/* 茄子视频植物视频社区 - km459944.cn 全站样式 */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--primary:#1B5E20;--primary-light:#2E7D32;--accent:#F4A261;--bg:#0D1117;--bg-card:#161B22;--bg-card-hover:#1C2333;--text:#C9D1D9;--text-light:#8B949E;--border:#30363D;--white:#FFFFFF;--radius:12px;--shadow:0 4px 24px rgba(0,0,0,.4)}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.8;overflow-x:hidden}
a{color:var(--accent);text-decoration:none;transition:color .3s}
a:hover{color:#e76f51}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{position:fixed;top:0;left:0;width:100%;background:rgba(13,17,23,.95);backdrop-filter:blur(12px);z-index:1000;border-bottom:1px solid var(--border);transition:all .3s}
.header-inner{display:flex;align-items:center;justify-content:space-between;max-width:1200px;margin:0 auto;padding:0 20px;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-size:1.3rem;font-weight:700;color:var(--white)}
.logo img{border-radius:8px}
.logo span{background:linear-gradient(135deg,var(--primary-light),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.main-nav ul{display:flex;list-style:none;gap:6px}
.main-nav a{color:var(--text-light);padding:8px 14px;border-radius:8px;font-size:.9rem;transition:all .3s}
.main-nav a:hover,.main-nav a.active{color:var(--white);background:var(--primary)}

/* Mobile Toggle */
.mobile-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.mobile-toggle span{width:24px;height:2px;background:var(--text);transition:all .3s;border-radius:2px}

/* Search Bar */
.search-bar{margin-top:70px;background:var(--bg-card);border-bottom:1px solid var(--border);padding:12px 0}
.search-box{display:flex;max-width:600px;margin:0 auto}
.search-box input{flex:1;padding:10px 18px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius) 0 0 var(--radius);color:var(--white);font-size:.95rem;outline:none}
.search-box input:focus{border-color:var(--primary)}
.search-box button{padding:10px 24px;background:var(--primary);color:var(--white);border:none;border-radius:0 var(--radius) var(--radius) 0;cursor:pointer;font-size:.95rem;transition:background .3s}
.search-box button:hover{background:var(--primary-light)}

/* Hero Banner */
.hero-banner{position:relative;min-height:520px;display:flex;align-items:center;overflow:hidden}
.banner-bg{position:absolute;inset:0;z-index:0}
.banner-bg img{width:100%;height:100%;object-fit:cover}
.banner-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(13,17,23,.88),rgba(27,94,32,.6));z-index:1}
.hero-content{position:relative;z-index:2;max-width:700px;padding:60px 0}
.hero-content h1{font-size:2.6rem;color:var(--white);margin-bottom:16px;line-height:1.3}
.hero-content .brand{color:var(--accent);font-size:3rem}
.hero-sub{font-size:1.1rem;color:var(--text);margin-bottom:24px;font-weight:400}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.hero-tags span{background:rgba(27,94,32,.4);color:var(--accent);padding:4px 14px;border-radius:20px;font-size:.82rem;border:1px solid rgba(244,162,97,.2)}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{padding:12px 28px;border-radius:var(--radius);font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s;border:2px solid transparent;display:inline-block;text-align:center}
.btn-primary{background:var(--primary);color:var(--white);border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-light);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--accent);border-color:var(--accent)}
.btn-outline:hover{background:var(--accent);color:var(--bg)}

/* Stats Bar */
.stats-bar{background:var(--bg-card);border-bottom:1px solid var(--border);padding:20px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat-item{padding:10px}
.stat-num{font-size:1.8rem;font-weight:700;color:var(--accent)}
.stat-label{font-size:.85rem;color:var(--text-light);margin-top:4px}

/* Update Notice */
.update-notice{background:linear-gradient(90deg,var(--primary),var(--primary-light));color:var(--white);text-align:center;padding:10px;font-size:.88rem}

/* Section Common */
.section{padding:60px 0}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:1.9rem;color:var(--white);margin-bottom:10px}
.section-title p{color:var(--text-light);font-size:1rem}

/* Video Grid */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.video-card{background:var(--bg-card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:all .3s;cursor:pointer}
.video-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--primary)}
.thumb{position:relative;padding-top:56.25%;overflow:hidden}
.thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .thumb img{transform:scale(1.05)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:56px;height:56px;background:rgba(27,94,32,.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-icon{width:0;height:0;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent var(--white);margin-left:4px}
.video-badge{position:absolute;top:10px;left:10px;background:var(--primary);color:var(--white);padding:3px 10px;border-radius:6px;font-size:.75rem}
.card-title{padding:14px 16px 6px;font-size:1rem;color:var(--white);font-weight:600;line-height:1.4}
.card-meta{padding:0 16px;font-size:.8rem;color:var(--text-light);display:flex;gap:12px}
.card-tags{padding:8px 16px 14px;display:flex;flex-wrap:wrap;gap:6px}
.card-tags span{background:rgba(27,94,32,.2);color:var(--primary-light);padding:2px 10px;border-radius:12px;font-size:.75rem}
.views{color:var(--text-light);font-size:.78rem}

