/* ═══════════════════════════════════════════════
   小菜鸡仓库 — site.css
   ═══════════════════════════════════════════════ */

/* ── Design tokens: light theme (default) ── */
:root {
  --brand:          #111827;
  --accent:         #5b5bf6;
  --accent-2:       #4f46e5;
  --accent-text:    #4338ca;
  --accent-soft:    rgba(99,102,241,.10);
  --accent-glow:    rgba(99,102,241,.22);
  --text-1:         #111827;
  --text-2:         #4b5563;
  --text-3:         #6b7280;
  --border:         rgba(15,23,42,.08);
  --border-strong:  rgba(15,23,42,.16);
  --bg:             #f6f8fb;
  --surface:        #ffffff;
  --surface-2:      #f1f3f8;
  --surface-strong: #e7eaf2;
  --danger:         #dc2626;
  --danger-soft:    rgba(220,38,38,.08);
  --success:        #059669;
  --success-soft:   rgba(5,150,105,.08);
  --warn:           #d97706;
  --warn-soft:      rgba(217,119,6,.12);
  --r-sm:           8px;
  --r-md:           12px;
  --r-lg:           18px;
  --shadow-sm:      0 1px 2px rgba(15,23,42,.06);
  --shadow-md:      0 4px 16px rgba(15,23,42,.08);
  --shadow-glow:    0 0 24px rgba(99,102,241,.18);
  --blur:           saturate(140%) blur(10px);
  --body-bg:
    radial-gradient(1100px 600px at 90% -10%, rgba(99,102,241,.10), transparent 55%),
    radial-gradient(900px 500px at -10% 110%, rgba(168,85,247,.07), transparent 60%),
    linear-gradient(180deg, #fbfcfe 0%, #f6f8fb 100%);
  --nav-bg:         rgba(255, 255, 255, .82);
  --nav-dropdown-bg:rgba(255, 255, 255, .96);
  --gradient-title: linear-gradient(135deg, #111827 0%, #5b5bf6 100%);
}

/* ── Design tokens: deep glass theme (opt-in via data-theme="dark") ── */
:root[data-theme="dark"] {
  --brand:          #ffffff;
  --accent:         #818cf8;
  --accent-2:       #c4b5fd;
  --accent-text:    #c7d2fe;
  --accent-soft:    rgba(129,140,248,.16);
  --accent-glow:    rgba(129,140,248,.35);
  --text-1:         #e6e8ee;
  --text-2:         #9aa3b2;
  --text-3:         #6b7384;
  --border:         rgba(255,255,255,.08);
  --border-strong:  rgba(255,255,255,.16);
  --bg:             #0a0e1f;
  --surface:        rgba(255,255,255,.04);
  --surface-2:      rgba(255,255,255,.06);
  --surface-strong: rgba(255,255,255,.09);
  --danger:         #f87171;
  --danger-soft:    rgba(239,68,68,.12);
  --success:        #34d399;
  --success-soft:   rgba(16,185,129,.12);
  --warn:           #fbbf24;
  --warn-soft:      rgba(245,158,11,.15);
  --shadow-sm:      0 1px 2px rgba(0,0,0,.35), inset 0 0 0 1px rgba(255,255,255,.04);
  --shadow-md:      0 8px 32px rgba(0,0,0,.55), inset 0 0 0 1px rgba(255,255,255,.06);
  --shadow-glow:    0 0 40px rgba(129,140,248,.28);
  --blur:           saturate(180%) blur(22px);
  --body-bg:
    radial-gradient(1200px 700px at 85% -10%, rgba(99,102,241,.28), transparent 55%),
    radial-gradient(1000px 600px at -10% 100%, rgba(168,85,247,.22), transparent 60%),
    radial-gradient(800px 500px at 50% 50%, rgba(56,189,248,.06), transparent 70%),
    linear-gradient(180deg, #07091a 0%, #0a0f25 45%, #0a0e1f 100%);
  --nav-bg:         rgba(7, 9, 26, .55);
  --nav-dropdown-bg:rgba(7, 9, 26, .92);
  --gradient-title: linear-gradient(135deg, #fff 0%, #c4b5fd 100%);
}

/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-1);
  background: var(--body-bg);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  transition: background-color .25s, color .25s;
}

::selection { background: rgba(129,140,248,.4); color: #fff; }

a { color: var(--accent); transition: color .15s; }
a:hover { color: var(--accent-2); }

/* ── Navbar (glass) ── */
.site-nav {
  background: var(--nav-bg);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 56px;
  display: flex;
  align-items: center;
}

.brand {
  font-size: .9375rem;
  font-weight: 700;
  color: var(--brand);
  text-decoration: none;
  letter-spacing: -.02em;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  background: var(--gradient-title);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.brand:hover { filter: brightness(1.2); }

.nav-toggle {
  display: none;
  border: none;
  background: transparent;
  padding: 6px;
  cursor: pointer;
  margin-left: auto;
  color: var(--text-2);
  font-size: 1.4rem;
  line-height: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin-left: auto;
}

