/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a5f7a;
    --secondary-color: #159895;
    --accent-color: #57c5b6;
    --light-color: #e8f6f3;
    --dark-color: #1a252f;
    --text-color: #333;
    --text-light: #666;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #1a5f7a 0%, #159895 100%);
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient);
    border-radius: 2px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.15);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 40px;
    width: auto;
}

.logo span {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
    font-size: 0.95rem;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: width 0.3s ease;
}

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

.nav-links a:hover::after {
    width: 100%;
}

/* 语言切换按钮 */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 1rem;
    padding: 0.3rem 0.8rem;
    background: var(--light-color);
    border-radius: 20px;
}

.lang-btn {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    color: var(--secondary-color);
}

.lang-btn.active {
    color: var(--white);
    background: var(--gradient);
}

.lang-divider {
    color: var(--text-light);
    font-size: 0.8rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: all 0.3s ease;
}

/* 首页横幅 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f5f7fa 0%, #e8f6f3 100%);
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: var(--gradient);
    opacity: 0.05;
    clip-path: polygon(30% 0, 100% 0, 100% 100%, 0% 100%);
}

.hero-content {
    flex: 1;
    padding: 0 5%;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.hero-content .subtitle {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-weight: 300;
    letter-spacing: 3px;
}

.hero-content .company-name {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.hero-content .hero-desc {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    max-width: 500px;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--gradient);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(26, 95, 122, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(26, 95, 122, 0.4);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

/* 公司简介 */
.about {
    padding: 100px 0;
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
}

.about-vision {
    background: var(--light-color);
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid var(--secondary-color);
}

.about-vision h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.about-vision p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 关于我们 - 教师培训 */
.about-training,
.about-resources {
    margin: 3rem 0;
    background: var(--light-color);
    padding: 2.5rem;
    border-radius: 20px;
}

.about-subtitle {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    padding-left: 1rem;
    border-left: 4px solid var(--secondary-color);
}

.training-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.training-text p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
}

/* 关于我们 - 教师国际交流与培训 - 图片样式 */
.about-training .training-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 0;
}

.about-training .training-gallery .gallery-item {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.about-training .training-gallery .gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.about-training .training-gallery .gallery-item img {
    width: 100%;
    height: auto;
    max-height: 320px;
    object-fit: contain;
    display: block;
}

.about-training .training-gallery .gallery-item p {
    padding: 0.8rem;
    text-align: center;
    color: var(--text-color);
    font-weight: 400;
    font-size: 0.85rem;
}

/* 科技培训与交流项目 - 图片样式 */
.tech-project .training-content .training-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 0;
}

.tech-project .training-content .training-gallery .gallery-item {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.tech-project .training-content .training-gallery .gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.tech-project .training-content .training-gallery .gallery-item img {
    width: 100%;
    height: auto;
    max-height: 300px;
    object-fit: contain;
    display: block;
}

.tech-project .training-content .training-gallery .gallery-item p {
    padding: 1rem;
    text-align: center;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
}

.training-gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.training-gallery .gallery-item {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.training-gallery .gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.training-gallery .gallery-item img {
    width: 100%;
    height: auto;
    max-height: 280px;
    object-fit: contain;
    display: block;
}

.training-gallery .gallery-item p {
    padding: 0.8rem;
    text-align: center;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.9rem;
}

.resources-content p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: 15px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 团队介绍 */
.team {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e8f6f3 100%);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.team-member {
    background: var(--white);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.member-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 1.5rem;
    border: 4px solid var(--accent-color);
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-member h3 {
    color: var(--primary-color);
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.member-title {
    color: var(--secondary-color);
    font-weight: 500;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.member-desc {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* 建设成果 */
.achievements {
    padding: 100px 0;
    background: var(--white);
}

.achievement-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.2rem;
    color: var(--text-light);
    line-height: 1.8;
}

.achievement-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--gradient);
    color: var(--white);
    border-radius: 15px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

