/* 抖阴 汽车改装网站原创CSS */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.relative { position: relative; z-index: 2; }

/* 按钮样式 */
.btn { display: inline-block; padding: 12px 30px; border-radius: 30px; font-weight: bold; text-decoration: none; cursor: pointer; transition: all 0.3s; border: none; font-size: 16px; }
.btn-primary { background: var(--primary); color: white; box-shadow: 0 4px 15px rgba(255, 140, 0, 0.4); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255, 140, 0, 0.6); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: rgba(255, 140, 0, 0.1); }

/* Hero Section */
.hero-section { position: relative; height: 80vh; min-height: 600px; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-size: cover; background-position: center; z-index: 1; transform: scale(1.05); animation: zoomBg 20s infinite alternate; }
@keyframes zoomBg { 0% { transform: scale(1); } 100% { transform: scale(1.1); } }
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(90deg, rgba(8, 12, 30, 0.9) 0%, rgba(8, 12, 30, 0.6) 50%, rgba(8, 12, 30, 0.2) 100%); z-index: 2; }
.hero-content { position: relative; z-index: 3; max-width: 1200px; margin: 0 auto; padding: 0 20px; width: 100%; }
.hero-badge { display: inline-block; padding: 5px 15px; background: rgba(255, 140, 0, 0.2); border: 1px solid var(--primary); color: var(--primary); border-radius: 20px; font-size: 14px; margin-bottom: 20px; font-weight: bold; letter-spacing: 1px; }
.hero-content h1 { font-size: 56px; font-weight: 800; margin: 0 0 20px 0; line-height: 1.2; text-shadow: 0 2px 10px rgba(0,0,0,0.5); }
.hero-content p { font-size: 18px; max-width: 600px; line-height: 1.8; color: #E2E8F0; margin-bottom: 40px; }
.hero-actions { display: flex; gap: 20px; }

/* 通用区块样式 */
section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 50px; }
.section-header h2 { font-size: 36px; margin: 0 0 15px 0; position: relative; display: inline-block; }
.section-header h2::after { content: ''; position: absolute; bottom: -10px; left: 50%; transform: translateX(-50%); width: 60px; height: 4px; background: var(--primary); border-radius: 2px; }
.section-header p { color: var(--text-muted); font-size: 18px; }

/* 业务卡片 */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.service-card { background: var(--bg-card); padding: 40px 30px; border-radius: 12px; text-align: center; transition: transform 0.3s, box-shadow 0.3s; border: 1px solid rgba(255,255,255,0.05); }
.service-card:hover { transform: translateY(-10px); box-shadow: 0 10px 30px rgba(0,0,0,0.5); border-color: rgba(255, 140, 0, 0.3); }
.service-icon { font-size: 48px; margin-bottom: 20px; }
.service-card h3 { font-size: 22px; margin: 0 0 15px 0; }
.service-card p { color: var(--text-muted); line-height: 1.6; font-size: 15px; margin: 0; }

/* 视频网格 */
.video-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 30px; }
.video-card { background: var(--bg-card); border-radius: 12px; overflow: hidden; cursor: pointer; transition: all 0.3s; border: 1px solid rgba(255,255,255,0.05); }
.video-card:hover { transform: translateY(-5px); box-shadow: 0 15px 30px rgba(0,0,0,0.4); border-color: rgba(255, 140, 0, 0.5); }
.video-thumb { height: 200px; background-size: cover; background-position: center; position: relative; display: flex; justify-content: center; align-items: center; }
.video-thumb::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.3); transition: background 0.3s; }
.video-card:hover .video-thumb::before { background: rgba(0,0,0,0.1); }
.play-btn { position: relative; z-index: 2; width: 60px; height: 60px; background: rgba(255, 140, 0, 0.9); border-radius: 50%; display: flex; justify-content: center; align-items: center; font-size: 24px; color: white; opacity: 0; transform: scale(0.8); transition: all 0.3s; padding-left: 5px; box-sizing: border-box; }
.video-card:hover .play-btn { opacity: 1; transform: scale(1); box-shadow: 0 0 20px rgba(255, 140, 0, 0.6); }
.video-duration { position: absolute; bottom: 10px; right: 10px; background: rgba(0,0,0,0.8); padding: 3px 8px; border-radius: 4px; font-size: 12px; font-weight: bold; z-index: 2; }
.video-info { padding: 20px; }
.video-tag { display: inline-block; padding: 3px 10px; background: rgba(255, 140, 0, 0.1); color: var(--primary); border-radius: 4px; font-size: 12px; font-weight: bold; margin-bottom: 10px; }
.video-info h3 { font-size: 18px; margin: 0 0 15px 0; line-height: 1.5; height: 54px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.video-meta { display: flex; justify-content: space-between; color: var(--text-muted); font-size: 13px; }

