/* 星图 · 深空科技：T23.6 四样板页主题层 */
html:not(:has(.admin-layout)) {
  background: var(--bg-page);
}

body:not(:has(.admin-layout)) {
  background:
    radial-gradient(circle at 12% 8%, rgba(96,165,250,.12), transparent 28rem),
    radial-gradient(circle at 88% 14%, rgba(167,139,250,.11), transparent 25rem),
    var(--bg-page);
  color: var(--text-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  letter-spacing: var(--ls-body);
}

body:not(:has(.admin-layout)) .site-header {
  background: rgba(11,18,32,.92);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 28px rgba(0,0,0,.24);
  backdrop-filter: blur(14px);
}
body:not(:has(.admin-layout)) .site-header .logo,
body:not(:has(.admin-layout)) .site-header a { color: var(--text-body); }
body:not(:has(.admin-layout)) .site-header .logo { letter-spacing: 1.8px; font-weight: 700; }
body:not(:has(.admin-layout)) .site-header .main-nav { gap: 0; flex-wrap: nowrap; }
body:not(:has(.admin-layout)) .site-header .main-nav a { flex-shrink: 0; white-space: nowrap; padding: 8px 8px; font-size: 13px; }
body:not(:has(.admin-layout)) .site-header .header-actions { gap: 7px; }
body:not(:has(.admin-layout)) .site-header .user-menu { gap: 6px; }
body:not(:has(.admin-layout)) .site-header a:hover { color: var(--brand-cyan); }
body:not(:has(.admin-layout)) .header-search input { background: var(--bg-input); border-color: var(--line-strong); color: var(--text-body); }
body:not(:has(.admin-layout)) .header-search input:focus { border-color: var(--brand-cyan); box-shadow: var(--sh-glow); outline: 0; }
body:not(:has(.admin-layout)) .points-badge,
body:not(:has(.admin-layout)) .badge { background: var(--brand-cyan-soft); color: var(--brand-cyan); }
body:not(:has(.admin-layout)) .site-footer { background: var(--bg-header); border-top: 1px solid var(--line); color: var(--text-muted); }

.auth-page { max-width: 460px; margin: 7vh auto; padding: 0 18px; }
.auth-page .auth-form {
  background: linear-gradient(160deg, rgba(27,41,66,.96), rgba(20,30,48,.96));
  border: 1px solid var(--line-brand);
  border-radius: var(--r-card);
  box-shadow: var(--sh-card), 0 0 42px rgba(34,211,238,.08);
  padding: 38px;
}
.auth-page h2 { color: var(--text-strong); font-size: var(--fs-h1); letter-spacing: var(--ls-h1); margin-bottom: 28px; }
.auth-page label, .upload-page label { color: var(--text-muted); font-size: var(--fs-sm); letter-spacing: 1px; }
.auth-page input, .upload-page input, .upload-page select, .upload-page textarea {
  background: var(--bg-input);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-btn);
  color: var(--text-body);
  font-size: var(--fs-body);
  letter-spacing: var(--ls-body);
  min-height: 44px;
  padding: 10px 13px;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.auth-page input:focus, .upload-page input:focus, .upload-page select:focus, .upload-page textarea:focus { border-color: var(--brand-cyan); box-shadow: var(--sh-glow); outline: 0; }
.auth-page .form-footer { color: var(--text-muted); margin-top: 24px; text-align: center; }
.auth-page .form-footer a { color: var(--brand-cyan); }

.resource-index-page { padding: 34px 0 46px; }
.resource-index-page .section-header { align-items: end; margin-bottom: var(--sp-block); }
.resource-index-page h2 { color: var(--text-strong); font-size: var(--fs-h1); letter-spacing: var(--ls-h1); }
.resource-index-page .section-subtitle { color: var(--text-muted); font-size: var(--fs-body); margin-top: 8px; }
.resource-index-page .filter-bar-enhanced {
  background: linear-gradient(160deg, rgba(27,41,66,.92), rgba(20,30,48,.92));
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: var(--sh-card), var(--sh-inset);
  padding: var(--sp-card);
}
.resource-index-page .filter-row { gap: 18px; }
.resource-index-page .filter-group label { color: var(--text-weak); font-size: var(--fs-xs); letter-spacing: 1px; }
.resource-index-page select, .resource-index-page .search-input-wrap input { background: var(--bg-input); border-color: var(--line-strong); color: var(--text-body); border-radius: var(--r-btn); min-height: 42px; }
.resource-index-page select:focus, .resource-index-page .search-input-wrap input:focus { border-color: var(--brand-cyan); box-shadow: var(--sh-glow); outline: 0; }
.resource-index-page .resource-grid-enhanced { gap: 22px; }
.resource-index-page .resource-card-enhanced {
  background: linear-gradient(160deg, #18253c, #141e30);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: var(--sh-card), var(--sh-inset);
  overflow: hidden;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.resource-index-page .resource-card-enhanced:hover { border-color: var(--line-brand); box-shadow: var(--sh-card), 0 0 28px rgba(34,211,238,.12); transform: translateY(-2px); }
.resource-index-page .rce-body { padding: 20px; }
.resource-index-page .rce-title { color: var(--text-strong); font-size: var(--fs-h3); letter-spacing: var(--ls-h3); }
.resource-index-page .rce-grade, .resource-index-page .rce-author { color: var(--text-muted); font-size: var(--fs-sm); }
.resource-index-page .rce-stat { color: var(--text-weak); font-size: var(--fs-sm); }
.resource-index-page .rce-rating { color: var(--warn); }
.resource-index-page .rce-badge { border-radius: var(--r-tag); letter-spacing: 1px; }
.resource-index-page .empty-state { background: linear-gradient(160deg, #18253c, #141e30); border: 1px solid var(--line); border-radius: var(--r-card); box-shadow: var(--sh-card), var(--sh-inset); color: var(--text-muted); padding: 60px 24px; }
.resource-index-page .empty-icon { color: var(--brand-cyan); }
.resource-index-page .pagination { gap: 8px; margin-top: 34px; }
.resource-index-page .pagination a, .resource-index-page .page-current { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--r-tag); color: var(--text-muted); padding: 8px 13px; }
.resource-index-page .page-current, .resource-index-page .pagination a:hover { background: var(--brand-cyan-soft); border-color: var(--line-brand); color: var(--brand-cyan); }

.user-dashboard .dashboard-content { min-width: 0; }
.user-dashboard .dashboard-content > h2 { color: var(--text-strong); font-size: var(--fs-h2); letter-spacing: var(--ls-h2); margin-bottom: 24px; }
.user-dashboard .user-sidebar { background: linear-gradient(160deg, #18253c, #141e30); border: 1px solid var(--line); box-shadow: var(--sh-card), var(--sh-inset); border-radius: var(--r-card); }
.user-dashboard .user-sidebar h3 { color: var(--text-strong); font-size: var(--fs-h3); letter-spacing: var(--ls-h3); }
.user-dashboard .user-sidebar p { color: var(--text-muted); }
.user-dashboard .dashboard-nav a { border-radius: var(--r-tag); color: var(--text-muted); transition: color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease); }
.user-dashboard .dashboard-nav a:hover, .user-dashboard .dashboard-nav a.active { background: var(--brand-cyan-soft); color: var(--brand-cyan); transform: translateX(2px); }
.user-dashboard .data-table { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--r-card); box-shadow: var(--sh-card), var(--sh-inset); color: var(--text-body); overflow: hidden; }
.user-dashboard .data-table th { background: var(--bg-card-strong); border-bottom-color: var(--line-strong); color: var(--text-muted); font-size: var(--fs-sm); letter-spacing: 1px; padding: 15px 16px; }
.user-dashboard .data-table td { border-bottom-color: var(--line); color: var(--text-body); font-size: var(--fs-body); padding: 15px 16px; }
.user-dashboard .data-table tr:hover td { background: var(--bg-hover); }
.user-dashboard .dashboard-content > p { color: var(--text-muted); background: var(--bg-card); border: 1px dashed var(--line-strong); border-radius: var(--r-card); padding: 40px; text-align: center; }

