/* CSS Reset */
html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
  margin: 0;
  padding: 0;
  border: 0;
  /* font-size: 100%; */
  vertical-align: baseline;
  box-sizing: border-box;
  /* Ensure padding and borders are included in element sizes */
  text-decoration: none;
  color: inherit;
  font-family: 'PingFang SC', 'Microsoft YaHei', Helvetica, 'Helvetica Neue', 'Arial', Verdana,
    'sans-serif';
  line-height: 1;
}

/* HTML5 display-role reset for older browsers */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}

body {
  line-height: 1;
  min-width: 320px;
  min-height: 100vh;
  /* background-color: #fafafa; */
  background: #fafafa url('../images/bg-index-fixed.png') no-repeat center center fixed;
  background-size: cover;
}

a:hover {
  color: #AA1720;
}

ol,
ul {
  list-style: none;
}

blockquote,
q {
  quotes: none;
}

blockquote:before,
blockquote:after,
q:before,
q:after {
  content: '';
  content: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

:root,
page {
  --color-primary: #AA1720;
  --text-color: rgba(0, 0, 0, 0.88);
  --text-secondary: rgba(0, 0, 0, 0.65);
  --text-placeholder: rgba(0, 0, 0, 0.45);
  --text-white-secondary: rgba(255, 255, 255, 0.88);
}

::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
  color: transparent;
}

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

.container {
  max-width: 73vw;
  margin: 0 auto;
  padding: 0;
}

/* 公共-start */
.section {
  background-color: #fafafa;
  overflow: hidden;
}
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 1.5rem;
  padding-bottom: 0.8rem;
}

.section-title {
  font-size: 3.2rem;
  color: var(--text-color);
  font-weight: bold;
  position: relative;
}

.more-link {
  color: var(--text-placeholder);
  font-size: 1.6rem;
  display: flex;
  align-items: center;
}
.more-link-icon {
  width: 1.4rem;
  height: 1.4rem;
  margin-left: 0.4rem;
}
/* 公共-end */

/* 顶部导航栏 */
.top-nav {
  background-color: var(--color-primary);
  padding: 4rem 0;
}

.top-nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-area {
  display: flex;
  align-items: center;
}

.logo {
  height: 7.8rem;
}

.search-box {
  position: relative;
  width: 26rem;
  height: 4rem;
  border: 1px solid #fff;
  border-radius: 2rem;
}

.search-input {
  height: 4rem;
  padding: 0 1.2rem;
  border: none;
  outline: none;
  width: 20rem;
  background-color: transparent;
  font-size: 1.6rem;
  color: #fff;
}
.search-input::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

.search-btn {
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #999;
  cursor: pointer;
  width: 2.4rem;
  height: 2.4rem;
  padding: 0;
}
.search-btn img {
  width: 100%;
}
.option-mobile {
  display: none;
}

/* 主导航栏 */
.main-nav {
  padding: 0 0;
  background-color: var(--color-primary);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.main-nav .nav-list {
  display: flex;
  flex-wrap: wrap;
}

.nav-list .nav-item {
  position: relative;
}

.main-nav a {
  display: block;
  color: #fff;
  padding: 2rem 4rem;
  font-size: 2rem;
  color: rgba(255, 255, 255, 0.88);
  transition: background-color 0.3s;
}

.main-nav a:hover {
  background-color: #df0525;
  color: #fff;
}

.submenu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 100;
  width: 100%;
  height: auto;
  background: rgba(233, 5, 37, 0.5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease-out;
}
.nav-item:hover .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.main-nav-mobile {
  visibility: hidden;
  height: 0;
}

/* Swiper轮播样式 */
.swiper {
  width: 100%;
  height: auto;
  overflow: hidden;
}

.banner-swiper {
  height: 65rem;
}

.swiper-slide {
  position: relative;
  height: 100%;
}

.swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.swiper-pagination-bullet {
  background-color: transparent;
  border: 1px solid #fff;
  border-radius: 50%;
}
.swiper-pagination-bullet-active {
  border: none;
  background-color: #df0525 !important;
}

