/* 草莓视频 - 全新原创样式表 */
/* 暖色调玫瑰金主题 - nscjev.cn */

:root {
    --primary-coral: #ff6b6b;
    --primary-orange: #ffa502;
    --primary-rose: #e84393;
    --gradient-warm: linear-gradient(135deg, #ff6b6b 0%, #ffa502 100%);
    --gradient-rose: linear-gradient(135deg, #e84393 0%, #ff6b6b 100%);
    --bg-cream: #fff9f5;
    --bg-light: #fef6f0;
    --bg-card: #ffffff;
    --text-dark: #2d3436;
    --text-gray: #636e72;
    --text-light: #b2bec3;
    --shadow-soft: 0 4px 20px rgba(255, 107, 107, 0.15);
    --shadow-hover: 0 8px 30px rgba(255, 107, 107, 0.25);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
}

* {
    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', sans-serif;
    background: var(--bg-cream);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 头部导航 - 全新设计 */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.5rem;
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.site-logo img {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.main-nav a {
    padding: 10px 18px;
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
    position: relative;
}

.main-nav a:hover,
.main-nav a.active {
    background: var(--gradient-warm);
    color: white;
}

/* 搜索框 */
.search-bar {
    background: var(--bg-light);
    padding: 16px 0;
    margin-top: 72px;
    border-bottom: 1px solid rgba(255, 107, 107, 0.1);
}

.search-container {
    display: flex;
    align-items: center;
    max-width: 600px;
    margin: 0 auto;
    background: white;
    border-radius: var(--radius-xl);
    padding: 4px;
    box-shadow: var(--shadow-soft);
}

.search-input {
    flex: 1;
    border: none;
    padding: 14px 24px;
    font-size: 1rem;
    background: transparent;
    outline: none;
    color: var(--text-dark);
}

.search-input::placeholder {
    color: var(--text-light);
}

.search-btn {
    background: var(--gradient-warm);
    border: none;
    padding: 14px 28px;
    border-radius: var(--radius-lg);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-hover);
}

/* 面包屑导航 */
.breadcrumb {
    padding: 16px 0;
    background: var(--bg-light);
}

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

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

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

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

/* Hero区域 - 全新卡片式设计 */
.hero-section {
    padding: 40px 0 60px;
    background: linear-gradient(180deg, var(--bg-light) 0%, var(--bg-cream) 100%);
}

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

.hero-content h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 32px;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-rose);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-gray);
}

.hero-btns {
    display: flex;
    gap: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-warm);
    color: white;
    box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.btn-outline {
    background: transparent;
    color: var(--primary-coral);
    border: 2px solid var(--primary-coral);
}

.btn-outline:hover {
    background: var(--primary-coral);
    color: white;
}

.hero-visual {
    position: relative;
}

.hero-main-card {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-hover);
    position: relative;
}

.hero-main-card img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
}

.hero-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--gradient-rose);
    color: white;
    padding: 8px 16px;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.85rem;
}

/* 视频卡片网格 */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.video-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: all 0.4s ease;
    cursor: pointer;
}

.video-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

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

.video-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.video-card:hover .video-thumb img {
    transform: scale(1.08);
}

.video-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.video-play::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 20px solid var(--primary-coral);
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    margin-left: 4px;
}

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

.video-duration {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(0, 0, 0, 0.75);
    color: white;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
}

.video-info {
    padding: 20px;
}

.video-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-dark);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-gray);
}

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

.video-tags {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.video-tag {
    background: var(--bg-light);
    color: var(--primary-coral);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

/* 服务模块 - 横向卡片 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

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

.service-icon {
    width: 72px;
    height: 72px;
    background: var(--gradient-warm);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
}

.service-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.service-card p {
    font-size: 0.9rem;
    color: var(--text-gray);
    line-height: 1.6;
}

/* 专家团队 */
.experts-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.expert-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
}

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

.expert-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
    border: 4px solid var(--bg-light);
    box-shadow: var(--shadow-soft);
}

.expert-name {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.expert-title {
    font-size: 0.9rem;
    color: var(--primary-coral);
    margin-bottom: 12px;
    font-weight: 500;
}

.expert-desc {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-bottom: 16px;
    line-height: 1.6;
}

.expert-credentials {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-bottom: 16px;
}

.credential-tag {
    background: var(--bg-light);
    color: var(--text-gray);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
}

.expert-links {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.expert-link {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.expert-link.primary {
    background: var(--gradient-warm);
    color: white;
}

.expert-link.secondary {
    background: var(--bg-light);
    color: var(--text-dark);
}

/* 社区展示 */
.community-showcase {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 28px;
}

.community-main {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-hover);
}

.community-main img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.community-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 32px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
}

.community-overlay h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.community-overlay p {
    font-size: 0.95rem;
    opacity: 0.9;
}

.community-side {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.community-card {
    flex: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-soft);
}

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

.community-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    color: white;
}

.community-card-overlay h4 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.community-card-overlay p {
    font-size: 0.85rem;
    opacity: 0.85;
}

/* 用户评价 */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.review-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-soft);
}

.review-stars {
    color: var(--primary-orange);
    font-size: 1.2rem;
    margin-bottom: 16px;
}

.review-text {
    font-size: 1rem;
    color: var(--text-dark);
    line-height: 1.7;
    margin-bottom: 20px;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.review-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-warm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
}

.review-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dark);
}

.review-info p {
    font-size: 0.8rem;
    color: var(--text-gray);
}

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

.faq-item {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

.faq-question {
    padding: 24px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

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

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary-coral);
}

.faq-answer {
    padding: 0 24px 24px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* 页脚 */
.site-footer {
    background: var(--text-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand h3 {
    font-size: 1.8rem;
    margin-bottom: 16px;
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 24px;
}

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

.footer-qrcode {
    text-align: center;
}

.footer-qrcode img {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
}

.footer-qrcode span {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-links h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: white;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.footer-bottom p {
    margin-bottom: 8px;
}

.update-time {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.85rem;
}

/* 社交分享 */
.share-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 24px;
}

.share-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    color: var(--text-gray);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

.share-btn:hover {
    background: var(--gradient-warm);
    color: white;
    transform: translateY(-3px);
}

/* 渐进增强 - 默认显示 */
.fade-in {
    opacity: 1;
    transform: translateY(0);
}

.js-enabled .fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.js-enabled .fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .experts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-inner {
        height: 64px;
    }
    
    .main-nav {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-stats {
        gap: 24px;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .experts-grid {
        grid-template-columns: 1fr;
    }
    
    .community-showcase {
        grid-template-columns: 1fr;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .section {
        padding: 48px 0;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
}