/* 专家团队 */
.experts-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 40px; }
.expert-card { display: flex; background: var(--bg-card); border-radius: 12px; overflow: hidden; border: 1px solid rgba(255,255,255,0.05); }
.expert-img { width: 200px; object-fit: cover; }
.expert-info { padding: 30px; flex: 1; }
.expert-info h3 { font-size: 24px; margin: 0 0 5px 0; }
.expert-title { color: var(--primary); font-size: 14px; font-weight: bold; display: block; margin-bottom: 15px; }
.expert-info p { color: var(--text-muted); font-size: 14px; line-height: 1.6; margin-bottom: 20px; }
.expert-links { display: flex; gap: 10px; }
.expert-btn { padding: 8px 15px; background: var(--primary); color: white; text-decoration: none; border-radius: 4px; font-size: 13px; font-weight: bold; }
.expert-btn.outline { background: transparent; border: 1px solid var(--primary); color: var(--primary); }

/* 用户评价 */
.reviews-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
.review-card { background: var(--bg-card); padding: 30px; border-radius: 12px; position: relative; border-top: 4px solid var(--primary); }
.review-stars { color: #FFD700; font-size: 20px; margin-bottom: 15px; letter-spacing: 2px; }
.review-text { font-style: italic; color: #E2E8F0; line-height: 1.6; margin-bottom: 20px; }
.review-author { color: var(--primary); font-weight: bold; font-size: 14px; text-align: right; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--bg-card); margin-bottom: 15px; border-radius: 8px; overflow: hidden; border: 1px solid rgba(255,255,255,0.05); }
.faq-question { padding: 20px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; }
.faq-question h3 { margin: 0; font-size: 18px; font-weight: 500; }
.faq-toggle { font-size: 24px; color: var(--primary); font-weight: bold; transition: transform 0.3s; }
.faq-item.active .faq-toggle { transform: rotate(45deg); }
.faq-answer { padding: 0 20px; max-height: 0; overflow: hidden; transition: all 0.3s ease-out; background: rgba(0,0,0,0.2); }
.faq-item.active .faq-answer { padding: 20px; max-height: 500px; border-top: 1px solid rgba(255,255,255,0.05); }
.faq-answer p { margin: 0; color: var(--text-muted); line-height: 1.6; }

