:root,
html[data-theme="light"] {
  color-scheme: light;
  --site-blue: #2563eb;
  --site-cyan: #0f766e;
  --site-blue-deep: #1d4ed8;
  --site-blue-soft: #eff6ff;
  --site-ink: #0f172a;
  --site-muted: #64748b;
  --site-line: #e2e8f0;
  --site-bg: #f4f7fb;
  --site-card: #ffffff;
  --site-panel: #ffffff;
  --site-header-bg: rgba(255, 255, 255, .86);
  --site-footer-bg: #ffffff;
  --site-input-bg: #f8fafc;
  --site-input-border: #dbe3ee;
  --site-hero-a: rgba(37, 99, 235, .16);
  --site-hero-b: rgba(14, 165, 233, .10);
  --site-grid: rgba(37, 99, 235, .06);
  --site-pill-bg: rgba(255, 255, 255, .86);
  --site-pill-fg: #334155;
  --site-query-bg: #ffffff;
  --site-query-line: #dbeafe;
  --site-stat-bg: rgba(255, 255, 255, .88);
  --site-tab-bg: #ffffff;
  --site-code-bg: #eff6ff;
  --site-code-fg: #2563eb;
  --site-free-bg: #ecfdf5;
  --site-free-fg: #047857;
  --site-example-bg: #f8fafc;
  --site-example-fg: #334155;
  --site-modal-bg: #ffffff;
  --site-modal-line: #dbeafe;
  --site-modal-mask: rgba(15, 23, 42, .45);
  --site-ghost-bg: #ffffff;
  --site-ghost-fg: #2563eb;
  --site-ghost-line: #bfdbfe;
  --site-kicker: #0f766e;
  --site-disabled: #94a3b8;
  --site-menu: #0f172a;
  --site-radius: 10px;
  --site-shadow: 0 18px 50px rgba(37, 99, 235, .10);
  --site-shadow-sm: 0 8px 24px rgba(15, 23, 42, .05);
  --icon-apple-bg: #eef2ff;
  --icon-apple: #4f46e5;
  --icon-android-bg: #ecfdf5;
  --icon-android: #059669;
  --icon-carrier-bg: #fff7ed;
  --icon-carrier: #ea580c;
  --icon-camera-bg: #eff6ff;
  --icon-camera: #2563eb;
  --icon-chat-bg: #ecfeff;
  --icon-chat: #0e7490;
  --icon-erp-bg: #f5f3ff;
  --icon-erp: #7c3aed;
  --icon-shield-bg: #fdf2f8;
  --icon-shield: #db2777;
  --icon-wechat-bg: #ecfdf5;
  --icon-wechat: #16a34a;
  --icon-list-bg: #eff6ff;
  --icon-list: #2563eb;
  --icon-article-bg: #f8fafc;
  --icon-article: #475569;
  --icon-help-bg: #fffbeb;
  --icon-help: #d97706;
  --icon-search-bg: #eff6ff;
  --icon-search: #2563eb;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --site-blue: #3d8bff;
  --site-cyan: #2ee6d6;
  --site-blue-deep: #2a6fe0;
  --site-blue-soft: rgba(61, 139, 255, .14);
  --site-ink: #e8eef8;
  --site-muted: #8b97ad;
  --site-line: rgba(148, 176, 214, .16);
  --site-bg: #070b14;
  --site-card: #101826;
  --site-panel: #0d1522;
  --site-header-bg: rgba(7, 11, 20, .86);
  --site-footer-bg: #060910;
  --site-input-bg: #0a111c;
  --site-input-border: rgba(148, 176, 214, .22);
  --site-hero-a: rgba(61, 139, 255, .22);
  --site-hero-b: rgba(46, 230, 214, .10);
  --site-grid: rgba(148, 176, 214, .06);
  --site-pill-bg: rgba(16, 24, 38, .7);
  --site-pill-fg: #c5d2e6;
  --site-query-bg: #121b2b;
  --site-query-line: rgba(61, 139, 255, .28);
  --site-stat-bg: rgba(16, 24, 38, .78);
  --site-tab-bg: #101826;
  --site-code-bg: rgba(61, 139, 255, .12);
  --site-code-fg: #93c5fd;
  --site-free-bg: rgba(46, 230, 214, .12);
  --site-free-fg: #2ee6d6;
  --site-example-bg: #0a111c;
  --site-example-fg: #d5deec;
  --site-modal-bg: #121b2b;
  --site-modal-line: rgba(61, 139, 255, .28);
  --site-modal-mask: rgba(3, 6, 12, .72);
  --site-ghost-bg: transparent;
  --site-ghost-fg: #2ee6d6;
  --site-ghost-line: rgba(46, 230, 214, .35);
  --site-kicker: #2ee6d6;
  --site-disabled: #7b8799;
  --site-menu: #d7e0ef;
  --site-shadow: 0 18px 40px rgba(0, 0, 0, .28);
  --site-shadow-sm: 0 8px 20px rgba(0, 0, 0, .18);
  --icon-apple-bg: rgba(99, 102, 241, .14);
  --icon-apple: #818cf8;
  --icon-android-bg: rgba(46, 230, 214, .12);
  --icon-android: #2ee6d6;
  --icon-carrier-bg: rgba(251, 146, 60, .12);
  --icon-carrier: #fb923c;
  --icon-camera-bg: rgba(61, 139, 255, .12);
  --icon-camera: #60a5fa;
  --icon-chat-bg: rgba(46, 230, 214, .12);
  --icon-chat: #22d3ee;
  --icon-erp-bg: rgba(167, 139, 250, .12);
  --icon-erp: #a78bfa;
  --icon-shield-bg: rgba(244, 114, 182, .12);
  --icon-shield: #f472b6;
  --icon-wechat-bg: rgba(34, 197, 94, .12);
  --icon-wechat: #4ade80;
  --icon-list-bg: rgba(61, 139, 255, .12);
  --icon-list: #60a5fa;
  --icon-article-bg: rgba(148, 163, 184, .12);
  --icon-article: #94a3b8;
  --icon-help-bg: rgba(251, 191, 36, .12);
  --icon-help: #fbbf24;
  --icon-search-bg: rgba(61, 139, 255, .12);
  --icon-search: #60a5fa;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  color: var(--site-ink);
  background: var(--site-bg);
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

