/* ============== 设计令牌 ============== */
:root {
  /* 主色:学院深蓝 - 稳重基调 */
  --primary: #1f4e79;
  --primary-dark: #163a5c;
  --primary-mid: #2d6299;
  --primary-light: #e8eff6;
  --primary-tint: #f4f7fb;

  /* 强调色:古金/黄铜 - 成就、奖项、组织色 */
  --accent: #a88234;
  --accent-dark: #836624;
  --accent-light: #c8a463;
  --accent-soft: #f3ead2;
  --accent-tint: #faf5e9;

  /* 中性墨色 */
  --ink-1: #1a1a1a;
  --ink-2: #3d3d3d;
  --ink-3: #5a5a5a;
  --ink-4: #767676;
  --ink-5: #9e9e9e;

  /* 背景层 */
  --bg-page: #f5f6f8;
  --bg-card: #ffffff;
  --bg-muted: #fafafa;
  --bg-cream: #faf5e9;

  /* 分隔线 */
  --line-1: #e0e0e0;
  --line-2: #ececec;
  --line-3: #d0d0d0;
  --line-accent: #e6d9b5;

  --radius-sm: 2px;
  --radius-md: 3px;
  --radius-lg: 4px;

  --max-width: 1600px;
  --header-height: 64px;
  --nav-height: 44px;
}

/* ============== 重置 ============== */
* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue",
               Arial, sans-serif;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--ink-2);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
   /*zoom: 1.1; 全局放大字体*/
  font-feature-settings: "tnum" 1, "kern" 1;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.15s;
}
a:hover { color: var(--primary-dark); text-decoration: underline; }

h1, h2, h3, h4, h5, h6 {
  color: var(--ink-1);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.005em;
}

img { max-width: 100%; height: auto; }

.container { max-width: var(--max-width); }

/* ============== 站点头 ============== */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--line-1);
  position: relative;
  z-index: 100;  /* 分隔线 */
}

.site-logo {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-mid) 100%);
  color: #fff;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.5px;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  position: relative;
  box-shadow: inset 0 -2px 0 rgba(0,0,0,0.12);
}
.site-logo::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 10px;
  height: 10px;
  background: var(--accent);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
}

.site-title {
  font-size: 19px;
  margin: 0;
  color: var(--ink-1);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.site-subtitle {
  font-size: 12.5px;
  color: var(--ink-4);
  margin: 3px 0 0 0;
  font-weight: 400;
  line-height: 1.4;
}

.search-form .form-control {
  border: 1px solid var(--line-1);
  border-right: none;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  padding: 7px 12px;
  font-size: 13.5px;
  width: 220px;
  background: var(--bg-muted);
}
.search-form .form-control:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: none;
  outline: none;
}
.search-form .btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 7px 16px;
  font-size: 13.5px;
  color: #fff;
}
.search-form .btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}

/* ============== 主导航 ============== */
.main-nav {
  background: #fff;
  border-bottom: 1px solid var(--line-1);
  z-index: 1020;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
}

.nav-list > li { position: relative; }

.nav-list > li > a {
  display: block;
  padding: 12px 22px;
  color: var(--ink-2);
  font-weight: 500;
  font-size: 14.5px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.nav-list > li > a:hover,
.nav-list > li > a.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background: transparent;
  text-decoration: none;
}

.caret {
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  margin-left: 6px;
  vertical-align: middle;
  opacity: 0.7;
}

.nav-dropdown > .dropdown-toggle::after { display: none; }

.dropdown-panel {
  position: absolute;
  top: 100%;
  left: 0;
  width: 720px;
  max-width: 90vw;
  background: #fff;
  border: 1px solid var(--line-1);
  border-radius: var(--radius-md);
  box-shadow: 0 6px 24px rgba(0,0,0,0.08);
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.15s, transform 0.15s, visibility 0.15s;
  z-index: 1000;
}
.nav-dropdown:hover .dropdown-panel,
.nav-dropdown:focus-within .dropdown-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: flex;
  align-items: center;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  color: var(--ink-2);
  transition: background 0.1s, color 0.1s;
  gap: 8px;
}
.dropdown-link:hover {
  background: var(--primary-tint);
  color: var(--primary);
  text-decoration: none;
}
.dropdown-code {
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  font-size: 11px;
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
  min-width: 22px;
}
.dropdown-text { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dropdown-count {
  font-size: 11px;
  color: var(--ink-5);
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
}

/* ============== Hero ============== */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, #163a5c 0%, #1f4e79 45%, #245689 100%);
  color: #fff;
  padding: 64px 0 72px;
  overflow: hidden;
}
.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 85% 15%, rgba(168,130,52,0.10), transparent 50%),
    linear-gradient(180deg, rgba(255,255,255,0.04), transparent 60%);
  pointer-events: none;
}
.hero-section::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 50%, var(--accent) 100%);
  opacity: 0.85;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.hero-text { text-align: center; max-width: 780px; }

