:root {
  --ink: #22262e;
  --muted: #6e7480;
  --line: #e1e2e6;
  --bg: #f6f6f3;
  --card: #ffffff;
  --navy: #1f2a44;
  --accent: #b85c22;
  --accent-soft: #f6e8de;
  --danger: #c0392b;
  --ok: #2d7a4f;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
}
a { color: var(--navy); }
.wrap { max-width: 640px; margin: 0 auto; padding: 16px 16px 48px; }
.hero { background: var(--navy); color: #fff; padding: 28px 16px 24px; }
.hero .wrap { padding-top: 0; padding-bottom: 0; }
.hero h1 { margin: 0 0 6px; font-size: 28px; letter-spacing: 1px; }
.hero p { margin: 0; color: #bfc6d8; font-size: 15px; }
.hero .tag { display: inline-block; margin-top: 10px; padding: 2px 10px; border: 1px solid #5a6a90; border-radius: 999px; font-size: 12px; color: #cfd6e8; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-top: 14px; }
.card h2 { margin: 0 0 10px; font-size: 17px; }
.steps { display: flex; gap: 8px; margin: 14px 0 0; padding: 0; list-style: none; }
.steps li { flex: 1; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px 8px; font-size: 13px; color: var(--muted); text-align: center; }
.steps li b { display: block; color: var(--ink); font-size: 15px; margin-bottom: 2px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px; background: #fff; font-size: 15px; cursor: pointer; }
.chip.on { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.pick { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.pick .slot { position: relative; aspect-ratio: 1; border: 1.5px dashed var(--line); border-radius: 10px; background: #fafafa; overflow: hidden; display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: 13px; cursor: pointer; }
.pick .slot img { width: 100%; height: 100%; object-fit: cover; }
.pick .slot .x { position: absolute; top: 4px; right: 4px; width: 24px; height: 24px; border-radius: 50%; background: rgba(0,0,0,.55); color: #fff; font-size: 14px; line-height: 24px; text-align: center; }
.hint { color: var(--muted); font-size: 13px; margin: 8px 0 0; }
.order-line { font-size: 15px; }
#jsapi-box, #native-box { margin-top: 22px; }
.consent label { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; margin: 10px 0; }
.consent input { margin-top: 4px; flex: none; width: 18px; height: 18px; }
.btn { display: block; width: 100%; padding: 14px; border: 0; border-radius: 10px; background: var(--navy); color: #fff; font-size: 17px; font-weight: 600; cursor: pointer; }
.btn[disabled] { opacity: .5; cursor: default; }
.btn.secondary { background: #fff; color: var(--navy); border: 1px solid var(--navy); }
.btn.wx { background: #07c160; }
.price-note { text-align: center; color: var(--muted); font-size: 13px; margin: 10px 0 0; }
.msg { padding: 12px 14px; border-radius: 10px; font-size: 14px; margin-top: 12px; display: none; }
.msg.show { display: block; }
.msg.err { background: #fdecea; color: var(--danger); }
.msg.ok { background: #e8f5ee; color: var(--ok); }
.msg.info { background: #eef1f8; color: var(--navy); }
.center { text-align: center; }
.qr { width: 240px; height: 240px; margin: 12px auto; display: block; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.spinner { width: 36px; height: 36px; border: 4px solid var(--line); border-top-color: var(--navy); border-radius: 50%; margin: 18px auto; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.big-price { font-size: 44px; font-weight: 700; margin: 12px 0 0; letter-spacing: -1px; }
.range { font-size: 20px; color: var(--ink); margin: 10px 0 0; }
.range + .label { margin-top: 8px; }
.label { color: var(--muted); font-size: 13px; }
.bar { height: 10px; background: #e4e6ec; border-radius: 999px; overflow: hidden; margin-top: 6px; }
.bar i { display: block; height: 100%; background: var(--navy); }
.list { margin: 6px 0 0; padding-left: 18px; }
.list li { margin: 4px 0; }
.result-img { width: 100%; border-radius: 10px; border: 1px solid var(--line); display: block; }
.disclaimer { font-size: 12px; color: var(--muted); line-height: 1.6; }
.meta { font-size: 12px; color: var(--muted); }
.footer { margin-top: 28px; text-align: center; font-size: 12px; color: var(--muted); }
.footer a { color: var(--muted); margin: 0 6px; }
.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: 13px; }
.countdown { font-variant-numeric: tabular-nums; }
.legal h1 { font-size: 22px; }
.legal h2 { font-size: 17px; margin-top: 22px; }
.legal table { width: 100%; border-collapse: collapse; font-size: 13px; }
.legal th, .legal td { border: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
.legal .back { margin-top: 28px; }
.icp { margin: 6px 0 0; }
.icp a { color: var(--muted); text-decoration: none; }
.cert-card h2 .pill { margin-left: 6px; vertical-align: 2px; }
.cert-fields { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; font-size: 14px; }
.cert-fields dt { color: var(--muted); white-space: nowrap; }
.cert-fields dd { margin: 0; font-weight: 600; overflow-wrap: anywhere; }
.pick .slot.cert { border: 1.5px solid var(--accent); cursor: default; }
.pick .slot.cert .tag { position: absolute; left: 0; right: 0; bottom: 0; background: rgba(184,92,34,.85); color: #fff; font-size: 11px; text-align: center; padding: 2px 0; }
.cert-line { margin: 10px 0 0; font-size: 13px; color: var(--muted); }
form > .btn { margin-top: 22px; }
.lightbox { position: fixed; inset: 0; z-index: 50; background: rgba(0,0,0,.92); display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 16px; }
.lightbox[hidden] { display: none; }
.lightbox img { max-width: 100%; max-height: 78vh; border-radius: 6px; }
.lightbox p { color: #fff; font-size: 15px; margin: 14px 0 10px; text-align: center; }
.lightbox .btn { width: auto; padding: 10px 28px; background: transparent; color: #fff; border-color: #fff; }

/* 先算后付：证书来的访客先看打码区间 */
.preview-card { text-align: center; padding-top: 20px; }
.preview-card .photo { width: 132px; height: 132px; object-fit: cover; border-radius: 12px; border: 1px solid var(--line); background: #fff; }
.preview-card .brief { margin: 10px 0 0; font-size: 15px; color: var(--muted); }
.preview-card .status { margin: 14px 0 4px; color: var(--muted); font-size: 14px; }
.preview-card .masked { font-size: 34px; font-weight: 700; margin: 6px 0 0; letter-spacing: 1px; color: var(--ink); }
.preview-card .masked b { filter: blur(6px); user-select: none; font-weight: 700; }
.preview-card .tier { margin-top: 8px; }
.preview-card .lock { display: inline-block; margin: 6px 0 0; color: var(--muted); font-size: 13px; }
.preview-card .btn { margin-top: 16px; }
.preview-card .consent-mini { text-align: left; margin-top: 12px; }
.preview-card .consent-mini label { font-size: 12px; color: var(--muted); margin: 6px 0; }
.preview-card .consent-mini input { width: 16px; height: 16px; margin-top: 2px; }
.preview-card .alt { margin-top: 12px; font-size: 13px; }
.preview-card .alt a { color: var(--muted); }
.preview-card .pv-text { text-align: left; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); }
.preview-card .pv-text h3 { margin: 0 0 8px; font-size: 16px; }
.preview-card .pv-text p { margin: 0; font-size: 15px; line-height: 1.6; }
.preview-card .pv-text .label { margin-top: 12px; }
.preview-card .pv-text .list { margin: 6px 0 0; padding-left: 20px; font-size: 14px; line-height: 1.6; }