a { color: inherit; text-decoration: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--site-header-bg);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--site-line);
}

.site-header-inner,
.site-wrap,
.site-footer-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header-inner {
  height: 64px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: .04em;
}

.site-brand img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  object-fit: cover;
}

.site-nav {
  display: flex;
  gap: 4px;
  color: var(--site-muted);
  font-size: 14px;
}

.site-nav a {
  padding: 7px 10px;
  border-radius: 6px;
}

.site-nav a.is-active,
.site-nav a:hover {
  color: var(--site-ink);
  background: var(--site-blue-soft);
}

.site-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-theme-btn {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--site-line);
  border-radius: 8px;
  background: var(--site-card);
  color: var(--site-ink);
  cursor: pointer;
}

.site-theme-btn svg {
  width: 18px;
  height: 18px;
  display: block;
}

html[data-theme="light"] .theme-sun,
html:not([data-theme]) .theme-sun,
html[data-theme="dark"] .theme-moon { display: none; }

.site-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 14px;
  cursor: pointer;
  background: var(--site-blue);
  color: #fff;
  transition: background .15s ease, border-color .15s ease;
}

.site-btn:hover { background: var(--site-blue-deep); }
.site-btn:disabled {
  cursor: not-allowed;
  background: var(--site-disabled);
  color: #fff;
  box-shadow: none;
}

.site-btn-ghost {
  background: var(--site-ghost-bg);
  color: var(--site-ghost-fg);
  border-color: var(--site-ghost-line);
}

.site-btn-ghost:hover { background: var(--site-blue-soft); }

.site-btn-block { width: 100%; min-height: 48px; border-radius: 8px; font-size: 16px; }