.swiper-button-prev,
.swiper-button-next {
  color: #fff !important;
  background: rgba(0, 0, 0, 0.3);
  width: 4rem !important;
  height: 4rem !important;
  border-radius: 50%;
}

.swiper-button-prev:after,
.swiper-button-next:after {
  font-size: 1.8rem !important;
}

/* 新闻动态和通知公告区域 - 新增左侧图片轮播布局 */
.section-1 {
  padding: 3rem 0 1.5rem;
}
.news-notice {
  display: flex;
  justify-content: space-between;
  margin-bottom: 3rem;
  gap: 2rem;
}

.news-container {
  flex: 2;
  /* 新闻区域宽度稍大 */
  min-width: 30rem;
}

.news-swiper {
  width: 100%;
  display: flex;
  justify-content: space-between;
}

.news-img-box {
  width: 52%;
  border-radius: 0.4rem;
  overflow: hidden;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.news-img-swiper {
  position: relative;
  height: 42rem;
}

.news-pagination {
  position: absolute;
  bottom: 8.8rem !important;
  right: 1rem !important;
  left: auto !important;
  z-index: 1;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
/* .swiper-pagination-bullet {
  background-color: yellow;
} */
.swiper-pagination-bullet-active {
  background-color: #fff !important;
}
.news-img-time {
  font-size: 2.4rem;
  font-weight: bold;
  margin-bottom: 1.5rem;
}
.news-img-swiper .slide-text {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 2rem;
}
.news-img-title {
  display: -webkit-box;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  font-size: 1.8rem;
  line-height: 1.5;
  min-height: 5rem;
}

.news-list-box {
  width: 48%;
  background-color: #fff;
}

.info-list {
  padding: 1.5rem;
}

.info-list li a {
  border-bottom: 1px solid rgba(0, 0, 0, .06);
  padding: 1.2rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.8rem;
  cursor: pointer;
}

.info-list li:last-child a {
  border-bottom: none;
}

.news-time {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-right: 1.5rem;
}
.news-time .time-date {
  font-size: 3.6rem;
  font-weight: bold;
  color: #FFB323;
  transition: color 0.3s;
}
.info-list li:hover .time-date {
  color: var(--color-primary);
}
.news-time .active {
  color: var(--color-primary);
}
.news-time .time-month {
  font-size: 1.4rem;
  color: var(--text-placeholder);
}

.info-list .date {
  color: #999;
  font-size: 1.4rem;
  margin-left: 1rem;
  white-space: nowrap;
}

.info-list .text {
  flex: 1;
  display: -webkit-box;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-height: 1.5;
}

.notice-box {
  flex: 1;
  min-width: 30rem;
}
.notice-list {
  background-color: #fff;
}

/* 招生信息等三个板块 */
.section-2 {
  background-color: transparent;
  padding-top: 10rem;
}
.three-columns {
  display: flex;
  justify-content: space-between;
  margin-bottom: 3rem;
  gap: 2rem;
}

.column-box {
  flex: 1;
  /* min-width: 28rem; */
}

.column-content {
  background-color: #fff;
  border-radius: 0.4rem;
  padding: 1.5rem;
}

.column-tabs {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  overflow: scroll;
}
.tab-item {
  position: relative;
  flex-shrink: 0;
  margin-right: 2rem;
  padding-bottom: 1rem;
  font-size: 2rem;
  font-weight: bold;
  color: var(--text-color);
  transition: all 0.3s;
  cursor: pointer;
}
.tab-item.active {
  color: var(--color-primary);
}
.tab-item.active::after {
  content: '';
  display: block;
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 0.4rem;
  background-color: var(--color-primary);
  border-radius: 0.1rem;
}

.tab-content {
  display: none;
}
.tab-content.active {
  display: block;
}

.tab-content li a {
  border-bottom: 1px solid rgba(0, 0, 0, .06);
  padding: 1.2rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.8rem;
  cursor: pointer;
}
.tab-content li:last-child a {
  border-bottom: none;
}

