* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;}

body {
    font-family: 'Noto Sans SC', "思源黑体";
    font-weight: 400;
    overflow-x: hidden;}

.container {
    margin: 0 auto;}

/* 头部 */
header {
    background-color: #fff;
    position: sticky;
    top: 0;
    z-index: 1000;}

/* 导航栏 */
nav {
    height: 6vw;
    background-color: #fff;}

.nav-container {
    display: grid;
    grid-template-columns: 4fr 15fr 1fr;
    justify-items: center;
    align-items: center;
    height: 100%;
    width: 100%;}

.nav-right {
    display: flex;
    align-items: center;}

.search-btn {
    padding: 2.21vw;
    border-left: 2px solid #f2f2f2;}

.search-btn img {
    width: 1.11vw;
    height: 1.11vw;
    cursor: pointer;}

/* 搜索蒙层 */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    display: none;}

.search-container {
    background-color: transparent;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    width: 50vw;
    max-width: 800px;
    text-align: center;}

.search-input-container {
    display: flex;
    align-items: center;
    background-color: white;
    border-radius: 4px;
    overflow: hidden;}

.search-input {
    flex: 1;
    padding: 1.39vw;
    font-size: 9pt;
    border: none;
    border-radius: 4px 0 0 4px;
    margin-bottom: 0;
    outline: none;}

.search-submit {
    padding: 1.39vw 1.39vw;
    color: white;
    border: none;
    border-radius: 0 4px 4px 0;
    font-size: 9pt;
    cursor: pointer;
    margin-right: 0;
    display: flex;
    align-items: center;
    justify-content: center;}

.search-submit img {
    width: 1.11vw;
    height: 1.11vw;}

.search-close {
    position: absolute;
    top: 2.78vw;
    right: 2.78vw;
    padding: 0.69vw;
    background-color: rgba(255, 255, 255, 0.8);
    color: #333;
    border: none;
    border-radius: 50%;
    font-size: 9pt;
    cursor: pointer;
    width: 3.47vw;
    height: 3.47vw;
    display: flex;
    align-items: center;
    justify-content: center;}

.logo {
    display: flex;
    align-items: center;
    border-right: 2px solid #f2f2f2;}

.logo div {
    width: 17.316vw;
    height: 2.22vw;
    background-image: url(images/picture/logo1.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    margin: 1.74vw 2.22vw;
    cursor: pointer;}

.logo div:hover {
    background-image: url(images/picture/logo2.png);}

.nav-menu {
    display: flex;
    list-style: none;
    height: 100%;}

.nav-menu > li {
    display: flex;
    align-items: center;
    padding: 1vw;
    margin: 1.15vw 1.78vw;
    position: relative;}

.nav-menu > li > a {
    display: flex;
    align-items: center;
    height: 100%;
    color: #383838;
    text-decoration: none;
    font-size: 12pt;
    transition: color 0.3s;}

.nav-menu > li:hover {
    color: #023bcc;
    border-bottom: 4px solid #023bcc;}

/* 下拉菜单 */
.sub-menu {
    position: absolute;
    top: 145%;
    left: -1.78vw;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    list-style: none;
    display: none;
    min-width: 8.89vw;
    border-top: 1px solid #023bcc;
    z-index: 1001;}

.nav-menu > li.active > .sub-menu {
    display: block;}

.sub-menu li a {
    display: block;
    width:100%;
    padding: 1.2vw;
    color: #383838;
    text-decoration: none;
    text-align: center;
    font-size: 12pt;
    transition: background-color 0.3s;
    border-bottom: 1px solid #f2f2f2;}

.sub-menu li a:hover {
    background-color: #f0f0f0;}

/* 轮播图 */
.carousel {
    position: relative;
    height: 27.778vw;
    overflow: hidden;}

.carousel-inner {
    display: flex;
    transition: transform 0.5s ease;
    height: 100%;}