.site-menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  margin-left: 8px;
  border: 0;
  background: transparent;
  padding: 10px 8px;
  flex-direction: column;
  justify-content: space-between;
}

.site-menu-toggle span {
  display: block;
  height: 2px;
  background: var(--site-menu);
  border-radius: 2px;
}

.site-hero {
  position: relative;
  overflow: hidden;
  padding: 56px 0 32px;
  background:
    radial-gradient(ellipse at 12% -10%, var(--site-hero-a), transparent 42%),
    radial-gradient(ellipse at 92% 0%, var(--site-hero-b), transparent 36%),
    var(--site-bg);
}

.site-hero-grid-bg {
  pointer-events: none;
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--site-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--site-grid) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, #000 40%, transparent 92%);
}

.site-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 36px;
  align-items: center;
}

.site-hero-kicker,
.site-section-head .site-kicker {
  margin: 0 0 10px;
  color: var(--site-kicker);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
}

.site-hero h1,
.site-page-head h1,
.site-page h1,
.site-panel h1 {
  margin: 0 0 12px;
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1.16;
  letter-spacing: -.03em;
}

.site-hero p.lead,
.lead {
  margin: 0 0 18px;
  color: var(--site-muted);
  font-size: 16px;
  line-height: 1.7;
}

.site-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.site-pills span {
  padding: 5px 9px;
  border-radius: 4px;
  background: var(--site-pill-bg);
  border: 1px solid var(--site-line);
  color: var(--site-pill-fg);
  font-size: 12px;
}

.site-querycard {
  position: relative;
  padding: 22px;
  background: var(--site-query-bg);
  border-radius: 12px;
  box-shadow: var(--site-shadow);
  border: 1px solid var(--site-query-line);
}

.site-querycard::before {
  content: "";
  position: absolute;
  top: 0;
  left: 18px;
  right: 18px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--site-cyan), transparent);
}

.site-querycard-head {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 16px;
}

.site-querycard-head strong { font-size: 18px; }

.site-querycard-sub {
  margin: 4px 0 0;
  color: var(--site-free-fg);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
}

.site-querycard-sub.is-charge {
  color: var(--site-muted);
}

.site-field {
  display: block;
  margin-bottom: 12px;
}

.site-field span {
  display: block;
  margin-bottom: 6px;
  color: var(--site-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
}

.site-field select,
.site-field input,
.site-search,
.site-select-btn {
  width: 100%;
  height: 48px;
  border: 1px solid var(--site-input-border);
  background: var(--site-input-bg);
  border-radius: 8px;
  padding: 0 14px;
  font-size: 15px;
  color: var(--site-ink);
}

.site-field select:focus,
.site-field input:focus,
.site-search:focus,
.site-select-btn:focus {
  outline: none;
  border-color: var(--site-blue);
  box-shadow: 0 0 0 3px var(--site-blue-soft);
}

.site-select {
  position: relative;
}

.site-select-native {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.site-select-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  text-align: left;
  cursor: pointer;
}

.site-select-btn em {
  flex: 1;
  font-style: normal;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-select-btn i {
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--site-muted);
  border-bottom: 2px solid var(--site-muted);
  transform: rotate(45deg) translateY(-2px);
  flex: 0 0 8px;
}

.site-select.is-open .site-select-btn i {
  transform: rotate(225deg) translateY(1px);
}

.site-select-list {
  display: none;
  position: absolute;
  z-index: 16;
  left: 0;
  right: 0;
  top: calc(100% + 6px);
  max-height: 240px;
  overflow: auto;
  padding: 6px;
  background: var(--site-card);
  border: 1px solid var(--site-line);
  border-radius: 10px;
  box-shadow: var(--site-shadow);
}

.site-select.is-open .site-select-list { display: block; }

.site-select-option {
  padding: 10px 12px;
  border-radius: 7px;
  cursor: pointer;
  line-height: 1.4;
}

.site-select-option:hover,
.site-select-option.is-active {
  background: var(--site-blue-soft);
  color: var(--site-blue);
}

