/* 小报童风格：白底 + 橙色品牌色 + 国内 SaaS 阅读习惯 */
:root {
  --bg: #ffffff;
  --bg-subtle: #f7f7f8;
  --card: #ffffff;
  --text: #1a1a1a;
  --muted: #8c8c8c;
  --accent: #fa8919;
  --accent-hover: #e67a00;
  --accent-dark: #d96b00;
  --accent-soft: #fff4e8;
  --border: #ebebeb;
  --border-strong: #d9d9d9;
  --warn: #faad14;
  --input-bg: #ffffff;
  --code-bg: #f5f5f5;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-segment: 0 1px 3px rgba(0, 0, 0, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
html[data-text-size="md"] { font-size: 18.5px; }
html[data-text-size="lg"] { font-size: 22px; }

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.47059;
  -webkit-font-smoothing: antialiased;
  font-size: 1rem;
}

h1, h2, h3 {
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--text);
}
h1 { font-size: 1.75rem; margin: 0 0 0.75rem; line-height: 1.2; }
h2 { font-size: 1.25rem; margin: 1.25rem 0 0.5rem; }
h3 { font-size: 1.0625rem; margin: 1rem 0 0.5rem; }

.wrap { max-width: 960px; margin: 0 auto; padding: 0 1rem; }

.site-header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 0.75rem;
  flex-wrap: wrap;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex: 1 1 auto;
  min-width: 0;
}

.logo {
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  flex: 1 1 auto;
  min-width: 0;
  font-size: 1.0625rem;
  line-height: 1.25;
}
.logo:hover { color: var(--accent); }

.nav-main {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.35rem 0.65rem;
  flex: 1 1 100%;
}

/* 分组 span 不参与 flex，链接逐条排列，避免整组换行留空 */
.nav-group {
  display: contents;
}

.nav-main a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.35rem 0.15rem;
  font-size: 14px;
  line-height: 1.25;
  white-space: nowrap;
}
.nav-main a:hover { color: var(--accent); }
.nav-main a.nav-register { color: var(--accent); font-weight: 600; }
.nav-main a.nav-register:hover { color: var(--accent-hover); }

.text-size-switch {
  display: inline-flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 9px;
  padding: 2px;
  flex-shrink: 0;
}

.text-size-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  padding: 0.3rem 0.55rem;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  line-height: 1.2;
  min-width: 2rem;
  transition: background 0.18s ease, box-shadow 0.18s ease, color 0.18s ease;
}

.text-size-btn:hover { color: var(--text); }

.text-size-btn[aria-pressed="true"] {
  background: #ffffff;
  box-shadow: var(--shadow-segment);
  color: var(--text);
}

.site-main { padding: 2rem 0 4rem; min-height: 60vh; }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  font-size: 0.875rem;
  color: var(--muted);
  background: var(--bg-subtle);
}

.site-footer a.footer-icp { color: var(--muted); text-decoration: none; }
.site-footer a.footer-icp:hover { color: var(--accent); text-decoration: underline; }
.footer-company { text-align: center; }
.footer-icp-line { margin: 0.5rem 0; font-size: 0.9375rem; color: var(--text); }
.footer-icp-num { font-weight: 700; color: var(--text) !important; }
.footer-product { margin: 0 0 0.35rem; font-size: 1rem; }
.footer-product-link { color: var(--text); text-decoration: none; font-weight: 600; }
.footer-product-link:hover { color: var(--accent); }
.footer-operator { margin: 0 0 0.35rem; font-size: 0.95rem; color: var(--text); }
.footer-official { margin: 0.25rem 0 0.35rem; }
.footer-official a { color: var(--muted); }
.footer-official a:hover { color: var(--accent); }
.footer-contact { margin: 0.35rem 0; }
.footer-contact a { color: var(--muted); }
.footer-contact a:hover { color: var(--accent); }
.footer-note { margin-top: 0.75rem; font-size: 0.8125rem; }

.hero h1 { font-size: 2rem; margin-bottom: 0.5rem; }
.lead { color: var(--muted); max-width: 40em; font-size: 1.0625rem; }
.hero-actions { margin-top: 1.5rem; display: flex; flex-wrap: wrap; gap: 0.75rem; }

.cards {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-top: 2rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.btn {
  display: inline-block;
  padding: 0.625rem 1.125rem;
  border-radius: 980px;
  border: 1px solid var(--border-strong);
  background: var(--card);
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  font-size: 1rem;
  font-family: inherit;
  font-weight: 500;
  line-height: 1.2;
  min-height: 2.75rem;
  transition: opacity 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn:active { opacity: 0.82; }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  font-weight: 600;
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #ffffff;
}

.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.875rem; min-height: 2.25rem; }

.form label { display: block; margin-bottom: 1rem; font-weight: 500; }

.form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.25rem;
  margin-bottom: 0.25rem;
}
.form-row label { flex: 1 1 12rem; min-width: 10rem; }

.pickup-code { font-size: 1.125rem; letter-spacing: 0.05em; color: var(--accent, #fa8919); }