.upload-page { padding: 34px 0 52px; }
.upload-page h2 { color: var(--text-strong); font-size: var(--fs-h1); letter-spacing: var(--ls-h1); margin-bottom: 28px; }
.upload-page .upload-form { background: linear-gradient(160deg, rgba(27,41,66,.96), rgba(20,30,48,.96)); border: 1px solid var(--line); border-radius: var(--r-card); box-shadow: var(--sh-card), var(--sh-inset); max-width: 760px; padding: var(--sp-card); }
.upload-page .form-row { gap: 18px; }
.upload-page .required { color: var(--warn); font-weight: 700; margin-left: 3px; }
.upload-page small { color: var(--text-weak); font-size: var(--fs-xs); }
.upload-page input[type=file] { border-style: dashed; padding: 12px; }
.upload-page input[type=file]::file-selector-button { background: var(--brand-cyan-soft); border: 1px solid var(--line-brand); border-radius: var(--r-tag); color: var(--brand-cyan); margin-right: 10px; padding: 7px 11px; }

body:not(:has(.admin-layout)) .btn-primary { background: linear-gradient(135deg, var(--brand-cyan), var(--brand-blue)); border: 1px solid rgba(255,255,255,.18); border-radius: var(--r-btn); box-shadow: 0 8px 20px rgba(34,211,238,.18); color: #07121f; font-weight: 600; transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), filter var(--dur) var(--ease); }
body:not(:has(.admin-layout)) .btn-primary:hover { box-shadow: 0 12px 28px rgba(34,211,238,.28); filter: brightness(1.06); transform: translateY(-2px); }
body:not(:has(.admin-layout)) .alert-error { background: rgba(239,68,68,.13); border-color: rgba(239,68,68,.42); color: #fecaca; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

@media (max-width: 768px) {
  body:not(:has(.admin-layout)) .site-header .header-container { padding: 0 14px; }
  body:not(:has(.admin-layout)) .site-header .main-nav,
  body:not(:has(.admin-layout)) .site-header .header-search { display: none; }
  body:not(:has(.admin-layout)) .site-header .user-info .points-badge,
  body:not(:has(.admin-layout)) .site-header .user-menu .btn-admin { display: none; }
  .auth-page { margin-top: 32px; }
  .auth-page .auth-form { padding: 26px 20px; }
  .resource-index-page .section-header { align-items: flex-start; flex-direction: column; gap: 16px; }
  .resource-index-page .filter-row { display: grid; grid-template-columns: 1fr 1fr; }
  .upload-page .form-row { display: block; }
}

@media (max-width: 520px) {
  .resource-index-page .filter-row { grid-template-columns: 1fr; }
  .resource-index-page .filter-search { grid-column: auto; }
}

/* === T23.7 全站前台铺开（后台保持原管理主题） === */
html:not(:has(.admin-layout)) { background: var(--bg-page); }
body:not(:has(.admin-layout)) {
  background:
    radial-gradient(circle at 8% 0%, rgba(96,165,250,.10), transparent 30rem),
    radial-gradient(circle at 92% 0%, rgba(167,139,250,.09), transparent 28rem),
    var(--bg-page);
  color: var(--text-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  letter-spacing: var(--ls-body);
}
body:not(:has(.admin-layout)) .site-main { min-height: calc(100vh - 130px); }
body:not(:has(.admin-layout)) h1,
body:not(:has(.admin-layout)) h2,
body:not(:has(.admin-layout)) h3,
body:not(:has(.admin-layout)) h4 { color: var(--text-strong); }
body:not(:has(.admin-layout)) a:not(.btn):not(.btn-primary) {
  color: var(--link);
  text-decoration-color: var(--link-underline);
  text-underline-offset: 3px;
}
body:not(:has(.admin-layout)) a:not(.btn):not(.btn-primary):hover { color: var(--link-hover); }
body:not(:has(.admin-layout)) .site-header {
  background: rgba(11,18,32,.94);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 28px rgba(0,0,0,.24);
  backdrop-filter: blur(14px);
}
body:not(:has(.admin-layout)) .site-header .logo,
body:not(:has(.admin-layout)) .site-header a { color: var(--text-body); }
body:not(:has(.admin-layout)) .site-header a:hover { color: var(--link-hover); }
body:not(:has(.admin-layout)) .site-header .main-nav a { text-decoration: none; }
body:not(:has(.admin-layout)) .header-search input,
body:not(:has(.admin-layout)) input,
body:not(:has(.admin-layout)) select,
body:not(:has(.admin-layout)) textarea {
  background: var(--bg-input);
  border-color: var(--line-strong);
  color: var(--text-body);
}
body:not(:has(.admin-layout)) input::placeholder,
body:not(:has(.admin-layout)) textarea::placeholder { color: var(--text-weak); }
body:not(:has(.admin-layout)) input:focus,
body:not(:has(.admin-layout)) select:focus,
body:not(:has(.admin-layout)) textarea:focus { border-color: var(--brand-cyan); box-shadow: var(--sh-glow); outline: 0; }
body:not(:has(.admin-layout)) .site-footer { background: var(--bg-header); border-top: 1px solid var(--line); color: var(--text-muted); }

body:not(:has(.admin-layout)) .card,
body:not(:has(.admin-layout)) .content-detail,
body:not(:has(.admin-layout)) .rd-card,
body:not(:has(.admin-layout)) .rd-side-card,
body:not(:has(.admin-layout)) .upload-form,
body:not(:has(.admin-layout)) .auth-form,
body:not(:has(.admin-layout)) .filter-bar-enhanced,
body:not(:has(.admin-layout)) .friend-section,
body:not(:has(.admin-layout)) .friend-card,
body:not(:has(.admin-layout)) .profile-header,
body:not(:has(.admin-layout)) .hp-article-list,
body:not(:has(.admin-layout)) .hp-ranking,
body:not(:has(.admin-layout)) .hp-announcements,
body:not(:has(.admin-layout)) .share-modal {
  background: linear-gradient(160deg, var(--bg-card-strong), var(--bg-card));
  border-color: var(--line);
  box-shadow: var(--sh-card), var(--sh-inset);
  color: var(--text-body);
}
body:not(:has(.admin-layout)) .section-subtitle,
body:not(:has(.admin-layout)) .friend-count,
body:not(:has(.admin-layout)) .friend-card-meta,
body:not(:has(.admin-layout)) .profile-info p,
body:not(:has(.admin-layout)) .profile-stats,
body:not(:has(.admin-layout)) .rd-desc,
body:not(:has(.admin-layout)) .rd-file-info,
body:not(:has(.admin-layout)) .rd-stat-text,
body:not(:has(.admin-layout)) .resource-meta { color: var(--text-muted); }
body:not(:has(.admin-layout)) .rd-stat-num,
body:not(:has(.admin-layout)) .rdfi-value,
body:not(:has(.admin-layout)) .rd-author-name,
body:not(:has(.admin-layout)) .rd-author-time { color: var(--text-strong); }
body:not(:has(.admin-layout)) .rdfi-label { color: var(--text-muted); }
body:not(:has(.admin-layout)) .rd-stat-num { font-weight: 800; }

