/* 响应式设计 */

/* 大屏幕设备 (1200px及以上) */
@media (min-width: 1200px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-container {
        max-width: 1400px;
    }
    
    .nav-container {
        max-width: 1400px;
    }
}

/* 中等屏幕设备 (768px - 1199px) */
@media (max-width: 1199px) {
    .hero-container {
        gap: 40px;
    }
    
    .title-main {
        font-size: 2.5rem;
    }
    
    .title-sub {
        font-size: 1.25rem;
    }
    
    .title-local {
        font-size: 1.125rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .page-title {
        font-size: 2.5rem;
    }
}

/* 平板设备 (768px - 1023px) */
@media (max-width: 1023px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .intro-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .intro-stats {
        grid-template-columns: repeat(2, 1fr);
        max-width: 500px;
        margin: 0 auto;
    }
    
    .majors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .facilities-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        justify-content: flex-start;
    }
    
    .timeline-year {
        margin-right: 20px;
    }
    
    .timeline-content {
        margin: 0;
        max-width: none;
        flex: 1;
    }
    
    .faculty-highlights {
        grid-template-columns: 1fr;
    }
    
    .vision-content {
        grid-template-columns: 1fr;
    }
}

/* 手机设备 (最大宽度 767px) */
@media (max-width: 767px) {
    /* 导航栏 */
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 20px 0;
        gap: 20px;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    /* 英雄区域 */
    .hero {
        padding: 100px 0 60px;
    }
    
    .title-main {
        font-size: 2rem;
    }
    
    .title-sub {
        font-size: 1.125rem;
    }
    
    .title-local {
        font-size: 1rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .hero-visual {
        height: 250px;
    }
    
    .element {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    /* 通用样式 */
    .section-title {
        font-size: 1.75rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    /* 学校简介 */
    .intro {
        padding: 60px 0;
    }
    
    .intro-stats {
        grid-template-columns: 1fr;
        max-width: 300px;
    }
    
    /* 专业方向 */
    .majors {
        padding: 60px 0;
    }
    
    .majors-grid {
        grid-template-columns: 1fr;
    }
    
    .major-card {
        padding: 30px 20px;
    }
    
    /* 新闻 */
    .news-preview {
        padding: 60px 0;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .news-preview .section-header {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .category-tabs {
        gap: 8px;
    }
    
    .category-tab {
        padding: 8px 16px;
        font-size: 0.875rem;
    }
    
    /* 招生信息 */
    .admission-overview {
        padding: 60px 0;
    }
    
    .overview-grid {
        grid-template-columns: 1fr;
    }
    
    .overview-card {
        padding: 30px 20px;
    }
    
    .majors-tabs {
        grid-template-columns: 1fr;
    }
    
    .major-tab {
        padding: 20px;
    }
    
    .major-info h3 {
        font-size: 1.5rem;
    }
    
    .curriculum ul {
        grid-template-columns: 1fr;
    }
    
    .requirements-content {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .materials-list {
        grid-template-columns: 1fr;
    }
    
    .material-item {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
    
    /* 关于页面 */
    .history {
        padding: 60px 0;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-year {
        margin-right: 15px;
        padding: 8px 16px;
        font-size: 1rem;
    }
    
    .timeline-content {
        padding: 20px;
    }
    
    .faculty {
        padding: 60px 0;
    }
    
    .faculty-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .stat-card {
        padding: 20px 15px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .faculty-highlights {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .highlight-item {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
    
    .student-data {
        padding: 60px 0;
    }
    
    .data-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .data-card {
        padding: 30px 20px;
    }
    
    .data-number {
        font-size: 2.5rem;
    }
    
    .facilities {
        padding: 60px 0;
    }
    
    .facilities-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .facility-image {
        height: 200px;
    }
    
    .facility-content {
        padding: 20px;
    }
    
    .vision {
        padding: 60px 0;
    }
    
    .vision-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .vision-item {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
    
    .contact-info {
        padding: 60px 0;
    }
    
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .contact-card {
        padding: 30px 20px;
    }
    
    /* 页脚 */
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    /* 分页 */
    .pagination {
        gap: 4px;
    }
    
    .page-btn {
        padding: 8px 12px;
        font-size: 0.875rem;
    }
    
    /* 立即申请 */
    .apply-now {
        padding: 60px 0;
    }
    
    .apply-content h2 {
        font-size: 2rem;
    }
    
    .apply-now .btn {
        width: 100%;
        max-width: 300px;
    }
}

/* 小手机设备 (最大宽度 480px) */
@media (max-width: 480px) {
    .hero {
        padding: 80px 0 40px;
    }
    
