/* 91植物视频社区 - 127167.cn 全站样式 */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:#333;line-height:1.7;background:#f8faf8}
a{color:#2d7d46;text-decoration:none;transition:color .3s}
a:hover{color:#1a5c30}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* 头部导航 */
.site-header{background:linear-gradient(135deg,#1a3a2a 0%,#2d5a3f 100%);position:sticky;top:0;z-index:1000;box-shadow:0 2px 15px rgba(0,0,0,.2)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:0 20px;max-width:1200px;margin:0 auto;height:64px}
.logo-link{display:flex;align-items:center;gap:10px}
.logo-link img{width:40px;height:40px;border-radius:8px}
.logo-text{color:#fff;font-size:1.4rem;font-weight:700;letter-spacing:1px}
.main-nav{display:flex;gap:4px}
.nav-item{color:rgba(255,255,255,.85);padding:8px 16px;border-radius:6px;font-size:.95rem;transition:all .3s}
.nav-item:hover,.nav-item.active{color:#fff;background:rgba(255,255,255,.15)}
.mobile-menu-btn{display:none;color:#fff;font-size:1.5rem;cursor:pointer;background:none;border:none}

/* 搜索框 */
.search-bar{background:rgba(255,255,255,.08);padding:12px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.search-wrap{max-width:600px;margin:0 auto;position:relative}
.search-input{width:100%;padding:10px 45px 10px 18px;border:2px solid #3a8a5c;border-radius:25px;font-size:.95rem;background:#fff;outline:none;transition:border-color .3s}
.search-input:focus{border-color:#2d7d46;box-shadow:0 0 0 3px rgba(45,125,70,.15)}
.search-btn{position:absolute;right:5px;top:50%;transform:translateY(-50%);background:#2d7d46;color:#fff;border:none;width:36px;height:36px;border-radius:50%;cursor:pointer;font-size:1.1rem;transition:background .3s}
.search-btn:hover{background:#1a5c30}
.search-toast{display:none;position:fixed;top:80px;left:50%;transform:translateX(-50%);background:#333;color:#fff;padding:10px 24px;border-radius:8px;z-index:9999;font-size:.9rem}

/* Banner */
.hero-section{position:relative;min-height:520px;display:flex;align-items:center;overflow:hidden;background:#1a3a2a}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.55)}
.hero-content{position:relative;z-index:2;max-width:1200px;margin:0 auto;padding:60px 20px;color:#fff}
.hero-content h1{font-size:2.6rem;font-weight:800;margin-bottom:16px;text-shadow:0 2px 8px rgba(0,0,0,.4);line-height:1.3}
.hero-desc{font-size:1.1rem;line-height:1.8;max-width:750px;margin-bottom:28px;opacity:.95;text-shadow:0 1px 4px rgba(0,0,0,.3)}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn-primary{display:inline-block;padding:12px 32px;background:linear-gradient(135deg,#2d7d46,#3a9d5c);color:#fff;border-radius:8px;font-weight:600;font-size:1rem;transition:all .3s;box-shadow:0 4px 15px rgba(45,125,70,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(45,125,70,.4);color:#fff}
.btn-outline{display:inline-block;padding:12px 32px;border:2px solid rgba(255,255,255,.6);color:#fff;border-radius:8px;font-weight:600;font-size:1rem;transition:all .3s}
.btn-outline:hover{background:rgba(255,255,255,.15);border-color:#fff;color:#fff}
.hero-stats{display:flex;gap:40px;margin-top:35px}
.stat-item{text-align:center}
.stat-num{display:block;font-size:1.8rem;font-weight:800;color:#7defa0}
.stat-label{font-size:.85rem;opacity:.8}

/* 通用section */
.section{padding:60px 0}
.section-alt{background:#fff}
.section-title{font-size:1.9rem;font-weight:700;text-align:center;margin-bottom:12px;color:#1a3a2a}
.section-desc{text-align:center;color:#666;max-width:700px;margin:0 auto 40px;font-size:1rem;line-height:1.8}

/* 视频卡片网格 */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.08);transition:all .3s}
.video-card:hover{transform:translateY(-5px);box-shadow:0 8px 30px rgba(0,0,0,.15)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:#e8f5e9}
.video-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(45,125,70,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;cursor:pointer}
.play-btn::after{content:"";border-left:22px solid #fff;border-top:13px solid transparent;border-bottom:13px 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:4px;font-size:.8rem}
.video-info{padding:16px}
.video-info h3{font-size:1.05rem;font-weight:600;margin-bottom:8px;line-height:1.4;color:#1a3a2a;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:15px;color:#888;font-size:.85rem}
.video-meta span{display:flex;align-items:center;gap:4px}

/* 服务模块 */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{background:#fff;padding:30px 24px;border-radius:12px;text-align:center;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:all .3s;border:1px solid #e8f5e9}
.service-card:hover{transform:translateY(-3px);box-shadow:0 8px 25px rgba(0,0,0,.1);border-color:#2d7d46}
.service-icon{font-size:2.5rem;margin-bottom:16px}
.service-card h4{font-size:1.1rem;font-weight:600;margin-bottom:10px;color:#1a3a2a}
.service-card p{color:#666;font-size:.92rem;line-height:1.7}