/* T23.8 个人中心分组侧栏与未读标记 */
body:not(:has(.admin-layout)) .user-sidebar .dashboard-nav { gap: 3px; }
body:not(:has(.admin-layout)) .dashboard-nav-group { display: flex; flex-direction: column; gap: 3px; }
body:not(:has(.admin-layout)) .dashboard-nav-group + .dashboard-nav-group { margin-top: 10px; }
body:not(:has(.admin-layout)) .dashboard-nav-group-title {
  color: var(--text-weak);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  margin: 13px 8px 4px;
  text-transform: uppercase;
}
body:not(:has(.admin-layout)) .dashboard-nav a {
  align-items: center;
  display: flex;
  justify-content: space-between;
  min-height: 34px;
}
body:not(:has(.admin-layout)) .user-sidebar .badge,
body:not(:has(.admin-layout)) .site-header .user-info .badge {
  background: #ef5b72;
  border: 0;
  border-radius: 999px;
  color: #fff;
  display: inline-flex;
  font-size: 11px;
  font-weight: 700;
  line-height: 18px;
  min-width: 18px;
  padding: 0 5px;
  position: static;
  justify-content: center;
}
body:not(:has(.admin-layout)) .site-header .user-info { align-items: center; display: inline-flex; gap: 6px; }
@media (max-width: 768px) {
  body:not(:has(.admin-layout)) { overflow-x: hidden; }
  body:not(:has(.admin-layout)) .user-sidebar { position: static; }
  body:not(:has(.admin-layout)) .dashboard-nav-group-title { margin-top: 10px; }
  body:not(:has(.admin-layout)) .user-dashboard .data-table {
    display: table;
    table-layout: fixed;
    overflow: hidden;
    width: 100%;
  }
  body:not(:has(.admin-layout)) .user-dashboard .data-table th,
  body:not(:has(.admin-layout)) .user-dashboard .data-table td { overflow-wrap: anywhere; }
  body:not(:has(.admin-layout)) .user-dashboard .badge-approved { right: 0; }
}
body:not(:has(.admin-layout)) .feed-empty,
body:not(:has(.admin-layout)) .friend-empty {
  background: linear-gradient(160deg, var(--bg-card-strong), var(--bg-card));
  border-color: var(--line);
  color: var(--text-muted);
}
body:not(:has(.admin-layout)) .app-center .app-card {
  background: linear-gradient(160deg, var(--bg-card-strong), var(--bg-card));
  border-color: var(--line);
  box-shadow: var(--sh-card), var(--sh-inset);
}
body:not(:has(.admin-layout)) .app-center .app-card h3 { color: var(--text-strong); }
body:not(:has(.admin-layout)) .app-center .app-card p { color: var(--text-muted); }
@media (max-width: 768px) {
  body:not(:has(.admin-layout)) .user-dashboard .data-table {
    display: table;
    max-width: 100%;
    overflow: hidden;
    table-layout: fixed;
    width: 100%;
  }
}
body:not(:has(.admin-layout)) .friend-section-title,
body:not(:has(.admin-layout)) .friend-card-name,
body:not(:has(.admin-layout)) .profile-info h1,
body:not(:has(.admin-layout)) .rd-title,
body:not(:has(.admin-layout)) .rd-side-card h4,
body:not(:has(.admin-layout)) .content-detail h1,
body:not(:has(.admin-layout)) .content-body,
body:not(:has(.admin-layout)) .hp-section-title,
body:not(:has(.admin-layout)) .hp-article-title { color: var(--text-strong); }
body:not(:has(.admin-layout)) .resource-card,
body:not(:has(.admin-layout)) .resource-card-enhanced,
body:not(:has(.admin-layout)) .hp-resource-card,
body:not(:has(.admin-layout)) .friend-card { background: linear-gradient(160deg, #18253c, #141e30); border-color: var(--line); }
body:not(:has(.admin-layout)) .resource-card:hover,
body:not(:has(.admin-layout)) .resource-card-enhanced:hover,
body:not(:has(.admin-layout)) .hp-resource-card:hover,
body:not(:has(.admin-layout)) .friend-card:hover { border-color: var(--line-brand); box-shadow: var(--sh-card), 0 0 28px rgba(34,211,238,.12); }
body:not(:has(.admin-layout)) .rd-meta-tags .rd-tag,
body:not(:has(.admin-layout)) .friend-role-tag,
body:not(:has(.admin-layout)) .badge { border-color: var(--line); }
body:not(:has(.admin-layout)) .rd-stats-row,
body:not(:has(.admin-layout)) .rd-detail-meta,
body:not(:has(.admin-layout)) .rd-file-info li,
body:not(:has(.admin-layout)) .friend-card-meta { border-color: var(--line); }
body:not(:has(.admin-layout)) .cmt-post,
body:not(:has(.admin-layout)) .cmt-item,
body:not(:has(.admin-layout)) .cmt-login-hint,
body:not(:has(.admin-layout)) .cmt-reply-cancel { background: var(--bg-card); border-color: var(--line); color: var(--text-body); }
body:not(:has(.admin-layout)) .cmt-title,
body:not(:has(.admin-layout)) .cmt-item-name { color: var(--text-strong); }
body:not(:has(.admin-layout)) .cmt-item-content { color: var(--text-muted); }
body:not(:has(.admin-layout)) .cmt-reply { border-color: var(--line-brand); }
body:not(:has(.admin-layout)) .cmt-submit-btn,
body:not(:has(.admin-layout)) .cmt-reply-submit { background: linear-gradient(135deg, var(--brand-cyan), var(--brand-blue)); color: #07121f; }
body:not(:has(.admin-layout)) .msg-item,
body:not(:has(.admin-layout)) .msg-tabs,
body:not(:has(.admin-layout)) .settings-tabs { background: var(--bg-card); border-color: var(--line); color: var(--text-body); }
body:not(:has(.admin-layout)) .msg-item.unread { background: var(--brand-cyan-soft); border-left-color: var(--brand-cyan); }
body:not(:has(.admin-layout)) .msg-header strong,
body:not(:has(.admin-layout)) .msg-item p { color: var(--text-body); }
body:not(:has(.admin-layout)) .msg-time,
body:not(:has(.admin-layout)) .msg-item p { color: var(--text-muted); }

body:not(:has(.admin-layout)) .hp-subjects,
body:not(:has(.admin-layout)) .hp-articles,
body:not(:has(.admin-layout)) .hp-ranking,
body:not(:has(.admin-layout)) .hp-announcements { background: transparent; color: var(--text-body); }
body:not(:has(.admin-layout)) .hp-subject-card,
body:not(:has(.admin-layout)) .hp-article-list,
body:not(:has(.admin-layout)) .hp-ranking,
body:not(:has(.admin-layout)) .hp-announcements { border-color: var(--line); box-shadow: var(--sh-card), var(--sh-inset); }
body:not(:has(.admin-layout)) .hp-subject-card { background: linear-gradient(160deg, var(--bg-card-strong), var(--bg-card)); }
body:not(:has(.admin-layout)) .hp-subject-info h3,
body:not(:has(.admin-layout)) .hp-subject-info p { color: var(--text-strong); }
body:not(:has(.admin-layout)) .hp-subject-info p { color: var(--text-muted); }
body:not(:has(.admin-layout)) .hp-article-list li,
body:not(:has(.admin-layout)) .hp-rank-item,
body:not(:has(.admin-layout)) .hp-announce-item { border-color: var(--line); }
body:not(:has(.admin-layout)) .hp-article-meta,
body:not(:has(.admin-layout)) .hp-rank-points,
body:not(:has(.admin-layout)) .hp-ann-content p { color: var(--text-muted); }

body:not(:has(.admin-layout)) .user-dashboard .stats-cards .stat-card,
body:not(:has(.admin-layout)) .user-dashboard .pending-section,
body:not(:has(.admin-layout)) .user-dashboard .data-table,
body:not(:has(.admin-layout)) .user-messages-page .msg-tabs,
body:not(:has(.admin-layout)) .user-messages-page .message-item,
body:not(:has(.admin-layout)) .settings-tabs { background: linear-gradient(160deg, var(--bg-card-strong), var(--bg-card)); border-color: var(--line); box-shadow: var(--sh-card), var(--sh-inset); color: var(--text-body); }
body:not(:has(.admin-layout)) .user-dashboard .data-table th { background: var(--bg-card-strong); color: var(--text-muted); border-color: var(--line-strong); font-size: var(--fs-sm); }
body:not(:has(.admin-layout)) .user-dashboard .data-table td { color: var(--text-body); border-color: var(--line); font-size: var(--fs-body); }
body:not(:has(.admin-layout)) .user-dashboard .data-table tr:hover td { background: var(--bg-hover); }
body:not(:has(.admin-layout)) .user-dashboard .my-list-empty,
body:not(:has(.admin-layout)) .friend-empty,
body:not(:has(.admin-layout)) .empty-state { background: var(--bg-card); border-color: var(--line-strong); color: var(--text-muted); }
body:not(:has(.admin-layout)) .dashboard-nav a,
body:not(:has(.admin-layout)) .msg-tabs a,
body:not(:has(.admin-layout)) .settings-tabs a { color: var(--text-muted); }
body:not(:has(.admin-layout)) .dashboard-nav a:hover,
body:not(:has(.admin-layout)) .dashboard-nav a.active,
body:not(:has(.admin-layout)) .settings-tabs a.active { background: var(--brand-cyan-soft); color: var(--brand-cyan); }

body:not(:has(.admin-layout)) .data-table { display: block; max-width: 100%; overflow-x: auto; }
body:not(:has(.admin-layout)) .table-scroll { max-width: 100%; overflow-x: auto; }
body:not(:has(.admin-layout)) .btn-primary { background: linear-gradient(135deg, var(--brand-cyan), var(--brand-blue)); color: #07121f; border-color: rgba(255,255,255,.18); }
body:not(:has(.admin-layout)) .btn-primary { background-color: var(--brand-cyan); }
body:not(:has(.admin-layout)) .btn-primary:hover { color: #07121f; filter: brightness(1.06); transform: translateY(-2px); }
body:not(:has(.admin-layout)) .friend-btn,
body:not(:has(.admin-layout)) .friend-search-btn,
body:not(:has(.admin-layout)) .cmt-reply-submit { min-height: 44px; }
body:not(:has(.admin-layout)) .hp-hero-search-input { color: var(--text-body); }
body:not(:has(.admin-layout)) .hp-article-list a,
body:not(:has(.admin-layout)) .hp-announce-more,
body:not(:has(.admin-layout)) .hp-more-link,
body:not(:has(.admin-layout)) .rd-related-list a,
body:not(:has(.admin-layout)) .friend-card-name a { color: var(--link); }
body:not(:has(.admin-layout)) .hp-article-list a:hover,
body:not(:has(.admin-layout)) .hp-announce-more:hover,
body:not(:has(.admin-layout)) .hp-more-link:hover,
body:not(:has(.admin-layout)) .rd-related-list a:hover,
body:not(:has(.admin-layout)) .friend-card-name a:hover { color: var(--link-hover); }