.form input[type="text"],
.form input[type="email"],
.form input[type="password"],
.form input[type="number"],
.form input[type="date"],
.form select,
.form textarea {
  width: 100%;
  max-width: 420px;
  padding: 0.625rem 0.75rem;
  margin-top: 0.35rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--input-bg);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  min-height: 2.75rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(250, 137, 25, 0.15);
}

.form textarea { min-height: 8rem; max-width: 100%; }
.form textarea.code {
  max-width: 100%;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.875rem;
  min-height: 11rem;
}

.alert { padding: 0.875rem 1rem; border-radius: var(--radius-md); margin: 0.75rem 0; font-size: 0.9375rem; }
.alert-error { background: #fff2f0; color: #cf1322; border: 1px solid #ffccc7; }
.alert-ok { background: #f6ffed; color: #389e0d; border: 1px solid #b7eb8f; }
.alert-warn { background: #fffbe6; color: #ad6800; border: 1px solid #ffe58f; }

.hint { color: var(--muted); font-size: 0.9375rem; }
.field-hint { margin: -0.35rem 0 0.85rem; }
.label-optional { font-weight: normal; color: var(--muted); font-size: 0.875rem; }
.small { font-size: 0.875rem; }
.muted { color: var(--muted); }

.box-muted {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  padding: 1rem 1.125rem;
  border-radius: var(--radius-md);
  margin-top: 1.5rem;
}

.prose h2 { margin-top: 1.5rem; font-size: 1.125rem; }
.prose ul, .prose-list { padding-left: 1.25rem; }
.prose li { margin: 0.35rem 0; }
.prose a { color: var(--accent); }
.prose a:hover { color: var(--accent-hover); }

.checkbox { display: flex; gap: 0.5rem; align-items: flex-start; max-width: 480px; }
.checkbox input { margin-top: 0.35rem; width: 1.125rem; height: 1.125rem; flex-shrink: 0; accent-color: var(--accent); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
  margin: 1.25rem 0;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.125rem;
  box-shadow: var(--shadow-sm);
}

.stat-label { margin: 0; color: var(--muted); font-size: 0.875rem; }
.stat-num { font-size: 1.75rem; font-weight: 700; margin: 0.25rem 0 0; color: var(--accent); letter-spacing: -0.03em; }

.table-simple { width: 100%; border-collapse: collapse; font-size: 0.9375rem; margin: 1rem 0; }
.table-simple th, .table-simple td { border: 1px solid var(--border); padding: 0.625rem 0.75rem; text-align: left; }
.table-simple th { background: var(--bg-subtle); font-weight: 600; }
.table-compact td, .table-compact th { font-size: 0.875rem; }

.tag {
  display: inline-block;
  font-size: 0.8125rem;
  padding: 0.2rem 0.55rem;
  background: var(--bg-subtle);
  color: var(--muted);
  border-radius: 980px;
}

.tag-approved { background: #f6ffed; color: #389e0d; }
.tag-pending { background: #fffbe6; color: #d48806; }
.tag-revoked { background: #fff2f0; color: #cf1322; }

.dash-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.inline-form { display: inline; }

.template-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.template-preview {
  white-space: pre-wrap;
  font-size: 0.875rem;
  background: var(--code-bg);
  padding: 1rem;
  border-radius: var(--radius-sm);
  overflow: auto;
  border: 1px solid var(--border);
}

code { background: var(--code-bg); padding: 0.12rem 0.4rem; border-radius: 6px; font-size: 0.9em; color: #595959; }

.subscription-banner { margin: 0; border-radius: 0; }
.subscription-banner a { color: inherit; font-weight: 700; text-decoration: underline; }
.card-pricing { border-color: var(--accent); }

.plan-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  margin: 1.25rem 0;
}

.plan-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  box-shadow: var(--shadow-sm);
}

.plan-featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), var(--shadow-card);
  background: linear-gradient(180deg, var(--accent-soft) 0%, var(--card) 40%);
}

.plan-tier-heading {
  margin: 1.5rem 0 0.35rem;
  font-size: 1.125rem;
}

.plan-tier-desc { margin: 0 0 0.75rem; }

.plan-card-pro {
  border-color: #7c3aed;
}

.plan-card-pro.plan-featured {
  border-color: #7c3aed;
  box-shadow: 0 0 0 1px #7c3aed, var(--shadow-card);
  background: linear-gradient(180deg, #f5f3ff 0%, var(--card) 40%);
}

.plan-card h4 { margin: 0; font-size: 1rem; font-weight: 600; }

.billing-lead { max-width: 42em; margin-top: -0.25rem; }
.billing-purchase-zone {
  margin: 1.25rem 0 2rem;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--card);
}
.billing-purchase-zone > h2 { margin: 0 0 0.35rem; font-size: 1.25rem; }
.billing-jump {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  margin: 1rem 0;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
}
.billing-jump-label { color: var(--muted); font-weight: 600; }
.billing-jump a { font-weight: 600; }
.billing-tier-block { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px dashed var(--border); }
.billing-boost-locked { margin-top: 0.75rem; font-size: 0.875rem; }
.tag-boost { background: #e0f2fe; color: #0369a1; font-size: 0.75rem; font-weight: 600; vertical-align: middle; }