/* 娱乐专区 */
.entertain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.entertain-card{background:linear-gradient(135deg,#f0faf3,#e8f5e9);padding:24px 18px;border-radius:12px;text-align:center;transition:all .3s}
.entertain-card:hover{transform:translateY(-3px);background:linear-gradient(135deg,#e8f5e9,#c8e6c9)}
.entertain-icon{font-size:2.2rem;margin-bottom:12px}
.entertain-card h4{font-size:1rem;font-weight:600;margin-bottom:8px;color:#1a3a2a}
.entertain-card p{color:#666;font-size:.88rem;line-height:1.6}

/* AI赋能 */
.ai-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ai-card{background:#fff;padding:28px 22px;border-radius:12px;border-left:4px solid #2d7d46;box-shadow:0 4px 15px rgba(0,0,0,.06);transition:all .3s}
.ai-card:hover{transform:translateY(-3px);box-shadow:0 8px 25px rgba(0,0,0,.1)}
.ai-card h4{font-size:1.05rem;font-weight:600;margin-bottom:10px;color:#1a3a2a}
.ai-card p{color:#666;font-size:.92rem;line-height:1.7}

/* 社区功能 */
.community-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.community-card{background:#fff;padding:24px;border-radius:12px;box-shadow:0 4px 15px rgba(0,0,0,.06);transition:all .3s}
.community-card:hover{transform:translateY(-3px);box-shadow:0 8px 25px rgba(0,0,0,.1)}
.community-card h4{font-size:1.05rem;font-weight:600;margin-bottom:10px;color:#1a3a2a}
.community-card p{color:#666;font-size:.92rem;line-height:1.7}

/* 专家展示 */
.expert-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.expert-card{background:#fff;padding:30px;border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.08);display:flex;gap:24px;transition:all .3s}
.expert-card:hover{box-shadow:0 8px 30px rgba(0,0,0,.12)}
.expert-avatar{width:100px;height:100px;border-radius:50%;overflow:hidden;flex-shrink:0;background:#e8f5e9;display:flex;align-items:center;justify-content:center}
.expert-avatar-placeholder{width:100px;height:100px;border-radius:50%;background:linear-gradient(135deg,#2d7d46,#3a9d5c);display:flex;align-items:center;justify-content:center;font-size:2.5rem;color:#fff;flex-shrink:0}
.expert-info h3{font-size:1.15rem;font-weight:600;color:#1a3a2a;margin-bottom:4px}
.expert-info .expert-title{color:#2d7d46;font-size:.9rem;margin-bottom:8px}
.expert-info p{color:#666;font-size:.9rem;line-height:1.6;margin-bottom:10px}
.expert-awards{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.expert-awards span{background:#e8f5e9;color:#2d7d46;padding:3px 10px;border-radius:12px;font-size:.8rem}
.expert-btns{display:flex;gap:8px}
.expert-btns a{padding:6px 16px;border-radius:6px;font-size:.85rem;font-weight:500}
.expert-btns .btn-sm-primary{background:#2d7d46;color:#fff}
.expert-btns .btn-sm-outline{border:1px solid #2d7d46;color:#2d7d46}

/* 合作品牌 */
.brand-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;padding:20px 0}
.brand-item{width:120px;height:60px;background:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 10px rgba(0,0,0,.06);font-weight:600;color:#666;font-size:.9rem;transition:all .3s}
.brand-item:hover{box-shadow:0 4px 15px rgba(0,0,0,.12);transform:translateY(-2px)}

/* How-To */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.howto-step{background:#fff;padding:28px 20px;border-radius:12px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.06);position:relative}
.howto-step::before{counter-increment:step;content:counter(step);display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:linear-gradient(135deg,#2d7d46,#3a9d5c);color:#fff;border-radius:50%;font-weight:700;font-size:1.1rem;margin:0 auto 16px}
.howto-step h4{font-size:1rem;font-weight:600;margin-bottom:8px;color:#1a3a2a}
.howto-step p{color:#666;font-size:.9rem;line-height:1.6}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;margin-bottom:12px;border-radius:10px;box-shadow:0 2px 10px rgba(0,0,0,.05);overflow:hidden}
.faq-question{padding:18px 24px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;transition:background .3s}
.faq-question:hover{background:#f0faf3}
.faq-question h3{font-size:1rem;font-weight:600;color:#1a3a2a;margin:0}
.faq-toggle{font-size:1.4rem;color:#2d7d46;font-weight:700;transition:transform .3s}
.faq-item.active .faq-toggle{transform:rotate(45deg)}
.faq-answer{padding:0 24px;max-height:0;overflow:hidden;transition:all .3s}
.faq-item.active .faq-answer{padding:0 24px 18px;max-height:500px}
.faq-answer p{color:#666;line-height:1.8;font-size:.95rem}