/* === T23.7.5 版式重做：内容优先、宽屏留白、可读层级 === */
:root {
  --layout-max: 1360px;
  --surface-0: #0b1322;
  --surface-1: #111d31;
  --surface-2: #172740;
  --ink: #f3f7fb;
  --ink-soft: #c4d0df;
  --ink-muted: #9aabc0;
  --accent: #38d5c4;
  --accent-2: #7aa8ff;
}

body:not(:has(.admin-layout)) { background: var(--surface-0); color: var(--ink-soft); font-size: 15px; }
body:not(:has(.admin-layout)) .site-main { background: linear-gradient(180deg, rgba(17,29,49,.52), transparent 34rem); }
body:not(:has(.admin-layout)) .container,
body:not(:has(.admin-layout)) .header-container,
body:not(:has(.admin-layout)) .hp-container { max-width: var(--layout-max); }
body:not(:has(.admin-layout)) .auth-page.container { max-width: 520px; }
body:not(:has(.admin-layout)) .site-header {
  background: #0a1425;
  border-bottom: 1px solid rgba(152,184,222,.2);
  box-shadow: 0 8px 24px rgba(2,8,19,.36);
  backdrop-filter: none;
}
body:not(:has(.admin-layout)) .header-container { min-height: 70px; padding-top: 10px; padding-bottom: 10px; }
body:not(:has(.admin-layout)) .site-header .logo { color: var(--ink); font-size: 19px; letter-spacing: .6px; }
body:not(:has(.admin-layout)) .site-header .main-nav { gap: 4px; }
body:not(:has(.admin-layout)) .site-header .main-nav a { color: var(--ink-soft); font-size: 15px; font-weight: 600; line-height: 1.2; padding: 11px 13px; border-radius: 9px; }
body:not(:has(.admin-layout)) .site-header .main-nav a:hover { color: var(--ink); background: rgba(56,213,196,.1); }
body:not(:has(.admin-layout)) .header-search input { min-height: 40px; font-size: 14px; }
body:not(:has(.admin-layout)) .header-search button { min-height: 40px; }
body:not(:has(.admin-layout)) .user-menu > a,
body:not(:has(.admin-layout)) .auth-links a { font-size: 14px; font-weight: 600; }

.home-page-redesign { overflow: hidden; }
.home-page-redesign .hp-hero {
  min-height: 540px; padding: 112px 20px 84px;
  background: radial-gradient(circle at 74% 26%, rgba(56,213,196,.2), transparent 28rem), linear-gradient(125deg, #0b1629 0%, #12243d 58%, #17324a 100%);
  animation: none;
}
.home-page-redesign .hp-hero::after { background: linear-gradient(90deg, rgba(8,18,33,.96) 0%, rgba(8,18,33,.55) 60%, rgba(8,18,33,.12)); }
.home-page-redesign .hp-hero-content { max-width: var(--layout-max); padding-left: 20px; padding-right: 20px; }
.home-page-redesign .hp-hero-content { margin: 0 auto; display: flex; flex-direction: column; align-items: center; text-align: center; }
.home-page-redesign .hp-hero h1 { max-width: 760px; font-size: clamp(34px, 4vw, 58px); line-height: 1.16; letter-spacing: -.8px; font-weight: 760; }
.home-page-redesign .hp-hero-sub { max-width: 600px; color: #c8d8e8; font-size: 17px; }
.home-page-redesign .hp-hero-badge { background: rgba(56,213,196,.12); border-color: rgba(56,213,196,.42); color: #9ff4e7; }
.home-page-redesign .hp-hero-search { max-width: 690px; margin-top: 30px; border-color: rgba(181,215,241,.26); background: rgba(6,17,31,.72); }
.home-page-redesign .hp-hero-search-input { font-size: 16px; min-height: 54px; }
.home-page-redesign .hp-hero-search-btn { min-height: 46px; margin: 4px; background: var(--accent); color: #08201f; font-weight: 700; }
.home-page-redesign .hp-hero-stats { justify-content: center; margin-top: 36px; }
.home-page-redesign .hp-hero-stat-num { color: #bffdf4; font-size: 27px; }
.home-page-redesign .hp-hero-stat-label { color: #a9bad0; font-size: 13px; }
.home-page-redesign .hp-subjects,
.home-page-redesign .hp-resources,
.home-page-redesign .hp-announcements { padding: 76px 0; }
.home-page-redesign .home-section-intro { max-width: 660px; margin-bottom: 28px; }
.home-page-redesign .home-section-intro h2 { margin: 5px 0 7px; font-size: clamp(25px, 3vw, 36px); letter-spacing: -.4px; }
.home-page-redesign .home-section-intro p,
.home-page-redesign .home-section-note { margin: 0; color: var(--ink-muted); font-size: 15px; }
.home-kicker { display: inline-block; color: var(--accent); font-size: 12px; font-weight: 750; letter-spacing: 1.7px; text-transform: uppercase; }
.home-page-redesign .hp-subject-grid { gap: 18px; }
.home-page-redesign .hp-subject-card { min-height: 142px; padding: 24px 26px; border: 1px solid rgba(154,186,220,.2); border-radius: 16px; background: linear-gradient(135deg, rgba(23,39,64,.95), rgba(15,29,49,.95)); box-shadow: 0 12px 30px rgba(1,8,20,.2); }
.home-page-redesign .hp-subject-card { position: relative; isolation: isolate; overflow: hidden; background-position: center; background-size: cover; }
.home-page-redesign .hp-subject-card::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(7,18,31,.96) 0%, rgba(7,18,31,.78) 52%, rgba(7,18,31,.52) 100%); }
body:not(:has(.admin-layout)) .home-page-redesign .hp-subject-geo { background-image: url('/assets/images/subject-geo.svg') !important; }
body:not(:has(.admin-layout)) .home-page-redesign .hp-subject-his { background-image: url('/assets/images/subject-history.svg') !important; }
body:not(:has(.admin-layout)) .home-page-redesign .hp-subject-ast { background-image: url('/assets/images/subject-astro.svg') !important; }
.home-page-redesign .hp-subject-card:hover { transform: translateY(-4px); border-color: rgba(56,213,196,.55); }
.home-page-redesign .hp-subject-info { align-items: flex-start; }
.home-page-redesign .hp-subject-info h3 { color: var(--ink); font-size: 24px; }
.home-page-redesign .hp-subject-info p { color: var(--ink-muted); font-size: 14px; }
.home-page-redesign .hp-section-header { margin-bottom: 24px; }
.home-page-redesign .hp-section-title { margin: 4px 0; font-size: 29px; letter-spacing: -.3px; }
.home-page-redesign .hp-section-header:has(.home-section-note) .hp-section-title::after { bottom: -32px; }
.home-page-redesign .hp-more-link { font-size: 14px; font-weight: 650; }
.home-page-redesign .hp-resource-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.home-page-redesign .hp-resource-card { display: flex; flex-direction: column; border-radius: 15px; border-color: rgba(154,186,220,.18); background: var(--surface-1); box-shadow: 0 12px 28px rgba(1,8,20,.22); overflow: hidden; }
.home-page-redesign .hp-resource-card:hover { transform: translateY(-5px); border-color: rgba(56,213,196,.58); }
.home-page-redesign .hp-res-cover { height: auto; aspect-ratio: 1.85 / 1; width: 100%; overflow: hidden; }
.home-page-redesign .hp-res-cover img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.home-page-redesign .hp-res-body { display: flex; flex: 1; flex-direction: column; padding: 18px; }
.home-page-redesign .hp-res-title { font-size: 16px; line-height: 1.45; }
.home-page-redesign .hp-res-stats { font-size: 13px; }
.home-page-redesign .hp-subject-card::before { background: linear-gradient(90deg, rgba(7,18,31,.8) 0%, rgba(7,18,31,.58) 52%, rgba(7,18,31,.34) 100%); }
.home-page-redesign .hp-columns { gap: 18px; padding-bottom: 76px; }
.home-page-redesign .home-panel { min-width: 0; padding: 26px; border: 1px solid rgba(154,186,220,.18); border-radius: 16px; background: linear-gradient(135deg, rgba(23,39,64,.88), rgba(15,29,49,.88)); box-shadow: 0 12px 28px rgba(1,8,20,.2); }
.home-page-redesign .home-panel .hp-section-header { margin-bottom: 14px; }
.home-page-redesign .hp-article-list, .home-page-redesign .hp-ranking { border: 1px solid rgba(154,186,220,.16); border-radius: 12px; box-shadow: none; background: rgba(8,19,35,.38); padding: 4px 16px; }
.home-page-redesign .hp-article-list li, .home-page-redesign .hp-rank-item { padding: 15px 0; }
.home-page-redesign .hp-article-list li:hover { background: rgba(56,213,196,.08); border-radius: 8px; padding-left: 10px; padding-right: 10px; }
.home-page-redesign .hp-article-title { font-size: 15px; font-weight: 650; }
.home-page-redesign .hp-article-meta, .home-page-redesign .hp-rank-points { font-size: 13px; }
.home-page-redesign .hp-announcements { background: linear-gradient(180deg, rgba(23,39,64,.42), rgba(11,19,34,.05)); }
.home-page-redesign .hp-announcement-head, .home-page-redesign .hp-announce-head { align-items: end; margin-bottom: 24px; }
.home-page-redesign .hp-announce-head strong { display: block; margin-top: 4px; color: var(--ink); font-size: 25px; }
.home-page-redesign .hp-announcements { border-top: 1px solid rgba(154,186,220,.12); }
.home-page-redesign .hp-announce-item { background: linear-gradient(135deg, rgba(23,39,64,.94), rgba(15,29,49,.94)); border: 1px solid rgba(154,186,220,.18); border-radius: 14px; padding: 20px 24px; }
.home-page-redesign .hp-announce-item:hover { border-color: rgba(56,213,196,.48); }
.home-page-redesign .hp-ann-date { background: rgba(122,168,255,.12); color: #a9c6ff; }
.home-page-redesign .hp-ann-content p { color: var(--ink-muted); }
.home-page-redesign .hp-announcements .hp-ann-content strong { font-size: 16px; }

