/* 草莓视频 网站样式表 - gxy312.cn */

/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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: #fff;
}

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

/* 头部样式 */
header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: white;
}

.logo img {
    height: 50px;
    margin-right: 15px;
}

.logo h1 {
    font-size: 24px;
    font-weight: 700;
}

/* 导航样式 */
nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

nav a:hover {
    opacity: 0.8;
}

/* 面包屑导航 */
.breadcrumb {
    background: #f8f9fa;
    padding: 10px 0;
    font-size: 14px;
    color: #666;
}

.breadcrumb a {
    color: #667eea;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* 搜索框样式 */
.search-container {
    background: rgba(255,255,255,0.1);
    padding: 20px 0;
    text-align: center;
}

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

.search-box input {
    width: 100%;
    padding: 12px 50px 12px 20px;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    outline: none;
}

.search-box button {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 8px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 500;
}

/* Hero区域 */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
}

.hero h2 {
    font-size: 42px;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-image {
    max-width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    margin-top: 30px;
}

/* 视频网格 */
.video-section {
    padding: 60px 0;
}

.section-title {
    font-size: 32px;
    margin-bottom: 30px;
    text-align: center;
    color: #333;
    font-weight: 700;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.video-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
    position: relative;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.video-thumbnail {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    overflow: hidden;
    background: #f0f0f0;
}

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

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

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

.play-button::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 20px solid #667eea;
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    margin-left: 5px;
}

.video-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(255, 0, 0, 0.8);
    color: white;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    z-index: 2;
}

.video-info {
    padding: 20px;
}

.video-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
    font-weight: 600;
}

.video-info p {
    font-size: 14px;
    color: #666;
    margin-bottom: 10px;
}

.video-stats {
    display: flex;
    gap: 15px;
    font-size: 14px;
    color: #999;
}

.tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.tag {
    background: #e8eaf6;
    color: #667eea;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 500;
}

/* 功能模块 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: scale(1.05);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.feature-card p {
    font-size: 16px;
    opacity: 0.9;
}

/* 专家团队 */
.experts-section {
    background: #f8f9fa;
    padding: 60px 0;
}

.experts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.expert-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.expert-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 20px;
    border: 5px solid #667eea;
}

.expert-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #333;
}

.expert-card .title {
    color: #667eea;
    font-weight: 600;
    margin-bottom: 15px;
}

.expert-card p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 社区功能 */
.community-section {
    padding: 60px 0;
}

/* 合作品牌 */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.partner-box {
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    color: #333;
    transition: all 0.3s ease;
}

.partner-box:hover {
    border-color: #667eea;
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
}

/* 联系我们 */
.contact-section {
    background: #f8f9fa;
    padding: 60px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.contact-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.contact-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #667eea;
}

.contact-card p {
    font-size: 16px;
    color: #666;
    margin-bottom: 10px;
    line-height: 1.8;
}

.qr-code {
    width: 150px;
    height: 150px;
    background: #f0f0f0;
    margin: 20px auto;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
}

/* 底部 */
footer {
    background: #2c3e50;
    color: white;
    padding: 40px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #667eea;
}

.footer-section p,
.footer-section a {
    font-size: 14px;
    color: #bbb;
    text-decoration: none;
    display: block;
    margin-bottom: 8px;
}

.footer-section a:hover {
    color: white;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: #667eea;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: background 0.3s;
}

.social-links a:hover {
    background: #764ba2;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444;
    color: #999;
    font-size: 14px;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    nav ul {
        flex-wrap: wrap;
        gap: 15px;
        justify-content: center;
    }
    
    .hero h2 {
        font-size: 32px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .video-grid,
    .experts-grid,
    .features-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* 加载动画 */
.lazy {
    opacity: 0;
    transition: opacity 0.3s;
}

.lazy.loaded {
    opacity: 1;
}


/* 专家操作按钮 */
.expert-actions {
    margin-top: 15px;
    display: flex;
    gap: 10px;
    justify-content: center;
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-small:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-small.btn-outline {
    background: transparent;
    border: 1px solid #667eea;
    color: #667eea;
}

.btn-small.btn-outline:hover {
    background: #667eea;
    color: white;
}

/* 合作伙伴Logo墙 */
.partners-section {
    padding: 60px 0;
    background: white;
}

.partner-logo {
    background: #f8f9fa;
    padding: 20px;
    text-align: center;
    border-radius: 8px;
    font-weight: 600;
    color: #666;
    transition: all 0.3s ease;
}

.partner-logo:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateY(-3px);
}

/* 加入指南 */
.guide-section {
    padding: 60px 0;
}

.guide-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.guide-step {
    text-align: center;
    padding: 30px 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin: 0 auto 15px;
}

.guide-step h3 {
    color: #333;
    margin-bottom: 10px;
}

.guide-step p {
    color: #666;
    font-size: 14px;
}

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

.faq-item {
    background: white;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.faq-item h4 {
    color: #667eea;
    margin-bottom: 10px;
}

.faq-item p {
    color: #666;
    line-height: 1.6;
}

/* 用户评价 */
.reviews-section {
    padding: 60px 0;
    background: white;
}

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

.review-card {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 12px;
    border-left: 4px solid #667eea;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.reviewer-name {
    font-weight: 600;
    color: #333;
}

.review-rating {
    color: #ffc107;
}

.review-text {
    color: #666;
    font-style: italic;
    margin-bottom: 15px;
    line-height: 1.6;
}

.review-meta {
    font-size: 12px;
    color: #999;
}

/* 分享按钮 */
.share-section {
    padding: 40px 0;
}

.share-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.share-btn {
    padding: 12px 25px;
    border-radius: 25px;
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.share-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.share-weixin { background: #07C160; }
.share-weibo { background: #E6162D; }
.share-douyin { background: #000000; }
.share-bilibili { background: #FB7299; }
.share-qq { background: #12B7F5; }

/* 联系我们二维码图片 */
.qr-code-img {
    width: 120px;
    height: 120px;
    margin: 10px auto;
    display: block;
    border-radius: 8px;
}

/* 响应式优化 */
@media (max-width: 992px) {
    .guide-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .guide-steps {
        grid-template-columns: 1fr;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .share-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .share-btn {
        width: 200px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .expert-actions {
        flex-direction: column;
    }
}