/* ===== 基础重置 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: #333;
  background: #fff;
}
a { color: #c8102e; text-decoration: none; transition: color .2s; }
a:hover { color: #8B0000; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }

/* ===== 按钮 ===== */
.btn {
  display: inline-block;
  padding: 10px 24px;
  border: 2px solid #c8102e;
  background: #c8102e;
  color: #fff;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: all .2s;
  text-align: center;
  line-height: 1.5;
}
.btn:hover { background: #8B0000; border-color: #8B0000; color: #fff; }
.btn-light { background: rgba(255,255,255,0.9); color: #c8102e; border-color: #fff; }
.btn-light:hover { background: #fff; color: #8B0000; }
.btn-outline { background: transparent; color: #c8102e; }
.btn-outline:hover { background: #c8102e; color: #fff; }
.btn-primary { background: #c8102e; color: #fff; }
.btn-danger { background: #e74c3c; border-color: #e74c3c; }
.btn-danger:hover { background: #c0392b; border-color: #c0392b; }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-lg { padding: 14px 36px; font-size: 16px; }
.btn-block { display: block; width: 100%; }

/* ===== 顶部信息栏 ===== */
.top-bar {
  background: #1a1a2e;
  color: #ccc;
  font-size: 13px;
  padding: 6px 0;
}
.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.top-bar-right a {
  color: #ccc;
  margin-left: 16px;
}
.top-bar-right a:hover { color: #fff; }

/* ===== 导航栏 ===== */
.header {
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  max-width: 1200px;
  margin: 0 auto;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-img {
  height: 52px;
  width: auto;
  display: block;
}
.logo-text {
  display: flex;
  flex-direction: column;
}
.logo-name {
  font-size: 22px;
  font-weight: bold;
  color: #c8102e;
  line-height: 1.2;
}
.logo-slogan {
  font-size: 11px;
  color: #999;
  letter-spacing: 1px;
}
.nav {
  display: flex;
  gap: 8px;
}
.nav a {
  color: #333;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  border-radius: 4px;
  transition: all .2s;
}
.nav a:hover, .nav a.active {
  color: #c8102e;
  background: rgba(200,16,46,0.06);
}
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.mobile-menu-toggle span {
  width: 24px;
  height: 3px;
  background: #c8102e;
  border-radius: 2px;
}

/* ===== 轮播图 ===== */
.hero {
  position: relative;
  height: 480px;
  overflow: hidden;
}
.hero-slider { width: 100%; height: 100%; }
.hero-slide {
  position: absolute;
  width: 100%;
  height: 100%;
  display: none;
  align-items: center;
  opacity: 0;
  transition: opacity .8s;
}
.hero-slide.active { display: flex; opacity: 1; }
.hero-content { text-align: center; color: #fff; }
.hero-title {
  font-size: 48px;
  font-weight: bold;
  margin-bottom: 16px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.hero-subtitle {
  font-size: 22px;
  margin-bottom: 32px;
  opacity: 0.95;
  text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.hero-prev, .hero-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.2);
  border: none;
  color: #fff;
  font-size: 24px;
  padding: 16px 12px;
  cursor: pointer;
  border-radius: 4px;
  transition: background .2s;
}
.hero-prev:hover, .hero-next:hover { background: rgba(255,255,255,0.4); }
.hero-prev { left: 20px; }
.hero-next { right: 20px; }
.hero-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}
.hero-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: background .2s;
}
.hero-dot.active { background: #fff; }

/* ===== 数据统计 ===== */
.stats-section {
  background: #f8f8f8;
  padding: 48px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}
.stat-item {
  padding: 20px;
  border-right: 1px solid #e0e0e0;
}
.stat-item:last-child { border-right: none; }
.stat-number {
  font-size: 42px;
  font-weight: bold;
  color: #c8102e;
  margin-bottom: 8px;
}
.stats-section .stat-item .stat-number { color: #c8102e; }
.stat-label {
  font-size: 16px;
  color: #666;
}
.stats-section[style*="background"] .stat-number,
.stats-section[style*="linear-gradient"] .stat-number {
  color: #fff;
}
.stats-section[style*="background"] .stat-label,
.stats-section[style*="linear-gradient"] .stat-label {
  color: rgba(255,255,255,0.85);
}