.content-index-redesign { padding-top: 58px; padding-bottom: 76px; }
.content-index-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
.content-index-head h2 { margin: 5px 0 8px; font-size: clamp(30px, 4vw, 44px); letter-spacing: -.7px; }
.content-index-head p { margin: 0; color: var(--ink-muted); font-size: 15px; }
.content-index-count { flex: 0 0 auto; padding: 8px 12px; border: 1px solid rgba(56,213,196,.28); border-radius: 999px; color: #a9f3e9; font-size: 13px; }
.article-list-redesign { gap: 14px; }
.article-item-redesign { display: flex; align-items: center; gap: 24px; padding: 24px 26px; border: 1px solid rgba(154,186,220,.18); border-radius: 15px; background: linear-gradient(135deg, rgba(23,39,64,.94), rgba(15,29,49,.94)); box-shadow: 0 10px 26px rgba(1,8,20,.18); }
.article-item-redesign:hover { border-color: rgba(56,213,196,.52); box-shadow: 0 16px 34px rgba(1,8,20,.3); transform: translateY(-2px); }
.article-item-redesign .article-item-main { min-width: 0; flex: 1; }
.article-item-redesign h3 { margin: 0 0 9px; font-size: 20px; line-height: 1.4; }
.article-item-redesign h3 a { color: var(--ink); }
.article-item-redesign .article-meta-full { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--ink-muted); font-size: 13px; }
.article-item-redesign .article-summary { margin: 12px 0 0; color: var(--ink-soft); font-size: 14px; line-height: 1.75; }
.article-read-more { flex: 0 0 auto; padding: 9px 12px; border: 1px solid rgba(56,213,196,.34); border-radius: 9px; color: #9ff4e7 !important; font-size: 13px; font-weight: 700; text-decoration: none !important; }
.article-read-more:hover { background: rgba(56,213,196,.12); }
.content-index-redesign .top-badge { flex: 0 0 auto; order: 3; }
.home-page-redesign [data-reveal], .content-index-redesign [data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity 360ms var(--ease), transform 360ms var(--ease); }
.home-page-redesign [data-reveal].is-visible, .content-index-redesign [data-reveal].is-visible { opacity: 1; transform: none; }

@media (max-width: 1024px) {
  .home-page-redesign .hp-resource-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
  body:not(:has(.admin-layout)) .header-container { min-height: 58px; }
  .home-page-redesign .hp-hero { min-height: 500px; padding-top: 76px; }
  .home-page-redesign .hp-hero h1 { font-size: 34px; }
  .home-page-redesign .hp-hero-sub { font-size: 15px; }
  .home-page-redesign .hp-hero-search { display: flex; flex-wrap: wrap; padding: 5px; }
  .home-page-redesign .hp-hero-search-input { flex: 1 1 100%; }
  .home-page-redesign .hp-hero-search-btn { flex: 1 1 100%; margin: 0; }
  .home-page-redesign .hp-subjects, .home-page-redesign .hp-resources, .home-page-redesign .hp-announcements { padding: 52px 0; }
  .home-page-redesign .hp-columns { padding-bottom: 52px; }
  .content-index-redesign { padding-top: 40px; }
  .content-index-head { align-items: flex-start; flex-direction: column; }
  .article-item-redesign { align-items: flex-start; flex-wrap: wrap; gap: 12px; padding: 20px; }
  .article-item-redesign .article-item-main { flex-basis: calc(100% - 20px); }
  .article-read-more { margin-left: auto; }
}
@media (prefers-reduced-motion: reduce) {
  .home-page-redesign [data-reveal], .content-index-redesign [data-reveal] { opacity: 1; transform: none; }
}

/* === T23.7.5 对个人中心做一次完整的前台对比度收口 === */
body:not(:has(.admin-layout)) .user-dashboard,
body:not(:has(.admin-layout)) .user-profile-page,
body:not(:has(.admin-layout)) .user-messages-page { color: var(--text-body); }
body:not(:has(.admin-layout)) .user-sidebar { background: linear-gradient(160deg, #18253c, #141e30); border: 1px solid var(--line); border-radius: var(--r-card); box-shadow: var(--sh-card), var(--sh-inset); color: var(--text-body); }
body:not(:has(.admin-layout)) .user-sidebar h3 { color: var(--text-strong); }
body:not(:has(.admin-layout)) .user-sidebar p { color: var(--text-muted); }
body:not(:has(.admin-layout)) .user-sidebar .dashboard-nav a { color: var(--link); }
body:not(:has(.admin-layout)) .user-sidebar .dashboard-nav a:hover,
body:not(:has(.admin-layout)) .user-sidebar .dashboard-nav a.active { background: var(--brand-cyan-soft); color: var(--brand-cyan); }
body:not(:has(.admin-layout)) .site-header .btn-admin { background: var(--brand-cyan) !important; border: 1px solid var(--brand-cyan) !important; color: #07121f !important; }
body:not(:has(.admin-layout)) .site-header .btn-admin:hover { background: var(--link-hover) !important; color: #07121f !important; }
body:not(:has(.admin-layout)) .user-profile-page .resource-card,
body:not(:has(.admin-layout)) .user-profile-page .article-item { background: linear-gradient(135deg, rgba(23,39,64,.95), rgba(15,29,49,.95)); border: 1px solid var(--line); color: var(--text-body); }
body:not(:has(.admin-layout)) .user-profile-page .resource-card h3 a,
body:not(:has(.admin-layout)) .user-profile-page .article-item h3 a { color: var(--link); }
body:not(:has(.admin-layout)) .user-profile-page .resource-card h3 a:hover,
body:not(:has(.admin-layout)) .user-profile-page .article-item h3 a:hover { color: var(--link-hover); }
body:not(:has(.admin-layout)) .user-profile-page .resource-meta,
body:not(:has(.admin-layout)) .user-profile-page .article-item > span { color: var(--text-muted); }
body:not(:has(.admin-layout)) .user-profile-page .tab-content > p { color: var(--text-muted); }
body:not(:has(.admin-layout)) .user-profile-page .feed-card { background: linear-gradient(135deg, rgba(23,39,64,.96), rgba(15,29,49,.96)); border-color: var(--line); color: var(--text-body); }
body:not(:has(.admin-layout)) .user-profile-page .feed-user-name { color: var(--text-strong); }
body:not(:has(.admin-layout)) .user-profile-page .feed-user-name:hover { color: var(--link-hover); }
body:not(:has(.admin-layout)) .user-profile-page .feed-time { color: var(--text-muted); }
body:not(:has(.admin-layout)) .user-profile-page .feed-card-content { color: var(--text-body); }