.site-select.is-disabled .site-select-btn {
  cursor: not-allowed;
  color: var(--site-disabled);
}

.site-hint {
  margin: 12px 0 0;
  color: var(--site-muted);
  font-size: 13px;
  line-height: 1.6;
}

.site-error { color: #e11d48; font-size: 13px; margin: 0 0 12px; }

.site-stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 28px 0 0;
}

.site-stat {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  background: var(--site-stat-bg);
  border: 1px solid var(--site-line);
  border-radius: 10px;
}

.site-icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.site-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--site-blue-soft);
  color: var(--site-blue);
  display: grid;
  place-items: center;
  flex: 0 0 40px;
}

.site-icon svg {
  width: 20px;
  height: 20px;
  display: block;
}

.site-btn .site-icon {
  width: 20px;
  height: 20px;
  margin-right: 8px;
  background: transparent;
  color: inherit;
  box-shadow: none;
  flex: 0 0 20px;
}

.site-btn .site-icon svg { width: 18px; height: 18px; }

.site-icon[data-icon="apple"] { background: var(--icon-apple-bg); color: var(--icon-apple); }
.site-icon[data-icon="android"] { background: var(--icon-android-bg); color: var(--icon-android); }
.site-icon[data-icon="carrier"] { background: var(--icon-carrier-bg); color: var(--icon-carrier); }
.site-icon[data-icon="camera"] { background: var(--icon-camera-bg); color: var(--icon-camera); }
.site-icon[data-icon="chat"] { background: var(--icon-chat-bg); color: var(--icon-chat); }
.site-icon[data-icon="erp"] { background: var(--icon-erp-bg); color: var(--icon-erp); }
.site-icon[data-icon="shield"] { background: var(--icon-shield-bg); color: var(--icon-shield); }
.site-icon[data-icon="wechat"] { background: var(--icon-wechat-bg); color: var(--icon-wechat); }
.site-icon[data-icon="list"] { background: var(--icon-list-bg); color: var(--icon-list); }
.site-icon[data-icon="article"] { background: var(--icon-article-bg); color: var(--icon-article); }
.site-icon[data-icon="help"] { background: var(--icon-help-bg); color: var(--icon-help); }
.site-icon[data-icon="search"] { background: var(--icon-search-bg); color: var(--icon-search); }

.site-stat strong {
  display: block;
  font-size: 20px;
  font-variant-numeric: tabular-nums;
}
.site-stat span { color: var(--site-muted); font-size: 12px; }

.site-section { padding: 48px 0; }
.site-section-soft { padding-top: 0; }
.site-section h2,
.site-page-head h1 { margin: 0; }

.site-section-head,
.site-page-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.site-section-head h2 { font-size: 24px; letter-spacing: -.02em; }
.site-text-link { color: var(--site-cyan); font-weight: 600; font-size: 14px; }

.site-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.site-tab {
  padding: 7px 12px;
  border-radius: 6px;
  color: var(--site-muted);
  background: var(--site-tab-bg);
  border: 1px solid var(--site-line);
  font-size: 14px;
}

.site-tab.is-active {
  color: #fff;
  background: var(--site-blue);
  border-color: var(--site-blue);
}

.site-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.site-card {
  background: var(--site-card);
  border: 1px solid var(--site-line);
  border-radius: var(--site-radius);
  padding: 18px;
  min-height: 148px;
  box-shadow: var(--site-shadow-sm);
  transition: border-color .16s ease, transform .16s ease;
}

.site-card:hover {
  transform: translateY(-2px);
  border-color: var(--site-blue);
}

.site-card-top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.site-map-title .site-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  flex: 0 0 32px;
}

.site-map-title .site-icon svg { width: 16px; height: 16px; }

.site-card .code,
.code {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  background: var(--site-code-bg);
  color: var(--site-code-fg);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.site-tag-free {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  background: var(--site-free-bg);
  color: var(--site-free-fg);
  font-size: 12px;
  font-weight: 700;
}