.billing-boost-section:target {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
}

.boost-grid { margin-top: 0.75rem; }

.plan-card-boost {
  border-color: #0ea5e9;
  background: linear-gradient(180deg, #f0f9ff 0%, var(--card) 45%);
}

.boost-log-title { margin: 1rem 0 0.35rem; }
.boost-log-list { margin: 0; font-size: 0.875rem; }

.plan-price { font-size: 1.75rem; font-weight: 700; margin: 0; color: var(--accent); letter-spacing: -0.03em; }
.plan-hint { color: var(--muted); font-size: 0.875rem; margin: 0; }
.plan-form { margin-top: auto; }
.plan-agree { font-size: 0.875rem; max-width: none; }
.btn-block { width: 100%; text-align: center; }
.billing-status p { margin: 0.35rem 0; }

.page-guide .tutorial-section { margin-top: 2rem; }
.page-guide .tutorial-section h2 { margin-bottom: 0.75rem; font-size: 1.3125rem; }
.page-guide .tutorial-section h3 { margin: 1rem 0 0.5rem; font-size: 1.0625rem; }
.tutorial-toc ol { margin: 0.5rem 0 0; padding-left: 1.25rem; }
.tutorial-toc li { margin: 0.35rem 0; }
.tutorial-toc a { color: var(--accent); }

.tutorial-code {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  overflow-x: auto;
}

.tutorial-oneline { font-size: 1.0625rem; line-height: 1.6; }
.faq-list { margin: 0; }
.faq-list dt { font-weight: 700; margin-top: 1rem; }
.faq-list dt:first-child { margin-top: 0; }

.page-admin-stats .admin-ops-section {
  margin-top: 2.5rem;
  padding-top: 1.75rem;
  border-top: 2px solid var(--border);
}
.page-admin-stats .admin-ops-section h2 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}
.page-admin-stats .admin-ops-section .steps-guide li {
  margin: 0.5rem 0;
  line-height: 1.55;
}

.industry-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 0.75rem;
}

.industry-group h3 { margin: 0 0 0.5rem; font-size: 1rem; color: var(--accent); }
.industry-list { margin: 0; font-size: 0.9375rem; }

.form select {
  width: 100%;
  max-width: 420px;
  padding: 0.625rem 0.75rem;
  margin-top: 0.35rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--input-bg);
  color: var(--text);
  font-size: 1rem;
  min-height: 2.75rem;
}

a { color: var(--accent); }
a:hover { color: var(--accent-hover); }

/* 注册 / 登录独立页 */
.page-register .site-main,
.page-login .site-main {
  padding-top: 1.5rem;
}

.register-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 2.5rem;
  align-items: start;
}

.register-aside .register-kicker {
  margin: 0 0 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.register-aside h1 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.register-points {
  margin: 1.25rem 0 0;
  padding-left: 1.25rem;
  color: var(--text);
}

.register-points li {
  margin: 0.65rem 0;
  line-height: 1.55;
}

.register-aside-foot { margin-top: 1.5rem; }

.register-form-card {
  padding: 1.5rem 1.75rem;
  box-shadow: var(--shadow-card);
}

.register-form-card h2 {
  margin: 0 0 0.35rem;
  font-size: 1.375rem;
}

.register-form .btn-block { margin-top: 0.5rem; }

.register-login-link {
  margin: 1.25rem 0 0;
  text-align: center;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.auth-layout {
  display: flex;
  justify-content: center;
  padding: 1rem 0 2rem;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  padding: 1.75rem;
  box-shadow: var(--shadow-card);
}

.auth-card h1 {
  margin: 0 0 0.35rem;
  font-size: 1.5rem;
}

.auth-switch {
  margin: 1.25rem 0 0;
  text-align: center;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

@media (max-width: 820px) {
  .register-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .register-aside h1 { font-size: 1.625rem; }
}

@media (min-width: 721px) {
  .header-inner {
    flex-wrap: nowrap;
  }

  .header-top {
    flex: 0 1 auto;
    justify-content: flex-start;
  }

  .logo {
    flex: 0 1 auto;
  }

  .nav-main {
    flex: 1 1 auto;
    justify-content: flex-end;
  }
}

@media (max-width: 720px) {
  .header-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 0.45rem;
  }

  .header-top {
    width: 100%;
  }

  .logo {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  html[data-text-size="lg"] .logo {
    font-size: 0.95rem;
  }

  .nav-main {
    width: 100%;
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 0.5rem;
    padding-bottom: 0.15rem;
    mask-image: linear-gradient(to right, #000 calc(100% - 1.25rem), transparent);
    -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 1.25rem), transparent);
  }

  .nav-main::-webkit-scrollbar {
    display: none;
  }

  .nav-main a {
    flex-shrink: 0;
  }

  .table-simple { font-size: 0.875rem; }
  .hero h1 { font-size: 1.625rem; }
  .plan-grid { grid-template-columns: 1fr; }
}