.hero-eyebrow {
  display: inline-block;
  padding: 5px 0;
  font-size: 12px;
  color: var(--accent-light);
  letter-spacing: 0.05em;
  border-top: 1px solid rgba(200,164,99,0.55);
  border-bottom: 1px solid rgba(200,164,99,0.55);
  margin-bottom: 22px;
  text-transform: uppercase;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  position: relative;
}
.hero-eyebrow::before {
  content: "◆";
  margin-right: 8px;
  color: var(--accent);
  font-size: 9px;
  vertical-align: middle;
}

.hero-title {
  color: #fff;
  font-size: 30px;
  font-weight: 600;
  margin: 0 0 18px 0;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.hero-desc {
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(255,255,255,0.86);
  margin-bottom: 28px;
  max-width: 640px;
}

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.hero-actions .btn {
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  padding: 9px 22px;
  letter-spacing: 0.01em;
}
.hero-actions .btn-primary {
  background: #fff;
  border-color: #fff;
  color: var(--primary);
  font-weight: 600;
}
.hero-actions .btn-primary:hover {
  background: rgba(255,255,255,0.9);
  color: var(--primary-dark);
}
.hero-actions .btn-outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.55);
  color: #fff;
}
.hero-actions .btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.75);
  color: #fff;
  text-decoration: none;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  min-width: 340px;
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.18);
}
.hero-stat-card {
  background: var(--primary);
  padding: 22px 18px;
  text-align: left;
  transition: background 0.15s;
  border-left: 2px solid var(--accent);
  position: relative;
}
.hero-stat-card:hover {
  background: var(--primary-dark);
}
.hero-stat-card::after {
  content: "";
  position: absolute;
  left: 18px;
  bottom: 14px;
  width: 22px;
  height: 1px;
  background: var(--accent-light);
  opacity: 0.6;
}
.hero-stat-num {
  font-size: 28px;
  font-weight: 600;
  color: #fff;
  line-height: 1;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  letter-spacing: -0.01em;
}
.hero-stat-label {
  font-size: 12px;
  color: rgba(255,255,255,0.78);
  margin-top: 6px;
  letter-spacing: 0.02em;
  padding-bottom: 6px;
}

/* ============== 通用板块 ============== */
.section {
  background: #fff;
  padding: 56px 0;
  border-bottom: 1px solid var(--line-2);
}
.section.section-muted { background: var(--bg-page); }
.section-modules { background: var(--bg-page) !important; }
.section-stats {
  background: linear-gradient(180deg, #fff 0%, var(--accent-tint) 100%) !important;
}

.section-head {
  margin-bottom: 32px;
}
.section-head-left { text-align: left; }
.section-title {
  font-size: 22px;
  font-weight: 600;
  margin: 0;
  color: var(--ink-1);
  letter-spacing: -0.01em;
  display: inline-block;
  position: relative;
  padding-left: 14px;
}
.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background: var(--primary);
}
.section-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 36px;
  height: 1px;
  background: var(--accent);
}
.section-sub {
  color: var(--ink-4);
  margin: 8px 0 0 12px;
  font-size: 13.5px;
}

/* ============== Feature 卡片 ============== */
.feature-card {
  background: #fff;
  border: 1px solid var(--line-1);
  border-top: 2px solid var(--line-1);
  border-radius: var(--radius-md);
  padding: 24px 22px 22px;
  height: 100%;
  transition: border-color 0.15s, background 0.15s, transform 0.15s;
  position: relative;
}
.feature-card:hover {
  border-color: var(--primary-light);
  border-top-color: var(--accent);
  background: #fff;
}
.feature-index {
  font-size: 11.5px;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 14px;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  letter-spacing: 0.08em;
  display: inline-block;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--line-accent);
}
.feature-card h4 {
  font-size: 16.5px;
  margin: 0 0 8px 0;
  color: var(--ink-1);
  font-weight: 600;
}
.feature-card p {
  font-size: 13.5px;
  color: var(--ink-3);
  margin: 0;
  line-height: 1.7;
}