.nav-links li { display: flex; align-items: center; }

.nav-links a,
.nav-links button {
  font-size: .875rem;
  color: var(--text-2);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: var(--r-sm);
  border: none;
  background: transparent;
  cursor: pointer;
  font-family: inherit;
  line-height: 1.4;
  transition: background .15s, color .15s;
  display: block;
}
.nav-links a:hover,
.nav-links button:hover {
  background: var(--surface-2);
  color: var(--brand);
}
.nav-username {
  font-size: .875rem;
  color: var(--text-3);
  padding: 6px 10px;
}

/* 主题切换按钮 */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  padding: 0;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 999px;
  color: var(--text-1);
  cursor: pointer;
  transition: background .15s, color .15s, transform .15s;
}
.theme-toggle:hover { background: var(--surface-2); color: var(--accent); transform: rotate(15deg); }
.theme-toggle .theme-icon-light { display: inline-block; color: #f59e0b; }
.theme-toggle .theme-icon-dark  { display: none; }
[data-theme="dark"] .theme-toggle .theme-icon-light { display: none; }
[data-theme="dark"] .theme-toggle .theme-icon-dark  { display: inline-block; color: var(--text-1); }

@media (max-width: 640px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 56px;
    left: 0; right: 0;
    background: var(--nav-dropdown-bg, rgba(7, 9, 26, .92));
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: .5rem 1rem;
    gap: 2px;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-links a, .nav-links button {
    width: 100%;
    text-align: left;
    padding: 10px 12px;
    border-radius: var(--r-sm);
  }
  .nav-username { padding: 10px 12px; }
}

/* ── Page wrapper ── */
.page-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}
@media (max-width: 640px) {
  .page-wrap { padding: 1.25rem 1rem; }
}

/* ── Flash messages ── */
.flash-list { margin-bottom: 1.5rem; }
.flash-msg {
  padding: .7rem 1rem;
  border-radius: var(--r-md);
  border: 1px solid;
  margin-bottom: .5rem;
  font-size: .875rem;
}
.flash-msg { backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur); }
.flash-msg.success { background:var(--success-soft); border-color:rgba(52,211,153,.35); color:var(--success); }
.flash-msg.error,
.flash-msg.danger  { background:var(--danger-soft);  border-color:rgba(248,113,113,.35); color:var(--danger); }
.flash-msg.warning { background:var(--warn-soft);    border-color:rgba(251,191,36,.35);  color:var(--warn); }
.flash-msg.info    { background:var(--accent-soft);  border-color:rgba(129,140,248,.35); color:var(--accent-text); }

/* ── Two-column layout ── */
.layout-2col {
  display: grid;
  grid-template-columns: 1fr 256px;
  gap: 2rem;
  align-items: start;
}
@media (max-width: 860px) {
  .layout-2col { grid-template-columns: 1fr; }
  .sidebar { order: -1; }
}

/* ── Sidebar ── */
.sidebar-sticky { position: sticky; top: 76px; }

.sidebar-card {
  background: var(--surface);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: 1rem;
}
.sidebar-card-header {
  padding: .625rem 1rem;
  font-size: .775rem;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: .05em;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}
.sidebar-card-body { padding: .875rem 1rem; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 14px;
  font-size: .875rem;
  font-weight: 500;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
  line-height: 1.4;
  transition: background .15s, border-color .15s;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 18px rgba(99,102,241,.35), inset 0 0 0 1px rgba(255,255,255,.15);
  transition: transform .15s, box-shadow .15s, filter .15s;
}
.btn-primary:hover {
  filter: brightness(1.08);
  box-shadow: 0 6px 24px rgba(129,140,248,.5), inset 0 0 0 1px rgba(255,255,255,.25);
  transform: translateY(-1px);
  color: #fff;
}
.btn-outline {
  background: var(--surface);
  color: var(--text-1);
  border-color: var(--border-strong);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}
.btn-outline:hover { background: var(--surface-strong); color: var(--brand); border-color: var(--border-strong); }
.btn-sm { padding: 5px 10px; font-size: .8rem; }
.btn-full { width: 100%; justify-content: center; padding: 10px; font-size: .95rem; }

/* ── Search input ── */
.search-form { display: flex; gap: 8px; }
.search-input {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 7px 12px;
  font-size: .875rem;
  font-family: inherit;
  color: var(--text-1);
  outline: none;
  background: var(--surface);
  transition: border-color .15s, box-shadow .15s;
}
.search-input:focus {
  border-color: var(--accent);
  background: var(--surface-2);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.search-input::placeholder { color: var(--text-3); }

/* ── Tag filter (sidebar) ── */
.tag-filter { display: flex; flex-wrap: wrap; gap: 6px; }
.tag-filter-item {
  padding: 3px 10px;
  border-radius: 20px;
  font-size: .775rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--border);
  color: var(--text-2);
  background: var(--surface);
  transition: all .15s;
}
.tag-filter-item:hover { background: var(--accent-soft); border-color: rgba(129,140,248,.4); color: var(--accent-text); }
.tag-filter-item.active {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  border-color: transparent; color: #fff;
  box-shadow: 0 0 16px var(--accent-glow);
}

