/* 黄色仓库 - 全新原创样式 azccj.cn */
/* 重置样式 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif; line-height: 1.6; color: #333; background: #fafafa; }
a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* 主题色彩 - 珊瑚粉橙渐变 */
:root {
    --primary: #FF6B9D;
    --primary-dark: #E85A8A;
    --secondary: #FF8A65;
    --accent: #FFB74D;
    --gradient: linear-gradient(135deg, #FF6B9D 0%, #FF8A65 50%, #FFB74D 100%);
    --gradient-hover: linear-gradient(135deg, #E85A8A 0%, #E57955 50%, #E5A43D 100%);
    --text-dark: #2D3436;
    --text-light: #636E72;
    --bg-light: #FFF5F7;
    --bg-card: #FFFFFF;
    --shadow: 0 4px 20px rgba(255, 107, 157, 0.15);
    --shadow-hover: 0 8px 30px rgba(255, 107, 157, 0.25);
    --radius: 16px;
    --radius-sm: 8px;
}

/* 容器 */
.container { max-width: 1400px; margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.section-title { font-size: 2.5rem; font-weight: 700; text-align: center; margin-bottom: 50px; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.section-subtitle { text-align: center; color: var(--text-light); margin-top: -35px; margin-bottom: 50px; font-size: 1.1rem; }

/* 头部导航 */
.header { background: var(--bg-card); box-shadow: 0 2px 20px rgba(0,0,0,0.08); position: sticky; top: 0; z-index: 1000; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 15px 0; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo img { height: 45px; width: auto; }
.logo-text { font-size: 1.5rem; font-weight: 700; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav { display: flex; gap: 35px; }
.nav a { font-weight: 500; color: var(--text-dark); padding: 8px 0; position: relative; }
.nav a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 3px; background: var(--gradient); border-radius: 2px; transition: width 0.3s ease; }
.nav a:hover::after, .nav a.active::after { width: 100%; }
.nav a:hover { color: var(--primary); }

/* 搜索框 */
.search-bar { background: var(--bg-light); padding: 15px 0; border-bottom: 1px solid rgba(255,107,157,0.1); }
.search-wrapper { display: flex; justify-content: center; }
.search-box { display: flex; align-items: center; background: var(--bg-card); border-radius: 50px; padding: 8px 20px; width: 100%; max-width: 600px; box-shadow: var(--shadow); }
.search-box input { flex: 1; border: none; outline: none; font-size: 1rem; padding: 10px; background: transparent; }
.search-box button { background: var(--gradient); border: none; padding: 12px 30px; border-radius: 50px; color: white; font-weight: 600; cursor: pointer; transition: all 0.3s ease; }
.search-box button:hover { transform: scale(1.05); box-shadow: var(--shadow-hover); }

/* 面包屑 */
.breadcrumb { padding: 15px 0; background: var(--bg-light); }
.breadcrumb-list { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; color: var(--text-light); }
.breadcrumb-list a:hover { color: var(--primary); }
.breadcrumb-list span { color: var(--primary); }

/* Hero区域 */
.hero { position: relative; min-height: 600px; display: flex; align-items: center; background: linear-gradient(135deg, rgba(255,107,157,0.9) 0%, rgba(255,138,101,0.9) 100%), url('../images/hero-banner.jpg') center/cover; color: white; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="3" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="2" fill="rgba(255,255,255,0.1)"/></svg>'); }
.hero-content { position: relative; z-index: 1; max-width: 700px; }
.hero h1 { font-size: 3.5rem; font-weight: 800; margin-bottom: 20px; text-shadow: 2px 2px 10px rgba(0,0,0,0.2); }
.hero p { font-size: 1.3rem; margin-bottom: 30px; opacity: 0.95; }
.hero-btns { display: flex; gap: 20px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 15px 35px; border-radius: 50px; font-weight: 600; font-size: 1rem; transition: all 0.3s ease; cursor: pointer; border: none; }
.btn-primary { background: white; color: var(--primary); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(0,0,0,0.2); }
.btn-outline { background: transparent; color: white; border: 2px solid white; }
.btn-outline:hover { background: white; color: var(--primary); }
.btn-gradient { background: var(--gradient); color: white; }
.btn-gradient:hover { background: var(--gradient-hover); transform: translateY(-3px); box-shadow: var(--shadow-hover); }