.carousel-item {
    min-width: 100%;
    height: 100%;}

.carousel-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;}

.carousel-indicator.active {
    background-color: #023bcc;}

 /* 内容区域 */
.content {
    width: 100%;
    padding-top: 1.389vw;
    overflow: hidden;
    background-image: url(images/picture/content_bg.png);
    /* background-image: url('./切图/picture/content_bg.png'); */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;}

.section {
    width: 83%;
    padding: 1.389vw;
    margin: 0 auto;}

/* 底部 */
footer {
    color: #808080;}

.footer-background {
    width: 100%;
    height: 34.722vw;
    /* background-image: url('./切图/picture/btimg.png'); */
    background-image: url(images/picture/btimg.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr 1fr;
    gap: 2.778vw;
    padding: 3.472vw 1.389vw 1.389vw 1.389vw;
    width: 83%;
    margin: 0 auto;}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 1.389vw;}

.footer-logo img {
    height: 4.583vw;
    width: 22.222vw;
    margin-right: 1.389vw;}

.footer-qrcode {
    display: flex;
    align-items: center;
    margin-top: 1.389vw;}

.footer-qrcode img {
    height: 6.944vw;
    width: 6.944vw;
    margin-right: 2.361vw;}

.footer-logo h2 {
    font-weight: 400;
    font-size: 15pt;}

.footer-info {
    font-size: 12pt;
    font-weight: 400;
    letter-spacing: 0.8px;
    line-height: 1.5;}

.footer-links h3 {
    font-size: 12pt;
    font-weight: 400;
    margin-bottom: 1.041vw;
    letter-spacing: 1px;
    color: #383838;}

.footer-links ul {
    list-style: none;}

.footer-links li {
    margin-bottom: 0.694vw;}

.footer-links a {
    color: #808080;
    text-decoration: none;
    transition: color 0.3s;
    letter-spacing: 0.8px;
    font-size: 10.5pt;}

.footer-links a:hover {
    color: #808080;}

.footer-bottom {
    text-align: center;
    padding-top: 1.389vw;
    font-size: 10.5pt;
    letter-spacing: 0.8px;
    color: #999;
    padding: 1.389vw;}

/* 汉堡菜单按钮 */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 20px;}

.hamburger span {
    width: 100%;
    height: 2px;
    background-color: rgba(0, 0, 0, 1);
    transition: all 0.3s ease;}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translateY(5px);}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-5px);}

/* 移动端导航菜单 */
.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 9998;}

.mobile-nav-menu {
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    height: 100%;
    background-color: #fff;
    z-index: 9999;
    transition: left 0.3s ease;
    overflow-y: auto;}

.mobile-nav-menu.active {
    width: 100%;
    left: 0;}

.mobile-nav-menu .logo {
    border: none;
    padding: 20px;
    border-bottom: 1px solid #f2f2f2;}

.mobile-nav-menu .mobile-logo {
    width: 80%;
    height: 50px;
    background-image: url(images/picture/logo1.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    margin: 0;
    cursor: pointer;}

.mobile-nav-menu .mobile-logo:hover {
    background-image: url(images/picture/logo2.png);}

.mobile-nav-menu .logo img {
    height: auto;
    width: 80%;
    margin: 0;}

.mobile-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;}

.mobile-nav-list li {
    border-bottom: 1px solid #f2f2f2;}

.mobile-nav-list li a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    color: #383838;
    text-decoration: none;
    font-size: 14px;}

.mobile-nav-list li a:hover {
    background-color: #f8f8f8;}

.mobile-sub-menu {
    display: none;
    list-style: none;
    padding: 0;
    background-color: #f8f8f8;}

.mobile-sub-menu li {
    border-bottom: 1px solid #e0e0e0;}

.mobile-sub-menu li a {
    padding-left: 40px;
    font-size: 13px;
    color: #666;}

.mobile-nav-close {
    position: absolute;
    right: 15px;
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 20px;
    color: #999;}

