:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --text: #1c2433;
  --muted: #5b6678;
  --line: #e3e8ef;
  --brand: #1f6feb;
  --brand-dark: #1557c0;
  --brand-soft: #e8f0fe;
  --ok: #18864b;
  --warn: #b26a00;
  --danger: #c4314b;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 4px 16px rgba(16, 24, 40, .06);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Segoe UI", sans-serif;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.3; margin: 0 0 .6em; }
p { margin: 0 0 1em; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

/* 顶部 */
.site-header { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 12px; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 18px; }
.logo:hover { text-decoration: none; }
.logo svg { flex: none; }
.nav { display: flex; gap: 20px; font-size: 15px; }
.nav a { color: var(--muted); }
.nav a:hover { color: var(--brand); text-decoration: none; }

/* 首屏 */
.hero { background: linear-gradient(180deg, #ffffff 0%, var(--bg) 100%); padding: 64px 0 40px; }
.hero h1 { font-size: clamp(28px, 5vw, 42px); }
.hero p.lead { font-size: 18px; color: var(--muted); max-width: 640px; }
.hero .actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.badges { display: flex; gap: 8px 20px; flex-wrap: wrap; margin-top: 28px; color: var(--muted); font-size: 14px; }
.badges span::before { content: "✓"; color: var(--ok); margin-right: 6px; font-weight: 700; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 22px; border-radius: 8px; border: 1px solid transparent;
  font-size: 15px; font-weight: 600; cursor: pointer; text-decoration: none; line-height: 1.4;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); }
.btn-ghost { background: var(--surface); color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn-danger { background: var(--surface); color: var(--danger); border-color: var(--danger); }
.btn-block { width: 100%; padding: 13px; font-size: 16px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* 区块 */
.section { padding: 48px 0; }
.section-title { text-align: center; margin-bottom: 32px; }
.section-title p { color: var(--muted); }

.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow);
}
.service-card { display: flex; flex-direction: column; }
.service-card .icon { width: 44px; height: 44px; border-radius: 10px; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; margin-bottom: 14px; }
.service-card h3 { font-size: 19px; }
.service-card p { color: var(--muted); font-size: 15px; flex: 1; }
.service-card .foot { display: flex; align-items: center; justify-content: space-between; margin-top: 8px; }
.price { color: var(--danger); font-weight: 700; font-size: 22px; }
.price small { font-size: 14px; color: var(--muted); font-weight: 400; }
.tag { display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 999px; background: var(--brand-soft); color: var(--brand); }

.steps { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); counter-reset: step; }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.step::before { counter-increment: step; content: counter(step); display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--brand); color: #fff; font-weight: 700; margin-bottom: 10px; }
.step h3 { font-size: 17px; }
.step p { color: var(--muted); font-size: 14px; margin: 0; }

.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 14px 18px; margin-bottom: 10px; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq details p { margin: 10px 0 0; color: var(--muted); }

/* 详情页 */
.detail { display: grid; gap: 24px; grid-template-columns: 1fr 360px; padding: 32px 0 48px; align-items: start; }
.detail ul.check { padding: 0; list-style: none; }
.detail ul.check li { padding-left: 26px; position: relative; margin-bottom: 8px; }
.detail ul.check li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 700; }
.note { background: #fff8e6; border: 1px solid #f3dfae; color: #6b4e00; border-radius: 8px; padding: 10px 14px; font-size: 14px; }
.crumbs { font-size: 14px; color: var(--muted); padding-top: 20px; }

form .field { margin-bottom: 14px; }
form label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
form input[type=text], form input[type=number], form input[type=tel], form textarea, form select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px;
  font: inherit; font-size: 15px; background: #fff; color: var(--text);
}
form input:focus, form textarea:focus, form select:focus { outline: 2px solid var(--brand-soft); border-color: var(--brand); }
form .hint { font-size: 13px; color: var(--muted); margin-top: 4px; }
.agree { display: flex; gap: 8px; align-items: flex-start; font-size: 14px; color: var(--muted); }
.agree input { margin-top: 5px; }

/* 订单 / 收银台 */
.narrow { max-width: 560px; margin: 32px auto 48px; }
.kv { width: 100%; border-collapse: collapse; font-size: 15px; }
.kv th, .kv td { padding: 10px 0; border-bottom: 1px dashed var(--line); text-align: left; vertical-align: top; }
.kv th { color: var(--muted); font-weight: 400; width: 110px; }
.amount-big { font-size: 34px; font-weight: 700; color: var(--danger); text-align: center; margin: 8px 0 20px; }
.status { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 13px; font-weight: 600; }
.status-pending { background: #fff4e0; color: var(--warn); }
.status-paid { background: #e3f5ea; color: var(--ok); }
.status-done { background: var(--brand-soft); color: var(--brand); }
.status-refunded, .status-closed { background: #eef0f3; color: var(--muted); }
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 15px; }
.alert-ok { background: #e3f5ea; color: #135c34; }
.alert-warn { background: #fff4e0; color: #6b4e00; }
.alert-err { background: #fdecef; color: #8a1f33; }

/* 文本页 */
.doc { max-width: 820px; margin: 32px auto 48px; }
.doc h2 { font-size: 20px; margin-top: 1.6em; }
.doc li { margin-bottom: 6px; }

/* 后台 */
.table-wrap { overflow-x: auto; }
table.list { width: 100%; border-collapse: collapse; font-size: 14px; background: var(--surface); }
table.list th, table.list td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
table.list th { background: #f0f3f8; font-weight: 600; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.filters a { padding: 4px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--muted); font-size: 14px; }
.filters a.on { background: var(--brand); border-color: var(--brand); color: #fff; }
.row-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.row-actions form { margin: 0; }

/* 底部 */
.site-footer { background: #1c2433; color: #aab3c2; font-size: 14px; padding: 36px 0 24px; margin-top: 24px; }
.site-footer a { color: #d5dbe5; }
.site-footer .cols { display: grid; gap: 24px; grid-template-columns: 2fr 1fr 1fr; }
.site-footer h4 { color: #fff; margin: 0 0 10px; font-size: 15px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 6px; }
.site-footer .legal { border-top: 1px solid #2e3849; margin-top: 24px; padding-top: 16px; display: flex; flex-wrap: wrap; gap: 6px 20px; justify-content: center; text-align: center; }

@media (max-width: 760px) {
  .nav { gap: 14px; font-size: 14px; }
  .nav .hide-sm { display: none; }
  .hero { padding: 40px 0 28px; }
  .detail { grid-template-columns: 1fr; }
  .site-footer .cols { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr; }
}