/* ============== 模块卡片(首页) ============== */
.module-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line-1);
  border-radius: var(--radius-md);
  padding: 0;
  height: 100%;
  transition: border-color 0.15s, background 0.15s;
  color: var(--ink-2);
  overflow: hidden;
}
.module-card:hover {
  border-color: var(--primary-light);
  text-decoration: none;
  color: var(--ink-2);
}
.module-card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 14px 18px 10px;
  border-bottom: 1px solid var(--line-2);
  position: relative;
}
.module-card-head::after {
  content: "";
  position: absolute;
  left: 18px;
  bottom: -1px;
  width: 28px;
  height: 2px;
  background: var(--accent);
}
.module-card-code {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
}
.module-card-count {
  font-size: 11.5px;
  color: var(--ink-4);
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
}
.module-card-body {
  flex: 1;
  padding: 14px 18px 12px;
}
.module-card-title {
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink-1);
  margin: 0 0 6px 0;
  line-height: 1.45;
}
.module-card-summary {
  font-size: 12.5px;
  color: var(--ink-4);
  margin: 0;
  line-height: 1.65;
  min-height: 42px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.module-card-foot {
  padding: 10px 18px;
  border-top: 1px solid var(--line-2);
  background: var(--bg-muted);
}
.module-card-more {
  font-size: 12px;
  color: var(--ink-4);
  font-weight: 500;
  letter-spacing: 0.02em;
}
.module-card:hover .module-card-more { color: var(--primary); }

/* ============== 核心数据 ============== */
.stats-intro {
  font-size: 14px;
  color: var(--ink-3);
  line-height: 1.85;
}
.stats-grid {
  border-left: 1px solid var(--line-1);
  border-top: 1px solid var(--line-1);
}
.stat-block {
  background: #fff;
  padding: 22px 18px;
  border-right: 1px solid var(--line-1);
  border-bottom: 1px solid var(--line-1);
  transition: background 0.15s;
  position: relative;
}
.stat-block::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.2s ease;
}
.stat-block:hover {
  background: var(--accent-tint);
}
.stat-block:hover::before {
  width: 100%;
}
.stat-num {
  font-size: 26px;
  font-weight: 600;
  color: var(--ink-1);
  line-height: 1;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  letter-spacing: -0.01em;
}
.stat-num::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-left: 6px;
  border-radius: 50%;
  background: var(--accent-light);
  vertical-align: 4px;
  opacity: 0.5;
}
.stat-label {
  font-size: 12px;
  color: var(--ink-4);
  margin-top: 8px;
  letter-spacing: 0.02em;
}

/* ============== 页头/Page Header ============== */
.page-header {
  background: linear-gradient(180deg, var(--primary-tint) 0%, #fff 100%);
  border-bottom: 1px solid var(--line-1);
  color: var(--ink-1);
  padding: 28px 0 22px;
  position: relative;
}
.page-header::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 60px;
  height: 2px;
  background: var(--accent);
}
.page-header .breadcrumb {
  background: transparent;
  padding: 0;
  margin: 0 0 6px 0;
  font-size: 12.5px;
}
.page-header .breadcrumb a { color: var(--ink-4); }
.page-header .breadcrumb a:hover { color: var(--primary); }
.page-header .breadcrumb-item.active { color: var(--ink-3); }
.page-header .breadcrumb-item + .breadcrumb-item::before {
  color: var(--ink-5);
  content: "/";
}
.page-header .page-title,
.page-header h1 {
  color: var(--ink-1);
  font-size: 22px;
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.page-header-desc {
  margin: 6px 0 0;
  font-size: 13.5px;
  color: var(--ink-4);
}

/* ============== 内容区 ============== */
.content-section {
  background: #fff;
  border: 1px solid var(--line-1);
  border-radius: var(--radius-md);
  padding: 28px;
}

.section-heading {
  font-size: 16px;
  color: var(--ink-1);
  border-left: 3px solid var(--primary);
  padding-left: 10px;
  margin: 0 0 16px 0;
  line-height: 1.4;
  font-weight: 600;
  position: relative;
}
.section-heading::before {
  content: "";
  position: absolute;
  left: -3px;
  bottom: -1px;
  width: 3px;
  height: 6px;
  background: var(--accent);
}
.section-heading .badge {
  font-size: 11px;
  vertical-align: middle;
  background: var(--ink-1);
  color: #fff;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

.module-overview {
  background: var(--bg-muted);
  border: 1px solid var(--line-1);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 24px;
}

.description-list {
  margin: 0;
  padding-left: 22px;
}
.description-list li {
  padding: 5px 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-2);
  border-bottom: 1px dashed var(--line-2);
  position: relative;
}
.description-list li:last-child { border-bottom: none; }
.description-list li::marker { color: var(--accent); }

/* ============== 子模块卡片 ============== */
.sub-card {
  display: block;
  background: #fff;
  border: 1px solid var(--line-1);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  height: 100%;
  transition: border-color 0.15s, background 0.15s;
  color: var(--ink-2);
}
.sub-card:hover {
  border-color: var(--primary);
  text-decoration: none;
  color: var(--ink-2);
}
.sub-card-head {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
}
.sub-card-num {
  background: var(--accent-tint);
  color: var(--accent);
  border: 1px solid var(--line-accent);
  padding: 1px 7px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  letter-spacing: 0.03em;
}
.sub-card-title {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-1);
  line-height: 1.5;
  flex: 1;
}
.sub-card-body {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.sub-card-body .badge {
  font-size: 11px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  padding: 3px 8px;
  background: var(--bg-muted);
  color: var(--ink-3);
  border: 1px solid var(--line-1);
}
.sub-card-foot {
  font-size: 12px;
  color: var(--primary);
  text-align: right;
  font-weight: 500;
}

