/* 91 植物视频社区 - 全站样式表 */
/* Reset & Base */
*,*::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;color:#333;background:#f8faf5;line-height:1.8;overflow-x:hidden}
a{color:#2e8b57;text-decoration:none;transition:color .3s}
a:hover{color:#1a6b3a}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

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

/* Header */
.site-header{background:linear-gradient(135deg,#1a3a2a 0%,#2e8b57 100%);position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(0,0,0,.15)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;max-width:1200px;margin:0 auto}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{height:48px;width:auto}
.logo-wrap .brand-name{color:#fff;font-size:24px;font-weight:700;letter-spacing:2px}
.logo-wrap .brand-sub{color:rgba(255,255,255,.8);font-size:12px;display:block}

/* Navigation */
.main-nav{display:flex;align-items:center;gap:0}
.main-nav a{color:rgba(255,255,255,.9);padding:10px 16px;font-size:15px;font-weight:500;transition:all .3s;border-radius:6px}
.main-nav a:hover,.main-nav a.active{background:rgba(255,255,255,.15);color:#fff}
.mobile-menu-btn{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer}

/* Search Box */
.search-bar{background:#eef5ea;padding:16px 0;border-bottom:1px solid #d4e8c8}
.search-bar .container{display:flex;justify-content:center}
.search-box{display:flex;max-width:600px;width:100%;border-radius:30px;overflow:hidden;box-shadow:0 2px 10px rgba(46,139,87,.15)}
.search-box input{flex:1;padding:12px 24px;border:2px solid #2e8b57;border-right:none;border-radius:30px 0 0 30px;font-size:15px;outline:none;transition:border-color .3s}
.search-box input:focus{border-color:#1a6b3a}
.search-box button{padding:12px 28px;background:#2e8b57;color:#fff;border:none;font-size:15px;cursor:pointer;transition:background .3s;border-radius:0 30px 30px 0}
.search-box button:hover{background:#1a6b3a}

/* Banner */
.hero-banner{position:relative;height:520px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero-banner img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(26,58,42,.85) 0%,rgba(46,139,87,.6) 100%)}
.hero-content{position:relative;z-index:2;text-align:center;color:#fff;max-width:800px;padding:0 20px}
.hero-content h1{font-size:48px;font-weight:800;margin-bottom:16px;text-shadow:0 2px 10px rgba(0,0,0,.3);line-height:1.3}
.hero-content h1 .brand-hl{color:#7ddf64;font-size:56px}
.hero-content p{font-size:18px;opacity:.95;margin-bottom:24px;line-height:1.8}
.hero-content .hero-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.hero-content .hero-tags span{background:rgba(255,255,255,.15);backdrop-filter:blur(5px);padding:6px 16px;border-radius:20px;font-size:13px;border:1px solid rgba(255,255,255,.2)}
.hero-btns{display:flex;gap:16px;justify-content:center;margin-top:24px}
.hero-btns a{padding:14px 32px;border-radius:30px;font-weight:600;font-size:16px;transition:all .3s}
.btn-primary{background:#2e8b57;color:#fff;box-shadow:0 4px 15px rgba(46,139,87,.4)}
.btn-primary:hover{background:#1a6b3a;transform:translateY(-2px);color:#fff}
.btn-outline{border:2px solid #fff;color:#fff}
.btn-outline:hover{background:#fff;color:#2e8b57}

/* Section Common */
.section{padding:60px 0}
.section-alt{background:#fff}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:32px;font-weight:700;color:#1a3a2a;margin-bottom:8px}
.section-title h2 .hl{color:#2e8b57}
.section-title p{color:#666;font-size:16px}
.section-title .breadcrumb{font-size:13px;color:#999;margin-top:6px}
.section-title .breadcrumb a{color:#2e8b57}

/* Video Cards Grid */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.08);transition:all .3s;cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:0 8px 30px rgba(46,139,87,.15)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:#e8f0e4}
.video-thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .video-thumb img{transform:scale(1.08)}
.video-play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:56px;height:56px;background:rgba(46,139,87,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;box-shadow:0 4px 15px rgba(0,0,0,.3)}
.video-card:hover .video-play-btn{opacity:1}
.video-play-btn::after{content:"";display:block;width:0;height:0;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:12px}
.video-info{padding:14px}
.video-info h3{font-size:15px;font-weight:600;color:#1a3a2a;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:#999}
.video-meta span{display:flex;align-items:center;gap:3px}
.video-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.video-tags span{background:#eef5ea;color:#2e8b57;padding:2px 10px;border-radius:12px;font-size:11px}

