/* ===== 集美校园圈｜集大帮 — 完整样式 ===== */

/* ---------- 主题定义 ---------- */

/* ---------- 主题定义 ---------- */

/* ===== 三套主题 — 只作用导航+卡片标签+按钮+图标，页脚锁定 ===== */
:root, [data-theme="jiaeng"] {
  --primary-color: #C82333;
  --nav-bg: #C05A4A; --page-bg: #FAFAFA; --accent: #C82333;
  --text-main: #2C2C2C; --text-muted: #8A8A8A;
  --card-bg: #FFFFFF; --card-border: #ECECEC;
  --input-bg: #FFFFFF; --input-border: #E0E0E0;
  --tag-bg: #F2F2F2; --tag-text: #C05A4A;
  --tag-hover-bg: #C05A4A; --tag-hover-text: #FFFFFF;
  --btn-gradient: linear-gradient(135deg, #C82333, #D47A6A);
  --link-color: #C05A4A;
  --banner-accent: rgba(192,90,74,0.05);
  --card-shadow: 0 2px 8px rgba(0,0,0,0.04);
  --card-hover-shadow: 0 8px 24px rgba(0,0,0,0.08);
  --icon-default: #94A3B8;
  --icon-interactive: #C82333;
  --icon-emphasis: #C82333;
  --special-bg-1: #FEE2E2;
  --special-bg-2: #E3F2FD;
}
[data-theme="xinglin"] {
  --primary-color: #0284C7;
  --nav-bg: #4A8DB7; --page-bg: #FAFAFA; --accent: #0284C7;
  --text-main: #2C2C2C; --text-muted: #848E96;
  --card-bg: #FFFFFF; --card-border: #E2E8E2;
  --input-bg: #FFFFFF; --input-border: #D0D8D0;
  --tag-bg: #EDF2ED; --tag-text: #4A8DB7;
  --tag-hover-bg: #4A8DB7; --tag-hover-text: #FFFFFF;
  --btn-gradient: linear-gradient(135deg, #0284C7, #6AA8CC);
  --link-color: #4A8DB7;
  --banner-accent: rgba(74,141,183,0.05);
  --card-shadow: 0 2px 8px rgba(0,0,0,0.04);
  --card-hover-shadow: 0 8px 24px rgba(0,0,0,0.08);
  --icon-default: #94A3B8;
  --icon-interactive: #0284C7;
  --icon-emphasis: #0284C7;
  --special-bg-1: #E3F2FD;
  --special-bg-2: #DBEAFE;
}
[data-theme="warmrice"] {
  --primary-color: #D97706;
  --nav-bg: #A0795A; --page-bg: #FAFAFA; --accent: #D97706;
  --text-main: #2C2C2C; --text-muted: #8A8580;
  --card-bg: #FFFFFF; --card-border: #E4E0D8;
  --input-bg: #FFFFFF; --input-border: #D4D0C8;
  --tag-bg: #EFECE5; --tag-text: #A0795A;
  --tag-hover-bg: #A0795A; --tag-hover-text: #FFFFFF;
  --btn-gradient: linear-gradient(135deg, #D97706, #B89478);
  --link-color: #A0795A;
  --banner-accent: rgba(160,121,90,0.05);
  --card-shadow: 0 2px 8px rgba(0,0,0,0.04);
  --card-hover-shadow: 0 8px 24px rgba(0,0,0,0.08);
  --icon-default: #94A3B8;
  --icon-interactive: #D97706;
  --icon-emphasis: #D97706;
  --special-bg-1: #FEF3C7;
  --special-bg-2: #F3E8FF;
}

/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px}
body{
  font-family:-apple-system,"Microsoft YaHei","PingFang SC","Noto Sans SC",sans-serif;
  background:#FAFAFA;
  color:var(--text-main);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit}

a { text-decoration: none; color: inherit; }
a:hover { color: var(--link-hover); }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ===== 图标系统 ===== */
.icon {
  display: inline-block;
  vertical-align: baseline;
  margin-right: 8px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  color: var(--icon-default);
  transition: all 0.25s ease;
  width: 1.2em;
  height: 1.2em;
  flex-shrink: 0;
}
.icon:hover, a:hover .icon, button:hover .icon, .active .icon {
  color: var(--icon-interactive);
}
.logo .icon, .section-title .icon, .side-card-header .icon {
  color: var(--icon-emphasis);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== 顶部导航（白底+主题色文字） ===== */
.top-header {
  background: #ffffff;
  border-bottom: 1px solid var(--card-border);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: border-color 0.25s;
}

