.pheader {
  display: none;
}
.child_nav_toggle{
  display: none;
}
.pheader-drawer {
  display: none;
}

.pheader-tool {
  display: none;
}

.pheader-mask {
  display: none;
}

@media screen and (max-width: 768px) {
  body {
    overflow-x: hidden;
  }

  .w-1400 {
    padding: 0 15px;
    width: 100%;
    box-sizing: border-box;
  }

  .s01_tempel_list {
    overflow: unset;
  }

  .s01_tempel::before {
    display: none;
  }

  .header,
  .dh_bx {
    display: none;
  }

  .pheader-tool {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    background: #3d7dd5;
    z-index: 2000;
    padding: 10px 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .pheader-tool .pheader-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
  }

  .pheader-tool .pheader-logo img {
    height: 24px;
  }

  .pheader {
    position: relative;
    display: block;
    overflow: hidden;
  }

  .pheader .swiper-container img {
    width: 100%;
  }

  .pheader-open {
    width: 28px;
    height: 28px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
  }

  .pheader-open span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    border-radius: 1px;
    transition: all 0.3s ease;
  }

  .pheader-open.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .pheader-open.active span:nth-child(2) {
    opacity: 0;
  }

  .pheader-open.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .pheader-mask {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

  .pheader-mask.show {
    opacity: 1;
    visibility: visible;
  }

  .pheader-drawer {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 300px;
    max-width: 85vw;
    background: #fff;
    z-index: 2001;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
    display: block;
  }

  .pheader-drawer.show {
    transform: translateX(0);
  }

  .pheader-drawer .drawer-head {
    display: flex;
    align-items: center;
    padding: 15px;
    background: #3d7dd5;
  }

  .pheader-drawer .drawer-head .drawer-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
  }

  .pheader-drawer .drawer-head .drawer-logo img {
    height: 24px;
    flex-shrink: 0;
  }

  .pheader-drawer .drawer-menu {
    padding: 10px 0;
  }

  .pheader-drawer .drawer-menu .menu-level1 {
    display: flex;
    align-items: center;
    padding: 14px 15px;
    font-size: 16px;
    color: #333;
    cursor: pointer;
    border-bottom: 1px solid #f0f0f0;
  }

  .pheader-drawer .drawer-menu .menu-level1 .menu-text {
    flex: 1;
    color: #333;
    text-decoration: none;
  }

  .pheader-drawer .drawer-menu .menu-level1 .menu-arrow {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    transition: transform 0.3s ease;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23999' d='M8 5l8 7-8 7z'/%3E%3C/svg%3E") no-repeat center/contain;
  }

  .pheader-drawer .drawer-menu .menu-level1.expanded .menu-arrow {
    transform: rotate(90deg);
  }

  .pheader-drawer .drawer-menu .menu-level2-wrap {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: #f9f9f9;
  }

  .pheader-drawer .drawer-menu .menu-level2-wrap.open {
    max-height: 500px;
  }

  .pheader-drawer .drawer-menu .menu-level2-wrap .menu-level2 {
    display: block;
    padding: 12px 15px 12px 45px;
    font-size: 14px;
    color: #666;
    text-decoration: none;
    border-bottom: 1px solid #eee;
  }

  .pheader-drawer .drawer-menu .menu-level2-wrap .menu-level2:active {
    color: #3d7dd5;
    background: #f0f0f0;
  }

  .pheader-drawer .drawer-search {
    position: relative;
    margin: 12px 15px;
    border-radius: 20px;
    border: 1px solid #3d7dd5;
    overflow: hidden;
  }

  .pheader-drawer .drawer-search input[type=text] {
    display: block;
    background: transparent;
    width: 100%;
    outline: none;
    border: none;
    font-size: 14px;
    color: #333;
    padding: 10px 40px 10px 12px;
  }

  .pheader-drawer .drawer-search input[type=text]::placeholder {
    color: #999;
  }

  .pheader-drawer .drawer-search input[type=button] {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    outline: none;
    border: none;
    border-radius: 50%;
    color: transparent;
    font-size: 0;
    width: 30px;
    height: 30px;
    cursor: pointer;
    background: #3d7dd5 url(../images/search_btn.png) no-repeat center center/18px auto;
  }

  /* ===== Section01: 学工新闻 + 通知公告 ===== */
  .section01 {
    background: #fff;
    padding: 30px 0;
  }

  .section_tit a p {
    font-size: 22px;
    padding-left: 45px;
  }

  .section_tit a p::before {
    width: 35px;
    height: 35px;
    bottom: -4px;
  }