/* ===== 区块标题 ===== */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-tag {
  display: inline-block;
  font-size: 13px;
  color: #c8102e;
  letter-spacing: 2px;
  margin-bottom: 8px;
  font-weight: 600;
}
.section-title {
  font-size: 32px;
  color: #333;
  margin-bottom: 12px;
}
.section-divider {
  width: 60px;
  height: 3px;
  background: #c8102e;
  margin: 0 auto;
  border-radius: 2px;
}

/* ===== 公司简介 ===== */
.about-section { padding: 70px 0; }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.about-lead {
  font-size: 20px;
  color: #c8102e;
  font-weight: bold;
  margin-bottom: 16px;
}
.about-text p { margin-bottom: 16px; color: #555; line-height: 1.9; }
.about-text .btn { margin-top: 16px; }
.about-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.about-card {
  background: #fff;
  padding: 28px 20px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.06);
  border-top: 3px solid #c8102e;
  transition: transform .2s;
}
.about-card:hover { transform: translateY(-4px); }
.about-card-icon { font-size: 36px; margin-bottom: 12px; }
.about-card h3 { font-size: 17px; margin-bottom: 8px; color: #333; }
.about-card p { font-size: 13px; color: #777; }

/* ===== 核心业务/服务 ===== */
.services-section { padding: 70px 0; background: #f8f8f8; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.service-item {
  background: #fff;
  padding: 36px 28px;
  border-radius: 10px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  transition: all .3s;
}
.service-item:hover { transform: translateY(-6px); box-shadow: 0 8px 25px rgba(200,16,46,0.12); }
.service-number {
  font-size: 60px;
  font-weight: bold;
  color: rgba(200,16,46,0.08);
  position: absolute;
  top: 10px;
  right: 20px;
  line-height: 1;
}
.service-item h3 { font-size: 20px; margin-bottom: 12px; color: #333; position: relative; }
.service-item p { color: #666; font-size: 14px; position: relative; }

/* ===== 课程区域 ===== */
.courses-section { padding: 70px 0; }
.courses-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.course-card {
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.06);
  transition: all .3s;
  display: flex;
  flex-direction: column;
}
.course-card:hover { transform: translateY(-4px); box-shadow: 0 8px 25px rgba(0,0,0,0.1); }
.course-card-top {
  height: 6px;
  background: linear-gradient(90deg, #c8102e, #ff6b6b);
}
.course-card-body { padding: 24px 20px; flex: 1; display: flex; flex-direction: column; }
.course-category-tag {
  display: inline-block;
  background: rgba(200,16,46,0.08);
  color: #c8102e;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 12px;
  margin-bottom: 10px;
  align-self: flex-start;
}
.course-card-title { font-size: 17px; margin-bottom: 10px; color: #333; line-height: 1.4; }
.course-card-desc { font-size: 13px; color: #777; margin-bottom: 16px; flex: 1; line-height: 1.6; }
.course-card-meta {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: #999;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.course-card-meta span { white-space: nowrap; }

/* ===== 教学基地 ===== */
.bases-section { padding: 70px 0; background: #f8f8f8; }
.bases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.base-card {
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.06);
  transition: all .3s;
  border-left: 4px solid #c8102e;
}
.base-card:hover { transform: translateY(-4px); box-shadow: 0 8px 25px rgba(0,0,0,0.1); }
.base-card-body { padding: 24px 20px; }
.base-category-tag {
  display: inline-block;
  background: rgba(200,16,46,0.08);
  color: #c8102e;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 12px;
  margin-bottom: 10px;
}
.base-card h3 { font-size: 17px; margin-bottom: 8px; color: #333; }
.base-location { font-size: 13px; color: #888; margin-bottom: 10px; }
.base-desc { font-size: 13px; color: #666; line-height: 1.6; }