.billing-refund-notice { border-width: 2px; }
.billing-refund-list { margin: 0.5rem 0 0; padding-left: 1.25rem; }
.billing-refund-list li { margin: 0.35rem 0; }

.stat-num-sm { font-size: 1.35rem; }
.stat-denom { font-size: 0.95rem; font-weight: 500; color: var(--muted); }

.quota-bar {
  height: 0.5rem;
  background: var(--border);
  border-radius: 980px;
  overflow: hidden;
  margin-top: 0.5rem;
  max-width: 320px;
}
.quota-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 980px;
  transition: width 0.2s ease;
}

@media (prefers-reduced-motion: reduce) {
  .text-size-btn, .btn { transition: none; }
}

.card-featured { border-color: var(--accent-soft); background: linear-gradient(180deg, #fffaf5 0%, #fff 100%); }
.cell-actions { white-space: nowrap; }
.cell-actions .inline-form + .inline-form { margin-left: 0.25rem; }
.industry-more summary { cursor: pointer; font-weight: 600; padding: 0.5rem 0; }
.industry-more[open] summary { margin-bottom: 0.75rem; }

.page-demo { overflow-x: hidden; }

.page-demo .demo-hero {
  margin-bottom: 2rem;
  padding: 1.75rem 1.625rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(250, 137, 25, 0.18);
  background: linear-gradient(135deg, var(--accent-soft) 0%, #fff 55%, #fff 100%);
  box-shadow: var(--shadow-sm);
}
.page-demo .demo-hero h1 { margin-bottom: 0.625rem; }
.page-demo .demo-hero .lead { margin: 0; max-width: 44em; line-height: 1.6; color: #434343; }
.demo-eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-dark);
}

.demo-intro {
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  grid-template-rows: auto auto;
  margin-bottom: 2.25rem;
}
.demo-toc { grid-row: 1 / 3; }
.demo-flow { grid-column: 2; grid-row: 1; }
.demo-email-types {
  grid-column: 2;
  grid-row: 2;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.125rem 1.25rem;
  box-shadow: var(--shadow-sm);
}
.demo-text-panel { margin-top: 0.75rem; }
.demo-text-panel .demo-text-list { margin: 0.5rem 0 0; }
.demo-step-text .demo-text-panel { margin-top: 0; }
.demo-intro-title {
  margin: 0 0 0.875rem;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.demo-intro-title::before {
  content: "";
  width: 0.25rem;
  height: 1rem;
  border-radius: 999px;
  background: var(--accent);
  flex-shrink: 0;
}
.demo-toc,
.demo-flow {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.125rem 1.25rem;
  box-shadow: var(--shadow-sm);
}
.demo-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4375rem;
}
.demo-toc-list a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  border: 1px solid transparent;
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, transform 0.18s ease;
}
.demo-toc-list a:hover {
  border-color: rgba(250, 137, 25, 0.35);
  background: var(--accent-soft);
  box-shadow: var(--shadow-sm);
  color: var(--accent-dark);
  transform: translateX(2px);
}
.demo-toc-num {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid rgba(250, 137, 25, 0.25);
  color: var(--accent-dark);
  font-size: 0.8125rem;
  font-weight: 700;
}
.demo-toc-label { font-size: 0.9375rem; line-height: 1.35; font-weight: 500; }

.demo-email-grid {
  display: grid;
  gap: 0.625rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.demo-email-card {
  margin: 0;
  padding: 0.75rem 0.875rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-subtle);
  border-left-width: 3px;
}
.demo-email-card--email-welcome { border-left-color: #52c41a; background: linear-gradient(90deg, #f6ffed 0%, var(--bg-subtle) 40%); }
.demo-email-card--email-consent { border-left-color: #faad14; background: linear-gradient(90deg, #fffbe6 0%, var(--bg-subtle) 40%); }
.demo-email-card--email-remind { border-left-color: var(--accent); background: linear-gradient(90deg, var(--accent-soft) 0%, var(--bg-subtle) 40%); }
.demo-email-card--email-receipt { border-left-color: #1677ff; background: linear-gradient(90deg, #e6f4ff 0%, var(--bg-subtle) 40%); }
.demo-email-card-title {
  margin: 0 0 0.2rem;
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.3;
}
.demo-email-card-when {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--muted);
  line-height: 1.35;
}
.demo-email-card-meta {
  margin: 0.45rem 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
}
.demo-email-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
}
.demo-email-note {
  font-size: 0.75rem;
  color: var(--muted);
}

.demo-flow-steps {
  list-style: none;
  margin: 0;
  padding: 0 0 0 0.25rem;
  display: grid;
  gap: 0;
  counter-reset: demo-flow;
}
.demo-flow-steps li {
  position: relative;
  margin: 0;
  padding: 0 0 0.875rem 1.75rem;
  font-size: 0.875rem;
  line-height: 1.45;
  color: var(--text);
}
.demo-flow-steps li:last-child { padding-bottom: 0; }
.demo-flow-steps li::before {
  counter-increment: demo-flow;
  content: counter(demo-flow);
  position: absolute;
  left: 0;
  top: 0.05rem;
  width: 1.25rem;
  height: 1.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(250, 137, 25, 0.35);
}
.demo-flow-steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 0.575rem;
  top: 1.45rem;
  bottom: 0.15rem;
  width: 2px;
  background: linear-gradient(180deg, var(--accent) 0%, var(--border-strong) 100%);
}

