/* 京剧文化多语种网站样式 */

/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 中国风色彩体系 */
    --color-primary: #D32F2F;      /* 故宫红 */
    --color-primary-light: #F44336;
    --color-gold: #FFD700;         /* 帝王金 */
    --color-black: #212121;        /* 水墨黑 */
    --color-white: #FAFAFA;        /* 宣纸白 */
    --color-blue: #1976D2;         /* 青花蓝 */
    --color-gray: #757575;
    --color-gray-light: #BDBDBD;
    --color-bg: #FFF8E1;           /* 暖色调背景 */
    
    /* 字体设置 */
    --font-serif: 'Noto Serif SC', serif;
    --font-sans: 'Noto Sans SC', sans-serif;
    
    /* 间距 */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    
    /* 阴影 */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--color-black);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* 头部样式 */
.header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-black) 100%);
    color: var(--color-white);
    padding: var(--space-md) 0;
    position: relative;
    box-shadow: var(--shadow-md);
}

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

.logo h1 {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    color: var(--color-gold);
}

.logo span {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* 语言选择器 */
.language-switcher {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.language-dropdown {
    position: relative;
}

.current-lang {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--color-white);
    padding: var(--space-sm) var(--space-md);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.current-lang:hover {
    background: rgba(255, 255, 255, 0.2);
}

.language-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--color-white);
    border-radius: 4px;
    box-shadow: var(--shadow-lg);
    list-style: none;
    min-width: 120px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.language-dropdown:hover .language-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-menu li a {
    display: block;
    padding: var(--space-sm) var(--space-md);
    color: var(--color-black);
    text-decoration: none;
    transition: all 0.3s ease;
}

.language-menu li a:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

/* 主视觉区域 */
.hero {
    position: relative;
    height: 60vh;
    min-height: 400px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--color-primary) 0%, var(--color-black) 50%, var(--color-blue) 100%);
    opacity: 0.8;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dragon" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="2" fill="%23FFD700" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23dragon)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--color-white);
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.hero h2 {
    font-family: var(--font-serif);
    font-size: 3rem;
    margin-bottom: var(--space-sm);
    color: var(--color-gold);
}

.hero h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-lg);
    opacity: 0.9;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: var(--space-xl);
    opacity: 0.9;
    line-height: 1.8;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
}

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

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* 语言选择区域 */
.language-section {
    padding: var(--space-xl) 0;
    background: var(--color-white);
}

.language-section h2 {
    text-align: center;
    font-family: var(--font-serif);
    font-size: 2.5rem;
    margin-bottom: var(--space-xl);
    color: var(--color-primary);
}

.language-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.language-card {
    background: var(--color-white);
    border-radius: 8px;
    padding: var(--space-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--color-gray-light);
}

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

.flag {
    width: 80px;
    height: 60px;
    margin: 0 auto var(--space-md);
    border-radius: 4px;
    position: relative;
}

.flag.zh {
    background: linear-gradient(to bottom, #DE2910 33%, #FFDE00 33%, #FFDE00 66%, #DE2910 66%);
}

.flag.en {
    background: linear-gradient(
        to bottom,
        #B31942 25%, white 25%, white 50%, #B31942 50%, #B31942 75%, white 75%
    );
}

.flag.ja {
    background: white;
}

.flag.ja::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    background: #BC002D;
    border-radius: 50%;
}

.flag.fr {
    background: linear-gradient(to right, #002395 33%, white 33%, white 66%, #ED2939 66%);
}

.flag.es {
    background: linear-gradient(to bottom, #AA151B 25%, #F1BF00 25%, #F1BF00 75%, #AA151B 75%);
}

.language-card h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    color: var(--color-black);
}

.language-card p {
    color: var(--color-gray);
    margin-bottom: var(--space-md);
}

.language-card .btn {
    background: var(--color-primary);
    color: var(--color-white);
    width: 100%;
}

.language-card .btn:hover {
    background: var(--color-primary-light);
}

/* 特色内容区域 */
.features {
    padding: var(--space-xl) 0;
    background: var(--color-bg);
}

.features h2 {
    text-align: center;
    font-family: var(--font-serif);
    font-size: 2.5rem;
    margin-bottom: var(--space-xl);
    color: var(--color-primary);
}

