/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#10b981;--primary-dark:#059669;--primary-light:#d1fae5;
  --accent:#f59e0b;--accent-dark:#d97706;
  --dark:#0f172a;--dark2:#1e293b;--dark3:#334155;
  --light:#f8fafc;--gray:#94a3b8;--border:#334155;
  --radius:12px;--shadow:0 4px 24px rgba(0,0,0,.4);
  --transition:.3s ease;
}
html{scroll-behavior:smooth}
body{font-family:'PingFang SC','Microsoft YaHei',Arial,sans-serif;background:var(--dark);color:#e2e8f0;line-height:1.6;font-size:16px}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 16px}

/* ===== HEADER ===== */
.site-header{position:sticky;top:0;z-index:100;background:rgba(15,23,42,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:0}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-size:1.4rem;font-weight:700;color:var(--primary);display:flex;align-items:center;gap:6px}
.logo span{font-size:1.6rem}
.main-nav{display:flex;gap:4px}
.main-nav a{padding:8px 14px;border-radius:8px;font-size:.9rem;color:#94a3b8;transition:var(--transition)}
.main-nav a:hover,.main-nav a.active{color:#fff;background:var(--dark3)}
.header-actions{display:flex;align-items:center;gap:12px}
.live-badge{background:#ef4444;color:#fff;font-size:.75rem;font-weight:700;padding:3px 10px;border-radius:20px;animation:pulse-red 2s infinite}
@keyframes pulse-red{0%,100%{opacity:1}50%{opacity:.6}}
.date-tag{font-size:.8rem;color:var(--gray)}

/* ===== HERO ===== */
.hero-section{background:linear-gradient(135deg,var(--dark) 0%,#0d3a2e 50%,var(--dark) 100%);padding:60px 0 40px;border-bottom:1px solid var(--border);position:relative;overflow:hidden}
.hero-section::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2310b981' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");opacity:.5}
.hero-content{position:relative;text-align:center;max-width:700px;margin:0 auto}
.hero-content h1{font-size:2.6rem;font-weight:800;color:#fff;margin-bottom:12px;background:linear-gradient(135deg,#fff,#10b981);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{font-size:1.1rem;color:var(--gray);margin-bottom:32px}
.hero-stats{display:flex;justify-content:center;gap:40px;margin-bottom:28px}
.stat-item{text-align:center}
.stat-num{font-size:2rem;font-weight:800;color:var(--primary);display:block}
.stat-label{font-size:.8rem;color:var(--gray)}
.hero-search{display:flex;max-width:480px;margin:0 auto;gap:0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}
.search-input{flex:1;padding:12px 16px;background:var(--dark2);border:none;color:#fff;font-size:.95rem;outline:none}
.search-btn{padding:12px 24px;background:var(--primary);color:#fff;font-weight:600;border:none;cursor:pointer;transition:var(--transition);font-size:.95rem}
.search-btn:hover{background:var(--primary-dark)}

/* ===== SECTION COMMON ===== */
.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.section-header h2{font-size:1.5rem;font-weight:700;color:#fff}
.more-link{color:var(--primary);font-size:.9rem}
.more-link:hover{text-decoration:underline}
.section-title{font-size:1.4rem;font-weight:700;color:#fff;margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid var(--primary)}

/* ===== MATCHES ===== */
.live-matches-section{padding:48px 0;background:var(--dark2)}
.filter-tabs{display:flex;gap:8px}
.tab{padding:6px 16px;border-radius:20px;font-size:.85rem;background:var(--dark3);color:var(--gray);border:none;cursor:pointer;transition:var(--transition)}
.tab.active,.tab:hover{background:var(--primary);color:#fff}
.matches-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;margin-top:20px}
.match-card{background:var(--dark);border-radius:var(--radius);padding:18px;border:1px solid var(--border);transition:var(--transition);position:relative;overflow:hidden}
.match-card:hover{transform:translateY(-3px);border-color:var(--primary);box-shadow:var(--shadow)}
.match-card.live{border-color:#ef4444}
.match-status{font-size:.75rem;font-weight:600;margin-bottom:12px;display:flex;align-items:center;gap:6px}
.match-status:has(🔴){color:#ef4444}
.match-teams{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.team{display:flex;flex-direction:column;align-items:center;gap:6px;flex:1}
.team-logo{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.3rem;background:var(--dark3)}
.team span{font-size:.85rem;font-weight:600;color:#fff;text-align:center}
.match-score{display:flex;align-items:center;gap:8px;flex-direction:column}
.score{font-size:1.8rem;font-weight:800;color:#fff}
.score-divider{font-size:1.2rem;color:var(--gray)}
.vs{font-size:1rem;font-weight:700;color:var(--accent)}
.match-time{font-size:.7rem;color:var(--primary);font-weight:600}
.match-info{display:flex;flex-direction:column;gap:4px;margin-bottom:14px;padding-top:12px;border-top:1px solid var(--border)}
.league{font-size:.78rem;color:var(--gray)}
.odds{font-size:.8rem;color:var(--accent)}
.odds b{color:var(--accent)}
.bet-btn{width:100%;padding:10px;background:var(--primary);color:#fff;font-weight:700;border:none;border-radius:8px;cursor:pointer;transition:var(--transition);font-size:.9rem}
.bet-btn:hover{background:var(--primary-dark);transform:scale(1.02)}

