/* ===== 抖阴植物视频社区 - 全站样式 ===== */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#333;background:#f8faf5;line-height:1.8}
a{color:#2a7a3f;text-decoration:none;transition:color .3s}
a:hover{color:#1a5c2e}
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:linear-gradient(135deg,#1a3a2a 0%,#2a5a3a 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:10px 0;flex-wrap:wrap}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{width:48px;height:48px;border-radius:8px}
.logo-wrap h1{color:#fff;font-size:1.4rem;white-space:nowrap}
.logo-wrap h1 span{color:#8fdf6a}
.main-nav{display:flex;gap:0}
.main-nav a{color:#e0f0d8;padding:10px 16px;font-size:.95rem;transition:all .3s;border-radius:4px}
.main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(255,255,255,.15)}

/* ===== 搜索框 ===== */
.search-bar{background:#f0f7ec;padding:12px 0;border-bottom:1px solid #d4e8c8}
.search-bar form{display:flex;max-width:600px;margin:0 auto}
.search-bar input[type="text"]{flex:1;padding:10px 16px;border:2px solid #8fdf6a;border-right:none;border-radius:25px 0 0 25px;font-size:.95rem;outline:none;background:#fff}
.search-bar input[type="text"]:focus{border-color:#2a7a3f}
.search-bar button{padding:10px 24px;background:#2a7a3f;color:#fff;border:2px solid #2a7a3f;border-radius:0 25px 25px 0;cursor:pointer;font-size:.95rem;transition:background .3s}
.search-bar button:hover{background:#1a5c2e}

/* ===== Banner ===== */
.hero-banner{position:relative;height:520px;overflow:hidden;background:#1a3a2a}
.hero-banner img{width:100%;height:100%;object-fit:cover;opacity:.7}
.hero-overlay{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px;background:linear-gradient(to bottom,rgba(0,0,0,.2),rgba(0,0,0,.5))}
.hero-overlay h2{color:#fff;font-size:2.8rem;margin-bottom:15px;text-shadow:2px 2px 8px rgba(0,0,0,.5)}
.hero-overlay p{color:#e0f0d8;font-size:1.2rem;max-width:700px;line-height:1.8;text-shadow:1px 1px 4px rgba(0,0,0,.5)}

/* ===== 面包屑 ===== */
.breadcrumb{padding:12px 0;font-size:.85rem;color:#666}
.breadcrumb a{color:#2a7a3f}
.breadcrumb span{margin:0 6px;color:#999}

/* ===== 通用模块 ===== */
.section{padding:50px 0}
.section-alt{background:#fff}
.section-title{text-align:center;margin-bottom:35px}
.section-title h2{font-size:1.8rem;color:#1a3a2a;margin-bottom:8px}
.section-title h3{font-size:1.5rem;color:#1a3a2a;margin-bottom:8px}
.section-title p{color:#666;font-size:1rem}

/* ===== 视频卡片 ===== */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.08);transition:transform .3s,box-shadow .3s;cursor:pointer}
.video-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(0,0,0,.15)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:#e0e0e0}
.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:60px;height:60px;background:rgba(42,122,63,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s}
.video-card:hover .play-btn{opacity:1}
.play-btn::after{content:"";width:0;height:0;border-left:22px solid #fff;border-top:13px solid transparent;border-bottom:13px solid transparent;margin-left:4px}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.7);color:#fff;padding:2px 8px;border-radius:4px;font-size:.75rem}
.video-info{padding:12px 15px}
.video-info h4{font-size:.95rem;color:#1a3a2a;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;justify-content:space-between;font-size:.8rem;color:#999}
.video-meta span{display:flex;align-items:center;gap:3px}
.video-tags{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.video-tags span{background:#e8f5e0;color:#2a7a3f;padding:2px 10px;border-radius:12px;font-size:.75rem}