/* Module Cards */
.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.module-card{background:#fff;border-radius:12px;padding:30px;text-align:center;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:all .3s;border:1px solid #e8f0e4}
.module-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(46,139,87,.12);border-color:#2e8b57}
.module-icon{width:64px;height:64px;background:linear-gradient(135deg,#2e8b57,#7ddf64);border-radius:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:28px;color:#fff}
.module-card h3{font-size:18px;font-weight:600;color:#1a3a2a;margin-bottom:8px}
.module-card p{font-size:14px;color:#666;line-height:1.7}

/* Trust Bar (EEAT) */
.trust-bar{background:linear-gradient(90deg,#2e8b57,#1a6b3a);padding:12px 0;color:#fff}
.trust-items{display:flex;justify-content:center;gap:32px;flex-wrap:wrap}
.trust-item{display:flex;align-items:center;gap:6px;font-size:14px;font-weight:500}
.trust-icon{font-size:18px}

/* Expert Cards */
.expert-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:24px}
.expert-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.08);text-align:center;transition:all .3s}
.expert-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(46,139,87,.15)}
.expert-card img{width:100%;aspect-ratio:1;object-fit:cover}
.expert-card .expert-info{padding:16px}
.expert-card h3{font-size:16px;font-weight:600;color:#1a3a2a;margin-bottom:4px}
.expert-card .expert-title{font-size:13px;color:#2e8b57;margin-bottom:8px}
.expert-card p{font-size:13px;color:#666;line-height:1.6}
.expert-card .expert-btns{display:flex;gap:8px;padding:0 16px 16px;justify-content:center}
.expert-card .expert-btns a{padding:6px 14px;border-radius:20px;font-size:12px;border:1px solid #2e8b57;color:#2e8b57;transition:all .3s}
.expert-card .expert-btns a:hover{background:#2e8b57;color:#fff}

/* Partner Logos */
.partner-wall{display:flex;flex-wrap:wrap;gap:24px;justify-content:center;align-items:center}
.partner-wall .partner-item{background:#fff;padding:20px 30px;border-radius:12px;box-shadow:0 2px 10px rgba(0,0,0,.06);font-size:18px;font-weight:700;color:#1a3a2a;transition:all .3s;border:1px solid #e8f0e4}
.partner-wall .partner-item:hover{border-color:#2e8b57;box-shadow:0 4px 20px rgba(46,139,87,.12)}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:12px;margin-bottom:12px;box-shadow:0 2px 10px rgba(0,0,0,.05);overflow:hidden;border:1px solid #e8f0e4}
.faq-item .faq-q{padding:18px 24px;font-weight:600;color:#1a3a2a;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.faq-item .faq-q:hover{background:#eef5ea}
.faq-item .faq-q::after{content:"+";font-size:20px;color:#2e8b57;transition:transform .3s}
.faq-item.active .faq-q::after{transform:rotate(45deg)}
.faq-item .faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:all .3s;color:#666;font-size:14px;line-height:1.8}
.faq-item.active .faq-a{padding:0 24px 18px;max-height:500px}

/* Reviews */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.review-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 20px rgba(0,0,0,.06);border-left:4px solid #2e8b57}
.review-card .review-stars{color:#f5a623;font-size:16px;margin-bottom:8px}
.review-card p{font-size:14px;color:#555;line-height:1.8;margin-bottom:12px;font-style:italic}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.review-card .reviewer-avatar{width:40px;height:40px;border-radius:50%;background:#2e8b57;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px}
.review-card .reviewer-name{font-weight:600;color:#1a3a2a;font-size:14px}
.review-card .reviewer-date{font-size:12px;color:#999}

/* Contact Section */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:40px;align-items:start}
.contact-info{background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 20px rgba(0,0,0,.06)}
.contact-info h3{font-size:20px;font-weight:600;color:#1a3a2a;margin-bottom:16px}
.contact-info .info-item{display:flex;align-items:flex-start;gap:12px;margin-bottom:14px;font-size:14px;color:#555}
.contact-info .info-item .label{font-weight:600;color:#1a3a2a;min-width:80px}
.contact-qr{display:flex;gap:24px;justify-content:center}
.contact-qr .qr-item{text-align:center}
.contact-qr .qr-item img{width:160px;height:160px;border-radius:8px;margin-bottom:8px}
.contact-qr .qr-item p{font-size:13px;color:#666}

/* Social Share */
.share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.share-bar a{display:flex;align-items:center;gap:6px;padding:8px 18px;border-radius:20px;font-size:13px;color:#fff;transition:all .3s}
.share-bar a:hover{transform:translateY(-2px);color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#00a1d6}

