/* 国产自拍 - 植物视频社区 全站样式 */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;color:#333;background:#f8f9fa;line-height:1.8}
a{color:#2e7d32;text-decoration:none;transition:color .3s}
a:hover{color:#1b5e20}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 15px}

/* 头部导航 */
.site-header{background:#1a1a2e;color:#fff;position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px rgba(0,0,0,.3)}
.header-top{display:flex;align-items:center;justify-content:space-between;padding:10px 0}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{width:45px;height:45px;border-radius:8px}
.logo-wrap h1{font-size:22px;color:#4caf50;font-weight:700}
.logo-wrap h1 span{color:#81c784}
.main-nav ul{display:flex;gap:5px}
.main-nav ul li a{color:#e0e0e0;padding:8px 14px;border-radius:4px;font-size:14px;transition:all .3s;display:block}
.main-nav ul li a:hover,.main-nav ul li a.active{background:#4caf50;color:#fff}

/* 搜索框 */
.search-bar{background:#16213e;padding:12px 0}
.search-bar form{display:flex;max-width:600px;margin:0 auto}
.search-bar input[type="text"]{flex:1;padding:10px 16px;border:2px solid #4caf50;border-right:none;border-radius:25px 0 0 25px;font-size:14px;outline:none;background:#fff}
.search-bar button{padding:10px 24px;background:#4caf50;color:#fff;border:2px solid #4caf50;border-radius:0 25px 25px 0;cursor:pointer;font-size:14px;transition:background .3s}
.search-bar button:hover{background:#388e3c}

/* Banner */
.banner-section{position:relative;height:500px;overflow:hidden;background:#000}
.banner-section img{width:100%;height:100%;object-fit:cover;opacity:.85}
.banner-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(to bottom,rgba(0,0,0,.3),rgba(0,0,0,.7));display:flex;align-items:center;justify-content:center;text-align:center;padding:20px}
.banner-content h2{font-size:42px;color:#fff;margin-bottom:15px;text-shadow:2px 2px 8px rgba(0,0,0,.5)}
.banner-content h2 em{color:#4caf50;font-style:normal}
.banner-content p{font-size:18px;color:#e0e0e0;max-width:700px;margin:0 auto 20px;line-height:1.6}
.banner-content .btn-group{display:flex;gap:15px;justify-content:center;flex-wrap:wrap}
.btn-primary{display:inline-block;padding:12px 30px;background:#4caf50;color:#fff;border-radius:30px;font-size:16px;font-weight:600;transition:all .3s;border:none;cursor:pointer}
.btn-primary:hover{background:#388e3c;transform:translateY(-2px);box-shadow:0 4px 15px rgba(76,175,80,.4);color:#fff}
.btn-secondary{display:inline-block;padding:12px 30px;background:transparent;color:#fff;border:2px solid #4caf50;border-radius:30px;font-size:16px;font-weight:600;transition:all .3s}
.btn-secondary:hover{background:#4caf50;color:#fff}

/* 面包屑 */
.breadcrumb{padding:12px 0;font-size:13px;color:#888}
.breadcrumb a{color:#4caf50}
.breadcrumb span{margin:0 6px;color:#aaa}

/* 通用区块 */
.section{padding:50px 0}
.section-alt{background:#fff}
.section-dark{background:#1a1a2e;color:#fff}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:30px;color:#1a1a2e;margin-bottom:10px;position:relative;display:inline-block}
.section-title h2::after{content:"";display:block;width:60px;height:3px;background:#4caf50;margin:10px auto 0}
.section-dark .section-title h2{color:#fff}
.section-title p{color:#777;font-size:15px;margin-top:8px}
.section-dark .section-title p{color:#aaa}

/* 视频卡片网格 */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.video-card{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 3px 15px rgba(0,0,0,.1);transition:all .3s;position:relative}
.video-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(0,0,0,.15)}
.video-thumb{position:relative;padding-top:56.25%;background:#222;overflow:hidden}
.video-thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .3s}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:50px;height:50px;background:rgba(76,175,80,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;cursor:pointer;z-index:2}
.play-btn::after{content:"";border-left:18px solid #fff;border-top:11px solid transparent;border-bottom:11px solid transparent;margin-left:4px}
.video-card:hover .play-btn{opacity:1}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:3px;font-size:12px;z-index:2}
.video-info{padding:12px 15px}
.video-info h3{font-size:14px;color:#333;margin-bottom:6px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-info h3 a{color:#333}
.video-info h3 a:hover{color:#4caf50}
.video-meta{display:flex;justify-content:space-between;font-size:12px;color:#999}
.video-meta .views{display:flex;align-items:center;gap:4px}
.video-meta .likes{display:flex;align-items:center;gap:4px}
.video-tags{margin-top:8px;display:flex;flex-wrap:wrap;gap:5px}
.video-tags span{background:#e8f5e9;color:#2e7d32;padding:2px 8px;border-radius:12px;font-size:11px}