.article-time {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-right: 1.5rem;
}
.article-time .article-date {
  font-size: 3.6rem;
  font-weight: bold;
  color: #FFB323;
  transition: color 0.3s;
}
.tab-content li:hover .article-date {
  color: var(--color-primary);
}
.article-time .active {
  color: var(--color-primary);
}
.article-time .article-month {
  font-size: 1.4rem;
  color: var(--text-placeholder);
}

.tab-content .date {
  color: #999;
  font-size: 1.4rem;
  margin-left: 1rem;
  white-space: nowrap;
}

.tab-content .text-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  height: 5rem;
}
.tab-content .text {
  flex: 1;
  display: -webkit-box;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-height: 1.5;
}

/* 导师风采 */
.section-3 {
  padding-top: 7rem;
  padding-bottom: 14rem;
  background: #FAF3F4 url('../images/bg-index-video.png') no-repeat bottom center;
  background-size: 100%;
}
.container-3 {
  margin: 0 auto;
  width: 90vw;
}
.section-header-3 {
  width: 73vw;
  margin: 0 auto;
}
.teacher-section {
  margin-bottom: 3rem;
}

.teacher-swiper {
  width: 66vw;
  height: 45rem;
  margin: 0 auto 18rem;
}

.teacher-slide {
  display: grid;
  place-items: center;
  transition: transform 500ms, opacity 500ms;
}

.teacher-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0 0 12rem 12rem;
  /* box-shadow: 0 10px 28px rgba(0, 0, 0, .45); */
  user-select: none;
  pointer-events: none;
}
.teacher-info {
  display: none;
}
.swiper-slide-active .teacher-info {
  display: block;
  text-align: center;
  padding-top: 2.4rem;
}
.teacher-info .teacher-name {
  position: relative;
  font-size: 2.4rem;
  font-weight: bold;
  color: var(--text-color);
  margin-bottom: 1rem;
}
.teacher-info .teacher-name::after {
  content: '';
  position: absolute;
  bottom: -0.2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: -1;
  width: 8rem;
  height: 1.6rem;
  background-color: #ffca65;
}
.teacher-info .teacher-job {
  font-size: 1.6rem;
  line-height: 1.5;
  font-weight: normal;
  color: var(--text-secondary);
}

.teacher-swiper .swiper-button-next:after,
.teacher-swiper .swiper-button-prev:after {
  display: none;
}
.custom-nav-btn {
  width: 5rem;
  height: 5rem;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  border: none;
  cursor: pointer;
  border-radius: 50%;
  transition: all 0.3s ease;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  /* box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2); */
}
/* .custom-nav-btn:hover {
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
} */
.custom-prev {
  left: -1rem;
  background-image: url('../images/swiper-button-prev-grey.png');
}

.custom-next {
  right: -1rem;
  background-image: url('../images/swiper-button-next-grey.png');
}

/* 宣传视频 */
.video-swiper {
  width: 73vw;
  height: 45rem;
  margin: 0 auto;
}
.custom-prev-video {
  left: 0;
  background-image: url('../images/swiper-button-prev-white.png');
}
.custom-next-video {
  right: 0;
  background-image: url('../images/swiper-button-prev-white.png');
  transform: translateY(-50%) rotateY(180deg);
}
.section-header-video,
.video-swiper {
  display: none;
}

/* 功能图标区 */
.func-icons {
  background-color: #f9f9f9;
  padding: 5rem 0;
}
.section-header-func {
  margin-bottom: 3rem;
}

.icons-grid {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 7rem;
}

.func-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.func-item .func-img {
  position: relative;
  width: 8rem;
  height: 8rem;
  margin-bottom: 1rem;
  border: 1px dashed #979797;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.func-item:hover .func-img {
  border-color: var(--color-primary);
}

.func-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 4rem;
  height: 4rem;
  transition: all 0.3s;
}
.icon-normal {
  visibility: visible;
  opacity: 1;
  transform: translate(-50%, -50%) rotateY(0deg);
  pointer-events: none; /* 防止意外点击 */
}
.icon-active {
  visibility: hidden;
  opacity: 0;
  transform: translate(-50%, -50%) rotateY(-180deg);
}
.func-item:hover .icon-normal {
  visibility: hidden;
  opacity: 0;
  transform: translate(-50%, -50%) rotateY(180deg);
}
.func-item:hover .icon-active {
  visibility: visible;
  opacity: 1;
  transform: translate(-50%, -50%) rotateY(0deg);
}

