:root{
  --bg:#000;
  --panel:rgba(28,28,30,.72);
  --panel-2:rgba(44,44,46,.6);
  --line:rgba(255,255,255,.09);
  --line-soft:rgba(255,255,255,.06);
  --text:#f5f5f7;
  --muted:#a1a1a6;
  --muted-2:#6e6e73;
  --accent:#0a84ff;
  --accent-hover:#2b95ff;
  --accent-2:#30d158;
  --danger:#ff453a;
  --ease:cubic-bezier(.22,1,.36,1);
  --spring:cubic-bezier(.34,1.4,.64,1);
  --shadow:0 24px 80px rgba(0,0,0,.55);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font:14px/1.6 -apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  letter-spacing:-.006em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:rgba(10,132,255,.35)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:10px;border:3px solid transparent;background-clip:content-box}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.22);background-clip:content-box}

.ambient{position:fixed;pointer-events:none;z-index:0;opacity:.9}
.ambient-a{width:900px;height:900px;left:-320px;top:-380px;
  background:radial-gradient(circle,rgba(10,132,255,.16) 0%,rgba(10,132,255,.06) 42%,transparent 70%)}
.ambient-b{width:1000px;height:1000px;right:-420px;bottom:-460px;
  background:radial-gradient(circle,rgba(48,209,88,.08) 0%,rgba(48,209,88,.03) 45%,transparent 72%)}

.topbar{
  position:sticky;top:0;z-index:30;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:13px clamp(18px,4vw,48px);
  background:rgba(6,6,8,.86);
  border-bottom:1px solid var(--line-soft);
  animation:fadeDown .7s var(--ease) both;
}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.logo{
  width:40px;height:40px;border-radius:11px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.10);
  color:#fff;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.10);
  transition:transform .3s var(--ease),background .3s;
}
.logo svg{width:20px;height:20px}
.logo:hover{transform:scale(1.04);background:rgba(255,255,255,.12)}
.brand-text h1{margin:0;font-size:19px;font-weight:600;letter-spacing:-.025em;line-height:1.2}
.brand-text p{margin:2px 0 0;color:var(--muted-2);font-size:11.5px;letter-spacing:0}

.conn{
  display:flex;align-items:center;gap:8px;
  padding:8px 13px;border-radius:999px;
  background:rgba(28,28,30,.6);border:1px solid var(--line);
  color:var(--muted);font-size:12px;
  transition:border-color .3s,color .3s;
}
.conn:hover{border-color:rgba(255,255,255,.16)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--muted-2);transition:background .3s,box-shadow .3s}
.dot.on{background:var(--accent-2);box-shadow:0 0 0 4px rgba(48,209,88,.13);animation:pulse 2.8s ease-in-out infinite}
.dot.off{background:var(--danger);box-shadow:0 0 0 4px rgba(255,69,58,.12)}

.shell{
  position:relative;z-index:1;
  max-width:1360px;margin:0 auto;
  display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);
  gap:18px;padding:24px clamp(18px,4vw,48px) 48px;
  align-items:start;
}
.col{display:flex;flex-direction:column;gap:16px;min-width:0}

.card{
  background:rgba(26,26,28,.92);
  border:1px solid var(--line);
  border-radius:24px;
  box-shadow:var(--shadow);
  animation:rise .75s var(--ease) both;
  transition:border-color .35s var(--ease),background .35s var(--ease);
}
.card:hover{border-color:rgba(255,255,255,.13)}
.col > .card:nth-child(1){animation-delay:.04s}
.col > .card:nth-child(2){animation-delay:.10s}

.composer{padding:22px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.card-head h2{margin:0;font-size:15px;font-weight:600;letter-spacing:-.012em}
.text-btn{
  background:none;border:0;color:var(--accent);cursor:pointer;
  font:500 12.5px/1 inherit;padding:6px 8px;border-radius:8px;
  transition:background .2s,color .2s;
}
.text-btn:hover{background:rgba(10,132,255,.10);color:var(--accent-hover)}

.segmented{
  position:relative;display:grid;grid-template-columns:1fr 1fr;
  background:rgba(118,118,128,.14);
  border-radius:12px;padding:3px;margin-bottom:16px;
}
.seg-pill{
  position:absolute;top:3px;left:3px;
  width:calc(50% - 3px);height:calc(100% - 6px);
  border-radius:9px;
  background:rgba(255,255,255,.12);
  box-shadow:0 1px 4px rgba(0,0,0,.22),inset 0 .5px 0 rgba(255,255,255,.12);
  transition:transform .5s var(--ease);
}
.seg{
  position:relative;z-index:1;background:none;border:0;
  color:var(--muted);font:500 13px/1 inherit;
  padding:10px 0;border-radius:9px;cursor:pointer;
  transition:color .3s var(--ease);
}
.seg.active{color:var(--text)}
.seg:focus-visible{outline:2px solid rgba(10,132,255,.55);outline-offset:2px}