.mobile-nav-list .arrow {
    font-size: 18px;
    color: #999;}

/* 学院概况页面样式 */
.college-section {
    padding: 0;}

.college-container {
    display: flex;
    width: 100%;
    margin-bottom: 13.89vw;}

.college-nav {
    width: 13.889vw;
    min-height: 34.722vw;
    padding: 0 2.083vw 2.083vw 2.083vw;}

.college-nav-header {
    background-color: #023bcc;
    padding: 1.041vw;
    color: #ffffff;
    font-size: 18pt;
    text-align: center;
    margin-bottom: 1.111vw;}

.college-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;}

.college-nav li {
    position: relative;}

.college-nav a {
    display: block;
    padding: 1.111vw;
    color: #383838;
    text-decoration: none;
    font-size: 12pt;
    transition: all 0.3s;
    background-color: white;
    position: relative;}

.college-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 5%;
    width: 8.75vw;
    height: 1px;
    background-color: rgba(229, 229, 229, 1);}

.college-nav .sub-menu {
    position: absolute;
    top: 0;
    left: 100%;
    width: 11.806vw;
    background-color: white;
    list-style: none;
    padding: 0;
    margin: 0;
    display: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 1000;}

.college-nav .sub-menu li {
    margin-bottom: 0;}

.college-nav .sub-menu a {
    font-size: 9pt;
    padding: 1.25vw;
    text-align: center;
    font-weight: 400;
    letter-spacing: 0px;
    vertical-align: top;
    background-color: #f7f7f7;}

.college-nav .sub-menu a::after{
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%; /* 居中 */
    transform: translateX(-50%);
    width: 8.75vw; /* 自定义长度 */
    height: 1px; /* 边框粗细 */
    background: rgba(229, 229, 229, 1);}

.college-nav .sub-menu a:hover {
    color: #023bcc;
    background-color: #f7f7f7;}

.college-nav ul:hover li:not(:hover) a.active + .sub-menu {
    display: none;}

.college-nav li:hover .sub-menu {
    display: block;}

.college-nav li a.active + .sub-menu {
    display: block;}

.college-nav a.active {
    color: #023bcc;
    background-color: #f7f7f7;}

.college-nav a:hover {
    color: #023bcc;
    background-color: #f7f7f7;}

.college-content {
    flex: 1;
    background-color: white;
    padding: 2.0833vw;}

.breadcrumb {
    font-size: 13.5pt;
    color: #666;}

.breadcrumb a {
    color: #666;
    text-decoration: none;}

.breadcrumb .current {
    color: #002fa7;}

.college-content h2 {
    font-size: 15pt;
    color: #383838;
    font-weight: 400;
    margin: 0;}

.college-content h3{
    font-size: 13.5pt;
    color: rgba(56, 56, 56, 1);
    margin-bottom: 3.472vw;
    text-align: center;}

.college-content p {
    line-height: 1.8;
    color: #808080;
    font-size: 12pt;
    margin: 0 0 1.0417vw 0;}

.college-content p:last-child {
    margin-bottom: 0;}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(166, 166, 166, 1);
    padding-bottom: 1.111vw;
    margin-bottom: 3.472vw;}

/* 师资队伍样式 */
.faculty-container {
    width: 100%;}

.faculty-card {
    display: flex;
    margin-bottom: 2.9167vw;
    background-color: rgb(226, 224, 224);}

.faculty-card:last-child {
    border-bottom: none;}

.faculty-photo {
    width: 18.0556vw;
    aspect-ratio: 1 / 1.295;
    height: 23.4028vw;
    margin-right: 2.0833vw;
    flex-shrink: 0;}

.faculty-photo img {
    width: 18.0556vw;
    aspect-ratio: 1 / 1.295;
    height: 23.4028vw;
    object-fit: cover;}

.faculty-info {
    flex: 1;
    height: 23.4028vw;
    display: flex;
    flex-direction: column;
    margin-right: 2.0833vw;
    justify-content: center;
    align-items: flex-start;}