/* 首页二次视觉调整：导航可读性、学科卡片比例与段落间距 */
body:not(:has(.admin-layout)) .site-header .main-nav { gap: 6px; }
body:not(:has(.admin-layout)) .site-header .main-nav a { font-size: 16px; font-weight: 650; padding: 12px 14px; }
body:not(:has(.admin-layout)) .site-header .user-menu,
body:not(:has(.admin-layout)) .site-header .user-menu > a,
body:not(:has(.admin-layout)) .site-header .user-info { white-space: nowrap; }
.home-page-redesign .hp-subjects { padding-bottom: 40px; }
.home-page-redesign .hp-resources { padding-top: 44px; }
@media (min-width: 769px) {
  .home-page-redesign .hp-subject-card { min-height: 196px; }
}
body:not(:has(.admin-layout)) .upload-page .required,
body:not(:has(.admin-layout)) .user-dashboard .required { color: #ff9a9a; }
body:not(:has(.admin-layout)) .user-dashboard .upload-form .current-file { background: var(--bg-input); border: 1px solid var(--line-strong); border-radius: var(--r-tag); color: var(--text-body); padding: 10px 12px; }
body:not(:has(.admin-layout)) .stat-num,
body:not(:has(.admin-layout)) .user-sidebar h3,
body:not(:has(.admin-layout)) .user-dashboard .dashboard-content h2,
body:not(:has(.admin-layout)) .user-dashboard .dashboard-content h3,
body:not(:has(.admin-layout)) .user-dashboard .dashboard-content h4,
body:not(:has(.admin-layout)) .profile-info h1,
body:not(:has(.admin-layout)) .profile-stats strong,
body:not(:has(.admin-layout)) .pending-section h3,
body:not(:has(.admin-layout)) .pending-section h4 { color: var(--text-strong); }
body:not(:has(.admin-layout)) .stat-label,
body:not(:has(.admin-layout)) .user-bio,
body:not(:has(.admin-layout)) .user-sidebar > p,
body:not(:has(.admin-layout)) .section-hint,
body:not(:has(.admin-layout)) .profile-info p,
body:not(:has(.admin-layout)) .profile-stats,
body:not(:has(.admin-layout)) .bio,
body:not(:has(.admin-layout)) .current-file,
body:not(:has(.admin-layout)) .my-list-page-info,
body:not(:has(.admin-layout)) .msg-time,
body:not(:has(.admin-layout)) .msg-item p,
body:not(:has(.admin-layout)) .settings-tabs a,
body:not(:has(.admin-layout)) .form-group label { color: var(--text-muted); }
body:not(:has(.admin-layout)) .dashboard-nav a,
body:not(:has(.admin-layout)) .my-list-title-link,
body:not(:has(.admin-layout)) .my-list-btn,
body:not(:has(.admin-layout)) .msg-actions a,
body:not(:has(.admin-layout)) .tab { color: var(--link); }
body:not(:has(.admin-layout)) .settings-tabs a:hover,
body:not(:has(.admin-layout)) .tab:hover { color: var(--link-hover); }
body:not(:has(.admin-layout)) .profile-tabs .tab { background: var(--bg-card); border: 1px solid var(--line); }
body:not(:has(.admin-layout)) .profile-tabs .tab.active { background: var(--brand-cyan); color: #07121f; border-color: var(--brand-cyan); }
body:not(:has(.admin-layout)) .msg-tabs a.active { background: var(--brand-cyan-soft); color: #a9f4eb; }
body:not(:has(.admin-layout)) .msg-tabs a.btn-primary { background: var(--brand-cyan) !important; color: #07121f !important; border-color: var(--brand-cyan) !important; }
body:not(:has(.admin-layout)) .my-list-btn-edit { background: #17385a; color: #b9d9ff; border-color: #2d5d8a; }
body:not(:has(.admin-layout)) .my-list-btn-reupload { background: #4a3a16; color: #ffe5a3; border-color: #8d6b22; }
body:not(:has(.admin-layout)) .my-list-btn-share { background: #123f39; color: #9ff4e7; border-color: #277e71; }
body:not(:has(.admin-layout)) .my-list-btn-delete { background: #4b2024; color: #ffc4c4; border-color: #8b3b42; }
body:not(:has(.admin-layout)) .my-list-empty p { color: var(--text-soft, #c4d0df); }
body:not(:has(.admin-layout)) .data-table th { color: var(--text-muted); }
body:not(:has(.admin-layout)) .data-table td { color: var(--text-body); }
body:not(:has(.admin-layout)) .msg-header strong { color: var(--text-strong); }
body:not(:has(.admin-layout)) .msg-item.unread p { color: var(--text-body); }
body:not(:has(.admin-layout)) .feed-card,
body:not(:has(.admin-layout)) .feed-item,
body:not(:has(.admin-layout)) .my-list-empty { color: var(--text-body); background: var(--bg-card); border-color: var(--line); }
body:not(:has(.admin-layout)) .feed-time,
body:not(:has(.admin-layout)) .feed-card-content { color: var(--text-muted); }
body:not(:has(.admin-layout)) .resource-meta { color: var(--text-muted); }

/* T26：个人主页关注列表 */
body:not(:has(.admin-layout)) .follow-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 14px;
    margin: 8px 0;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface-raised);
    color: var(--text-primary);
}
body:not(:has(.admin-layout)) .follow-list-item form { margin: 0; }

/* T32 site operations */
.logo img{max-height:42px;max-width:180px;vertical-align:middle;object-fit:contain}.main-nav a.active{color:var(--accent)}.site-banners{max-width:1200px;margin:28px auto;display:grid;gap:16px;padding:0 20px}.site-banner{display:block;min-height:170px;border-radius:16px;background:#18344a center/cover no-repeat;position:relative;overflow:hidden;color:#fff}.site-banner span{display:block;position:absolute;inset:auto 0 0;padding:20px;background:linear-gradient(transparent,rgba(0,0,0,.8));font-size:20px;font-weight:700}


