:root {
            --primary-blue: #002b5c;
            --secondary-blue: #004080;
            --accent-red: #c8102e;
            --light-blue: #5b7db1;
            --light-gray: #f7f7f7;
            --dark-gray: #333333;
            --white: #ffffff;}
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;}
        
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            line-height: 1.6;
            color: var(--dark-gray);
            background: var(--light-gray);}
        
        /* 头部样式 */
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: var(--white);
            color: var(--primary-blue);
            padding: 15px 5%;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);}
        
        header .logo {
            display: flex;
            align-items: center;
            transition: transform 0.3s ease;}
        
        header .logo:hover {
            transform: scale(1.02);}
        
        header .logo img {
            height: 60px;
            margin-right: 15px;
            border-radius: 5px;}
        
        header .logo-text h1 {
            font-size: 20px;
            margin: 0;
            line-height: 1.3;}
        
        header .logo-text small {
            font-size: 14px;
            opacity: 0.9;}
        
        .search-lang {
            display: flex;
            align-items: center;
            gap: 10px;}
        
        .search-container {
            position: relative;}
        
        .search-container input {
            padding: 8px 15px;
            padding-right: 40px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: var(--primary-blue);
            color: var(--white);
            transition: all 0.3s ease;
            width: 180px;}
        
        .search-container input:focus {
            outline: none;
            background: var(--primary-blue);
            width: 250px;}
        
        .search-container input::placeholder {
            color: rgba(255, 255, 255, 0.7);}
        
        .search-container .fas{
            position: absolute;
            right: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255, 255, 255, 0.7);    background: none;
    border: none;}
        
        .lang-buttons {
            display: flex;
            gap: 5px;}
        
        .lang-buttons button {
            background: var(--accent-red);
            color: var(--white);
            border: none;
            padding: 8px 15px;
            border-radius: 20px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: bold;}
        
        .lang-buttons button:hover {
            background: #a00d24;
            transform: translateY(-2px);}
        
        /* 导航菜单 */
        nav {
            background: var(--secondary-blue);
            position: sticky;
            top: 90px;
            z-index: 999;}
        
        .nav-container {
            max-width: 1200px;
            margin: 0 auto;}
        
        nav ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;}
        
        nav ul li {
            position: relative;}
        
        nav ul li a {
            display: block;
            padding: 15px 25px;
            color: var(--white);
            text-decoration: none;
            font-weight: bold;
            transition: all 0.3s ease;
            position: relative;}
        
        nav ul li a:hover {
            background: var(--accent-red);}
        
        nav ul li a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 3px;
            background: var(--accent-red);
            transition: all 0.3s ease;
            transform: translateX(-50%);}
        
        nav ul li a:hover::after {
            width: 80%;}
        
        nav ul li ul {
            display: none;
            position: absolute;
            background: var(--secondary-blue);
            list-style: none;
            padding: 0;
            margin: 0;
            min-width: 220px;
            z-index: 1000;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            border-radius: 0 0 5px 5px;
            overflow: hidden;}
        
        nav ul li:hover ul {
            display: block;
            animation: fadeIn 0.3s ease;}
        
        nav ul li ul li a {
            padding: 12px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 14px;}
        
        nav ul li ul li:last-child a {
            border-bottom: none;}
        
        /* 轮播图 - 高度调整为原来的2/3 */
        .banner-container {
            position: relative;
            width: 100%;
            height: 333px; /* 从500px调整为333px */
            overflow: hidden;}
        
        .banner-slide {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 36px;
            font-weight: bold;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
            transition: all 1s ease;
            background-size: cover;
            background-position: center;
            text-align: center;}
        .banner-slide div {

            margin-top: 15px;
            }        
        .banner-slide p {
            font-size: 20px;

            max-width: 1000px;
            padding: 0 20px;}
        
        .banner-slide.active {
            left: 0;}
        
        .banner-slide.prev {
            left: -100%;}
        
        .banner-controls {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 10px;
            z-index: 10;}
        