.func-name {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 1.8rem;
  line-height: 1.5;
  color: var(--text-color);
  transition: all 0.3s;
}
.func-item:hover .func-name {
  color: var(--color-primary);
}
.func-name span {
  line-height: 1.5;
}

/* 联系我们区域 */
.contact-section {
  background-color: #3E3E3E;
  padding: 7rem 0;
}

.contact-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 3rem;
}

.contact-info {
  flex: 2;
}

.friend-links,
.qrcode-box {
  flex: 1;
  min-width: 25rem;
}

.contact-title {
  font-size: 3.2rem;
  margin-bottom: 3rem;
  color: #fff;
  font-weight: bold;
}

.contact-text {
  font-size: 1.4rem;
  line-height: 2;
}

.contact-text p {
  line-height: 1.5;
}
.contact-text-item {
  margin-bottom: 3rem;
}
.contact-subtitle {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}
.contact-subtitle img {
  width: 2.4rem;
  height: 2.4rem;
  margin-right: 0.4rem;
}
.contact-subtitle span {
  font-size: 2rem;
  color: #fff;
}

.contact-value {
  font-size: 1.6rem;
  color: #fff;
}
.contact-phones {
  display: flex;
  flex-wrap: wrap;
}
.contact-phones span {
  width: 35%;
  line-height: 1.5;
}

.friend-links ul {
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  gap: 1rem 2rem;
}
.friend-links ul li {
  margin-bottom: 1rem;
}

.qrcode-box {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.qrcode-img {
  width: 17rem;
  height: 17rem;
  margin-bottom: 1rem;
}

/* 页脚 */
.footer {
  background-color: var(--color-primary);
  padding: 2rem 0;
  text-align: center;
  font-size: 1.4rem;
  color: #fff;
}

.footer p {
  margin: 0.5rem 0;
}

/* list-start */
.list-banner-wrap {
  position: relative;
}
.list-banner {
  display: block;
  width: 100%;
  height: auto;
}
.list-banner-mobile {
  display: none;
}
.pc-title-wrap {
  width: 73vw;
  position: absolute;
  bottom: 4rem;
  left: 50%;
  transform: translateX(-50%);
}
.mobile-title-wrap {
  display: none;
}
.list-page-title {
  font-size: 6.4rem;
  font-weight: bold;
  color: #fff;
}
.list-page-path {
  margin-top: 1.8rem;
  display: flex;
  align-items: center;
  font-size: 1.8rem;
  color: #fff;
}
.list-page-path img {
  width: 1.4rem;
  height: 1.4rem;
  margin: 0 0.4rem;
}
.section-list {
  padding: 8rem 0;
}
.container-list {
  display: flex;
  justify-content: space-between;
  gap: 4rem;
}
/* 侧边菜单-start */
.container-list .list-side-menu {
  flex-shrink: 0;
  width: 34rem;
  background-color: var(--color-primary);
  padding-top: 4.8rem;
}
.side-menu-title {
  display: block;
  font-size: 4.8rem;
  font-weight: bold;
  color: #fff;
  margin: 0 0 4.8rem 2.4rem;
}
.side-menu-title:hover {
  color: #fff;
}

.side-menu-navs {
  margin-left: 2.4rem;
  padding-bottom: 28rem;
  background: #fff url('../images/bg-list-sidenav.png') no-repeat bottom center;
  background-size: 100%;
  height: calc(100% - 9.6rem);
}
.side-menu-navs a {
  display: block;
  padding: 2.4rem 1.6rem 2.4rem 2.4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.side-submenu {
  padding-left: 2.4rem;
}
.side-menu-navs li .menu-title {
  font-size: 2rem;
  color: var(--text-color);
  transition: all 0.3s;
}
.side-menu-navs img {
  width: 3.2rem;
  height: auto;
}
.arrow-active {
  display: none;
}
.side-menu-navs a:hover,
.side-menu-navs a.on {
  background-color: #FAF3F4;
}
.side-menu-navs a:hover .menu-title,
.side-menu-navs a.on .menu-title {
  color: var(--color-primary);
}
.side-menu-navs a:hover .arrow,
.side-menu-navs a.on .arrow {
  display: none;
}
.side-menu-navs a:hover .arrow-active,
.side-menu-navs a.on .arrow-active {
  display: block;
}
/* 侧边菜单-end */