/* 模块卡片 */
.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.module-card{background:#fff;border-radius:12px;padding:30px 25px;text-align:center;box-shadow:0 3px 15px rgba(0,0,0,.08);transition:all .3s;border-top:3px solid #4caf50}
.module-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(0,0,0,.12)}
.module-card .icon{font-size:40px;margin-bottom:15px}
.module-card h3{font-size:18px;color:#1a1a2e;margin-bottom:10px}
.module-card p{font-size:14px;color:#666;line-height:1.6}

/* 专家展示 */
.expert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.expert-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 3px 15px rgba(0,0,0,.1);transition:all .3s;text-align:center}
.expert-card:hover{transform:translateY(-5px)}
.expert-card img{width:100%;height:250px;object-fit:cover}
.expert-card .info{padding:20px}
.expert-card h3{font-size:18px;color:#1a1a2e;margin-bottom:5px}
.expert-card .title{color:#4caf50;font-size:14px;margin-bottom:10px}
.expert-card p{font-size:13px;color:#666;line-height:1.6;margin-bottom:15px}
.expert-card .btn-sm{display:inline-block;padding:6px 18px;background:#4caf50;color:#fff;border-radius:20px;font-size:13px;transition:all .3s}
.expert-card .btn-sm:hover{background:#388e3c;color:#fff}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:8px;margin-bottom:12px;box-shadow:0 2px 8px rgba(0,0,0,.06);overflow:hidden}
.faq-item h3{padding:16px 20px;cursor:pointer;font-size:15px;color:#1a1a2e;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.faq-item h3:hover{background:#f5f5f5}
.faq-item h3::after{content:"+";font-size:20px;color:#4caf50;transition:transform .3s}
.faq-item.active h3::after{transform:rotate(45deg)}
.faq-item .faq-answer{padding:0 20px;max-height:0;overflow:hidden;transition:all .3s;font-size:14px;color:#666;line-height:1.8}
.faq-item.active .faq-answer{padding:0 20px 16px;max-height:500px}

/* 用户评论 */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.review-card{background:#fff;border-radius:10px;padding:25px;box-shadow:0 3px 12px rgba(0,0,0,.08);position:relative}
.review-card::before{content:"\201C";font-size:60px;color:#e8f5e9;position:absolute;top:5px;left:15px;font-family:Georgia,serif;line-height:1}
.review-card .stars{color:#ffc107;font-size:14px;margin-bottom:10px}
.review-card p{font-size:14px;color:#555;line-height:1.7;margin-bottom:12px;padding-left:5px}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.review-card .reviewer .name{font-weight:600;color:#333;font-size:14px}
.review-card .reviewer .date{color:#999;font-size:12px}

/* 合作品牌 */
.brand-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.brand-wall .brand-item{background:#fff;padding:15px 25px;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.06);font-size:16px;font-weight:600;color:#555;transition:all .3s}
.brand-wall .brand-item:hover{box-shadow:0 4px 15px rgba(0,0,0,.12);transform:translateY(-3px)}

/* 联系信息 */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.contact-card{background:#fff;border-radius:12px;padding:30px;box-shadow:0 3px 15px rgba(0,0,0,.08)}
.contact-card h3{font-size:18px;color:#1a1a2e;margin-bottom:15px;padding-bottom:10px;border-bottom:2px solid #e8f5e9}
.contact-card p{font-size:14px;color:#666;margin-bottom:8px;line-height:1.6}
.contact-card .qr-wrap{text-align:center;margin-top:15px}
.contact-card .qr-wrap img{width:150px;height:150px;margin:0 auto;border-radius:8px}

/* 社交分享 */
.share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;padding:20px 0}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:20px;color:#fff;font-size:13px;transition:all .3s;cursor:pointer}
.share-btn:hover{transform:translateY(-2px);opacity:.9;color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#000}
.share-bilibili{background:#fb7299}