/* ============== 图片画廊 ============== */
.gallery-toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}
.gallery.gallery-grid {
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}
.gallery.list-mode { grid-template-columns: 1fr; }

.gallery-item {
  background: #fff;
  border: 1px solid var(--line-1);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.15s;
  position: relative;
  display: flex;
  flex-direction: column;
}
.gallery-item:hover {
  border-color: var(--primary);
}
.gallery-thumb {
  position: relative;
  background: #f3f5f7;
  aspect-ratio: 3 / 4;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line-2);
}
.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #fff;
}

.gallery-thumb-file {
  text-align: center;
  padding: 20px;
  color: var(--ink-4);
}
.gallery-thumb-file .ext-tag {
  display: inline-block;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-tint);
  border: 1px solid var(--line-accent);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.gallery-thumb-file span { font-size: 12px; word-break: break-all; display: block; }

.gallery-meta {
  padding: 10px 12px;
  flex: 1;
  border-top: 1px solid var(--line-2);
  background: #fff;
}
.gallery-meta-title {
  font-size: 12.5px;
  color: var(--ink-1);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 4px;
}
.gallery-meta-sub {
  font-size: 11px;
  color: var(--ink-5);
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
}

.gallery-zoom {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0,0,0,0.55);
  color: #fff;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.15s;
  z-index: 2;
  font-size: 12px;
}
.gallery-item:hover .gallery-zoom { opacity: 1; }
.gallery-zoom::after { content: "查看"; font-size: 11px; }

/* ============== 侧栏 ============== */
.sidebar-card {
  background: #fff;
  border: 1px solid var(--line-1);
  border-radius: var(--radius-md);
  padding: 18px;
}
.sidebar-title {
  font-size: 14px;
  color: var(--ink-1);
  margin: 0 0 12px 0;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink-1);
  font-weight: 600;
  letter-spacing: -0.005em;
  position: relative;
}
.sidebar-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 32px;
  height: 2px;
  background: var(--accent);
}
.sidebar-list { list-style: none; padding: 0; margin: 0; }
.sidebar-list li a {
  display: flex;
  align-items: center;
  padding: 7px 6px;
  font-size: 13px;
  color: var(--ink-2);
  transition: background 0.1s, color 0.1s;
  text-decoration: none;
  border-radius: var(--radius-sm);
  gap: 10px;
}
.sidebar-list li a:hover,
.sidebar-list li a.active {
  background: var(--primary-tint);
  color: var(--primary);
}
.sidebar-num {
  color: var(--ink-5);
  font-size: 11px;
  font-weight: 600;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  min-width: 22px;
}
.sidebar-list li a:hover .sidebar-num,
.sidebar-list li a.active .sidebar-num { color: var(--primary); }
.sidebar-text {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sidebar-arrow {
  color: var(--ink-5);
  font-size: 11px;
}
.sidebar-list li a:hover .sidebar-arrow { color: var(--primary); }

.sidebar-stat-list { list-style: none; padding: 0; margin: 0; }
.sidebar-stat-list li {
  display: flex;
  justify-content: space-between;
  padding: 8px 4px;
  border-bottom: 1px solid var(--line-2);
  font-size: 13px;
}
.sidebar-stat-list li:last-child { border-bottom: none; }
.sidebar-stat-list strong {
  color: var(--ink-1);
  font-size: 15px;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
}

.sidebar-list-scroll {
  max-height: 480px;
  overflow-y: auto;
  padding-right: 4px;
}
.sidebar-list-scroll::-webkit-scrollbar { width: 6px; }
.sidebar-list-scroll::-webkit-scrollbar-thumb {
  background: var(--line-3);
  border-radius: 3px;
}
.sidebar-list-scroll::-webkit-scrollbar-thumb:hover { background: var(--ink-5); }

.sidebar-stat-num {
  font-size: 22px;
  font-weight: 600;
  color: var(--ink-1);
  line-height: 1;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
}
.sidebar-stat-label {
  font-size: 12px;
  color: var(--ink-4);
  margin-top: 4px;
}