.demo-steps {
  display: grid;
  gap: 1.5rem;
}
.demo-step {
  scroll-margin-top: 5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.375rem 1.375rem 1.25rem;
  box-shadow: var(--shadow-card);
  max-width: 100%;
  min-width: 0;
}
.demo-step-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.125rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.demo-step-text {
  flex: 1;
  min-width: 0;
}
.demo-step-badge {
  flex-shrink: 0;
  width: 2.625rem;
  height: 2.625rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
  box-shadow: 0 3px 10px rgba(250, 137, 25, 0.32);
}
.demo-step-text h2 {
  margin: 0 0 0.35rem;
  font-size: 1.1875rem;
  line-height: 1.3;
}
.page-demo .demo-caption {
  margin: 0;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.6;
  max-width: 52em;
}

.demo-step-mock {
  padding: 0.875rem;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #eef0f3 0%, #e4e7eb 100%);
  border: 1px solid #d8dce2;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
}

.demo-related {
  margin-top: 2.75rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
}
.demo-related h2 {
  margin: 0 0 1rem;
  font-size: 1.125rem;
}
.demo-related-grid {
  display: grid;
  gap: 0.875rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.demo-related-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.125rem 1rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  text-decoration: none;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}
.demo-related-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
  opacity: 0.35;
  transition: opacity 0.18s ease;
}
.demo-related-card strong {
  font-size: 0.9375rem;
  color: var(--text);
}
.demo-related-card span {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.45;
}
.demo-related-card:hover {
  border-color: rgba(250, 137, 25, 0.4);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}
.demo-related-card:hover::before { opacity: 1; }
.demo-related-card:hover strong { color: var(--accent-dark); }

.page-demo .demo-step { margin: 0; padding-top: 0; border-top: none; }
.demo-figure {
  position: relative;
  display: block;
  max-width: 100%;
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.demo-figure img { width: 100%; height: auto; display: block; vertical-align: top; }

