/* ============================================================
   {{STORE_NAME}} — 数字商品小店 设计系统
   主色：深海军蓝 + 电光蓝，辅助：薄荷绿（成功/有货）、琥珀（促销）
   ============================================================ */

:root {
  --ink: #0a1730;
  --ink-2: #33415c;
  --ink-3: #5d6b85;
  --muted: #8492ab;
  --line: #e5eaf3;
  --line-soft: #eef2f8;
  --bg: #f6f8fc;
  --surface: #ffffff;
  --surface-2: #fbfcfe;

  --brand: #2e4bff;
  --brand-600: #2440e0;
  --brand-700: #1b32b4;
  --brand-soft: #eaefff;
  --mint: #00a97e;
  --mint-soft: #e3f7f0;
  --amber: #c2620a;
  --amber-soft: #fff3e6;
  --rose: #d63b4a;
  --rose-soft: #ffedee;
  --slate-soft: #f0f3f9;

  --radius-s: 8px;
  --radius: 14px;
  --radius-l: 20px;
  --shadow-s: 0 1px 2px rgba(16, 32, 66, 0.06), 0 1px 3px rgba(16, 32, 66, 0.05);
  --shadow: 0 4px 14px rgba(16, 32, 66, 0.07), 0 1px 3px rgba(16, 32, 66, 0.04);
  --shadow-l: 0 18px 40px -12px rgba(16, 32, 66, 0.22);

  --container: 1180px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  word-break: break-word;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { margin: 0; line-height: 1.3; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
strong { font-weight: 650; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }

/* ------------------------------ header ------------------------------ */

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 18px; height: 66px; position: relative; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 750; font-size: 17px; letter-spacing: -0.02em; }
.logo-mark {
  width: 32px; height: 32px; border-radius: 9px; flex: none;
  background: linear-gradient(140deg, #2e4bff, #7b2cff 55%, #00c2a8);
  display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 15px;
  box-shadow: 0 4px 12px rgba(46, 75, 255, 0.35);
}
.logo-img { width: 44px; height: 44px; border-radius: 12px; object-fit: cover; flex: none; box-shadow: 0 4px 14px rgba(46,75,255,.22); margin-right: 2px; }
.logo small { display: block; font-size: 11px; font-weight: 500; color: var(--muted); letter-spacing: 0.06em; }
.nav-links { display: flex; align-items: center; gap: 4px; position: absolute; left: 50%; transform: translateX(-50%); }
.nav-links a {
  padding: 8px 14px; border-radius: var(--radius-s); color: var(--ink-2);
  font-size: 14.5px; font-weight: 550;
}
.nav-links a:hover { background: var(--brand-soft); color: var(--brand-700); }
.nav-links a.is-active { color: var(--brand-700); background: var(--brand-soft); }
.nav-links .nav-links-lookup { display: none; }
.nav-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.nav-lookup {
  padding: 8px 12px; border-radius: var(--radius-s); color: var(--ink-2);
  font-size: 14.5px; font-weight: 600;
}
.nav-lookup:hover { background: var(--brand-soft); color: var(--brand-700); }
.nav-lookup.is-active { color: var(--brand-700); }
.lang-switch {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 5px 12px; border: 1px solid var(--line); border-radius: 999px;
  font-size: 12.5px; font-weight: 700; color: var(--ink-2); background: #fff;
}
.lang-switch:hover { border-color: var(--brand); color: var(--brand-700); }
.nav-icon {
  display: grid; place-items: center; width: 34px; height: 34px;
  border-radius: 9px; color: var(--ink-2);
}
.nav-icon:hover { background: var(--brand-soft); color: var(--brand-700); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 10px; padding: 7px 10px; cursor: pointer; }

/* ------------------------------ hero ------------------------------ */

.hero {
  position: relative; overflow: hidden;
  background: #fff; text-align: center; padding: 88px 0 84px;
  border-bottom: 1px solid var(--line-soft);
}
.hero::before, .hero::after {
  content: ''; position: absolute; border-radius: 50%; pointer-events: none;
}
.hero::before {
  width: 560px; height: 560px; right: -200px; top: -260px;
  background: radial-gradient(circle, rgba(46,75,255,.07), transparent 65%);
}
.hero::after {
  width: 460px; height: 460px; left: -180px; bottom: -300px;
  background: radial-gradient(circle, rgba(0,169,126,.06), transparent 65%);
}
.hero-inner { position: relative; z-index: 1; max-width: 820px; margin: 0 auto; }
.hero-tag {
  color: var(--brand); font-size: 15px; font-weight: 750; letter-spacing: .04em;
  margin-bottom: 16px;
}
.hero h1 { font-size: clamp(34px, 5.6vw, 56px); font-weight: 800; letter-spacing: -0.035em; color: var(--ink); }
.hero-sub { margin: 18px auto 0; font-size: clamp(15px, 1.7vw, 17.5px); color: var(--ink-3); max-width: 640px; line-height: 1.8; }
.hero-cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 26px; margin-top: 36px; }
.hero-link { color: var(--brand); font-size: 15.5px; font-weight: 650; }
.hero-link:hover { text-decoration: underline; }