/* ============== 文章 ============== */
.content-article h2 {
  font-size: 19px;
  color: var(--ink-1);
  border-left: 3px solid var(--primary);
  padding-left: 12px;
  margin: 28px 0 14px;
  font-weight: 600;
  position: relative;
}
.content-article h2::before {
  content: "";
  position: absolute;
  left: -3px;
  bottom: -1px;
  width: 3px;
  height: 6px;
  background: var(--accent);
}
.content-article h2:first-of-type { margin-top: 0; }
.content-article h3 {
  font-size: 15.5px;
  color: var(--ink-1);
  margin: 20px 0 10px;
  font-weight: 600;
}
.content-article p {
  margin: 0 0 14px 0;
  line-height: 1.85;
  font-size: 14.5px;
  color: var(--ink-2);
}
.content-article ul { padding-left: 22px; }
.content-article ul li {
  margin-bottom: 6px;
  line-height: 1.8;
  font-size: 14.5px;
  color: var(--ink-2);
}

.achievement-name {
  background: linear-gradient(135deg, var(--accent-tint) 0%, #fff 100%);
  border: 1px solid var(--line-accent);
  border-left: 4px solid var(--accent);
  padding: 18px 22px 18px 26px;
  font-size: 16px;
  color: var(--ink-1);
  font-weight: 600;
  border-radius: var(--radius-md);
  margin: 14px 0 22px 0;
  position: relative;
}
.achievement-name::before {
  content: "成果名称";
  position: absolute;
  top: -9px;
  left: 18px;
  background: #fff;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0 8px;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
}

/* ============== Overview 卡片 ============== */
.overview-toolbar {
  background: #fff;
  border: 1px solid var(--line-1);
  border-radius: var(--radius-md);
  padding: 14px 18px;
}
.overview-intro { font-size: 13.5px; line-height: 1.75; }
.overview-intro strong { color: var(--ink-1); font-weight: 600; }

.overview-card {
  background: #fff;
  border: 1px solid var(--line-1);
  border-radius: var(--radius-md);
  height: 100%;
  overflow: hidden;
  transition: border-color 0.15s;
  display: flex;
  flex-direction: column;
}
.overview-card:hover {
  border-color: var(--primary);
}
.overview-card-header {
  padding: 12px 16px;
  background: var(--bg-muted);
  border-bottom: 1px solid var(--line-1);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}
.overview-code {
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
}
.overview-meta {
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  font-size: 11.5px;
  color: var(--ink-4);
}

.overview-card-body {
  padding: 16px;
  flex: 1;
}
.overview-title {
  font-size: 15px;
  margin: 0 0 8px 0;
  font-weight: 600;
}
.overview-title a { color: var(--ink-1); }
.overview-title a:hover { color: var(--primary); }
.overview-summary {
  font-size: 12.5px;
  color: var(--ink-4);
  margin: 0 0 12px 0;
  line-height: 1.65;
  min-height: 42px;
}
.overview-details {
  margin-top: 12px;
  font-size: 12.5px;
  border-top: 1px dashed var(--line-2);
  padding-top: 10px;
}
.overview-details summary {
  cursor: pointer;
  color: var(--primary);
  font-size: 12px;
  padding: 2px 0;
  list-style: none;
}
.overview-details summary::before {
  content: "+";
  display: inline-block;
  width: 12px;
  color: var(--primary);
  font-weight: 700;
}
.overview-details[open] summary::before { content: "−"; }
.overview-card-foot {
  padding: 10px 16px;
  border-top: 1px solid var(--line-2);
  background: var(--bg-muted);
}
.overview-link {
  font-size: 12.5px;
  color: var(--primary);
  font-weight: 500;
  letter-spacing: 0.01em;
}
.overview-link:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* 列表视图 */
.overview-list-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  background: #fff;
  border: 1px solid var(--line-1);
  border-radius: var(--radius-md);
  margin-bottom: 8px;
  transition: border-color 0.15s;
}
.overview-list-item:hover {
  border-color: var(--primary);
}
.overview-list-code {
  width: 44px;
  height: 44px;
  background: var(--accent-tint);
  border: 1px solid var(--line-accent);
  color: var(--accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  letter-spacing: 0.05em;
}
.overview-list-main { flex: 1; min-width: 0; }
.overview-list-main h5 {
  font-size: 15px;
  margin: 0 0 4px 0;
  font-weight: 600;
}
.overview-list-main h5 a { color: var(--ink-1); }
.overview-list-main h5 a:hover { color: var(--primary); }
.overview-list-side {
  text-align: right;
  padding-left: 16px;
  border-left: 1px solid var(--line-2);
  min-width: 80px;
}
.overview-list-num {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink-1);
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
}
.overview-sub-tags { margin-top: 6px; }
.sub-tag {
  display: inline-block;
  padding: 2px 8px;
  margin: 2px 4px 2px 0;
  background: #fff;
  color: var(--ink-3);
  border-radius: var(--radius-sm);
  font-size: 11.5px;
  text-decoration: none;
  border: 1px solid var(--line-1);
  transition: all 0.1s;
}
.sub-tag:hover {
  background: var(--primary-tint);
  color: var(--primary);
  border-color: var(--primary-light);
  text-decoration: none;
}