.panes{min-height:318px}
.pane{display:none}
.pane.active{display:block;animation:paneIn .42s var(--ease) both}

textarea{
  width:100%;min-height:168px;resize:vertical;
  background:rgba(118,118,128,.12);
  border:1px solid transparent;border-radius:13px;
  color:var(--text);padding:14px 16px;font:13.5px/1.75 inherit;
  outline:none;
  transition:background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s;
}
textarea.small{min-height:84px}
textarea::placeholder{color:#5c5c61}
textarea:hover{background:rgba(118,118,128,.16)}
textarea:focus{background:rgba(118,118,128,.18);box-shadow:0 0 0 3px rgba(10,132,255,.28);border-color:rgba(10,132,255,.35)}

.drop{
  position:relative;margin-top:12px;
  border:1.5px dashed rgba(255,255,255,.14);border-radius:14px;
  background:rgba(118,118,128,.05);
  transition:border-color .3s var(--ease),background .3s var(--ease),transform .2s var(--ease);
  cursor:pointer;
}
.drop:hover,.drop.over{border-color:rgba(10,132,255,.55);background:rgba(10,132,255,.075)}
.drop.over{transform:scale(1.004)}
.drop input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}
.drop-inner{display:flex;flex-direction:column;align-items:center;gap:5px;padding:22px 16px;text-align:center;pointer-events:none}
.drop.small .drop-inner{padding:14px 16px}
.drop-inner svg{width:22px;height:22px;stroke:var(--muted-2);margin-bottom:2px;transition:stroke .25s,transform .3s var(--ease)}
.drop:hover .drop-inner svg{stroke:var(--accent);transform:translateY(-1px)}
.drop-inner strong{font-weight:600;font-size:13px;letter-spacing:-.01em}
.drop-inner span{color:var(--muted-2);font-size:11.5px}

.thumbs{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.thumb{position:relative;width:68px;height:68px;border-radius:11px;overflow:hidden;border:1px solid var(--line);background:#0a0a0b;animation:pop .35s var(--spring) both}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.thumb button{
  position:absolute;top:4px;right:4px;width:18px;height:18px;border:0;border-radius:50%;
  background:rgba(0,0,0,.72);color:#fff;font-size:12px;line-height:18px;cursor:pointer;padding:0;
  transition:background .2s,transform .2s;
}
.thumb button:hover{background:var(--danger);transform:scale(1.08)}

.toggle{
  position:relative;display:flex;align-items:center;gap:10px;
  margin-top:14px;color:var(--muted);font-size:12.5px;cursor:pointer;
  user-select:none;transition:color .2s;
}
.toggle:hover{color:var(--text)}
.toggle input{position:absolute;opacity:0;width:0;height:0;pointer-events:none}
.toggle .track{
  flex:none;width:38px;height:22px;border-radius:22px;
  background:rgba(120,120,128,.32);
  position:relative;transition:background .3s var(--ease);
}
.toggle .thumb-dot{
  position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;
  background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.4),0 0 0 .5px rgba(0,0,0,.12);
  transition:transform .32s var(--spring);
}
.toggle input:checked + .track{background:var(--accent-2)}
.toggle input:checked + .track .thumb-dot{transform:translateX(16px)}
.toggle input:focus-visible + .track{box-shadow:0 0 0 3px rgba(10,132,255,.3)}
.toggle-label{display:flex;flex-direction:column;gap:1px;line-height:1.4}
.toggle-label em{color:var(--muted-2);font-style:normal;font-size:11px}
.toggle.wide{grid-column:1/-1;margin-top:4px}

.composer-foot{margin-top:18px;padding-top:18px;border-top:1px solid var(--line-soft)}
.primary{
  width:100%;height:50px;padding:0 18px;border:0;border-radius:13px;cursor:pointer;
  font:600 15px/1 inherit;letter-spacing:-.01em;color:#fff;
  background:var(--accent);
  box-shadow:0 10px 28px rgba(10,132,255,.28),inset 0 1px 0 rgba(255,255,255,.18);
  transition:background .25s var(--ease),transform .2s var(--ease),box-shadow .25s var(--ease),opacity .2s;
  -webkit-tap-highlight-color:transparent;
}
.primary:hover{background:var(--accent-hover);box-shadow:0 12px 34px rgba(10,132,255,.36);transform:translateY(-1px)}
.primary:active{transform:scale(.985)}
.primary:disabled{background:rgba(118,118,128,.24);color:rgba(255,255,255,.38);box-shadow:none;cursor:not-allowed;transform:none}
.footnote{color:var(--muted-2);font-size:11.5px;text-align:center;margin:10px 0 0;letter-spacing:0}

