/* 寰球比价 PriceAtlas · 视觉基准延续 v2 轨道（暗色×青，支持白天/黑夜） */
:root{
  --bg:#0B1220; --panel:#111A2C; --elevated:#16213A; --border:#1E2A44;
  --cyan:#22D3EE; --green:#34D399; --red:#F87171;
  --text:#E6EDF7; --muted:#8CA0BF; --navbg:rgba(11,18,32,.88);
  --mono:ui-monospace,"SF Mono",Consolas,monospace;
}
html[data-theme="light"]{
  --bg:#F3F6FB; --panel:#FFFFFF; --elevated:#E9EFF8; --border:#D8E1EE;
  --cyan:#0891B2; --green:#059669; --red:#DC2626;
  --text:#14213A; --muted:#5A6B85; --navbg:rgba(243,246,251,.92);
}
*{margin:0;padding:0;box-sizing:border-box}
body{
  background:var(--bg);color:var(--text);
  font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased;
  transition:background-color .25s,color .25s;
  display:flex;min-height:100vh;flex-direction:column;
}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px;width:100%}

.nav{position:sticky;top:0;z-index:50;background:var(--navbg);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;height:60px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16.5px;letter-spacing:-.02em}
.logo b{color:var(--cyan)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.updated{font-size:11.5px;color:var(--muted)}
.theme-toggle{
  background:none;border:1px solid var(--border);border-radius:8px;width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;color:var(--muted);cursor:pointer;
  transition:color .15s,border-color .15s;
}
.theme-toggle:hover{color:var(--cyan);border-color:var(--cyan)}
.theme-toggle .icon-moon{display:none}
html[data-theme="light"] .theme-toggle .icon-sun{display:none}
html[data-theme="light"] .theme-toggle .icon-moon{display:block}
html[data-theme="light"] svg [stroke="#22D3EE"]{stroke:#0891B2}

.main{flex:1;padding-bottom:56px}
.nav-link{font-size:13.5px;color:var(--muted);transition:color .15s}
.nav-link:hover{color:var(--cyan)}
.cat-tabs{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:22px}
.cat-tab{font-size:13.5px;padding:7px 18px;border:1px solid var(--border);border-radius:999px;color:var(--muted);transition:all .15s}
.cat-tab:hover{border-color:var(--cyan);color:var(--cyan)}
.cat-tab.on{background:var(--cyan);color:#06222B;border-color:var(--cyan);font-weight:600}
html[data-theme="light"] .cat-tab.on{color:#fff}
.cat-tab.an{margin-left:10px}
@media (max-width:800px){.an-grid{grid-template-columns:1fr !important}}
.hero{padding:52px 0 34px;text-align:center}
.hero h1{font-size:clamp(26px,4.6vw,40px);font-weight:800;letter-spacing:-.02em;line-height:1.2}
.hero h1 em{font-style:normal;color:var(--cyan)}
.hero .sub{color:var(--muted);margin-top:10px;font-size:15.5px}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.card{
  background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:20px;
  display:flex;flex-direction:column;gap:8px;transition:border-color .2s,transform .2s;
}
.card:hover{border-color:rgba(34,211,238,.55);transform:translateY(-2px)}
.card-top{display:flex;align-items:center;gap:10px}
.card-name{font-size:17px;font-weight:700;letter-spacing:-.01em}
.card-cat{
  margin-left:auto;font-size:11px;color:var(--muted);font-family:var(--mono);
  border:1px solid var(--border);border-radius:999px;padding:1px 9px;
}
.card-plan{font-size:12px;color:var(--cyan)}
.card-cheap{display:flex;align-items:center;gap:7px;flex-wrap:wrap;font-size:13.5px}
.card-cheap b{font-size:19px;color:var(--text)}
.card-cheap .permo{color:var(--muted);font-size:12px}
.card-cheap.muted{color:var(--muted)}
.save{color:var(--green);font-size:12px;border:1px solid rgba(52,211,153,.35);border-radius:999px;padding:1px 8px;background:rgba(52,211,153,.07)}
.card-us{font-size:12px;color:var(--muted)}
.card-go{margin-top:auto;padding-top:8px;font-size:13px;color:var(--cyan)}
.flag{font-size:17px}

.phead{padding:36px 0 18px}
.back{font-size:13px;color:var(--muted)}
.back:hover{color:var(--cyan)}
.phead h1{font-size:clamp(22px,4vw,32px);font-weight:800;letter-spacing:-.02em;margin-top:8px}
.pcat{font-size:12px;color:var(--muted);font-family:var(--mono);border:1px solid var(--border);border-radius:999px;padding:2px 10px;vertical-align:middle;margin-left:8px}
.plans{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.plan-chip{
  font-size:13px;padding:6px 14px;border:1px solid var(--border);border-radius:999px;color:var(--muted);
  transition:all .15s;
}
.plan-chip:hover{border-color:var(--cyan);color:var(--cyan)}
.plan-chip.on{background:var(--cyan);color:#06222B;border-color:var(--cyan);font-weight:600}
html[data-theme="light"] .plan-chip.on{color:#fff}

.rank-card{background:var(--panel);border:1px solid var(--border);border-radius:10px;overflow:hidden}
.rank-head{padding:14px 18px;border-bottom:1px solid var(--border);font-size:13.5px;font-weight:700}
.table-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;table-layout:auto;white-space:nowrap}
th,td{padding:11px 18px;text-align:left;border-bottom:1px solid var(--border)}
th{font-size:11.5px;font-weight:600;color:var(--muted);letter-spacing:.06em;background:var(--elevated)}
td{font-size:13.5px}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:rgba(34,211,238,.045)}
td.num,th.num-h{text-align:right}
td:nth-child(2),th:nth-child(2){text-align:left}
.rank-n{color:var(--muted)}
.usd{font-weight:700}
.cc{font-size:11px;color:var(--muted);margin-left:4px}
.good{color:var(--green)}
.bad{color:var(--red)}
.usrow{background:rgba(34,211,238,.06)}
.base-tag{
  font-size:10.5px;color:var(--cyan);border:1px solid rgba(34,211,238,.4);border-radius:4px;
  padding:0 5px;margin-left:8px;font-family:var(--mono);
}
.empty{text-align:center;color:var(--muted);padding:40px 18px}
.rank-note{padding:12px 18px;font-size:11.5px;color:var(--muted);border-top:1px solid var(--border)}

.footer{border-top:1px solid var(--border);padding:22px 0 30px;font-size:12px;color:var(--muted);text-align:center;line-height:2}

@media (max-width:640px){
  .updated{display:none}
  .hero{padding:36px 0 24px}
  th,td{padding:9px 12px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}