/* ── Page header ── */
.page-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  gap: 1rem;
  flex-wrap: wrap;
}
.page-header h1 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-1);
}
.page-header .count { font-size: .85rem; color: var(--text-3); }

/* ── Post cards ── */
.card-list { display: flex; flex-direction: column; gap: .875rem; }

.post-card {
  background: var(--surface);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.125rem 1.375rem;
  transition: box-shadow .2s, border-color .2s, transform .2s;
  text-decoration: none;
  display: block;
  color: inherit;
}
.post-card:hover {
  box-shadow: var(--shadow-md), 0 0 32px rgba(129,140,248,.15);
  border-color: rgba(129,140,248,.3);
  transform: translateY(-2px);
  color: inherit;
}

.post-card--pinned {
  border-color: rgba(129,140,248,.42);
  box-shadow: var(--shadow-md), 0 0 32px rgba(129,140,248,.25);
  background: linear-gradient(135deg, rgba(99,102,241,.08), rgba(168,85,247,.04)), var(--surface);
}
.post-card--pinned:hover {
  border-color: rgba(168,85,247,.55);
  box-shadow: var(--shadow-md), 0 0 48px rgba(168,85,247,.35);
}
.post-pin-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .68rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: #fff;
  letter-spacing: .04em;
  vertical-align: middle;
  margin-right: 6px;
  box-shadow: 0 0 12px var(--accent-glow);
}
.post-pin-chip .bi { font-size: .68rem; }

.post-card--vip {
  border-color: rgba(245,158,11,.5);
  box-shadow: var(--shadow-md), 0 0 36px rgba(245,158,11,.22);
  background: linear-gradient(135deg, rgba(245,158,11,.10), rgba(234,88,12,.04)), var(--surface);
}
.post-card--vip:hover {
  border-color: rgba(234,88,12,.6);
  box-shadow: var(--shadow-md), 0 0 52px rgba(245,158,11,.4);
}

/* 首页内部群推广 — 紧凑一行 */
.vip-banner {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .55rem .85rem;
  margin-bottom: .5rem;
  border-radius: 10px;
  border: 1px solid rgba(245,158,11,.35);
  background: linear-gradient(135deg, rgba(245,158,11,.10), rgba(234,88,12,.04)), var(--surface);
  box-shadow: var(--shadow-sm), 0 0 16px rgba(245,158,11,.12);
  text-decoration: none;
  transition: all .2s;
}
.vip-banner:hover {
  border-color: rgba(234,88,12,.55);
  box-shadow: var(--shadow-sm), 0 0 24px rgba(245,158,11,.28);
}
.vip-banner-chip {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
  box-shadow: 0 0 10px rgba(245,158,11,.35);
}
.vip-banner-chip .bi { font-size: .62rem; }
.vip-banner-text {
  flex: 1;
  font-size: .85rem;
  font-weight: 500;
  color: var(--text-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.vip-banner-arrow {
  flex-shrink: 0;
  color: var(--text-3);
  font-size: .82rem;
  transition: all .2s;
}
.vip-banner:hover .vip-banner-arrow {
  color: #f59e0b;
  transform: translateX(7px);
}

.post-pin-chip--gold {
  background: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
  box-shadow: 0 0 14px rgba(245,158,11,.45);
}

.post-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: .75rem;
  margin-bottom: .4rem;
}
.post-card-title {
  font-size: .975rem;
  font-weight: 600;
  color: var(--text-1);
  line-height: 1.45;
  flex: 1;
}
.post-card:hover .post-card-title { color: var(--accent); }

.post-card-badges { display: flex; align-items: center; gap: 5px; flex-shrink: 0; }

.post-card-summary {
  font-size: .85rem;
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: .625rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-images {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: .625rem;
}
.post-card-images:empty { display: none; }
.post-card-thumb {
  height: 128px;
  width: auto;
  max-width: 240px;
  object-fit: cover;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
}

.post-card-files {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-bottom: .625rem;
}
.post-card-files:empty { display: none; }
.post-card-file {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .75rem;
  color: var(--text-2);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 3px 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}
.post-card-file i { color: var(--text-3); flex-shrink: 0; }

.post-card-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .35rem .625rem;
  font-size: .775rem;
  color: var(--text-3);
}
.post-card-meta a { color: var(--text-3); text-decoration: none; }
.post-card-meta a:hover { color: var(--accent); }

/* ── Inline badges ── */
.badge-tag {
  display: inline-flex;
  align-items: center;
  font-size: .72rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 20px;
  background: var(--accent-soft);
  color: var(--accent-text);
  text-decoration: none;
  border: 1px solid rgba(129,140,248,.3);
  transition: background .15s;
}
.badge-tag:hover { background: rgba(129,140,248,.28); color: var(--brand); }

.badge-attach {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: .72rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 20px;
  background: var(--surface-2);
  color: var(--text-2);
  border: 1px solid var(--border);
}

.badge-source {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: .72rem;
  color: var(--text-3);
  text-decoration: none;
}
.badge-source:hover { color: var(--accent); }