.settings-card{padding:0;overflow:hidden}
.settings-toggle{
  width:100%;display:flex;align-items:center;gap:12px;
  padding:18px 22px;background:none;border:0;color:var(--text);
  font:inherit;text-align:left;cursor:pointer;
  transition:background .25s var(--ease);
}
.settings-toggle:hover{background:rgba(255,255,255,.025)}
.settings-title{font-weight:600;font-size:14px;letter-spacing:-.01em}
.settings-summary{
  margin-left:auto;color:var(--muted-2);font-size:11.5px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:60%;
}
.chev{width:16px;height:16px;color:var(--muted-2);flex:none;transition:transform .5s var(--ease)}
.settings-card.open .chev{transform:rotate(180deg)}
.settings-body{display:grid;grid-template-rows:0fr;transition:grid-template-rows .5s var(--ease)}
.settings-body-inner{overflow:hidden;padding:0 22px}
.settings-card.open .settings-body{grid-template-rows:1fr}
.settings-card.open .settings-body-inner{padding-bottom:22px}

.settings{display:grid;grid-template-columns:1fr 1fr;gap:16px 20px}
.range{display:flex;flex-direction:column;gap:7px}
.range span{display:flex;justify-content:space-between;color:var(--muted);font-size:12.5px}
.range output{color:var(--accent);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;font-variant-numeric:tabular-nums}
input[type=range]{
  -webkit-appearance:none;appearance:none;height:4px;border-radius:4px;
  background:linear-gradient(90deg,var(--accent) var(--p,50%),rgba(120,120,128,.32) var(--p,50%));
  outline:none;cursor:pointer;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:18px;height:18px;border-radius:50%;
  background:#fff;border:0;
  box-shadow:0 1px 5px rgba(0,0,0,.45),0 0 0 .5px rgba(0,0,0,.15);
  transition:transform .18s var(--spring),box-shadow .18s;
}
input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.1)}
input[type=range]::-webkit-slider-thumb:active{transform:scale(1.18);box-shadow:0 1px 8px rgba(0,0,0,.5)}
input[type=range]::-moz-range-thumb{width:18px;height:18px;border:0;border-radius:50%;background:#fff;box-shadow:0 1px 5px rgba(0,0,0,.45)}
input[type=range]:focus-visible{box-shadow:0 0 0 3px rgba(10,132,255,.25)}

.ref{display:flex;gap:12px;align-items:center;margin-top:18px;padding-top:16px;border-top:1px solid var(--line-soft)}
.ref img{width:56px;height:84px;object-fit:cover;border-radius:9px;border:1px solid var(--line);transition:transform .35s var(--ease)}
.ref img:hover{transform:scale(1.03)}
.ref strong{font-size:12.5px;font-weight:600}
.ref p{margin:3px 0 0;color:var(--muted-2);font-size:11.5px;line-height:1.5}

.preview{
  position:sticky;top:86px;
  max-height:calc(100vh - 104px);
  overflow:auto;
  padding:22px;
  display:flex;flex-direction:column;
}
.stage-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.stage-head h2{margin:0;font-size:15px;font-weight:600;letter-spacing:-.012em}
.stage-text{margin:4px 0 0;color:var(--muted);font-size:12.5px;min-height:20px;transition:color .3s}
.stage-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--muted-2);font-size:10.5px;letter-spacing:0}
.pill{
  padding:7px 12px;border-radius:999px;border:0;
  background:rgba(118,118,128,.16);color:var(--accent);
  text-decoration:none;font-size:11.5px;white-space:nowrap;
  transition:background .25s var(--ease),transform .2s var(--ease);
}
.pill:hover{background:rgba(118,118,128,.24);transform:translateY(-1px)}
.hidden{display:none}

.progress{height:5px;border-radius:5px;background:rgba(120,120,128,.22);overflow:hidden;margin-top:16px}
#bar{height:100%;width:0%;border-radius:5px;background:var(--accent);transition:width .7s var(--ease)}
.steps{display:flex;gap:7px;margin-top:12px;flex-wrap:wrap}
.steps span{
  padding:5px 11px;border-radius:999px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(118,118,128,.08);
  color:var(--muted-2);font-size:11px;
  transition:background .3s var(--ease),color .3s,border-color .3s,transform .3s var(--ease);
}
.steps span.active{background:var(--accent);color:#fff;border-color:transparent;font-weight:600;transform:translateY(-1px)}
.steps span.done{background:rgba(48,209,88,.12);color:var(--accent-2);border-color:rgba(48,209,88,.22)}
.steps span.skip{opacity:.32;text-decoration:line-through;border-style:dashed}