.container-list .list-wrap {
  max-width: calc(73vw - 34rem - 4rem);
  flex: 1;
  background-color: #fff;
  padding: 0 2.4rem 4rem;
}
.list-content li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 4rem;
  border-bottom: 1px dashed rgba(0, 0, 0, 0.08);
  padding: 2.4rem 1.6rem;
}
.list-content li .list-content-title {
  display: block;
  position: relative;
  padding-left: 2.4rem;
  font-size: 2rem;
  color: var(--text-color);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: all 0.3s;
}
.list-content .list-content-title::before {
  content: '';
  display: block;
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  background-color: #ffbd3e;
  margin-right: 1.6rem;
}
.list-content li:hover {
  background-color: #FAF3F4;
}
.list-content li:hover .list-content-title {
  color: var(--color-primary);
}
.list-content li .list-content-time {
  font-size: 1.6rem;
  color: var(--text-placeholder);
}
.all_list {
  font-size: 2rem;
  line-height: 3;
}
/* list-pagination-start */
.list-pagination,
.mypages {
  margin-top: 4rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.6rem;
  font-size: 1.4rem;
}
.list-pagination button,
.mypages span,
.mypages a {
  flex-shrink: 0;
  display: block;
  min-width: 4rem;
  padding: 1rem;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 0.2rem;
  background-color: #fff;
  font-size: 1.4rem;
  color: var(--text-secondary);
  transition: all 0.3s;
  text-align: center;
  cursor: pointer;
}
.list-pagination button:hover,
.mypages span:hover,
.mypages a:hover {
  background-color: #FAF3F4;
}
.list-pagination button.active,
.mypages span.active,
.mypages a.active {
  background-color: var(--color-primary);
  color: #fff;
}
.mypages select {
  display: block;
  min-width: 4rem;
  padding: 0.8rem 1rem;
  font-size: 1.4rem;
}
.list-pagination button img {
  width: 1.2rem;
  height: 1.2rem;
}
/* list-pagination-end */
/* list-end */

/* article-start */
.section-article {
  padding: 8rem 0;
}
.container-article {
  display: flex;
  justify-content: space-between;
  gap: 4rem;
}
.container-article .list-side-menu {
  flex-shrink: 0;
  width: 34rem;
  background-color: var(--color-primary);
  padding-top: 4.8rem;
}
.article-wrap {
  flex: 1;
  background-color: #fff;
  padding: 6rem 4rem 4rem;
}
.article-wrap .article-title {
  text-align: center;
  font-size: 3.2rem;
  font-weight: bold;
  color: var(--text-color);
  line-height: 1.5;
  margin-bottom: 2.4rem;
}
.article-wrap .article-sub-title {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4rem;
  flex-wrap: wrap;
  font-size: 1.4rem;
  color: var(--text-placeholder);
  margin-bottom: 4rem;
}
.article-content * {
  max-width: 100%;
  box-sizing: border-box;
  word-break: break-all;
  font-size: 1.8rem;
  line-height: 2;
  color: var(--text-secondary);
  text-indent: 2em;
}
.article-prelist {
  margin-top: 6rem;
  padding-top: 4rem;
  border-top: 1px solid rgba(0, 0, 0, .06);
}
.article-prelist p {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--text-color);
  line-height: 2;
}
.article-prelist p.active {
  color: var(--color-primary);
}
/* article-end */

/* 响应式设计 */
@media (max-width: 768px) {
  .teacher-swiper {
    height: 60rem;
  }
  .teacher-slide {
    transform: none !important;
    opacity: 1 !important;
  }
  .teacher-slide img {
    border-radius: 0 0 18rem 18rem;
  }
  .container-3 {
    width: 66vw;
  }
  /* .video-swiper {
    height: 66rem;
  } */
}