/* ===== 专家卡片 ===== */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
.expert-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.08);text-align:center;padding:25px 20px;transition:transform .3s}
.expert-card:hover{transform:translateY(-3px)}
.expert-card img{width:120px;height:120px;border-radius:50%;object-fit:cover;margin:0 auto 15px;border:3px solid #8fdf6a}
.expert-card h4{color:#1a3a2a;font-size:1.05rem;margin-bottom:5px}
.expert-card .role{color:#2a7a3f;font-size:.85rem;margin-bottom:10px}
.expert-card p{font-size:.85rem;color:#666;line-height:1.6}
.expert-card .btn-group{margin-top:12px;display:flex;gap:8px;justify-content:center}

/* ===== 按钮 ===== */
.btn{display:inline-block;padding:8px 20px;border-radius:25px;font-size:.85rem;transition:all .3s;border:none;cursor:pointer}
.btn-primary{background:#2a7a3f;color:#fff}
.btn-primary:hover{background:#1a5c2e;color:#fff}
.btn-outline{border:1px solid #2a7a3f;color:#2a7a3f;background:transparent}
.btn-outline:hover{background:#2a7a3f;color:#fff}

/* ===== FAQ ===== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;box-shadow:0 2px 8px rgba(0,0,0,.05);overflow:hidden}
.faq-question{padding:18px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#1a3a2a;transition:background .3s}
.faq-question:hover{background:#f0f7ec}
.faq-question::after{content:"+";font-size:1.4rem;color:#2a7a3f;transition:transform .3s}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 20px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;color:#555;line-height:1.8}
.faq-item.active .faq-answer{max-height:300px;padding:0 20px 18px}

/* ===== 用户评论 ===== */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.review-card{background:#fff;border-radius:12px;padding:25px;box-shadow:0 4px 12px rgba(0,0,0,.06)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:48px;height:48px;border-radius:50%;background:#8fdf6a;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.2rem;font-weight:700}
.review-name{font-weight:600;color:#1a3a2a}
.review-date{font-size:.8rem;color:#999}
.review-stars{color:#f5a623;margin-bottom:8px;font-size:1rem}
.review-text{color:#555;font-size:.9rem;line-height:1.8}

/* ===== 合作品牌 ===== */
.partner-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.partner-wall .partner-item{background:#fff;padding:20px 30px;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,.06);font-size:1.1rem;font-weight:600;color:#1a3a2a;transition:transform .3s}
.partner-wall .partner-item:hover{transform:scale(1.05)}

/* ===== 联系我们 ===== */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.contact-card{background:#fff;border-radius:12px;padding:25px;text-align:center;box-shadow:0 4px 12px rgba(0,0,0,.06)}
.contact-card h4{color:#1a3a2a;margin-bottom:10px;font-size:1.05rem}
.contact-card p{color:#666;font-size:.9rem;line-height:1.8}

/* ===== 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;font-size:.85rem;color:#fff;transition:opacity .3s}
.share-btn:hover{opacity:.85;color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#00a1d6}

/* ===== 页脚 ===== */
.site-footer{background:linear-gradient(135deg,#1a3a2a 0%,#0d1f15 100%);color:#a0c8a8;padding:40px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-bottom:30px}
.footer-col h4{color:#8fdf6a;font-size:1rem;margin-bottom:15px}
.footer-col p,.footer-col a{color:#a0c8a8;font-size:.85rem;line-height:2}
.footer-col a:hover{color:#fff}
.footer-qr{display:flex;gap:20px;margin-top:10px}
.footer-qr img{width:100px;height:100px;border-radius:8px;border:2px solid rgba(255,255,255,.1)}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:.8rem;color:#7a9a82}
.footer-bottom a{color:#8fdf6a}

/* ===== How-To指南 ===== */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.howto-step{background:#fff;border-radius:12px;padding:25px;text-align:center;box-shadow:0 4px 12px rgba(0,0,0,.06);position:relative}
.howto-step .step-num{width:40px;height:40px;background:#2a7a3f;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:700;margin:0 auto 12px}
.howto-step h4{color:#1a3a2a;margin-bottom:8px}
.howto-step p{color:#666;font-size:.85rem}

