num{font-size:2.5rem;font-weight:800;color:var(--accent-gold);line-height:1;margin-bottom:0.5rem}.schedule-card{background-color:var(--surface);border-radius:var(--card-radius);border-left:5px solid var(--accent-us);box-shadow:0 4px 6px rgba(0,0,0,0.05);margin-bottom:1rem;transition:var(--transition)}.schedule-card:hover{transform:translateY(-3px);box-shadow:0 8px 15px rgba(0,0,0,0.1)}.schedule-badge{background-color:#f1f5f9;color:var(--text-muted);font-weight:600;font-size:0.75rem;padding:0.25rem 0.75rem;border-radius:4px}.group-table{background-color:var(--surface);border-radius:var(--card-radius);overflow:hidden;box-shadow:0 4px 6px rgba(0,0,0,0.05)}.group-header{background-color:var(--surface-strong);color:var(--text-light);font-weight:700;padding:1rem}.team-card{background-color:var(--surface);border-radius:var(--card-radius);border:1px solid var(--border);overflow:hidden;transition:var(--transition)}.team-card:hover{transform:translateY(-5px);box-shadow:0 10px 20px rgba(0,0,0,0.08)}.team-flag-strip{height:6px;width:100%}.news-item{border-bottom:1px solid var(--border);padding-bottom:1.25rem;margin-bottom:1.25rem}.news-item:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.guide-card{background-color:var(--surface);border-radius:var(--card-radius);box-shadow:0 4px 6px rgba(0,0,0,0.05);border:1px solid var(--border);overflow:hidden}.faq-item{background-color:var(--surface);border-radius:var(--card-radius);border:1px solid var(--border);margin-bottom:1rem}.faq-button{font-weight:700;color:var(--surface-strong);text-align:left;width:100%;padding:1.25rem;background:none;border:none;outline:none;display:flex;justify-content:space-between;align-items:center}.faq-button:not(.collapsed){color:var(--accent-us);border-bottom:1px solid var(--border)}.faq-body{padding:1.25rem;color:var(--text-main);background-color:#fafbfd;border-radius:0 0 var(--card-radius) var(--card-radius)}footer{background-color:var(--surface-strong);color:#cbd5e1;padding:4rem 0 2rem 0;border-top:5px solid var(--accent-gold)}footer a{color:#94a3b8;text-decoration:none;transition:var(--transition)}footer a:hover{color:var(--text-light)}@media (max-width:991.98px){.hero-title{font-size:2.25rem}.section-title{font-size:1.75rem}}.table-responsive{margin-bottom:0}