/* ── Pagination ── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 2rem;
  padding: 0;
  list-style: none;
}
.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border-radius: var(--r-sm);
  font-size: .85rem;
  text-decoration: none;
  border: 1px solid var(--border);
  color: var(--text-2);
  background: var(--surface);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  transition: all .15s;
}
.pagination a:hover { background: var(--accent-soft); border-color: rgba(129,140,248,.4); color: var(--brand); }
.pagination .current {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  border-color: transparent; color: #fff;
  box-shadow: 0 0 18px var(--accent-glow);
}
.pagination .disabled { color: var(--text-3); opacity: .5; }

/* ── Paywall CTA (列表底部，非会员看到的开通卡片) ── */
.paywall-cta {
  margin-top: 1.5rem;
  padding: 2rem 1.5rem;
  text-align: center;
  background: linear-gradient(180deg, rgba(129,140,248,.10) 0%, rgba(139,92,246,.08) 100%);
  border: 1px solid rgba(129,140,248,.25);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-glow);
  position: relative;
  overflow: hidden;
}
.paywall-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(129,140,248,.12), transparent 60%);
  pointer-events: none;
}
.paywall-cta-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  margin-bottom: .85rem;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  font-size: 1.25rem;
  box-shadow: 0 0 24px var(--accent-glow);
}
.paywall-cta-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: .35rem;
}
.paywall-cta-desc {
  color: var(--text-2);
  font-size: .9rem;
  margin: 0 0 1.25rem;
  line-height: 1.6;
}
.paywall-cta-actions {
  display: inline-flex;
  gap: .6rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-3);
}
.empty-state .icon { font-size: 2.5rem; margin-bottom: 1rem; }
.empty-state p { font-size: .925rem; }

/* ── Detail page ── */
.detail-wrap { max-width: 780px; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .8rem;
  color: var(--text-3);
  margin-bottom: 1.25rem;
  padding: 0;
  list-style: none;
}
.breadcrumb a { color: var(--text-3); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { color: var(--border); }

.detail-article {
  background: var(--surface);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 2.25rem 2.75rem;
}
@media (max-width: 640px) {
  .detail-article { padding: 1.5rem 1.25rem; }
}

.detail-title {
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.35;
  margin-bottom: 1rem;
  letter-spacing: -.02em;
}
@media (max-width: 640px) {
  .detail-title { font-size: 1.2rem; }
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .4rem .75rem;
  font-size: .835rem;
  color: var(--text-2);
  padding-bottom: 1.125rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}
.detail-meta a { color: var(--text-2); text-decoration: none; }
.detail-meta a:hover { color: var(--accent); }

.detail-summary {
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  padding: .875rem 1.25rem;
  margin-bottom: 1.75rem;
  font-size: .9rem;
  color: var(--text-1);
  line-height: 1.7;
}
.detail-summary strong { color: var(--accent-2); }

.detail-body {
  font-size: .95rem;
  line-height: 1.9;
  color: var(--text-1);
}
.detail-body p { margin-bottom: 1.1em; }
.detail-body h1, .detail-body h2, .detail-body h3,
.detail-body h4, .detail-body h5 {
  font-weight: 700;
  margin: 1.5em 0 .5em;
  color: var(--text-1);
  line-height: 1.35;
}
.detail-body h1 { font-size: 1.35rem; }
.detail-body h2 { font-size: 1.15rem; }
.detail-body h3 { font-size: 1rem; }
.detail-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--r-md);
  margin: .5em 0;
  display: block;
}
.detail-body a { color: var(--accent); }
.detail-image {
  margin: 1rem 0;
}
.detail-image img {
  max-width: 100%;
  height: auto;
  border-radius: var(--r-md);
  display: block;
}
.detail-image img:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,.15);
}
.detail-body ul, .detail-body ol {
  padding-left: 1.5em;
  margin-bottom: 1em;
}
.detail-body li { margin-bottom: .3em; }
.detail-body blockquote {
  border-left: 3px solid var(--border);
  margin: 1em 0;
  padding: .5rem 1rem;
  color: var(--text-2);
}
.detail-body code {
  background: var(--surface-strong);
  border: 1px solid var(--border);
  color: #fde68a;
  padding: .15em .4em;
  border-radius: 4px;
  font-size: .875em;
  font-family: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;
}
.detail-body pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: 1rem 1.25rem;
  border-radius: var(--r-md);
  overflow-x: auto;
  font-size: .85rem;
  line-height: 1.6;
  margin: 1em 0;
}
.detail-body pre code { background: none; padding: 0; color: inherit; font-size: inherit; }
.detail-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
  margin: 1em 0;
}
.detail-body th, .detail-body td {
  border: 1px solid var(--border);
  padding: .5rem .75rem;
  text-align: left;
}
.detail-body th { background: var(--surface-2); font-weight: 600; color: var(--brand); }