.achievement-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.achievement-card {
    background: var(--light-color);
    padding: 2rem;
    border-radius: 15px;
    border-top: 4px solid var(--secondary-color);
}

.achievement-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.achievement-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* 国际合作 */
.cooperation {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e8f6f3 100%);
}

.cooperation-section {
    margin-bottom: 4rem;
}

.cooperation-title {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 2rem;
    padding-left: 1rem;
    border-left: 4px solid var(--secondary-color);
}

.cooperation-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.cooperation-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
}

.cooperation-card h4 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.cooperation-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 0.8rem;
}

.cooperation-gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.gallery-item {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.gallery-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.gallery-item p {
    padding: 1rem;
    text-align: center;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.9rem;
}

/* 粤港澳大湾区活动展示样式 */
.gba-activities {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid var(--light-color);
}

.activity-section {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    margin-bottom: 2.5rem;
}

.activity-section:last-child {
    margin-bottom: 0;
}

.activity-title {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

.activity-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--gradient);
}

.activity-content {
    margin-bottom: 2rem;
}

.activity-content p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 1rem;
}

.activity-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.activity-gallery .gallery-item {
    background: var(--light-color);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.activity-gallery .gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.activity-gallery .gallery-item img {
    height: 180px;
    object-fit: contain;
}

.activity-gallery .gallery-item p {
    padding: 1rem;
    text-align: center;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.9rem;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .activity-gallery {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1rem;
    }
    
    .activity-section {
        padding: 1.5rem;
    }
    
    .activity-title {
        font-size: 1.3rem;
    }
}

/* 一带一路合作 */
.belt-road-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.belt-road-intro h4,
.belt-road-achievements h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.belt-road-intro p,
.belt-road-achievements ul {
    color: var(--text-light);
    line-height: 1.8;
}

.belt-road-achievements ul {
    list-style: none;
    padding: 0;
}

.belt-road-achievements li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.belt-road-achievements li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

.cooperation-modes {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    margin-bottom: 2rem;
}

.cooperation-modes h4 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

/* 广州职业技术大学中老教育合作 */
.gzpt-laos-cooperation {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 2.5rem;
    border-radius: 20px;
    margin-top: 3rem;
    border-left: 5px solid var(--secondary-color);
}

.gzpt-laos-cooperation h4 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.gzpt-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    align-items: start;
}

.gzpt-intro p {
    color: var(--text-light);
    line-height: 1.9;
    margin-bottom: 1.2rem;
    text-align: justify;
}

.gzpt-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.gzpt-gallery .gallery-item {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.gzpt-gallery .gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.gzpt-gallery .gallery-item img {
    width: 100%;
    height: auto;
    max-height: 140px;
    object-fit: contain;
    display: block;
}

.gzpt-gallery .gallery-item p {
    padding: 0.8rem;
    text-align: center;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.85rem;
}

/* 右上角小图片画廊 */
.gzpt-side-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    align-content: start;
}

.gzpt-side-gallery .gallery-item {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.gzpt-side-gallery .gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.gzpt-side-gallery .gallery-item img {
    width: 100%;
    height: auto;
    max-height: 160px;
    object-fit: contain;
    display: block;
}

.gzpt-side-gallery .gallery-item p {
    padding: 0.6rem;
    text-align: center;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.8rem;
}

/* 开学典礼大合影 - 单独一行放大展示 */
.ceremony-highlight {
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.ceremony-highlight .gallery-item {
    width: 100%;
}

.ceremony-highlight .gallery-item img {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: contain;
    display: block;
    border-radius: 10px;
}

.ceremony-highlight .gallery-item p {
    padding: 1rem;
    text-align: center;
    color: var(--text-color);
    font-weight: 600;
    font-size: 1rem;
    margin-top: 0.5rem;
}

.modes-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.mode-item {
    background: var(--light-color);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    color: var(--primary-color);
    font-weight: 500;
}