/* 界面示意（与后台 UI 同步） */
.demo-mock {
  margin: 0;
  border: none;
  border-radius: 0;
  overflow: hidden;
  background: transparent;
  box-shadow: none;
  max-width: 100%;
  min-width: 0;
}
.demo-mock-device {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #1a1d21;
  max-width: 100%;
  min-width: 0;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.06) inset,
    0 12px 28px rgba(15, 23, 42, 0.18),
    0 4px 10px rgba(15, 23, 42, 0.08);
}
.demo-mock-chrome {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.625rem 0.875rem;
  background: linear-gradient(180deg, #3d4249 0%, #2f343a 100%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.35);
  font-size: 0.75rem;
  color: #b0b8c4;
}
.demo-mock-dot {
  width: 0.6875rem;
  height: 0.6875rem;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: inset 0 -1px 1px rgba(0, 0, 0, 0.2);
}
.demo-mock-chrome .demo-mock-dot:nth-child(1) { background: #ff5f57; }
.demo-mock-chrome .demo-mock-dot:nth-child(2) { background: #febc2e; }
.demo-mock-chrome .demo-mock-dot:nth-child(3) { background: #28c840; }
.demo-mock-url {
  margin-left: 0.625rem;
  flex: 1;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #d1d5db;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 0.6875rem;
  letter-spacing: 0.01em;
}
.demo-mock-viewport {
  padding: 0;
  background: var(--bg);
  font-size: 0.875rem;
  max-height: none;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
}
.demo-mock-scene {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.75rem;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
}
.demo-mock-scene-tag {
  flex-shrink: 0;
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.demo-mock-scene-title {
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.demo-mock-header {
  display: flex;
  align-items: center;
  padding: 0.5rem 0.875rem;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--border);
}
.demo-mock-brand {
  justify-content: flex-start;
}
.demo-mock-logo {
  font-weight: 700;
  color: var(--accent);
  font-size: 0.875rem;
  letter-spacing: -0.01em;
  line-height: 1.35;
}
.demo-mock-nav { display: none; }
.demo-mock-page {
  padding: 1rem 1rem 1.125rem;
}
.demo-mock-page-head { margin-bottom: 0.625rem; }
.demo-mock-h1 { margin: 0 0 0.25rem; font-size: 1.0625rem; line-height: 1.35; letter-spacing: -0.02em; }
.demo-mock-h2 { margin: 1rem 0 0.5rem; font-size: 0.9375rem; font-weight: 700; }
.demo-mock-sub,
.demo-mock-lead,
.demo-mock-page .hint { font-size: 0.8125rem; margin: 0 0 0.75rem; line-height: 1.5; }
.demo-mock-sub { margin: 0; color: var(--muted); }
.demo-mock-form-panel {
  padding: 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--card);
  box-shadow: var(--shadow-sm);
}
.demo-mock-form { display: grid; gap: 0.625rem; max-width: none; }
.demo-mock-label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #434343;
}
.demo-mock-input {
  display: block;
  width: 100%;
  padding: 0.45rem 0.625rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: #fff;
  font: inherit;
  font-size: 0.8125rem;
  color: var(--text);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.04);
}
.demo-mock-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.625rem; }
.demo-mock-register {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.875rem;
  align-items: start;
}
.demo-mock-aside {
  padding: 0.875rem 1rem;
  font-size: 0.8125rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-soft) 0%, #fff 100%);
  border: 1px solid rgba(250, 137, 25, 0.2);
}
.demo-mock-aside h1 { font-size: 1.125rem; margin: 0.25rem 0 0.5rem; line-height: 1.25; }
.demo-mock-points {
  margin: 0.5rem 0 0;
  padding-left: 1.125rem;
  line-height: 1.55;
}
.demo-mock-points li { margin: 0.35rem 0; }
.demo-mock-card {
  padding: 0.875rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--card);
  box-shadow: var(--shadow-sm);
}
.demo-mock-card h2 { margin: 0 0 0.25rem; font-size: 1.0625rem; }
.demo-mock-card-lead { margin: 0 0 0.75rem !important; }
.demo-mock-auth-wrap { padding: 0.5rem 0 0.75rem; }
.demo-mock-auth { max-width: 20rem; margin: 0 auto; }
.demo-mock-add-form { max-width: none; }
.demo-mock .btn { pointer-events: none; font-size: 0.8125rem; }
.demo-mock .btn-block { margin-top: 0.25rem; }
.demo-mock .btn-ghost {
  background: var(--card);
  border-color: var(--border-strong);
  color: var(--text);
}
.demo-mock-dash-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}
.demo-mock-dash-actions .btn { padding: 0.35rem 0.7rem; min-height: auto; }
.demo-mock-stats {
  margin: 0 0 0.875rem;
  gap: 0.5rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.demo-mock-stats .stat-card {
  padding: 0.625rem 0.75rem;
  border-radius: var(--radius-sm);
}
.demo-mock-stats .stat-label { font-size: 0.75rem; }
.demo-mock-stats .stat-num { font-size: 1.125rem; margin-top: 0.15rem; }
.demo-mock-table-shell {
  overflow-x: auto;
  max-width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card);
  box-shadow: var(--shadow-sm);
  -webkit-overflow-scrolling: touch;
}
.demo-mock-table .cell-actions {
  white-space: normal;
}
.demo-mock-table {
  font-size: 0.8125rem;
  margin: 0;
  min-width: 520px;
}
.demo-mock-table th,
.demo-mock-table td {
  padding: 0.5rem 0.625rem;
  vertical-align: middle;
}
.demo-mock-table th {
  background: var(--bg-subtle);
  font-size: 0.75rem;
  white-space: nowrap;
}
.demo-mock-table tbody tr:hover { background: #fafafa; }
.demo-mock-table .btn-sm {
  font-size: 0.75rem;
  padding: 0.28rem 0.55rem;
  min-height: auto;
  pointer-events: none;
}
.demo-mock-customer { font-weight: 600; }
.demo-mock-log-type { font-weight: 600; color: #1677ff; }
.demo-mock-status-pill {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
}
.demo-mock-status-pill-warn { background: #fffbe6; color: #d48806; }
.demo-mock-status-pill-ok { background: #f6ffed; color: #389e0d; }

.demo-mock-callout {
  position: relative;
  display: inline-block;
  vertical-align: middle;
  z-index: 1;
}
.demo-mock-callout:has(.btn-block) {
  display: block;
  width: 100%;
}
.demo-mock-callout[data-label]::before {
  content: attr(data-label);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 0.35rem);
  transform: translateX(-50%);
  font-size: 0.625rem;
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
  background: var(--accent);
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(250, 137, 25, 0.4);
  pointer-events: none;
}
.demo-mock-callout[data-label]::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: calc(100% + 0.12rem);
  transform: translateX(-50%);
  border: 4px solid transparent;
  border-top-color: var(--accent);
  pointer-events: none;
}
.demo-mock-callout .btn,
.demo-mock-callout .btn-primary {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(250, 137, 25, 0.18);
}
.demo-mock-callout-pulse .btn,
.demo-mock-callout-pulse .btn-primary {
  animation: demo-callout-pulse 2.2s ease-in-out infinite;
}
@keyframes demo-callout-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(250, 137, 25, 0.18); }
  50% { box-shadow: 0 0 0 7px rgba(250, 137, 25, 0.28); }
}