/* ------------------------------ buttons ------------------------------ */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border-radius: 11px; border: 1px solid transparent;
  font-size: 15px; font-weight: 600; cursor: pointer; transition: .16s ease;
  font-family: inherit; white-space: nowrap;
}
.btn-primary { background: #fff; color: var(--ink); box-shadow: 0 6px 20px rgba(0,0,0,.18); }
.btn-primary:hover { transform: translateY(-1px); }
.btn-brand { background: var(--brand); color: #fff; box-shadow: 0 6px 18px rgba(46,75,255,.28); }
.btn-brand:hover { background: var(--brand-600); transform: translateY(-1px); }
.btn-brand[disabled] { background: #b9c2dd; box-shadow: none; cursor: not-allowed; }
.btn-outline { background: transparent; border-color: rgba(255,255,255,.35); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,.1); }
.btn-ghost { background: var(--surface); border-color: var(--line); color: var(--ink-2); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand-700); }
.btn-danger { background: var(--rose); color: #fff; }
.btn-sm { padding: 8px 14px; font-size: 13.5px; border-radius: 9px; }
.btn-block { width: 100%; }
.btn-lg { padding: 15px 26px; font-size: 16px; border-radius: 13px; }

/* ------------------------------ sections ------------------------------ */

.section { padding: 56px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 26px; }
.section-head h2 { font-size: 24px; font-weight: 700; }
.section-head p { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.section-head .more { color: var(--brand); font-size: 14px; font-weight: 600; }

.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

/* ------------------------------ cards ------------------------------ */

.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-l); box-shadow: var(--shadow-s);
  overflow: hidden; transition: .18s ease;
}
.card-hover:hover { transform: translateY(-3px); box-shadow: var(--shadow-l); border-color: #cfd9ef; }

.product-card { display: flex; flex-direction: column; padding: 14px 14px 16px; }
.pc-thumb {
  position: relative; background: #fff; border: 1px solid var(--slate-soft); border-radius: 14px; aspect-ratio: 4 / 3;
  overflow: hidden;
}
.pc-thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; transition: transform .25s ease; }
.product-card:hover .pc-thumb img { transform: scale(1.05); }
.pc-body { padding: 13px 4px 0; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.pc-tags { display: flex; gap: 10px; min-height: 17px; }
.pc-tag { font-size: 12px; font-weight: 700; letter-spacing: .01em; }
.pc-tag-sale { color: var(--amber); }
.pc-tag-auto { color: var(--brand-700); }
.pc-tag-out { color: #94a3b8; }
.pc-name {
  font-size: 15px; font-weight: 700; line-height: 1.5; color: var(--ink); min-height: 45px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.pc-foot { display: flex; align-items: flex-end; justify-content: space-between; gap: 10px; margin-top: auto; }
.pc-price b { font-size: 19px; font-weight: 800; letter-spacing: -0.02em; color: var(--ink); }
.pc-price b small { font-size: 12.5px; font-weight: 700; margin-right: 1px; }
.pc-price s { display: block; font-size: 12.5px; color: var(--muted); margin-top: 1px; }
.pc-usd { display: block; font-size: 12px; color: var(--muted); margin-top: 1px; letter-spacing: .01em; }
.pc-buy {
  background: var(--brand); color: #fff; font-size: 13.5px; font-weight: 650;
  padding: 8px 20px; border-radius: 999px; white-space: nowrap; transition: .16s ease;
  box-shadow: 0 4px 12px rgba(46, 75, 255, 0.25);
}
.product-card:hover .pc-buy { background: var(--brand-600); }
.pc-buy.is-off { background: #e8edf5; color: #94a3b8; box-shadow: none; }
.badges { position: absolute; left: 10px; top: 10px; display: flex; gap: 6px; flex-wrap: wrap; max-width: 90%; }

/* 下单页：购买数量步进器 + 实付合计 */
.qty-stepper { display: flex; align-items: center; gap: 0; }
.qty-stepper button {
  width: 38px; height: 38px; border: 1px solid var(--line); background: var(--panel, #fff);
  font-size: 17px; font-weight: 700; color: var(--ink); cursor: pointer; transition: .15s ease;
}
.qty-stepper button:first-child { border-radius: 10px 0 0 10px; }
.qty-stepper button:last-of-type { border-radius: 0 10px 10px 0; border-left: none; }
.qty-stepper button:hover { background: var(--brand-soft, #eef1ff); }
.qty-stepper input {
  width: 64px; height: 38px; text-align: center; font-weight: 700; font-size: 15px;
  border: 1px solid var(--line); border-left: none; border-right: none; border-radius: 0;
  -moz-appearance: textfield; appearance: textfield;
}
.qty-stepper input::-webkit-outer-spin-button, .qty-stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.qty-summary {
  margin: 4px 0 14px; padding: 12px 14px; border: 1px dashed var(--line); border-radius: 12px;
  background: var(--soft, #f7f8fc); display: flex; flex-direction: column; gap: 6px;
}
.qty-sum-line { font-size: 13px; color: var(--muted); }
.qty-sum-total {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 14px; font-weight: 700; color: var(--ink); margin-top: 2px;
}
.qty-sum-total b { font-size: 21px; font-weight: 800; letter-spacing: -0.02em; }
.qty-sum-total b small { font-size: 13px; font-weight: 700; margin-right: 1px; }
.badge {
  font-size: 11.5px; font-weight: 650; padding: 3px 9px; border-radius: 999px;
  letter-spacing: .01em; white-space: nowrap;
}
.badge-stock { background: var(--mint-soft); color: var(--mint); }
.badge-out { background: var(--slate-soft); color: #64748b; }
.badge-sale { background: var(--amber-soft); color: var(--amber); }
.badge-auto { background: var(--brand-soft); color: var(--brand-700); }
.badge-off { background: var(--rose-soft); color: var(--rose); }