/* ============== 搜索页 ============== */
.search-big-form .input-group-text {
  background: #fff;
  border: 1px solid var(--line-1);
  border-right: none;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  padding-left: 14px;
  color: var(--ink-4);
}
.search-big-form .form-control {
  border: 1px solid var(--line-1);
  border-left: none;
  padding: 11px 14px;
  font-size: 14.5px;
  background: #fff;
}
.search-big-form .form-control:focus {
  border-color: var(--primary);
  box-shadow: none;
  outline: none;
}
.search-big-form .btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  padding: 11px 22px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: #fff;
}

.search-result-item {
  display: flex;
  gap: 14px;
  background: #fff;
  border: 1px solid var(--line-1);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  margin-bottom: 8px;
  transition: border-color 0.15s;
}
.search-result-item:hover { border-color: var(--primary); }
.search-result-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-tint);
  border: 1px solid var(--line-accent);
  color: var(--accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
}
.search-result-body { flex: 1; min-width: 0; }
.search-result-crumbs {
  font-size: 11px;
  color: var(--ink-5);
  margin-bottom: 4px;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
}
.search-result-title {
  font-size: 14.5px;
  margin: 0 0 4px 0;
  font-weight: 600;
}
.search-result-snippet {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.search-result-side { display: flex; align-items: center; }

/* ============== Empty State ============== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--ink-4);
}
.empty-state .empty-mark {
  font-size: 13px;
  color: var(--accent);
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  margin-bottom: 14px;
  letter-spacing: 0.05em;
  padding: 4px 12px;
  display: inline-block;
  border: 1px solid var(--line-accent);
  background: var(--accent-tint);
  border-radius: var(--radius-sm);
}
.empty-state h4 {
  color: var(--ink-1);
  margin-bottom: 8px;
  font-size: 17px;
}

/* ============== Footer ============== */
.site-footer {
  background: #1f2933;
  color: rgba(255,255,255,0.7);
  padding: 32px 0 22px;
  margin-top: 48px;
  border-top: 3px solid var(--accent);
  position: relative;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: -3px;
  left: 0;
  width: 120px;
  height: 3px;
  background: var(--primary);
}

.footer-info h5 {
  color: #fff;
  font-size: 14.5px;
  margin: 0 0 6px 0;
  font-weight: 600;
}
.footer-info p { margin: 0 0 4px 0; font-size: 12.5px; }
.footer-stats { font-size: 12.5px; }
.footer-counter { color: rgba(255,255,255,0.85); }
.footer-counter strong {
  color: #fff;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  font-weight: 700;
  font-size: 14px;
}

/* ============== 返回顶部 ============== */
#backToTop {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 40px;
  height: 40px;
  background: var(--ink-1);
  color: #fff;
  border: 1px solid var(--ink-1);
  border-radius: var(--radius-sm);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s, background 0.15s;
  z-index: 999;
  font-size: 12px;
  font-weight: 600;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
}
#backToTop.show {
  opacity: 0.92;
  visibility: visible;
}
#backToTop:hover {
  background: var(--accent);
  border-color: var(--accent);
  opacity: 1;
}
#backToTop::before {
  content: "↑";
  font-size: 18px;
  line-height: 1;
}

/* ============== Lightbox 弹窗 ============== */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s;
}
.lightbox-overlay.show { opacity: 1; visibility: visible; }
.lightbox-container {
  max-width: 90vw;
  max-height: 88vh;
  position: relative;
  text-align: center;
}
.lightbox-container img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}
.lightbox-caption {
  color: #fff;
  padding: 10px 16px;
  font-size: 12.5px;
  background: rgba(0,0,0,0.5);
  border-radius: var(--radius-sm);
  margin-top: 10px;
  max-width: 80vw;
  margin-left: auto;
  margin-right: auto;
}
.lightbox-close {
  position: absolute;
  top: -36px;
  right: 0;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 14px;
}
.lightbox-close::after { content: "×"; font-size: 18px; }
.lightbox-prev, .lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
}
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }
.lightbox-prev:hover, .lightbox-next:hover {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.5);
}
.lightbox-counter {
  position: absolute;
  top: -34px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.8);
  font-size: 12.5px;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
}

/* ============== Error ============== */
.error-block { padding: 80px 20px; }
.error-code {
  font-size: 86px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  letter-spacing: 2px;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
}
.error-message {
  font-size: 20px;
  color: var(--ink-1);
  margin: 16px 0 10px;
  font-weight: 600;
}

