/* ===================== 全局基础 ===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif; color: #222; background: #fff; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===================== 按钮 ===================== */
.btn-primary {
  display: inline-block; padding: 12px 32px; background: #1565c0; color: #fff;
  border-radius: 4px; font-size: 15px; transition: background .25s;
}
.btn-primary:hover { background: #0d47a1; }
.btn-outline {
  display: inline-block; padding: 11px 30px; border: 2px solid #fff; color: #fff;
  border-radius: 4px; font-size: 15px; margin-left: 12px; transition: all .25s;
}
.btn-outline:hover { background: rgba(255,255,255,0.15); }
.btn-white {
  display: inline-block; padding: 14px 40px; background: #fff; color: #1565c0;
  border-radius: 4px; font-size: 15px; font-weight: 700; transition: all .25s;
}
.btn-white:hover { background: #e3f2fd; }

/* ===================== 通用区块标题 ===================== */
.section { padding: 80px 0; }
.section-title { text-align: center; margin-bottom: 48px; }
.section-tag { font-size: 13px; letter-spacing: 3px; color: #1565c0; font-weight: 600; }
.section-title h2 { font-size: 32px; margin: 8px 0 12px; color: #111; }
.section-title p { font-size: 15px; color: #666; }
.center-btn { text-align: center; margin-top: 40px; }

/* ===================== Header ===================== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,45,94,0.95); backdrop-filter: blur(8px);
  transition: background .3s, box-shadow .3s;
}
.header.scrolled { background: rgba(10,45,94,0.99); box-shadow: 0 2px 16px rgba(0,0,0,0.18); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo-icon {
  width: 44px; height: 44px; background: linear-gradient(135deg,#ffd600,#ffab00);
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 900; color: #0a2d5e; flex-shrink: 0;
}
.logo-icon.sm { width: 36px; height: 36px; font-size: 13px; }
.logo-cn { display: block; font-size: 18px; font-weight: 700; color: #fff; line-height: 1.2; }
.logo-en { display: block; font-size: 10px; color: rgba(255,255,255,0.6); letter-spacing: 1px; }
.nav { display: flex; gap: 4px; }
.nav-link {
  padding: 8px 16px; color: rgba(255,255,255,0.85); font-size: 15px;
  border-radius: 4px; transition: all .2s;
}
.nav-link:hover, .nav-link.active { color: #fff; background: rgba(255,255,255,0.12); }
.menu-toggle {
  display: none; background: none; border: none; color: #fff; font-size: 24px; cursor: pointer;
}

/* ===================== Hero 轮播 ===================== */
.hero { position: relative; height: 620px; overflow: hidden; margin-top: 68px; }
.hero-slides { width: 100%; height: 100%; position: relative; }
.hero-slide {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity .7s;
}
.hero-slide.active { opacity: 1; }
.hero-content { text-align: center; color: #fff; padding: 0 20px; }
.hero-tag {
  display: inline-block; background: rgba(255,255,255,0.18); border: 1px solid rgba(255,255,255,0.35);
  padding: 4px 16px; border-radius: 20px; font-size: 13px; letter-spacing: 2px; margin-bottom: 20px;
}
.hero-content h1 { font-size: 52px; font-weight: 900; margin-bottom: 20px; text-shadow: 0 2px 12px rgba(0,0,0,0.25); }
.hero-content p { font-size: 18px; opacity: 0.9; margin-bottom: 36px; line-height: 1.8; }
.hero-dots { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; }
.dot {
  width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.4);
  cursor: pointer; transition: all .25s;
}
.dot.active { background: #fff; transform: scale(1.3); }
.hero-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: rgba(255,255,255,0.15); border: none; color: #fff; font-size: 22px;
  width: 48px; height: 48px; border-radius: 50%; cursor: pointer; transition: background .2s;
}
.hero-arrow:hover { background: rgba(255,255,255,0.3); }
.hero-arrow.left { left: 24px; }
.hero-arrow.right { right: 24px; }

/* ===================== Stats Bar ===================== */
.stats-bar { background: #0a2d5e; padding: 32px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.stat-item {
  text-align: center; padding: 16px; border-right: 1px solid rgba(255,255,255,0.1);
}
.stat-item:last-child { border-right: none; }
.stat-num { font-size: 42px; font-weight: 900; color: #ffd600; }
.stat-unit { font-size: 18px; color: #ffd600; font-weight: 700; }
.stat-label { display: block; font-size: 13px; color: rgba(255,255,255,0.7); margin-top: 4px; }