/* ===== 新闻列表 ===== */
.news-section { padding: 70px 0; }
.news-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.news-item {
  display: flex;
  gap: 20px;
  background: #fff;
  padding: 24px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  transition: all .2s;
  color: #333;
  align-items: flex-start;
}
.news-item:hover { box-shadow: 0 6px 20px rgba(0,0,0,0.1); transform: translateY(-2px); color: #333; }
.news-date {
  flex-shrink: 0;
  width: 70px;
  text-align: center;
  border-right: 2px solid #f0f0f0;
  padding-right: 16px;
}
.news-day { font-size: 36px; font-weight: bold; color: #c8102e; line-height: 1; }
.news-month { font-size: 14px; color: #999; }
.news-info { flex: 1; }
.news-category {
  display: inline-block;
  font-size: 12px;
  color: #c8102e;
  background: rgba(200,16,46,0.06);
  padding: 2px 8px;
  border-radius: 3px;
  margin-bottom: 6px;
}
.news-title { font-size: 16px; margin-bottom: 8px; line-height: 1.4; }
.news-summary { font-size: 13px; color: #777; line-height: 1.6; }
.news-meta { margin-top: 8px; font-size: 12px; color: #aaa; display: flex; gap: 12px; }

/* ===== CTA ===== */
.cta-section { padding: 60px 0; }
.cta-box {
  background: linear-gradient(135deg, #8B0000 0%, #c8102e 100%);
  border-radius: 16px;
  padding: 60px;
  text-align: center;
  color: #fff;
}
.cta-box h2 { font-size: 32px; margin-bottom: 12px; }
.cta-box p { font-size: 16px; margin-bottom: 28px; opacity: 0.9; }

/* ===== 页面横幅 ===== */
.page-banner {
  padding: 60px 0;
  color: #fff;
  text-align: center;
}
.page-banner h1 { font-size: 36px; margin-bottom: 10px; }
.page-banner p { font-size: 16px; opacity: 0.9; }

/* ===== 通用内容区 ===== */
.content-section { padding: 60px 0; }
.content-section.bg-light { background: #f8f8f8; }
.bg-light { background: #f8f8f8; }

/* ===== 关于我们详情 ===== */
.about-detail { max-width: 900px; margin: 0 auto; }
.about-detail-text { text-align: center; }
.about-detail-text .lead { font-size: 22px; color: #c8102e; margin-bottom: 24px; font-weight: bold; }
.about-detail-text p { font-size: 16px; color: #555; margin-bottom: 18px; line-height: 2; text-align: justify; }

/* ===== 旗下企业 ===== */
.subsidiary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.subsidiary-card {
  background: #fff;
  padding: 36px 28px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.06);
  border-bottom: 3px solid #c8102e;
  transition: transform .2s;
}
.subsidiary-card:hover { transform: translateY(-4px); }
.subsidiary-icon { font-size: 40px; margin-bottom: 16px; }
.subsidiary-card h3 { font-size: 18px; margin-bottom: 12px; color: #333; }
.subsidiary-card p { font-size: 14px; color: #777; line-height: 1.7; }

/* ===== 核心业务网格 ===== */
.core-business-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}
.core-business-item {
  display: flex;
  gap: 24px;
  background: #fff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  transition: all .2s;
}
.core-business-item:hover { box-shadow: 0 8px 25px rgba(0,0,0,0.08); }
.cb-number { font-size: 48px; font-weight: bold; color: rgba(200,16,46,0.12); line-height: 1; }
.core-business-item h3 { font-size: 20px; margin-bottom: 10px; color: #333; }
.core-business-item p { font-size: 14px; color: #666; line-height: 1.7; }

/* ===== 主要业绩 ===== */
.achievement-list { max-width: 900px; margin: 0 auto; }
.achievement-item {
  display: flex;
  gap: 24px;
  background: #fff;
  padding: 28px;
  border-radius: 10px;
  margin-bottom: 20px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  transition: all .2s;
}
.achievement-item:hover { box-shadow: 0 6px 20px rgba(0,0,0,0.08); }
.achievement-icon { font-size: 36px; flex-shrink: 0; }
.achievement-content h3 { font-size: 18px; margin-bottom: 8px; color: #333; }
.achievement-content p { font-size: 14px; color: #666; line-height: 1.7; }

/* ===== 筛选栏 ===== */
.filter-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 36px;
  flex-wrap: wrap;
  justify-content: center;
}
.filter-tag {
  padding: 8px 20px;
  border: 1px solid #e0e0e0;
  border-radius: 20px;
  font-size: 14px;
  color: #666;
  transition: all .2s;
}
.filter-tag:hover, .filter-tag.active {
  background: #c8102e;
  color: #fff;
  border-color: #c8102e;
}

