:root{
  --navy:#0f2c4d; --navy-2:#24527f; --accent:#c8a15a;
  --bg:#f4f6f9; --card:#fff; --text:#1c1c1e; --muted:#6b7280;
  --line:#e3e8ee; --ok:#0f7b4f; --warn:#8a5a00; --err:#a8232a;
  --r-high-bg:#fdecec; --r-mid-bg:#fff6e5; --r-low-bg:#f1f5f9; --r-unk-bg:#f4f4f5;
  --shadow:0 1px 3px rgba(16,30,54,.06),0 6px 20px rgba(16,30,54,.05);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --navy:#7fa8d6; --navy-2:#9dbde3; --bg:#14171c; --card:#1c2027;
    --text:#e8eaed; --muted:#9aa2ae; --line:#2b313a;
    --r-high-bg:#3a1f21; --r-mid-bg:#3a2f1a; --r-low-bg:#22272e; --r-unk-bg:#22262c;
    --shadow:0 1px 3px rgba(0,0,0,.4);
  }
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB",
    "Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg); color:var(--text); font-size:16px; line-height:1.65;
  -webkit-text-size-adjust:100%;
}
.wrap{max-width:640px;margin:0 auto;padding:0 16px 120px}

/* ---- 顶栏 ---- */
.topbar{background:var(--navy);color:#fff;padding-block:14px;
  position:sticky;top:0;z-index:20}
:root:not([data-theme="light"]) .topbar{background:#101319}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .topbar{background:#101319}}
.topbar .wrap{padding-bottom:0;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.topbar h1{font-size:17px;margin:0;font-weight:600;letter-spacing:.5px;color:#fff}
.topbar .sub{font-size:12px;opacity:.7;color:#fff}

/* ---- 进度 ---- */
.progress{display:flex;gap:6px;margin:16px 0 4px}
.progress i{flex:1;height:4px;border-radius:2px;background:var(--line);
  transition:background .25s}
.progress i.on{background:var(--navy)}
.step-head{margin:10px 0 18px}
.step-head h2{font-size:20px;margin:0 0 2px;color:var(--text);font-weight:650}
.step-head p{margin:0;color:var(--muted);font-size:13px}

/* ---- 表单 ---- */
.step{display:none}
.step.active{display:block;animation:fade .18s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.field{background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:14px;margin-bottom:12px;box-shadow:var(--shadow)}
.field.err{border-color:var(--err)}
label.lb{display:block;font-size:14.5px;font-weight:600;margin-bottom:2px}
label.lb .req{color:var(--err);margin-left:3px}
.hint{font-size:12px;color:var(--muted);margin:0 0 9px}
select,input[type=text],textarea{
  width:100%;font-size:16px;font-family:inherit;color:var(--text);
  background:var(--bg);border:1px solid var(--line);border-radius:9px;
  padding:11px 12px;appearance:none;-webkit-appearance:none;line-height:1.4;
}
select{background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8'><path d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='1.6' fill='none' stroke-linecap='round'/></svg>");
  background-repeat:no-repeat;background-position:right 13px center;padding-right:34px}
select:focus,input:focus,textarea:focus{outline:none;border-color:var(--navy-2)}
textarea{min-height:80px;resize:vertical}
.chips{display:flex;flex-wrap:wrap;gap:7px}
.chip{border:1px solid var(--line);background:var(--bg);color:var(--text);
  border-radius:18px;padding:8px 13px;font-size:14px;cursor:pointer;
  user-select:none;transition:.15s;min-height:36px;line-height:1.35}
.chip.on{background:var(--navy);border-color:var(--navy);color:#fff;font-weight:500}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .chip.on{color:#0d1116}}
.other-box{margin-top:9px;display:none}
.other-box.show{display:block}

/* ---- 底部操作条 ---- */
.actions{position:fixed;left:0;right:0;bottom:0;background:var(--card);
  border-top:1px solid var(--line);padding:12px 16px;
  padding-bottom:calc(12px + env(safe-area-inset-bottom));z-index:30}
.actions .inner{max-width:640px;margin:0 auto;display:flex;gap:10px}
.btn{flex:1;border:none;border-radius:10px;padding:14px;font-size:16px;
  font-weight:600;font-family:inherit;cursor:pointer;min-height:50px}
.btn.primary{background:var(--navy);color:#fff}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .btn.primary{color:#0d1116}}
.btn.ghost{background:transparent;color:var(--muted);border:1px solid var(--line);flex:0 0 96px}
.btn:disabled{opacity:.5}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:96px;
  background:rgba(20,24,30,.92);color:#fff;padding:11px 18px;border-radius:9px;
  font-size:14px;z-index:60;max-width:88vw;text-align:center;display:none}
.toast.show{display:block}

