:root{--primary-color:#0d5c75;--primary-gradient:linear-gradient(135deg,#0d5c75 0%,#1995ad 100%);--secondary-color:#a11d33;--accent-green:#137a41;--dark-blue:#0b132b;--light-bg:#f4f7f6;--white:#ffffff;--text-main:#1c2529;--text-muted:#6c757d;--border-color:#dee2e6;--border-radius:12px;--transition-speed:0.3s}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background-color:var(--light-bg);color:var(--text-main);overflow-x:hidden;line-height:1.6}h1,h2,h3,h4,h5,h6{font-weight:700}a{text-decoration:none;transition:color var(--transition-speed)}.navbar-custom{background-color:var(--white);box-shadow:0 4px 15px rgba(0,0,0,0.05);padding:15px 0}.navbar-brand img{max-height:45px;object-fit:contain}.nav-link{color:var(--text-main);font-weight:600;padding:8px 16px !important}.nav-link:hover,.nav-link.active{color:var(--primary-color)}.btn-portal{background-image:var(--primary-gradient);color:var(--white) !important;border-radius:20px;padding:8px 20px;font-weight:600}.hero-section{background:linear-gradient(135deg,rgba(11,19,43,0.95) 0%,rgba(13,92,117,0.9) 100%),url('https://cupinfo-worldcup.com.cn/skin/cover/cupinfoworldcupcomcn/cupinfoworldcupcomcnhero-42.webp') no-repeat center center / cover;color:var(--white);padding:100px 0 120px;border-radius:0 0 40px 40px}.hero-title{font-size:3rem;line-height:1.2;margin-bottom:20px;text-shadow:0 2px 4px rgba(0,0,0,0.3)}.hero-img{border-radius:var(--border-radius);box-shadow:0 20px 40px rgba(0,0,0,0.3);max-width:100%;height:auto}.section-padding{padding:80px 0}.section-title{position:relative;margin-bottom:50px;font-weight:800}.section-title::after{content:'';position:absolute;left:0;bottom:-10px;width:60px;height:4px;background-color:var(--primary-color);border-radius:2px}.section-title.text-center::after{left:50%;transform:translateX(-50%)}.custom-card{background-color:var(--white);border-radius:var(--border-radius);border:none;box-shadow:0 10px 30px rgba(0,0,0,0.05);transition:transform var(--transition-speed),box-shadow var(--transition-speed);overflow:hidden;height:100%}.custom-card:hover{transform:translateY(-5px);box-shadow:0 15px 35px rgba(0,0,0,0.1)}.overview-badge{display:inline-flex;align-items:center;padding:8px 16px;border-radius:30px;font-weight:600;margin-bottom:15px;background-color:rgba(13,92,117,0.1);color:var(--primary-color)}.schedule-tab{background:var(--white);border-radius:30px;padding:5px;box-shadow:0 4px 15px rgba(0,0,0,0.05)}.schedule-tab .nav-link{border-radius:25px;border:none;padding:10px 24px !important}.schedule-tab .nav-link.active{background-image:var(--primary-gradient);color:var(--white) !important}.match-row{background-color:var(--white);border-radius:var(--border-radius);padding:20px;margin-bottom:15px;box-shadow:0 4px 15px rgba(0,0,0,0.03);display:flex;align-items:center;justify-content:space-between;transition:border var(--transition-speed);border-left:5px solid transparent}.match-row:hover{border-left-color:var(--primary-color)}.match-team{font-weight:700;font-size:1.1rem;display:flex;align-items:center;gap:12px}.match-time{color:var(--text-muted);font-size:0.9rem;text-align:center}.match-score{font-size:1.5rem;font-weight:800;background-color:var(--light-bg);padding:5px 15px;border-radius:8px;min-width:90px;text-align:center}.group-card{border-top:4px solid var(--primary-color)}.group-card.border-red{border-top-color:var(--secondary-color)}.group-card.border-green{border-top-color:var(--accent-green)}.table-group th{background-color:var(--light-bg);font-weight:600}.team-img-wrap{position:relative;overflow:hidden;height:220px}.team-img-wrap img{width:100%;height:100%;object-fit:cover}.news-badge{position:absolute;top:15px;left:15px;background-color:var(--secondary-color);color:var(--white);padding:4px 12px;border-radius:4px;font-size:0.8rem;font-weight:600}.guide-card i{font-size:2.5rem;color:var(--primary-color);margin-bottom:15px;display:inline-block}.accordion-item{border:none;margin-bottom:15px;border-radius:var(--border-radius) !important;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,0.03)}.accordion-button{font-weight:600;padding:20px}.accordion-button:not(.collapsed){background-color:rgba(13,92,117,0.05);color:var(--primary-color)}.footer-section{background-color:var(--dark-blue);color:rgba(255,255,255,0.8);padding:80px 0 30px}.footer-title{color:var(--white);font-weight:700;margin-bottom:25px;position:relative}.footer-links a{color:rgba(255,255,255,0.6);display:block;margin-bottom:12px}.footer-links a:hover{color:var(--white);transform:translateX(5px)}.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:30px;margin-top:50px;font-size:0.9rem}.table-responsive-custom{display:block;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}