.product-body { padding: 15px 16px 17px; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.price-row { display: flex; align-items: baseline; gap: 8px; margin-top: auto; }
.price { font-size: 21px; font-weight: 750; color: var(--ink); letter-spacing: -0.02em; }
.price small { font-size: 13px; font-weight: 600; margin-right: 1px; }
.price-old { font-size: 13px; color: var(--muted); text-decoration: line-through; }
.price-off { font-size: 12px; color: var(--amber); font-weight: 650; }

/* ------------------------------ 分类胶囊筛选条 ------------------------------ */

.chip-row { display: flex; gap: 10px; flex-wrap: wrap; margin: 2px 0 26px; }
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 17px; border-radius: 999px; background: #fff;
  border: 1px solid var(--line); font-size: 14px; font-weight: 600; color: var(--ink-2);
  box-shadow: var(--shadow-s); transition: .15s ease;
}
.chip svg { width: 16px; height: 16px; }
.chip:hover { border-color: var(--brand); color: var(--brand-700); transform: translateY(-1px); }
.chip.is-on { background: var(--ink); border-color: var(--ink); color: #fff; }

/* ------------------------------ categories ------------------------------ */

.cat-card { padding: 22px; display: flex; gap: 16px; align-items: flex-start; }
.cat-icon {
  width: 46px; height: 46px; flex: none; border-radius: 13px; display: grid; place-items: center;
  background: linear-gradient(140deg, #eef2ff, #e2f7f1); color: var(--brand-700);
}
.cat-card h3 { font-size: 17px; font-weight: 700; }
.cat-card p { margin: 5px 0 12px; font-size: 13.5px; color: var(--muted); }
.cat-count { font-size: 12.5px; color: var(--muted); }

/* ------------------------------ features ------------------------------ */

.feature { text-align: center; padding: 4px 12px; }
.feature-icon {
  width: 54px; height: 54px; margin: 0 auto 14px; border-radius: 16px; display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand-700);
}
.feature h3 { font-size: 16.5px; font-weight: 700; }
.feature p { margin: 8px 0 0; color: var(--muted); font-size: 14px; }

/* ------------------------------ notice / posts ------------------------------ */

.notice-bar {
  background: linear-gradient(90deg, #0f2456, #17306f); color: #d9e2ff; font-size: 13.5px;
}
.notice-bar .container { padding-top: 10px; padding-bottom: 10px; display: flex; gap: 10px; align-items: center; }

.post-item { display: flex; gap: 14px; padding: 16px 18px; border-bottom: 1px solid var(--line-soft); }
.post-item:last-child { border-bottom: none; }
.post-item .tag { font-size: 11.5px; font-weight: 650; padding: 2px 8px; border-radius: 6px; height: fit-content; white-space: nowrap; }
.tag-news { background: var(--brand-soft); color: var(--brand-700); }
.tag-tutorial { background: var(--mint-soft); color: var(--mint); }
.post-item h4 { font-size: 15px; font-weight: 600; }
.post-item p { margin: 4px 0 0; font-size: 13px; color: var(--muted); }
.post-date { font-size: 12px; color: var(--muted); margin-left: auto; white-space: nowrap; }

/* ------------------------------ detail page ------------------------------ */

.crumbs { font-size: 13px; color: var(--muted); padding: 18px 0 6px; }
.crumbs a:hover { color: var(--brand); }
.detail-wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 34px; padding: 12px 0 60px; }

/* ------------------------------ checkout 高级风 ------------------------------ */
.checkout-page { background: linear-gradient(180deg, #f5f7ff 0%, #fafbff 46%, #ffffff 100%); }
.checkout-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr); gap: 30px; align-items: start; }
.checkout-left, .checkout-right { display: flex; flex-direction: column; gap: 18px; }

.prod-card { display: flex; gap: 16px; align-items: center; padding: 20px; }
.prod-card-img { width: 96px; height: 72px; border-radius: 12px; object-fit: cover; flex: none; box-shadow: var(--shadow-s); }
.prod-card-name { font-weight: 700; font-size: 16px; line-height: 1.45; }