@media (max-width: 640px) {
  /* 公共-start */
  .container {
    max-width: 93vw;
  }
  .section-header {
    margin-bottom: 2rem;
  }
  .section-title {
    font-size: 4rem;
  }
  .more-link {
    font-size: 2.4rem;
  }
  .more-link-icon {
    width: 2rem;
    height: 2rem;
  }
  /* 公共-end */
  .top-nav {
    position: relative;
    z-index: 1001;
  }
  .main-nav {
    display: none;
  }
  .search-box {
    display: none;
  }
  .option-mobile {
    display: flex;
    align-items: center;
    gap: 3.2rem;
  }
  .option-mobile img {
    width: 4.8rem;
    height: 4.8rem;
  }
  #mobile-close {
    display: none;
  }
  /* nav-start */
  .mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100%;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 99;
  }
  .mobile-overlay.active {
    opacity: 1;
    visibility: visible;
  }
  .main-nav-mobile {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100vw;
    height: auto;
    padding-top: 15rem;
    background: var(--color-primary) url('../images/bg-mobile-nav.png') no-repeat bottom center;
    background-size: 100%;
    transition: right 0.3s;
    z-index: 100;
    overflow-y: auto;
    box-sizing: border-box;
    color: #fff;
  }
  .main-nav-mobile.active {
    visibility: visible;
    right: 0;
  }

  .main-nav-mobile ul {
    list-style: none;
    margin: 0;
  }
  .main-nav-mobile li {
    margin-bottom: 2rem;
    padding-left: 4.8rem;
  }
  .main-nav-mobile a {
    display: block;
    font-size: 2.8rem;
    line-height: 1.6;
    color: #fff;
    text-decoration: none;
    position: relative;
    padding: 0.5rem 0;
  }

  /* 子菜单 */
  .mobile-submenu {
    display: none;
  }
  .mobile-submenu li {
    padding: 0.5rem 0 0 4.8rem;
  }
  .mobile-submenu li:last-child {
    margin-bottom: 0;
  }
  .mobile-submenu a {
    font-size: 2.6rem;
    line-height: 1.5;
    opacity: 0.9;
  }
  /* nav-end */
  .banner-swiper {
    height: 46rem;
  }

  .logo {
    height: 7rem;
  }

  .search-input {
    width: 12rem;
  }

  .news-img-swiper {
    height: 18rem;
  }
  /* 新闻动态和通知公告-start */
  .section-1 {
    padding: 7rem 0 1.5rem;
  }
  .news-notice {
    flex-direction: column;
    gap: 7rem;
  }
  .news-swiper {
    flex-direction: column;
  }
  .news-img-box {
    width: 100%;
    margin-bottom: 3rem;
  }
  .news-img-swiper {
    height: 62rem;
  }
  .news-pagination {
    bottom: 13rem !important;
  }
  .news-img-time {
    font-size: 3.6rem;
    margin-bottom: 2.4rem;
  }
  .news-img-swiper .slide-text {
    padding: 2.4rem;
  }
  .news-img-title {
    font-size: 2.8rem;
    min-height: 7rem;
  }
  .news-list-box {
    width: 100%;
  }
  .info-list {
    padding: 2.4rem;
  }
  .info-list li a {
    padding: 2.4rem 0;
    font-size: 2.8rem;
  }
  .news-time {
    margin-right: 1.6rem;
  }
  .news-time .time-date {
    font-size: 4rem;
  }
  .news-time .time-month {
    font-size: 1.8rem;
  }
  /* 新闻动态和通知公告-end */
  /* 导师风采、宣传视频-start */
  .section-3 {
    background: #FAF3F4 url('../images/bg-index-video-mobile.png') no-repeat bottom center;
    background-size: 100%;
  }
  .container-3 {
    width: 93vw;
  }
  .section-header-3 {
    width: 93vw;
  }
  .teacher-swiper {
    width: 93vw;
    height: 50rem;
  }
  .video-swiper {
    width: 93vw;
    height: 31rem;
  }
  .swiper-slide-active .teacher-info {
    display: none;
  }
  /* 导师风采、宣传视频-end */
  /* 招生信息等三个板块-start */
  .three-columns {
    flex-direction: column;
    gap: 7rem;
  }
  .column-content {
    padding: 2.4rem;
  }
  .tab-item {
    padding-bottom: 1.2rem;
    font-size: 3.2rem;
  }
  .tab-content li a {
    padding: 2.4rem 0;
    font-size: 2.8rem;
  }
  .article-time {
    margin-right: 1.6rem;
  }
  .article-time .article-date {
    font-size: 4rem;
  }
  .article-time .article-month {
    font-size: 1.8rem;
  }
  /* 招生信息等三个板块-end */
  .icons-grid {
    gap: 0;
  }
  .func-item {
    width: 33%;
    margin-bottom: 3rem;
  }
  /* 联系我们-start */
  .contact-content {
    flex-direction: column;
  }
  .contact-info {
    margin-bottom: 4rem;
  }
  .contact-title {
    font-size: 4rem;
    margin-bottom: 4rem;
  }
  .contact-text-item {
    margin-bottom: 4rem;
  }
  .contact-subtitle img {
    width: 3rem;
    height: 3rem;
  }
  .contact-subtitle span {
    font-size: 2.5rem;
  }
  .contact-value {
    font-size: 2rem;
  }
  .contact-phones span {
    width: 50%;
  }
  .friend-links {
    margin-bottom: 8rem;
  }
  .qrcode-img {
    width: 22rem;
    height: 22rem;
  }
  /* 联系我们-end */
  .footer {
    font-size: 1.8rem;
  }

