@charset "UTF-8";

/* ========================================
   nav.css - 导航+面包屑+分页（全局加载）
   太原市悦海网络科技有限公司
   www.ceelon.com
   ======================================== */

/* ---- 顶部导航 ---- */
.header {
  background-color: var(--primary);
  position: relative;
  z-index: 1000;
}

.header-inner {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
  -ms-flex-pack: justify;
  justify-content: space-between;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  height: 70px;
}

.logo {
  font-size: 22px;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 1px;
}

.logo a {
  color: var(--white);
}

.logo a:hover {
  color: var(--secondary);
}

/* ---- 主导航 ---- */
.main-nav {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
}

.main-nav > li {
  position: relative;
  margin-left: 35px;
}

.main-nav > li > a {
  display: block;
  color: var(--white);
  font-size: 14px;
  padding: 25px 0;
  position: relative;
}

.main-nav > li > a::after {
  content: "";
  position: absolute;
  bottom: 18px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--secondary);
  transition: width 0.3s ease;
}

.main-nav > li > a:hover::after,
.main-nav > li.active > a::after {
  width: 100%;
}

.main-nav > li > a:hover {
  color: var(--secondary);
}

/* ---- 下拉菜单 ---- */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 180px;
  background-color: var(--white);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border-radius: 4px;
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  z-index: 1001;
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li a {
  display: block;
  padding: 10px 20px;
  color: var(--text);
  font-size: 13px;
  transition: all 0.3s ease;
}

.dropdown-menu li a:hover {
  background-color: var(--bg);
  color: var(--primary);
}

/* ---- 移动端菜单按钮 ---- */
.menu-toggle {
  display: none;
  width: 30px;
  height: 24px;
  position: relative;
  cursor: pointer;
  background: none;
  border: none;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--white);
  position: absolute;
  left: 0;
  transition: all 0.3s ease;
}

.menu-toggle span:nth-child(1) {
  top: 0;
}

.menu-toggle span:nth-child(2) {
  top: 11px;
}

.menu-toggle span:nth-child(3) {
  bottom: 0;
}

.menu-toggle.active span:nth-child(1) {
  top: 11px;
  transform: rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  bottom: 11px;
  transform: rotate(-45deg);
}

/* ---- 面包屑导航 ---- */
.breadcrumb-wrap {
  background-color: var(--bg);
  border-bottom: 1px solid var(--border);
}

.breadcrumb {
  padding: 12px 0;
  font-size: 13px;
  color: var(--text-light);
}

.breadcrumb a {
  color: var(--text-light);
}

.breadcrumb a:hover {
  color: var(--primary);
}

.breadcrumb .sep {
  margin: 0 8px;
  color: #ccc;
}

.breadcrumb .current {
  color: var(--primary);
}

/* ---- 分页样式 ---- */
.pagination {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  margin-top: 40px;
  gap: 5px;
}

.pagination a,
.pagination span {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 13px;
  transition: all 0.3s ease;
}

.pagination a:hover {
  background-color: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.pagination .current {
  background-color: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.pagination .prev,
.pagination .next {
  padding: 8px 18px;
}

/* ---- 返回顶部 ---- */
.back-to-top {
  position: fixed;
  bottom: 40px;
  right: 40px;
  width: 44px;
  height: 44px;
  background-color: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  display: none;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  font-size: 18px;
  z-index: 999;
  transition: background-color 0.3s ease;
}

.back-to-top:hover {
  background-color: var(--secondary);
}

.back-to-top.show {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
}

/* ---- 响应式导航 ---- */
@media (max-width: 1024px) {
  .main-nav > li {
    margin-left: 20px;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: var(--primary);
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-align: start;
    -webkit-align-items: flex-start;
    -ms-flex-align: start;
    align-items: flex-start;
    padding: 20px;
    transition: left 0.3s ease;
    overflow-y: auto;
    z-index: 1000;
  }

  .main-nav.active {
    left: 0;
  }

  .main-nav > li {
    margin-left: 0;
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .main-nav > li > a {
    padding: 15px 0;
  }

  .main-nav > li > a::after {
    display: none;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background-color: rgba(0, 0, 0, 0.1);
    display: none;
    padding-left: 15px;
  }

  .dropdown.open .dropdown-menu {
    display: block;
  }

  .dropdown-menu li a {
    color: rgba(255, 255, 255, 0.8);
    padding: 10px 15px;
  }

  .dropdown-menu li a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
  }

  .back-to-top {
    right: 15px;
    bottom: 15px;
    width: 40px;
    height: 40px;
  }
}