/* T33 批次 A：后台统一视觉层（仅追加，不改既有规则） */
.admin-layout {
  min-height: 100vh;
  background: var(--bg-page);
  color: var(--text-body);
}
.admin-layout .admin-main { background: transparent; }
.admin-layout .admin-content { max-width: 1480px; margin: 0 auto; padding: 28px 32px 48px; }
.admin-layout .page-header,
.admin-layout .content-header,
.admin-layout .section-header {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  margin-bottom: 22px; padding-bottom: 16px; border-bottom: 1px solid var(--line);
}
.admin-layout h1, .admin-layout h2, .admin-layout h3 { color: var(--text-strong); }
.admin-layout h1 { font-size: var(--fs-h1); letter-spacing: var(--ls-h1); }
.admin-layout h2 { font-size: var(--fs-h2); letter-spacing: var(--ls-h2); }
.admin-layout .filter-bar, .admin-layout .filter-toolbar, .admin-layout .toolbar,
.admin-layout .search-form, .admin-layout form.filter-form {
  display: flex; flex-wrap: wrap; align-items: end; gap: 14px;
  margin-bottom: 20px; padding: 18px; background: var(--bg-card);
  border: 1px solid var(--line); border-radius: var(--r-card); box-shadow: var(--sh-card), var(--sh-inset);
}
.admin-layout .card, .admin-layout .panel, .admin-layout .table-wrap,
.admin-layout .data-table-wrap, .admin-layout .content-card {
  background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--r-card);
  box-shadow: var(--sh-card), var(--sh-inset); color: var(--text-body);
}
.admin-layout .data-table-wrap, .admin-layout .table-wrap { overflow-x: auto; }
.admin-layout table, .admin-layout .data-table { width: 100%; border-collapse: separate; border-spacing: 0; color: var(--text-body); }
.admin-layout table th, .admin-layout .data-table th {
  background: var(--bg-card-strong); color: var(--text-muted); font-size: var(--fs-sm);
  font-weight: 700; letter-spacing: .5px; text-align: left; white-space: nowrap;
  padding: 14px 16px; border-bottom: 1px solid var(--line-strong);
}
.admin-layout table td, .admin-layout .data-table td { padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.admin-layout table tr:last-child td, .admin-layout .data-table tr:last-child td { border-bottom: 0; }
.admin-layout table tbody tr:hover td, .admin-layout .data-table tbody tr:hover td { background: var(--bg-hover); }
.admin-layout input, .admin-layout select, .admin-layout textarea {
  min-height: 42px; background: var(--bg-input); color: var(--text-body); border: 1px solid var(--line-strong);
  border-radius: var(--r-btn); padding: 9px 12px;
}
.admin-layout textarea { min-height: 96px; }
.admin-layout input:focus, .admin-layout select:focus, .admin-layout textarea:focus { border-color: var(--brand-cyan); outline: 0; box-shadow: var(--sh-glow); }
.admin-layout label { color: var(--text-muted); font-size: var(--fs-sm); }
.admin-layout .btn, .admin-layout button, .admin-layout input[type="submit"] {
  min-height: 42px; padding: 9px 16px; border: 1px solid var(--line-strong); border-radius: var(--r-btn);
  background: var(--bg-card-strong); color: var(--text-body); font-weight: 650; cursor: pointer;
}
.admin-layout .btn-primary, .admin-layout button[type="submit"] { background: var(--brand-cyan); border-color: var(--brand-cyan); color: #07121f; }
.admin-layout .btn-secondary { background: transparent; border-color: var(--line-strong); color: var(--text-muted); }
.admin-layout .btn-danger, .admin-layout .danger, .admin-layout button[name*="delete"] { background: rgba(239,68,68,.16); border-color: rgba(239,68,68,.55); color: #fecaca; }
.admin-layout .btn:hover, .admin-layout button:hover { filter: brightness(1.08); }
.admin-layout .badge, .admin-layout .status-badge, .admin-layout .status {
  display: inline-flex; align-items: center; min-height: 28px; padding: 4px 9px; border-radius: 999px;
  background: var(--brand-cyan-soft); color: var(--brand-cyan); font-size: var(--fs-xs); font-weight: 700;
}
.admin-layout .status-disabled, .admin-layout .badge-danger, .admin-layout .status-error { background: rgba(239,68,68,.16); color: #fecaca; }
.admin-layout .status-pending, .admin-layout .badge-warning { background: rgba(245,158,11,.16); color: #fde68a; }
.admin-layout .pagination { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 22px; }
.admin-layout .pagination a, .admin-layout .pagination span, .admin-layout .page-current {
  display: inline-flex; align-items: center; justify-content: center; min-width: 42px; min-height: 42px;
  padding: 8px 12px; border: 1px solid var(--line); border-radius: var(--r-tag); color: var(--text-muted); background: var(--bg-card);
}
.admin-layout .pagination a:hover, .admin-layout .pagination .active, .admin-layout .page-current { border-color: var(--line-brand); color: var(--brand-cyan); background: var(--brand-cyan-soft); }
.admin-layout .alert { border-radius: var(--r-btn); border: 1px solid var(--line); padding: 13px 16px; color: var(--text-body); background: var(--bg-card); }
.admin-layout .alert-success { border-color: rgba(34,197,94,.45); color: #bbf7d0; background: rgba(34,197,94,.12); }
.admin-layout .alert-error { border-color: rgba(239,68,68,.5); color: #fecaca; background: rgba(239,68,68,.13); }
.admin-layout .alert-warning { border-color: rgba(245,158,11,.5); color: #fde68a; background: rgba(245,158,11,.13); }
.admin-layout a { color: var(--link); }
.admin-layout a:hover { color: var(--link-hover); }
.admin-layout :focus-visible { outline: 3px solid var(--brand-cyan); outline-offset: 2px; }

/* T33 批次 A 返修：成熟 SaaS 工作台，仅限后台作用域 */
.admin-layout {
  --bg-page: #f5f7fa;
  --bg-card: #ffffff;
  --bg-card-strong: #f8fafc;
  --bg-hover: #f3f7ff;
  --bg-input: #ffffff;
  --text-strong: #1f2937;
  --text-body: #374151;
  --text-muted: #6b7280;
  --text-weak: #9ca3af;
  --line: #e5e7eb;
  --line-strong: #d1d5db;
  --line-brand: rgba(37,99,235,.34);
  --brand-cyan: #2563eb;
  --brand-cyan-soft: #eff6ff;
  --link: #2563eb;
  --link-hover: #1d4ed8;
  --sh-card: 0 1px 2px rgba(15,23,42,.04), 0 6px 18px rgba(15,23,42,.035);
  --sh-inset: none;
  --sh-glow: 0 0 0 3px rgba(37,99,235,.13);
  background: var(--bg-page);
  color: var(--text-body);
}
.admin-layout .admin-main { background: var(--bg-page); }
.admin-layout .admin-content { max-width: 1540px; padding: 26px 34px 48px; }
.admin-layout .admin-sidebar {
  width: 232px; background: #fff; color: #475569; border-right: 1px solid #e5e7eb;
  box-shadow: 1px 0 0 rgba(15,23,42,.02);
}
.admin-layout .sidebar-header { padding: 22px 18px 16px; border-bottom-color: #eef0f3; }
.admin-layout .admin-logo { color: #1f2937; font-size: 17px; letter-spacing: .2px; }
.admin-layout .sidebar-nav { padding: 12px 10px; }
.admin-layout .nav-group { margin-bottom: 12px; }
.admin-layout .nav-group-title { color: #52657a; padding: 10px 10px 7px; font-size: 11px; letter-spacing: .7px; }
.admin-layout .nav-item { margin: 2px 0; padding: 10px 12px; border-left: 0; border-radius: 6px; color: #64748b; font-size: 13px; }
.admin-layout .nav-item:hover { background: #f3f6fb; color: #334155; }
.admin-layout .nav-item.active { background: #eaf2ff; border-left: 0; color: #2563eb; font-weight: 650; }
.admin-layout .sidebar-footer { border-top-color: #eef0f3; }
.admin-layout .sidebar-footer a { color: #52657a; }
.admin-layout .sidebar-footer a:hover { color: #475569; }
.admin-layout .page-header, .admin-layout .content-header, .admin-layout .section-header { border-bottom-color: #e5e7eb; margin-bottom: 20px; }
.admin-layout h1, .admin-layout h2, .admin-layout h3 { color: #1f2937; }
.admin-layout .filter-bar, .admin-layout .filter-toolbar, .admin-layout .toolbar, .admin-layout .search-form, .admin-layout form.filter-form {
  background: #fff; border-color: #e5e7eb; box-shadow: var(--sh-card); padding: 16px;
}
.admin-layout .card, .admin-layout .panel, .admin-layout .table-wrap, .admin-layout .data-table-wrap, .admin-layout .content-card { background: #fff; border-color: #e5e7eb; box-shadow: var(--sh-card); }
.admin-layout table, .admin-layout .data-table { color: #374151; }
.admin-layout table th, .admin-layout .data-table th { background: #f8fafc; color: #64748b; border-bottom-color: #e5e7eb; }
.admin-layout table td, .admin-layout .data-table td { border-bottom-color: #eef0f3; }
.admin-layout table tbody tr:hover td, .admin-layout .data-table tbody tr:hover td { background: #f8fbff; }
.admin-layout input, .admin-layout select, .admin-layout textarea { background: #fff; color: #374151; border-color: #d1d5db; }
.admin-layout input::placeholder, .admin-layout textarea::placeholder { color: #9ca3af; }
.admin-layout input:focus, .admin-layout select:focus, .admin-layout textarea:focus { border-color: #2563eb; }
.admin-layout label { color: #4b5563; }
.admin-layout .btn, .admin-layout button, .admin-layout input[type="submit"] { background: #fff; border-color: #d1d5db; color: #374151; box-shadow: none; }
.admin-layout .btn-primary, .admin-layout button[type="submit"] { background: #2563eb; border-color: #2563eb; color: #fff; }
.admin-layout .btn-primary:hover, .admin-layout .btn-primary:focus, .admin-layout button[type="submit"]:hover, .admin-layout button[type="submit"]:focus { background: #1d4ed8; border-color: #1d4ed8; color: #fff; }
.admin-layout .btn-secondary { background: #fff; color: #475569; }
.admin-layout .btn-danger, .admin-layout .danger, .admin-layout button[name*="delete"] { background: #fff1f2; border-color: #fecdd3; color: #be123c; }
.admin-layout .btn-danger:hover, .admin-layout .btn-danger:focus { background: #be123c; border-color: #be123c; color: #fff; }
.admin-layout .badge, .admin-layout .status-badge, .admin-layout .status { background: #eff6ff; color: #2563eb; }
.admin-layout .status-disabled, .admin-layout .badge-danger, .admin-layout .status-error { background: #fff1f2; color: #be123c; }
.admin-layout .status-pending, .admin-layout .badge-warning { background: #fffbeb; color: #b45309; }
.admin-layout .pagination a, .admin-layout .pagination span, .admin-layout .page-current { background: #fff; border-color: #e5e7eb; color: #64748b; }
.admin-layout .pagination a:hover, .admin-layout .pagination .active, .admin-layout .page-current { background: #eff6ff; border-color: #bfdbfe; color: #2563eb; }
.admin-layout .alert { background: #fff; border-color: #e5e7eb; color: #374151; }
.admin-layout .alert-success { background: #f0fdf4; border-color: #bbf7d0; color: #166534; }
.admin-layout .alert-error { background: #fff1f2; border-color: #fecdd3; color: #be123c; }
.admin-layout .alert-warning { background: #fffbeb; border-color: #fde68a; color: #92400e; }
.admin-layout .admin-stat-card, .admin-layout .module-card, .admin-layout .admin-panel { background: #fff; border-color: #e5e7eb; box-shadow: var(--sh-card); }
.admin-layout .admin-stat-card:hover, .admin-layout .module-card:hover { box-shadow: 0 8px 24px rgba(15,23,42,.08); }
.admin-layout .admin-stat-num, .admin-layout .admin-welcome h2, .admin-layout .admin-header-bar h2, .admin-layout .admin-modules h3, .admin-layout .module-info h4, .admin-layout .panel-header h4 { color: #1f2937; }
.admin-layout .admin-stat-label, .admin-layout .welcome-sub, .admin-layout .module-info p, .admin-layout .admin-footer-info { color: #6b7280; }
.admin-layout a { color: #2563eb; }
.admin-layout a:hover { color: #1d4ed8; }
.admin-layout :focus-visible { outline-color: #2563eb; }

