/* 字体、配色和玻璃质感都沿用 cards.lucabox.com 那套 —— 两个站是同一个工具的
   两块，视觉不该割裂。字体同样自托管（SIL OFL），页面运行时不向任何外部域名
   发请求：龙腾官网的实景图只做外链，不内嵌，图挂了也不会拖垮版面。 */
@font-face{
  font-family:'Bricolage Grotesque';font-style:normal;font-weight:400 800;
  font-stretch:100%;font-display:swap;src:url(fonts/bricolage-grotesque.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:'Manrope';font-style:normal;font-weight:400 800;font-display:swap;
  src:url(fonts/manrope.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

:root{
  --bg:#070912;
  --glass-fill:linear-gradient(158deg,rgba(255,255,255,.085) 0%,rgba(255,255,255,.032) 42%,rgba(255,255,255,.014) 100%);
  --glass-fill-hi:linear-gradient(158deg,rgba(255,255,255,.125) 0%,rgba(255,255,255,.05) 42%,rgba(255,255,255,.022) 100%);
  --glass-blur:blur(26px) saturate(185%);
  --glass-stroke:rgba(255,255,255,.10);
  --glass-stroke-hi:rgba(255,255,255,.19);
  --glass-shadow:inset 0 1px 0 0 rgba(255,255,255,.16),inset 0 -1px 0 0 rgba(255,255,255,.035),0 1px 2px rgba(0,0,0,.28),0 12px 34px -12px rgba(0,0,0,.62);
  --glass-shadow-hi:inset 0 1px 0 0 rgba(255,255,255,.26),0 2px 4px rgba(0,0,0,.3),0 26px 56px -16px rgba(0,0,0,.72);
  --txt:#f2f4fb; --txt-2:#a2aac9; --txt-3:#6a7295; --txt-4:#464d6b;
  --mint:#4fe3a4; --amber:#ffc45c; --violet:#8b7dff; --rose:#ff7d92; --blue:#8fb6ff;
  --disp:'Bricolage Grotesque','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
  --sans:'Manrope','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
  --r-lg:24px; --r-md:18px; --r-sm:12px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--txt);font-family:var(--sans);font-size:14px;
  -webkit-font-smoothing:antialiased;font-synthesis-weight:none;min-height:100vh;overflow-x:hidden;position:relative}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}

.amb{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.amb i{position:absolute;border-radius:50%;display:block;filter:blur(90px);opacity:.5}
.amb .a{width:52vw;height:52vw;left:-14vw;top:-18vw;background:radial-gradient(circle,#2b6cff 0%,transparent 68%)}
.amb .b{width:46vw;height:46vw;right:-12vw;top:12vh;background:radial-gradient(circle,#00c98a 0%,transparent 70%);opacity:.34}
.amb .c{width:40vw;height:40vw;left:24vw;bottom:-20vw;background:radial-gradient(circle,#7b5cff 0%,transparent 70%);opacity:.36}

/* ── shell ─────────────────────────────────────────────── */
.topbar{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:20px clamp(16px,4vw,48px);max-width:1180px;margin:0 auto}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{width:30px;height:30px;border-radius:9px;flex:none;
  background:linear-gradient(150deg,var(--mint),#2f9bd8);box-shadow:0 6px 18px -6px rgba(79,227,164,.7)}
.brand-text{font-family:var(--disp);font-weight:800;font-size:16px;letter-spacing:-.01em;display:flex;flex-direction:column;line-height:1.15}
.brand-text em{font-style:normal;font-family:var(--sans);font-weight:600;font-size:11px;color:var(--txt-3);letter-spacing:.04em}
.topbar-back{font-size:12.5px;color:var(--txt-3);padding:8px 14px;border-radius:999px;
  border:1px solid var(--glass-stroke);background:var(--glass-fill);backdrop-filter:var(--glass-blur);transition:.18s}
.topbar-back:hover{color:var(--txt);border-color:var(--glass-stroke-hi)}

.view{position:relative;z-index:1;max-width:1180px;margin:0 auto;padding:8px clamp(16px,4vw,48px) 72px}
.foot{position:relative;z-index:1;max-width:1180px;margin:0 auto;padding:0 clamp(16px,4vw,48px) 56px;
  color:var(--txt-4);font-size:11.5px;line-height:1.7;display:grid;gap:4px}

/* ── hero + search ─────────────────────────────────────── */
.hero{padding:clamp(18px,5vw,54px) 0 26px;max-width:720px}
.hero h1{font-family:var(--disp);font-weight:800;font-size:clamp(30px,5.4vw,46px);letter-spacing:-.03em;line-height:1.08}
.hero p{color:var(--txt-2);margin-top:14px;font-size:15px;line-height:1.65}
.hero .figs{display:flex;gap:26px;margin-top:22px;flex-wrap:wrap}
.fig b{font-family:var(--disp);font-size:24px;font-weight:800;display:block;letter-spacing:-.02em}
.fig span{font-size:11.5px;color:var(--txt-3);letter-spacing:.05em;text-transform:uppercase}