/* ===================== 业务板块 ===================== */
.business-section { background: #f7f9fc; }
.business-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.biz-card {
  background: #fff; border-radius: 12px; padding: 32px 28px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.06); transition: transform .25s, box-shadow .25s;
}
.biz-card:hover { transform: translateY(-6px); box-shadow: 0 8px 32px rgba(21,101,192,0.12); }
.biz-icon {
  width: 68px; height: 68px; border-radius: 16px; display: flex;
  align-items: center; justify-content: center; margin-bottom: 20px;
}
.biz-card h3 { font-size: 20px; margin-bottom: 12px; color: #111; }
.biz-card p { font-size: 14px; color: #555; line-height: 1.8; }
.biz-more { display: inline-block; margin-top: 16px; color: #1565c0; font-size: 14px; font-weight: 600; transition: gap .2s; }
.biz-more:hover { text-decoration: underline; }

/* ===================== 新闻板块 ===================== */
.news-section { background: #fff; }
.news-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.news-featured { border-radius: 12px; overflow: hidden; box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
.news-featured-img { height: 200px; display: flex; align-items: center; justify-content: center; }
.news-featured-content { padding: 28px; }
.news-cat {
  display: inline-block; background: #e3f2fd; color: #1565c0; font-size: 12px;
  padding: 2px 10px; border-radius: 12px; margin-bottom: 10px;
}
.news-featured-content h3 { font-size: 18px; line-height: 1.6; margin-bottom: 12px; color: #111; }
.news-featured-content p { font-size: 14px; color: #666; line-height: 1.8; }
.news-date { font-size: 13px; color: #999; margin-top: 12px; display: block; }
.news-list { display: flex; flex-direction: column; gap: 0; }
.news-item {
  padding: 18px 0; border-bottom: 1px solid #f0f0f0; cursor: pointer; transition: background .2s;
}
.news-item:first-child { padding-top: 0; }
.news-item:last-child { border-bottom: none; }
.news-item:hover .news-item-title { color: #1565c0; }
.news-item-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.news-item-cat { font-size: 11px; color: #1565c0; background: #e3f2fd; padding: 1px 8px; border-radius: 10px; }
.news-item-date { font-size: 12px; color: #999; }
.news-item-title { font-size: 15px; color: #222; line-height: 1.6; font-weight: 500; transition: color .2s; }
.news-item-desc { font-size: 13px; color: #888; margin-top: 4px; line-height: 1.6; }

/* ===================== 荣誉 ===================== */
.honor-section { background: #f7f9fc; }
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.honor-item {
  background: #fff; border-radius: 12px; padding: 32px 20px; text-align: center;
  box-shadow: 0 2px 12px rgba(0,0,0,0.05); transition: transform .25s;
}
.honor-item:hover { transform: translateY(-4px); }
.honor-icon { font-size: 40px; margin-bottom: 16px; }
.honor-item p { font-size: 14px; color: #444; line-height: 1.6; }

/* ===================== Contact Strip ===================== */
.contact-strip { background: linear-gradient(135deg, #1565c0, #0d47a1); padding: 60px 0; }
.contact-strip-inner { display: flex; align-items: center; justify-content: space-between; }
.contact-strip-text h2 { font-size: 28px; color: #fff; margin-bottom: 8px; }
.contact-strip-text p { font-size: 15px; color: rgba(255,255,255,0.8); }

/* ===================== Footer ===================== */
.footer { background: #0a1929; color: rgba(255,255,255,0.7); padding: 60px 0 0; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; padding-bottom: 40px; }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-logo .logo-cn { font-size: 15px; }
.footer-desc { font-size: 13px; line-height: 1.8; color: rgba(255,255,255,0.55); }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 16px; padding-bottom: 8px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 13px; color: rgba(255,255,255,0.55); transition: color .2s; }
.footer-col ul li a:hover { color: #ffd600; }
.footer-contact li { font-size: 13px; color: rgba(255,255,255,0.55); margin-bottom: 8px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; text-align: center; }
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.35); }

/* ===================== About 页 ===================== */
.page-banner {
  height: 280px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #0a2d5e 0%, #1565c0 100%);
  margin-top: 68px; text-align: center;
}
.page-banner h1 { font-size: 40px; color: #fff; font-weight: 900; }
.page-banner p { color: rgba(255,255,255,0.75); font-size: 16px; margin-top: 10px; }
.breadcrumb { font-size: 13px; color: rgba(255,255,255,0.6); margin-bottom: 16px; }
.breadcrumb a { color: rgba(255,255,255,0.6); }