/* ---- 报告页 ---- */
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:18px 16px;margin:14px 0;box-shadow:var(--shadow)}
.card-h{display:flex;align-items:center;gap:8px;margin-bottom:4px}
.card-h h3{margin:0;font-size:16px;color:var(--navy)}
.tag{font-size:11px;padding:2px 8px;border-radius:20px;background:var(--r-low-bg);
  color:var(--muted);font-weight:600}
.tag.live{background:#e6f3ec;color:var(--ok)}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .tag.live{background:#1b3a2b;color:#6fce9f}}
.md{font-size:15px;line-height:1.78;overflow-wrap:break-word}
.md h2{font-size:17px;margin:22px 0 8px;padding-bottom:6px;
  border-bottom:2px solid var(--navy);color:var(--navy)}
.md h2:first-child{margin-top:2px}
.md h3{font-size:15px;margin:16px 0 6px;color:var(--navy-2)}
.md p{margin:0 0 9px}
.md ul,.md ol{padding-left:20px;margin:0 0 10px}
.md li{margin-bottom:4px}
.md strong{color:var(--navy)}
.md hr{border:none;border-top:1px solid var(--line);margin:18px 0}
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:10px 0 14px;
  border:1px solid var(--line);border-radius:8px}
.md table{border-collapse:collapse;font-size:13px;min-width:640px;width:100%}
.md th{background:var(--navy);color:#fff;padding:9px 10px;text-align:left;
  font-weight:600;white-space:nowrap;font-size:12.5px}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .md th{color:#0d1116}}
.md td{border:1px solid var(--line);padding:9px 10px;vertical-align:top;min-width:88px}
.md td:first-child{white-space:nowrap;font-weight:600;background:var(--r-low-bg)}
.md td.r-high{background:var(--r-high-bg);color:var(--err);font-weight:600}
.md td.r-mid{background:var(--r-mid-bg);color:var(--warn);font-weight:600}
.md td.r-low{background:var(--r-low-bg);color:var(--muted)}
.md td.r-unknown{background:var(--r-unk-bg);color:var(--muted)}
.cursor{display:inline-block;width:7px;height:16px;background:var(--navy);
  vertical-align:-2px;animation:blink 1s steps(2) infinite}
@keyframes blink{0%,50%{opacity:1}51%,100%{opacity:0}}

/* ---- 详尽版进度 ---- */
.upsell{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;
  border-radius:14px;padding:18px 16px;margin:16px 0}
.upsell h3{margin:0 0 6px;font-size:16px;color:#fff}
.upsell p{margin:0 0 14px;font-size:13.5px;opacity:.88;line-height:1.6}
.upsell .btn{background:#fff;color:var(--navy);width:100%}
.shardlist{list-style:none;padding:0;margin:12px 0 0}
.shardlist li{display:flex;align-items:center;gap:9px;padding:8px 0;
  font-size:14px;border-bottom:1px dashed var(--line)}
.shardlist li:last-child{border-bottom:none}
.dot{width:9px;height:9px;border-radius:50%;background:var(--line);flex:0 0 9px}
.dot.running{background:var(--warn);animation:pulse 1s infinite}
.dot.done{background:var(--ok)}
.dot.error{background:var(--err)}
@keyframes pulse{50%{opacity:.3}}
.bar{height:6px;background:var(--line);border-radius:3px;overflow:hidden;margin:12px 0 6px}
.bar i{display:block;height:100%;background:var(--navy);width:0;transition:width .4s}
.eta{font-size:13px;color:var(--muted);text-align:center}
.err-box{background:var(--r-high-bg);color:var(--err);border-radius:10px;
  padding:12px 14px;font-size:14px;margin:12px 0}
.foot{color:var(--muted);font-size:12px;line-height:1.65;margin:22px 0 8px;
  padding:12px;background:var(--card);border-radius:10px;border:1px solid var(--line)}
.rowbtns{display:flex;gap:9px;margin-top:14px;flex-wrap:wrap}
.rowbtns .btn{flex:1 1 130px;font-size:14.5px;padding:12px;min-height:46px}
.btn.line{background:transparent;color:var(--navy);border:1.5px solid var(--navy)}