.results{
  display:grid;grid-template-columns:1fr 1fr;gap:14px;
  margin-top:18px;align-content:start;flex:1;
}
.results.single{grid-template-columns:minmax(0,520px);justify-content:center}
.results.single .result a{display:flex;justify-content:center}
.results.single .result img{width:auto;max-width:100%;max-height:calc(100vh - 330px);object-fit:contain}
.empty{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;color:var(--muted-2);min-height:340px;animation:fade .5s var(--ease) both;
}
.empty-icon{width:46px;height:46px;opacity:.35}
.empty p{margin:0;font-size:12.5px}
.result{display:flex;flex-direction:column;gap:8px;animation:rise .55s var(--ease) both}
.result a{
  display:block;border-radius:16px;overflow:hidden;
  border:1px solid var(--line);background:#000;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;
}
.result a:hover{transform:translateY(-2px);box-shadow:0 18px 44px rgba(0,0,0,.5);border-color:rgba(255,255,255,.16)}
.result img{width:100%;height:auto;display:block;transition:transform .65s var(--ease)}
.result a:hover img{transform:scale(1.012)}
.result .meta{display:flex;justify-content:space-between;align-items:center;color:var(--muted-2);font-size:11px;padding:0 2px}
.result .meta b{color:var(--muted);font-weight:600}
.dl{color:var(--accent);text-decoration:none;transition:color .2s}
.dl:hover{color:var(--accent-hover)}

.toast{
  position:fixed;left:50%;bottom:24px;transform:translate(-50%,18px);
  background:rgba(28,28,30,.88);border:1px solid rgba(255,255,255,.10);color:var(--text);
  padding:12px 18px;border-radius:14px;font-size:13px;opacity:0;pointer-events:none;
  transition:opacity .3s var(--ease),transform .45s var(--ease);
  z-index:50;box-shadow:0 16px 50px rgba(0,0,0,.55);
  max-width:90vw;
}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.err{border-color:rgba(255,69,58,.4);background:rgba(40,18,20,.9)}

@keyframes rise{from{opacity:0;transform:translateY(14px) scale(.994)}to{opacity:1;transform:none}}
@keyframes fadeDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes pop{from{opacity:0;transform:scale(.92)}to{opacity:1;transform:none}}
@keyframes paneIn{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(48,209,88,.12)}50%{box-shadow:0 0 0 7px rgba(48,209,88,.04)}}


.field{display:flex;flex-direction:column;gap:8px}
.field-label{color:var(--muted);font-size:12.5px;font-weight:500}
.field-hint{color:var(--muted-2);font-size:11.5px;margin:10px 0 0;line-height:1.55}
.composer textarea{min-height:220px}

.solver{padding-bottom:18px;border-bottom:1px solid var(--line-soft);margin-bottom:18px}
.solver-head{display:flex;justify-content:space-between;gap:10px;align-items:baseline}
.solver-title{font-size:12.5px;font-weight:600;color:var(--text)}
.solver-status{color:var(--muted-2);font-size:11.5px}
.solver-row{display:flex;gap:8px;margin-top:8px}
.solver-row input{
  flex:1;height:38px;min-width:0;
  background:rgba(118,118,128,.12);border:1px solid transparent;border-radius:10px;
  color:var(--text);padding:0 12px;font:12.5px inherit;outline:none;
  transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s;
}
.solver-row input::placeholder{color:#5c5c61}
.solver-row input:focus{background:rgba(118,118,128,.18);box-shadow:0 0 0 3px rgba(10,132,255,.28);border-color:rgba(10,132,255,.35)}
.mini-select{
  height:38px;border-radius:10px;border:1px solid transparent;
  background:rgba(118,118,128,.12);color:var(--text);
  font:12px inherit;padding:0 8px;outline:none;cursor:pointer;
  transition:background .25s var(--ease),box-shadow .25s;
}
.mini-select:hover{background:rgba(118,118,128,.18)}
.mini-select:focus{box-shadow:0 0 0 3px rgba(10,132,255,.28)}
.mini-select option{background:#1c1c1e;color:var(--text)}
.solver + .solver{padding-top:0;border-bottom:1px solid var(--line-soft)}
.solver-hint{color:var(--muted-2);font-size:11px;margin:8px 0 0;line-height:1.5}