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

.feature-item {
    text-align: center;
    padding: var(--space-lg);
    background: var(--color-white);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.feature-item h3 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    margin-bottom: var(--space-sm);
    color: var(--color-black);
}

.feature-item p {
    color: var(--color-gray);
    line-height: 1.6;
}

/* 底部样式 */
.footer {
    background: var(--color-black);
    color: var(--color-white);
    padding: var(--space-xl) 0 var(--space-lg);
}

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

.footer-section h4 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    color: var(--color-gold);
}

.footer-section h5 {
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
    color: var(--color-gold);
}

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

.footer-section ul li {
    margin-bottom: var(--space-xs);
}

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

.footer-section ul li a:hover {
    opacity: 1;
}

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

/* 内容页面样式 */
.main-nav {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-light);
    box-shadow: var(--shadow-sm);
}

.nav-menu {
    display: flex;
    list-style: none;
    justify-content: center;
    gap: var(--space-lg);
    padding: var(--space-md) 0;
}

.nav-menu li a {
    color: var(--color-black);
    text-decoration: none;
    font-weight: 500;
    padding: var(--space-sm) var(--space-md);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.nav-menu li a:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.content-section {
    padding: var(--space-xl) 0;
}

.bg-light {
    background: var(--color-white);
}

.content-section h2 {
    text-align: center;
    font-family: var(--font-serif);
    font-size: 2.5rem;
    margin-bottom: var(--space-xl);
    color: var(--color-primary);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.content-card {
    background: var(--color-white);
    padding: var(--space-lg);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all 0.3s ease;
}

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

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.content-card h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
    color: var(--color-black);
}

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

.art-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

.art-item {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: var(--space-lg);
    align-items: start;
}

.art-image {
    font-size: 4rem;
    text-align: center;
}

.art-content h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
    color: var(--color-primary);
}

.art-content ul {
    list-style: none;
    margin-top: var(--space-md);
}

.art-content ul li {
    margin-bottom: var(--space-sm);
    padding-left: var(--space-md);
    position: relative;
}

.art-content ul li:before {
    content: '•';
    color: var(--color-primary);
    position: absolute;
    left: 0;
}

.repertoire-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.play-card {
    background: var(--color-white);
    padding: var(--space-lg);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

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

.play-card h3 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    margin-bottom: var(--space-md);
    color: var(--color-primary);
}

.play-card p {
    color: var(--color-gray);
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.play-meta {
    display: flex;
    gap: var(--space-md);
    font-size: 0.9rem;
    color: var(--color-gray-light);
}

.latest-content {
    background: var(--color-white);
    padding: var(--space-lg);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-lg);
}

/* 响应式设计 - 增强移动端适配 */
@media (max-width: 1024px) {
    .hero h2 {
        font-size: 2.5rem;
    }
    
    .hero h3 {
        font-size: 1.4rem;
    }
    
    .language-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .content-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
    
    .logo {
        margin-bottom: var(--space-sm);
    }
    
    .language-switcher {
        justify-content: center;
    }
    
    .hero {
        height: 60vh;
        min-height: 400px;
        padding: var(--space-xl) 0;
    }
    
    .hero h2 {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .hero h3 {
        font-size: 1.2rem;
        line-height: 1.3;
    }
    
    .hero p {
        font-size: 1rem;
        line-height: 1.5;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--space-md);
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
    
    .language-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .nav-menu {
        flex-direction: column;
        gap: var(--space-sm);
        padding: var(--space-sm) 0;
    }
    
    .nav-menu li a {
        display: block;
        padding: var(--space-md) var(--space-lg);
        font-size: 1rem;
    }
    
    .art-item {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-md);
    }
    
    .art-image {
        margin-bottom: var(--space-md);
        font-size: 3rem;
    }
    
    .play-meta {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
    
    .repertoire-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .container {
        padding: 0 var(--space-md);
    }
    
    /* 移动端触控优化 */
    .content-card,
    .play-card {
        padding: var(--space-lg);
        margin: 0;
        min-height: auto;
    }
    
    /* 改善移动端滚动体验 */
    html {
        -webkit-overflow-scrolling: touch;
    }
    
    body {
        touch-action: manipulation;
    }
}

@media (max-width: 480px) {
    .hero {
        height: 50vh;
        min-height: 300px;
        padding: var(--space-lg) 0;
    }
    
