/* 头部引入图标库 */

/* 基础重置 仅作用当前头部 */
.college-top-header * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  list-style: none;
  text-decoration: none;
}
/* 外层头部容器 */
.college-top-header {
  width: 100%;
  background: #fff;
  padding: 16px 0;
}
/* 宽度容器 弹性布局分三区域 */
.page-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}
/* 移动端汉堡按钮 桌面隐藏 */
.mobile-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}
.mobile-hamburger b {
  width: 28px;
  height: 3px;
  background: #204020;
}

/* 左侧Logo组 */
.header-logo-group {
      display: flex;
    align-items: center;
    gap: 10px;
    width: 457px;
    height: 100%;
}
.header-logo-group img {
  height: 105px;
  display: block;
}

/* 中间导航+右侧搜索 横向并排 */
.nav-search-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
/* 中间导航菜单 */
.pc-nav-list {
  display: flex;
  align-items: center;
  gap: 10px;
}
.pc-nav-list > li > a {
  font-size: 16px;
  color: #223322;
}

.jz-lang-btn{
    border:1px solid #207820;
    color:#207820;
    padding:8px 14px;
    border-radius:4px;
    font-size:12px;
    text-decoration:none;
    white-space:nowrap;
}
.jz-lang-btn:hover{
    background:#207820;
    color:#ffffff;
}



/* 下拉子菜单 */
.nav-submenu {
  position: absolute;
  margin-top: 12px;
  background: #ffffff;
  border: 1px solid #eee;
  padding: 8px 0;
  display: none;
  z-index: 999;
  min-width: 140px;
}
.nav-submenu dd a {
  display: block;
  padding: 9px 20px;
  font-size: 17px;
  color: #333;
  white-space: nowrap;
}
.pc-nav-list li:hover .nav-submenu {
  display: block;
}

/* 右侧搜索框模块 */
.header-search-box {
  display: flex;
}
.header-search-box input {
      width: 170px;
    height: 33px;
    border: 1px solid #ccc;
    border-right: none;
    padding: 0 20px;
    font-size: 16px;
    border-radius: 6px 0 0 6px;
    outline: none;
}
.search-submit-btn {
 width: 44px;
    height: 33px;
    background: #52b73e;
    border: none;
    border-radius: 0 6px 6px 0;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
}
.search-submit-btn:hover {
  background: #44a233;
}

/* 移动端适配 */
@media (max-width:1300px) {
  .page-container {
    width: 96%;
  }
}
@media (max-width:992px) {
  .mobile-hamburger {
    display: flex;
    order: 3;
  }
  .nav-search-row {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    flex-direction: column;
    background: #fff;
    padding: 25px 20px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  }
  .pc-nav-list {
    flex-direction: column;
    gap: 22px;
    margin-bottom: 25px;
  }
  .header-logo-group img {
    height: 78px;
  }
}