.searchbox{position:relative;margin:8px 0 30px}
.searchbox input{width:100%;padding:17px 20px 17px 52px;border-radius:var(--r-md);
  border:1px solid var(--glass-stroke);background:var(--glass-fill);backdrop-filter:var(--glass-blur);
  box-shadow:var(--glass-shadow);font-size:15.5px;outline:none;transition:.2s}
.searchbox input:focus{border-color:rgba(79,227,164,.55);box-shadow:var(--glass-shadow-hi),0 0 0 4px rgba(79,227,164,.1)}
.searchbox input::placeholder{color:var(--txt-4)}
.searchbox .ico{position:absolute;left:20px;top:50%;transform:translateY(-50%);color:var(--txt-3);pointer-events:none}

.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.chip{padding:7px 14px;border-radius:999px;font-size:12.5px;color:var(--txt-2);cursor:pointer;
  border:1px solid var(--glass-stroke);background:var(--glass-fill);backdrop-filter:var(--glass-blur);transition:.16s}
.chip:hover{color:var(--txt);border-color:var(--glass-stroke-hi)}
.chip[aria-pressed=true]{background:linear-gradient(150deg,rgba(79,227,164,.28),rgba(79,227,164,.1));
  border-color:rgba(79,227,164,.5);color:#dffff1}
.chip b{font-weight:700;color:var(--txt-4);margin-left:6px}
.chip[aria-pressed=true] b{color:rgba(223,255,241,.6)}

.sec-title{font-family:var(--disp);font-weight:700;font-size:13px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--txt-3);margin:30px 0 14px;display:flex;align-items:center;gap:10px}
.sec-title::after{content:'';flex:1;height:1px;background:linear-gradient(90deg,var(--glass-stroke),transparent)}

/* ── airport rows ──────────────────────────────────────── */
.ap-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(258px,1fr));gap:12px}
.ap-card{display:flex;align-items:center;gap:14px;padding:15px 17px;border-radius:var(--r-md);
  border:1px solid var(--glass-stroke);background:var(--glass-fill);backdrop-filter:var(--glass-blur);
  box-shadow:var(--glass-shadow);transition:.18s;cursor:pointer}
.ap-card:hover{transform:translateY(-2px);border-color:var(--glass-stroke-hi);background:var(--glass-fill-hi);box-shadow:var(--glass-shadow-hi)}
.ap-code{font-family:var(--disp);font-weight:800;font-size:17px;letter-spacing:.02em;
  width:52px;flex:none;text-align:center;padding:8px 0;border-radius:11px;
  background:rgba(255,255,255,.055);border:1px solid var(--glass-stroke)}
.ap-meta{min-width:0}
.ap-meta strong{display:block;font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ap-meta span{font-size:11.5px;color:var(--txt-3)}
.ap-n{margin-left:auto;flex:none;font-size:11.5px;color:var(--txt-3);text-align:right;line-height:1.35}
.ap-n b{display:block;font-family:var(--disp);font-size:17px;font-weight:800;color:var(--mint)}

/* ── airport page ──────────────────────────────────────── */
.page-head{padding:14px 0 6px}
.crumb{font-size:12px;color:var(--txt-3);margin-bottom:12px}
.crumb a:hover{color:var(--txt)}
.page-head h1{font-family:var(--disp);font-weight:800;font-size:clamp(24px,4vw,34px);letter-spacing:-.025em;
  display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.iata-badge{font-size:14px;padding:5px 11px;border-radius:10px;background:rgba(79,227,164,.16);
  border:1px solid rgba(79,227,164,.35);color:#c7ffe8;letter-spacing:.06em}
.page-head .sub{color:var(--txt-2);margin-top:9px;font-size:14px}

.gatebar{margin:22px 0 8px;padding:18px 20px;border-radius:var(--r-md);
  border:1px solid var(--glass-stroke);background:var(--glass-fill);backdrop-filter:var(--glass-blur);box-shadow:var(--glass-shadow)}
.gatebar label{display:block;font-size:12.5px;color:var(--txt-2);margin-bottom:10px}
.gatebar label b{color:var(--mint);font-weight:700}
.gate-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.gate-row input{width:150px;padding:12px 16px;border-radius:var(--r-sm);border:1px solid var(--glass-stroke);
  background:rgba(255,255,255,.05);outline:none;font-family:var(--disp);font-weight:700;font-size:17px;letter-spacing:.04em}
.gate-row input:focus{border-color:rgba(79,227,164,.55);box-shadow:0 0 0 4px rgba(79,227,164,.1)}
.gate-row .hint{font-size:12px;color:var(--txt-4);flex:1;min-width:180px;line-height:1.5}
.gate-clear{padding:9px 14px;border-radius:999px;border:1px solid var(--glass-stroke);background:transparent;
  color:var(--txt-3);font-size:12px;cursor:pointer}
.gate-clear:hover{color:var(--txt)}

