/* 影视天堂 - 主样式文件 */
/* 2026年SEO优化版本 - 移动端优先设计 */

:root {
    --primary-color: #dc2626;
    --primary-dark: #b91c1c;
    --secondary-color: #1e3a8a;
    --accent-color: #f59e0b;
    --bg-dark: #111827;
    --bg-card: #1f2937;
    --bg-light: #374151;
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    --border-color: #4b5563;
    --success-color: #10b981;
    --warning-color: #f59e0b;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.8;
    min-height: 100vh;
}

/* 容器 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 头部导航 - 非sticky */
.site-header {
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-card) 100%);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 10px;
}

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

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 1px;
}

/* 主导航 */
.main-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.nav-link {
    display: inline-block;
    padding: 10px 16px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.3s ease;
    background: transparent;
}

.nav-link:hover,
.nav-link.active {
    background: var(--primary-color);
    color: white;
}

.nav-link-cta {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    font-weight: 600;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    background: var(--primary-color);
    border: none;
    color: white;
    padding: 10px 15px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.2rem;
}

/* Hero区域 */
.hero-section {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 15px;
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.95), rgba(30, 58, 138, 0.9)), url('../images/hero-banner.webp') center/cover no-repeat;
}

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

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.3;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-btns {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(220, 38, 38, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(220, 38, 38, 0.5);
}

.btn-secondary {
    background: var(--bg-light);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

/* 面包屑导航 */
.breadcrumb {
    padding: 15px 0;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    gap: 8px;
    font-size: 0.9rem;
}

.breadcrumb-item a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

.breadcrumb-item a:hover {
    color: var(--primary-color);
}

.breadcrumb-item.active {
    color: var(--text-primary);
}

.breadcrumb-separator {
    color: var(--text-muted);
}

/* 区块标题 */
.section {
    padding: 50px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-primary);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* 视频卡片网格 */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.video-card {
    background: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-color);
}

.video-thumb {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.video-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.video-card:hover .video-thumb img {
    transform: scale(1.05);
}

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(220, 38, 38, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.video-card:hover .video-play-btn {
    opacity: 1;
}

.video-play-btn::after {
    content: '';
    border-style: solid;
    border-width: 10px 0 10px 18px;
    border-color: transparent transparent transparent white;
    margin-left: 4px;
}

.video-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
}

.video-info {
    padding: 18px;
}

.video-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.video-views,
.video-date {
    display: flex;
    align-items: center;
    gap: 5px;
}

.video-rating {
    display: flex;
    align-items: center;
    gap: 3px;
    color: var(--accent-color);
}

/* 视频播放器 */
.video-player-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 25px;
}

.video-player {
    width: 100%;
    height: 100%;
}

/* 关于我们 */
.about-section {
    background: linear-gradient(135deg, var(--bg-card), var(--bg-dark));
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.about-text p {
    margin-bottom: 20px;
    text-align: justify;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.feature-item {
    background: var(--bg-light);
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s;
}

.feature-item:hover {
    transform: translateY(-3px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.feature-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.feature-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* FAQ区域 */
.faq-section {
    background: var(--bg-dark);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.faq-question {
    padding: 20px 25px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s;
}

.faq-question:hover {
    background: var(--bg-light);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: transform 0.3s;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 25px 20px;
    max-height: 500px;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* 用户评论 */
.reviews-section {
    background: linear-gradient(135deg, var(--secondary-color), var(--bg-dark));
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 25px;
}

.review-card {
    background: var(--bg-card);
    padding: 25px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.review-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.review-author {
    flex: 1;
}

.review-name {
    font-weight: 600;
    font-size: 1rem;
}

.review-location {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.review-rating {
    color: var(--accent-color);
    font-size: 1.1rem;
}

.review-content {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 15px;
}

.review-date {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* 支付方式 */
.payment-section {
    background: var(--bg-card);
    padding: 40px 0;
}

.payment-methods {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    align-items: center;
}

.payment-icon {
    height: 40px;
    width: auto;
    filter: grayscale(0.3);
    transition: filter 0.3s;
}

.payment-icon:hover {
    filter: grayscale(0);
}

/* 授权信息 */
.license-section {
    background: var(--bg-dark);
    text-align: center;
    padding: 50px 0;
}

.license-badge {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
}

.license-text {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 客户支持 */
.support-section {
    background: linear-gradient(135deg, var(--bg-card), var(--bg-light));
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.support-item {
    background: var(--bg-dark);
    padding: 30px;
    border-radius: 16px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: border-color 0.3s;
}

.support-item:hover {
    border-color: var(--primary-color);
}

.support-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.support-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.support-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* APP下载页面 */
.app-section {
    min-height: 80vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-dark), var(--secondary-color));
}

.app-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.app-info h1 {
    font-size: 2.2rem;
    margin-bottom: 20px;
}

.app-info p {
    color: var(--text-secondary);
    margin-bottom: 15px;
    line-height: 1.8;
}

.app-features {
    margin: 30px 0;
}

.app-feature {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    padding: 15px;
    background: var(--bg-card);
    border-radius: 10px;
}

.app-feature-icon {
    font-size: 1.5rem;
}

.app-download-btns {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.app-preview {
    text-align: center;
}

.app-preview img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

/* 页脚 */
.site-footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 50px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s;
    font-size: 1.2rem;
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-badges {
    display: flex;
    align-items: center;
    gap: 15px;
}

.age-badge {
    width: 50px;
    height: 50px;
}

/* 负责任观影 */
.responsible-section {
    background: var(--bg-dark);
    border-top: 3px solid var(--warning-color);
}

.responsible-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.responsible-content h3 {
    color: var(--warning-color);
    margin-bottom: 20px;
}

.responsible-content p {
    color: var(--text-secondary);
    margin-bottom: 15px;
}

/* 响应式设计 - 移动端优先 */
@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        text-align: center;
    }
    
    .main-nav {
        width: 100%;
        justify-content: center;
        display: none;
    }
    
    .main-nav.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-desc {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .app-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .app-preview {
        order: -1;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease forwards;
}

/* 懒加载占位 */
img[loading="lazy"] {
    background: var(--bg-light);
}

/* 打印样式 */
@media print {
    .site-header,
    .site-footer,
    .hero-btns {
        display: none;
    }
}