.notice-card { padding: 22px 22px 24px; }
.notice-head { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.notice-head h3 { font-size: 16px; font-weight: 700; margin: 0; }
.qual-pill { font-size: 12px; font-weight: 700; color: var(--brand-700); background: var(--brand-soft); border: 1px solid #d3dcff; border-radius: 999px; padding: 4px 11px; }
.qual-block { background: linear-gradient(180deg, #f3f6ff, #eef4ff); border: 1px solid #e0e8ff; border-radius: var(--radius); padding: 14px 16px; margin-bottom: 16px; }
.qual-head { font-size: 14px; font-weight: 700; color: var(--brand-700); margin-bottom: 8px; }
.qual-list { margin: 0; padding-left: 18px; }
.qual-list li { margin: 4px 0; line-height: 1.6; color: var(--ink-2); }
.qual-warn { margin: 10px 0 0; font-size: 12.5px; color: #c0392b; font-weight: 600; }
.notice-body h4 { font-size: 14px; font-weight: 700; margin: 0 0 8px; }

.order-card { padding: 0; overflow: hidden; }
.order-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 22px; border-bottom: 1px solid var(--line); background: linear-gradient(135deg, #2e4bff 0%, #5b3bff 100%); color: #fff; }
.order-head .muted { color: rgba(255, 255, 255, .85); }
.order-prod-name { font-weight: 700; font-size: 15.5px; line-height: 1.4; color: #fff; }
.order-price { text-align: right; flex: none; }
.order-price-main { font-size: 26px; font-weight: 800; letter-spacing: -.02em; }
.order-price-main small { font-size: 16px; font-weight: 700; margin-right: 2px; }
.order-price-sub { font-size: 12px; opacity: .92; margin-top: 2px; }
.order-form { padding: 22px; }
.form-h { font-size: 18px; font-weight: 750; margin: 0 0 4px; }
.opt { font-size: 11px; font-weight: 600; color: var(--muted); background: var(--surface-2); border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; margin-left: 4px; }
.agree-line { display: flex; align-items: flex-start; gap: 9px; margin-top: 16px; font-size: 13.5px; color: var(--ink-2); cursor: pointer; line-height: 1.5; }
.agree-line input { width: 16px; height: 16px; margin-top: 1px; accent-color: var(--brand); flex: none; }
.order-form .btn-brand { background: linear-gradient(135deg, #2e4bff 0%, #5b3bff 100%); border: none; margin-top: 18px; }

@media (max-width: 880px) {
  .checkout-grid { grid-template-columns: 1fr; gap: 20px; }
  .order-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .order-price { text-align: left; }
}
.detail-media { border-radius: var(--radius-l); overflow: hidden; border: 1px solid var(--line); background: var(--surface); }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-l); padding: 24px; box-shadow: var(--shadow-s); }
.detail-title { font-size: clamp(22px, 3vw, 29px); font-weight: 750; letter-spacing: -0.02em; }
.price-big { font-size: 34px; font-weight: 780; color: var(--ink); letter-spacing: -0.03em; }
.price-usdt { font-size: 14px; color: var(--muted); }
.kv { display: flex; gap: 10px; padding: 9px 0; border-top: 1px dashed var(--line); font-size: 14px; }
.kv span:first-child { color: var(--muted); width: 76px; flex: none; }
.field-note { background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; font-size: 14px; }
.field-note h4 { font-size: 14.5px; margin-bottom: 8px; }
.steps { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
.step-chip { font-size: 12.5px; background: var(--brand-soft); color: var(--brand-700); border-radius: 8px; padding: 5px 10px; font-weight: 600; }

/* ------------------------------ forms ------------------------------ */

.form-row { margin-bottom: 16px; }
label.form-label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 7px; color: var(--ink-2); }
.form-label .req { color: var(--rose); }
input[type="text"], input[type="email"], input[type="password"], input[type="number"], select, textarea {
  width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 11px;
  font-size: 15px; font-family: inherit; background: var(--surface); color: var(--ink);
  transition: .15s ease;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(46,75,255,.12); }
textarea { min-height: 92px; resize: vertical; line-height: 1.6; }
.hint { font-size: 12.5px; color: var(--muted); margin-top: 6px; }
.alert { padding: 12px 15px; border-radius: 11px; font-size: 14px; margin-bottom: 16px; }
.alert-error { background: var(--rose-soft); color: #9f2b38; border: 1px solid #f7ccd1; }
.alert-warn { background: var(--amber-soft); color: #92460b; border: 1px solid #f7dcb9; }
.alert-info { background: var(--brand-soft); color: var(--brand-700); border: 1px solid #d3dcff; }
.alert-ok { background: var(--mint-soft); color: #0b7f5e; border: 1px solid #c6ecdd; }

