:root{--bg:#f5f3ef;--surface:#fbfaf7;--white:#fff;--blue:#647d91;--blue-dark:#40586b;--text:#29353d;--muted:#7b858b;--border:#e5e1da;--soft:#e9eef0;--gold:#c58b42;--danger:#b64e45}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}.container{max-width:1240px;margin:auto;padding:28px 20px 48px}.nav,.nav-right,.hero,.data-note,.board-head{display:flex;align-items:center}.nav{justify-content:space-between;gap:16px;margin-bottom:52px}.nav-right{gap:12px}.brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700}.brand-logo{display:block;width:32px;height:32px;object-fit:contain}.nav-link{border:1px solid var(--border);border-radius:9px;padding:8px 12px;color:var(--blue-dark);font-size:12px}.hero{justify-content:space-between;gap:30px;margin-bottom:24px}.kicker,.board-head p{margin:0 0 8px;color:var(--blue-dark);font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase}.hero h1{margin:0;font-size:clamp(34px,6vw,48px);letter-spacing:-.05em}.hero p:not(.kicker){max-width:720px;margin:14px 0 0;color:var(--muted);font-size:15px;line-height:1.8}.hero-scale{display:grid;flex:0 0 138px;place-items:center;padding:22px 15px;border:1px solid var(--border);border-radius:18px;background:var(--white)}.hero-scale strong{color:var(--blue-dark);font-size:30px}.hero-scale span{margin-top:4px;color:var(--muted);font-size:12px}.data-note{justify-content:space-between;gap:16px;margin-bottom:30px;padding:13px 16px;border:1px solid var(--border);border-radius:13px;background:var(--surface);color:var(--muted);font-size:12px;line-height:1.6}.page-status{margin:0;color:var(--muted);font-size:14px}.ranking-columns{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:18px}.ranking-board{overflow:hidden;border:1px solid var(--border);border-radius:20px;background:var(--surface)}.board-head{justify-content:space-between;gap:14px;padding:20px 21px;border-bottom:1px solid var(--border)}.board-head h2{margin:0;font-size:20px}.board-head>span{color:var(--muted);font-size:12px}.ranking-list{display:grid}.ranking-row{display:grid;grid-template-columns:30px 46px minmax(0,1fr) auto;align-items:center;gap:10px;min-height:84px;padding:13px 18px;border-top:1px solid var(--border)}.ranking-row:first-child{border-top:0}.airline-row{transition:background .18s}.airline-row:hover{background:var(--white)}.ranking-number{color:#9ca6ac;font-size:12px;font-variant-numeric:tabular-nums}.ranking-logo,.airport-mark{display:grid;place-items:center;width:46px;height:46px;overflow:hidden;border:1px solid var(--border);border-radius:12px;background:#fff;color:var(--blue-dark);font-size:17px;font-weight:800}.ranking-logo img{display:block;max-width:37px;max-height:37px;object-fit:contain}.airport-mark{background:var(--soft);font-size:21px}.ranking-main{min-width:0}.ranking-main strong,.ranking-main small,.ranking-main em{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ranking-main strong{font-size:14px}.ranking-main small{margin-top:3px;color:var(--muted);font-size:11px}.ranking-main em{margin-top:5px;color:var(--blue-dark);font-size:10px;font-style:normal}.ranking-score{color:var(--blue-dark);font-size:14px;font-variant-numeric:tabular-nums}.ranking-score.is-gold{color:var(--gold)}.ranking-score.is-low{color:var(--danger)}.heat-value{text-align:right}.heat-value strong,.heat-value small{display:block}.heat-value strong{color:var(--blue-dark);font-size:15px;font-variant-numeric:tabular-nums}.heat-value small{margin-top:2px;color:var(--muted);font-size:9px}.empty{margin:0;padding:34px 18px;color:var(--muted);font-size:13px;text-align:center}html[data-theme=dark]{color-scheme:dark;--bg:#10181e;--surface:#18242b;--white:#1a252c;--blue:#7898ab;--blue-dark:#c0d5e0;--text:#edf4f7;--muted:#a8bbc5;--border:#344852;--soft:#263841;--gold:#d8a55f;--danger:#e07870}@media(max-width:820px){.container{padding:22px 16px 36px}.nav{margin-bottom:38px}.hero{align-items:flex-start}.hero-scale{display:none}.data-note{align-items:flex-start;flex-direction:column;gap:4px}.ranking-columns{grid-template-columns:1fr}}@media(max-width:480px){.ranking-row{grid-template-columns:24px 40px minmax(0,1fr) auto;padding:12px 13px}.ranking-logo,.airport-mark{width:40px;height:40px}.ranking-logo img{max-width:32px;max-height:32px}.ranking-main em{white-space:normal;line-height:1.4}}