/* 产品发布页共用样式；配色沿用 app.unwall.ai 内测落地页。 */
:root {
  --bg: #fbfaf8;
  --surface: #ffffff;
  --border: #e6e2db;
  --text: #1c1a17;
  --muted: #6d6659;
  --accent: #7a5c3e;
  --accent-text: #ffffff;
  --danger: #a3372c;
  --ok: #3d6b4a;
  --prod: #3d6b4a;
  --prod-soft: #e7f0e9;
  --beta: #9a6a12;
  --beta-soft: #f8efdc;
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171614;
    --surface: #201e1b;
    --border: #35312b;
    --text: #ece8e1;
    --muted: #9b9386;
    --accent: #c9a074;
    --accent-text: #201e1b;
    --danger: #e08b7f;
    --ok: #8ec49d;
    --prod: #8ec49d;
    --prod-soft: #24302a;
    --beta: #e3b562;
    --beta-soft: #332a1b;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 0 16px calc(48px + env(safe-area-inset-bottom));
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}
main { max-width: 640px; margin: 0 auto; }
header { padding: 36px 0 20px; }
h1 { margin: 0 0 6px; font-size: 26px; letter-spacing: -0.01em; }
.sub { margin: 0; color: var(--muted); font-size: 15px; }
nav { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
nav a {
  padding: 6px 12px; border: 1px solid var(--border); border-radius: 999px;
  color: var(--text); text-decoration: none; font-size: 14px; background: var(--surface);
}
nav a[aria-current="page"] { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 14px;
}
h2 { margin: 0 0 12px; font-size: 18px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
h3 { margin: 16px 0 6px; font-size: 14px; color: var(--muted); font-weight: 600; letter-spacing: .04em; }
p { margin: 0 0 8px; }
.hint { color: var(--muted); font-size: 14px; }
dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; font-size: 15px; }
dt { color: var(--muted); white-space: nowrap; }
dd { margin: 0; text-align: right; overflow-wrap: anywhere; }
ul, ol { margin: 0; padding-left: 20px; }
li { margin-bottom: 6px; }
li:last-child { margin-bottom: 0; }
.badge {
  display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 600;
  letter-spacing: .02em; white-space: nowrap;
}
.badge.prod { color: var(--prod); background: var(--prod-soft); }
.badge.beta { color: var(--beta); background: var(--beta-soft); }
.badge.plain { color: var(--muted); border: 1px solid var(--border); }
.focus {
  margin-top: 12px; padding: 12px 14px; border-radius: 10px;
  background: var(--beta-soft); border-left: 3px solid var(--beta);
}
.focus h3 { margin-top: 0; color: var(--beta); }
.release { padding-top: 14px; margin-top: 14px; border-top: 1px solid var(--border); }
.release:first-of-type { padding-top: 0; margin-top: 0; border-top: 0; }
.release-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.release-title { font-weight: 600; }
.version { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; color: var(--muted); }
.meta { display: flex; gap: 6px; flex-wrap: wrap; margin: 6px 0 8px; }
form { margin: 12px 0 0; }
label { display: block; font-size: 14px; color: var(--muted); margin-bottom: 8px; }
input {
  width: 100%; padding: 14px 16px; font-size: 19px; letter-spacing: .12em;
  text-align: center; font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  border: 1px solid var(--border); border-radius: 10px; background: var(--bg); color: var(--text);
}
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.button {
  display: block; width: 100%; margin-top: 12px; padding: 14px; font-size: 17px; font-weight: 600;
  border: 0; border-radius: 10px; background: var(--accent); color: var(--accent-text);
  cursor: pointer; font-family: inherit; text-align: center; text-decoration: none;
}
.button[disabled], .button[aria-disabled="true"] { opacity: .5; cursor: default; pointer-events: none; }
.msg { margin-top: 12px; font-size: 14px; }
.msg.err { color: var(--danger); }
.msg.ok { color: var(--ok); }
details { margin-top: 10px; }
summary { cursor: pointer; color: var(--muted); font-size: 14px; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px;
       overflow-wrap: anywhere; display: block; margin-top: 6px; color: var(--muted); }
.grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
.grid > section { margin-bottom: 0; }
@media (min-width: 600px) { .grid.two { grid-template-columns: 1fr 1fr; } }
.grid + section, .grid + .grid { margin-top: 14px; }
a.more { display: inline-block; margin-top: 10px; color: var(--accent); font-size: 14px; }
footer { text-align: center; color: var(--muted); font-size: 13px; padding-top: 8px; }
[hidden] { display: none !important; }