/* ===== NEWS ===== */
.news-section{padding:48px 0}
.news-layout{display:grid;grid-template-columns:1fr 320px;gap:32px}
.news-list{display:flex;flex-direction:column;gap:16px}
.news-item{display:flex;gap:16px;background:var(--dark2);border-radius:var(--radius);padding:18px;border:1px solid var(--border);transition:var(--transition)}
.news-item:hover{border-color:var(--primary)}
.news-img{width:100px;height:100px;background:var(--dark3);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:2.5rem;flex-shrink:0}
.news-body{flex:1}
.news-tag{display:inline-block;font-size:.7rem;font-weight:700;padding:2px 8px;border-radius:4px;margin-bottom:6px}
.tag-hot{background:#ef444422;color:#ef4444}
.tag-nba{background:#3b82f622;color:#60a5fa}
.tag-expert{background:var(--primary-light);color:var(--primary-dark)}
.news-body h3{font-size:1rem;font-weight:700;margin-bottom:6px;color:#fff;line-height:1.4}
.news-body h3 a:hover{color:var(--primary)}
.news-body p{font-size:.82rem;color:var(--gray);margin-bottom:8px;line-height:1.5}
.news-meta{display:flex;gap:16px;font-size:.75rem;color:var(--gray)}
.news-meta span{display:flex;align-items:center;gap:4px}
.sidebar-card{background:var(--dark2);border-radius:var(--radius);padding:18px;border:1px solid var(--border);margin-bottom:16px}
.sidebar-card h3{font-size:.95rem;font-weight:700;margin-bottom:12px;color:#fff;padding-bottom:8px;border-bottom:1px solid var(--border)}
.quick-score{display:flex;flex-direction:column;gap:8px}
.qs-item{display:flex;justify-content:space-between;align-items:center;font-size:.82rem;color:#e2e8f0;padding:6px 0;border-bottom:1px solid var(--dark3)}
.qs-item:last-child{border:none}
.live-dot{color:#ef4444}
.ranking-table{display:flex;flex-direction:column;gap:4px}
.rank-row{display:flex;justify-content:space-between;font-size:.8rem;padding:6px 8px;border-radius:6px;color:#94a3b8}
.rank-row.header{background:var(--dark3);font-weight:700;color:#fff}
.rank-row span:last-child{color:var(--primary);font-weight:600}
.hot-topics ul{display:flex;flex-direction:column;gap:8px}
.hot-topics li a{display:block;font-size:.82rem;color:#94a3b8;padding:6px 0;border-bottom:1px solid var(--dark3);transition:var(--transition);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hot-topics li a:hover{color:var(--primary)}

/* ===== EXPERTS ===== */
.experts-section{padding:48px 0;background:var(--dark2)}
.experts-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.expert-card{background:var(--dark);border-radius:var(--radius);padding:20px;border:1px solid var(--border);display:flex;gap:14px;transition:var(--transition)}
.expert-card:hover{border-color:var(--primary);transform:translateY(-2px)}
.expert-avatar{width:56px;height:56px;border-radius:50%;background:var(--dark3);display:flex;align-items:center;justify-content:center;font-size:1.8rem;flex-shrink:0}
.expert-info{flex:1}
.expert-info h4{font-size:.95rem;font-weight:700;margin-bottom:4px;color:#fff}
.expert-stats{display:flex;gap:10px;margin-bottom:8px}
.expert-stats span{font-size:.75rem;color:var(--gray)}
.stat-win{color:var(--primary);font-weight:700}
.expert-pick{font-size:.85rem;color:var(--accent);margin-bottom:4px}
.expert-reason{font-size:.78rem;color:var(--gray);line-height:1.4}

/* ===== FEATURES ===== */
.features-section{padding:48px 0}
.features-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.feature-card{background:var(--dark2);border-radius:var(--radius);padding:28px;border:1px solid var(--border);text-align:center;transition:var(--transition)}
.feature-card:hover{border-color:var(--primary);transform:translateY(-3px)}
.feature-icon{font-size:2.4rem;margin-bottom:14px}
.feature-card h3{font-size:1.05rem;font-weight:700;margin-bottom:8px;color:#fff}
.feature-card p{font-size:.82rem;color:var(--gray);line-height:1.6}

/* ===== FOOTER ===== */
.site-footer{background:var(--dark);border-top:1px solid var(--border);padding:40px 0 20px}
.footer-links{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:24px;margin-bottom:28px}
.footer-col h4{font-size:.9rem;font-weight:700;margin-bottom:12px;color:#fff}
.footer-col a,.footer-col p{display:block;font-size:.82rem;color:var(--gray);margin-bottom:6px}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid var(--border)}
.footer-bottom p{font-size:.78rem;color:var(--gray);margin-bottom:4px}
.footer-bottom a{color:var(--primary)}
.disclaimer{color:#ef4444!important;font-size:.75rem!important}

/* ===== RESPONSIVE ===== */
@media(max-width:768px){
  .main-nav{display:none}
  .hero-stats{gap:20px}
  .hero-content h1{font-size:1.8rem}
  .news-layout{grid-template-columns:1fr}
  .matches-grid{grid-template-columns:1fr}
  .experts-grid{grid-template-columns:1fr}
  .hero-search{flex-direction:column}
}