.answer-box{margin-top:16px;padding-top:14px;border-top:1px solid var(--line-soft)}
.answer-box summary{
  cursor:pointer;color:var(--muted);font-size:12.5px;
  display:flex;justify-content:space-between;gap:10px;
  list-style:none;transition:color .2s;
}
.answer-box summary:hover{color:var(--text)}
.answer-box summary::-webkit-details-marker{display:none}
.answer-box[open] summary{margin-bottom:10px}
.answer-box pre{
  white-space:pre-wrap;word-break:break-word;
  background:rgba(118,118,128,.08);border-radius:12px;
  padding:12px 14px;margin:0;
  font:11.5px/1.75 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  color:var(--muted);max-height:260px;overflow:auto;
}
.solve-cost{color:var(--muted-2);font-size:10.5px;font-weight:400;letter-spacing:0}

.confirm-bar{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:16px;padding:14px 16px;
  background:rgba(10,132,255,.08);
  border:1px solid rgba(10,132,255,.22);
  border-radius:16px;
  animation:rise .5s var(--ease) both;
}
.confirm-meta{display:flex;flex-direction:column;gap:2px;min-width:0}
.confirm-meta strong{font-size:13.5px;font-weight:600}
.confirm-meta span{color:var(--muted);font-size:11.5px}
.confirm-actions{display:flex;gap:8px;flex:none}
.btn-ghost,.btn-confirm{
  height:36px;padding:0 16px;border-radius:10px;border:0;cursor:pointer;
  font:600 12.5px/1 inherit;transition:transform .2s var(--ease),background .25s var(--ease),box-shadow .25s;
}
.btn-ghost{background:rgba(118,118,128,.18);color:var(--muted)}
.btn-ghost:hover{background:rgba(118,118,128,.26);color:var(--text)}
.btn-confirm{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(10,132,255,.28)}
.btn-confirm:hover{background:var(--accent-hover);transform:translateY(-1px)}
.btn-confirm:active,.btn-ghost:active{transform:scale(.97)}
.btn-confirm:disabled{opacity:.5;cursor:not-allowed;transform:none}

@media (max-width:1020px){
  .shell{grid-template-columns:1fr}
  .preview{position:static;max-height:none}
  .settings{grid-template-columns:1fr}
  .results{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .topbar{padding:11px 14px;align-items:center}
  .brand-text h1{font-size:17px}
  .brand-text p{display:none}
  .shell{padding:12px 14px 36px;gap:14px}
  .composer{padding:18px;border-radius:20px}
  .settings-toggle{padding:16px 18px}
  .settings-body-inner{padding:0 18px}
  .settings-card.open .settings-body-inner{padding-bottom:18px}
  .preview{padding:18px;border-radius:20px}
  .results,.results.single{grid-template-columns:1fr;justify-items:stretch}
  .settings-summary{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}

/* ---------- 账号 ---------- */
.userbox{display:flex;align-items:center;gap:10px;margin-left:14px}
.user-name{font-size:13px;color:var(--text);font-weight:500}
.user-credits{
  font-size:12px;color:var(--accent-2);
  background:rgba(48,209,88,.12);border:1px solid rgba(48,209,88,.22);
  padding:3px 10px;border-radius:999px;white-space:nowrap;
}
.overlay{
  position:fixed;inset:0;z-index:60;display:none;align-items:center;justify-content:center;
  background:rgba(0,0,0,.66);
  padding:20px;
}
.auth-card{
  width:min(360px,100%);background:var(--panel);border:1px solid var(--line);
  border-radius:22px;padding:26px 24px 22px;box-shadow:var(--shadow);
  backdrop-filter:blur(30px);-webkit-backdrop-filter:blur(30px);
}
.auth-card h2{margin:0 0 6px;font-size:20px;letter-spacing:-.02em}
.auth-sub{margin:0 0 16px;color:var(--muted);font-size:12.5px}
.tabs{display:flex;gap:6px;background:rgba(118,118,128,.16);padding:3px;border-radius:11px;margin-bottom:16px}
.tab{
  flex:1;border:0;background:transparent;color:var(--muted);font-size:13px;
  padding:7px 0;border-radius:9px;cursor:pointer;transition:all .2s var(--ease);
}
.tab.active{background:rgba(255,255,255,.14);color:var(--text);font-weight:500}
.auth-input{
  width:100%;margin-bottom:10px;padding:11px 13px;border-radius:11px;
  border:1px solid var(--line);background:rgba(118,118,128,.16);color:var(--text);
  font-size:13.5px;outline:none;transition:border-color .2s,background .2s;
}
.auth-input:focus{border-color:rgba(10,132,255,.55);background:rgba(10,132,255,.08)}
.auth-input::placeholder{color:var(--muted-2)}
.auth-submit{width:100%;margin-top:4px}
.auth-msg{min-height:18px;margin:10px 0 0;font-size:12.5px;color:var(--danger)}
.auth-msg.ok{color:var(--accent-2)}
.auth-close{display:block;margin:12px auto 0}
.overlay.show{display:flex}

