:root{
  --bg:#f4f5f7; --panel:#ffffff; --line:#e4e7ec; --ink:#191d24; --muted:#68707d;
  --red:#d9232e; --red-deep:#8f1420; --gold:#c9a227; --dark:#12131a;
  --ok:#1a9e5c; --warn:#d97706;
  --shadow:0 1px 3px rgba(16,24,40,.08),0 1px 2px rgba(16,24,40,.04);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background:var(--bg); color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,"Segoe UI",sans-serif;
  font-size:14px; line-height:1.6;
}
h1{font-size:19px;letter-spacing:.5px}
h2{font-size:17px;margin-bottom:6px}
h3{font-size:13px;color:var(--muted);font-weight:600;margin-bottom:10px;letter-spacing:.3px}
.en{font-size:12px;color:var(--muted);font-weight:400;margin-left:6px}
.hidden{display:none!important}

/* ---------- 顶栏 ---------- */
.topbar{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:12px 22px;background:var(--panel);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:50;
}
.brand{display:flex;align-items:center;gap:12px}
.logo{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--red),var(--red-deep));color:#fff;font-size:19px;
  box-shadow:var(--shadow);
}
.tagline{font-size:12px;color:var(--muted)}
.badge-row{display:flex;gap:8px;flex-wrap:wrap}
.badge{font-size:11px;padding:4px 10px;border-radius:99px;border:1px solid var(--line);background:#fafbfc;color:var(--muted)}
.badge-local{border-color:#bfe3d0;background:#eefaf3;color:var(--ok)}
.badge-eth{border-color:#f3d9a8;background:#fdf6e9;color:var(--warn)}

/* ---------- 布局 ---------- */
.layout{display:grid;grid-template-columns:210px 1fr;gap:18px;max-width:1440px;margin:18px auto;padding:0 18px;align-items:start}
.steps{position:sticky;top:76px;display:flex;flex-direction:column;gap:6px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:12px;box-shadow:var(--shadow)}
.step{display:flex;gap:10px;align-items:center;padding:9px 10px;border-radius:10px;color:var(--muted);cursor:default;transition:.15s}
.step .num{width:22px;height:22px;border-radius:50%;background:#eef0f3;display:grid;place-items:center;font-size:12px;font-weight:700;flex:none}
.step b{display:block;font-size:13px;color:inherit}
.step i{font-style:normal;font-size:11px;opacity:.75}
.step.active{background:#fdeef0;color:var(--red-deep)}
.step.active .num{background:var(--red);color:#fff}
.step.done{color:var(--ink)}
.step.done .num{background:var(--ok);color:#fff}
.steps-foot{margin-top:8px;padding-top:10px;border-top:1px dashed var(--line);font-size:11px;color:var(--muted)}

.content{min-height:70vh}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px 22px;box-shadow:var(--shadow)}
.hint{font-size:12.5px;color:var(--muted);margin-bottom:14px}
.hint-inline{font-size:11.5px;color:var(--muted);font-weight:400;margin-left:8px}

/* ---------- 卡片与控件 ---------- */
.card{background:#fafbfc;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:14px}
.row{display:flex;justify-content:space-between;font-size:12.5px;padding:4px 0;border-bottom:1px dashed #eef0f3}
.row:last-child{border-bottom:none}
.row b{font-weight:600}
.btn{
  display:inline-block;border:1px solid var(--line);background:#fff;color:var(--ink);
  padding:8px 16px;border-radius:9px;font-size:13px;cursor:pointer;transition:.15s;font-family:inherit;
}
.btn:hover{border-color:#c9ced6;background:#f6f7f9}
.btn.primary{background:var(--red);border-color:var(--red);color:#fff}
.btn.primary:hover{background:var(--red-deep)}
.btn.danger{background:#fff;border-color:var(--red);color:var(--red)}
.btn.danger:hover{background:#fdeef0}
.btn.ghost{background:transparent;color:var(--muted)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-col{display:flex;flex-direction:column;gap:8px;margin-top:4px}
.btn-col.row-end{flex-direction:row;justify-content:flex-end;margin-top:6px}
.select{width:100%;padding:7px 10px;border:1px solid var(--line);border-radius:8px;font-size:13px;background:#fff;font-family:inherit}
.chk{display:flex;gap:8px;align-items:center;font-size:12.5px;color:var(--muted);cursor:pointer}
.fld{display:block;font-size:12.5px;color:var(--muted);margin:10px 0}
.fld input[type=range]{width:100%;margin-top:6px;accent-color:var(--red)}

/* ---------- 同意 ---------- */
.consent-box p{margin-bottom:10px}
.consent-box ul{margin:10px 0 14px 18px}
.consent-box li{margin-bottom:6px;font-size:13px}
.agree{display:flex;gap:8px;align-items:center;font-weight:600;margin-bottom:14px;cursor:pointer}