.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-intro-img {
  border-radius: 16px; overflow: hidden; height: 380px;
  background: linear-gradient(135deg, #e3f2fd, #bbdefb);
  display: flex; align-items: center; justify-content: center; font-size: 80px;
}
.about-intro-text h2 { font-size: 28px; color: #111; margin-bottom: 20px; }
.about-intro-text p { font-size: 15px; color: #555; line-height: 2; margin-bottom: 16px; }
.about-tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.about-tag {
  background: #e3f2fd; color: #1565c0; padding: 6px 16px;
  border-radius: 20px; font-size: 13px; font-weight: 600;
}

.timeline { position: relative; padding-left: 40px; }
.timeline::before { content: ''; position: absolute; left: 14px; top: 0; bottom: 0; width: 2px; background: #e3f2fd; }
.timeline-item { position: relative; margin-bottom: 32px; }
.timeline-dot {
  position: absolute; left: -33px; top: 4px; width: 14px; height: 14px;
  background: #1565c0; border-radius: 50%; border: 3px solid #e3f2fd;
}
.timeline-year { font-size: 13px; color: #1565c0; font-weight: 700; margin-bottom: 4px; }
.timeline-content h4 { font-size: 15px; color: #222; font-weight: 600; }
.timeline-content p { font-size: 13px; color: #666; margin-top: 4px; line-height: 1.7; }

/* ===================== Business 页 ===================== */
.biz-detail-section { padding: 80px 0; }
.biz-detail-section:nth-child(even) { background: #f7f9fc; }
.biz-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.biz-detail.reverse { direction: rtl; }
.biz-detail.reverse > * { direction: ltr; }
.biz-detail-img {
  border-radius: 16px; height: 320px; display: flex; align-items: center; justify-content: center;
  font-size: 80px;
}
.biz-detail-text h2 { font-size: 26px; color: #111; margin-bottom: 16px; }
.biz-detail-text h2 span { color: #1565c0; }
.biz-detail-text p { font-size: 15px; color: #555; line-height: 2; margin-bottom: 16px; }
.biz-kpi-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.biz-kpi { background: #f0f7ff; border-left: 3px solid #1565c0; padding: 12px 16px; border-radius: 0 8px 8px 0; }
.biz-kpi .kv { font-size: 22px; font-weight: 900; color: #1565c0; }
.biz-kpi .kl { font-size: 12px; color: #666; }

/* ===================== News 页 ===================== */
.news-page-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; }
.news-cards { display: flex; flex-direction: column; gap: 24px; }
.news-card {
  display: flex; gap: 20px; padding: 24px; background: #fff;
  border-radius: 12px; box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: transform .25s, box-shadow .25s; cursor: pointer;
}
.news-card:hover { transform: translateY(-3px); box-shadow: 0 6px 24px rgba(21,101,192,0.1); }
.news-card-date-box {
  width: 60px; flex-shrink: 0; text-align: center; background: #e3f2fd;
  border-radius: 8px; padding: 10px 6px; display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.news-card-day { font-size: 26px; font-weight: 900; color: #1565c0; line-height: 1; }
.news-card-month { font-size: 12px; color: #1565c0; }
.news-card-body { flex: 1; }
.news-card-cat { font-size: 11px; color: #1565c0; background: #e3f2fd; padding: 1px 8px; border-radius: 10px; }
.news-card-title { font-size: 16px; font-weight: 600; color: #111; margin: 8px 0 8px; line-height: 1.5; }
.news-card-desc { font-size: 13px; color: #888; line-height: 1.7; }
.news-sidebar-box { background: #f7f9fc; border-radius: 12px; padding: 24px; margin-bottom: 24px; }
.news-sidebar-box h4 { font-size: 15px; color: #111; margin-bottom: 16px; padding-bottom: 8px; border-bottom: 2px solid #1565c0; }
.sidebar-news-item { padding: 10px 0; border-bottom: 1px solid #eee; cursor: pointer; }
.sidebar-news-item:last-child { border-bottom: none; }
.sidebar-news-item p { font-size: 13px; color: #444; line-height: 1.6; transition: color .2s; }
.sidebar-news-item:hover p { color: #1565c0; }
.sidebar-news-item span { font-size: 12px; color: #999; }