/* 视频卡片 */
.video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 30px; }
.video-card { background: var(--bg-card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: all 0.3s ease; }
.video-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.video-thumb { position: relative; aspect-ratio: 16/9; overflow: hidden; }
.video-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.video-card:hover .video-thumb img { transform: scale(1.1); }
.play-btn { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0); width: 70px; height: 70px; background: var(--gradient); border-radius: 50%; display: flex; align-items: center; justify-content: center; opacity: 0; transition: all 0.3s ease; }
.play-btn::after { content: ''; width: 0; height: 0; border-left: 22px solid white; border-top: 14px solid transparent; border-bottom: 14px solid transparent; margin-left: 5px; }
.video-card:hover .play-btn { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.video-duration { position: absolute; bottom: 10px; right: 10px; background: rgba(0,0,0,0.75); color: white; padding: 4px 10px; border-radius: 4px; font-size: 0.85rem; }
.video-info { padding: 20px; }
.video-title { font-size: 1.1rem; font-weight: 600; color: var(--text-dark); margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.video-meta { display: flex; align-items: center; gap: 15px; color: var(--text-light); font-size: 0.9rem; }
.video-meta span { display: flex; align-items: center; gap: 5px; }
.video-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.video-tag { background: var(--bg-light); color: var(--primary); padding: 4px 12px; border-radius: 20px; font-size: 0.8rem; }

/* 模块卡片 */
.module-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 25px; }
.module-card { background: var(--bg-card); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); transition: all 0.3s ease; text-align: center; }
.module-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.module-icon { width: 70px; height: 70px; background: var(--gradient); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; font-size: 2rem; }
.module-card h3 { font-size: 1.3rem; color: var(--text-dark); margin-bottom: 12px; }
.module-card p { color: var(--text-light); font-size: 0.95rem; }

/* 专家卡片 */
.expert-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 30px; }
.expert-card { background: var(--bg-card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: all 0.3s ease; }
.expert-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.expert-photo { width: 100%; aspect-ratio: 1; object-fit: cover; }
.expert-info { padding: 25px; text-align: center; }
.expert-name { font-size: 1.3rem; font-weight: 700; color: var(--text-dark); margin-bottom: 5px; }
.expert-title { color: var(--primary); font-weight: 500; margin-bottom: 15px; }
.expert-desc { color: var(--text-light); font-size: 0.9rem; margin-bottom: 15px; }
.expert-credentials { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 20px; }
.credential { background: var(--bg-light); color: var(--text-dark); padding: 5px 12px; border-radius: 20px; font-size: 0.8rem; }
.expert-btns { display: flex; gap: 10px; justify-content: center; }
.expert-btn { padding: 10px 20px; border-radius: 25px; font-size: 0.9rem; font-weight: 500; }

/* 合作品牌 */
.partner-logos { display: flex; flex-wrap: wrap; justify-content: center; gap: 40px; align-items: center; padding: 40px 0; }
.partner-logo { height: 50px; opacity: 0.6; filter: grayscale(100%); transition: all 0.3s ease; }
.partner-logo:hover { opacity: 1; filter: grayscale(0%); }