/* Footer */
.footer { background: #050814; padding: 60px 0 20px 0; border-top: 1px solid rgba(255,140,0,0.2); margin-top: 50px; }
.footer-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 40px; }
.footer-logo { height: 50px; margin-bottom: 20px; }
.footer-desc { color: var(--text-muted); line-height: 1.6; font-size: 14px; margin-bottom: 20px; }
.social-share { display: flex; gap: 10px; flex-wrap: wrap; }
.share-btn { padding: 5px 12px; background: rgba(255,255,255,0.05); border-radius: 4px; font-size: 12px; cursor: pointer; transition: background 0.3s; }
.share-btn:hover { background: var(--primary); color: white; }
.links-col h3 { font-size: 18px; margin: 0 0 20px 0; color: white; }
.links-col ul { list-style: none; padding: 0; margin: 0; }
.links-col li { margin-bottom: 12px; }
.links-col a { color: var(--text-muted); text-decoration: none; transition: color 0.3s; font-size: 14px; }
.links-col a:hover { color: var(--primary); }
.qr-col { display: flex; gap: 20px; }
.qr-item { text-align: center; }
.qr-item img { width: 100px; height: 100px; border-radius: 8px; margin-bottom: 10px; border: 2px solid rgba(255,255,255,0.1); }
.qr-item span { display: block; font-size: 13px; color: white; margin-bottom: 5px; }
.qr-item small { display: block; font-size: 11px; color: var(--text-muted); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.05); padding-top: 20px; display: flex; justify-content: space-between; font-size: 13px; color: var(--text-muted); }

/* MCP Widget */
.mcp-widget { position: fixed; bottom: 30px; right: 30px; background: var(--bg-card); border: 1px solid var(--primary); padding: 15px 20px; border-radius: 8px; display: flex; align-items: center; gap: 15px; box-shadow: 0 10px 30px rgba(0,0,0,0.5); z-index: 99; animation: slideIn 0.5s ease-out; }
@keyframes slideIn { from { transform: translateX(100px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
.mcp-icon { font-size: 24px; }
.mcp-text { font-size: 14px; font-weight: bold; }
.mcp-close { cursor: pointer; font-size: 20px; color: var(--text-muted); }
.mcp-close:hover { color: white; }

/* 内页样式 */
.page-header { height: 300px; background-size: cover; background-position: center; position: relative; display: flex; align-items: center; }
.page-header h1 { font-size: 42px; margin: 0 0 10px 0; }
.page-header p { font-size: 18px; color: #E2E8F0; margin: 0; }
.breadcrumb { padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,0.05); margin-bottom: 30px; font-size: 14px; }
.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { color: white; }
.content-wrapper { display: flex; gap: 40px; }
.main-content { flex: 1; }
.main-content h2 { font-size: 28px; margin: 0 0 20px 0; color: var(--primary); }
.main-content p { line-height: 1.8; color: #E2E8F0; margin-bottom: 20px; }
.main-content ul, .main-content ol { line-height: 1.8; color: #E2E8F0; margin-bottom: 20px; padding-left: 20px; }
.main-content li { margin-bottom: 10px; }
.sidebar { width: 300px; flex-shrink: 0; }
.sidebar-widget { background: var(--bg-card); padding: 25px; border-radius: 8px; margin-bottom: 30px; border: 1px solid rgba(255,255,255,0.05); }
.sidebar-widget h3 { margin: 0 0 20px 0; font-size: 18px; padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.category-list { list-style: none; padding: 0; margin: 0; }
.category-list li { margin-bottom: 15px; }
.category-list a { color: #E2E8F0; text-decoration: none; transition: color 0.3s; display: block; }
.category-list a:hover { color: var(--primary); padding-left: 5px; }
.recommend-item { display: flex; gap: 15px; align-items: center; margin-bottom: 15px; }
.recommend-item img { width: 80px; height: 60px; object-fit: cover; border-radius: 4px; }
.recommend-item h4 { margin: 0 0 5px 0; font-size: 14px; line-height: 1.4; }
.recommend-item span { font-size: 12px; color: var(--primary); }

/* 响应式 */
@media (max-width: 992px) {
    .hero-content h1 { font-size: 40px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .content-wrapper { flex-direction: column; }
    .sidebar { width: 100%; }
}
@media (max-width: 768px) {
    .hero-content h1 { font-size: 32px; }
    .experts-card { flex-direction: column; }
    .expert-img { width: 100%; height: 200px; }
    .footer-grid { grid-template-columns: 1fr; }
    .qr-col { flex-direction: column; align-items: flex-start; }
    .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
}