/* 全局样式重置和基础设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 主色调 - 基于红绿蓝配色方案 */
    --primary-red: #E53E3E;
    --primary-green: #38A169;
    --primary-blue: #3182CE;
    
    /* 辅助色彩 */
    --light-red: #FED7D7;
    --light-green: #C6F6D5;
    --light-blue: #BEE3F8;
    
    /* 深色变体 */
    --dark-red: #C53030;
    --dark-green: #2F855A;
    --dark-blue: #2C5282;
    
    /* 中性色 */
    --white: #FFFFFF;
    --gray-50: #F7FAFC;
    --gray-100: #EDF2F7;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E0;
    --gray-400: #A0AEC0;
    --gray-500: #718096;
    --gray-600: #4A5568;
    --gray-700: #2D3748;
    --gray-800: #1A202C;
    --gray-900: #171923;
    
    /* 字体 */
    --font-primary: 'Noto Sans SC', 'Inter', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* 阴影 */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-logo .logo {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-blue);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-red), var(--primary-green), var(--primary-blue));
    transition: width 0.3s ease;
}

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

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

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--gray-700);
    margin: 3px 0;
    transition: 0.3s;
}

/* 首页全屏大图轮播 */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-carousel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.carousel-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.carousel-track {
    width: 100%;
    height: 100%;
    position: relative;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
}

.hero-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

/* 轮播导航点 */
.carousel-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 1001;
    pointer-events: auto;
}

.dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    pointer-events: auto;
    position: relative;
    z-index: 1002;
}

.dot:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.1);
}

.dot.active {
    background: var(--white);
    border-color: rgba(255, 255, 255, 0.8);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* 轮播箭头按钮 */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    color: var(--white);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1000;
    backdrop-filter: blur(10px);
    pointer-events: auto;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.8);
    transform: translateY(-50%) scale(1.1);
}

/* 调试样式 - 让按钮更明显 */
.carousel-btn:focus {
    outline: 2px solid yellow;
}

/* 确保按钮在所有情况下都可点击 */

.carousel-btn-prev {
    left: 30px;
}

.carousel-btn-next {
    right: 30px;
}

/* 轮播暂停指示器 */
.carousel-pause-indicator {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 10;
}

.hero-carousel:hover .carousel-pause-indicator {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(49, 130, 206, 0.7) 0%, 
        rgba(56, 161, 105, 0.6) 50%, 
        rgba(229, 62, 62, 0.7) 100%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: var(--white);
    z-index: 5;
    max-width: 800px;
    padding: 0 var(--spacing-sm);
    position: relative;
    pointer-events: none;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-secondary);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-description {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-description-en {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xl);
    font-weight: 300;
    font-style: normal;
    font-family: var(--font-secondary);
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.5s both;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.6s both;
    pointer-events: auto;
}

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1.1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-blue);
    transform: translateY(-2px);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
    cursor: pointer;
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* 通用章节样式 */
section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--primary-red), var(--primary-green), var(--primary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* 关于我们部分 */
.about {
    background: var(--gray-50);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    color: var(--gray-600);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.feature-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
}

.feature-card:nth-child(1) .feature-icon {
    background: linear-gradient(135deg, var(--primary-red), var(--light-red));
}

.feature-card:nth-child(2) .feature-icon {
    background: linear-gradient(135deg, var(--primary-green), var(--light-green));
}

.feature-card:nth-child(3) .feature-icon {
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
}

.feature-card:nth-child(4) .feature-icon {
    background: linear-gradient(135deg, var(--primary-red), var(--primary-blue));
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-800);
}

.feature-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

/* 课程体系部分 */
.programs {
    background: var(--white);
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.program-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--gray-200);
}

.program-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-blue);
}

.program-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
}

.program-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--gray-800);
}

.program-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* 校园环境部分 */
.campus {
    background: var(--gray-50);
}

.campus-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.campus-text h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--gray-800);
}

.campus-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    color: var(--gray-600);
}

.campus-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.highlight-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.highlight-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.highlight-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--gray-800);
}

.highlight-content p {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.5;
}

.campus-images {
    width: 100%;
}

.campus-image-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    height: 100%;
}

.campus-image-item {
    position: relative;
    overflow: hidden;
    border-radius: 0;
    box-shadow: none;
    transition: transform 0.3s ease;
}

