/* 新增目标院校样式 */
.universities {
    padding: 80px 0;
    background-color: #f5f9ff;
}

.university-tabs {
    display: flex;
    justify-content: center;
    margin: 40px 0 30px;
    flex-wrap: wrap;
    gap: 10px;
}

.university-tabs .tab {
    padding: 15px 30px;
    background-color: white;
    border-radius: 50px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: bold;
    color: #555;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.university-tabs .tab i {
    font-size: 18px;
}

.university-tabs .tab.active,
.university-tabs .tab:hover {
    background-color: #1a3e72;
    color: white;
}

.university-content {
    display: none;
}

.university-content.active {
    display: block;
}

.university-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.university-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.university-card:hover {
    transform: translateY(-10px);
}

.university-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.university-info {
    padding: 20px;
}

.university-info h3 {
    color: #1a3e72;
    margin-bottom: 10px;
    font-size: 20px;
}

.university-info p {
    color: #666;
    margin-bottom: 8px;
    font-size: 14px;
}

.university-more {
    text-align: center;
    padding: 20px;
    background-color: white;
    border-radius: 10px;
    margin-top: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

/* 联系我们页面样式 */
.contact-main {
    padding: 60px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    background-color: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.contact-info h2 {
    color: #1a3e72;
    margin-bottom: 30px;
    font-size: 28px;
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
}

.info-item i {
    font-size: 24px;
    color: #f8b500;
    margin-top: 5px;
}

.info-item h3 {
    color: #1a3e72;
    margin-bottom: 5px;
    font-size: 18px;
}

.info-item p {
    color: #666;
    font-size: 15px;
    line-height: 1.6;
}

.contact-form {
    background-color: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.contact-form h2 {
    color: #1a3e72;
    margin-bottom: 30px;
    font-size: 28px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: bold;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-map {
    margin-top: 60px;
}

.contact-map h2 {
    color: #1a3e72;
    margin-bottom: 30px;
    font-size: 28px;
    text-align: center;
}

.map-container {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.contact-cta {
    padding: 60px 0;
    background-color: #1a3e72;
    color: white;
}

.cta-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.cta-text h2 {
    font-size: 28px;
    margin-bottom: 10px;
}

.cta-text p {
    font-size: 16px;
    opacity: 0.8;
}

/* 成功案例页面样式 */
.case-filter {
    padding: 30px 0;
    background-color: #f5f9ff;
}

.filter-options {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
}

.filter-group {
    display: flex;
    align-items: center;
}

.filter-group label {
    margin-right: 10px;
    font-weight: bold;
    color: #555;
}

.filter-group select {
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    min-width: 150px;
}

.case-studies {
    padding: 60px 0;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.case-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.case-card:hover {
    transform: translateY(-10px);
}

.case-image {
    position: relative;
}

.case-image img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.case-tag {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: #1a3e72;
    color: white;
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 14px;
}

.case-content {
    padding: 25px;
}

.case-content h3 {
    color: #1a3e72;
    margin-bottom: 15px;
    font-size: 20px;
}

.case-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    color: #777;
    font-size: 14px;
}

.case-meta i {
    margin-right: 5px;
    color: #f8b500;
}

.case-desc {
    color: #555;
    margin-bottom: 20px;
    font-size: 15px;
    line-height: 1.6;
}

.case-highlights h4 {
    color: #1a3e72;
    margin-bottom: 10px;
    font-size: 16px;
}

.case-highlights ul {
    padding-left: 20px;
    margin-bottom: 20px;
    color: #555;
}

.case-highlights li {
    margin-bottom: 8px;
    font-size: 14px;
}

.btn-small {
    padding: 8px 20px;
    font-size: 14px;
}

.case-pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 50px;
}

.case-pagination a {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    border-radius: 50%;
    background-color: #f0f4f9;
    color: #555;
    transition: all 0.3s ease;
}

.case-pagination a.active,
.case-pagination a:hover {
    background-color: #1a3e72;
    color: white;
}

.case-statistics {
    padding: 60px 0;
    background-color: #f5f9ff;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.stat-card {
    background-color: white;
    padding: 40px 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.stat-number {
    font-size: 48px;
    font-weight: bold;
    color: #1a3e72;
    margin-bottom: 10px;
}

.stat-title {
    color: #555;
    font-size: 16px;
}

.case-testimonials {
    padding: 60px 0;
}

.testimonial-slider {
    max-width: 800px;
    margin: 40px auto 0;
}

.testimonial {
    display: none;
}

.testimonial.active {
    display: flex;
    gap: 40px;
    align-items: center;
}