/* ---------- 账户块 ---------- */
.account-card{margin-top:16px}
.acct-user{font-size:12px;color:var(--muted);max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.balance{padding:2px 0 14px;border-bottom:1px solid var(--line-soft);margin-bottom:14px}
.balance-row{display:flex;align-items:baseline;gap:6px}
.balance-num{font-size:34px;font-weight:600;letter-spacing:-.03em;line-height:1.1;font-variant-numeric:tabular-nums}
.balance-unit{font-size:13px;color:var(--muted)}
.balance-hint{margin:6px 0 0;font-size:12px;color:var(--muted-2)}
.balance-hint b{color:var(--accent-2);font-weight:500}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.plan{
  display:flex;flex-direction:column;align-items:center;gap:2px;
  padding:11px 6px;border-radius:12px;cursor:pointer;
  border:1px solid var(--line);background:rgba(118,118,128,.13);
  color:var(--text);transition:all .2s var(--ease);
}
.plan:hover{border-color:rgba(10,132,255,.5);background:rgba(10,132,255,.12);transform:translateY(-1px)}
.plan:active{transform:scale(.98)}
.plan b{font-size:15px;letter-spacing:-.01em}
.plan span{font-size:11.5px;color:var(--accent-2)}
.plan em{font-size:10.5px;color:var(--muted-2);font-style:normal}
.redeem{display:flex;gap:8px;margin-top:14px}
.redeem .auth-input{margin-bottom:0;flex:1 1 auto;width:auto;min-width:0}
.redeem .redeem-btn{flex:0 0 auto;width:auto;padding:11px 18px;border-radius:11px;white-space:nowrap;font-size:13px}
.acct-note{margin:12px 0 0;font-size:11.5px;color:var(--muted-2);line-height:1.5}

/* ---------- 发卡 / 充值页 ---------- */
.shop-wrap{max-width:980px;margin:0 auto;padding:28px 24px 80px;position:relative;z-index:1}
.shop-hero h2{margin:0 0 6px;font-size:22px;letter-spacing:-.02em}
.shop-hero p{margin:0 0 22px;color:var(--muted);font-size:13px}
.shop-hero strong{color:var(--text)}
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.tier{
  display:flex;flex-direction:column;align-items:center;gap:4px;cursor:pointer;
  padding:22px 12px;border-radius:18px;border:1px solid var(--line);
  background:rgba(26,26,28,.92);
  color:var(--text);transition:all .22s var(--ease);
}
.tier:hover{border-color:rgba(10,132,255,.55);background:rgba(10,132,255,.1);transform:translateY(-2px);box-shadow:0 16px 40px rgba(10,132,255,.16)}
.tier:active{transform:scale(.99)}
.tier-price{font-size:26px;font-weight:600;letter-spacing:-.03em}
.tier-points{font-size:14px;color:var(--accent-2)}
.tier-pages{font-size:12px;color:var(--muted-2)}
.order-panel{margin-top:24px}
.order-card{padding:22px}
.order-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.order-head h3{margin:0 0 4px;font-size:17px;letter-spacing:-.01em}
.order-sub{margin:0;font-size:12.5px;color:var(--muted)}
.badge{font-size:11.5px;padding:4px 10px;border-radius:999px;white-space:nowrap}
.badge.wait{background:rgba(255,159,10,.14);color:#ff9f0a;border:1px solid rgba(255,159,10,.25)}
.badge.ok{background:rgba(48,209,88,.14);color:var(--accent-2);border:1px solid rgba(48,209,88,.25)}
.badge.off{background:rgba(118,118,128,.18);color:var(--muted);border:1px solid var(--line)}
.order-body{display:flex;gap:24px;align-items:center;margin-top:18px;flex-wrap:wrap}
.order-info{flex:1;min-width:180px}
.kv{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--line-soft);font-size:13px}
.kv span{color:var(--muted)}
.kv b{font-weight:500;font-variant-numeric:tabular-nums}
.qr-box{width:180px;height:180px;border-radius:16px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);display:flex;align-items:center;justify-content:center;overflow:hidden}
.qr-box img{width:100%;height:100%;object-fit:contain;background:#fff}
.qr-empty{font-size:12px;color:var(--muted-2);text-align:center;padding:16px}
.order-tip{margin:16px 0 0;font-size:12px;color:var(--muted-2)}
.order-done{margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}
.order-done p{margin:0 0 10px;font-size:13px;color:var(--accent-2)}
.code-line{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.code-line code{font-family:ui-monospace,Menlo,monospace;font-size:19px;letter-spacing:.06em}
.btn-wide{display:block;text-align:center;text-decoration:none;padding:12px;border-radius:12px}
.my-orders{margin-top:34px}
.my-orders h3{margin:0 0 12px;font-size:15px;color:var(--muted);font-weight:500}
.orders-list{display:flex;flex-direction:column;gap:8px}
.order-row{display:grid;grid-template-columns:1.2fr .6fr .8fr .8fr 1.4fr;gap:10px;align-items:center;
  padding:12px 16px;border-radius:14px;border:1px solid var(--line);background:rgba(28,28,30,.6);
  font-size:12.5px;cursor:pointer;transition:border-color .2s,background .2s}
.order-row:hover{border-color:rgba(10,132,255,.4);background:rgba(10,132,255,.06)}
.muted{color:var(--muted-2)}
.small{font-size:11.5px}
.mono{font-family:ui-monospace,Menlo,monospace}

