/* 红萝莉app - 影视传媒视频社区 外部样式表 */
/* txtxbook.com */

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

a:hover {
    color: #e74c3c;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 头部导航样式 */
.header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 45px;
    width: auto;
}

.logo-text {
    color: #fff;
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 25px;
}

.nav-menu li a {
    color: #fff;
    font-size: 1rem;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    background: #e74c3c;
    color: #fff;
}

/* 搜索框样式 */
.search-bar {
    background: #16213e;
    padding: 15px 0;
    border-bottom: 1px solid #2a2a4a;
}

.search-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.search-input {
    width: 100%;
    max-width: 500px;
    padding: 12px 20px;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    background: #fff;
    outline: none;
}

.search-btn {
    padding: 12px 25px;
    background: #e74c3c;
    color: #fff;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s ease;
}

.search-btn:hover {
    background: #c0392b;
}

/* 面包屑导航 */
.breadcrumb {
    background: #fff;
    padding: 12px 0;
    border-bottom: 1px solid #eee;
}

.breadcrumb-list {
    display: flex;
    list-style: none;
    gap: 10px;
    font-size: 0.9rem;
}

.breadcrumb-list li::after {
    content: ">";
    margin-left: 10px;
    color: #999;
}

.breadcrumb-list li:last-child::after {
    content: "";
}

/* Hero Banner 样式 */
.hero-banner {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.hero-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to right, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.3) 100%);
    display: flex;
    align-items: center;
}

.hero-content {
    color: #fff;
    padding: 0 50px;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    line-height: 1.3;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 25px;
    opacity: 0.9;
}

.hero-btn {
    display: inline-block;
    padding: 15px 35px;
    background: #e74c3c;
    color: #fff;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: bold;
    transition: all 0.3s ease;
}

.hero-btn:hover {
    background: #c0392b;
    transform: translateY(-2px);
    color: #fff;
}

/* 区块标题样式 */
.section {
    padding: 60px 0;
}

.section-light {
    background: #fff;
}

.section-dark {
    background: #1a1a2e;
    color: #fff;
}

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

.section-title h2 {
    font-size: 2rem;
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #e74c3c;
}

.section-title p {
    color: #666;
    font-size: 1rem;
    margin-top: 15px;
}

.section-dark .section-title p {
    color: #aaa;
}

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

.video-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.video-thumbnail {
    position: relative;
    height: 180px;
    overflow: hidden;
}

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

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

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(231, 76, 60, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.play-btn::after {
    content: "";
    width: 0;
    height: 0;
    border-left: 18px solid #fff;
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    margin-left: 5px;
}

.video-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0,0,0,0.8);
    color: #fff;
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 0.8rem;
}

.video-info {
    padding: 15px;
}

.video-info h3 {
    font-size: 1rem;
    margin-bottom: 10px;
    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;
    color: #999;
    font-size: 0.85rem;
}

.video-stats {
    display: flex;
    gap: 15px;
}

.video-stats span {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* 分类标签样式 */
.category-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 30px;
}

.category-tag {
    padding: 8px 20px;
    background: #f0f0f0;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.category-tag:hover,
.category-tag.active {
    background: #e74c3c;
    color: #fff;
}

/* 专家展示样式 */
.expert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.expert-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    padding: 30px;
}

.expert-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 20px;
    border: 4px solid #e74c3c;
}

.expert-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.expert-card h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.expert-title {
    color: #e74c3c;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.expert-desc {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.expert-btns {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.expert-btn {
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.expert-btn-primary {
    background: #e74c3c;
    color: #fff;
}

.expert-btn-secondary {
    background: #f0f0f0;
    color: #333;
}

.expert-btn:hover {
    transform: translateY(-2px);
}

/* 功能模块样式 */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px;
}

.feature-card {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: #fff;
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.feature-card p {
    color: #666;
    font-size: 0.9rem;
}

/* 用户评价样式 */
.review-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 25px;
}

.review-card {
    background: #fff;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

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

.review-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #e74c3c;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
    font-weight: bold;
}