/* ============== 通用按钮微调 ============== */
.btn-outline-primary {
  --bs-btn-color: var(--primary);
  --bs-btn-border-color: var(--primary);
  --bs-btn-hover-bg: var(--primary);
  --bs-btn-hover-border-color: var(--primary);
  --bs-btn-active-bg: var(--primary-dark);
  --bs-btn-active-border-color: var(--primary-dark);
}
.btn-outline-primary.active {
  background: var(--primary);
  color: #fff;
}
.badge.bg-primary {
  background: var(--primary) !important;
  color: #fff;
}
.badge.bg-secondary {
  background: var(--ink-3) !important;
  color: #fff;
}
.badge.bg-light {
  background: var(--bg-muted) !important;
  color: var(--ink-3) !important;
  border: 1px solid var(--line-1);
}

/* ============== 响应式 ============== */
@media (max-width: 992px) {
  .site-title { font-size: 17px; }
  .site-subtitle { font-size: 11.5px; }
  .hero-title { font-size: 26px; }
  .hero-stats { display: none; }
  .hero-section { padding: 48px 0 56px; }
  .section { padding: 40px 0; }
}

@media (max-width: 768px) {
  .site-header .container { padding: 10px 14px; }
  .site-logo { width: 44px; height: 44px; font-size: 13px; }
  .site-title { font-size: 15.5px; }
  .site-subtitle { font-size: 11px; }
  .search-form { display: none !important; }

  .nav-list { overflow-x: auto; flex-wrap: nowrap; }
  .nav-list::-webkit-scrollbar { display: none; }
  .nav-list > li > a { padding: 10px 14px; font-size: 13.5px; white-space: nowrap; }

  .hero-section { padding: 36px 0 44px; }
  .hero-title { font-size: 21px; }
  .hero-desc { font-size: 13.5px; }
  .hero-actions .btn { padding: 8px 18px; font-size: 13.5px; }

  .section { padding: 32px 0; }
  .section-title { font-size: 18px; }

  .feature-card { padding: 18px 16px; }
  .feature-card h4 { font-size: 15px; }

  .module-card-title { font-size: 14.5px; }

  .gallery { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)) !important; gap: 10px; }
  .gallery.gallery-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)) !important; }

  .content-section { padding: 18px; }
  .section-heading { font-size: 15px; }

  .page-header { padding: 22px 0 18px; }
  .page-header .page-title, .page-header h1 { font-size: 19px; }

  #backToTop { bottom: 18px; right: 18px; width: 36px; height: 36px; }

  .dropdown-panel { display: none; }
  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }

  .overview-list-item { padding: 14px; gap: 12px; }
  .overview-list-side { min-width: 60px; padding-left: 12px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 18px; }
  .hero-eyebrow { font-size: 11px; }
  .hero-stat-card { padding: 16px 12px; }
  .hero-stat-num { font-size: 22px; }

  .module-card-more { font-size: 11px; }

  .gallery { grid-template-columns: repeat(2, 1fr) !important; }
  .gallery.gallery-grid { grid-template-columns: repeat(2, 1fr) !important; }
}

/* ============== 打印 ============== */
@media print {
  .main-nav, .site-footer, #backToTop, .search-form, .hero-actions { display: none !important; }
  .hero-section { background: #fff !important; color: #000 !important; padding: 20px 0; border-bottom: 1px solid #000; }
  .hero-title, .hero-eyebrow, .hero-desc, .hero-stat-num, .hero-stat-label {
    color: #000 !important;
    border-color: #999 !important;
  }
  body { background: #fff; }
  .section { border: none; }
}

/* ============== v2 重构新增组件 ============== */

/* 数字基类（等宽，供 animateNum 动画） */
.count {
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  font-variant-numeric: tabular-nums;
}

/* Hero 数据看板 */
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  width: 100%;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.18);
}
.hero-metric {
  background: rgba(22, 58, 92, 0.92);
  padding: 18px 18px 16px;
  position: relative;
  border-left: 2px solid var(--accent);
  transition: background 0.15s;
}
.hero-metric:hover { background: rgba(22, 58, 92, 1); }
.hero-metric::after {
  content: "";
  position: absolute;
  left: 18px; bottom: 12px;
  width: 20px; height: 1px;
  background: var(--accent-light); opacity: 0.6;
}
.metric-num {
  font-size: 32px; font-weight: 700;
  color: #fff; line-height: 1;
  letter-spacing: -0.02em;
  display: flex; align-items: baseline; gap: 4px;
}
.metric-unit {
  font-size: 14px; font-weight: 600;
  color: var(--accent-light);
}
.metric-label {
  margin-top: 9px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.82);
  padding-bottom: 4px;
}
.metric-note {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 2px;
}