/* ===== 课程详情 ===== */
.course-detail-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
}
.course-detail-section { margin-bottom: 36px; }
.course-detail-section h2 {
  font-size: 22px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid #f0f0f0;
  color: #333;
}
.course-detail-section p { color: #555; line-height: 1.9; }
.teaching-methods {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.tm-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: #f8f8f8;
  border-radius: 8px;
  font-size: 14px;
}
.tm-item span { font-size: 20px; }
.related-courses { display: grid; gap: 16px; }
.related-course-card {
  display: block;
  padding: 20px;
  background: #f8f8f8;
  border-radius: 8px;
  transition: all .2s;
  color: #333;
}
.related-course-card:hover { background: #f0f0f0; color: #333; }
.related-course-card h4 { font-size: 15px; margin: 8px 0; }
.related-course-card p { font-size: 13px; color: #777; }

.sidebar-card {
  background: #fff;
  border-radius: 10px;
  padding: 24px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.06);
  margin-bottom: 24px;
}
.sidebar-card h3 { font-size: 18px; margin-bottom: 16px; padding-bottom: 10px; border-bottom: 2px solid #c8102e; }
.info-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid #f5f5f5;
  font-size: 14px;
}
.info-label { color: #999; }
.info-value { color: #333; font-weight: 500; }
.sidebar-cta p { font-size: 13px; color: #777; margin-bottom: 16px; }

/* ===== 表单 ===== */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 14px; color: #555; font-weight: 500; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  transition: border-color .2s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none;
  border-color: #c8102e;
}
.form-group input:disabled { background: #f5f5f5; color: #999; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.register-form .form-group { margin-bottom: 10px; }
.register-form input, .register-form textarea {
  padding: 8px 12px;
  font-size: 13px;
}
.register-msg { margin-top: 12px; padding: 10px; border-radius: 6px; font-size: 14px; }

/* ===== 联系我们 ===== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.contact-info-list { margin-top: 30px; }
.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 24px;
}
.ci-icon {
  width: 48px;
  height: 48px;
  background: rgba(200,16,46,0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.contact-info-item h4 { font-size: 15px; color: #999; margin-bottom: 4px; }
.contact-info-item p { font-size: 18px; color: #333; font-weight: 500; }
.wechat-qr-img {
  width: 120px;
  height: 120px;
  border-radius: 8px;
  border: 1px solid #eee;
  background: #fff;
  margin-top: 10px;
}
.footer-wechat-qr {
  width: 90px;
  height: 90px;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.1);
  background: #fff;
  margin-top: 12px;
}
.contact-form-wrap {
  background: #fff;
  padding: 36px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.contact-form-wrap h3 { font-size: 22px; margin-bottom: 24px; color: #333; }

/* ===== 提示框 ===== */
.alert {
  padding: 12px 18px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 14px;
}
.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-error { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }

/* ===== 认证页面 ===== */
.auth-section {
  padding: 60px 0;
  background: #f8f8f8;
  min-height: calc(100vh - 200px);
  display: flex;
  align-items: center;
}
.auth-card {
  max-width: 400px;
  margin: 0 auto;
  background: #fff;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}
.auth-card-wide { max-width: 600px; }
.auth-card h2 { text-align: center; margin-bottom: 28px; color: #333; }
.auth-form .form-group { margin-bottom: 18px; }
.auth-link {
  text-align: center;
  margin-top: 18px;
  font-size: 14px;
  color: #777;
}
.auth-link a { font-weight: 500; }

/* ===== 会员中心 ===== */
.member-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 30px;
}
.member-sidebar { position: sticky; top: 80px; align-self: start; }
.member-info-card {
  background: #fff;
  padding: 28px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.06);
  margin-bottom: 16px;
}
.member-avatar {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, #c8102e, #ff6b6b);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: bold;
  margin: 0 auto 14px;
}
.member-info-card h3 { font-size: 18px; color: #333; }
.member-info-card p { font-size: 13px; color: #999; }
.member-nav {
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.06);
}
.member-nav-link {
  display: block;
  padding: 14px 20px;
  color: #555;
  font-size: 15px;
  border-bottom: 1px solid #f5f5f5;
  transition: all .2s;
}
.member-nav-link:hover, .member-nav-link.active {
  background: rgba(200,16,46,0.06);
  color: #c8102e;
  padding-left: 24px;
}
.member-main {
  background: #fff;
  border-radius: 10px;
  padding: 32px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.06);
}
.member-tab { display: none; }
.member-tab.active { display: block; }
.member-tab h3 { font-size: 22px; margin-bottom: 24px; color: #333; }
.member-form { max-width: 600px; }