/* ── Attachments ── */
.attachments-card {
  background: var(--surface);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-top: 1.25rem;
}
.attachments-header {
  padding: .75rem 1.25rem;
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}
.attachment-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .875rem 1.25rem;
  border-bottom: 1px solid var(--border);
  gap: 1rem;
}
.attachment-item:last-child { border-bottom: none; }
.attachment-info { display: flex; align-items: center; gap: .75rem; min-width: 0; }
.attachment-icon { color: var(--text-3); font-size: 1.1rem; flex-shrink: 0; }
.attachment-name { font-size: .875rem; color: var(--text-1); }
.attachment-size { font-size: .75rem; color: var(--text-3); margin-top: 1px; }

.detail-actions { margin-top: 1.5rem; }

/* ── Auth forms ── */
.form-page {
  display: flex;
  justify-content: center;
  padding-top: 2.5rem;
}
.form-card {
  background: var(--surface);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  padding: 2.25rem 2rem;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-md);
  position: relative;
}
.form-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: var(--r-lg);
  padding: 1px;
  background: linear-gradient(135deg, rgba(129,140,248,.4), rgba(168,85,247,.15), transparent 60%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}
.form-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 1.75rem;
  text-align: center;
}
.form-group { margin-bottom: 1rem; }
.form-label {
  display: block;
  font-size: .85rem;
  font-weight: 500;
  color: var(--text-2);
  margin-bottom: 5px;
}
.form-input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 9px 12px;
  font-size: .925rem;
  font-family: inherit;
  color: var(--text-1);
  outline: none;
  background: var(--surface);
  transition: border-color .15s, box-shadow .15s;
}
.form-input:focus {
  border-color: var(--accent);
  background: var(--surface-2);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-input.is-error { border-color: var(--danger); }
.form-error { font-size: .8rem; color: var(--danger); margin-top: 4px; }
.form-help { font-size: .8rem; color: var(--text-3); margin-top: 4px; }
.form-error-box {
  background: var(--danger-soft);
  border: 1px solid rgba(248,113,113,.35);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-radius: var(--r-sm);
  padding: .75rem 1rem;
  font-size: .875rem;
  color: var(--danger);
  margin-bottom: 1rem;
}
.form-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0;
}
.form-footer { text-align: center; font-size: .85rem; color: var(--text-3); }
.form-footer a { color: var(--accent); text-decoration: none; }
.form-footer a:hover { text-decoration: underline; }
.invite-note {
  background: var(--success-soft);
  border: 1px solid rgba(52,211,153,.32);
  border-radius: var(--r-sm);
  padding: .625rem .875rem;
  font-size: .8rem;
  color: var(--success);
  margin-bottom: 1.25rem;
}

/* ── Search page ── */
.search-hero { margin-bottom: 1.75rem; }
.search-hero h1 { font-size: 1.125rem; font-weight: 700; color: var(--text-1); margin-bottom: 1rem; }
.search-hero .search-input { font-size: .95rem; padding: 9px 14px; }
.search-hero .btn { padding: 9px 16px; font-size: .95rem; }
.search-result-count { font-size: .875rem; color: var(--text-3); margin-bottom: 1rem; }
.search-result-count strong { color: var(--text-1); }

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  padding: 1.5rem;
  text-align: center;
  font-size: .8rem;
  color: var(--text-3);
}

.notice-banner {
  background: var(--warn-soft);
  border: 1px solid rgba(251,191,36,.32);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-radius: 8px;
  padding: .75rem 1rem;
  margin-bottom: 1.25rem;
  color: var(--warn);
  font-size: .9rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* ════════════════════════════════
   AI 要点分析卡片
   ════════════════════════════════ */
.ai-card {
  margin-top: 1.5rem;
  background: var(--surface);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  border-top: 2.5px solid var(--accent);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 0 24px rgba(129,140,248,.1);
}

.ai-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem 1.375rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}
.ai-card-title {
  font-size: .825rem;
  font-weight: 700;
  color: var(--text-1);
  display: flex;
  align-items: center;
  gap: 6px;
  letter-spacing: -.01em;
}
.ai-card-title .bi-stars { color: var(--accent); font-size: .8rem; }
.ai-card-brand {
  font-size: .72rem;
  color: var(--text-3);
  font-weight: 500;
  letter-spacing: .04em;
}

.ai-card-body { padding: 1.125rem 1.375rem; }

/* ── 骨架屏 ── */
.ai-skels { display: flex; flex-direction: column; gap: 1rem; }
.ai-skel-group { display: flex; flex-direction: column; gap: 7px; }
.ai-skel-label {
  height: 10px;
  width: 15%;
  border-radius: 4px;
  background: linear-gradient(90deg, rgba(255,255,255,.04) 25%, rgba(255,255,255,.12) 50%, rgba(255,255,255,.04) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease infinite;
  margin-bottom: 2px;
}
.ai-skel {
  height: 13px;
  border-radius: 5px;
  background: linear-gradient(90deg, rgba(255,255,255,.03) 25%, rgba(255,255,255,.1) 50%, rgba(255,255,255,.03) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease infinite;
}
@keyframes shimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