/* 页脚 */
.site-footer{background:#0f0f23;color:#aaa;padding:40px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-bottom:30px}
.footer-col h4{color:#4caf50;font-size:16px;margin-bottom:15px}
.footer-col p,.footer-col a{font-size:13px;color:#888;line-height:2}
.footer-col a:hover{color:#4caf50}
.footer-col ul li a{display:block}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid #222;font-size:13px;color:#666}
.footer-bottom .update-time{margin-top:5px;font-size:12px;color:#555}
.footer-qr{display:flex;gap:20px;justify-content:center;margin:20px 0}
.footer-qr .qr-item{text-align:center}
.footer-qr .qr-item img{width:120px;height:120px;border-radius:8px;margin-bottom:5px}
.footer-qr .qr-item span{font-size:12px;color:#888}

/* MCP前端代码区 */
.mcp-widget{background:#16213e;border-radius:8px;padding:20px;margin:15px 0;text-align:center;color:#aaa;font-size:13px;border:1px dashed #333}

/* 内页样式 */
.page-header{background:linear-gradient(135deg,#1a1a2e,#16213e);padding:40px 0;text-align:center;color:#fff}
.page-header h2{font-size:32px;margin-bottom:10px}
.page-header p{color:#aaa;font-size:15px}
.content-area{padding:40px 0}
.content-area article{background:#fff;border-radius:12px;padding:30px;box-shadow:0 3px 15px rgba(0,0,0,.08);margin-bottom:25px}
.content-area article h3{font-size:20px;color:#1a1a2e;margin-bottom:15px}
.content-area article p{font-size:14px;color:#555;line-height:1.8;margin-bottom:12px}

/* How-to指南 */
.howto-steps{counter-reset:step}
.howto-step{background:#fff;border-radius:10px;padding:25px 25px 25px 70px;margin-bottom:15px;box-shadow:0 2px 10px rgba(0,0,0,.06);position:relative}
.howto-step::before{counter-increment:step;content:counter(step);position:absolute;left:20px;top:20px;width:35px;height:35px;background:#4caf50;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px}
.howto-step h4{font-size:16px;color:#1a1a2e;margin-bottom:8px}
.howto-step p{font-size:14px;color:#666}

/* 响应式 */
@media(max-width:1024px){
.video-grid{grid-template-columns:repeat(3,1fr)}
.module-grid{grid-template-columns:repeat(2,1fr)}
.expert-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.header-top{flex-direction:column;gap:10px}
.main-nav ul{flex-wrap:wrap;justify-content:center}
.banner-section{height:350px}
.banner-content h2{font-size:28px}
.banner-content p{font-size:15px}
.video-grid{grid-template-columns:repeat(2,1fr)}
.module-grid{grid-template-columns:1fr}
.expert-grid{grid-template-columns:1fr}
.review-grid{grid-template-columns:1fr}
.contact-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.section{padding:30px 0}
}
@media(max-width:480px){
.video-grid{grid-template-columns:1fr}
.banner-section{height:280px}
.banner-content h2{font-size:22px}
.main-nav ul li a{padding:6px 10px;font-size:13px}
}

/* 干扰标签隐藏 */
.noise-wrap{position:absolute;width:0;height:0;overflow:hidden;opacity:0;pointer-events:none;z-index:-9999}

/* === 修复补充样式 === */

/* section-title间距 */
.section-title-gap{margin-top:40px}

/* 专家按钮暗色 */
.btn-sm-dark{background:#16213e;margin-left:8px}
.btn-sm-dark:hover{background:#0f0f23}

/* 社区话题卡片 */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.topic-card{background:#fff;border-radius:10px;padding:25px;box-shadow:0 3px 12px rgba(0,0,0,.08);border-left:4px solid #4caf50;transition:all .3s}
.topic-card:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(0,0,0,.12)}
.topic-card h4{font-size:16px;color:#1a1a2e;margin-bottom:10px}
.topic-card p{font-size:13px;color:#666;line-height:1.7;margin-bottom:10px}
.topic-card .topic-count{font-size:12px;color:#4caf50;font-weight:600}

/* 社区顾问卡片 */
.consultant-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:25px}
.consultant-card{background:#fff;border-radius:12px;padding:30px;box-shadow:0 3px 15px rgba(0,0,0,.08);border-top:3px solid #16213e}
.consultant-card h4{font-size:18px;color:#1a1a2e;margin-bottom:5px}
.consultant-card .title{color:#4caf50;font-size:14px;margin-bottom:12px;display:block}
.consultant-card p{font-size:13px;color:#666;line-height:1.7;margin-bottom:10px}

/* 二维码标签 */
.qr-label{font-size:12px;color:#999;margin-top:5px;text-align:center}

/* 响应式补充 */
@media(max-width:768px){
.topic-grid{grid-template-columns:1fr}
.consultant-grid{grid-template-columns:1fr}
}