/* 用户评价 */
.review-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); gap: 30px; }
.review-card { background: var(--bg-card); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }
.review-header { display: flex; align-items: center; gap: 15px; margin-bottom: 15px; }
.review-avatar { width: 50px; height: 50px; border-radius: 50%; background: var(--gradient); display: flex; align-items: center; justify-content: center; color: white; font-weight: 700; font-size: 1.2rem; }
.review-user { flex: 1; }
.review-name { font-weight: 600; color: var(--text-dark); }
.review-date { font-size: 0.85rem; color: var(--text-light); }
.review-stars { color: #FFB74D; font-size: 1.1rem; letter-spacing: 2px; }
.review-content { color: var(--text-dark); line-height: 1.8; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--bg-card); border-radius: var(--radius); margin-bottom: 15px; box-shadow: var(--shadow); overflow: hidden; }
.faq-question { padding: 20px 25px; font-weight: 600; color: var(--text-dark); cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.faq-question::after { content: '+'; font-size: 1.5rem; color: var(--primary); transition: transform 0.3s ease; }
.faq-item.active .faq-question::after { transform: rotate(45deg); }
.faq-answer { padding: 0 25px; max-height: 0; overflow: hidden; transition: all 0.3s ease; }
.faq-item.active .faq-answer { padding: 0 25px 20px; max-height: 500px; }
.faq-answer p { color: var(--text-light); }

/* 联系信息 */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 30px; }
.contact-card { background: var(--bg-card); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); text-align: center; }
.contact-card h3 { font-size: 1.2rem; color: var(--text-dark); margin-bottom: 20px; }
.contact-card img { max-width: 150px; margin: 0 auto 15px; border-radius: var(--radius-sm); }
.contact-item { display: flex; align-items: center; gap: 10px; padding: 10px 0; color: var(--text-light); justify-content: center; }

/* 页脚 */
.footer { background: linear-gradient(135deg, #2D3436 0%, #1A1A2E 100%); color: white; padding: 60px 0 30px; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; margin-bottom: 40px; }
.footer-col h4 { font-size: 1.1rem; margin-bottom: 20px; color: var(--accent); }
.footer-col a { display: block; color: rgba(255,255,255,0.7); padding: 8px 0; transition: color 0.3s ease; }
.footer-col a:hover { color: var(--primary); }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 15px; }
.footer-logo img { height: 40px; }
.footer-logo span { font-size: 1.3rem; font-weight: 700; }
.footer-desc { color: rgba(255,255,255,0.6); font-size: 0.9rem; line-height: 1.8; }
.footer-qr { display: flex; gap: 20px; margin-top: 20px; }
.footer-qr img { width: 100px; border-radius: var(--radius-sm); }
.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 a { color: var(--primary); }

/* 社交分享 */
.social-share { display: flex; gap: 15px; justify-content: center; margin: 30px 0; }
.social-btn { width: 45px; height: 45px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: white; font-size: 1.2rem; transition: all 0.3s ease; }
.social-btn:hover { transform: translateY(-3px); }
.social-wechat { background: #07C160; }
.social-weibo { background: #E6162D; }
.social-douyin { background: #000; }
.social-bilibili { background: #FB7299; }

/* 统计数据 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; padding: 50px 0; }
.stat-item { text-align: center; }
.stat-number { font-size: 3rem; font-weight: 800; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { color: var(--text-light); margin-top: 10px; }

/* 美图展示 */
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 15px; }
.gallery-item { aspect-ratio: 1; border-radius: var(--radius-sm); overflow: hidden; cursor: pointer; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.gallery-item:hover img { transform: scale(1.1); }

/* 响应式 */
@media (max-width: 992px) {
    .hero h1 { font-size: 2.5rem; }
    .section-title { font-size: 2rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .header-inner { flex-wrap: wrap; }
    .nav { width: 100%; justify-content: center; margin-top: 15px; gap: 20px; flex-wrap: wrap; }
    .hero { min-height: 500px; text-align: center; }
    .hero h1 { font-size: 2rem; }
    .hero-btns { justify-content: center; }
    .section { padding: 50px 0; }
    .video-grid, .module-grid, .expert-grid, .review-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .nav { gap: 15px; font-size: 0.9rem; }
    .hero h1 { font-size: 1.8rem; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
    .stat-number { font-size: 2rem; }
    .footer-grid { grid-template-columns: 1fr; }
}

/* 动画 */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.animate-fadeInUp { animation: fadeInUp 0.6s ease forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

/* 懒加载 */
.lazy { opacity: 0; transition: opacity 0.5s ease; }
.lazy.loaded { opacity: 1; }