/* ===== 数据表格 ===== */
.table-wrap { overflow-x: auto; }
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.data-table th {
  background: #f8f8f8;
  padding: 12px 14px;
  text-align: left;
  font-weight: 600;
  color: #555;
  border-bottom: 2px solid #e0e0e0;
  white-space: nowrap;
}
.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid #f0f0f0;
  color: #555;
}
.data-table tr:hover td { background: #fafafa; }

/* ===== 状态标签 ===== */
.status-tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  white-space: nowrap;
}
.status-正常, .status-上架, .status-启用 { background: #d4edda; color: #155724; }
.status-禁用, .status-下架, .status-已取消 { background: #f8d7da; color: #721c24; }
.status-待审核 { background: #fff3cd; color: #856404; }
.status-已确认, .status-已回复 { background: #cce5ff; color: #004085; }
.status-已完成 { background: #d1ecf1; color: #0c5460; }
.status-待回复 { background: #fff3cd; color: #856404; }

/* ===== 分页 ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 36px;
}
.page-btn {
  padding: 8px 14px;
  border: 1px solid #ddd;
  border-radius: 4px;
  color: #555;
  font-size: 14px;
  transition: all .2s;
}
.page-btn:hover, .page-btn.active {
  background: #c8102e;
  color: #fff;
  border-color: #c8102e;
}

/* ===== 专家智库 ===== */
.experts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.expert-card {
  display: flex;
  gap: 20px;
  background: #fff;
  padding: 28px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.06);
  transition: all .2s;
}
.expert-card:hover { transform: translateY(-4px); box-shadow: 0 8px 25px rgba(0,0,0,0.1); }
.expert-avatar {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #c8102e, #ff6b6b);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: bold;
  flex-shrink: 0;
}
.expert-info h3 { font-size: 18px; margin-bottom: 4px; color: #333; }
.expert-title { font-size: 13px; color: #888; margin-bottom: 6px; }
.expert-expertise {
  display: inline-block;
  background: rgba(200,16,46,0.08);
  color: #c8102e;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 12px;
  margin-bottom: 8px;
}
.expert-bio { font-size: 13px; color: #666; line-height: 1.6; }

/* ===== 新闻详情 ===== */
.news-detail-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
}
.news-detail-header h1 { font-size: 28px; margin-bottom: 14px; color: #333; line-height: 1.4; }
.news-detail-meta {
  display: flex;
  gap: 20px;
  font-size: 13px;
  color: #999;
  padding-bottom: 16px;
  border-bottom: 1px solid #f0f0f0;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.news-detail-summary {
  font-size: 16px;
  color: #666;
  padding: 16px 20px;
  background: #f8f8f8;
  border-left: 4px solid #c8102e;
  margin-bottom: 24px;
  border-radius: 0 6px 6px 0;
  line-height: 1.8;
}
.rich-text { line-height: 2; color: #444; }
.rich-text p { margin-bottom: 18px; }
.related-news-list { display: grid; gap: 14px; }
.related-news-item {
  display: block;
  padding: 14px;
  background: #f8f8f8;
  border-radius: 8px;
  transition: all .2s;
  color: #333;
}
.related-news-item:hover { background: #f0f0f0; color: #333; }
.related-news-item h4 { font-size: 14px; margin-bottom: 4px; line-height: 1.4; }
.related-news-item span { font-size: 12px; color: #aaa; }

/* ===== 空状态 ===== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: #999;
}
.empty-state p { margin-bottom: 20px; font-size: 16px; }

/* ===== 错误页面 ===== */
.error-section { padding: 100px 0; text-align: center; }
.error-box { max-width: 500px; margin: 0 auto; }
.error-code { font-size: 100px; font-weight: bold; color: #c8102e; line-height: 1; }
.error-box h2 { font-size: 24px; color: #555; margin-bottom: 24px; }

/* ===== 页脚 ===== */
.footer {
  background: #1a1a2e;
  color: #bbb;
  padding: 50px 0 20px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 36px;
  margin-bottom: 30px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 16px;
}
.footer-col p { font-size: 13px; line-height: 1.8; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; font-size: 13px; }
.footer-col ul li a { color: #bbb; }
.footer-col ul li a:hover { color: #fff; }
.footer-bottom {
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: 13px;
}
.footer-bottom p { margin-bottom: 4px; }
.footer-bottom a { color: #bbb; }