/* ── lounge cards ──────────────────────────────────────── */
.l-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.l-card{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--glass-stroke);
  background:var(--glass-fill);backdrop-filter:var(--glass-blur);box-shadow:var(--glass-shadow);
  transition:.2s;cursor:pointer;display:flex;flex-direction:column;text-align:left;padding:0;width:100%}
.l-card:hover{transform:translateY(-3px);border-color:var(--glass-stroke-hi);background:var(--glass-fill-hi);box-shadow:var(--glass-shadow-hi)}
.l-card.is-match{border-color:rgba(79,227,164,.5);box-shadow:var(--glass-shadow),0 0 0 1px rgba(79,227,164,.25)}
.l-cover{position:relative;aspect-ratio:16/8;overflow:hidden;background:#0b0e1a}
.l-cover svg,.l-cover img{width:100%;height:100%;display:block;object-fit:cover}
.l-cover .tag{position:absolute;top:10px;left:10px;font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;
  padding:5px 9px;border-radius:8px;background:rgba(7,9,18,.62);backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.14);font-weight:700}
.l-cover .tag.warn{background:rgba(255,125,146,.28);border-color:rgba(255,125,146,.5);color:#ffd9df}
.l-cover .rank{position:absolute;top:10px;right:10px;font-size:10.5px;padding:5px 9px;border-radius:8px;
  background:rgba(79,227,164,.9);color:#04210f;font-weight:800;letter-spacing:.02em}
.l-body{padding:15px 17px 17px;display:flex;flex-direction:column;gap:9px;flex:1}
.l-body h3{font-size:14.5px;font-weight:700;line-height:1.35}
.l-loc{font-size:12px;color:var(--txt-3);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.badges{display:flex;gap:6px;flex-wrap:wrap;margin-top:auto;padding-top:4px}
.badge{font-size:10.5px;padding:4px 8px;border-radius:7px;border:1px solid var(--glass-stroke);
  background:rgba(255,255,255,.05);color:var(--txt-2);white-space:nowrap}
.badge.gate{background:rgba(143,182,255,.16);border-color:rgba(143,182,255,.32);color:#d6e6ff;font-weight:700}
.badge.pre{background:rgba(255,125,146,.16);border-color:rgba(255,125,146,.35);color:#ffd4dc}
.badge.post{background:rgba(79,227,164,.14);border-color:rgba(79,227,164,.3);color:#c8ffe8}
.badge.star{background:rgba(255,196,92,.14);border-color:rgba(255,196,92,.3);color:#ffe6b8}

.term-head{display:flex;align-items:baseline;gap:10px;margin:26px 0 12px}
.term-head h2{font-family:var(--disp);font-weight:800;font-size:18px;letter-spacing:-.01em}
.term-head span{font-size:12px;color:var(--txt-3)}

/* ── detail ────────────────────────────────────────────── */
.detail{max-width:760px}
.detail .l-cover{border-radius:var(--r-lg);aspect-ratio:16/6.5;margin:16px 0 22px;border:1px solid var(--glass-stroke)}
.detail h1{font-family:var(--disp);font-weight:800;font-size:clamp(22px,3.6vw,30px);letter-spacing:-.02em;line-height:1.2}
.panel{margin-top:18px;padding:20px 22px;border-radius:var(--r-md);border:1px solid var(--glass-stroke);
  background:var(--glass-fill);backdrop-filter:var(--glass-blur);box-shadow:var(--glass-shadow)}
.panel h4{font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--txt-3);margin-bottom:12px;font-weight:700}
.kv{display:grid;grid-template-columns:88px 1fr;gap:11px 16px;font-size:13.5px;line-height:1.6}
.kv dt{color:var(--txt-3);font-size:12.5px}
.kv dd{color:var(--txt)}
.tips{display:grid;gap:9px;font-size:13px;line-height:1.65;color:var(--txt-2)}
.tips li{list-style:none;padding-left:16px;position:relative}
.tips li::before{content:'';position:absolute;left:0;top:8px;width:5px;height:5px;border-radius:50%;background:var(--txt-4)}
.panel.note{border-color:rgba(255,196,92,.3);background:linear-gradient(158deg,rgba(255,196,92,.12),rgba(255,196,92,.03))}
.panel.note h4{color:var(--amber)}
.panel.warn{border-color:rgba(255,125,146,.32);background:linear-gradient(158deg,rgba(255,125,146,.12),rgba(255,125,146,.03))}
.panel.warn h4{color:var(--rose)}
.panel p{font-size:13.5px;line-height:1.7;color:var(--txt-2)}
.panel p+p{margin-top:9px}
.outlink{display:inline-flex;align-items:center;gap:7px;margin-top:14px;font-size:12.5px;color:var(--blue)}
.outlink:hover{text-decoration:underline}

.empty{padding:44px 0;color:var(--txt-3);font-size:14px;line-height:1.7}
.empty b{color:var(--txt-2)}
@media(max-width:560px){
  .kv{grid-template-columns:72px 1fr}
  .l-grid{grid-template-columns:1fr}
}

.rank.alt{background:rgba(143,182,255,.92);color:#0a1730}
.topo-note{margin-top:14px;padding-top:13px;border-top:1px solid var(--glass-stroke);
  font-size:12px;line-height:1.65;color:var(--txt-3)}
.topo-note em{font-style:normal;color:var(--amber);opacity:.85}