/* 鲁班工坊 */
.luban-content {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
}

.luban-intro {
    margin-bottom: 2rem;
}

.luban-intro p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.luban-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.luban-item h4 {
    color: var(--secondary-color);
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
}

.luban-item p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 诗译中国项目内容 */
.poetry-project-section {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    margin: 2.5rem 0;
}

.poetry-project-section .project-title {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

.poetry-project-section .project-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient);
}

.poetry-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.poetry-text p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.poetry-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.poetry-gallery .gallery-item {
    background: var(--light-color);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.poetry-gallery .gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.poetry-gallery .gallery-item img {
    width: 100%;
    height: 180px;
    object-fit: contain;
    display: block;
}

.poetry-gallery .gallery-item p {
    padding: 1rem;
    text-align: center;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.9rem;
    margin: 0;
}

/* 中东合作 */
.middle-east-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.middle-east-services h4,
.middle-east-partners h4 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.services-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.service-tag {
    background: var(--gradient);
    color: var(--white);
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    font-size: 0.9rem;
}

.partner-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.partner-item {
    background: var(--light-color);
    padding: 1.2rem;
    border-radius: 10px;
    border-left: 3px solid var(--secondary-color);
}

.partner-item h5 {
    color: var(--primary-color);
    font-size: 1rem;
}

/* 合作机构 */
.partner-institutions {
    margin-top: 4rem;
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
}

.partner-institutions h3 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.institution-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.institution {
    background: var(--gradient);
    color: var(--white);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* 合作案例 */
.cases {
    padding: 100px 0;
    background: var(--white);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.case-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.case-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.case-card:hover .case-image img {
    transform: scale(1.05);
}

.case-content {
    padding: 1.5rem;
}

.case-content h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.case-content p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* 明烨丝路斋 */
.mingye {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e8f6f3 100%);
}

.mingye-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.2rem;
    color: var(--text-light);
    line-height: 1.8;
}

.mingye-services h3 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.service-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.service-item {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 3px solid var(--secondary-color);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.06);
}

.service-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
}

.service-item p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

.mingye-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-box {
    text-align: center;
    padding: 2rem;
    background: var(--gradient);
    color: var(--white);
    border-radius: 15px;
}

.feature-box h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.feature-box p {
    font-size: 0.95rem;
    opacity: 0.95;
    line-height: 1.6;
}

/* 核心服务 */
.services {
    padding: 100px 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.service-card {
    background: var(--light-color);
    padding: 2.5rem;
    border-radius: 20px;
    border-top: 4px solid var(--secondary-color);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.8;
}

.training-services {
    background: linear-gradient(135deg, #f8fafc 0%, #e8f6f3 100%);
    padding: 3rem;
    border-radius: 20px;
}

.training-services h3 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.training-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.training-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.06);
}

.training-item h4 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.training-item p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 科技教育 */
.technology {
    padding: 100px 0;
    background: var(--white);
}

.section-subtitle {
    text-align: center;
    color: var(--secondary-color);
    font-size: 1.3rem;
    margin-top: -2rem;
    margin-bottom: 3rem;
}

.tech-intro {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 3rem;
    font-size: 1.2rem;
    color: var(--text-light);
    line-height: 1.8;
}

.tech-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.tech-stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--gradient);
    color: var(--white);
    border-radius: 15px;
}

.tech-stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.tech-stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

.tech-project {
    margin-bottom: 4rem;
    background: var(--light-color);
    padding: 3rem;
    border-radius: 20px;
}

.project-title {
    color: var(--primary-color);
    font-size: 1.6rem;
    margin-bottom: 2rem;
    padding-left: 1rem;
    border-left: 4px solid var(--secondary-color);
}

.project-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.project-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.feature-item {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.06);
}

.feature-item h4 {
    color: var(--secondary-color);
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
}

.feature-item p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

.project-gallery {
    display: flex;
    justify-content: center;
    align-items: center;
}