/* ===== 管理后台 ===== */
.admin-body { background: #f0f2f5; }
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 240px;
  background: #1a1a2e;
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  overflow-y: auto;
}
.admin-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px;
  font-size: 18px;
  font-weight: bold;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.admin-logo-img {
  height: 32px;
  width: auto;
  background: #fff;
  padding: 4px 8px;
  border-radius: 4px;
  display: block;
}
.admin-nav { flex: 1; padding: 12px 0; }
.admin-nav a {
  display: block;
  padding: 12px 24px;
  color: #bbb;
  font-size: 14px;
  transition: all .2s;
}
.admin-nav a:hover, .admin-nav a.active {
  background: rgba(200,16,46,0.2);
  color: #fff;
  border-left: 3px solid #c8102e;
  padding-left: 21px;
}
.admin-sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.admin-sidebar-footer a {
  display: block;
  color: #888;
  font-size: 13px;
  padding: 6px 0;
}
.admin-main {
  flex: 1;
  margin-left: 240px;
  display: flex;
  flex-direction: column;
}
.admin-header {
  background: #fff;
  padding: 16px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.admin-header h1 { font-size: 22px; color: #333; }
.admin-user { font-size: 14px; color: #777; }
.admin-content { padding: 24px; flex: 1; }

/* 统计卡片 */
.stats-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: #fff;
  border-radius: 10px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.stat-card-icon { font-size: 32px; }
.stat-card-num { font-size: 28px; font-weight: bold; line-height: 1.2; }
.stat-card-label { font-size: 13px; color: #888; }
.stat-card-blue { border-left: 4px solid #3498db; }
.stat-card-blue .stat-card-num { color: #3498db; }
.stat-card-red { border-left: 4px solid #e74c3c; }
.stat-card-red .stat-card-num { color: #e74c3c; }
.stat-card-green { border-left: 4px solid #2ecc71; }
.stat-card-green .stat-card-num { color: #2ecc71; }
.stat-card-orange { border-left: 4px solid #f39c12; }
.stat-card-orange .stat-card-num { color: #f39c12; }
.stat-card-purple { border-left: 4px solid #9b59b6; }
.stat-card-purple .stat-card-num { color: #9b59b6; }
.stat-card-teal { border-left: 4px solid #1abc9c; }
.stat-card-teal .stat-card-num { color: #1abc9c; }
.stat-card-pink { border-left: 4px solid #e91e63; }
.stat-card-pink .stat-card-num { color: #e91e63; }
.stat-card-yellow { border-left: 4px solid #f1c40f; }
.stat-card-yellow .stat-card-num { color: #f1c40f; }

/* 管理面板 */
.admin-panel {
  background: #fff;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  margin-bottom: 20px;
}
.admin-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #f0f0f0;
}
.admin-panel-header h3 { font-size: 16px; color: #333; }
.admin-panel-header a { font-size: 13px; }

.admin-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.admin-col-6 { width: 100%; }

.admin-actions { margin-bottom: 20px; }

.admin-form { max-width: 100%; }
.admin-form .form-row { grid-template-columns: 1fr 1fr; }
.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

/* 设置区域 */
.settings-section {
  padding: 20px;
  background: #f8f8f8;
  border-radius: 8px;
  margin-bottom: 20px;
}
.settings-section h4 {
  font-size: 16px;
  color: #c8102e;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid #e0e0e0;
}

/* 弹窗 */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-content {
  background: #fff;
  border-radius: 10px;
  padding: 28px;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-large { max-width: 800px; }
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid #f0f0f0;
}
.modal-header h3 { font-size: 20px; color: #333; }
.modal-close {
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: #999;
  line-height: 1;
}
.modal-close:hover { color: #333; }

.status-select {
  padding: 4px 8px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 12px;
  margin-right: 4px;
}