.demo-privacy {
  display: inline-block;
  color: transparent;
  background: linear-gradient(90deg, #d9d9d9 0%, #bfbfbf 50%, #d9d9d9 100%);
  border-radius: 3px;
  user-select: none;
  letter-spacing: 0.04em;
}
.demo-mock-alert {
  margin: 0 0 0.75rem;
  padding: 0.55rem 0.75rem;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
}
.demo-mock-billing-status {
  margin-bottom: 0.75rem;
  padding: 0.75rem 0.875rem;
  font-size: 0.8125rem;
  border-radius: var(--radius-md);
  background: var(--bg-subtle);
}
.demo-mock-quota-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.45rem;
  font-size: 0.8125rem;
}
.demo-mock-quota-row strong { color: var(--accent-dark); font-size: 0.9375rem; }
.demo-mock-quota-bar { margin: 0; height: 0.45rem; border-radius: 999px; overflow: hidden; background: #e8e8e8; }
.demo-mock-quota-fill { border-radius: 999px; background: linear-gradient(90deg, var(--accent) 0%, #ff6b00 100%); }
.demo-mock-quota-link { margin: 0.45rem 0 0; font-size: 0.75rem; text-align: right; }
.demo-mock-quota-link a { font-weight: 600; text-decoration: none; }
.demo-mock-jump {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
  margin: 0 0 0.75rem;
  padding: 0.55rem 0.65rem;
  font-size: 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
}
.demo-mock-jump-pill {
  padding: 0.18rem 0.5rem;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--muted);
}
.demo-mock-jump-pill-active {
  color: var(--accent-dark);
  background: var(--accent-soft);
  border-color: rgba(250, 137, 25, 0.35);
  font-weight: 700;
}
.demo-mock-purchase {
  padding: 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--card);
  box-shadow: var(--shadow-sm);
}
.demo-mock-mini-plans {
  margin-bottom: 0.75rem;
  gap: 0.625rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.demo-mock-plan-sub { padding: 0.75rem !important; }
.demo-mock-plan-sub h4 { font-size: 0.8125rem; margin: 0; }
.demo-mock-plan-sub .plan-price { font-size: 1.125rem; margin: 0.25rem 0; }
.demo-mock-plan-sub .plan-hint { font-size: 0.75rem; margin: 0; color: var(--muted); }
.demo-mock-boost-grid {
  margin-top: 0.5rem;
  gap: 0.5rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.demo-mock-plan {
  padding: 0.625rem !important;
  gap: 0.25rem;
  border-radius: var(--radius-sm);
}
.demo-mock-plan h4 { font-size: 0.8125rem; margin: 0; line-height: 1.3; }
.demo-mock-plan .plan-price { font-size: 1.0625rem; margin: 0.15rem 0; font-weight: 700; color: var(--accent-dark); }
.demo-mock-plan .plan-hint { font-size: 0.6875rem; margin: 0 0 0.35rem; line-height: 1.35; color: var(--muted); }
.demo-mock-plan .btn-sm { min-height: auto; padding: 0.3rem 0.5rem; font-size: 0.6875rem; }

.page-pricing .pricing-lead { max-width: 42em; }
.page-pricing .pricing-section { margin: 2rem 0; }
.page-pricing .pricing-section h2 { margin-bottom: 0.5rem; font-size: 1.25rem; }
.page-pricing .pricing-table { margin-top: 0.75rem; }
.page-pricing .pricing-cta { margin: 2rem 0 1rem; display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; }
.page-pricing .pricing-cta-hint { display: block; width: 100%; margin: 0; }
.page-pricing .pricing-notes { margin: 0.75rem 0 0; }

.demo-mosaic {
  position: absolute;
  z-index: 2;
  border-radius: 2px;
  background-color: #7a7a7a;
  background-image:
    linear-gradient(45deg, #555 25%, transparent 25%, transparent 75%, #555 75%, #555),
    linear-gradient(45deg, #555 25%, transparent 25%, transparent 75%, #555 75%, #555);
  background-size: 8px 8px;
  background-position: 0 0, 4px 4px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
  pointer-events: none;
}

