/* 黄瓜视频 - 主样式表 */
/* 影视传媒公司+视频社区 - dvdny.cn */

:root {
    --primary-color: #ff6b9d;
    --secondary-color: #ff8fab;
    --accent-color: #ffc3d0;
    --dark-color: #2d2d2d;
    --light-color: #f8f9fa;
    --text-color: #333;
    --gradient-primary: linear-gradient(135deg, #ff6b9d 0%, #ff8fab 50%, #ffc3d0 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-color);
}

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

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部导航 */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

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

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    font-size: 16px;
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

/* 搜索框 */
.search-bar {
    background: linear-gradient(135deg, #f5f5f5 0%, #fff 100%);
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

.search-container {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 12px 50px 12px 20px;
    border: 2px solid #eee;
    border-radius: 25px;
    font-size: 15px;
    outline: none;
    transition: border-color 0.3s ease;
}

.search-input:focus {
    border-color: var(--primary-color);
}

.search-btn {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--gradient-primary);
    border: none;
    padding: 10px 20px;
    border-radius: 20px;
    color: #fff;
    cursor: pointer;
    font-size: 14px;
    transition: transform 0.3s ease;
}

.search-btn:hover {
    transform: translateY(-50%) scale(1.05);
}

/* Hero区域 */
.hero {
    background: var(--gradient-primary);
    padding: 60px 0;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-text h1 {
    font-size: 42px;
    margin-bottom: 20px;
    line-height: 1.3;
}

.hero-text p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.95;
}

.hero-btn {
    display: inline-block;
    background: #fff;
    color: var(--primary-color);
    padding: 15px 35px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 16px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    color: var(--primary-color);
}

.hero-image img {
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

/* 视频卡片 */
.video-section {
    padding: 60px 0;
}

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

.section-title h2 {
    font-size: 32px;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.section-title p {
    color: #666;
    font-size: 16px;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.video-card {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.video-thumb {
    position: relative;
    padding-top: 56.25%;
    overflow: hidden;
}

.video-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(255,107,157,0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.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-card:hover .play-btn {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
}

.video-info {
    padding: 15px;
}

.video-info h3 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--dark-color);
    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: 13px;
}

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

.video-stats span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 特色模块 */
.features {
    background: #fff;
    padding: 60px 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-item {
    text-align: center;
    padding: 30px 20px;
    border-radius: 15px;
    background: var(--light-color);
    transition: transform 0.3s ease;
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
    color: #fff;
}

.feature-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.feature-item p {
    color: #666;
    font-size: 14px;
}

/* 专家展示 */
.experts {
    padding: 60px 0;
    background: linear-gradient(135deg, #ffeef3 0%, #fff 100%);
}

.expert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.expert-card {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

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

.expert-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
    border: 4px solid var(--accent-color);
}

.expert-card h3 {
    font-size: 20px;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.expert-title {
    color: var(--primary-color);
    font-size: 14px;
    margin-bottom: 15px;
}

.expert-card p {
    color: #666;
    font-size: 14px;
    margin-bottom: 20px;
}

.expert-btn {
    display: inline-block;
    padding: 10px 25px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 20px;
    font-size: 14px;
    transition: transform 0.3s ease;
}

.expert-btn:hover {
    transform: scale(1.05);
    color: #fff;
}

/* 用户评价 */
.reviews {
    padding: 60px 0;
    background: #fff;
}

.review-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.review-card {
    background: var(--light-color);
    padding: 25px;
    border-radius: 15px;
    position: relative;
}

.review-card::before {
    content: '"';
    position: absolute;
    top: 15px;
    left: 20px;
    font-size: 60px;
    color: var(--accent-color);
    font-family: serif;
    line-height: 1;
}

.review-content {
    padding-top: 30px;
    color: #555;
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

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

.author-info h4 {
    font-size: 16px;
    color: var(--dark-color);
}

.author-info span {
    color: #999;
    font-size: 13px;
}

/* 合作品牌 */
.partners {
    padding: 60px 0;
    background: var(--light-color);
}

.partner-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
}

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

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

/* 联系我们 */
.contact {
    padding: 60px 0;
    background: #fff;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-icon {
    width: 45px;
    height: 45px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 16px;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.contact-item p {
    color: #666;
    font-size: 14px;
}

.qr-codes {
    display: flex;
    gap: 30px;
}

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

.qr-item img {
    width: 150px;
    height: 150px;
    border-radius: 10px;
    margin-bottom: 10px;
}

.qr-item p {
    font-size: 14px;
    color: #666;
}

/* 页脚 */
.footer {
    background: var(--dark-color);
    color: #fff;
    padding: 50px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand img {
    height: 40px;
    margin-bottom: 15px;
}

.footer-brand p {
    color: #aaa;
    font-size: 14px;
    line-height: 1.8;
}

.footer-links h4 {
    font-size: 16px;
    margin-bottom: 20px;
    color: #fff;
}

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

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

.footer-links a {
    color: #aaa;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #888;
    font-size: 13px;
}

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

.social-links a {
    width: 35px;
    height: 35px;
    background: #444;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: background 0.3s ease;
}

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

/* FAQ */
.faq {
    padding: 60px 0;
    background: var(--light-color);
}

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

.faq-item {
    background: #fff;
    margin-bottom: 15px;
    border-radius: 10px;
    overflow: hidden;
}

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

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

.faq-answer {
    padding: 0 20px 20px;
    color: #666;
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 15px 0;
    background: #f5f5f5;
    font-size: 14px;
}

.breadcrumb a {
    color: #666;
}

.breadcrumb span {
    color: var(--primary-color);
}

/* 内页样式 */
.page-header {
    background: var(--gradient-primary);
    padding: 50px 0;
    color: #fff;
    text-align: center;
}

.page-header h1 {
    font-size: 36px;
    margin-bottom: 10px;
}

.page-header p {
    font-size: 16px;
    opacity: 0.9;
}

.page-content {
    padding: 50px 0;
}

/* 工具卡片 */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.tool-card {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

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

.tool-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 36px;
    color: #fff;
}

.tool-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.tool-card p {
    color: #666;
    font-size: 14px;
    margin-bottom: 20px;
}

.tool-btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 25px;
    font-size: 14px;
    transition: transform 0.3s ease;
}

.tool-btn:hover {
    transform: scale(1.05);
    color: #fff;
}

/* 社区样式 */
.community-banner {
    position: relative;
    height: 300px;
    overflow: hidden;
}

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

.community-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.6));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-align: center;
}

.community-overlay h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

.community-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 40px 0;
}

.community-feature {
    background: #fff;
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.community-feature h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.community-feature p {
    color: #666;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-image {
        order: -1;
    }
    
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .expert-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tool-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .community-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-menu {
        gap: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-text h1 {
        font-size: 28px;
    }
    
    .section-title h2 {
        font-size: 24px;
    }
    
    .feature-grid,
    .expert-grid,
    .review-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .tool-grid {
        grid-template-columns: 1fr;
    }
    
    .community-features {
        grid-template-columns: 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 */
.lazy-load {
    background: #f0f0f0;
    transition: opacity 0.3s ease;
}

.lazy-load.loaded {
    background: transparent;
}