/* 管理员登录页 */
.admin-login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  padding: 20px;
}
.admin-login-card {
  max-width: 400px;
  width: 100%;
  background: #fff;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.admin-login-logo {
  text-align: center;
  margin-bottom: 28px;
}
.admin-login-logo-img {
  height: 72px;
  width: auto;
  display: inline-block;
}
.admin-login-logo h2 { margin-top: 16px; color: #333; font-size: 22px; }
.admin-login-hint {
  text-align: center;
  margin-top: 20px;
  padding: 12px;
  background: #f8f8f8;
  border-radius: 6px;
  font-size: 13px;
  color: #888;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .courses-grid, .bases-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid, .experts-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-cards { grid-template-columns: repeat(2, 1fr); }
  .course-detail-layout, .news-detail-layout, .contact-layout, .member-layout {
    grid-template-columns: 1fr;
  }
  .member-sidebar { position: static; }
}
@media (max-width: 768px) {
  .nav { display: none; }
  .body.nav-open .nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    padding: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  }
  .mobile-menu-toggle { display: flex; }
  .hero { height: 320px; }
  .hero-title { font-size: 28px; }
  .hero-subtitle { font-size: 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { border-right: none; border-bottom: 1px solid #e0e0e0; padding-bottom: 16px; }
  .about-grid, .about-cards, .core-business-grid, .subsidiary-grid, .news-list, .admin-row {
    grid-template-columns: 1fr;
  }
  .courses-grid, .bases-grid, .services-grid, .experts-grid, .footer-grid, .stats-cards {
    grid-template-columns: 1fr;
  }
  .form-row { grid-template-columns: 1fr; }
  .section-title { font-size: 24px; }
  .teaching-methods { grid-template-columns: 1fr 1fr; }
  .admin-sidebar { width: 60px; }
  .admin-logo span, .admin-nav a span, .admin-sidebar-footer { display: none; }
  .admin-main { margin-left: 60px; }
  .top-bar-left { display: none; }
  .cta-box { padding: 36px 20px; }
  .cta-box h2 { font-size: 22px; }
  .logo-img { height: 42px; }
  .admin-logo { justify-content: center; padding: 16px 8px; }
  .admin-logo-img { height: 28px; }
}

/* ===== 科创港页面样式 ===== */
.section-desc {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
  color: #666;
  font-size: 15px;
  line-height: 1.8;
}

/* 科创港统计数据 */
.innovation-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 50px;
}
.innovation-stat-item {
  text-align: center;
  padding: 30px 16px;
  background: #f8f9fa;
  border-radius: 12px;
  border-top: 3px solid #0f3460;
  transition: transform .3s, box-shadow .3s;
}
.innovation-stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}
.innovation-stat-icon {
  font-size: 32px;
  margin-bottom: 10px;
}
.innovation-stat-num {
  font-size: 28px;
  font-weight: 700;
  color: #0f3460;
  margin-bottom: 4px;
}
.innovation-stat-label {
  font-size: 14px;
  color: #666;
}

/* AI数字员工服务卡片 */
.ai-services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ai-service-card {
  background: #fff;
  border-radius: 12px;
  padding: 32px 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  border: 1px solid #e8e8e8;
  transition: all .3s;
  position: relative;
  overflow: hidden;
}
.ai-service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #0f3460, #16213e);
}
.ai-service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.12);
  border-color: #0f3460;
}
.ai-service-icon {
  font-size: 40px;
  margin-bottom: 14px;
}
.ai-service-card h3 {
  font-size: 20px;
  color: #1a1a2e;
  margin-bottom: 6px;
}
.ai-service-tagline {
  font-size: 13px;
  color: #0f3460;
  font-weight: 600;
  margin-bottom: 16px;
}
.ai-service-features {
  list-style: none;
  margin-bottom: 18px;
}
.ai-service-features li {
  padding: 6px 0;
  font-size: 14px;
  color: #555;
  border-bottom: 1px dashed #eee;
  position: relative;
  padding-left: 20px;
}
.ai-service-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #0f3460;
  font-weight: bold;
}
.ai-service-features li:last-child { border-bottom: none; }
.ai-service-badge {
  display: inline-block;
  padding: 6px 14px;
  background: #f0f4ff;
  color: #0f3460;
  font-size: 12px;
  border-radius: 20px;
  font-weight: 500;
}