.top-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  padding: 0 20px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--nav-bg);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-decoration: none;
  transition: color 0.25s;
}

.site-logo .logo-icon {
  font-size: 20px;
  margin-right: 2px;
}

.site-logo span.sub {
  font-weight: 300;
  opacity: 0.6;
  font-size: 13px;
  color: var(--text-muted);
}

.top-nav { display:flex; align-items:center; gap:0; height:52px; flex:1; justify-content:center; }
.top-nav a {
  position:relative; color:var(--text-main); font-size:13px; padding:0 14px; height:52px; line-height:52px;
  white-space:nowrap; text-decoration:none; margin:0 1px; transition:color .25s;
}
.top-nav a::after {
  content:''; position:absolute; left:50%; bottom:10px; width:0; height:2px;
  background:var(--nav-bg); border-radius:1px;
  transition:width .25s cubic-bezier(.4,0,.2,1), left .25s cubic-bezier(.4,0,.2,1);
}
.top-nav a:hover { color:var(--nav-bg); }
.top-nav a:hover::after { width:60%; left:20%; }
.top-nav a.active { color:var(--nav-bg); font-weight:600; }
.top-nav a.active::after { width:60%; left:20%; }

/* 移动端全屏侧边导航 */
.mobile-nav-overlay {
  display:none; position:fixed; top:0; left:0; right:0; bottom:0;
  background:rgba(0,0,0,0.3); z-index:200;
}
.mobile-nav-overlay.open { display:block; }
.mobile-nav-drawer {
  position:fixed; top:0; left:-280px; width:280px; height:100%;
  background:#ffffff; z-index:201; transition:left .3s ease;
  box-shadow:4px 0 20px rgba(0,0,0,.1); overflow-y:auto;
}
.mobile-nav-drawer.open { left:0; }
.mobile-nav-drawer .drawer-header {
  display:flex; justify-content:space-between; align-items:center;
  padding:16px 18px; border-bottom:1px solid var(--card-border);
}
.mobile-nav-drawer .drawer-header .site-logo { color:var(--nav-bg); font-size:16px; font-weight:700; }
.mobile-nav-drawer .drawer-header .close-btn {
  background:none; border:none; font-size:22px; cursor:pointer; color:var(--text-muted); padding:4px;
}
.mobile-nav-drawer a {
  display:block; padding:14px 20px; border-bottom:1px solid var(--card-border);
  color:var(--text-main); font-size:14px; text-decoration:none; transition:background .15s;
}
.mobile-nav-drawer a:hover { background:var(--banner-accent); color:var(--nav-bg); }
.mobile-nav-drawer a.active { color:var(--nav-bg); font-weight:600; }
.mobile-nav-drawer .drawer-actions {
  display:flex; gap:10px; padding:16px 20px; border-top:1px solid var(--card-border); margin-top:auto;
}
.mobile-nav-drawer .drawer-actions .publish-btn {
  flex:1; padding:10px; background:var(--btn-gradient); color:#fff; border:none;
  border-radius:22px; font-size:14px; text-align:center; text-decoration:none;
}
.mobile-nav-btn {
  display:none; background:none; border:none; color:var(--text-main);
  font-size:22px; cursor:pointer; padding:4px; width:36px; height:36px;
  align-items:center; justify-content:center;
}

/* 学校下拉 */
.nav-dropdown { position: relative; display: inline-flex; align-items: center; }

.nav-dropdown > a {
  display: inline-flex; align-items: center; gap: 3px;
}

.nav-dropdown > a::after {
  content: "▾";
  font-size: 10px;
  opacity: 0.7;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: #ffffff;
  border: 1px solid #e0ddd0;
  border-radius: 0 0 4px 4px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  z-index: 200;
  padding: 6px 0;
}

.nav-dropdown:hover .dropdown-menu { display: block; }

.dropdown-menu .drop-group {
  padding: 4px 0;
  border-bottom: 1px solid #f0ede0;
}