/* ---------- 订单管理 ---------- */
.admin-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px}
.stat{padding:16px 18px;border-radius:16px;border:1px solid var(--line);background:var(--panel)}
.stat b{display:block;font-size:24px;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat span{font-size:12px;color:var(--muted)}
.qr-admin{margin-bottom:18px;padding:20px 22px}
.qr-admin-body{display:flex;gap:18px;align-items:center;padding:0}
.qr-admin input[type=file]{color:var(--muted);font-size:12.5px;max-width:220px}
.qr-thumb{width:120px;height:120px;border-radius:12px;object-fit:contain;background:#fff;border:1px solid var(--line)}
.admin-orders{padding:20px 22px 8px}
.admin-row{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  padding:13px 16px;border-radius:14px;border:1px solid var(--line);background:rgba(28,28,30,.6);font-size:13px}
.admin-row-main{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.tag{font-size:11.5px;padding:2px 8px;border-radius:999px;background:rgba(118,118,128,.18);color:var(--muted)}
.admin-row-actions{display:flex;gap:8px}
.btn-ok{padding:7px 14px;border-radius:10px;border:0;cursor:pointer;font-size:12.5px;
  background:var(--accent-2);color:#07240f;font-weight:600;transition:filter .2s}
.btn-ok:hover{filter:brightness(1.08)}
.btn-ok:disabled{opacity:.5;cursor:default}
.btn-ghost{padding:7px 14px;border-radius:10px;cursor:pointer;font-size:12.5px;
  border:1px solid var(--line);background:transparent;color:var(--muted);transition:all .2s}
.btn-ghost:hover{background:rgba(255,69,58,.12);color:var(--danger);border-color:rgba(255,69,58,.3)}

.link{color:var(--accent);text-decoration:none}
.link:hover{text-decoration:underline}

/* ---------- 小屏 ---------- */
@media (max-width:720px){
  .shop-wrap{padding:18px 14px 60px}
  .tiers{grid-template-columns:1fr;gap:10px}
  .tier{flex-direction:row;justify-content:space-between;padding:16px 18px}
  .tier-price{font-size:20px}
  .order-body{gap:14px}
  .qr-box{width:100%;height:auto;aspect-ratio:1/1;max-width:220px;margin:0 auto}
  .order-row{grid-template-columns:1fr 1fr;row-gap:6px}
  .admin-stats{grid-template-columns:1fr;gap:8px}
  .admin-row{flex-direction:column;align-items:flex-start}
  .admin-row-actions{width:100%}
  .admin-row-actions button{flex:1}
}
.count{display:inline-block;margin-left:6px;color:#ff9f0a;font-variant-numeric:tabular-nums}
.count.expired{color:var(--muted-2)}
.auth-x{position:absolute;top:12px;right:12px;width:28px;height:28px;border-radius:50%;
  border:0;background:rgba(118,118,128,.22);color:var(--muted);font-size:17px;line-height:1;
  cursor:pointer;transition:background .2s,color .2s}
.auth-x:hover{background:rgba(255,69,58,.18);color:var(--danger)}
.auth-card{position:relative}
.auth-x{width:34px;height:34px;font-size:19px;z-index:5;top:10px;right:10px}