/* 模块页统计行 */
.module-statline {
  display: flex; flex-wrap: wrap; gap: 24px;
  margin-top: 14px;
  font-size: 13px;
  color: var(--ink-4);
}
.module-statline strong {
  color: var(--primary);
  font-size: 17px;
  margin-right: 3px;
}

/* 分类直达锚点条 */
.anchor-bar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  padding: 12px 14px;
  background: var(--bg-muted);
  border: 1px solid var(--line-1);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}
.anchor-bar-label {
  font-size: 11.5px; color: var(--ink-4);
  letter-spacing: 0.05em;
  margin-right: 4px;
}
.anchor-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 11px;
  background: #fff;
  border: 1px solid var(--line-1);
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  color: var(--ink-2);
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}
.anchor-tag:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  text-decoration: none;
}
.anchor-tag-code {
  font-size: 11px; font-weight: 700;
  color: var(--accent);
}
.anchor-tag:hover .anchor-tag-code { color: var(--accent-light); }
.anchor-tag-num {
  font-size: 11px; color: var(--ink-5);
  background: var(--bg-muted);
  padding: 1px 6px; border-radius: var(--radius-sm);
}
.anchor-tag:hover .anchor-tag-num { background: rgba(255, 255, 255, 0.18); color: #fff; }

/* 工具条提示 */
.gallery-toolbar-hint {
  font-size: 12px; color: var(--ink-5);
  margin-left: 8px;
}

/* 成果条目列表 */
.entry-list {
  list-style: none; margin: 0 0 24px 0; padding: 0;
  border: 1px solid var(--line-1);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.entry-list .entry-item {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 9px 14px;
  font-size: 13px; line-height: 1.65;
  color: var(--ink-2);
  border-bottom: 1px solid var(--line-2);
}
.entry-list .entry-item:last-child { border-bottom: none; }
.entry-list .entry-item:nth-child(even) { background: var(--bg-muted); }
.entry-seq {
  flex-shrink: 0;
  font-size: 11px; font-weight: 700;
  color: var(--accent);
  min-width: 26px;
  padding-top: 1px;
}
.entry-tag {
  flex-shrink: 0;
  font-size: 10.5px; font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 1px 7px;
  border-radius: var(--radius-sm);
}
.entry-text { flex: 1; word-break: break-word; }
.entry-list-compact .entry-item { padding: 6px 14px; font-size: 12.5px; }

/* 分类区块（瀑布流分组） */
.group-section {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px dashed var(--line-3);
  scroll-margin-top: 80px;
}
.group-section:first-of-type { border-top: none; padding-top: 0; }
.group-heading { display: flex; align-items: center; gap: 10px; }
.group-code {
  font-size: 12px; font-weight: 700;
  color: #fff; background: var(--primary);
  padding: 2px 8px; border-radius: var(--radius-sm);
}

/* 瀑布流图墙（纯 CSS columns，零依赖） */
.gallery-wall {
  display: block;
  column-count: 4;
  column-gap: 14px;
}
.gallery-wall .gallery-item {
  display: inline-block;
  width: 100%;
  margin: 0 0 14px;
  break-inside: avoid;
  vertical-align: top;
}

/* About 数据条 */
.about-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-1);
  border: 1px solid var(--line-1);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: 18px 0 26px;
}
.about-metric {
  background: #fff;
  padding: 16px 14px;
  border-top: 2px solid var(--accent);
}
.about-metric-num {
  font-size: 24px; font-weight: 700;
  color: var(--primary);
  display: flex; align-items: baseline; gap: 3px;
  line-height: 1;
}
.about-metric-unit { font-size: 13px; color: var(--accent); font-weight: 600; }
.about-metric-label {
  font-size: 12px; color: var(--ink-4);
  margin-top: 6px;
}

/* 新增组件响应式 */
@media (max-width: 1200px) {
  .gallery-wall { column-count: 3; }
}
@media (max-width: 992px) {
  .gallery-wall { column-count: 3; }
}
@media (max-width: 768px) {
  .hero-metrics { grid-template-columns: repeat(2, 1fr); }
  .metric-num { font-size: 26px; }
  .gallery-wall { column-count: 2; }
  .about-metrics { grid-template-columns: repeat(2, 1fr); }
  .module-statline { gap: 16px; }
}
@media (max-width: 480px) {
  .hero-metrics { grid-template-columns: repeat(2, 1fr); }
  .gallery-wall { column-count: 1; }
}

/* 打印优化（新增组件） */
@media print {
  .anchor-bar, .gallery-toolbar, .anchor-tag { display: none !important; }
  .gallery-wall { column-count: 2; }
  .hero-metric, .about-metric { background: #fff !important; border: 1px solid #999 !important; }
  .metric-num, .metric-label, .about-metric-num { color: #000 !important; }
  .metric-unit, .about-metric-unit { color: #555 !important; }
  .group-section { page-break-inside: avoid; }
}