.project-gallery .gallery-item {
    width: 100%;
}

.project-gallery .gallery-item img {
    width: 100%;
    height: auto;
    border-radius: 15px;
}

.project-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.info-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.06);
}

.info-card h4 {
    color: var(--secondary-color);
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
}

.info-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* 科技竞赛成果 */
.tech-achievements {
    margin-bottom: 4rem;
}

.achievements-content {
    background: var(--light-color);
    padding: 3rem;
    border-radius: 20px;
}

.achievement-highlight {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.highlight-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.06);
}

.highlight-card h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.highlight-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

.competition-gallery {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
}

.competition-gallery .gallery-item img {
    height: 150px;
}

/* 青少年创客纽约访问交流 - 图片完整展示 */
.exchange-gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.exchange-gallery .gallery-item {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.exchange-gallery .gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.exchange-gallery .gallery-item img {
    width: 100%;
    height: auto;
    max-height: 280px;
    object-fit: contain;
    display: block;
}

.exchange-gallery .gallery-item p {
    padding: 1rem;
    text-align: center;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.9rem;
}

/* AI课程图片画廊 */
.ai-course-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.ai-course-gallery .gallery-item {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.ai-course-gallery .gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.ai-course-gallery .gallery-item img {
    width: 100%;
    height: auto;
    max-height: 200px;
    object-fit: contain;
    display: block;
}

.ai-course-gallery .gallery-item p {
    padding: 1rem;
    text-align: center;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.9rem;
}

.ai-intro {
    text-align: center;
    margin-bottom: 2rem;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    color: var(--white);
}

.ai-intro h4 {
    color: var(--white);
    font-size: 1.2rem;
    margin: 0;
}

/* AI课程 */
.ai-course-content {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
}

.ai-features h4 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.ai-feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.ai-feature-item {
    background: var(--light-color);
    padding: 1.5rem;
    border-radius: 12px;
}

.ai-feature-item h5 {
    color: var(--secondary-color);
    margin-bottom: 0.8rem;
    font-size: 1rem;
}

.ai-feature-item p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

.ai-results h4 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.results-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.result-item {
    background: var(--gradient);
    color: var(--white);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-size: 0.95rem;
}

/* 学校交流 */
.school-exchange {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.school-category {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
}

.school-category h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.school-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.school-tag {
    background: var(--light-color);
    color: var(--text-color);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
}

/* 培训内容 */
.training-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.training-info p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.expert-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.expert-item {
    background: var(--white);
    padding: 1.2rem;
    border-radius: 10px;
    border-left: 3px solid var(--secondary-color);
}

.expert-item h5 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.expert-item p {
    color: var(--text-light);
    font-size: 0.85rem;
    margin-bottom: 0;
}

/* 人文合作 */
.humanities {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e8f6f3 100%);
}

.humanities-intro {
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    margin-bottom: 3rem;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
}

.humanities-intro h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.humanities-intro p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.humanities-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.humanities-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.humanities-card h4 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.humanities-card p {
    color: var(--text-light);
    line-height: 1.7;
}

.cooperation-schools {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    margin-bottom: 2rem;
}

.cooperation-schools h4 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.school-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.school-item {
    background: var(--gradient);
    color: var(--white);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-size: 0.95rem;
}

.expert-team {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
}

.expert-team h4 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.expert-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.expert-card {
    background: var(--light-color);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
}

.expert-card h5 {
    color: var(--secondary-color);
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
}

.expert-card p {
    color: var(--text-light);
    font-size: 0.85rem;
    line-height: 1.5;
}

/* 科技与佛法 */
.tech-buddhism {
    margin-top: 3rem;
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
}

.tb-content {
    max-width: 800px;
}

.tb-text p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
}

/* 联系我们 */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a5f7a 0%, #159895 100%);
    color: var(--white);
}

.contact .section-title {
    color: var(--white);
}

.contact .section-title::after {
    background: var(--accent-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.contact-info p {
    margin-bottom: 2rem;
    opacity: 0.9;
}