/* ---------- 账户中心 ---------- */
.console{display:grid;grid-template-columns:190px 1fr;gap:24px;
  max-width:1120px;margin:0 auto;padding:26px 24px 80px;position:relative;z-index:1}
.console-nav{display:flex;flex-direction:column;gap:4px;position:sticky;top:86px;align-self:start}
.nav-item{text-align:left;padding:10px 14px;border-radius:10px;border:0;cursor:pointer;
  background:transparent;color:var(--muted);font-size:13.5px;transition:all .18s var(--ease)}
.nav-item:hover{background:rgba(118,118,128,.14);color:var(--text)}
.nav-item.active{background:rgba(10,132,255,.16);color:var(--accent);font-weight:500}
.console-main{min-width:0}
.balance-hero{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
  padding:26px 28px;border-radius:20px;border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(10,132,255,.14),rgba(48,209,88,.05) 60%,rgba(26,26,28,.9));
  margin-bottom:16px}
.hero-label{margin:0 0 6px;font-size:12.5px;color:var(--muted)}
.hero-num{display:flex;align-items:baseline;gap:8px}
.hero-num span{font-size:44px;font-weight:600;letter-spacing:-.035em;line-height:1;font-variant-numeric:tabular-nums}
.hero-num small{font-size:14px;color:var(--muted)}
.hero-sub{margin:8px 0 0;font-size:12px;color:var(--muted-2)}
.hero-actions{display:flex;gap:10px;align-items:center}
.btn-inline{display:inline-block;padding:10px 22px;border-radius:12px;text-decoration:none;
  font-size:13.5px;border:0;cursor:pointer;width:auto}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}
.stat-card{padding:16px 18px;border-radius:16px;border:1px solid var(--line);background:rgba(26,26,28,.9)}
.stat-card span{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}
.stat-card b{font-size:22px;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat-card em{font-style:normal;font-size:11.5px;color:var(--muted-2);margin-left:5px}
.panel{padding:18px 20px;border-radius:18px;border:1px solid var(--line);
  background:rgba(26,26,28,.9);margin-bottom:16px}
.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.panel-head h3{margin:0;font-size:14.5px;font-weight:500}
.ledger-list,.ledger-table{display:flex;flex-direction:column}
.ledger-row{display:grid;grid-template-columns:1fr 90px 150px;gap:10px;align-items:center;
  padding:10px 0;border-bottom:1px solid var(--line-soft);font-size:13px}
.ledger-row:last-child{border-bottom:0}
.ledger-reason{color:var(--text)}
.ledger-amount{text-align:right;font-variant-numeric:tabular-nums;font-weight:500}
.ledger-amount.plus{color:var(--accent-2)}
.ledger-amount.minus{color:var(--danger)}
.ledger-row .muted{font-size:12px;text-align:right}
.form-stack{display:flex;flex-direction:column;gap:10px;max-width:340px}
.kv-list .kv{padding:10px 0}
.mt0{margin-top:0}
.mt16{margin-top:16px}
@media (max-width:820px){
  .console{grid-template-columns:1fr;padding:16px 14px 60px}
  .console-nav{flex-direction:row;overflow-x:auto;position:static}
  .nav-item{white-space:nowrap}
  .stat-grid{grid-template-columns:1fr 1fr}
  .hero-num span{font-size:34px}
  .ledger-row{grid-template-columns:1fr 70px;}
  .ledger-row .muted{grid-column:1/-1;text-align:left}
}

/* 顶栏标题 */
.page-title{margin:0;font-size:16px;font-weight:600;letter-spacing:-.01em}

/* 设置重置 */
.settings-actions{display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:14px;padding-top:12px;border-top:1px solid var(--line-soft)}
.settings-note{font-size:11.5px;color:var(--muted-2)}
.title-wrap{display:flex;align-items:baseline;gap:10px;min-width:0}
.title-sub{font-size:12px;color:var(--muted-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* 代理 */
.form-row{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap}
.mini-field{display:flex;flex-direction:column;gap:4px;font-size:11.5px;color:var(--muted)}
.mini-field .auth-input{width:120px;margin-bottom:0}
.auth-input.mini{width:120px}
.agent-cost{font-size:12.5px;color:var(--muted);padding-bottom:11px}
.agent-cost b{color:#ff9f0a;font-size:15px}
.code-table{display:flex;flex-direction:column}
.code-row{display:grid;grid-template-columns:1.1fr .8fr 1.4fr 1.1fr;gap:10px;align-items:center;
  padding:10px 0;border-bottom:1px solid var(--line-soft);font-size:12.5px}
.code-row:last-child{border-bottom:0}
.code-text{cursor:pointer;color:var(--accent)}
.code-text:hover{text-decoration:underline}
.agent-admin{padding:20px 22px;margin-bottom:18px}
@media (max-width:720px){.code-row{grid-template-columns:1fr 1fr;row-gap:4px}}
.copy-row{display:flex;gap:10px;margin-bottom:8px}
.copy-row .auth-input{margin-bottom:0;flex:1;min-width:0;font-family:ui-monospace,Menlo,monospace;font-size:12.5px}
.copy-row .redeem-btn{flex:0 0 auto;width:auto;padding:11px 18px;border-radius:11px;white-space:nowrap;font-size:13px}
.plus{color:var(--accent-2)}