/* 用户评论 */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.review-card{background:#fff;padding:24px;border-radius:12px;box-shadow:0 4px 15px rgba(0,0,0,.06)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:45px;height:45px;border-radius:50%;background:linear-gradient(135deg,#2d7d46,#3a9d5c);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem}
.review-name{font-weight:600;color:#1a3a2a}
.review-date{font-size:.82rem;color:#999}
.review-stars{color:#f5a623;margin-bottom:8px;font-size:1rem}
.review-text{color:#555;font-size:.95rem;line-height:1.7}

/* 社交分享 */
.share-section{text-align:center;padding:40px 0}
.share-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.share-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 24px;border-radius:8px;color:#fff;font-weight:500;font-size:.95rem;transition:all .3s}
.share-btn:hover{transform:translateY(-2px);color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#00a1d6}

/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.contact-info{background:#fff;padding:30px;border-radius:12px;box-shadow:0 4px 15px rgba(0,0,0,.06)}
.contact-info h3{font-size:1.2rem;font-weight:600;color:#1a3a2a;margin-bottom:16px}
.contact-item{padding:10px 0;border-bottom:1px solid #f0f0f0;color:#555;font-size:.95rem}
.contact-item strong{color:#1a3a2a;margin-right:8px}
.qrcode-grid{display:flex;gap:20px;margin-top:16px}
.qrcode-item{text-align:center}
.qrcode-placeholder{width:120px;height:120px;background:linear-gradient(135deg,#e8f5e9,#c8e6c9);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:.85rem;color:#2d7d46;margin-bottom:6px}
.qrcode-item span{font-size:.82rem;color:#888}

/* Footer */
.site-footer{background:linear-gradient(135deg,#1a3a2a 0%,#0d1f15 100%);color:rgba(255,255,255,.7);padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;padding-bottom:30px}
.footer-col h5{color:#fff;font-size:1rem;font-weight:600;margin-bottom:16px}
.footer-col a{display:block;color:rgba(255,255,255,.6);padding:4px 0;font-size:.9rem;transition:color .3s}
.footer-col a:hover{color:#7defa0}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-brand img{width:40px;height:40px;border-radius:8px}
.footer-brand span{color:#fff;font-weight:700;font-size:1.1rem}
.footer-desc{font-size:.9rem;line-height:1.7;margin-bottom:16px}
.footer-social{display:flex;gap:10px}
.footer-social a{width:36px;height:36px;background:rgba(255,255,255,.1);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;transition:all .3s}
.footer-social a:hover{background:#2d7d46;color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;font-size:.85rem}
.footer-bottom p{margin:4px 0}
.footer-update{color:#7defa0}

/* 面包屑 */
.breadcrumb{background:#fff;padding:12px 0;border-bottom:1px solid #eee}
.breadcrumb-list{list-style:none;display:flex;align-items:center;gap:8px;font-size:.9rem}
.breadcrumb-list a{color:#2d7d46}
.breadcrumb-list span{color:#999}

/* 内页通用 */
.page-hero{background:linear-gradient(135deg,#1a3a2a,#2d5a3f);padding:50px 0;color:#fff;text-align:center}
.page-hero h1{font-size:2rem;font-weight:700;margin-bottom:10px}
.page-hero p{opacity:.85;font-size:1.05rem}
.page-content{padding:50px 0}
.content-block{background:#fff;padding:30px;border-radius:12px;box-shadow:0 4px 15px rgba(0,0,0,.06);margin-bottom:24px}
.content-block h2{font-size:1.4rem;font-weight:600;color:#1a3a2a;margin-bottom:16px}
.content-block p{color:#555;line-height:1.8;margin-bottom:12px}

/* 404页面 */
.error-page{text-align:center;padding:100px 20px}
.error-code{font-size:6rem;font-weight:800;color:#2d7d46;line-height:1}
.error-msg{font-size:1.3rem;color:#666;margin:20px 0}

/* 响应式 */
@media(max-width:1024px){
.video-grid,.service-grid,.ai-grid,.community-grid{grid-template-columns:repeat(2,1fr)}
.entertain-grid,.howto-steps{grid-template-columns:repeat(2,1fr)}
.expert-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.main-nav{display:none;position:absolute;top:64px;left:0;right:0;background:#1a3a2a;flex-direction:column;padding:10px;box-shadow:0 4px 15px rgba(0,0,0,.2)}
.main-nav.active{display:flex}
.mobile-menu-btn{display:block}
.hero-content h1{font-size:1.8rem}
.hero-stats{gap:20px}
.stat-num{font-size:1.4rem}
.video-grid,.service-grid,.ai-grid,.community-grid,.review-grid{grid-template-columns:1fr}
.entertain-grid,.howto-steps{grid-template-columns:1fr}
.contact-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.section-title{font-size:1.5rem}
.hero-section{min-height:400px}
}