.dropdown-menu .drop-group:last-child { border-bottom: none; }

.drop-group-label {
  font-size: 11px;
  color: var(--text-muted);
  padding: 4px 14px 2px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.dropdown-menu a {
  display: block;
  padding: 6px 14px;
  font-size: 13px;
  color: var(--text-main);
  background: none;
  border: none;
  height: auto;
  line-height: 1.4;
}

.dropdown-menu a:hover {
  background: #f5f3ec;
  color: var(--nav-bg);
}

.top-header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.theme-selector { position: relative; }

.theme-selector select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--card-bg);
  color: var(--text-main);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 5px 28px 5px 12px;
  font-size: 12px;
  cursor: pointer;
  outline: none;
  transition: all 0.25s;
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}

.theme-selector select:hover {
  border-color: var(--nav-bg);
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.theme-selector select:focus {
  border-color: var(--nav-bg);
  box-shadow: 0 0 0 3px var(--banner-accent);
}

.theme-selector select option { background: #ffffff; color: var(--text-main); }

.theme-selector::after {
  content: "▾";
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 10px;
  pointer-events: none;
}



/* ===== 首页Banner ===== */
.site-banner {
  background: var(--page-bg);
  border-bottom: 1px solid var(--card-border);
}

.banner-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 20px 24px;
  display: flex;
  gap: 28px;
  align-items: center;
}

.banner-text { flex: 1; }

.banner-text h1 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
  margin-bottom: 6px;
}

.banner-text p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
}

.banner-search {
  display: flex;
  max-width: 480px;
  border: 2px solid var(--input-border);
  border-radius: 3px;
  overflow: hidden;
}

.banner-search input {
  flex: 1;
  border: none;
  padding: 9px 13px;
  font-size: 14px;
  outline: none;
  background: var(--input-bg);
  color: var(--text-main);
}

.banner-search button {
  background: var(--nav-bg);
  color: #ffffff;
  border: none;
  padding: 9px 20px;
  font-size: 14px;
  cursor: pointer;
  transition: opacity 0.2s;
}

.banner-search button:hover { opacity: 0.88; }

/* ===== 学校快速切换栏 ===== */
.school-tabs {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 20px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.school-tab {
  font-size: 12px;
  padding: 4px 12px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 3px;
  color: var(--text-main);
  transition: all 0.2s;
}

.school-tab:hover {
  border-color: var(--nav-bg);
  color: var(--nav-bg);
}

.school-tab.active {
  background: var(--nav-bg);
  border-color: var(--nav-bg);
  color: #ffffff;
}

.school-tab .level-tag {
  font-size: 10px;
  opacity: 0.6;
  margin-left: 3px;
}

/* ===== 主内容区：两栏 ===== */
.main-area {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 20px;
  display: flex;
  gap: 22px;
}

.main-column { flex: 1; min-width: 0; }
.side-column { flex: 0 0 300px; }

/* ===== 资讯卡片 ===== */
.section-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 4px;
  margin-bottom: 14px;
}

.section-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--card-border);
}

.section-card-header h2 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-card-header h2 .section-dot {
  display: inline-block;
  width: 4px;
  height: 15px;
  background: var(--nav-bg);
  border-radius: 2px;
}

.section-card-header .section-badge {
  font-size: 11px;
  color: var(--text-muted);
  background: var(--tag-bg);
  padding: 1px 8px;
  border-radius: 2px;
}

.section-card-header .more-link {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 3px;
}

.section-card-header .more-link:hover { color: var(--nav-bg); }

.section-card-body { padding: 8px 16px 12px; }

/* 资讯列表 */
.news-list {}
.news-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--card-border);
}

.news-item:last-child { border-bottom: none; }

.news-item .news-school {
  flex-shrink: 0;
  font-size: 10px;
  color: var(--accent);
  background: var(--banner-accent);
  padding: 1px 6px;
  border-radius: 2px;
  margin-top: 3px;
  white-space: nowrap;
}

.news-item .news-cat {
  flex-shrink: 0;
  font-size: 11px;
  color: #ffffff;
  background: var(--nav-bg);
  padding: 1px 7px;
  border-radius: 2px;
  margin-top: 3px;
  white-space: nowrap;
}

.news-item .news-cat.biz-rent { background: #E67E22; }
.news-item .news-cat.biz-job { background: #2ECC71; }
.news-item .news-cat.biz-info { background: #3498DB; }
.news-item .news-cat.biz-second { background: #9B59B6; }
.news-item .news-cat.biz-shop { background: #E74C3C; }