/* ------------------------------ pay page ------------------------------ */

.pay-grid { display: grid; grid-template-columns: 320px minmax(0, 1fr); gap: 22px; align-items: start; }
.qr-box { background: #fff; border: 1px dashed var(--line); border-radius: var(--radius); padding: 14px; display: grid; place-items: center; }
.qr-box img { width: 200px; height: 200px; }
.addr-box {
  display: flex; gap: 10px; align-items: center; background: var(--surface-2);
  border: 1px solid var(--line); border-radius: 11px; padding: 11px 12px; margin: 10px 0 4px;
}
.addr-box code { font-size: 13px; word-break: break-all; font-family: ui-monospace, Menlo, Consolas, monospace; flex: 1; }
.copy-btn { border: 1px solid var(--line); background: #fff; border-radius: 8px; padding: 6px 10px; font-size: 12.5px; cursor: pointer; white-space: nowrap; }
.copy-btn:hover { border-color: var(--brand); color: var(--brand-700); }
.timer { font-variant-numeric: tabular-nums; font-weight: 700; color: var(--rose); }
.status-pill { display: inline-flex; align-items: center; gap: 7px; padding: 5px 12px; border-radius: 999px; font-size: 13px; font-weight: 650; }
.st-pending { background: var(--amber-soft); color: var(--amber); }
.st-paid { background: var(--brand-soft); color: var(--brand-700); }
.st-delivered { background: var(--mint-soft); color: var(--mint); }
.st-cancelled { background: var(--slate-soft); color: #64748b; }
.dot-pulse { width: 7px; height: 7px; border-radius: 50%; background: currentColor; animation: pulse 1.3s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .25; } }
.delivery-box {
  background: linear-gradient(140deg, #0e2a52, #123a6b); color: #fff; border-radius: var(--radius);
  padding: 18px 20px; margin-top: 14px;
}
.delivery-box code { font-size: 15px; letter-spacing: .06em; color: #6ff0cd; word-break: break-all; }

/* ------------------------------ captcha ------------------------------ */

.captcha-row { display: flex; gap: 10px; align-items: center; }
.captcha-img { flex: none; border-radius: 11px; overflow: hidden; display: block; line-height: 0; box-shadow: var(--shadow-s); cursor: default; user-select: none; }
.captcha-row input { flex: 1; min-width: 0; }

/* ------------------------- checkout: detect & channels ------------------------- */
.check-line { display: flex; align-items: center; gap: 8px; margin-top: 12px; font-size: 13.5px; color: var(--ink-2); cursor: pointer; }
.check-line input { width: 15px; height: 15px; accent-color: var(--brand); }
.detect-panel {
  margin-top: 12px; padding: 14px 16px; border-radius: 12px;
  background: #eefaf3; border: 1px solid #bfe9d2;
}
.detect-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.detect-ok { font-size: 14px; font-weight: 700; color: #12805c; }
.detect-fail { font-size: 14px; font-weight: 700; color: #c0392b; }
.detect-tag {
  font-size: 12px; font-weight: 650; color: #12805c;
  border: 1px solid #8fd7b8; background: #fff; border-radius: 999px; padding: 3px 10px;
}
.detect-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.detect-cell { background: #fff; border: 1px solid #e3efe8; border-radius: 9px; padding: 9px 12px; }
.detect-cell:first-child { grid-column: 1 / -1; }
.detect-cell span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 3px; }
.detect-cell b { font-size: 14px; font-weight: 650; color: var(--ink); word-break: break-all; }
.detect-note { margin-top: 10px; font-size: 12.5px; color: #12805c; }
.channel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.channel-card {
  position: relative; display: block; border: 1.5px solid var(--line); border-radius: 12px;
  padding: 13px 15px; cursor: pointer; background: #fff; transition: border-color .15s, box-shadow .15s;
}
.channel-card input { position: absolute; opacity: 0; pointer-events: none; }
.channel-name { display: block; font-size: 15px; font-weight: 700; color: var(--ink); }
.channel-desc { display: block; font-size: 12.5px; color: var(--muted); margin-top: 3px; }
.channel-card:has(input:checked) { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.channel-card.is-off { opacity: .55; cursor: not-allowed; background: var(--surface-2); }
.channel-tag {
  font-style: normal; font-size: 11px; font-weight: 600; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 1px 7px; vertical-align: 2px;
}

/* ------------------------------ tables ------------------------------ */

.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--line-soft); vertical-align: middle; }
.table th { font-size: 12.5px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; background: var(--surface-2); }
.table tr:last-child td { border-bottom: none; }
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); background: #fff; }

