/* 响应式设计 - 移动端适配 */

/* 大屏幕设备 (1200px 以上) */
@media (min-width: 1200px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-title h1 {
        font-size: 8rem;
    }
    
    .teams-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 中等屏幕设备 (768px - 1199px) */
@media (max-width: 1199px) {
    .events-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    
    .hero-robot {
        right: 5%;
        width: 250px;
        height: 320px;
    }
}

/* 平板设备 (768px - 1023px) */
@media (max-width: 1023px) {
    .nav-menu {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(15px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 40px;
        z-index: 999;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-link {
        font-size: 1.5rem;
        padding: 20px 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .teams-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .team-card {
        padding: 20px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
}

/* 手机设备 (最大 767px) */
@media (max-width: 767px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .container {
        padding: 0 15px;
    }
    
    /* 导航栏移动端优化 */
    .navbar {
        padding: 12px 0;
    }
    
    .nav-container {
        padding: 0 15px;
    }
    
    .logo-container {
        gap: 10px;
    }
    
    .logo-icon {
        width: 40px;
        height: 40px;
        font-size: 14px;
    }
    
    .logo-main {
        font-size: 20px;
    }
    
    .logo-sub {
        font-size: 10px;
    }
    
    /* 英雄区域移动端优化 */
    .hero {
        height: 100vh;
        padding: 80px 0 0;
    }
    
    .hero-content {
        padding: 0 15px;
    }
    
    .hero-title h1 {
        font-size: clamp(2.5rem, 12vw, 4rem);
        margin-bottom: 15px;
    }
    
    .subtitle {
        font-size: 1rem;
        letter-spacing: 1px;
        margin-bottom: 20px;
    }
    
    .hero-desc {
        font-size: 1rem;
        margin-bottom: 30px;
    }
    
    .hero-buttons {
        gap: 15px;
    }
    
    .hero-robot {
        display: none; /* 在手机端隐藏机器人图形 */
    }
    
    /* 章节标题移动端优化 */
    .section-title {
        margin-bottom: 40px;
    }
    
    .title-text {
        font-size: 2rem;
    }
    
    .title-line {
        width: 60px;
    }
    
    /* 赛事信息移动端优化 */
    .events {
        padding: 60px 0;
    }
    
    .events-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .event-card {
        padding: 20px;
    }
    
    .event-header h3 {
        font-size: 1.5rem;
    }
    
    .info-item {
        flex-direction: column;
        gap: 5px;
        text-align: left;
    }
    
    /* 战队展示移动端优化 */
    .teams {
        padding: 60px 0;
    }
    
    .teams-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .team-card {
        padding: 25px 20px;
    }
    
    .team-avatar {
        width: 80px;
        height: 80px;
        margin-bottom: 15px;
    }
    
    .team-name {
        font-size: 1.3rem;
    }
    
    .team-stats {
        gap: 20px;
    }
    
    /* 新闻资讯移动端优化 */
    .news {
        padding: 60px 0;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .news-card.featured {
        grid-row: span 1;
    }
    
    .news-image {
        height: 150px;
    }
    
    .news-content {
        padding: 20px;
    }
    
    .news-title {
        font-size: 1.1rem;
    }
    
    .news-meta {
        flex-direction: column;
        gap: 5px;
    }
    
    /* 联系我们移动端优化 */
    .contact {
        padding: 60px 0;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .contact-item {
        gap: 15px;
        margin-bottom: 25px;
    }
    
    .contact-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
    
    .contact-form input,
    .contact-form textarea {
        padding: 12px;
        font-size: 16px; /* 防止iOS缩放 */
    }
    
    /* 页脚移动端优化 */
    .footer {
        padding: 40px 0 15px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 25px;
        text-align: center;
        justify-items: center; /* Added for centering grid items */
    }

    .footer-section {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer-section .logo-container {
        justify-content: center;
    }
    
    .footer-section {
        margin-bottom: 20px;
    }
    
    .social-links {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .footer-bottom {
        padding-top: 15px;
        font-size: 0.9rem;
    }
}

/* 超小屏幕设备 (最大 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    .nav-container {
        padding: 0 10px;
    }
    
    .hero-content {
        padding: 0 10px;
    }
    
    .hero-title h1 {
        font-size: clamp(2rem, 10vw, 3rem);
    }
    
    .subtitle {
        font-size: 0.9rem;
    }
    
    .hero-desc {
        font-size: 0.95rem;
    }
    
    .title-text {
        font-size: 1.8rem;
    }
    
    .event-card,
    .team-card,
    .news-card {
        padding: 15px;
    }
    
    .contact-form {
        padding: 20px 15px;
    }
    
    .btn {
        padding: 10px 25px;
        font-size: 0.9rem;
    }
}

/* 横屏手机优化 */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        height: auto;
        min-height: 100vh;
        padding: 100px 0 50px;
    }
    
    .hero-title h1 {
        font-size: 3rem;
        margin-bottom: 10px;
    }
    
    .subtitle {
        font-size: 1rem;
        margin-bottom: 15px;
    }
    
    .hero-desc {
        font-size: 0.9rem;
        margin-bottom: 20px;
    }
    
    .hero-buttons {
        gap: 10px;
    }
    
    .btn {
        padding: 8px 20px;
    }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .btn:hover {
        transform: none;
    }
    
    .btn:active {
        transform: scale(0.98);
    }
    
    .event-card:hover,
    .team-card:hover,
    .news-card:hover {
        transform: none;
    }
    
    .event-card:active,
    .team-card:active,
    .news-card:active {
        transform: scale(0.98);
    }
    
    .nav-link:hover::after {
        width: 0;
    }
    
    .nav-link:active::after {
        width: 100%;
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    :root {
        --text-secondary: #E0E0E0;
        --text-muted: #B0B0B0;
        --bg-card: #333333;
        --bg-secondary: #2A2A2A;
    }
    
    .btn-secondary {
        border-width: 3px;
    }
    
    .event-card,
    .team-card,
    .news-card {
        border-width: 2px;
    }
}

/* 减少动画模式支持 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .glitch::before,
    .glitch::after {
        animation: none;
    }
    
    .circuit-pattern {
        animation: none;
    }
    
    .energy-field,
    .energy-pulse {
        animation: none;
    }
    
    .logo-icon::before {
        animation: none;
    }
}

/* 深色模式检测 (虽然网站本身就是深色主题) */
@media (prefers-color-scheme: light) {
    /* 如果用户偏好浅色模式，可以在这里添加相应的调整 */
    /* 当前保持深色主题不变，因为符合科技未来感的设计要求 */
}