/* 青柠视频植物视频社区 - 原创CSS样式表 */
/* 配色：深森林绿 + 翠绿 + 琥珀金 */

*,*::before,*::after{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;background:#0c1f12;color:#e8f5e9;line-height:1.7;}
a{color:#2d8f4e;text-decoration:none;transition:color .3s;}
a:hover{color:#f0a030;}
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:#0a1a0f;border-bottom:2px solid #1a472a;position:sticky;top:0;z-index:1000;}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;max-width:1200px;margin:0 auto;}
.logo-link{display:flex;align-items:center;}
.logo-img{height:50px;width:auto;}
.main-nav ul{display:flex;list-style:none;gap:8px;}
.main-nav a{color:#c8e6c9;padding:8px 16px;border-radius:6px;font-size:15px;font-weight:500;transition:all .3s;}
.main-nav a:hover,.main-nav a.active{background:#1a472a;color:#f0a030;}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;}
.menu-toggle span{display:block;width:24px;height:2px;background:#e8f5e9;margin:5px 0;transition:all .3s;}

/* 搜索框 */
.search-bar{background:#142b1c;padding:10px 20px;}
.search-form{display:flex;max-width:600px;margin:0 auto;}
.search-form input{flex:1;padding:10px 16px;border:2px solid #1a472a;border-right:none;border-radius:8px 0 0 8px;background:#0c1f12;color:#e8f5e9;font-size:14px;outline:none;}
.search-form input:focus{border-color:#2d8f4e;}
.search-form button{padding:10px 24px;background:#2d8f4e;color:#fff;border:2px solid #2d8f4e;border-radius:0 8px 8px 0;cursor:pointer;font-size:14px;font-weight:600;transition:background .3s;}
.search-form button:hover{background:#f0a030;border-color:#f0a030;}

/* Hero Banner */
.hero-banner{position:relative;height:520px;overflow:hidden;}
.hero-bg{width:100%;height:100%;object-fit:cover;}
.hero-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,rgba(12,31,18,0.88) 0%,rgba(26,71,42,0.75) 50%,rgba(12,31,18,0.85) 100%);display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:40px 20px;}
.hero-overlay h1{font-size:2.4rem;color:#f0a030;margin-bottom:16px;text-shadow:0 2px 8px rgba(0,0,0,0.5);}
.hero-subtitle{max-width:800px;font-size:1.05rem;color:#c8e6c9;line-height:1.8;margin-bottom:20px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:24px;}
.hero-tags .tag{background:#1a472a;color:#f0a030;padding:6px 16px;border-radius:20px;font-size:13px;border:1px solid #2d8f4e;}
.hero-stats{display:flex;gap:32px;flex-wrap:wrap;justify-content:center;}
.stat-item{text-align:center;}
.stat-item strong{display:block;font-size:1.6rem;color:#f0a030;}
.stat-item span{font-size:13px;color:#a5d6a7;}

/* 通用Section样式 */
section{padding:60px 0;}
section:nth-child(even){background:#0f2618;}
section h2{text-align:center;font-size:1.8rem;color:#f0a030;margin-bottom:12px;}
.section-desc{text-align:center;max-width:800px;margin:0 auto 36px;color:#a5d6a7;font-size:0.95rem;}

/* 视频卡片网格 */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.video-card{background:#142b1c;border-radius:12px;overflow:hidden;border:1px solid #1a472a;transition:transform .3s,box-shadow .3s;}
.video-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,0.4);}
.video-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;}
.video-thumb img{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:56px;height:56px;background:rgba(240,160,48,0.9);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;cursor:pointer;}
.play-btn span{color:#fff;font-size:22px;margin-left:3px;}
.video-card:hover .play-btn{opacity:1;}
.duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:12px;}
.video-info{padding:16px;}
.video-info h3{font-size:1rem;color:#e8f5e9;margin-bottom:8px;line-height:1.4;}
.video-meta{display:flex;gap:12px;font-size:12px;color:#81c784;margin-bottom:8px;flex-wrap:wrap;}
.video-desc{font-size:13px;color:#a5d6a7;line-height:1.6;}