/* ── 分析内容 ── */
.ai-sections { display: flex; flex-direction: column; gap: 1.125rem; }
.ai-section {}
.ai-section-label {
  font-size: .68rem;
  font-weight: 700;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: .5rem;
}
.ai-bullets { display: flex; flex-direction: column; gap: 5px; }

/* 通用 bullet */
.ai-bullet {
  font-size: .875rem;
  line-height: 1.6;
  color: var(--text-1);
  padding: .4rem .8rem;
  border-radius: 6px;
  border-left: 2.5px solid var(--border-strong);
  background: var(--surface-2);
  opacity: 0;
  animation: bulletSlide .3s ease forwards;
  animation-delay: var(--d, 0s);
}
.ai-bullet--insight { border-left-color: var(--accent); }
.ai-bullet--ok      { border-left-color: var(--success); }
.ai-bullet--warn    { border-left-color: var(--warn); background: var(--warn-soft); }
.ai-bullet--err     { border-left-color: var(--danger); background: var(--danger-soft); }
.ai-bullet--muted   { color: var(--text-3); border-left-color: var(--border); }

@keyframes bulletSlide {
  from { opacity: 0; transform: translateX(-6px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ticker row */
.ai-ticker-row {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: .4rem .8rem;
  border-radius: 6px;
  border-left: 2.5px solid var(--accent-2);
  background: rgba(124,58,237,.12);
  font-size: .875rem;
  opacity: 0;
  animation: bulletSlide .3s ease forwards;
  animation-delay: var(--d, 0s);
}
.ai-ticker-chip {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  white-space: nowrap;
  flex-shrink: 0;
  font-family: "JetBrains Mono", "Cascadia Code", monospace;
  letter-spacing: .02em;
  box-shadow: 0 0 12px var(--accent-glow);
}
.ai-ticker-reason { color: var(--text-2); line-height: 1.5; }

/* ── 追问区 ── */
.ai-followup {
  display: none;
  flex-direction: column;
  gap: .875rem;
  margin-top: 1.125rem;
  padding-top: 1.125rem;
  border-top: 1px dashed var(--border);
  opacity: 0;
  transition: opacity .3s ease;
}
.ai-followup.visible { display: flex; opacity: 1; }

.ai-exchanges { display: flex; flex-direction: column; gap: .75rem; }

.ai-exchange { display: flex; flex-direction: column; gap: 5px; }
.ai-exchange-q {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: .8rem;
  color: var(--text-2);
  font-weight: 500;
}
.ai-exchange-q .bi { color: var(--text-3); font-size: .75rem; }
.ai-exchange-a {
  font-size: .875rem;
  line-height: 1.75;
  color: var(--text-1);
  padding: .625rem .875rem;
  background: var(--surface-2);
  border-radius: 6px;
  border-left: 2.5px solid var(--accent);
}
.ai-exchange-a p { margin: 0 0 .5em; }
.ai-exchange-a p:last-child { margin: 0; }

/* waiting dots for follow-up */
.ai-dots {
  display: inline-flex;
  gap: 4px;
  align-items: center;
  padding: 2px 0;
}
.ai-dots span {
  display: block;
  width: 5px; height: 5px;
  background: rgba(199,210,254,.5);
  border-radius: 50%;
  animation: dotBounce 1.2s ease-in-out infinite;
}
.ai-dots span:nth-child(2) { animation-delay: .16s; }
.ai-dots span:nth-child(3) { animation-delay: .32s; }
@keyframes dotBounce {
  0%,60%,100% { transform: translateY(0); background: rgba(199,210,254,.5); }
  30%          { transform: translateY(-5px); background: var(--accent); }
}

.ai-followup-row {
  display: flex;
  gap: 8px;
  align-items: center;
}
.ai-followup-input {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 7px 15px;
  font-size: .875rem;
  font-family: inherit;
  color: var(--text-1);
  outline: none;
  background: var(--surface-2);
  transition: border-color .15s, box-shadow .15s;
}
.ai-followup-input:focus {
  border-color: var(--accent);
  background: var(--surface-strong);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.ai-followup-input::placeholder { color: var(--text-3); }
.ai-followup-send {
  width: 32px; height: 32px;
  flex-shrink: 0;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  transition: filter .15s, transform .1s, box-shadow .15s;
  box-shadow: 0 4px 14px var(--accent-glow);
}
.ai-followup-send:hover:not(:disabled) { filter: brightness(1.12); transform: scale(1.08); }
.ai-followup-send:disabled { opacity: .3; cursor: not-allowed; transform: none; }

.ai-error { font-size: .875rem; color: var(--text-3); text-align: center; padding: .5rem 0; }

.ai-loading {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--text-2);
  font-size: .85rem;
}
.ai-loading .bi-globe2 { color: var(--accent); font-size: .9rem; }

.ai-search-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: .5rem;
  padding: 3px 9px;
  font-size: .7rem;
  font-weight: 500;
  color: var(--accent-text);
  background: var(--accent-soft);
  border: 1px solid rgba(129,140,248,.3);
  border-radius: 999px;
}
.ai-search-badge .bi { font-size: .72rem; }


/* ════════════════════════════════
   Bento / Glass utilities
   ════════════════════════════════ */