        .banner-controls span {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: all 0.3s ease;}
        
        .banner-controls span.active {
            background: var(--white);
            transform: scale(1.2);}
        
        /* 内容区域 */
        .section {
            padding: 60px 20px;    OVERFLOW: hidden;
            background: var(--white);
            margin: 40px auto;
            max-width: 1200px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);}
        .section.section1{padding: 20px 20px 60px;}
        .section-title {
            text-align: center;
            margin-bottom: 40px;
            color: var(--primary-blue);
            font-size: 32px;
            position: relative;
            padding-bottom: 15px;}
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-75%);
            width: 80px;
            height: 3px;
            background: var(--accent-red);}
        .section-title a{
    float: right;
    font-size: 16px;
    color: #999;
    padding-top: 12px;
    font-weight: normal;
}
.section-title a:hover{color: var(--primary-blue);}
        .cards {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
            justify-content: center;}
        
        .card {
            background: var(--light-gray);
            padding: 25px;
            border-radius: 8px;
            flex: 1;
            min-width: 300px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;}
        
        .card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: var(--light-blue);}
        
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);}
        
        .card h3 {
            color: var(--light-blue);
            margin-bottom: 45px;
            font-size: 22px;}
        
        .card p {
            margin-bottom: 20px;
            color: #555;
            line-height: 1.6;}
        
        .card .button {
            background: var(--accent-red);
            color: var(--white);
            border: none;
            padding: 10px 20px;
            border-radius: 30px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: bold;}
        
        .card .button:hover {
            background: #a00d24;
            transform: scale(1.05);}
        
        /* 师资力量卡片样式 */
        .faculty-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 150px;
            background: var(--white);
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            transition: all 0.3s ease;
            padding: 20px;
            text-align: center;}
        
        .faculty-card:hover {
            border-color: var(--light-blue);
            box-shadow: 0 5px 15px rgba(91, 125, 177, 0.2);
            transform: translateY(-5px);}
        
        .faculty-logo {
            height: 60px;
            margin-bottom: 15px;
            object-fit: contain;}
        
        /* 新闻与活动区域 */
        .news-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;}
        
        .news-item {
            background: var(--light-gray);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;}
        
        .news-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);}
        
        .news-img {
            height: 180px;
            background-size: cover;
            background-position: center;}
        
        .news-content {
            padding: 20px;}
        
        .news-date {
            color: var(--light-blue);
            font-size: 14px;
            margin-bottom: 10px;}
        
        .news-title {
            font-size: 18px;
            margin-bottom: 10px;
            color: var(--primary-blue);}
        
        .news-excerpt {
            color: #666;
            font-size: 14px;
            line-height: 1.5;}
        
        /* 学生发展卡片样式 */
        .student-dev-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 200px;
            background: var(--white);
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            transition: all 0.3s ease;
            padding: 25px;
            text-align: center;
            cursor: pointer;
            flex: 1;
            min-width: 200px;}
        
        .student-dev-card:hover {
            border-color: var(--light-blue);
            box-shadow: 0 10px 20px rgba(91, 125, 177, 0.2);
            transform: translateY(-5px);}
        
        .student-dev-card i {
            font-size: 40px;
            color: var(--light-blue);
            margin-bottom: 15px;}
        
        .student-dev-card h3 {
            color: var(--primary-blue);
            margin-bottom: 10px;
            font-size: 20px;}
        
        .student-dev-card p {
            color: #666;
            font-size: 14px;
            line-height: 1.5;}
        
        /* 师资力量两行布局 */
        .faculty-grid {
            display: flex;
            flex-direction: column;
            gap: 30px;}
        
        .faculty-row {
            display: flex;
            gap: 30px;
            justify-content: center;
            flex-wrap: wrap;}
        
        .faculty-row:first-child .faculty-card {
            flex: 1;
            min-width: 300px;}
        
