/* nav.css - 导航+面包屑+分页（全局加载） */

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

.header-top {
  background-color: var(--dark-bg);
  padding: 8px 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
}

.header-top-left {
  float: left;
}

.header-top-right {
  float: right;
}

.header-top a {
  color: rgba(255, 255, 255, 0.7);
  margin-left: 20px;
}

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

/* 主导航 */
.header-main {
  padding: 15px 0;
}

.header-main .container {
  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;
}

.logo {
  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;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background-color: var(--secondary);
  border-radius: 6px;
  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;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  color: var(--primary);
  font-size: 20px;
  font-weight: bold;
  margin-right: 12px;
}

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

.logo-text h1 {
  font-size: 18px;
  color: var(--text-white);
  margin-bottom: 2px;
  font-weight: 600;
}

.logo-text p {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0;
}

/* 导航菜单 */
.nav-menu {
  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;
}

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

.nav-menu > li > a {
  color: rgba(255, 255, 255, 0.9);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 0;
  display: block;
  position: relative;
}

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

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

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

.nav-menu > li.active > a {
  color: var(--secondary);
}

/* 下拉菜单 */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #fff;
  border-radius: 6px;
  box-shadow: 0 4px 20px rgba(47, 27, 61, 0.15);
  min-width: 180px;
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  z-index: 1001;
}

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

.dropdown-menu li a {
  display: block;
  padding: 10px 20px;
  color: var(--text-dark);
  font-size: 14px;
  transition: var(--transition);
}

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

/* 导航下拉箭头 */
.nav-menu > li > a .arrow {
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid rgba(255, 255, 255, 0.6);
  margin-left: 5px;
  vertical-align: middle;
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
  display: none;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  cursor: pointer;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
}

.mobile-menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--text-white);
  margin: 3px 0;
  transition: var(--transition);
}

/* ===== Footer ===== */
.footer {
  background-color: var(--dark-bg);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 0;
}

.footer-main {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  margin: 0 -15px;
}

.footer-col {
  -webkit-box-flex: 1;
  -webkit-flex: 1;
  -ms-flex: 1;
  flex: 1;
  padding: 0 15px;
  min-width: 250px;
  margin-bottom: 30px;
}

.footer-col h3 {
  color: var(--text-white);
  font-size: 18px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--secondary);
  display: inline-block;
}

.footer-col p,
.footer-col li {
  font-size: 14px;
  line-height: 2;
  color: rgba(255, 255, 255, 0.7);
}

.footer-col li a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-col li a:hover {
  color: var(--secondary);
}

.footer-contact li {
  padding-left: 25px;
  position: relative;
}

.footer-contact li .icon {
  position: absolute;
  left: 0;
  top: 8px;
  color: var(--secondary);
  font-size: 14px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  margin-top: 20px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}

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

/* ===== 响应式导航 ===== */
@media (max-width: 991px) {
  .mobile-menu-toggle {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--primary);
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    padding: 10px 0;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  }

  .nav-menu.show {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
  }

  .nav-menu > li {
    margin: 0;
    width: 100%;
  }

  .nav-menu > li > a {
    padding: 12px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

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

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 0;
    display: none;
  }

  .nav-menu > li.dropdown-open .dropdown-menu {
    display: block;
  }

  .dropdown-menu li a {
    color: rgba(255, 255, 255, 0.8);
    padding-left: 35px;
  }

  .dropdown-menu li a:hover {
    background-color: rgba(0, 0, 0, 0.2);
    color: var(--secondary);
  }

  .header-main {
    position: relative;
  }
}

@media (max-width: 767px) {
  .logo-text h1 {
    font-size: 15px;
  }

  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }

  .footer-col {
    min-width: 100%;
  }
}