*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#090e18; --bg-card:#0e1520; --bg-card-h:#131d2e; --bg-inset:#0a111c;
  --accent:#38bdf8; --accent-d:#0ea5e9;
  --good:#34d399; --bad:#f87171; --warn:#fbbf24;
  --text:rgba(255,255,255,.92); --text-sub:rgba(255,255,255,.55); --text-dim:rgba(255,255,255,.30);
  --border:rgba(56,189,248,.13); --border-h:rgba(56,189,248,.30);
  --radius:14px;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  background:var(--bg); color:var(--text); line-height:1.6;
  background-image:radial-gradient(rgba(56,189,248,.06) 1px,transparent 1px);
  background-size:30px 30px; min-height:100vh;
}
.wrap{width:100%;max-width:840px;margin:0 auto;padding:0 20px}
.zh{color:var(--text-sub);font-weight:400}
.en{color:var(--text-dim);font-weight:400;font-size:.86em}

header{padding:48px 0 0;border-bottom:1px solid var(--border);background:linear-gradient(180deg,rgba(56,189,248,.04),transparent)}
h1{font-size:clamp(1.6rem,4vw,2.3rem);font-weight:700;letter-spacing:-.02em}
h1 .zh{font-size:.62em;margin-left:.5em}
.tagline{color:var(--text-sub);font-size:.9rem;margin:12px 0 24px;max-width:640px}
.tagline .zh{font-size:.95em}

.tabs{display:flex;gap:4px}
.tab{background:none;border:none;border-bottom:2px solid transparent;color:var(--text-sub);
  font:inherit;font-weight:600;font-size:.92rem;padding:12px 18px;cursor:pointer;transition:.15s}
.tab:hover{color:var(--text)}
.tab.active{color:var(--accent);border-bottom-color:var(--accent)}

main{padding:32px 0 64px}
.panel{animation:fade .2s ease}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

.steps{list-style:none}
.step{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 22px 24px;margin-bottom:16px}
.step-head{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.num{flex:none;width:26px;height:26px;border-radius:8px;background:rgba(56,189,248,.14);
  color:var(--accent);font-weight:700;font-size:.85rem;display:grid;place-items:center}
.step h2{font-size:1.02rem;font-weight:600}
.step h2 .en{margin-left:.4em}
.hint{color:var(--text-sub);font-size:.84rem;margin-bottom:14px}
.hint.inline{margin:0}
.hint.big{font-size:.9rem;margin-bottom:20px}
.hint.note{margin:12px 0 0;padding:10px 12px;border-left:2px solid var(--warn);
  background:rgba(251,191,36,.06);border-radius:0 8px 8px 0}
.hint strong{color:var(--text)}
.hint .en{display:inline-block;margin-top:2px}

input[type=url],input[type=text],input[type=datetime-local],select{
  width:100%;background:var(--bg-inset);border:1px solid var(--border);border-radius:10px;
  color:var(--text);font:inherit;font-size:.9rem;padding:10px 12px;transition:.15s}
input:focus,select:focus{outline:none;border-color:var(--border-h);box-shadow:0 0 0 3px rgba(56,189,248,.1)}
input::placeholder{color:var(--text-dim)}

.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:12px}
.field{display:flex;flex-direction:column;gap:5px;font-size:.8rem;color:var(--text-sub)}
.field.grow{flex:1;min-width:200px}
.field input{margin-top:2px}

.btn{background:rgba(56,189,248,.12);border:1px solid var(--border-h);color:var(--accent);
  font:inherit;font-weight:600;font-size:.88rem;padding:10px 16px;border-radius:10px;cursor:pointer;
  transition:.15s;display:inline-flex;align-items:center;gap:6px}
.btn:hover:not(:disabled){background:rgba(56,189,248,.2)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn.primary{background:var(--accent-d);border-color:var(--accent);color:#04121e}
.btn.primary:hover:not(:disabled){background:var(--accent)}
.btn.ghost{background:none;color:var(--text-sub);border-color:var(--border)}
.btn.ghost:hover:not(:disabled){color:var(--text);border-color:var(--border-h)}
.btn.small{font-size:.8rem;padding:7px 12px}
.btn .en{color:inherit;opacity:.7}

.check{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--text-sub);margin:8px 0;cursor:pointer}
.check input{width:15px;height:15px;accent-color:var(--accent);flex:none}