.testimonial-image {
    flex: 1;
}

.testimonial-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.testimonial-content {
    flex: 1;
}

.testimonial-content p {
    font-size: 18px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 25px;
    font-style: italic;
    position: relative;
}

.testimonial-content p:before {
    content: "";
    font-size: 60px;
    color: #f8b500;
    position: absolute;
    top: -20px;
    left: -30px;
    opacity: 0.2;
}

.author-name {
    font-weight: bold;
    color: #1a3e72;
    font-size: 18px;
}

.author-school {
    color: #777;
    font-size: 14px;
}

.case-cta {
    padding: 80px 0;
    background-color: #1a3e72;
    color: white;
    text-align: center;
}

.case-cta h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

.case-cta p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.8;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .testimonial.active {
        flex-direction: column;
    }
    
    .testimonial-image {
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    .cta-box {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .filter-options {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .filter-group label {
        margin-bottom: 5px;
    }
}

@media (max-width: 576px) {
    .case-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
}/* 基础样式 */
:root {
    --primary-color: #003366;
    --secondary-color: #FFD700;
    --text-color: #333;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    --dark-gray: #666;
}

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

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 导航栏 */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

.logo img {
    height: 50px;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--secondary-color);
}

/* 英雄区域 */
.hero {
    background: linear-gradient(rgba(0, 51, 102, 0.8), rgba(0, 51, 102, 0.8)), url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white);
    text-align: center;
    padding: 180px 0 100px;
    margin-top: 80px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.cta-button {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s;
}

.cta-button:hover {
    background-color: var(--white);
    transform: translateY(-3px);
}

/* 优势部分 */
.advantages {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.advantages h2 {
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-color);
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.advantage-item {
    background-color: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s;
}

.advantage-item:hover {
    transform: translateY(-10px);
}

.advantage-item .icon {
    background-color: var(--primary-color);
    color: var(--white);
    width: 50px;
    height: 50px;
    line-height: 50px;
    border-radius: 50%;
    margin: 0 auto 20px;
    font-weight: bold;
    font-size: 1.2rem;
}

.advantage-item h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* 合作院校 */
.universities {
    padding: 80px 0;
}

.universities h2 {
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-color);
}

.university-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.tab-button {
    padding: 10px 20px;
    margin: 0 10px 10px 0;
    background: none;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
}

.tab-button:hover, .tab-button.active {
    background-color: var(--primary-color);
    color: var(--white);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.university-logos {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 30px;
}

.university-logos img {
    height: 60px;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s;
}

.university-logos img:hover {
    filter: grayscale(0);
    opacity: 1;
}

/* 页脚 */
.footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    height: 60px;
    margin-bottom: 20px;
}

.footer-section h3 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-section p {
    margin-bottom: 10px;
    opacity: 0.8;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* 关于我们页面 */
.about-section {
    padding: 120px 0 80px;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 60px;
}

.about-text h3 {
    margin: 30px 0 15px;
    color: var(--primary-color);
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.team-section {
    margin-top: 60px;
}

.team-section h2 {
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-color);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.team-member {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    padding-bottom: 30px;
}

.team-member img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    margin-bottom: 20px;
}

.team-member h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* 成功案例页面 */
.success-section {
    padding: 120px 0 80px;
}

.subtitle {
    text-align: center;
    margin-bottom: 50px;
    color: var(--dark-gray);
}

.case-filter {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-button {
    padding: 8px 20px;
    margin: 0 10px 10px 0;
    background: none;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-button:hover, .filter-button.active {
    background-color: var(--primary-color);
    color: var(--white);
}

.case-studies {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.case-study {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 30px;
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    padding: 30px;
}

.case-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 5px;
}

.case-meta {
    color: var(--dark-gray);
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    margin-top: 15px;
}

.read-more:hover {
    text-decoration: underline;
}

.statistics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    margin-top: 60px;
    text-align: center;
}

.stat-item h4 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* 联系我们页面 */
.contact-section {
    padding: 120px 0 80px;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 60px;
}

.info-item {
    margin-bottom: 30px;
}

.info-item h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.contact-form {
    background-color: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-form h2 {
    margin-bottom: 30px;
    color: var(--primary-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-button {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 12px 30px;
    border-radius: 30px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.3s;
}

.submit-button:hover {
    background-color: #002244;
}

.map-section {
    margin-top: 60px;
}

.map-section h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.map-container {
    height: 400px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .about-content, .contact-content {
        grid-template-columns: 1fr;
    }
    
    .case-study {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero {
        padding: 150px 0 80px;
    }
}

@media (max-width: 480px) {
    .advantage-grid {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
}