.glass-card {
  position: relative;
  background: var(--surface);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
}
.glass-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--r-lg);
  padding: 1px;
  background: linear-gradient(135deg, rgba(255,255,255,.18), rgba(255,255,255,.02) 40%, transparent 70%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}
.glass-card--accent {
  border-color: rgba(129,140,248,.42);
  box-shadow: var(--shadow-md), 0 0 36px rgba(129,140,248,.28);
}
.glass-card--accent::before {
  background: linear-gradient(135deg, rgba(129,140,248,.6), rgba(168,85,247,.25) 50%, transparent 80%);
}

.glass-card--gold {
  border-color: rgba(245,158,11,.45);
  box-shadow: var(--shadow-md), 0 0 36px rgba(245,158,11,.25);
}
.glass-card--gold::before {
  background: linear-gradient(135deg, rgba(245,158,11,.55), rgba(234,88,12,.2) 50%, transparent 80%);
}

.plan-tag--gold {
  background: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%) !important;
  box-shadow: 0 0 14px rgba(245,158,11,.4) !important;
}

.btn-gold {
  background: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
  color: #fff;
  border: 1px solid transparent;
  box-shadow: 0 0 16px rgba(245,158,11,.3);
}
.btn-gold:hover {
  background: linear-gradient(135deg, #d97706 0%, #c2410c 100%);
  color: #fff;
  box-shadow: 0 0 24px rgba(245,158,11,.45);
}
.btn-gold .bi-wechat { color: #fff; }

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 768px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1rem;
}
.bento-grid > * { grid-column: span 12; }
@media (min-width: 640px) {
  .bento-grid > .bento-2  { grid-column: span 6; }
  .bento-grid > .bento-3  { grid-column: span 4; }
  .bento-grid > .bento-4  { grid-column: span 3; }
  .bento-grid > .bento-6  { grid-column: span 6; }
  .bento-grid > .bento-8  { grid-column: span 8; }
  .bento-grid > .bento-9  { grid-column: span 9; }
}

.dash-stat {
  padding: 1.25rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.dash-stat-label {
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--text-3);
  text-transform: uppercase;
}
.dash-stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: #fff;
  font-feature-settings: "tnum";
  letter-spacing: -.02em;
  background: var(--gradient-title);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.dash-stat-hint { font-size: .78rem; color: var(--text-2); }

.plan-card {
  position: relative;
  padding: 1.75rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: .9rem;
  min-height: 240px;
}
.plan-card .plan-tag {
  position: absolute;
  top: 14px; right: 14px;
  font-size: .68rem;
  padding: 3px 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: #fff;
  letter-spacing: .06em;
  text-transform: uppercase;
  box-shadow: 0 0 14px var(--accent-glow);
}
.plan-card .plan-name {
  font-size: 1rem;
  color: var(--text-2);
  letter-spacing: .04em;
}
.plan-card .plan-price {
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: -.03em;
  color: var(--brand);
  display: flex;
  align-items: baseline;
  gap: .35rem;
}
.plan-card .plan-price .plan-unit {
  font-size: .85rem;
  font-weight: 500;
  color: var(--text-3);
}
.plan-card .plan-meta {
  color: var(--text-2);
  font-size: .88rem;
}
.plan-card button {
  margin-top: auto;
}
.pay-method-row {
  margin-top: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.pay-method-row .btn { margin-top: 0; padding: 9px 8px; }
.pay-method-row .bi-wechat { color: #07c160; }
.pay-method-row .btn-primary .bi-wechat { color: #fff; }
.pay-method-row .bi-alipay { color: #1677ff; }

.value-tile {
  padding: 1.1rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.value-tile .value-icon {
  width: 34px; height: 34px;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(99,102,241,.25), rgba(168,85,247,.18));
  color: #c4b5fd;
  font-size: 1.05rem;
  margin-bottom: .25rem;
  border: 1px solid rgba(129,140,248,.28);
}
.value-tile h3 {
  font-size: .95rem;
  font-weight: 600;
  color: var(--brand);
}
.value-tile p {
  font-size: .82rem;
  color: var(--text-2);
  line-height: 1.6;
}

.faq-item {
  border-top: 1px solid var(--border);
  padding: .9rem 0;
}
.faq-item:first-of-type { border-top: none; padding-top: 0; }
.faq-item summary {
  cursor: pointer;
  font-weight: 500;
  color: var(--brand);
  font-size: .92rem;
  list-style: none;
  display: flex; align-items: center; justify-content: space-between;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--text-3); font-size: 1.1rem; }
.faq-item[open] summary::after { content: "−"; color: var(--accent); }
.faq-item p {
  margin-top: .65rem;
  font-size: .85rem;
  color: var(--text-2);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════
   Mobile pass (≤ 640px / ≤ 480px)
   只补充移动端必要的尺寸/排版调整,不动桌面样式
   ═══════════════════════════════════════════════ */
@media (max-width: 640px) {

  /* 全局 */
  html { -webkit-text-size-adjust: 100%; }
  body { font-size: 15px; overflow-x: hidden; }