  /* list-mobile-start */
  .section-list {
    padding: 4rem 0;
  }
  .list-banner {
    display: none;
  }
  .list-banner-mobile {
    display: block;
    width: 100%;
    height: auto;
  }
  .pc-title-wrap,
  .list-side-menu {
    display: none;
  }
  .mobile-title-wrap {
    display: block;
    padding-top: 4rem;
  }
  .list-page-path {
    margin-top: 0;
    margin-bottom: 2.4rem;
    font-size: 2rem;
    color: var(--text-placeholder);
  }
  .list-page-title {
    font-size: 4.8rem;
    color: var(--color-primary);
  }
  .container-list {
    flex-direction: column;
  }
  .container-list .list-wrap {
    max-width: 93rem;
  }
  .list-content li {
    gap: 2rem;
    padding: 2.4rem 0;
  }
  .list-content li .list-content-title {
    display: -webkit-box;
    white-space: wrap;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-height: 1.5;
    font-size: 2.8rem;
  }
  .list-content li .list-content-time {
    font-size: 2.2rem;
  }
  .all_list {
    font-size: 2.8rem;
  }
  .list-pagination button,
  .mypages span,
  .mypages a,
  .mypages select {
    font-size: 1.8rem;
  }
  .mypages {
    font-size: 1.8rem;
  }
  .list-pagination button img {
    width: 1.5rem;
    height: 1.5rem;
  }
  /* list-mobile-end */

  /* article-mobile-start */
  .section-article {
    padding: 4rem 0;
  }
  .container-article {
    flex-direction: column;
  }
  .article-wrap .article-title {
    font-size: 3.6rem;
  }
  .article-wrap .article-sub-title {
    font-size: 2.4rem;
  }
  .article-content * {
    font-size: 2.8rem;
  }
  .article-prelist p {
    font-size: 2.8rem;
  }
  /* article-mobile-end */
}

/* 不同的动画初始状态 */
.box {
  opacity: 0;
  transition: all 0.8s ease-out;
}
.fade-in {
  opacity: 0;
}

.slide-in-left {
  transform: translateX(-100px);
  opacity: 0;
}

.slide-in-right {
  transform: translateX(100px);
  opacity: 0;
}

.slide-in-up {
  transform: translateY(100px);
  opacity: 0;
}

.scale-in {
  transform: scale(0.5);
  opacity: 0;
}

.rotate-in {
  transform: rotate(-10deg) scale(0.8);
  opacity: 0;
}

/* 动画激活状态 */
.animate {
  opacity: 1 !important;
  transform: translate(0) scale(1) rotate(0) !important;
}