@charset "utf-8";
/* ============ 全局重置 ============ */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #333;
  line-height: 1.7;
  background: #f7f9fc;
  font-size: 15px;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { font-weight: 600; line-height: 1.4; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

//* ============ 顶部信息条 ============ */
.topbar {
  background: #1a3a5c;
  color: #d0dce8;
  font-size: 13px;
  padding: 8px 0;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* ============ 头部导航（8栏目优化版） ============ */
.site-header {
  background: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  gap: 16px;
}

/* 品牌区：logo 40px，只留主标题 */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand img {
  height: 40px;
  width: auto;
}
.brand-text h1 {
  font-size: 16px;
  color: #1a3a5c;
  font-weight: 700;
  letter-spacing: 0.5px;
  white-space: nowrap;
  margin: 0;
}
.brand-text p { display: none; }

/* 主导航：8 项，缩小间距与字号 */
.main-nav {
  display: flex;
  gap: 18px;
  flex-wrap: nowrap;
}
.main-nav a {
  font-size: 14px;
  color: #33475b;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  white-space: nowrap;
}
.main-nav a:hover,
.main-nav a.active {
  color: #1a73e8;
  border-bottom-color: #1a73e8;
}

/* 电话按钮 */
.header-cta {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.phone-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.3;
}
.phone-btn span {
  font-size: 11px;
  color: #7a8fa6;
}
.phone-btn strong {
  font-size: 16px;
  color: #e63946;
  font-weight: 700;
  white-space: nowrap;
}

/* 汉堡按钮（桌面隐藏，手机显示） */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 26px;
  color: #1a3a5c;
  cursor: pointer;
  padding: 4px 10px;
}

/* ============ 响应式 ============ */
@media (max-width: 1100px) {
  .main-nav { gap: 14px; }
  .main-nav a { font-size: 13px; }
  .brand-text h1 { font-size: 14px; }
}
@media (max-width: 900px) {
  .brand-text h1 { display: none; }
}
@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .header-inner { position: relative; }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    gap: 0;
    padding: 10px 0;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    border-top: 1px solid #eef2f7;
    z-index: 99;
  }
  .main-nav.open { display: flex; }
  .main-nav a {
    padding: 14px 24px;
    border-bottom: 1px solid #f0f4f9;
    border-left: none;
    font-size: 15px;
  }
  .main-nav a.active {
    background: #e8f0fe;
    color: #1a73e8;
  }
  .site-header { position: relative; }

  .header-cta .phone-btn {
    align-items: center;
    background: #fff5f5;
    padding: 6px 12px;
    border-radius: 8px;
  }
  .phone-btn strong { font-size: 15px; }
}

/* ============ 页面主标题区（内页通用） ============ */
.page-banner {
  background: linear-gradient(135deg, #1a3a5c 0%, #2c5f8d 100%);
  color: #fff;
  padding: 50px 0;
  text-align: center;
}
.page-banner h1 { font-size: 28px; margin-bottom: 8px; }
.page-banner p { color: #c8ddf0; font-size: 14px; }

/* ============ 面包屑 ============ */
.breadcrumb {
  background: #fff;
  border-bottom: 1px solid #eef2f7;
  padding: 12px 0;
  font-size: 13px;
  color: #7a8fa6;
}
.breadcrumb a { color: #5a6f85; }
.breadcrumb a:hover { color: #1a73e8; }
.breadcrumb span { margin: 0 8px; color: #c5d2e0; }

/* ============ 通用 Section ============ */
.section { padding: 60px 0; }
.section-title { text-align: center; margin-bottom: 40px; }
.section-title h2 { font-size: 26px; color: #1a3a5c; margin-bottom: 10px; }
.section-title p { color: #7a8fa6; font-size: 14px; }
.section-title h2::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background: #ff6b35;
  margin: 14px auto 0;
  border-radius: 2px;
}

/* ============ 底部 ============ */
.site-footer {
  background: #142c44;
  color: #a8bdd4;
  padding: 50px 0 20px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin-bottom: 30px;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-col p { margin-bottom: 8px; line-height: 1.8; }
.footer-col a { color: #a8bdd4; }
.footer-col a:hover { color: #4a9eff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 20px;
  text-align: center;
  font-size: 13px;
  color: #6a8aa8;
}

/* ============ 响应式 ============ */
@media (max-width: 768px) {
  .header-inner {
    justify-content: flex-start;   /* 从 center 改成 flex-start */
    gap: 12px;
    flex-wrap: nowrap;
  }
  .section { padding: 40px 0; }
}

/* 手机端汉堡按钮（桌面端隐藏） */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 26px;
  color: #1a3a5c;
  cursor: pointer;
  padding: 4px 10px;
}

/* 手机端导航展开 */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
    margin-left: auto;   /* 关键：把汉堡推到最右边 */
    flex-shrink: 0;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    gap: 0;
    padding: 10px 0;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    border-top: 1px solid #eef2f7;
    z-index: 99;
  }
  .main-nav.open { display: flex; }
  .main-nav a {
    padding: 14px 24px;
    border-bottom: 1px solid #f0f4f9;
    border-left: none;
    font-size: 15px;
  }
  .main-nav a.active {
    background: #e8f0fe;
    color: #1a73e8;
    border-bottom-color: #f0f4f9;
  }

  .site-header { position: relative; }
  .header-inner { position: relative; }
}

@media (max-width: 768px) {
  .header-cta .phone-btn {
    align-items: center;
    background: #fff5f5;
    padding: 6px 12px;
    border-radius: 8px;
  }
  .phone-btn strong { font-size: 15px; }
}
/* ============ 路线特色介绍（轮播图下方） ============ */
.route-intro-box {
  background: #fff;
  border-radius: 14px;
  padding: 26px 28px;
  margin-top: 22px;
  border-left: 4px solid #ff6b35;
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
}
.route-intro-box h3 {
  font-size: 18px;
  color: #1a3a5c;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed #eef2f7;
}
.route-intro-text {
  font-size: 14px;
  color: #5a6f85;
  line-height: 1.9;
}
.route-intro-text p { margin-bottom: 10px; }
.route-intro-text p:last-child { margin-bottom: 0; }

/* ============ 右侧路线特色结构化字段 ============ */
.feature-list li {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  font-size: 14px;
  color: #33475b;
  border-bottom: 1px dashed #e0e8f0;
}
.feature-list li:last-child { border-bottom: none; }
.feature-list li.feat-full {
  flex-direction: column;
  gap: 6px;
}
.feat-label {
  color: #7a8fa6;
  font-size: 13px;
  flex-shrink: 0;
}
.feat-value {
  color: #1a3a5c;
  font-weight: 600;
  text-align: right;
  line-height: 1.6;
}
.feat-value.price {
  color: #e63946;
  font-size: 15px;
}
.feat-full .feat-value {
  text-align: left;
  font-weight: 400;
  font-size: 13px;
  color: #5a6f85;
  line-height: 1.8;
}

/* ============ 响应式 ============ */
@media (max-width: 900px) {
  .route-intro-box { padding: 20px 18px; }
  .feature-list li { flex-direction: column; gap: 4px; }
  .feat-value { text-align: left; }
}