.contact-details p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    border: none;
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: 2px solid var(--accent-color);
}

.submit-btn {
    padding: 1rem 2rem;
    background: var(--accent-color);
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    background: var(--white);
    color: var(--primary-color);
}

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

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo img {
    height: 300px;
    margin-bottom: 1rem;
    filter: brightness(1.1) contrast(1.05);
    transition: all 0.3s ease;
}

.footer-logo-img {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px 20px;
    border-radius: 12px;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.footer-logo-img:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.25);
}

.footer-logo img:hover {
    filter: brightness(1.2) contrast(1.1);
}

.footer-logo p {
    opacity: 0.8;
}

.footer-links h4,
.footer-social h4 {
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

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

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.social-icons a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .nav-links {
        gap: 1rem;
    }
    
    .nav-links a {
        font-size: 0.85rem;
    }
}

@media (max-width: 1024px) {
    .features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .achievement-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .achievement-features {
        grid-template-columns: 1fr;
    }
    
    .cooperation-grid {
        grid-template-columns: 1fr;
    }
    
    .cooperation-gallery {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .belt-road-content,
    .middle-east-content {
        grid-template-columns: 1fr;
    }
    
    .luban-features {
        grid-template-columns: 1fr;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .service-list {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .mingye-features {
        grid-template-columns: 1fr;
    }
    
    .services-grid,
    .training-grid {
        grid-template-columns: 1fr;
    }
    
    /* 科技教育响应式 */
    .tech-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .project-content {
        grid-template-columns: 1fr;
    }
    
    .project-features {
        grid-template-columns: 1fr;
    }
    
    .project-info {
        grid-template-columns: 1fr;
    }
    
    .achievement-highlight {
        grid-template-columns: 1fr;
    }
    
    .competition-gallery {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .ai-feature-grid {
        grid-template-columns: 1fr;
    }
    
    .school-exchange {
        grid-template-columns: 1fr;
    }
    
    .training-content {
        grid-template-columns: 1fr;
    }
    
    .training-gallery {
        grid-template-columns: 1fr;
    }
    
    .about-training,
    .about-resources {
        padding: 1.5rem;
    }
    
    /* 人文合作响应式 */
    .humanities-features {
        grid-template-columns: 1fr;
    }
    
    .expert-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
    }
    
    .nav-links.active {
        transform: translateY(0);
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 100px;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content .subtitle {
        font-size: 1.5rem;
    }
    
    .hero-content .hero-desc {
        max-width: 100%;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .achievement-stats {
        grid-template-columns: 1fr;
    }
    
    .cooperation-gallery {
        grid-template-columns: 1fr;
    }
    
    .service-list {
        grid-template-columns: 1fr;
    }
    
    .modes-grid {
        flex-direction: column;
    }
    
    .mode-item {
        text-align: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-icons {
        justify-content: center;
    }
    
    /* 科技教育移动端 */
    .tech-stats {
        grid-template-columns: 1fr;
    }
    
    .tech-project {
        padding: 1.5rem;
    }
    
    .project-title {
        font-size: 1.3rem;
    }
    
    .competition-gallery {
        grid-template-columns: 1fr;
    }
    
    .results-grid {
        flex-direction: column;
    }
    
    .result-item {
        text-align: center;
    }
    
    /* 人文合作移动端 */
    .humanities-intro {
        padding: 1.5rem;
    }
    
    .expert-grid {
        grid-template-columns: 1fr;
    }
    
    .school-grid {
        flex-direction: column;
    }
    
    .school-item {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.8rem;
    }
    
    .cooperation-title {
        font-size: 1.2rem;
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .institution-list {
        flex-direction: column;
        align-items: center;
    }
    
    .institution {
        width: 100%;
        text-align: center;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .tech-stat-number {
        font-size: 2rem;
    }
    
    .project-title {
        font-size: 1.1rem;
    }
}