@media (max-width: 1024px) {
  .admin-layout .admin-sidebar { width: 100%; height: auto; position: static; }
  .admin-layout .admin-main { width: 100%; }
}

/* T33 后台参考图方向：深蓝导航 + 亮色工作区，仍仅限后台作用域 */
.admin-layout .admin-sidebar {
  width: 224px;
  background: linear-gradient(180deg, #123868 0%, #0c2d57 100%);
  color: #dbeafe;
  border-right: 0;
  box-shadow: 3px 0 16px rgba(15,45,87,.12);
}
.admin-layout .sidebar-header { padding: 24px 20px 20px; border-bottom: 1px solid rgba(255,255,255,.12); }
.admin-layout .admin-logo { color: #fff; font-size: 18px; letter-spacing: .4px; }
.admin-layout .sidebar-nav { padding: 14px 10px; }
.admin-layout .nav-group-title { color: #9fc2eb; padding: 12px 12px 7px; }
.admin-layout .nav-item { color: #d6e5f7; margin: 3px 0; padding: 11px 14px; border-radius: 7px; }
.admin-layout .nav-item:hover { background: rgba(255,255,255,.10); color: #fff; }
.admin-layout .nav-item.active { background: #2f72e8; color: #fff; box-shadow: 0 5px 14px rgba(24,88,190,.35); }
.admin-layout .sidebar-footer { border-top-color: rgba(255,255,255,.12); }
.admin-layout .sidebar-footer a, .admin-layout .sidebar-footer a:hover { color: #b9d1ed; }

/* T33 后台返修：修正侧栏顶部空段与菜单层级 */
.admin-layout .admin-sidebar { top: 0; height: 100vh; }
.admin-layout .sidebar-header { min-height: 72px; display: flex; align-items: center; }
.admin-layout .nav-group { margin-bottom: 18px; }
.admin-layout .nav-group-title {
  color: #8fb6e4; font-size: 12px; font-weight: 700; letter-spacing: 1px;
  padding: 10px 14px 8px; border-bottom: 1px solid rgba(255,255,255,.10);
}
.admin-layout .nav-item {
  font-size: 15px; line-height: 1.45; font-weight: 500; padding: 12px 14px 12px 18px;
}
.admin-layout .nav-item.active { font-weight: 700; }

/* T33+T34 批次 B：后台信息架构增强，业务选择器与表单动作保持不变 */
.admin-layout .admin-page{max-width:1440px;margin:0 auto;padding:28px 32px 44px}
.admin-layout .admin-page>h2,.admin-layout .admin-welcome h2{font-size:28px;line-height:1.25;color:#163b63;margin:0 0 8px;letter-spacing:-.3px}
.admin-layout .admin-page>h2{padding-bottom:18px;border-bottom:1px solid #e5ecf4}
.admin-layout .admin-header-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px;padding-bottom:18px;border-bottom:1px solid #e5ecf4}
.admin-layout .admin-header-bar h2{margin:0;color:#163b63;font-size:25px}
.admin-layout .filter-bar{margin:0 0 18px;padding:16px 18px;border:1px solid #e1e9f2;border-radius:12px;background:#fff;box-shadow:0 4px 14px rgba(25,58,93,.05)}
.admin-layout .filter-form{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin:0}
.admin-layout .filter-form label{font-size:13px;color:#61758b;font-weight:600}
.admin-layout .filter-form input,.admin-layout .filter-form select{min-height:40px;border:1px solid #d5e0ec;border-radius:8px;padding:0 11px;background:#fff;color:#29435f}
.admin-layout .filter-form input[type=date]{min-width:145px}
.admin-layout .data-table{width:100%;border:1px solid #e1e9f2;border-radius:12px;border-spacing:0;overflow:hidden;background:#fff;box-shadow:0 5px 18px rgba(25,58,93,.05)}
.admin-layout .data-table th{background:#f4f8fc;color:#526b84;font-size:12px;font-weight:700;letter-spacing:.2px;padding:13px 14px;white-space:nowrap;border-bottom:1px solid #dfe8f1}
.admin-layout .data-table td{padding:13px 14px;border-bottom:1px solid #edf2f7;color:#29435f;vertical-align:middle}
.admin-layout .data-table tbody tr:hover{background:#f8fbff}
.admin-layout .data-table tbody tr:last-child td{border-bottom:0}
.admin-layout .data-table td:last-child{white-space:nowrap}
.admin-layout .pagination{display:flex;gap:7px;align-items:center;justify-content:flex-end;margin-top:18px}
.admin-layout .pagination a,.admin-layout .pagination span{min-width:34px;min-height:34px;display:inline-grid;place-items:center;border:1px solid #d5e0ec;border-radius:7px;color:#35658e;text-decoration:none;background:#fff}
.admin-layout .pagination .current{background:#2563a8;color:#fff;border-color:#2563a8}
.admin-layout .admin-welcome{padding:4px 0 22px}
.admin-layout .admin-stats-grid{gap:16px;margin-bottom:28px}
.admin-layout .admin-stat-card{border:1px solid #e1e9f2;border-radius:12px;box-shadow:0 5px 18px rgba(25,58,93,.05)}
.admin-layout .admin-modules{padding-top:4px;margin-bottom:28px}.admin-layout .admin-modules>h3{font-size:19px;color:#163b63;margin:0 0 14px}
.admin-layout .module-grid{gap:14px}.admin-layout .module-card{border:1px solid #e1e9f2;border-radius:11px;background:#fff;box-shadow:0 4px 14px rgba(25,58,93,.04)}
.admin-layout .settings-panel,.admin-layout .config-group{padding:18px;border:1px solid #e1e9f2;border-radius:12px;background:#fff;margin:16px 0}
.admin-layout .settings-panel>h3,.admin-layout .config-group>h3{color:#163b63;margin:0 0 14px;font-size:17px}
.admin-layout .admin-page>.form-group{padding:14px 16px;border:1px solid #e1e9f2;border-radius:10px;background:#fff;margin:10px 0}
.admin-layout .admin-page>.form-group label{color:#405a73;font-weight:700}
.admin-layout .chart-section{padding:20px;margin:16px 0;border:1px solid #e1e9f2;border-radius:12px;background:#fff;box-shadow:0 4px 14px rgba(25,58,93,.04)}
.admin-layout .chart-section h3{display:flex;align-items:center;justify-content:space-between;color:#163b63;font-size:17px;margin:0 0 12px}
.admin-layout .report-chart{min-height:280px}
.admin-layout .admin-page>form[action*="navSave"],.admin-layout .admin-page>form[action*="bannerSave"]:first-of-type{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:16px;margin:16px 0;border:1px solid #e1e9f2;border-radius:12px;background:#fff}
.admin-layout .admin-page>form[action*="navSave"] input,.admin-layout .admin-page>form[action*="bannerSave"] input{min-height:40px;border:1px solid #d5e0ec;border-radius:8px;padding:0 11px}
.admin-layout .admin-page>table.data-table img{border-radius:7px;border:1px solid #dce6f0}
.admin-layout .admin-page .alert{border-radius:10px;margin:12px 0}
@media (max-width: 900px){.admin-layout .admin-page{padding:22px 16px 32px}.admin-layout .data-table{display:block;overflow-x:auto;white-space:nowrap}.admin-layout .filter-form{align-items:stretch}.admin-layout .filter-form input,.admin-layout .filter-form select,.admin-layout .filter-form .btn{min-height:44px}.admin-layout .admin-header-bar{align-items:flex-start;flex-direction:column}}