/* 娱乐专区 */
.entertainment-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.ent-card{background:#142b1c;border-radius:12px;padding:28px 20px;text-align:center;border:1px solid #1a472a;transition:all .3s;}
.ent-card:hover{border-color:#f0a030;transform:translateY(-3px);}
.ent-icon{font-size:2.5rem;margin-bottom:12px;}
.ent-card h3{font-size:1rem;color:#e8f5e9;margin-bottom:10px;}
.ent-card p{font-size:13px;color:#a5d6a7;margin-bottom:12px;line-height:1.6;}
.ent-count{font-size:12px;color:#f0a030;font-weight:600;}

/* AI赋能 */
.ai-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:28px;align-items:start;}
.ai-card{background:#142b1c;border-radius:12px;overflow:hidden;border:1px solid #1a472a;}
.ai-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.ai-content{padding:20px;}
.ai-content h3{color:#f0a030;margin-bottom:10px;}
.ai-content p{color:#a5d6a7;font-size:14px;margin-bottom:12px;}
.ai-content ul{list-style:none;padding:0;}
.ai-content li{padding:6px 0;color:#c8e6c9;font-size:13px;border-bottom:1px solid #1a472a;}
.ai-content li::before{content:"✦ ";color:#f0a030;}
.ai-features{display:flex;flex-direction:column;gap:16px;}
.ai-feat{background:#142b1c;border-radius:12px;padding:20px;border:1px solid #1a472a;}
.ai-feat h4{color:#f0a030;margin-bottom:8px;font-size:0.95rem;}
.ai-feat p{color:#a5d6a7;font-size:13px;}

/* 社区功能 */
.community-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.comm-card{background:#142b1c;border-radius:12px;overflow:hidden;border:1px solid #1a472a;transition:all .3s;}
.comm-card:hover{border-color:#2d8f4e;transform:translateY(-3px);}
.comm-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.comm-card h3{padding:12px 16px 4px;font-size:0.95rem;color:#e8f5e9;}
.comm-card p{padding:0 16px;font-size:13px;color:#a5d6a7;line-height:1.5;}
.comm-stat{display:block;padding:8px 16px 14px;font-size:12px;color:#81c784;}

/* 专家展示 */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.expert-card{background:#142b1c;border-radius:12px;padding:24px 16px;text-align:center;border:1px solid #1a472a;transition:all .3s;}
.expert-card:hover{border-color:#f0a030;}
.expert-img{width:120px;height:120px;border-radius:50%;margin:0 auto 14px;object-fit:cover;border:3px solid #2d8f4e;}
.expert-card h3{font-size:0.9rem;color:#f0a030;margin-bottom:6px;}
.expert-card p[itemprop="jobTitle"]{font-size:12px;color:#81c784;margin-bottom:8px;}
.expert-bio{font-size:13px;color:#a5d6a7;line-height:1.5;margin-bottom:10px;}
.expert-awards{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-bottom:12px;}
.expert-awards span{background:#1a472a;color:#f0a030;padding:3px 10px;border-radius:12px;font-size:11px;}
.expert-actions{display:flex;gap:8px;justify-content:center;}
.btn-contact,.btn-works{padding:6px 14px;border-radius:6px;font-size:12px;font-weight:600;transition:all .3s;}
.btn-contact{background:#2d8f4e;color:#fff;}
.btn-contact:hover{background:#f0a030;color:#0c1f12;}
.btn-works{background:transparent;color:#2d8f4e;border:1px solid #2d8f4e;}
.btn-works:hover{background:#2d8f4e;color:#fff;}

/* 合作品牌 */
.partner-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.partner-item{background:#142b1c;border:1px solid #1a472a;border-radius:10px;padding:24px;text-align:center;transition:all .3s;}
.partner-item:hover{border-color:#f0a030;}
.partner-item span{color:#a5d6a7;font-size:14px;font-weight:600;}

/* How-To步骤 */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{background:#142b1c;border-radius:12px;padding:28px 20px;border:1px solid #1a472a;text-align:center;transition:all .3s;}
.step:hover{border-color:#f0a030;transform:translateY(-3px);}
.step-num{font-size:2rem;font-weight:800;color:#f0a030;margin-bottom:10px;}
.step h3{font-size:1rem;color:#e8f5e9;margin-bottom:10px;}
.step p{font-size:13px;color:#a5d6a7;line-height:1.6;}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto;}
.faq-item{background:#142b1c;border:1px solid #1a472a;border-radius:10px;margin-bottom:12px;overflow:hidden;}
.faq-question{padding:16px 20px;cursor:pointer;font-size:1rem;color:#e8f5e9;position:relative;transition:color .3s;}
.faq-question::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:1.4rem;color:#f0a030;transition:transform .3s;}
.faq-item.active .faq-question::after{transform:translateY(-50%) rotate(45deg);}
.faq-question:hover{color:#f0a030;}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;}
.faq-item.active .faq-answer{max-height:300px;padding:0 20px 16px;}
.faq-answer p{font-size:14px;color:#a5d6a7;line-height:1.7;}