  /* 防止任何内容横向溢出 */
  .page-wrap, .detail-wrap { overflow-x: clip; max-width: 100vw; }
  .layout-2col > * { min-width: 0; }       /* grid item 默认 min-width:auto 会被超长子节点撑爆 */
  img, video { max-width: 100%; height: auto; }

  /* 卡片本身永不超出 */
  .post-card { max-width: 100%; min-width: 0; overflow: hidden; overflow-wrap: anywhere; word-break: break-word; }
  .post-card-header { min-width: 0; flex-wrap: wrap; }
  .post-card-title { min-width: 0; }
  .post-card-summary { word-break: break-word; overflow-wrap: anywhere; }
  .post-card-thumb { max-width: 100%; }   /* 即使有 160px max-width,也不能超出父容器 */
  .post-card-meta { min-width: 0; }

  /* 帖子卡片 */
  .post-card { padding: .95rem 1rem; border-radius: var(--r-md); }
  .post-card-title { font-size: .94rem; }
  .post-card-summary { font-size: .82rem; -webkit-line-clamp: 3; }
  .post-card-thumb { height: 96px; max-width: 160px; }
  .post-card-images { gap: 5px; }
  .post-card-meta { font-size: .72rem; gap: .25rem .5rem; }

  /* 列表头 */
  .page-header { flex-direction: column; align-items: flex-start; gap: .35rem; }
  .page-header h1 { font-size: 1.1rem; }
  .page-header .count { font-size: .8rem; }

  /* 分页 */
  .pagination { gap: 4px; }
  .pagination a, .pagination span { min-width: 40px; height: 40px; padding: 0 10px; }

  /* 详情页 */
  .detail-article { padding: 1.25rem 1rem; }
  .detail-body { font-size: .94rem; line-height: 1.85; }
  .detail-body h1 { font-size: 1.2rem; }
  .detail-body h2 { font-size: 1.05rem; }
  .detail-body h3 { font-size: .98rem; }
  .detail-body pre { font-size: .8rem; overflow-x: auto; }
  .detail-body table { display: block; overflow-x: auto; }
  .breadcrumb { font-size: .8rem; flex-wrap: wrap; }

  /* AI 卡片 */
  .ai-card-header { padding: .65rem 1rem; }
  .ai-card-body   { padding: 1rem; }
  .ai-card-title  { font-size: .78rem; }
  .ai-section-label { font-size: .72rem; }
  .ai-bullet { font-size: .88rem; line-height: 1.6; }
  .ai-followup-row { gap: 6px; }
  .ai-followup-input { font-size: .9rem; padding: 8px 12px; }
  .ai-followup-send { width: 38px; height: 38px; }
  .ai-ticker-row { flex-direction: column; align-items: flex-start; gap: 4px; }
  .ai-search-badge { font-size: .72rem; }

  /* 附件 */
  .attachments-card { padding: .35rem .75rem; }
  .attachment-item { padding: .65rem 0; flex-wrap: wrap; gap: .5rem; }
  .attachment-info { flex: 1 1 auto; min-width: 0; }
  .attachment-name { font-size: .82rem; word-break: break-all; }

  /* 表单 */
  .form-page { padding-top: 1rem; }
  .form-card { padding: 1.5rem 1.25rem; max-width: 100%; }
  .form-card-title { font-size: 1.05rem; margin-bottom: 1.25rem; }
  .form-input { font-size: 16px; padding: 11px 12px; }  /* 16px 避免 iOS 自动放大 */

  /* 通用按钮:最小 44px 触摸目标 */
  .btn { min-height: 40px; padding: 9px 14px; font-size: .9rem; }
  .btn-sm { min-height: 34px; padding: 6px 10px; font-size: .8rem; }
  .btn-full { min-height: 46px; font-size: .95rem; }

  /* Paywall CTA */
  .paywall-cta { padding: 1.5rem 1rem; }
  .paywall-cta-title { font-size: .98rem; }
  .paywall-cta-desc { font-size: .85rem; }
  .paywall-cta-actions { flex-direction: column; gap: .5rem; width: 100%; }
  .paywall-cta-actions .btn { width: 100%; justify-content: center; }

  /* Pricing 套餐卡 */
  .plan-card { padding: 1.35rem 1.25rem; }
  .plan-card .plan-price { font-size: 2rem; }
  .value-tile { padding: 1.1rem 1rem; }
  .value-tile h3 { font-size: .92rem; }
  .value-tile p { font-size: .8rem; }

  /* Footer */
  .site-footer { font-size: .78rem; padding: 1.25rem 1rem; }

  /* Flash 消息 */
  .flash-msg { font-size: .82rem; padding: .65rem .85rem; }
}

@media (max-width: 480px) {
  /* 极小屏:再收一档 */
  .post-card-thumb { height: 80px; max-width: 140px; }
  .ai-card-body { padding: .85rem; }
  .form-card { padding: 1.25rem 1rem; }
  .detail-article { padding: 1rem .85rem; }
  .page-wrap { padding: 1rem .75rem; }
}