  .section_tit a span {
    font-size: 14px;
  }

  .s01_box {
    flex-direction: column;
    margin-top: 20px;
    padding-bottom: 30px;
  }

  .s01_boxL {
    width: 100%;
  }

  .s01_boxR {
    width: 100%;
    margin-top: 30px;
  }

  .s01_tempel {
    flex-direction: column;
    margin-top: 15px;
  }

  .s01_tempel_box {
    width: 100%;
    height: 260px;
  }

  .s01_img {
    height: 260px;
  }

  .s01_info {
    font-size: 15px;
    padding: 15px;
  }

  .s01_tempel_list {
    width: 100%;
    height: auto;
    margin-top: 15px;
  }

  .s01_temList {
    padding: 12px;
  }

  .s01_temList p {
    font-size: 14px;
  }

  .s01_temList span {
    font-size: 12px;
  }

  .s01_ul li {
    padding: 15px;
  }

  .s01_ul .s01_time1 {
    width: 70px;
    height: 35px;
  }

  .s01_ul .s01_time1 p {
    font-size: 13px;
  }

  .s01_ul .s01_time1 span {
    font-size: 10px;
  }

  .s01_ul .s01_time2 {
    width: 55px;
    height: 70px;
  }

  .s01_ul .s01_time2:before {
    width: 48px;
    height: 48px;
  }

  .s01_ul .s01_time2:after {
    width: 46px;
    height: 46px;
  }

  .s01_ul .s01_time2 p {
    font-size: 20px;
  }

  .s01_ul .s01_time2 span {
    font-size: 12px;
  }

  .s01_ul .s01_tit {
    font-size: 14px;
    width: 65%;
  }

  .s01_pagtion {
    bottom: 10px;
  }

  /* ===== Section02: 党务公开 + 学生活动 ===== */
  .section02 {
    padding: 30px 0;
  }

  .s02_box {
    flex-direction: column;
    margin-top: 25px;
    margin-bottom: 30px;
  }

  .s02_box:before {
    display: none;
  }

  .s02_boxL {
    width: 100%;
  }

  .s02_boxR {
    width: 100%;
    margin-top: 30px;
  }

  .s02_boxLlist {
    margin-top: 20px;
  }

  .s02_boxLlist ul li {
    padding: 18px 0;
  }

  .s02_info {
    width: auto;
    margin-right: 15px;
    font-size: 15px;
  }

  .s02_time {
    margin-left: 10px;
  }

  .s02_time::before {
    right: -25px;
    height: 45px;
    background-size: 100% 100%;
  }

  .s02_boxLlist ul li p {
    font-size: 24px;
  }

  .s02_boxRlist {
    flex-direction: column;
    margin-top: 20px;
  }

  .s02_boxR1 {
    width: 100%;
  }

  .s02_boxR1 ul li a {
    height: 200px;
  }

  .s02_boxR2 {
    width: 100%;
    margin-top: 15px;
  }

  .s02_boxR2 ul li {
    height: auto;
    min-height: 80px;
    padding: 15px;
  }

  .s02_boxR2 ul li a p {
    font-size: 15px;
  }

  /* ===== Section03: 教师风采 ===== */
  .section03 {
    padding: 30px 0;
  }

  .s03_swiper {
    margin-top: 20px;
    margin-bottom: 30px;
  }

  .s03_swiper a {
    width: 100%;
    height: auto;
    padding-top: 0;
  }

  .s03_swiper img {
    border-radius: 10px;
  }

  .s03_tit {
    font-size: 18px;
    width: 150px;
    height: 50px;
    padding-top: 12px;
  }

  .s03_tit:after {
    width: 170px;
    height: 50px;
    left: -14px;
    background-size: 100% 100%;
  }

  .s03_pagetion {
    margin-top: 20px;
  }

  /* ===== Footer ===== */
  .footer {
    background: #3d7dd5;
  }

  .f_box {
    flex-direction: column;
    padding: 25px 0;
  }

  .f_boxL {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
  }

  .f_logo img {
    max-width: 250px;
  }

  .yqlj {
    margin-left: 0;
    margin-top: 15px;
    width: 100%;
  }

  .f_boxR {
    width: 100%;
  }

  .f_boxR2 {
    width: 100%;
    margin-top: 15px;
    flex-direction: column;
    align-items: flex-start;
  }

  .f_box02_info p {
    font-size: 16px;
  }

  .f_box02_info span {
    font-size: 13px;
    margin-top: 6px;
  }

  .f_box2_evm {
    margin-top: 15px;
  }

  .bq {
    font-size: 12px;
    line-height: 30px;
  }
}