.campus-image-item:hover {
    transform: scale(1.02);
}

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

.campus-image-item:hover img {
    transform: scale(1.05);
}

/* 第一张图片占两列 */
.campus-image-item:first-child {
    grid-column: span 2;
}

.campus-image-item:first-child img {
    height: 100%;
}

/* 招生信息部分 */
.admissions {
    background: var(--white);
}

.admissions-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.admissions-info h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--gray-800);
}

.admissions-list {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

.admissions-list li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-200);
    color: var(--gray-600);
    position: relative;
    padding-left: var(--spacing-lg);
}

.admissions-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: bold;
}

.admissions-process h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--gray-800);
}

.process-steps {
    display: flex;
    gap: var(--spacing-md);
}

.step {
    flex: 1;
    text-align: center;
}

.step-number {
    display: block;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-green));
    color: var(--white);
    border-radius: 50%;
    line-height: 40px;
    font-weight: bold;
    margin: 0 auto var(--spacing-sm);
}

.step-text {
    font-size: 0.9rem;
    color: var(--gray-600);
}

.admissions-form {
    background: var(--gray-50);
    padding: var(--spacing-xl);
    border-radius: 15px;
    box-shadow: var(--shadow-md);
}

.admissions-form h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--gray-800);
    text-align: center;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: var(--font-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* 联系我们部分 */
.contact {
    background: var(--gray-50);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    margin-right: var(--spacing-md);
}

.contact-details h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--gray-800);
}

.contact-details p {
    color: var(--gray-600);
}

.contact-map {
    background: var(--gray-200);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    color: var(--gray-500);
    font-size: 1.2rem;
}

.map-placeholder {
    text-align: center;
}

.map-placeholder i {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    display: block;
}

/* 页脚 */
.footer {
    background: var(--gray-800);
    color: var(--white);
    padding: var(--spacing-xl) 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

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

.footer-info p {
    color: var(--gray-300);
    margin-bottom: var(--spacing-xs);
}

/* 备案号样式 */
.footer-info .icp-info {
    font-size: 0.85rem;
    color: var(--gray-400);
    margin-top: var(--spacing-sm);
    margin-bottom: 0;
}

.footer-info .icp-info a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-info .icp-info a:hover {
    color: var(--gray-300);
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-md);
        padding: var(--spacing-lg) 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .language-switcher {
        order: 1;
        margin-left: auto;
        margin-right: var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-description {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content,
    .campus-content,
    .admissions-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .campus-image-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 4px;
    }
    
    .campus-image-item:first-child {
        grid-column: span 2;
    }
    
    .campus-highlights {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .programs-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    /* 轮播图移动端适配 */
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .carousel-btn-prev {
        left: 15px;
    }
    
    .carousel-btn-next {
        right: 15px;
    }
    
    .carousel-dots {
        bottom: 20px;
        gap: 8px;
    }
    
    .dot {
        width: 10px;
        height: 10px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .feature-card,
    .program-card {
        padding: var(--spacing-md);
    }
    
    .campus-image-grid {
        grid-template-columns: 1fr;
        gap: 4px;
    }
    
    .campus-image-item:first-child {
        grid-column: span 1;
    }
    
    .campus-image-item img {
        height: 200px;
    }
}

/* 语言切换功能样式 - 使用属性选择器方案 */
/* 默认隐藏英文内容，但排除语言切换按钮 */
[data-lang="en"]:not(.lang-btn) {
    display: none !important;
}

/* 当页面语言为英文时，显示英文内容，隐藏中文内容 */
html[data-page-lang="en"] [data-lang="zh"]:not(.lang-btn) {
    display: none !important;
}

html[data-page-lang="en"] [data-lang="en"]:not(.lang-btn) {
    display: block !important;
}

html[data-page-lang="en"] span[data-lang="en"]:not(.lang-btn) {
    display: inline !important;
}

.language-switcher {
    display: flex;
    gap: 8px;
    align-items: center;
}

.lang-btn {
    padding: 8px 16px;
    background: transparent;
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    font-family: var(--font-primary);
}

.lang-btn:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.lang-btn.active {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: var(--white);
    border-color: transparent;
}

.lang-btn.active:hover {
    transform: scale(1.05);
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 加载动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}