.news-item .news-title {
  flex: 1;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-main);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news-item .news-title:hover { color: var(--nav-bg); }

.news-item .news-date {
  flex-shrink: 0;
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ===== 业务分类入口 ===== */
.biz-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  padding: 6px 0;
}

.biz-entry {
  display: block;
  padding: 12px 6px;
  border: 1px solid var(--card-border);
  border-radius: 4px;
  text-align: center;
  transition: all 0.2s;
  color: var(--text-main);
}

.biz-entry:hover {
  border-color: var(--nav-bg);
  color: var(--nav-bg);
  background: var(--banner-accent);
}

.biz-entry .biz-icon { font-size: 24px; display: block; margin-bottom: 4px; }
.biz-entry .biz-name { font-size: 13px; font-weight: 600; }
.biz-entry .biz-desc { font-size: 11px; color: var(--text-muted); margin-top: 1px; }

/* ===== 右侧侧边栏 ===== */
.side-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 4px;
  margin-bottom: 14px;
}

.side-card-header {
  padding: 11px 14px;
  border-bottom: 1px solid var(--card-border);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 6px;
}

.side-card-body { padding: 8px 14px 10px; }

.side-card-body .side-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px dashed var(--card-border);
  font-size: 13px;
}

.side-card-body .side-item:last-child { border-bottom: none; }

.side-card-body .side-label { color: var(--text-main); }
.side-card-body .side-value { color: var(--nav-bg); font-weight: 600; }

/* 标签云 */
.side-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.side-tags a {
  font-size: 12px;
  padding: 3px 9px;
  background: var(--tag-bg);
  color: var(--tag-text);
  border-radius: 3px;
  transition: all 0.2s;
}

.side-tags a:hover {
  background: var(--nav-bg);
  color: #ffffff;
}

/* 公告列表 */
.bulletin-list {}
.bulletin-item {
  display: flex;
  gap: 6px;
  padding: 7px 0;
  border-bottom: 1px dashed var(--card-border);
  font-size: 13px;
  align-items: flex-start;
}

.bulletin-item:last-child { border-bottom: none; }

.bulletin-item .b-type {
  flex-shrink: 0;
  font-size: 10px;
  color: var(--nav-bg);
  border: 1px solid var(--nav-bg);
  padding: 0 5px;
  border-radius: 2px;
  margin-top: 2px;
}

.bulletin-item .b-text { flex: 1; color: var(--text-main); }
.bulletin-item .b-date {
  flex-shrink: 0;
  font-size: 11px;
  color: var(--text-muted);
}

/* 快捷入口（侧边栏用） */
.side-quick-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.side-quick-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 7px 8px;
  border: 1px solid var(--card-border);
  border-radius: 3px;
  font-size: 12px;
  color: var(--text-main);
  transition: all 0.2s;
}

.side-quick-link:hover {
  border-color: var(--nav-bg);
  color: var(--nav-bg);
}

/* ===== 页脚 ===== */
/* ===== 页脚（固定样式，不跟随主题） ===== */
.site-footer{background:#2A2A2A!important;margin-top:36px;padding:32px 20px 20px}
.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.footer-col h4{color:#E8E4DC;font-size:14px;font-weight:600;margin-bottom:10px}
.footer-col a{display:block;color:#AAAAAA;font-size:13px;padding:4px 0;transition:color .2s}
.footer-col a:hover{color:#E8E4DC}
.footer-col p{color:#AAAAAA;font-size:13px;line-height:1.8}
.footer-bottom{max-width:1200px;margin:20px auto 0;padding-top:14px;border-top:1px solid rgba(255,255,255,.08);text-align:center;font-size:12px;color:rgba(255,255,255,.35);line-height:1.8}
.footer-bottom .icp{display:block;font-size:11px;color:rgba(255,255,255,.25);margin-top:4px}

/* ===== 学校专题入口条 ===== */
.school-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  padding: 6px 0 2px;
}

.school-card-mini {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--card-border);
  border-radius: 4px;
  background: var(--card-bg);
  transition: all 0.2s;
  color: var(--text-main);
  font-size: 13px;
}