@media (max-width: 720px) {
  .demo-intro { grid-template-columns: 1fr; grid-template-rows: auto; }
  .demo-toc, .demo-flow, .demo-email-types { grid-column: 1; grid-row: auto; }
  .demo-email-grid { grid-template-columns: 1fr; }
  .demo-step {
    padding: 1rem 0.75rem 0.875rem;
    border-radius: var(--radius-md);
  }
  .demo-step-header {
    gap: 0.625rem;
    margin-bottom: 0.875rem;
    padding-bottom: 0.875rem;
  }
  .demo-step-badge { width: 2rem; height: 2rem; font-size: 0.75rem; }
  .demo-step-text h2 { font-size: 1.0625rem; word-break: break-word; }
  .page-demo .demo-caption { font-size: 0.875rem; line-height: 1.55; }
  .demo-step-mock {
    padding: 0.375rem;
    border-radius: var(--radius-sm);
    background: #eceef1;
  }
  .demo-mock-device {
    border-radius: var(--radius-md);
    box-shadow: 0 6px 16px rgba(15, 23, 42, 0.12);
  }
  .demo-mock-chrome { padding: 0.5rem 0.625rem; }
  .demo-mock-dot { width: 0.5625rem; height: 0.5625rem; }
  .demo-mock-url { margin-left: 0.375rem; font-size: 0.625rem; padding: 0.28rem 0.5rem; }
  .demo-mock-header { padding: 0.4rem 0.625rem; }
  .demo-mock-logo { font-size: 0.8125rem; }
  .demo-mock-scene { padding: 0.35rem 0.625rem; }
  .demo-mock-page { padding: 0.625rem 0.625rem 0.75rem; }
  .demo-mock-h1 { font-size: 0.9375rem; line-height: 1.4; word-break: break-word; }
  .demo-mock-h2 { font-size: 0.875rem; margin-top: 0.75rem; }
  .demo-mock-sub,
  .demo-mock-lead,
  .demo-mock-page .hint { font-size: 0.75rem; margin-bottom: 0.625rem; }
  .demo-mock-form-panel,
  .demo-mock-card { padding: 0.625rem 0.75rem; }
  .demo-mock-form-row { grid-template-columns: 1fr; gap: 0.5rem; }
  .demo-mock-label { font-size: 0.75rem; }
  .demo-mock-input { font-size: 0.75rem; padding: 0.4rem 0.5rem; }
  .demo-mock .btn { font-size: 0.75rem; min-height: 2.125rem; }
  .demo-mock-dash-actions { gap: 0.3rem; margin-bottom: 0.625rem; }
  .demo-mock-dash-actions .btn {
    padding: 0.3rem 0.5rem;
    font-size: 0.6875rem;
    min-height: auto;
    line-height: 1.3;
  }
  .demo-mock-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.375rem;
    margin-bottom: 0.625rem;
  }
  .demo-mock-stats .stat-card { padding: 0.45rem 0.4rem; }
  .demo-mock-stats .stat-label { font-size: 0.625rem; line-height: 1.25; }
  .demo-mock-stats .stat-num { font-size: 0.9375rem; }
  .demo-mock-mini-plans,
  .demo-mock-boost-grid { grid-template-columns: 1fr; gap: 0.5rem; }
  .demo-mock-jump { font-size: 0.6875rem; padding: 0.45rem 0.5rem; }
  .demo-mock-purchase { padding: 0.625rem; }
  .demo-mock-plan .plan-hint { font-size: 0.625rem; }

  /* 表格改为卡片堆叠，避免横向撑破页面 */
  .demo-mock-table-shell--stack {
    overflow-x: visible;
  }
  .demo-mock-table-shell--stack .demo-mock-table {
    min-width: 0;
    width: 100%;
    display: block;
  }
  .demo-mock-table-shell--stack .demo-mock-table thead { display: none; }
  .demo-mock-table-shell--stack .demo-mock-table tbody { display: block; }
  .demo-mock-table-shell--stack .demo-mock-table tbody tr {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.35rem 0.625rem;
    padding: 0.625rem 0.75rem;
    border-bottom: 1px solid var(--border);
  }
  .demo-mock-table-shell--stack .demo-mock-table tbody tr:last-child { border-bottom: none; }
  .demo-mock-table-shell--stack .demo-mock-table td {
    display: block;
    border: none;
    padding: 0;
    font-size: 0.75rem;
    line-height: 1.4;
  }
  .demo-mock-table-shell--stack .demo-mock-table td::before {
    content: attr(data-label);
    display: block;
    font-size: 0.625rem;
    font-weight: 700;
    color: var(--muted);
    margin-bottom: 0.15rem;
    letter-spacing: 0.02em;
  }
  .demo-mock-table-shell--stack .demo-mock-table td.cell-actions {
    grid-column: 1 / -1;
    padding-top: 0.25rem;
    border-top: 1px dashed var(--border);
    margin-top: 0.15rem;
  }
  .demo-mock-table-shell--stack .demo-mock-table td[data-label="结果"] {
    grid-column: 1 / -1;
  }
  .demo-mock-table-shell--stack .demo-mock-table .btn-sm {
    font-size: 0.6875rem;
    padding: 0.25rem 0.45rem;
  }

  /* 操作标注：改为文档流排列，避免气泡被裁切 */
  .demo-mock-callout[data-label] {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
    max-width: 100%;
  }
  .demo-mock-callout:has(.btn-block) {
    display: flex;
    width: 100%;
  }
  .demo-mock-callout[data-label]::before {
    position: static;
    transform: none;
    order: -1;
    align-self: flex-start;
    font-size: 0.625rem;
    padding: 0.18rem 0.45rem;
    box-shadow: none;
  }
  .demo-mock-callout[data-label]::after { display: none; }
  .demo-mock-callout .btn,
  .demo-mock-callout .btn-primary {
    outline-offset: 1px;
    max-width: 100%;
  }
  .demo-mock-table-shell--stack .cell-actions .demo-mock-callout {
    width: 100%;
  }

  .page-demo .demo-hero {
    padding: 1.125rem 1rem;
    margin-bottom: 1.5rem;
    border-radius: var(--radius-md);
  }
  .page-demo .demo-hero h1 { font-size: 1.5rem; }
  .page-demo .demo-hero .lead { font-size: 0.9375rem; }
  .demo-toc-list a:hover { transform: none; }
  .demo-related-grid { grid-template-columns: 1fr; }
  .demo-related-card:hover { transform: none; }
}

@media (max-width: 380px) {
  .demo-mock-stats { grid-template-columns: 1fr 1fr; }
  .demo-mock-stats .stat-card:last-child { grid-column: 1 / -1; }
}