.review-user h4 {
    font-size: 1rem;
    margin-bottom: 3px;
}

.review-stars {
    color: #f39c12;
    font-size: 0.9rem;
}

.review-content {
    color: #555;
    font-size: 0.95rem;
    line-height: 1.7;
}

/* 合作品牌墙 */
.partner-wall {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
    align-items: center;
}

.partner-logo {
    height: 50px;
    opacity: 0.6;
    transition: opacity 0.3s ease;
    filter: grayscale(100%);
}

.partner-logo:hover {
    opacity: 1;
    filter: grayscale(0%);
}

/* FAQ样式 */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: #fff;
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

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

.faq-question:hover {
    background: #f8f9fa;
}

.faq-answer {
    padding: 0 20px 20px;
    color: #666;
    line-height: 1.7;
}

/* 联系我们样式 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.contact-card {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.contact-card h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: #e74c3c;
}

.contact-info {
    color: #666;
    font-size: 0.95rem;
    line-height: 2;
}

.qr-code {
    width: 150px;
    height: 150px;
    margin: 0 auto;
    border-radius: 8px;
    overflow: hidden;
}

.qr-code img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 社交分享样式 */
.social-share {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
}

.share-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.share-btn:hover {
    transform: translateY(-3px);
}

.share-wechat { background: #07c160; }
.share-weibo { background: #e6162d; }
.share-douyin { background: #000; }
.share-bilibili { background: #00a1d6; }

/* 页脚样式 */
.footer {
    background: #1a1a2e;
    color: #fff;
    padding: 50px 0 20px;
}

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

.footer-col h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: #e74c3c;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #aaa;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #e74c3c;
}

.footer-qr {
    display: flex;
    gap: 20px;
}

.footer-qr-item {
    text-align: center;
}

.footer-qr-item img {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    margin-bottom: 8px;
}

.footer-qr-item p {
    font-size: 0.8rem;
    color: #aaa;
}

.footer-bottom {
    border-top: 1px solid #2a2a4a;
    padding-top: 20px;
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

.footer-bottom p {
    margin-bottom: 5px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .nav-menu {
        gap: 15px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-banner {
        height: 400px;
    }
    
    .hero-content {
        padding: 0 20px;
    }
    
    .hero-content h1 {
        font-size: 1.5rem;
    }
    
    .section {
        padding: 40px 0;
    }
    
    .section-title h2 {
        font-size: 1.5rem;
    }
    
    .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .review-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 1.2rem;
    }
    
    .nav-menu li a {
        padding: 6px 10px;
        font-size: 0.9rem;
    }
    
    .hero-banner {
        height: 300px;
    }
    
    .hero-content h1 {
        font-size: 1.3rem;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .expert-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
}

/* 懒加载占位样式 */
.lazy-load {
    background: #f0f0f0;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* 视频播放器容器 */
.video-player-container {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background: #000;
    border-radius: 12px;
    overflow: hidden;
}

.video-player-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 直播标签 */
.live-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: #e74c3c;
    color: #fff;
    padding: 3px 10px;
    border-radius: 3px;
    font-size: 0.75rem;
    font-weight: bold;
    animation: livePulse 1.5s infinite;
}

@keyframes livePulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* 工具卡片样式 */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.tool-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    color: #fff;
    transition: all 0.3s ease;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.tool-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.tool-card p {
    font-size: 0.85rem;
    opacity: 0.9;
}

/* 社区帖子样式 */
.post-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.post-item {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    display: flex;
    gap: 15px;
}

.post-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.post-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.post-content {
    flex: 1;
}

.post-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.post-author {
    font-weight: bold;
}

.post-time {
    color: #999;
    font-size: 0.85rem;
}

.post-text {
    color: #555;
    line-height: 1.7;
    margin-bottom: 15px;
}

.post-actions {
    display: flex;
    gap: 20px;
    color: #999;
    font-size: 0.9rem;
}

.post-action {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    transition: color 0.3s ease;
}

.post-action:hover {
    color: #e74c3c;
}