/* ---------- 采集 ---------- */
.cap-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:14px;margin-bottom:14px}
.cap-video-wrap{position:relative;border-radius:12px;overflow:hidden;background:var(--dark);aspect-ratio:4/3}
#cam-video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}
#cam-overlay{position:absolute;inset:0;width:100%;height:100%}
.cap-status{position:absolute;left:10px;bottom:10px;background:rgba(0,0,0,.55);color:#fff;font-size:11.5px;padding:4px 10px;border-radius:99px}
.meter-wrap{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);margin-top:8px}
.meter{flex:1;height:8px;background:#eceff3;border-radius:99px;overflow:hidden}
.meter-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--ok),var(--gold),var(--red));transition:width .08s}
.live-metrics{display:grid;grid-template-columns:1fr 1fr;gap:6px 14px}
.lm{font-size:11.5px;color:var(--muted)}
.lm .bar{height:6px;background:#eceff3;border-radius:99px;margin-top:3px;overflow:hidden}
.lm .bar i{display:block;height:100%;background:var(--red);width:0%;transition:width .15s}
.transcript{min-height:88px;max-height:160px;overflow-y:auto;font-size:13px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px 12px;color:#3a414b}

/* ---------- 信号 ---------- */
.sig-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:14px}
.dim-bars{display:flex;flex-direction:column;gap:9px}
.dim{font-size:12.5px}
.dim .top{display:flex;justify-content:space-between;margin-bottom:3px}
.dim .top b{font-weight:600;font-variant-numeric:tabular-nums}
.dim .bar{height:9px;background:#eceff3;border-radius:99px;overflow:hidden}
.dim .bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#e8a0a6,var(--red));transition:width .3s}
.att-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;width:170px}
.att-cell{aspect-ratio:1;background:#eef0f3;border-radius:6px;transition:background .3s}
.kw-list{display:flex;flex-wrap:wrap;gap:6px}
.kw{font-size:12px;padding:3px 10px;border-radius:99px;background:#fdeef0;color:var(--red-deep);border:1px solid #f3c9ce}
.kw.n{background:#eefaf3;color:var(--ok);border-color:#bfe3d0}
.arch-rank{display:flex;flex-direction:column;gap:8px}
.ar{display:grid;grid-template-columns:34px 1fr 46px;gap:10px;align-items:center;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:13px}
.ar.top{border-color:var(--red);background:#fdeef0}
.ar .rk{font-size:16px;font-weight:800;color:var(--muted);text-align:center}
.ar.top .rk{color:var(--red)}
.ar small{display:block;color:var(--muted);font-size:11px}
.ar .pct{font-weight:700;text-align:right;font-variant-numeric:tabular-nums}
.arch-note{font-size:12.5px;color:var(--muted);margin-top:10px}

/* ---------- 宫殿 ---------- */
.palace-grid{display:grid;grid-template-columns:1fr 300px;gap:14px}
.palace-stage{position:relative;border-radius:12px;overflow:hidden;background:var(--dark);aspect-ratio:16/9}
#palace-canvas{width:100%;height:100%;display:block}
.palace-overlay{
  position:absolute;left:0;right:0;bottom:0;padding:26px 22px 16px;
  background:linear-gradient(transparent,rgba(0,0,0,.78));
  color:#fff;font-size:16.5px;line-height:1.5;letter-spacing:.3px;text-shadow:0 1px 3px rgba(0,0,0,.6);
  min-height:64px;
}
.palace-title{
  position:absolute;top:12px;left:16px;color:#fff;font-size:12px;letter-spacing:2px;
  background:rgba(0,0,0,.4);padding:4px 12px;border-radius:99px;border:1px solid rgba(255,255,255,.25);
}
.palace-side .card{margin-bottom:12px}
.arch-desc{font-size:12px;color:var(--muted);margin-top:8px;min-height:34px}
.rec-status{font-size:12px;color:var(--red);margin-top:8px;min-height:18px}
.slider-row{display:grid;grid-template-columns:88px 1fr 34px;gap:8px;align-items:center;font-size:12px;color:var(--muted);margin-bottom:7px}
.slider-row input{accent-color:var(--red)}
.slider-row b{text-align:right;font-variant-numeric:tabular-nums;color:var(--ink)}

/* ---------- 导出 ---------- */
.exp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:14px}
.exp-grid .card{display:flex;flex-direction:column;gap:8px}
.exp-grid .btn{width:100%}
#report-preview{width:100%;height:420px;border:1px solid var(--line);border-radius:10px;background:#fff}

.foot{max-width:1440px;margin:0 auto 26px;padding:0 20px;font-size:11.5px;color:var(--muted)}

@media (max-width:1080px){
  .layout{grid-template-columns:1fr}
  .steps{position:static;flex-direction:row;flex-wrap:wrap}
  .steps-foot{display:none}
  .cap-grid,.sig-grid,.palace-grid,.exp-grid{grid-template-columns:1fr}
}