/* ------------------------------ admin ------------------------------ */

.admin-shell { display: grid; grid-template-columns: 216px minmax(0, 1fr); gap: 26px; padding: 26px 0 60px; }
.admin-side { position: sticky; top: 86px; align-self: start; }
.admin-side a { display: flex; align-items: center; gap: 9px; padding: 10px 12px; border-radius: 10px; font-size: 14.5px; color: var(--ink-2); font-weight: 550; }
.admin-side a:hover { background: var(--brand-soft); color: var(--brand-700); }
.admin-side a.is-active { background: var(--brand-soft); color: var(--brand-700); font-weight: 650; }
.admin-nav-label { font-size: 11.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; padding: 12px 12px 4px; }
.stat-card { padding: 18px 20px; }
.stat-card span { font-size: 13px; color: var(--muted); }
.stat-card b { display: block; font-size: 27px; font-weight: 750; letter-spacing: -0.02em; margin-top: 2px; }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 16px; }
.toolbar input, .toolbar select { width: auto; min-width: 150px; padding: 9px 12px; font-size: 14px; }
.tutorial-banner { display: flex; align-items: center; gap: 14px; padding: 14px 18px; margin: 0 0 18px; border: 1px solid #e3edff; background: #f5f9ff; border-radius: 14px; text-decoration: none; color: inherit; transition: transform .12s ease, box-shadow .12s ease; }
.tutorial-banner:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(20,80,200,.10); }
.tutorial-banner .tb-icon { font-size: 22px; line-height: 1; }
.tutorial-banner .tb-text { flex: 1; font-size: 14.5px; line-height: 1.45; }
.tutorial-banner .tb-cta { font-weight: 700; color: var(--brand, #2b6cff); white-space: nowrap; }
.tut-link { display: flex; align-items: center; gap: 8px; margin-top: 14px; padding: 11px 14px; border: 1px solid #e3edff; background: #f5f9ff; border-radius: 12px; text-decoration: none; color: #1f2d4d; font-size: 13.5px; line-height: 1.4; transition: transform .12s ease, box-shadow .12s ease; }
.tut-link:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(20,80,200,.10); }
.tut-link strong { font-weight: 700; }
.tut-link .tut-cta { margin-left: auto; font-weight: 700; color: var(--brand, #2b6cff); white-space: nowrap; }
.login-wrap { max-width: 380px; margin: 90px auto; }

/* ------------------------------ article ------------------------------ */

.article { max-width: 760px; margin: 0 auto; padding: 26px 0 70px; }
.article h1 { font-size: clamp(23px, 3.6vw, 33px); font-weight: 750; letter-spacing: -0.025em; }
.article .meta { color: var(--muted); font-size: 13.5px; margin: 12px 0 26px; }
.session-helper { border: 1px solid #e3edff; background: linear-gradient(180deg, #f5f9ff 0%, #eef4ff 100%); border-radius: 16px; padding: 18px 20px; margin: 0 0 26px; }
.session-helper .sh-title { font-weight: 700; font-size: 16px; color: var(--ink); margin-bottom: 8px; }
.session-helper .sh-desc { font-size: 14px; line-height: 1.6; color: var(--ink-2); margin: 0 0 14px; }
.session-helper .sh-note { font-size: 12.5px; color: var(--muted); margin: 12px 0 0; }
.article-body { font-size: 15.5px; line-height: 1.85; color: var(--ink-2); }
.markdown h2, .markdown h3, .markdown h4,
.article-body h2, .article-body h3, .article-body h4 {
  color: var(--ink); font-weight: 700; margin: 22px 0 10px; line-height: 1.4;
}
.markdown h2, .article-body h2 { font-size: 19px; }
.markdown h3, .article-body h3 { font-size: 16px; }
.markdown h4, .article-body h4 { font-size: 14.5px; }
.markdown p, .article-body p { margin: 0 0 12px; }
.markdown ul, .markdown ol, .article-body ul, .article-body ol { padding-left: 22px; margin: 0 0 12px; }
.article-body ul, .article-body ol { padding-left: 22px; }
.article-body li, .markdown li { margin-bottom: 7px; }
.markdown ul.checklist, .article-body ul.checklist { list-style: none; padding-left: 2px; }
.check-item { display: flex; gap: 6px; align-items: flex-start; }
.markdown table, .article-body table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 14px; }
.markdown th, .markdown td, .article-body th, .article-body td { border: 1px solid var(--line); padding: 8px 10px; }
.markdown th, .article-body th { background: var(--surface-2); }
.markdown blockquote, .article-body blockquote { margin: 14px 0; padding: 12px 16px; border-left: 3px solid var(--brand); background: var(--brand-soft); border-radius: 0 10px 10px 0; color: var(--brand-700); }
.markdown code, .article-body code { background: var(--slate-soft); padding: 2px 6px; border-radius: 5px; font-size: 13.5px; }

/* ------------------------------ footer ------------------------------ */

.site-footer { background: #08122a; color: #96a5c8; padding: 44px 0 30px; margin-top: 20px; font-size: 13.5px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 30px; }
.site-footer h4 { color: #fff; font-size: 14px; margin-bottom: 12px; font-weight: 650; }
.site-footer a { color: #96a5c8; display: block; padding: 4px 0; }
.site-footer a:hover { color: #fff; }
.contact-pill { display: inline-flex; align-items: center; gap: 6px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); color: #dfe6ff; padding: 5px 11px; border-radius: 999px; font-size: 13px; margin: 3px 5px 3px 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 28px; padding-top: 18px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 12.5px; }

/* ------------------------------ misc ------------------------------ */

.empty { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty-icon { font-size: 34px; margin-bottom: 10px; }
.mono { font-family: ui-monospace, Menlo, Consolas, monospace; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.nowrap { white-space: nowrap; }
.mt-0 { margin-top: 0; } .mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; } .mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.stack > * + * { margin-top: 10px; }
.hide { display: none !important; }

/* ------------------------------ responsive ------------------------------ */

@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .detail-wrap { grid-template-columns: 1fr; gap: 22px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .admin-shell { grid-template-columns: 1fr; }
  .admin-side { position: static; display: flex; gap: 6px; overflow-x: auto; padding-bottom: 6px; }
  .admin-side a { white-space: nowrap; }
  .admin-nav-label { display: none; }
}

