:root{
  --paper:#fbf6ec; --ink:#2b2b2b; --ink2:#6b6157; --line:#e2d8c8;
  --red:#b03a2e; --green:#5f7d5b; --gold:#a9822c; --white:#fffdf8;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;background:var(--paper);color:var(--ink)}
body{font:17px/1.65 -apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  padding-bottom:64px;padding-top:52px}
a{color:var(--red);text-decoration:none}

#topbar{position:fixed;top:0;left:0;right:0;height:52px;background:var(--white);
  border-bottom:1px solid var(--line);display:flex;flex-direction:column;
  justify-content:center;padding:0 14px;z-index:20}
.tb-title{font-size:17px;font-weight:600;letter-spacing:1px}
.tb-sub{font-size:12px;color:var(--ink2);line-height:1.2}

main{padding:12px}
.loading{text-align:center;color:var(--ink2);padding:40px 0}
.card{background:var(--white);border:1px solid var(--line);border-radius:10px;
  padding:14px;margin-bottom:12px}
.card h3{margin:0 0 10px;font-size:16px;font-weight:600}
.muted{color:var(--ink2);font-size:14px}
.small{font-size:13px}
.center{text-align:center}
.row{display:flex;gap:8px}
.row>*{flex:1}
hr{border:0;border-top:1px solid var(--line);margin:12px 0}

.btn{display:block;width:100%;padding:13px 12px;border-radius:8px;border:1px solid var(--line);
  background:var(--white);color:var(--ink);font-size:17px;font-family:inherit;
  text-align:center;cursor:pointer}
.btn.primary{background:var(--red);border-color:var(--red);color:#fff}
.btn.ghost{background:transparent}
.btn:active{opacity:.75}
.btn.sm{padding:8px 10px;font-size:14px;border-radius:6px}

.field{margin-bottom:10px}
.field label{display:block;font-size:13px;color:var(--ink2);margin-bottom:4px}
.field input,.field select,.field textarea{width:100%;padding:11px 10px;font-size:17px;
  border:1px solid var(--line);border-radius:8px;background:#fff;font-family:inherit;
  color:var(--ink)}
.field textarea{min-height:64px;resize:vertical}

.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{padding:8px 14px;border:1px solid var(--line);border-radius:20px;
  background:#fff;font-size:15px;cursor:pointer;color:var(--ink)}
.chip.on{background:var(--red);border-color:var(--red);color:#fff}

.out{margin-top:12px}
.vwrap{display:flex;flex-direction:row-reverse;justify-content:flex-start;gap:10px;
  background:var(--paper);border:1px solid var(--line);border-radius:8px;
  padding:14px 12px;min-height:96px}
.vcol{writing-mode:vertical-rl;text-orientation:upright;letter-spacing:4px;
  font-family:"Kaiti SC",KaiTi,STKaiti,serif;font-size:22px;line-height:1.5}
.schemebar{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}
.schemebar .chip{font-size:14px;padding:6px 12px}

.warn{background:#fdf3e7;border:1px solid #e8d3ae;color:#8a5a12;
  border-radius:8px;padding:10px;font-size:14px;margin-top:10px}

svg.paperfig{width:100%;height:auto;display:block;background:#fff;
  border:1px solid var(--line);border-radius:8px}
.calcbox{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:15px;margin-top:8px}
.calcbox b{color:var(--red);font-weight:600}

/* 存图浮层: 微信里只能长按保存, 所以图要够大够清楚 */
.savebox{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;
  display:flex;align-items:center;justify-content:center}
.savebox-mask{position:absolute;top:0;right:0;bottom:0;left:0;
  background:rgba(0,0,0,.78)}
.savebox-card{position:relative;width:92%;max-width:520px;background:#fff;
  border-radius:12px;padding:12px;box-sizing:border-box}
.savebox-tip{font-size:14px;color:var(--ink2);margin-bottom:8px;text-align:center}
.savebox-img{max-height:62vh;overflow:auto;background:#f7f3ea;border-radius:8px}
.savebox-img{-webkit-overflow-scrolling:touch}
.savebox-img img{width:100%;display:block;border-radius:8px;
  -webkit-touch-callout:default;-webkit-user-select:auto;user-select:auto}
.savebox-act{display:flex;gap:10px;margin-top:10px;justify-content:center;flex-wrap:wrap}

.grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grid figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:8px;
  overflow:hidden}
.grid img{width:100%;height:150px;object-fit:cover;display:block;background:#eee}
.grid figcaption{padding:6px 8px;font-size:13px;color:var(--ink2)}

.deadline{display:flex;align-items:center;gap:10px;
  background:#fdf3e7;border:1px solid #e8d3ae;border-radius:8px;padding:10px 12px;
  font-size:15px;color:#8a5a12;margin-bottom:12px}
.deadline b{font-size:20px;color:var(--red)}

.tabbar{position:fixed;bottom:0;left:0;right:0;height:56px;display:flex;
  background:var(--white);border-top:1px solid var(--line);z-index:20}
.tabbar a{flex:1;display:flex;align-items:center;justify-content:center;
  color:var(--ink2);font-size:15px;font-weight:400}
.tabbar a.on{color:var(--red);font-weight:600}

.toast{position:fixed;left:50%;bottom:88px;transform:translateX(-50%);
  background:rgba(43,43,43,.92);color:#fff;padding:10px 18px;border-radius:20px;
  font-size:15px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:50;
  max-width:80%;text-align:center}
.toast.show{opacity:1}
.tabbar a b{font-weight:inherit}

.tip{font-size:13px;color:var(--ink2);line-height:1.6}
.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:12px;
  background:#eee;color:var(--ink2)}
.badge.on{background:#e6f0e4;color:var(--green)}
.badge.off{background:#f7e6e4;color:var(--red)}


.spec{display:grid;grid-template-columns:auto 1fr;gap:6px 12px;margin:0;
  font-size:15px;line-height:1.5}
.spec dt{color:var(--ink2);white-space:nowrap}
.spec dd{margin:0}
.sealbox{display:flex;gap:14px;align-items:flex-start;margin-top:12px;
  flex-wrap:wrap}
.sealcell{display:flex;flex-direction:column;align-items:center;gap:4px;
  font-size:12px;color:var(--ink2)}
.sealsq{width:52px;height:52px;border:2px dashed var(--red);border-radius:3px;
  background:#fdf3f1}

@media print{
  #topbar,.tabbar,.toast,.btn{display:none!important}
  body{background:#fff;padding:0}
  .card{break-inside:avoid;border:1px solid #bbb;box-shadow:none}
}