.site-card strong {
  display: block;
  min-height: 44px;
  line-height: 1.4;
}

.site-card .meta {
  margin-top: 14px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--site-muted);
  font-size: 13px;
}

.site-card .price { color: var(--site-blue); font-weight: 700; }

.site-articles { display: grid; gap: 12px; }

.site-article {
  display: block;
  padding: 16px 18px;
  background: var(--site-card);
  border: 1px solid var(--site-line);
  border-radius: 10px;
  border-left: 3px solid var(--site-cyan);
}

.site-article:hover { border-color: var(--site-blue); }
.site-article small { color: var(--site-muted); }
.site-article strong { display: block; margin: 6px 0 0; font-size: 17px; }
.site-article p { margin: 8px 0 0; color: var(--site-muted); font-size: 14px; line-height: 1.6; }

.site-footer {
  border-top: 1px solid var(--site-line);
  padding: 36px 0 40px;
  color: var(--site-muted);
  font-size: 13px;
  background: var(--site-footer-bg);
}

.site-footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 28px;
}

.site-footer-brand strong {
  display: block;
  margin-bottom: 8px;
  color: var(--site-ink);
  font-size: 15px;
}

.site-footer-brand p { margin: 0; line-height: 1.7; }

.site-footer-links,
.site-footer-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.site-footer a:hover { color: var(--site-ink); }

.site-page { padding: 36px 0 64px; }
.site-kicker { color: var(--site-muted); font-size: 13px; margin-bottom: 8px; }
.site-search { margin: 0 0 24px; }

.site-cat { margin: 0 0 28px; }
.site-cat h3 { margin: 0 0 12px; font-size: 16px; color: var(--site-muted); font-weight: 600; }

.site-detail {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 22px;
  align-items: start;
}

.site-panel {
  background: var(--site-panel);
  border: 1px solid var(--site-line);
  border-radius: 12px;
  padding: 24px;
}

.site-panel-sticky { position: sticky; top: 88px; }
.site-panel h2 { margin: 24px 0 12px; font-size: 18px; }
.site-panel-sticky h2 { margin: 0 0 14px; }

.site-detail-meta,
.site-aside-copy {
  color: var(--site-muted);
  line-height: 1.7;
  margin: 0 0 16px;
}

.site-detail-copy { margin: 0; line-height: 1.75; color: var(--site-ink); }

.site-example {
  margin: 0;
  padding: 14px 16px;
  background: var(--site-example-bg);
  border: 1px solid var(--site-line);
  border-radius: 8px;
  color: var(--site-example-fg);
  font-size: 14px;
  line-height: 1.75;
  overflow-wrap: anywhere;
}

.site-example p { margin: 0 0 8px; }
.site-example p:last-child { margin-bottom: 0; }
.site-example ul,
.site-example ol { margin: 0 0 8px; padding-left: 1.2em; }
.site-example table { width: 100%; border-collapse: collapse; margin: 8px 0; }
.site-example th,
.site-example td { padding: 6px 8px; border: 1px solid var(--site-line); text-align: left; }
.site-example img { max-width: 100%; height: auto; border-radius: 8px; }

.site-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.site-features-grid h2 { margin: 12px 0 8px; font-size: 18px; }
.site-features-grid p { margin: 0; color: var(--site-muted); line-height: 1.7; }

.site-aside-features {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--site-line);
}

.site-aside-features strong { display: block; margin-bottom: 6px; }
.site-aside-features p { margin: 0; color: var(--site-muted); font-size: 13px; line-height: 1.7; }

.site-help-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.site-help-grid h2 { margin: 12px 0 8px; font-size: 18px; }
.site-help-grid p { margin: 0; color: var(--site-muted); line-height: 1.8; }