/* 用户评论 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.review-card{background:#142b1c;border-radius:12px;padding:24px;border:1px solid #1a472a;}
.review-stars{color:#f0a030;font-size:1.1rem;margin-bottom:10px;}
.review-card p[itemprop="reviewBody"]{font-size:14px;color:#c8e6c9;line-height:1.7;margin-bottom:14px;font-style:italic;}
.reviewer{display:flex;align-items:center;gap:10px;}
.reviewer strong{color:#e8f5e9;font-size:14px;}
.reviewer span{color:#81c784;font-size:12px;}

/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;}
.contact-company{background:#142b1c;border-radius:12px;padding:24px;border:1px solid #1a472a;}
.contact-company h3{color:#f0a030;margin-bottom:14px;}
.contact-company img{border-radius:8px;margin-bottom:16px;width:100%;aspect-ratio:16/9;object-fit:cover;}
.company-info p{padding:6px 0;font-size:14px;color:#c8e6c9;border-bottom:1px solid #1a472a;}
.contact-community{background:#142b1c;border-radius:12px;padding:24px;border:1px solid #1a472a;}
.contact-community h3{color:#f0a030;margin-bottom:14px;}
.qr-codes{display:flex;gap:24px;margin-bottom:20px;}
.qr-item{text-align:center;}
.qr-item img{border-radius:8px;margin-bottom:8px;}
.qr-item p{font-size:13px;color:#a5d6a7;line-height:1.4;}
.community-links p{padding:6px 0;font-size:14px;color:#c8e6c9;border-bottom:1px solid #1a472a;}

/* 社交分享 */
.section-share{padding:30px 0;text-align:center;}
.section-share h3{color:#e8f5e9;margin-bottom:16px;}
.share-buttons{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}
.share-btn{padding:10px 24px;border-radius:8px;color:#fff;font-size:14px;font-weight:600;transition:all .3s;}
.wechat{background:#07c160;}.weibo{background:#e6162d;}.douyin-share{background:#161823;border:1px solid #333;}.bilibili{background:#00a1d6;}
.share-btn:hover{transform:translateY(-2px);color:#fff;opacity:0.9;}

/* 页脚 */
.site-footer{background:#071a0d;border-top:2px solid #1a472a;padding:40px 0 0;}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;padding-bottom:30px;border-bottom:1px solid #1a472a;}
.footer-brand p{color:#81c784;font-size:13px;margin-top:12px;line-height:1.6;}
.footer-brand img{height:40px;width:auto;}
.footer-links h4,.footer-contact h4{color:#f0a030;margin-bottom:12px;font-size:0.95rem;}
.footer-links ul{list-style:none;}
.footer-links li{padding:4px 0;}
.footer-links a{color:#a5d6a7;font-size:13px;}
.footer-links a:hover{color:#f0a030;}
.footer-contact p{color:#a5d6a7;font-size:13px;padding:3px 0;}
.footer-bottom{text-align:center;padding:18px 0;color:#81c784;font-size:13px;}

/* 响应式 */
@media(max-width:1024px){
  .video-grid,.community-grid,.review-grid{grid-template-columns:repeat(2,1fr);}
  .expert-grid,.entertainment-grid,.howto-steps,.partner-wall{grid-template-columns:repeat(2,1fr);}
  .ai-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;}
}
@media(max-width:768px){
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#0a1a0f;border-top:1px solid #1a472a;padding:16px;}
  .main-nav.active{display:block;}
  .main-nav ul{flex-direction:column;gap:4px;}
  .main-nav a{display:block;padding:10px 16px;}
  .menu-toggle{display:block;}
  .hero-banner{height:auto;min-height:400px;}
  .hero-overlay h1{font-size:1.6rem;}
  .hero-stats{gap:16px;}
  .stat-item strong{font-size:1.2rem;}
  section h2{font-size:1.4rem;}
  .video-grid,.community-grid,.review-grid,.expert-grid,.entertainment-grid,.howto-steps,.partner-wall{grid-template-columns:1fr;}
  .qr-codes{flex-direction:column;align-items:center;}
}