@media (max-width: 720px) {
  body { font-size: 14.5px; }
  .nav { height: 60px; gap: 12px; }
  .nav-toggle { display: block; }
  .nav-lookup { display: none; }
  .nav-links {
    position: absolute; left: 0; right: 0; top: 60px; transform: none;
    flex-direction: column; align-items: stretch;
    background: #fff; border-bottom: 1px solid var(--line); padding: 10px 16px 14px;
    box-shadow: var(--shadow); display: none; gap: 2px;
  }
  .nav-links.open { display: flex; }
  .nav-links .nav-links-lookup { display: block; }
  .logo span:last-child { max-width: 34vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .hero { padding: 58px 0 56px; }
  .hero-cta { gap: 16px; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .section { padding: 38px 0; }
  .chip-row { gap: 8px; margin-bottom: 20px; }
  .chip { padding: 7px 14px; font-size: 13.5px; }
  .pay-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 22px; }
  .toolbar input, .toolbar select { flex: 1 1 100%; min-width: 0; }
  .btn-lg { width: 100%; }
}

@media (max-width: 420px) {
  .grid-4, .grid-3 { grid-template-columns: 1fr; }
}

/* 支付页：长表单值（如 Session JSON）折叠展示，避免撑爆信息面板 */
.kv-form { align-items: flex-start; }
.kv-form .kv-val {
  flex: 1; min-width: 0;
  word-break: break-all; overflow-wrap: anywhere;
  font-family: ui-monospace, Consolas, monospace; font-size: 12.5px; line-height: 1.55;
}
.kv-form .kv-val.is-clamped {
  max-height: 88px; overflow: hidden;
}
.kv-val-toggle {
  display: inline-block; margin-top: 6px; border: none; background: none; cursor: pointer;
  color: var(--brand, #2563eb); font-size: 12.5px; padding: 0;
}
.kv-val-toggle:hover { text-decoration: underline; }

/* Session 直达：做得足够显眼，客户一眼能找到 */
.session-cta {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; margin: 12px 0 4px; padding: 12px 16px;
  border-radius: 10px; background: var(--brand); color: #fff !important;
  font-size: 14.5px; font-weight: 750; letter-spacing: .01em; text-decoration: none;
  box-shadow: 0 6px 16px rgba(46, 75, 255, .28);
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
}
.session-cta:hover { background: var(--brand-600); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(46, 75, 255, .34); }
.session-cta:active { transform: translateY(0); }
.session-link {
  display: inline-block; padding: 1px 8px; margin: 0 2px; border-radius: 6px;
  background: var(--brand); color: #fff !important; font-weight: 750;
  text-decoration: none !important; box-shadow: 0 2px 6px rgba(46, 75, 255, .25);
}
.session-link:hover { background: var(--brand-600); }

/* 后台订单页：长凭据在复制框内也折叠，保持复制按钮可用 */
.addr-box code[data-long="1"] {
  display: block; flex: 1; min-width: 0;
  word-break: break-all; overflow-wrap: anywhere;
  font-size: 12.5px; line-height: 1.55;
}
.addr-box code.is-clamped { max-height: 88px; overflow: hidden; }

/* 页脚：微信扫码弹层 */
.wechat-qr-box { position: relative; display: inline-block; }
.wechat-qr-box summary {
  list-style: none; cursor: pointer;
  display: inline-flex; align-items: center;
  padding: 6px 14px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,.25);
  color: #cfd8f5; font-size: 13px;
}
.wechat-qr-box summary::-webkit-details-marker { display: none; }
.wechat-qr-box summary:hover { background: rgba(255,255,255,.08); }
.wechat-qr-box .qr-pop {
  display: none; position: absolute; bottom: calc(100% + 10px); left: 0;
  background: #fff; padding: 10px; border-radius: 12px;
  box-shadow: 0 12px 32px rgba(10, 23, 48, .25); z-index: 60;
}
.wechat-qr-box[open] .qr-pop { display: block; }
.wechat-qr-box .qr-pop img { width: 170px; height: auto; display: block; border-radius: 6px; }

/* 顶部导航「联系支持」按钮 */
.nav-support {
  display: inline-flex; align-items: center; gap: 6px;
  border: none; background: none; cursor: pointer;
  color: var(--ink, #1a2440); font-size: 14px; font-weight: 600;
  padding: 8px 12px; border-radius: 8px; font-family: inherit;
}
.nav-support:hover { background: rgba(46, 75, 255, .08); color: var(--brand); }