/* ===================== Contact 页 ===================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info-list { margin-top: 24px; }
.contact-info-item { display: flex; gap: 16px; margin-bottom: 28px; }
.contact-info-icon {
  width: 48px; height: 48px; border-radius: 12px; background: #e3f2fd;
  display: flex; align-items: center; justify-content: center; font-size: 22px; flex-shrink: 0;
}
.contact-info-text h4 { font-size: 14px; color: #888; margin-bottom: 4px; }
.contact-info-text p { font-size: 15px; color: #222; font-weight: 500; }
.contact-form { background: #f7f9fc; border-radius: 16px; padding: 36px; }
.contact-form h3 { font-size: 22px; color: #111; margin-bottom: 24px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; color: #555; margin-bottom: 6px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 14px; border: 1.5px solid #e0e0e0; border-radius: 8px;
  font-size: 14px; font-family: inherit; transition: border .2s; background: #fff;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: #1565c0;
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-submit-btn {
  width: 100%; padding: 14px; background: #1565c0; color: #fff; border: none;
  border-radius: 8px; font-size: 16px; cursor: pointer; transition: background .25s;
}
.form-submit-btn:hover { background: #0d47a1; }
.form-success { background: #e8f5e9; color: #2e7d32; padding: 12px 16px; border-radius: 8px; font-size: 14px; margin-top: 12px; display: none; }

/* ===================== 管理后台 ===================== */
.admin-body { background: #f0f2f5; min-height: 100vh; display: flex; flex-direction: column; }
.admin-header {
  background: #0a2d5e; color: #fff; height: 56px;
  display: flex; align-items: center; justify-content: space-between; padding: 0 24px;
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
}
.admin-header-left { display: flex; align-items: center; gap: 12px; }
.admin-logo-text { font-size: 16px; font-weight: 700; }
.admin-header-right { display: flex; align-items: center; gap: 16px; }
.admin-user { font-size: 14px; color: rgba(255,255,255,0.8); }
.admin-logout { font-size: 13px; color: rgba(255,255,255,0.6); cursor: pointer; transition: color .2s; }
.admin-logout:hover { color: #ffd600; }
.admin-layout { display: flex; margin-top: 56px; min-height: calc(100vh - 56px); }
.admin-sidebar {
  width: 220px; background: #001a3a; flex-shrink: 0;
  position: fixed; top: 56px; bottom: 0; left: 0; overflow-y: auto;
}
.sidebar-menu { padding: 16px 0; }
.sidebar-group-title { font-size: 11px; color: rgba(255,255,255,0.35); letter-spacing: 2px; padding: 12px 20px 4px; }
.sidebar-item {
  display: flex; align-items: center; gap: 10px; padding: 11px 20px;
  color: rgba(255,255,255,0.65); font-size: 14px; cursor: pointer; transition: all .2s;
}
.sidebar-item:hover, .sidebar-item.active { background: rgba(255,255,255,0.08); color: #fff; }
.sidebar-item.active { border-left: 3px solid #ffd600; }
.sidebar-icon { font-size: 16px; }
.admin-main { margin-left: 220px; padding: 28px; flex: 1; }
.admin-page { display: none; }
.admin-page.active { display: block; }
.page-heading { font-size: 22px; font-weight: 700; color: #111; margin-bottom: 24px; }
.admin-card {
  background: #fff; border-radius: 12px; padding: 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06); margin-bottom: 24px;
}
.admin-card h3 { font-size: 16px; color: #111; margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid #f0f0f0; }
.dashboard-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 28px; }
.dashboard-stat {
  background: #fff; border-radius: 12px; padding: 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06); text-align: center;
}
.dashboard-stat .ds-num { font-size: 36px; font-weight: 900; color: #1565c0; }
.dashboard-stat .ds-label { font-size: 13px; color: #888; margin-top: 4px; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th { background: #f7f9fc; padding: 12px 14px; text-align: left; font-size: 13px; color: #666; font-weight: 600; border-bottom: 2px solid #e8ecf0; }
.data-table td { padding: 12px 14px; font-size: 14px; color: #333; border-bottom: 1px solid #f0f0f0; vertical-align: middle; }
.data-table tr:hover td { background: #fafcff; }
.tag { display: inline-block; padding: 2px 10px; border-radius: 12px; font-size: 12px; font-weight: 600; }
.tag-blue { background: #e3f2fd; color: #1565c0; }
.tag-green { background: #e8f5e9; color: #2e7d32; }
.tag-orange { background: #fff3e0; color: #e65100; }
.tag-gray { background: #f5f5f5; color: #757575; }
.action-btn {
  padding: 4px 12px; border-radius: 4px; font-size: 12px; cursor: pointer;
  border: 1px solid; transition: all .2s; background: transparent; margin-right: 4px;
}
.action-btn.edit { color: #1565c0; border-color: #1565c0; }
.action-btn.edit:hover { background: #1565c0; color: #fff; }
.action-btn.del { color: #c62828; border-color: #c62828; }
.action-btn.del:hover { background: #c62828; color: #fff; }
.add-btn {
  background: #1565c0; color: #fff; border: none; padding: 9px 20px;
  border-radius: 6px; font-size: 14px; cursor: pointer; transition: background .2s;
}
.add-btn:hover { background: #0d47a1; }