.faculty-info h4 {
    font-size: 15pt;
    color: #333;
    font-weight: 400;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 1.0417vw;}

.faculty-info p {
    line-height: 1.6;
    color: #666;
    font-size: 10.5pt;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 0.5556vw;}

.faculty-info p:last-child {
    margin-bottom: 0;}

    /* 媒体查询 - 手机设备 (max-width: 767px) */
@media screen and (max-width: 1024px) {
    /* 导航栏 */
    nav {
        height: 56px;}

    .nav-menu > li > a {
        font-size: 5pt;}
    
    .nav-container {
        grid-template-columns: 3fr 1fr 1fr;
        padding-left: 19px;
        padding-right: 33px;}
    
    .nav-right {
        display: none;}
    
    .hamburger {
        display: flex;
        justify-self: flex-end;}
    
    .logo {
        border: none;
        justify-self: flex-start;}
    
    .logo img {
        height: 30px;
        margin: 13px 0;}
    
    .search-btn {
        padding: 0vw;
        width: 20px;
        height: 20px;
        border-left: 0px solid #f2f2f2;
        justify-self: flex-end;}

    .search-btn img {
    width: 20px;
    height: 20px;
    cursor: pointer;}
    
    /* 轮播图 */
    .carousel {
        height: 50.625vw;}
    
    /* 内容区域 */
    .content {
        padding-top: 15px;}
    
    .section {
        width: 95%;
        padding: 15px;}
    
    .section-header {
        margin-bottom: 20px;}
    
    .section-title {
        font-size: 10.5pt;}
    
    .section-more {
        font-size: 12px;}
    
    /* 搜索蒙层 */
    .search-container {
        width: 90%;}
    
    .search-input {
        padding: 15px;}
    
    .search-submit {
        padding: 15px;}
    
    .search-close {
        width: 40px;
        height: 40px;
        top: 20px;
        right: 20px;}
    
    .footer-content {
        display: grid;
        grid-template-columns: 3fr 0.5fr 0.8fr 0.8fr;
        gap: 2.778vw;
        padding: 3.472vw 1.389vw 1.389vw 1.389vw;
        width: 83%;
        margin: 0 auto;}

    .footer-logo {
        display: flex;
        align-items: center;
        margin-bottom: 1.389vw;}
    
    .footer-logo img {
        height: 4.583vw;
        width: 22.222vw;
        margin-right: 1.389vw;}
    
    .footer-qrcode {
        display: flex;
        align-items: center;
        margin-top: 1.389vw;}
    
    .footer-qrcode img {
        height: 6.944vw;
        width: 6.944vw;
        margin-right: 2.361vw;}
    
    .footer-info {
        font-size: 4.5pt;
        letter-spacing: 0.5px;
        line-height: 1.5;}
    
    .footer-links h3 {
        font-size: 6pt;
        font-weight: 400;
        margin-bottom: 1.041vw;
        letter-spacing: 1px;
        color: #383838;}
    
    .footer-links ul {
        list-style: none;}
    
    .footer-links li {
        height: 1.25vw;}
    
    .footer-links a {
        color: #808080;
        text-decoration: none;
        transition: color 0.3s;
        letter-spacing: 0.8px;
        font-size: 4.5pt;}
    
    .footer-links a:hover {
        color: #808080;}
    
    .footer-bottom {
        width: 100%;
        height: 8.89vw;
        font-size: 4.5pt;
        display: flex;
        align-items: center;
        justify-content: center;}

    .college-nav{
        display: none;}

    .college-content h2 {
        font-size: 10.5pt;}

    .college-content h3 {
        font-size: 10.5pt;}

    .college-content p {
        font-size: 9pt;}

    .breadcrumb {
        font-size: 10.5pt;}

    .faculty-info h4 {
        font-size: 10.5pt;}
}