    .hero h2 {
        font-size: 1.8rem;
        margin-bottom: var(--space-sm);
    }
    
    .hero h3 {
        font-size: 1.1rem;
        margin-bottom: var(--space-md);
    }
    
    .hero p {
        font-size: 0.95rem;
        margin-bottom: var(--space-lg);
    }
    
    .language-section h2,
    .features h2,
    .content-section h2 {
        font-size: 1.8rem;
        margin-bottom: var(--space-lg);
    }
    
    .content-card {
        padding: var(--space-md);
    }
    
    .card-icon {
        font-size: 2.5rem;
        margin-bottom: var(--space-sm);
    }
    
    .content-card h3 {
        font-size: 1.3rem;
        margin-bottom: var(--space-sm);
    }
    
    .content-card p {
        font-size: 0.9rem;
        line-height: 1.5;
    }
    
    /* 超小屏幕优化 */
    .language-switcher a {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.9rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
    
    /* 改善移动端输入体验 */
    input, textarea, select {
        font-size: 16px; /* 防止iOS缩放 */
    }
}

@media (max-width: 320px) {
    .hero h2 {
        font-size: 1.5rem;
    }
    
    .hero h3 {
        font-size: 1rem;
    }
    
    .container {
        padding: 0 var(--space-sm);
    }
    
    .content-card,
    .play-card {
        padding: var(--space-md);
    }
}

/* 横屏适配 */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        height: auto;
        min-height: 100vh;
        padding: var(--space-xl) 0;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: row;
        justify-content: center;
        gap: var(--space-md);
    }
}

/* 高DPI屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .btn {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* 减少动画（用户偏好） */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 移动端触控优化增强 */
@media (max-width: 768px) {
    /* 改善移动端按钮触摸体验 */
    .btn, .language-card, .content-card, .play-card {
        min-height: 44px;
        min-width: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* 优化移动端滚动性能 */
    .language-section, .features, .content-section {
        -webkit-overflow-scrolling: touch;
        overflow-scrolling: touch;
    }
    
    /* 改善移动端文本渲染 */
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        text-rendering: optimizeLegibility;
    }
    
    /* 优化移动端图片加载 */
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    
    /* 防止移动端缩放 */
    input, select, textarea {
        font-size: 16px;
    }
    
    /* 优化移动端表格显示 */
    table {
        width: 100%;
        overflow-x: auto;
        display: block;
    }
    
    /* 移动端表单优化 */
    form input, form select, form textarea {
        width: 100%;
        box-sizing: border-box;
    }
    
    /* 改善移动端导航体验 */
    .nav-menu li a {
        display: block;
        padding: 15px 20px;
        font-size: 1.1rem;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    /* 优化移动端搜索框 */
    .search-box {
        width: 100%;
        margin: 10px 0;
    }
}

/* 超小屏幕优化增强 */
@media (max-width: 320px) {
    .container {
        padding: 0 10px;
    }
    
    .hero h2 {
        font-size: 1.4rem;
        line-height: 1.3;
    }
    
    .hero h3 {
        font-size: 1rem;
        line-height: 1.2;
    }
    
    .language-card, .content-card {
        padding: 15px;
        margin: 8px 0;
    }
    
    .btn {
        padding: 10px 15px;
        font-size: 0.9rem;
    }
}

/* 横屏模式优化 */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        padding: 20px 0;
        min-height: 100vh;
    }
    
    .hero-content {
        padding: 20px;
    }
    
    .language-grid, .feature-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
}

/* 高性能设备优化 */
@media (prefers-reduced-motion: no-preference) and (min-width: 1024px) {
    .language-card, .feature-item, .content-card {
        transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
}

/* 打印样式优化 */
@media print {
    .header, .footer, .nav-menu {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .container {
        width: 100%;
        margin: 0;
        padding: 0;
    }
}

/* 黑暗模式支持 */
@media (prefers-color-scheme: dark) {
    :root {
        --color-white: #1a1a1a;
        --color-black: #ffffff;
        --color-gray: #b3b3b3;
        --color-gray-light: #404040;
        --color-gray-lightest: #2d2d2d;
    }
    
    .content-card,
    .play-card {
        background: #2d2d2d;
        color: #ffffff;
    }
    
    .bg-light {
        background: #1a1a1a;
    }
}