.drop{display:grid;place-items:center;min-height:96px;border:1.5px dashed var(--border-h);
  border-radius:12px;color:var(--text-sub);font-size:.86rem;cursor:pointer;transition:.15s;text-align:center;padding:16px}
.drop:hover,.drop.over{background:rgba(56,189,248,.06);border-color:var(--accent);color:var(--text)}

.filelist,.report{list-style:none;margin-top:12px}
.filelist li{display:flex;align-items:flex-start;gap:10px;background:var(--bg-inset);
  border:1px solid var(--border);border-radius:10px;padding:10px 12px;margin-bottom:8px;font-size:.82rem}
.filelist .meta{flex:1;min-width:0}
.filelist .fn{font-weight:600;word-break:break-all}
.filelist .hash{font-family:var(--mono);font-size:.74rem;color:var(--text-dim);word-break:break-all;margin-top:2px}
.filelist .rm{background:none;border:none;color:var(--text-dim);cursor:pointer;font-size:1rem;line-height:1;padding:2px 4px}
.filelist .rm:hover{color:var(--bad)}
.filelist .spin{color:var(--accent);font-size:.76rem}
.kind{display:inline-block;font-size:.68rem;font-weight:500;color:var(--accent);
  background:rgba(56,189,248,.1);border-radius:5px;padding:1px 6px;margin-left:6px;vertical-align:middle;letter-spacing:.02em}
.src-label{display:flex;align-items:center;gap:6px;font-size:.72rem;color:var(--text-dim);margin-top:6px}
.src-label select{width:auto;flex:none;padding:3px 6px;font-size:.76rem}

.arch-row{display:flex;gap:8px;margin-bottom:8px}
.arch-row select{width:150px;flex:none}
.arch-row .rm{background:none;border:1px solid var(--border);border-radius:8px;color:var(--text-dim);
  cursor:pointer;padding:0 10px;flex:none}
.arch-row .rm:hover{color:var(--bad);border-color:var(--bad)}

.digest-box{background:var(--bg-inset);border:1px solid var(--border);border-radius:10px;padding:12px 14px;margin-bottom:14px}
.digest-line{display:flex;flex-wrap:wrap;gap:6px 12px;align-items:baseline}
.digest-line .k{font-size:.74rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.06em}
.mono{font-family:var(--mono);font-size:.78rem;color:var(--accent);word-break:break-all}
.mono.small{font-size:.72rem;color:var(--text-sub);white-space:pre-wrap;margin-top:8px}
details summary{font-size:.76rem;color:var(--text-dim);cursor:pointer;margin-top:8px}

.statusbox{margin-top:14px;background:var(--bg-inset);border:1px solid var(--border);border-radius:10px;
  padding:12px 14px;font-size:.83rem;color:var(--text-sub)}
.statusbox .line{display:flex;gap:8px;align-items:flex-start;margin:4px 0}
.statusbox .ok{color:var(--good)} .statusbox .err{color:var(--bad)} .statusbox .wait{color:var(--warn)}
.statusbox code{font-family:var(--mono);font-size:.76rem;color:var(--text);word-break:break-all}

.report{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;font-size:.86rem}
.verdict{font-size:1.05rem;font-weight:700;padding:12px 16px;border-radius:10px;margin-bottom:16px}
.verdict.pass{background:rgba(52,211,153,.12);color:var(--good);border:1px solid rgba(52,211,153,.3)}
.verdict.fail{background:rgba(248,113,113,.12);color:var(--bad);border:1px solid rgba(248,113,113,.3)}
.report h3{font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim);margin:16px 0 8px}
.report .item{display:flex;gap:8px;align-items:flex-start;padding:6px 0;border-top:1px solid var(--border)}
.report .item .i{flex:none;font-weight:700}
.report .item .i.ok{color:var(--good)} .report .item .i.bad{color:var(--bad)} .report .item .i.warn{color:var(--warn)}
.report .sub{color:var(--text-dim);font-size:.78rem;font-family:var(--mono);word-break:break-all}
.report .when{margin-top:16px;padding:12px 14px;background:var(--bg-inset);border-radius:10px}
.report .when b{color:var(--accent)}

footer{border-top:1px solid var(--border);padding:24px 0 40px;color:var(--text-dim);font-size:.8rem}
footer .links{margin-top:10px;display:flex;gap:18px}
footer a{color:var(--text-sub);text-decoration:none}
footer a:hover{color:var(--accent)}

@media(max-width:560px){
  .step{padding:18px 16px}
  .arch-row{flex-wrap:wrap}
  .arch-row select{width:100%}
  .row{gap:10px}
}