/* ═══════════════ ZONE 1: RESET ═══════════════ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

/* ═══════════════ ZONE 2: CSS VARIABLES ═══════════════ */
:root{
  --bg:#0a0a0a;--card-bg:#1a1a2e;--text:#d1d5db;--text-muted:#888;
  --border:#1a1a2e;--sport-accent:#22c55e;--sport-accent-rgb:34,197,94;
  --cta-text:#000;--max-width:860px;
}
body.sport-football{--sport-accent:#00e676;--sport-accent-rgb:0,230,118}
body.sport-basketball{--sport-accent:#ff9100;--sport-accent-rgb:255,145,0}
body.sport-nfl{--sport-accent:#ef5350;--sport-accent-rgb:239,83,80}
body.sport-baseball{--sport-accent:#42a5f5;--sport-accent-rgb:66,165,245}
body.sport-hockey{--sport-accent:#78909c;--sport-accent-rgb:120,144,156}
body.sport-mma{--sport-accent:#ff1744;--sport-accent-rgb:255,23,68}
body.sport-f1{--sport-accent:#e53935;--sport-accent-rgb:229,57,53}
body.sport-tennis{--sport-accent:#ffd600;--sport-accent-rgb:255,214,0}
body.sport-cricket{--sport-accent:#1e88e5;--sport-accent-rgb:30,136,229}

/* ═══════════════ ZONE 3: BASE & TYPOGRAPHY ═══════════════ */
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  line-height:1.7;max-width:var(--max-width);margin:0 auto;padding:20px;
  color:var(--text);background:var(--bg)}
h1{font-size:2em;color:#fff;line-height:1.3;margin-bottom:.3em}
h2{font-size:1.3em;margin:2em 0 .5em;border-bottom:2px solid var(--border);
  padding-bottom:8px;color:#e0e0e0}
h3{font-size:1.05em;color:#ccc;margin-top:1.2em}
a{color:var(--sport-accent);text-decoration:none}
a:hover{text-decoration:underline}

/* ═══════════════ ZONE 3b: MATCH INFO BAR ═══════════════ */
.match-info-bar{display:flex;flex-wrap:wrap;gap:10px 24px;color:var(--text-muted);
  font-size:.88em;margin:12px 0;padding:8px 0}
.match-info-bar span{white-space:nowrap}
.match-info-bar .icon{color:var(--sport-accent)}

/* ═══════════════ ZONE 4: NAVIGATION ═══════════════ */
nav{padding:12px 0;border-bottom:1px solid var(--border);margin-bottom:16px;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap}
.nav-logo{color:#fff;font-size:1.2em;font-weight:bold;text-decoration:none}
.nav-logo span{color:var(--sport-accent)}
.sport-tabs{display:flex;gap:10px;overflow-x:auto;font-size:.82em;
  padding:8px 0;-webkit-overflow-scrolling:touch}
.sport-tabs a{color:var(--text-muted);text-decoration:none;white-space:nowrap;
  padding:4px 10px;border-radius:14px;transition:all .2s}
.sport-tabs a:hover,.sport-tabs a.active{color:var(--sport-accent);
  background:rgba(var(--sport-accent-rgb),.1)}
.breadcrumb{color:#555;font-size:.78em;margin:8px 0}
.breadcrumb a{color:var(--sport-accent)}

/* ═══════════════ ZONE 5: HOMEPAGE / SPORT INDEX ═══════════════ */
.hero{padding:24px 0 16px;text-align:center}
.hero h1{font-size:2.2em}
.hero .tagline{color:var(--text-muted);font-size:1.05em;margin-top:8px}
.sport-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));
  gap:14px;margin:24px 0}
.sport-card{background:var(--card-bg);border-radius:12px;padding:20px;
  border:1px solid transparent;transition:border-color .2s,transform .2s}
.sport-card:hover{border-color:var(--sport-accent);transform:translateY(-2px)}
.sport-card .emoji{font-size:2em;margin-bottom:8px}
.sport-card h3{margin:0;font-size:1.05em;color:#fff}
.sport-card .count{color:var(--text-muted);font-size:.82em;margin-top:4px}
.trending-scroll{display:flex;gap:12px;overflow-x:auto;padding:12px 0;
  -webkit-overflow-scrolling:touch}
.trending-card{background:var(--card-bg);border-radius:10px;padding:14px;
  min-width:180px;flex-shrink:0;border:1px solid transparent;
  transition:border-color .2s}
.trending-card:hover{border-color:var(--sport-accent)}
.trending-card .teams{font-weight:600;color:#fff;font-size:.92em}
.trending-card .score{color:var(--sport-accent);font-weight:bold;font-size:1.1em;margin:4px 0}
.trending-card .meta{color:var(--text-muted);font-size:.78em}
.league-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
  gap:14px;margin:16px 0}
.league-card{background:var(--card-bg);border-radius:12px;padding:18px;
  border:1px solid transparent;transition:border-color .2s,transform .2s}
.league-card:hover{border-color:var(--sport-accent);transform:translateY(-2px)}
.league-card .league-name{color:#fff;font-weight:600;font-size:1em}
.league-card .match-count{color:var(--text-muted);font-size:.82em;margin-top:4px}
.league-card .arrow{color:var(--sport-accent);float:right;font-weight:bold}