/* 三级孵化体系 */
.incubation-timeline {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}
.incubation-stage {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding: 28px 32px;
  background: #f8f9fa;
  border-radius: 12px;
  border-left: 4px solid #0f3460;
  transition: all .3s;
}
.incubation-stage:hover {
  background: #f0f4ff;
  transform: translateX(6px);
}
.incubation-stage-num {
  font-size: 36px;
  font-weight: 800;
  color: #0f3460;
  opacity: 0.3;
  line-height: 1;
  min-width: 60px;
}
.incubation-stage-content h3 {
  font-size: 20px;
  color: #1a1a2e;
  margin-bottom: 8px;
}
.incubation-stage-desc {
  color: #555;
  font-size: 14px;
  margin-bottom: 12px;
  line-height: 1.7;
}
.incubation-stage-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.incubation-stage-tags span {
  display: inline-block;
  padding: 4px 12px;
  background: #fff;
  border: 1px solid #0f3460;
  color: #0f3460;
  font-size: 12px;
  border-radius: 16px;
}

/* 服务流程 */
.process-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}
.process-step {
  text-align: center;
  width: 160px;
}
.process-step-circle {
  width: 56px;
  height: 56px;
  line-height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0f3460, #16213e);
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  margin: 0 auto 12px;
  box-shadow: 0 4px 12px rgba(15,52,96,0.3);
}
.process-step h3 {
  font-size: 15px;
  color: #1a1a2e;
  margin-bottom: 4px;
}
.process-step p {
  font-size: 12px;
  color: #888;
}
.process-arrow {
  font-size: 24px;
  color: #0f3460;
  font-weight: 300;
  margin: 0 4px;
}

/* 科教文旅融合 */
.fusion-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.fusion-card {
  background: #fff;
  border-radius: 12px;
  padding: 28px 20px;
  text-align: center;
  border: 1px solid #e8e8e8;
  transition: all .3s;
}
.fusion-card:hover {
  border-color: #0f3460;
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
  transform: translateY(-4px);
}
.fusion-icon {
  font-size: 36px;
  margin-bottom: 12px;
}
.fusion-card h3 {
  font-size: 17px;
  color: #1a1a2e;
  margin-bottom: 8px;
}
.fusion-card p {
  font-size: 13px;
  color: #666;
  line-height: 1.7;
}

/* 招孵企业方向 */
.target-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.target-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: #fff;
  border-radius: 10px;
  border: 1px solid #e8e8e8;
  transition: all .3s;
}
.target-item:hover {
  border-color: #0f3460;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}
.target-icon {
  font-size: 32px;
  min-width: 48px;
  text-align: center;
}
.target-item h3 {
  font-size: 16px;
  color: #1a1a2e;
  margin-bottom: 2px;
}
.target-item p {
  font-size: 13px;
  color: #888;
}

/* 首页科创港板块 */
.innovation-section {
  padding: 70px 0;
  background: linear-gradient(180deg, #f8f9fa 0%, #fff 100%);
}
.innovation-intro {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: center;
}
.innovation-intro-text {
  padding-right: 20px;
}
.innovation-lead {
  font-size: 20px;
  font-weight: 600;
  color: #0f3460;
  margin-bottom: 16px;
}
.innovation-intro-text p {
  color: #555;
  line-height: 1.8;
  margin-bottom: 20px;
}
.innovation-ai-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.innovation-ai-card {
  background: #fff;
  border-radius: 10px;
  padding: 20px 16px;
  text-align: center;
  border: 1px solid #e0e0e0;
  transition: all .3s;
}
.innovation-ai-card:hover {
  border-color: #0f3460;
  box-shadow: 0 6px 16px rgba(15,52,96,0.1);
  transform: translateY(-3px);
}
.innovation-ai-icon {
  font-size: 28px;
  margin-bottom: 8px;
}
.innovation-ai-card h4 {
  font-size: 15px;
  color: #1a1a2e;
  margin-bottom: 4px;
}
.innovation-ai-card p {
  font-size: 12px;
  color: #999;
  line-height: 1.5;
}

/* 响应式适配 */
@media (max-width: 768px) {
  .innovation-stats { grid-template-columns: 1fr 1fr; }
  .ai-services-grid { grid-template-columns: 1fr; }
  .fusion-grid { grid-template-columns: 1fr 1fr; }
  .target-grid { grid-template-columns: 1fr; }
  .innovation-intro { grid-template-columns: 1fr; }
  .innovation-ai-cards { grid-template-columns: 1fr 1fr; }
  .process-flow { flex-direction: column; }
  .process-arrow { transform: rotate(90deg); }
  .incubation-stage { flex-direction: column; gap: 8px; }
}