        .faculty-row:last-child .faculty-card {
            min-width: 400px;}
        
        /* 新闻按钮样式 */
        .news-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 40px;
            flex-wrap: wrap;}
        
        .news-button {
            background: var(--light-gray);
            border: 2px solid var(--light-blue);
            color: var(--primary-blue);
            padding: 12px 25px;
            border-radius: 30px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: bold;
            font-size: 16px;}
        
        .news-button:hover, .news-button.active {
            background: var(--light-blue);
            color: var(--white);
            transform: translateY(-2px);}
        
        /* 页脚样式 */
        footer {
            background: var(--primary-blue);
            color: var(--white);
            padding: 50px 20px 20px;
            margin-top: 50px;}
        
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            margin-bottom: 30px;}
        
        .footer-section h3 {
            font-size: 20px;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;}
        
        .footer-section h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 2px;
            background: var(--accent-red);}
        
        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 15px;}
        
        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;}
        
        .contact-item i {
            margin-top: 3px;
            color: var(--accent-red);}
        
        .social-icons {
            display: flex;
            gap: 15px;
            margin-top: 20px;}
        
        .social-icons a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: var(--white);
            transition: all 0.3s ease;}
        
        .social-icons a:hover {
            background: var(--accent-red);
            transform: translateY(-3px);}
        
        .quick-links-list {
            list-style: none;}
        
        .quick-links-list li {
            margin-bottom: 5px;}
        
        .quick-links-list a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: all 0.3s ease;
            display: block;
            padding: 5px 0;}
        
        .quick-links-list a:hover {
            color: var(--white);
            padding-left: 5px;}
        
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);}
        
        .qrcode-section {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;}
        
        .qrcode {
            width: 120px;
            height: 120px;
            background: var(--white);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;}
        
        .qrcode-text {
            font-size: 16px;
            font-weight: bold;}
        
        /* 动画效果 */
        @keyframes fadeIn {
            from { opacity: 0;}
            to { opacity: 1;}
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            header {
                flex-direction: column;
                padding: 15px 0;
                text-align: left;}
            
            header .logo {width: 100%;        margin-left: 5px;}header .logo img{  height: 50px;  margin-right: 8px;}
            header .logo-text h1{font-size:16px;}
            header .logo-text small{font-size:10px;}
            header .search-lang {
                display:none;}
            .search-lang {
                width: 100%;
                justify-content: center;}
            nav ul {
                flex-direction: column;}
            
            nav ul li {
                width: 100%;
                text-align: center;}
            
            nav ul li ul {
                position: static;
                width: 100%;}
            
            .banner-container {
                height: 300px;}
            
            .banner-slide {
                font-size: 28px;}
            
            .banner-slide p {
                font-size: 18px;}
            
            .faculty-row:last-child .faculty-card {
                min-width: 300px;}.section-title a{font-size:14px;}.card h3{font-size:18px;}
        }
        
        @media (max-width: 768px) {
            .banner-container {
                height: 250px;}
            
            .banner-slide {
                font-size: 24px;}
            
            .banner-slide p {
                font-size: 16px;}
            
            .section {
                padding: 40px 15px;
                margin: 30px 15px;}
            
            .section-title {
                font-size: 18px; margin-bottom:25px;       text-align: left;}
            .section-title::after{ transform: translateX(0%);left: 0%; width: 70px;}
            .card {
                min-width: 100%;}
            
            .faculty-row:last-child .faculty-card {
                min-width: 100%;}
            
            .student-dev-card {
                min-width: 100%;}
        }
        
        @media (max-width: 480px) {
            .search-container input {
                width: 150px;}
            
            .search-container input:focus {
                width: 200px;}
            
            .banner-container {
                height: 200px;}
            
            .banner-slide {
                font-size: 20px;}
            
            .banner-slide p {
                font-size: 14px;}
            
            .news-buttons {
                flex-direction: column;
                align-items: center;}
            
            .news-button {
                width: 80%;}
        }