/* 模态框 */
.modal-overlay {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  z-index: 999; align-items: center; justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
  background: #fff; border-radius: 12px; width: 560px; max-width: 95vw; max-height: 85vh;
  overflow-y: auto; padding: 32px; box-shadow: 0 8px 40px rgba(0,0,0,0.2);
}
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.modal-title { font-size: 18px; font-weight: 700; color: #111; }
.modal-close { background: none; border: none; font-size: 22px; cursor: pointer; color: #888; }

/* ===================== 登录页 ===================== */
.login-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #0a2d5e, #1565c0);
}
.login-box { background: #fff; border-radius: 16px; padding: 48px 40px; width: 400px; box-shadow: 0 8px 40px rgba(0,0,0,0.25); }
.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo .logo-icon { width: 56px; height: 56px; font-size: 20px; margin: 0 auto 12px; }
.login-logo h2 { font-size: 20px; color: #0a2d5e; font-weight: 900; }
.login-logo p { font-size: 13px; color: #999; }
.login-error { background: #ffebee; color: #c62828; padding: 10px 14px; border-radius: 6px; font-size: 13px; margin-bottom: 16px; display: none; }

/* ===================== 响应式 ===================== */
@media (max-width: 900px) {
  .business-grid { grid-template-columns: repeat(2, 1fr); }
  .honor-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .news-layout { grid-template-columns: 1fr; }
  .about-intro { grid-template-columns: 1fr; }
  .biz-detail { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .news-page-grid { grid-template-columns: 1fr; }
  .dashboard-stats { grid-template-columns: repeat(2, 1fr); }
  .admin-sidebar { width: 180px; }
  .admin-main { margin-left: 180px; }
}
@media (max-width: 600px) {
  .hero-content h1 { font-size: 32px; }
  .hero { height: 480px; }
  .business-grid { grid-template-columns: 1fr; }
  .honor-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; }
  .contact-strip-inner { flex-direction: column; gap: 20px; text-align: center; }
  .nav { display: none; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: #0a2d5e; padding: 16px; }
  .nav.open { display: flex; }
  .menu-toggle { display: block; }
  .admin-sidebar { display: none; }
  .admin-main { margin-left: 0; }
  .dashboard-stats { grid-template-columns: repeat(2, 1fr); }
  .news-detail-title { font-size: 22px; }
}

/* ===================== 新闻详情页 ===================== */
.news-detail-box { max-width: 860px; margin: 0 auto; }
.back-link { display: inline-block; color: #1565c0; font-size: 14px; text-decoration: none; margin-bottom: 18px; }
.back-link:hover { text-decoration: underline; }
.news-detail-title { font-size: 26px; line-height: 1.45; color: #111; margin: 0 0 14px; font-weight: 700; }
.news-detail-meta { color: #888; font-size: 13px; margin-bottom: 22px; display: flex; gap: 14px; align-items: center; }
.news-detail-img { width: 100%; max-height: 480px; object-fit: cover; border-radius: 12px; margin-bottom: 24px; display: none; }
.news-detail-content { font-size: 15px; line-height: 1.95; color: #333; }

/* 新闻卡片链接（列表项整体可点击） */
.news-card-link { display: block; text-decoration: none; color: inherit; }
.news-card-link:hover .news-card { box-shadow: 0 6px 24px rgba(21,101,192,0.12); transform: translateY(-3px); }

/* 后台封面缩略图 */
.news-thumb { width: 60px; height: 40px; object-fit: cover; border-radius: 4px; display: block; }