    .title-main {
        font-size: 1.75rem;
    }
    
    .title-sub {
        font-size: 1rem;
    }
    
    .title-local {
        font-size: 0.875rem;
    }
    
    .hero-description {
        font-size: 0.875rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .page-title {
        font-size: 1.75rem;
    }
    
    .container {
        padding: 0 10px;
    }
    
    .intro-stats {
        max-width: 250px;
    }
    
    .stat-item {
        padding: 20px 15px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .major-card {
        padding: 25px 15px;
    }
    
    .overview-card {
        padding: 25px 15px;
    }
    
    .major-tab {
        padding: 15px;
    }
    
    .material-item {
        padding: 20px 15px;
    }
    
    .timeline-year {
        margin-right: 10px;
        padding: 6px 12px;
        font-size: 0.875rem;
    }
    
    .timeline-content {
        padding: 15px;
    }
    
    .faculty-stats {
        grid-template-columns: 1fr;
    }
    
    .data-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .news-category-badge {
        top: 10px;
        right: 10px;
        padding: 2px 8px;
        font-size: 0.625rem;
    }
    
    .news-content {
        padding: 20px 15px;
    }
    
    .news-title {
        font-size: 1.125rem;
    }
    
    .news-meta {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }
}

/* 超小手机设备 (最大宽度 360px) */
@media (max-width: 360px) {
    .title-main {
        font-size: 1.5rem;
    }
    
    .title-sub {
        font-size: 0.875rem;
    }
    
    .title-local {
        font-size: 0.75rem;
    }
    
    .hero-description {
        font-size: 0.75rem;
    }
    
    .section-title {
        font-size: 1.25rem;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.875rem;
    }
    
    .btn-large {
        padding: 14px 28px;
        font-size: 1rem;
    }
    
    .major-card {
        padding: 20px 10px;
    }
    
    .overview-card {
        padding: 20px 10px;
    }
    
    .material-item {
        padding: 15px 10px;
    }
    
    .timeline-content {
        padding: 12px;
    }
    
    .facility-content {
        padding: 15px;
    }
    
    .contact-card {
        padding: 25px 15px;
    }
}

/* 横屏模式优化 */
@media (orientation: landscape) and (max-height: 500px) {
    .hero {
        padding: 80px 0 40px;
    }
    
    .hero-container {
        gap: 30px;
    }
    
    .title-main {
        font-size: 2rem;
    }
    
    .hero-visual {
        height: 200px;
    }
    
    .element {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
}

/* 高分辨率屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo-img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
    
    .news-image img,
    .facility-image img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* 打印样式 */
@media print {
    .navbar,
    .nav-toggle,
    .hero-buttons,
    .footer,
    .social-links,
    .pagination {
        display: none !important;
    }
    
    .hero {
        padding: 20px 0;
    }
    
    .page-header {
        padding: 20px 0;
    }
    
    .section {
        padding: 20px 0;
        page-break-inside: avoid;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
    
    .news-card,
    .major-card,
    .facility-card {
        page-break-inside: avoid;
        border: 1px solid #ccc;
        margin-bottom: 20px;
    }
}

/* 无障碍优化 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .element {
        animation: none;
    }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #000080;
        --secondary-color: #000060;
        --text-primary: #000000;
        --text-secondary: #333333;
        --border-color: #000000;
        --bg-primary: #ffffff;
        --bg-secondary: #f0f0f0;
    }
    
    .btn {
        border: 2px solid currentColor;
    }
    
    .news-card,
    .major-card,
    .facility-card {
        border: 2px solid currentColor;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    :root {
        --primary-color: #60a5fa;
        --secondary-color: #3b82f6;
        --text-primary: #f9fafb;
        --text-secondary: #d1d5db;
        --text-light: #9ca3af;
        --bg-primary: #111827;
        --bg-secondary: #1f2937;
        --bg-accent: #1e3a8a;
        --border-color: #374151;
    }
    
    .navbar {
        background: rgba(17, 24, 39, 0.95);
        border-bottom-color: #374151;
    }
    
    .hero {
        background: linear-gradient(135deg, #1e3a8a 0%, #111827 100%);
    }
    
    .news-card:hover,
    .major-card:hover,
    .facility-card:hover {
        border-color: #60a5fa;
    }
}