.site-kefu { max-width: 820px; }
.site-kefu-card { text-align: center; }
.site-kefu-chip {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--site-free-bg);
  color: var(--site-free-fg);
  font-size: 12px;
  font-weight: 600;
}
.site-kefu-id {
  display: block;
  margin: 14px 0 18px;
  font-size: 28px;
  letter-spacing: .04em;
}
.site-kefu-qr {
  display: block;
  width: min(100%, 280px);
  margin: 0 auto 16px;
  border-radius: 16px;
}
.site-kefu-card p { margin: 0 0 10px; color: var(--site-muted); line-height: 1.8; }
.site-kefu-card p:last-child { margin-bottom: 0; }
.site-kefu-more {
  margin: 28px 0 0;
  color: var(--site-muted);
  line-height: 1.8;
}

.site-empty {
  padding: 36px;
  text-align: center;
  color: var(--site-muted);
  background: var(--site-card);
  border-radius: 10px;
  border: 1px dashed var(--site-line);
}

.site-empty-lg { padding: 56px 24px; }
.site-empty-lg strong { display: block; margin-bottom: 8px; color: var(--site-ink); font-size: 22px; }
.site-empty-lg p { margin: 0 0 18px; }

.site-map-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 28px 0 12px;
  font-size: 20px;
}

.site-map-group { margin-bottom: 18px; }
.site-map-group h3 { margin: 0 0 8px; color: var(--site-muted); font-size: 14px; }

.site-map-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
}

.site-map-links a {
  padding: 6px 10px;
  border-radius: 6px;
  background: var(--site-card);
  border: 1px solid var(--site-line);
  font-size: 13px;
}

.site-map-links a:hover { border-color: var(--site-blue); color: var(--site-blue); }
.site-map-links em { color: var(--site-free-fg); font-style: normal; margin-left: 4px; }

.article-body {
  font-size: 16px;
  line-height: 1.9;
  color: var(--site-ink);
}

.article-body p { margin: 0 0 16px; }
.article-body h2,
.article-body h3 { margin: 28px 0 10px; color: var(--site-ink); }
.article-body ul,
.article-body ol { padding-left: 1.2em; }
.article-body li { margin: 0 0 8px; }
.article-body strong { color: var(--site-ink); }
.article-body img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 8px 0 18px;
  border-radius: 8px;
  border: 1px solid var(--site-line);
}

.site-modal[hidden] { display: none; }
.site-modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 20px;
}
.site-modal-backdrop {
  position: absolute;
  inset: 0;
  background: var(--site-modal-mask);
}
.site-modal-card {
  position: relative;
  width: min(420px, 100%);
  padding: 28px 24px 24px;
  background: var(--site-modal-bg);
  border: 1px solid var(--site-modal-line);
  border-radius: 12px;
  box-shadow: var(--site-shadow);
  text-align: center;
}
.site-modal-close {
  position: absolute;
  top: 10px;
  right: 12px;
  border: 0;
  background: transparent;
  font-size: 24px;
  line-height: 1;
  color: var(--site-muted);
  cursor: pointer;
}
.site-modal-card h2 { margin: 0 0 8px; font-size: 22px; }
.site-modal-text { margin: 0 0 16px; color: var(--site-muted); line-height: 1.7; }
.site-modal-qr {
  margin: 0 auto 8px;
  width: 220px;
  height: 220px;
  padding: 10px;
  background: #fff;
  border-radius: 10px;
}
.site-modal-qr img { width: 100%; height: 100%; object-fit: contain; }

@media (max-width: 900px) {
  .site-nav { display: none; }
  .site-header.is-open .site-nav {
    display: flex;
    flex-direction: column;
    width: 100%;
    order: 4;
    padding-bottom: 12px;
  }
  .site-header.is-open .site-header-inner {
    height: auto;
    flex-wrap: wrap;
    padding: 12px 0;
  }
  .site-menu-toggle { display: inline-flex; }
  .site-hero-grid,
  .site-stats,
  .site-grid,
  .site-detail,
  .site-help-grid,
  .site-features-grid,
  .site-footer-inner { grid-template-columns: 1fr; }
  .site-hero { padding: 32px 0 20px; }
  .site-panel-sticky { position: static; }
  .site-card strong { min-height: 0; }
}