:root {
  --bg: #0f1216; --panel: #171c22; --panel2: #1e242c; --line: #2c343d;
  --fg: #e7e2e6; --muted: #a9b0b8; --brand: #62d3e0; --brand2: #ffb86b;
  --ok: #7fd18b; --warn: #ffcc73; --err: #ff9b90; --stop: #ffb4ab;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg);
  font: 15px/1.6 -apple-system, "Helvetica Neue", "Noto Sans CJK SC", "Hiragino Sans", sans-serif; }
.nonprod { background: #4a1d1d; color: #ffd9d4; padding: 10px 16px; font-size: 14px; text-align: center; }
.hero { padding: 28px 20px 20px; border-bottom: 1px solid var(--line); }
.hero h1 { margin: 0 0 8px; font-size: 26px; }
.hero .sub { margin: 2px 0; color: var(--muted); font-size: 13px; }
.hero-badges { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px; }
.badge { border-radius: 999px; padding: 4px 12px; font-size: 12px; border: 1px solid var(--line); }
.badge-warn { background: #3a2a00; color: var(--warn); }
.badge-info { background: #0a2a52; color: #a8c8ff; }
.badge-stop { background: #40201d; color: var(--stop); }
main { max-width: 1200px; margin: 0 auto; padding: 0 20px 60px; }
section { margin-top: 40px; }
section h2 { font-size: 20px; border-left: 4px solid var(--brand); padding-left: 10px; }
section h3 { font-size: 16px; margin: 18px 0 8px; }
.note { color: var(--muted); font-size: 13px; }
.disclaimers { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 24px; }
.callout { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.callout h2 { font-size: 15px; border: 0; padding: 0; margin: 0 0 6px; }
.callout-danger { border-color: #7a3a33; background: #241312; }
code { background: #0b0e12; padding: 1px 5px; border-radius: 4px; font-size: 12px; }
.twocol { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 900px) { .twocol, .disclaimers { grid-template-columns: 1fr; } }
.demo { display: grid; grid-template-columns: 380px 1fr; gap: 24px; align-items: start; margin-top: 12px; }
@media (max-width: 900px) { .demo { grid-template-columns: 1fr; } }
.demo-phone { background: #000; border: 10px solid #222; border-radius: 26px; overflow: hidden; }
.demo-statusbar { display: flex; justify-content: space-between; padding: 6px 12px; font-size: 11px; color: #9aa; background: #111; }
.demo-phone img { display: block; width: 100%; background: #111; min-height: 240px; }
.demo-nav { display: grid; grid-template-columns: repeat(4, 1fr); background: #14181d; border-top: 1px solid #2c343d; }
.nav-item { background: none; border: 0; color: #cfd6dd; padding: 8px 2px; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: 16px; }
.nav-item span { font-size: 11px; }
.nav-item.active { color: var(--brand); }
.demo-controls fieldset { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; margin: 0 0 14px; }
.demo-controls legend { color: var(--muted); font-size: 12px; padding: 0 4px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { background: var(--panel2); color: var(--fg); border: 1px solid var(--line);
  border-radius: 999px; padding: 6px 14px; cursor: pointer; font-size: 13px; }
.chip.active { background: #00505c; border-color: var(--brand); color: #c4e9ee; }
.sos { position: relative; width: 88px; height: 88px; border-radius: 50%; border: 3px solid #ff9b90;
  background: #6e0f0a; color: #fff; font-weight: 700; cursor: pointer; overflow: hidden; }
.sos-ring { position: absolute; inset: -3px; border-radius: 50%; border: 4px solid transparent;
  border-top-color: #ff9b90; opacity: 0; transition: opacity .2s; }
.sos.holding .sos-ring { opacity: 1; animation: spin 1.5s linear forwards; }
@keyframes spin { from { transform: rotate(0); } to { transform: rotate(1080deg); } }
.hint, .meta { color: var(--muted); font-size: 12px; }
.set-summary { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.set-pill { background: var(--panel); border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; font-size: 12px; }
.set-block { margin-top: 22px; }
.set-block > h3 { margin-bottom: 4px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 12px; margin-top: 10px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.card img, .card video { display: block; width: 100%; background: #000; }
.card .body { padding: 8px 10px; font-size: 11px; color: var(--muted); word-break: break-all; }
.card .body b { color: var(--fg); display: block; font-size: 12px; margin-bottom: 2px; }
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th, .tbl td { border: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
.tbl th { background: var(--panel2); }
.ok { color: var(--ok); } .partial { color: var(--warn); } .blocked { color: var(--err); }
.counts { list-style: none; padding: 0; }
.counts li { margin: 4px 0; }
.sev { display: inline-block; width: 34px; text-align: center; border-radius: 6px; font-size: 12px; margin-right: 6px; }
.p0 { background: #40201d; color: var(--err); } .p1 { background: #3a2a00; color: var(--warn); }
.p2 { background: #0a2a52; color: #a8c8ff; }
.before-after { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 12px; }
@media (max-width: 700px) { .before-after { grid-template-columns: 1fr; } }
.ba-side { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 10px; }
.ba-side img { width: 100%; border-radius: 6px; background: #000; }
.ba-side .lbl { font-size: 12px; color: var(--muted); margin-bottom: 6px; }
details { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; margin-top: 12px; }
summary { cursor: pointer; }
pre.doc { white-space: pre-wrap; word-break: break-word; font-size: 12px; max-height: 460px; overflow: auto; }
.tabbar { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0; }
.tabbar button { background: var(--panel2); color: var(--fg); border: 1px solid var(--line); border-radius: 8px; padding: 6px 12px; cursor: pointer; }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; padding: 18px 20px 40px; text-align: center; }