/* ═══════════════ ZONE 6: LEAGUE HUB ═══════════════ */
.match-list{display:flex;flex-direction:column;gap:10px;margin:16px 0}
.match-row{background:var(--card-bg);border-radius:10px;padding:14px 18px;
  display:flex;justify-content:space-between;align-items:center;
  border:1px solid transparent;transition:border-color .2s}
.match-row:hover{border-color:var(--sport-accent)}
.match-row .teams{font-weight:600;color:#fff}
.match-row .info{color:var(--text-muted);font-size:.82em}
.match-row .action{font-size:.85em;font-weight:600;color:var(--sport-accent)}
.match-row .result{color:var(--text-muted);font-size:.88em}
.standings-table{width:100%;border-collapse:collapse;margin:16px 0;font-size:.9em}
.standings-table th{background:var(--card-bg);padding:8px 12px;text-align:left;
  color:#ccc;font-size:.82em;font-weight:600}
.standings-table td{padding:8px 12px;border-bottom:1px solid var(--border)}
.standings-table .pos{color:var(--sport-accent);font-weight:bold;width:30px}
.standings-table .team{color:#fff;font-weight:500}

/* ═══════════════ ZONE 7: MATCH CARDS & SCOREBOARD ═══════════════ */
.prediction-box{background:rgba(var(--sport-accent-rgb),.08);
  border:1px solid rgba(var(--sport-accent-rgb),.3);border-radius:14px;
  padding:20px;margin:20px 0;text-align:center}
.prediction-box .vs-display{display:flex;justify-content:center;align-items:center;gap:16px;
  margin-bottom:12px}
.prediction-box .team-block{text-align:center}
.prediction-box .team-block img{width:64px;height:64px;object-fit:contain;margin-bottom:6px}
.prediction-box .team-block .team-name{color:#fff;font-weight:600;font-size:.95em}
.prediction-box .vs{color:var(--sport-accent);font-weight:bold;font-size:1.1em}
.prediction-box .pick{font-size:1.3em;color:#fff;font-weight:bold;margin-top:8px}
.prediction-box .key-factor{color:var(--text-muted);font-size:.85em;margin-top:6px}
.scoreboard{background:var(--card-bg);border-radius:16px;padding:24px;
  margin:20px 0;text-align:center}
.scoreboard .teams{display:flex;justify-content:center;align-items:center;gap:20px}
.scoreboard .team-block img{width:56px;height:56px;object-fit:contain;margin-bottom:6px}
.scoreboard .team-block .team-name{color:#fff;font-weight:600;font-size:.95em}
.scoreboard .score{font-size:2.6em;font-weight:bold;color:#fff}
.scoreboard .ht{color:var(--text-muted);font-size:.85em;margin-top:8px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:16px 0}
.form-card{background:var(--card-bg);border-radius:10px;padding:16px}
.form-card h4{margin:0 0 4px;color:#fff}
.form-card .form-str{font-size:1.3em;letter-spacing:4px;margin:8px 0}
.form-card .form-str .w{color:#4caf50}.form-card .form-str .d{color:#ff9800}
.form-card .form-str .l{color:#f44336}
.form-card .form-stats{color:var(--text-muted);font-size:.82em}
.key-players-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));
  gap:10px;margin:16px 0}
.key-player-card{background:var(--card-bg);border-radius:10px;padding:14px}
.key-player-card .name{font-weight:600;color:#fff}
.key-player-card .stat{color:var(--sport-accent);font-size:.88em;margin-top:4px}
.lineup-box{background:var(--card-bg);border-radius:10px;padding:16px;margin:12px 0}
.lineup-box h4{color:#fff;margin-bottom:6px}
.lineup-box .players{color:var(--text);font-size:.9em;line-height:1.8}
.lineup-box .absent{color:#f44336;font-size:.82em;margin-top:6px}
.summary-text{color:var(--text);line-height:1.8;margin:12px 0}
.summary-text p{margin-bottom:12px}

