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

:root {
    --primary-color: #ff4757;
    --secondary-color: #ff6b81;
    --dark-color: #2f3542;
    --light-color: #f1f2f6;
    --text-color: #333;
    --border-radius: 12px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "微软雅黑", sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: #fff;
}

/* 头部导航 */
header {
    background: linear-gradient(135deg, #ff4757 0%, #ff6b81 100%);
    color: white;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 15px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: white;
}

.logo img {
    height: 50px;
    width: auto;
}

.logo-text {
    font-size: 24px;
    font-weight: bold;
}

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

nav a {
    color: white;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: opacity 0.3s;
    padding: 8px 15px;
    border-radius: 6px;
}

nav a:hover {
    background: rgba(255,255,255,0.2);
}

/* 搜索框 */
.search-container {
    background: white;
    padding: 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.search-wrapper {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.search-box {
    width: 100%;
    padding: 15px 50px 15px 20px;
    border: 2px solid #ddd;
    border-radius: 50px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.search-box:focus {
    outline: none;
    border-color: var(--primary-color);
}

.search-btn {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 25px;
    border-radius: 50px;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.3s;
}

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

/* 主要内容区 */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
}

.section {
    margin-bottom: 60px;
}

.section-title {
    font-size: 32px;
    margin-bottom: 30px;
    color: var(--dark-color);
    position: relative;
    padding-left: 20px;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 30px;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
}

/* 轮播图 */
.hero-slider {
    position: relative;
    height: 500px;
    overflow: hidden;
    border-radius: var(--border-radius);
    margin-bottom: 40px;
}

.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slide.active {
    opacity: 1;
}

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

.slide-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: white;
    padding: 40px;
}

.slide-content h2 {
    font-size: 36px;
    margin-bottom: 10px;
}

.slide-content p {
    font-size: 18px;
}

/* 视频卡片网格 */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.video-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

.video-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.video-thumbnail {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    overflow: hidden;
    background: #000;
}

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

.video-card:hover .video-thumbnail img {
    transform: scale(1.1);
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 71, 87, 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 white;
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    margin-left: 5px;
}

.video-info {
    padding: 15px;
}

.video-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--dark-color);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-meta {
    display: flex;
    gap: 15px;
    font-size: 14px;
    color: #666;
}

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

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

.expert-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    text-align: center;
    transition: transform 0.3s;
}

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

.expert-photo {
    width: 100%;
    height: 280px;
    object-fit: cover;
}

.expert-info {
    padding: 20px;
}

.expert-name {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 8px;
    color: var(--dark-color);
}

.expert-title {
    color: var(--primary-color);
    font-size: 14px;
    margin-bottom: 10px;
}

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

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

.feature-card {
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 2px solid #f0f0f0;
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.feature-title {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.feature-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 用户评价 */
.testimonials {
    background: var(--light-color);
    padding: 50px 20px;
    border-radius: var(--border-radius);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.testimonial-card {
    background: white;
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.testimonial-text {
    font-size: 15px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 15px;
    font-style: italic;
}

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

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

.author-info {
    flex: 1;
}

.author-name {
    font-weight: bold;
    color: var(--dark-color);
}

.author-role {
    font-size: 13px;
    color: #888;
}

/* 页脚 */
footer {
    background: var(--dark-color);
    color: white;
    padding: 50px 20px 20px;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

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

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

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
}

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

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

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

.qr-code img {
    width: 120px;
    height: 120px;
    border: 3px solid white;
    border-radius: 8px;
    background: white;
}

.qr-code p {
    margin-top: 10px;
    font-size: 14px;
}

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

.social-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255,255,255,0.1);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    transition: background 0.3s;
}

.social-btn:hover {
    background: rgba(255,255,255,0.2);
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    color: #aaa;
    font-size: 14px;
}

.footer-bottom p {
    margin: 5px 0;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 15px 0;
    font-size: 14px;
    color: #666;
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .header-top {
        flex-direction: column;
        gap: 15px;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    
    .hero-slider {
        height: 300px;
    }
    
    .slide-content h2 {
        font-size: 24px;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 71, 87, 0.3);
}

.btn-secondary {
    background: linear-gradient(135deg, #5f27cd, #341f97);
}

/* 标签 */
.tag {
    display: inline-block;
    padding: 5px 12px;
    background: var(--light-color);
    color: var(--text-color);
    border-radius: 20px;
    font-size: 12px;
    margin-right: 8px;
    margin-bottom: 8px;
}

.tag.hot {
    background: linear-gradient(135deg, #ff4757, #ff6b81);
    color: white;
}