/* Horizontal Video Grid */
.video-grid-h{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.video-card-h{display:flex;background:var(--bg-card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:all .3s}
.video-card-h:hover{border-color:var(--primary);box-shadow:var(--shadow)}
.video-card-h .thumb{width:240px;min-width:240px;padding-top:0;height:160px}
.video-card-h .thumb img{position:static;width:100%;height:100%;object-fit:cover}

/* Expert Grid */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.expert-card{background:var(--bg-card);border-radius:var(--radius);padding:28px 20px;text-align:center;border:1px solid var(--border);transition:all .3s}
.expert-card:hover{border-color:var(--primary);transform:translateY(-3px)}
.avatar{width:90px;height:90px;border-radius:50%;margin:0 auto 14px;overflow:hidden;border:3px solid var(--primary)}
.avatar img{width:100%;height:100%;object-fit:cover}
.expert-card h3{color:var(--white);font-size:1.1rem;margin-bottom:4px}
.role{color:var(--accent);font-size:.85rem;margin-bottom:10px}
.desc{color:var(--text-light);font-size:.85rem;line-height:1.6;margin-bottom:14px}
.expert-btns{display:flex;gap:8px;justify-content:center}
.expert-btns a{padding:6px 14px;border-radius:8px;font-size:.8rem;border:1px solid var(--border);color:var(--text-light);transition:all .3s}
.expert-btns a:hover{border-color:var(--primary);color:var(--primary-light)}

/* Review Grid */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.review-card{background:var(--bg-card);border-radius:var(--radius);padding:24px;border:1px solid var(--border)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:44px;height:44px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;color:var(--white);font-weight:700;font-size:1.1rem}
.review-name{color:var(--white);font-weight:600}
.review-date{color:var(--text-light);font-size:.8rem}
.review-stars{color:#F4A261;margin-bottom:8px;font-size:.9rem}
.review-text{color:var(--text);font-size:.92rem;line-height:1.7}

/* FAQ */
.faq-item{background:var(--bg-card);border-radius:var(--radius);margin-bottom:12px;border:1px solid var(--border);overflow:hidden}
.faq-q{padding:18px 24px;color:var(--white);font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.faq-q:hover{background:var(--bg-card-hover)}
.faq-q::after{content:"+";font-size:1.4rem;color:var(--accent);transition:transform .3s}
.faq-item.active .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:all .4s;color:var(--text-light);line-height:1.8}
.faq-item.active .faq-a{padding:0 24px 18px;max-height:500px}

/* Partner Wall */
.partner-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.partner-item{background:var(--bg-card);border-radius:var(--radius);padding:20px;text-align:center;border:1px solid var(--border);transition:all .3s;display:flex;align-items:center;justify-content:center;min-height:80px;color:var(--text-light);font-weight:600;font-size:.9rem}
.partner-item:hover{border-color:var(--primary);background:var(--bg-card-hover)}

/* How-To Steps */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step-card{background:var(--bg-card);border-radius:var(--radius);padding:28px 20px;text-align:center;border:1px solid var(--border)}
.step-num{width:48px;height:48px;border-radius:50%;background:var(--primary);color:var(--white);display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:700;margin:0 auto 14px}
.step-card h4{color:var(--white);margin-bottom:8px}
.step-card p{color:var(--text-light);font-size:.88rem}

/* Module Grid */
.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.module-card{background:var(--bg-card);border-radius:var(--radius);padding:28px;border:1px solid var(--border);transition:all .3s}
.module-card:hover{border-color:var(--primary);transform:translateY(-3px)}
.module-icon{font-size:2rem;margin-bottom:12px}
.module-card h3{color:var(--white);margin-bottom:8px;font-size:1.05rem}
.module-card p{color:var(--text-light);font-size:.88rem;line-height:1.7}

/* AI Features */
.ai-features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ai-card{background:linear-gradient(135deg,var(--bg-card),rgba(27,94,32,.1));border-radius:var(--radius);padding:28px;border:1px solid var(--border);transition:all .3s}
.ai-card:hover{border-color:var(--primary);box-shadow:0 0 20px rgba(27,94,32,.2)}
.ai-icon{font-size:2.2rem;margin-bottom:12px}
.ai-card h3{color:var(--white);margin-bottom:8px}
.ai-card p{color:var(--text-light);font-size:.88rem;line-height:1.7}

/* Community Tags */
.community-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:20px}
.tag{background:var(--bg-card);color:var(--text);padding:8px 20px;border-radius:20px;border:1px solid var(--border);font-size:.88rem;transition:all .3s}
.tag:hover{border-color:var(--primary);color:var(--accent)}