.school-card-mini:hover {
  border-color: var(--nav-bg);
  color: var(--nav-bg);
  background: var(--banner-accent);
}

.school-card-mini .sc-icon {
  width: 28px; height: 28px;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  background: var(--banner-accent);
  flex-shrink: 0;
}

.school-card-mini .sc-name { font-weight: 600; font-size: 12px; }
.school-card-mini .sc-level {
  font-size: 10px;
  color: var(--text-muted);
}

/* ===== 列表页 ===== */
.page-header {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px 4px;
}

.page-header h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-main);
}

.page-header .breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.page-header .breadcrumb a:hover { color: var(--nav-bg); }

.list-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 20px 30px;
  display: flex;
  gap: 22px;
}

.list-main { flex: 1; min-width: 0; }
.list-side { flex: 0 0 300px; }

/* 文章列表行 */
.article-row {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--card-border);
}

.article-row:last-child { border-bottom: none; }

.article-row .ar-body { flex: 1; }

.article-row .ar-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 4px;
  display: block;
}

.article-row .ar-title:hover { color: var(--nav-bg); }

.article-row .ar-summary {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-row .ar-meta {
  margin-top: 6px;
  display: flex;
  gap: 14px;
  font-size: 12px;
  color: var(--text-muted);
}

.article-row .ar-meta span { display: flex; align-items: center; gap: 3px; }

/* ===== 详情页 ===== */
.detail-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 24px 20px 40px;
}

.detail-header { margin-bottom: 20px; }

.detail-header .dh-breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.detail-header .dh-breadcrumb a:hover { color: var(--nav-bg); }

.detail-header h1 {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-main);
}

.detail-header .dh-meta {
  margin-top: 10px;
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.detail-body {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 4px;
  padding: 28px;
  line-height: 1.9;
  font-size: 15px;
  color: var(--text-main);
}

.detail-body p { margin-bottom: 16px; }

.detail-footer {
  margin-top: 20px;
  padding: 16px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 4px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-muted);
}

.detail-footer .contact-info {
  color: var(--accent);
  font-weight: 600;
}

/* ===== 专题页 ===== */
.special-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 20px 30px;
}

.special-hero {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 4px;
  padding: 28px 30px;
  margin-bottom: 20px;
  text-align: center;
}

.special-hero h1 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-main);
}

.special-hero p {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 6px;
}

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

.special-section {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 4px;
  padding: 18px;
}

.special-section h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--nav-bg);
}

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .top-nav { display: none; }
  .mobile-nav-btn { display: flex; }
  .main-with-sidebar { flex-direction: column; }
  .sidebar { width: 100%; }
  .topic-grid { grid-template-columns: 1fr; }
  .biz-grid { grid-template-columns: repeat(3, 1fr); }
  .filter-tabs { overflow-x: auto; white-space: nowrap; padding-bottom: 4px; -webkit-overflow-scrolling: touch; }
  .list-filter-bar { flex-direction: column; align-items: stretch; }
  .list-search-bar { max-width: 100%; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 20px; }
}

@media (max-width: 600px) {
  .biz-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .biz-entry { padding: 16px 8px; }
  .biz-entry .biz-icon { font-size: 26px; }
  .top-header-inner { padding: 0 12px; height: 48px; }
  .site-logo { font-size: 15px; }
  .site-logo span.sub { display: none; }
  .hero-banner { padding: 16px 0; }
  .hero-banner-inner h1 { font-size: 18px; }
  .hero-search { max-width: 100%; }
  .hero-publish-btn { padding: 8px 22px; font-size: 13px; }
  .main-with-sidebar { padding: 10px 14px; gap: 14px; }
  .sidebar .side-card { margin-bottom: 12px; }
  .school-nav { gap: 4px; }
  .school-link { font-size: 11px; padding: 4px 11px; }
  .detail-article { padding: 18px; }
  .article-card { padding: 14px 16px; }
  .footer-inner { grid-template-columns: 1fr; gap: 16px; }
  .footer-bottom { font-size: 11px; }
}

@media (max-width: 400px) {
  .biz-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .hero-banner-inner h1 { font-size: 16px; }
  .hero-sub { font-size: 14px; }
  .hero-search input { padding: 8px 12px; font-size: 13px; }
  .hero-search button { padding: 8px 14px; font-size: 13px; }
}