/* 联系支持弹窗 */
.support-modal { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; padding: 18px; }
.support-modal[hidden] { display: none; }
.support-mask { position: absolute; inset: 0; background: rgba(12, 18, 38, .55); backdrop-filter: blur(3px); }
.support-dialog {
  position: relative; width: 100%; max-width: 420px; max-height: 86vh; overflow: auto;
  background: #fff; border-radius: 16px; padding: 22px 22px 14px;
  box-shadow: 0 24px 64px rgba(10, 23, 48, .35);
  animation: supportPop .18s ease;
}
@keyframes supportPop { from { transform: translateY(10px) scale(.98); opacity: 0; } to { transform: none; opacity: 1; } }
.support-close { border: none; background: none; cursor: pointer; color: #98a2b8; padding: 6px; border-radius: 8px; line-height: 0; }
.support-close:hover { background: #f1f3f9; color: #1a2440; }
.support-intro { color: #5b6478; font-size: 13.5px; line-height: 1.65; margin: 4px 0 16px; }
.support-card {
  display: flex; gap: 14px; align-items: flex-start;
  border: 1px solid #e6e9f2; border-radius: 12px; padding: 14px;
  background: #f8f9fd; margin-bottom: 14px;
}
.support-qr { width: 108px; height: auto; border-radius: 8px; flex-shrink: 0; background: #fff; }
.support-card-title { font-size: 14.5px; font-weight: 750; color: #1a2440; margin-bottom: 4px; }
.support-card-line { font-size: 13px; color: #5b6478; margin-bottom: 10px; word-break: break-all; }
.support-rows { border-top: 1px solid #eef0f6; }
.support-row {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  padding: 13px 2px; border-bottom: 1px solid #eef0f6;
  color: #1a2440; font-size: 14px; font-weight: 600; text-decoration: none;
}
.support-row:hover { color: var(--brand); }
.support-row-val { color: #5b6478; font-size: 13px; font-weight: 500; text-align: right; word-break: break-all; }
.support-row:hover .support-row-val { color: var(--brand); }

/* 页脚三栏简洁版 */
.footer-grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; max-width: 720px; }
@media (max-width: 640px) { .footer-grid-3 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
.footer-link-btn {
  display: block; border: none; background: none; cursor: pointer;
  padding: 0; color: inherit; font: inherit; text-align: left;
}
.footer-link-btn:hover { text-decoration: underline; }

/* 商品详情页：富文本图片、图集、购买须知、FAQ */
.article-body img { max-width: 100%; height: auto; display: block; margin: 10px 0; border-radius: 10px; border: 1px solid var(--line); }
.detail-thumbs { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.detail-thumb { width: 72px; height: 72px; padding: 0; overflow: hidden; cursor: pointer;
  border: 2px solid var(--line); border-radius: 10px; background: #fff; }
.detail-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.detail-thumb.is-active { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }

.pd-notice { margin: 16px 0 6px; padding: 14px 16px; border-radius: 12px;
  border: 1px solid #f2c2c2; background: #fff7f7; }
.pd-notice-head { font-size: 13.5px; font-weight: 800; color: #c62828; margin-bottom: 8px; letter-spacing: .01em; }
.pd-notice-body { font-size: 13.5px; line-height: 1.8; color: #7c2b2b; }
.pd-notice-body h1, .pd-notice-body h2, .pd-notice-body h3, .pd-notice-body h4 { color: #b3261e; font-size: 14.5px; margin: 8px 0 6px; }
.pd-notice-body p { margin: 0 0 8px; }
.pd-notice-body ul, .pd-notice-body ol { padding-left: 20px; margin: 0 0 8px; }
.pd-notice-body strong { color: #b3261e; }
.pd-notice-body img { border-color: #f2c2c2; }

.faq-list { margin-top: 10px; }
.faq-item { border-bottom: 1px solid var(--line); padding: 11px 0; }
.faq-item:last-child { border-bottom: none; }
.faq-item summary { position: relative; padding-right: 24px; cursor: pointer; list-style: none;
  font-size: 14.5px; font-weight: 650; color: var(--ink); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; position: absolute; right: 4px; top: -2px;
  color: var(--brand); font-weight: 800; }
.faq-item[open] summary::after { content: '−'; }
.faq-answer { margin-top: 8px; font-size: 14px; }

/* ============================================================
   首页顶部公告栏（后台文章勾选「首页公告栏」后在此轮播）
   ============================================================ */
.announce-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 720px;
  margin: 0 auto 26px;
  padding: 11px 16px;
  background: var(--amber-soft);
  border: 1px solid #f5ddb9;
  border-radius: 999px;
  box-shadow: var(--shadow-s);
}
.announce-icon { font-size: 16px; line-height: 1; flex: none; }
.announce-track { position: relative; flex: 1; min-width: 0; height: 22px; text-align: left; }
.announce-item {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  color: var(--amber);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.4s ease, transform 0.4s ease;
  pointer-events: none;
}
.announce-item.active { opacity: 1; transform: translateY(0); pointer-events: auto; }
.announce-item:hover { text-decoration: underline; }
.announce-dots { display: flex; gap: 5px; flex: none; }
.announce-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #e8c48f;
  transition: background 0.3s ease, transform 0.3s ease;
}
.announce-dot.active { background: var(--amber); transform: scale(1.15); }
@media (max-width: 640px) {
  .announce-bar { border-radius: var(--radius); }
  .announce-track { height: 40px; white-space: normal; }
  .announce-item { white-space: normal; font-size: 13px; line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
}