/* Platform Grid */
.platform-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.platform-card{background:var(--bg-card);border-radius:var(--radius);padding:20px;text-align:center;border:1px solid var(--border);transition:all .3s}
.platform-card:hover{border-color:var(--primary)}
.p-icon{font-size:2rem;margin-bottom:8px}
.p-name{color:var(--white);font-weight:600;font-size:.95rem}
.p-desc{color:var(--text-light);font-size:.8rem;margin-top:4px}

/* Share Bar */
.share-bar{display:flex;gap:10px;justify-content:center;padding:20px 0}
.share-btn{padding:8px 20px;border-radius:8px;color:var(--white);font-size:.85rem;cursor:pointer;border:none;transition:all .3s}
.share-btn.wechat{background:#07C160}
.share-btn.weibo{background:#E6162D}
.share-btn.douyin{background:#161823}
.share-btn.bilibili{background:#00A1D6}
.share-btn:hover{opacity:.85;transform:translateY(-2px)}

/* QR Code Grid */
.qrcode-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;max-width:400px;margin:0 auto}
.qrcode-item{text-align:center}
.qrcode-item img{border-radius:var(--radius);margin-bottom:8px}
.qrcode-item p{color:var(--text-light);font-size:.85rem}

/* Footer */
.site-footer{background:var(--bg-card);border-top:1px solid var(--border);padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}
.footer-col h4{color:var(--white);margin-bottom:14px;font-size:1rem}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:8px}
.footer-col a{color:var(--text-light);font-size:.88rem;transition:color .3s}
.footer-col a:hover{color:var(--accent)}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-logo img{border-radius:6px}
.footer-logo span{color:var(--white);font-weight:700;font-size:1.1rem}
.footer-bottom{margin-top:30px;padding:20px 0;border-top:1px solid var(--border);text-align:center;color:var(--text-light);font-size:.82rem}

/* Breadcrumb */
.breadcrumb{padding:14px 0;font-size:.85rem;color:var(--text-light)}
.breadcrumb a{color:var(--text-light)}
.breadcrumb a:hover{color:var(--accent)}

/* Inner Hero */
.inner-hero{background:linear-gradient(135deg,rgba(13,17,23,.9),rgba(27,94,32,.4));padding:50px 0 30px;margin-top:70px}
.inner-hero h1{color:var(--white);font-size:2rem;margin-bottom:8px}
.inner-hero p{color:var(--text-light)}

/* Contact Grid */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.contact-info{background:var(--bg-card);border-radius:var(--radius);padding:30px;border:1px solid var(--border)}
.contact-item{display:flex;gap:14px;margin-bottom:20px;align-items:flex-start}
.contact-item .icon{font-size:1.4rem;min-width:30px;text-align:center}
.contact-item .info .label{color:var(--text-light);font-size:.82rem}
.contact-item .info .value{color:var(--white);font-size:.95rem}

/* Video Modal */
.video-modal{display:none;position:fixed;inset:0;z-index:9999}
.modal-overlay{position:absolute;inset:0;background:rgba(0,0,0,.85)}
.modal-content{position:relative;z-index:1;max-width:800px;margin:80px auto;background:var(--bg-card);border-radius:var(--radius);overflow:hidden}
.modal-close{position:absolute;top:12px;right:16px;font-size:1.8rem;color:var(--white);cursor:pointer;z-index:2;background:none;border:none}
.modal-body{padding:40px;text-align:center}
.modal-icon{font-size:4rem;margin-bottom:20px}

/* Lazy Load */
.lazy{opacity:0;transition:opacity .5s}
.lazy.loaded{opacity:1}

/* Responsive */
@media(max-width:768px){
  .main-nav{display:none;position:absolute;top:70px;left:0;width:100%;background:var(--bg);border-bottom:1px solid var(--border);padding:20px}
  .main-nav.active{display:block}
  .main-nav ul{flex-direction:column;gap:4px}
  .mobile-toggle{display:flex}
  .hero-content h1{font-size:1.8rem}
  .hero-content .brand{font-size:2.2rem}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .video-grid{grid-template-columns:1fr}
  .video-grid-h{grid-template-columns:1fr}
  .video-card-h{flex-direction:column}
  .video-card-h .thumb{width:100%;height:200px}
  .expert-grid{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:1fr}
  .module-grid{grid-template-columns:1fr}
  .ai-features{grid-template-columns:1fr}
  .partner-wall{grid-template-columns:repeat(3,1fr)}
  .howto-steps{grid-template-columns:repeat(2,1fr)}
  .platform-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .expert-grid{grid-template-columns:1fr}
  .partner-wall{grid-template-columns:repeat(2,1fr)}
  .howto-steps{grid-template-columns:1fr}
}