/* ═══════════════ ZONE 8: STATS TABLES ═══════════════ */
.stats-table{width:100%;border-collapse:collapse;margin:16px 0}
.stats-table th{background:var(--card-bg);padding:10px 14px;text-align:left;
  color:#ccc;font-size:.85em;font-weight:600}
.stats-table td{padding:10px 14px;border-bottom:1px solid var(--border);
  font-size:.92em}
.stats-table .highlight{color:var(--sport-accent);font-weight:bold}
.timeline{list-style:none;padding:0;margin:16px 0}
.timeline li{padding:8px 0 8px 24px;border-left:2px solid var(--sport-accent);
  margin-left:8px;position:relative;color:#ccc}
.timeline li::before{content:'';position:absolute;left:-6px;top:14px;
  width:10px;height:10px;background:var(--sport-accent);border-radius:50%}
.timeline .time{color:var(--sport-accent);font-weight:600;margin-right:8px}
.player-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));
  gap:10px;margin:16px 0}
.player-card{background:var(--card-bg);border-radius:10px;padding:14px}
.player-card .name{font-weight:600;color:#fff}
.player-card .stat{color:var(--sport-accent);font-size:.9em;margin-top:4px}
.what-this-means{background:rgba(var(--sport-accent-rgb),.06);
  border-left:3px solid var(--sport-accent);padding:14px 18px;
  border-radius:0 8px 8px 0;margin:16px 0;color:var(--text)}

/* ═══════════════ ZONE 9: CTA, FAQ, CROSS-LINKS ═══════════════ */
.cta-box{background:linear-gradient(135deg,var(--card-bg),rgba(var(--sport-accent-rgb),.12));
  border:1px solid var(--sport-accent);border-radius:14px;padding:22px;
  text-align:center;margin:28px 0}
.cta-box .cta-title{color:#ccc;margin-bottom:10px;font-size:1.05em}
.cta-btn{display:inline-block;background:var(--sport-accent);color:var(--cta-text);
  font-weight:bold;padding:13px 36px;border-radius:8px;text-decoration:none;
  font-size:1em;transition:transform .2s,box-shadow .2s}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 4px 20px rgba(var(--sport-accent-rgb),.4);
  text-decoration:none}
.faq{margin:20px 0}
.faq dt{font-weight:bold;color:var(--sport-accent);margin-top:14px;font-size:.95em}
.faq dd{margin-left:0;color:var(--text-muted);margin-bottom:8px;font-size:.9em}
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));
  gap:10px;margin:16px 0}
.related-card{background:var(--card-bg);border-radius:8px;padding:12px;font-size:.9em;
  border:1px solid transparent;transition:border-color .2s}
.related-card:hover{border-color:var(--sport-accent)}
.related-card .rel-type{color:var(--sport-accent);font-size:.78em;font-weight:600}
.related-card .rel-title{color:#fff;font-size:.92em;margin-top:2px}
.cross-links{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:14px 0}
.cross-links a{background:var(--card-bg);padding:7px 14px;border-radius:16px;
  color:var(--text-muted);font-size:.82em;transition:all .2s}
.cross-links a:hover{color:var(--sport-accent);background:#222;text-decoration:none}

/* ═══════════════ ZONE 10: FOOTER ═══════════════ */
footer{text-align:center;padding:20px;color:#555;font-size:.78em;
  margin-top:40px;border-top:1px solid var(--border)}
footer a{color:var(--sport-accent)}

/* ═══════════════ ZONE 11: RESPONSIVE — 平板 ≤768px ═══════════════ */
@media(max-width:768px){
  body{padding:12px}
  h1{font-size:1.5em}
  .hero h1{font-size:1.7em}
  .sport-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .league-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .form-grid{grid-template-columns:1fr}
  .scoreboard .score{font-size:2em}
  .scoreboard .teams{gap:12px}
  .stats-table{font-size:.82em;display:block;overflow-x:auto}
  .player-grid{grid-template-columns:1fr 1fr}
  .key-players-grid{grid-template-columns:1fr 1fr}
  nav{flex-direction:column;align-items:flex-start;gap:8px}
  .sport-tabs{width:100%;padding-bottom:4px}
  .prediction-box .vs-display{flex-direction:column;gap:8px}
  .match-info-bar{gap:6px 16px;font-size:.82em}
}

/* ═══════════════ ZONE 12: RESPONSIVE — 手机 ≤480px ═══════════════ */
@media(max-width:480px){
  body{padding:10px}
  h1{font-size:1.3em}
  .hero h1{font-size:1.4em}
  .sport-grid{grid-template-columns:1fr}
  .league-grid{grid-template-columns:1fr}
  .scoreboard .score{font-size:1.6em}
  .scoreboard .teams{flex-direction:column;gap:8px}
  .player-grid{grid-template-columns:1fr}
  .key-players-grid{grid-template-columns:1fr}
  .match-row{flex-direction:column;gap:6px;align-items:flex-start}
  .related-grid{grid-template-columns:1fr}
  .cta-btn{padding:12px 28px;font-size:.95em}
  .prediction-box{padding:14px}
  .form-grid{grid-template-columns:1fr}
  .standings-table{font-size:.78em}
}