/* ===== AI赋能模块 ===== */
.ai-features{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.ai-card{background:linear-gradient(135deg,#f0f7ec,#e8f5e0);border-radius:12px;padding:30px;text-align:center;transition:transform .3s}
.ai-card:hover{transform:translateY(-3px)}
.ai-card .ai-icon{font-size:2.5rem;margin-bottom:12px}
.ai-card h4{color:#1a3a2a;margin-bottom:8px;font-size:1.05rem}
.ai-card p{color:#555;font-size:.9rem}

/* ===== 内页通用 ===== */
.page-hero{height:300px;position:relative;overflow:hidden;background:#1a3a2a}
.page-hero img{width:100%;height:100%;object-fit:cover;opacity:.5}
.page-hero-overlay{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.page-hero-overlay h2{color:#fff;font-size:2.2rem;text-shadow:2px 2px 8px rgba(0,0,0,.5)}
.page-hero-overlay p{color:#e0f0d8;font-size:1rem;margin-top:8px}

.content-section{padding:40px 0}
.content-section h3{color:#1a3a2a;font-size:1.4rem;margin-bottom:15px}
.content-section p{color:#555;line-height:2;margin-bottom:15px}

/* ===== 分类标签 ===== */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}
.tag-cloud a{background:#e8f5e0;color:#2a7a3f;padding:6px 16px;border-radius:20px;font-size:.85rem;transition:all .3s}
.tag-cloud a:hover{background:#2a7a3f;color:#fff}

/* ===== 汉堡菜单按钮 ===== */
.menu-toggle{display:none;background:none;border:none;color:#fff;font-size:1.6rem;cursor:pointer;padding:8px;order:1}

/* ===== 更新徽章 ===== */
.update-badge{display:inline-block;background:rgba(143,223,106,.9);color:#1a3a2a;padding:6px 18px;border-radius:20px;font-size:.85rem;font-weight:600;margin-bottom:12px;letter-spacing:1px}

/* ===== EEAT信息块 ===== */
.eeat-block{background:#f0f7ec;border:1px solid #d4e8c8;border-radius:12px;padding:20px 25px;display:grid;grid-template-columns:repeat(2,1fr);gap:10px 30px}
.eeat-item{font-size:.85rem;color:#555;line-height:1.8}
.eeat-item strong{color:#1a3a2a}

/* ===== 内链推荐 ===== */
.related-links{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.related-links a{display:block;background:#f0f7ec;border:1px solid #d4e8c8;border-radius:8px;padding:12px 16px;color:#2a7a3f;font-size:.9rem;transition:all .3s;text-align:center}
.related-links a:hover{background:#2a7a3f;color:#fff;border-color:#2a7a3f}

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

/* ===== 响应式 ===== */
@media(max-width:1024px){
.video-grid{grid-template-columns:repeat(3,1fr)}
.expert-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:repeat(2,1fr)}
.howto-steps{grid-template-columns:repeat(2,1fr)}
.ai-features{grid-template-columns:repeat(2,1fr)}
.contact-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.menu-toggle{display:block}
.main-nav{display:none;width:100%;flex-direction:column;background:rgba(26,58,42,.95);border-radius:8px;margin-top:8px;padding:8px 0}
.main-nav.show{display:flex}
.main-nav a{padding:10px 16px;text-align:center;border-bottom:1px solid rgba(255,255,255,.08)}
.main-nav a:last-child{border-bottom:none}
.header-inner{flex-direction:row;flex-wrap:wrap;gap:10px}
.related-links{grid-template-columns:1fr}
.eeat-block{grid-template-columns:1fr}
.hero-banner{height:350px}
.hero-overlay h2{font-size:1.8rem}
.hero-overlay p{font-size:1rem}
.video-grid{grid-template-columns:repeat(2,1fr)}
.expert-grid{grid-template-columns:1fr}
.review-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.howto-steps{grid-template-columns:1fr}
.ai-features{grid-template-columns:1fr}
.contact-grid{grid-template-columns:1fr}
.section{padding:30px 0}
}
@media(max-width:480px){
.video-grid{grid-template-columns:1fr}
.logo-wrap h1{font-size:1.1rem}
.hero-banner{height:280px}
.hero-overlay h2{font-size:1.4rem}
}