/* Footer */
.site-footer{background:linear-gradient(135deg,#0d2818 0%,#1a3a2a 100%);color:rgba(255,255,255,.8);padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-col h4{color:#7ddf64;font-size:16px;margin-bottom:16px;font-weight:600}
.footer-col a{display:block;color:rgba(255,255,255,.7);font-size:14px;margin-bottom:8px;transition:color .3s}
.footer-col a:hover{color:#7ddf64}
.footer-col p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.6)}
.footer-bottom{padding:20px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom a{color:#7ddf64}
.footer-logo{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.footer-logo img{height:36px}
.footer-logo span{color:#fff;font-size:20px;font-weight:700}

/* MCP Frontend Code Block */
.mcp-block{background:#0d2818;border:1px solid rgba(125,223,100,.2);border-radius:8px;padding:16px;margin-top:20px;font-family:monospace;font-size:12px;color:#7ddf64;overflow-x:auto}

/* How-To Guide */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.howto-step{text-align:center;padding:24px;background:#fff;border-radius:12px;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.howto-step .step-num{width:48px;height:48px;background:#2e8b57;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;margin:0 auto 12px}
.howto-step h4{font-size:15px;color:#1a3a2a;margin-bottom:6px}
.howto-step p{font-size:13px;color:#666}

/* Short Video Scroll */
.short-video-scroll{display:flex;gap:16px;overflow-x:auto;padding:10px 0;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.short-video-scroll::-webkit-scrollbar{height:6px}
.short-video-scroll::-webkit-scrollbar-thumb{background:#2e8b57;border-radius:3px}
.short-video-item{flex:0 0 200px;scroll-snap-align:start;border-radius:16px;overflow:hidden;position:relative;aspect-ratio:9/16;background:#1a3a2a}
.short-video-item img{width:100%;height:100%;object-fit:cover}
.short-video-item .sv-overlay{position:absolute;bottom:0;left:0;right:0;padding:12px;background:linear-gradient(transparent,rgba(0,0,0,.8));color:#fff}
.short-video-item .sv-overlay p{font-size:12px;margin-bottom:4px}
.short-video-item .sv-overlay .sv-meta{font-size:11px;opacity:.8}
.short-video-item .video-play-btn{width:44px;height:44px}

/* AI Module */
.ai-features{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ai-card{background:linear-gradient(135deg,#f0faf0,#e8f5e0);border-radius:12px;padding:28px;border:1px solid #c8e6c0;transition:all .3s}
.ai-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(46,139,87,.12)}
.ai-card h3{font-size:17px;font-weight:600;color:#1a3a2a;margin-bottom:10px}
.ai-card p{font-size:14px;color:#555;line-height:1.7}
.ai-card .ai-icon{font-size:36px;margin-bottom:12px}

/* Community Cards */
.community-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.community-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:all .3s}
.community-card:hover{transform:translateY(-4px)}
.community-card img{width:100%;height:180px;object-fit:cover}
.community-card .cc-body{padding:16px}
.community-card h3{font-size:16px;font-weight:600;color:#1a3a2a;margin-bottom:6px}
.community-card p{font-size:13px;color:#666;line-height:1.7}
.community-card .cc-stats{display:flex;gap:12px;margin-top:10px;font-size:12px;color:#999}

/* Inner Page */
.page-hero{background:linear-gradient(135deg,#1a3a2a,#2e8b57);padding:60px 0;text-align:center;color:#fff}
.page-hero h1{font-size:36px;font-weight:700;margin-bottom:8px}
.page-hero p{font-size:16px;opacity:.9}
.page-hero .breadcrumb{margin-top:12px;font-size:13px}
.page-hero .breadcrumb a{color:#7ddf64}
.page-content{padding:50px 0}
.page-content h2{font-size:26px;font-weight:700;color:#1a3a2a;margin:30px 0 16px}
.page-content h3{font-size:20px;font-weight:600;color:#2e8b57;margin:24px 0 12px}
.page-content p{font-size:15px;color:#555;line-height:1.9;margin-bottom:16px}

/* Responsive */
@media(max-width:1024px){
.video-grid{grid-template-columns:repeat(3,1fr)}
.expert-grid{grid-template-columns:repeat(3,1fr)}
.footer-grid{grid-template-columns:repeat(2,1fr)}
.howto-steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.header-inner{flex-wrap:wrap}
.main-nav{display:none;flex-direction:column;width:100%;padding:10px 0}
.main-nav.active{display:flex}
.mobile-menu-btn{display:block}
.hero-banner{height:400px}
.hero-content h1{font-size:28px}
.hero-content h1 .brand-hl{font-size:34px}
.video-grid{grid-template-columns:repeat(2,1fr)}
.module-grid{grid-template-columns:1fr}
.ai-features{grid-template-columns:1fr}
.community-grid{grid-template-columns:1fr}
.review-grid{grid-template-columns:1fr}
.contact-grid{grid-template-columns:1fr}
.expert-grid{grid-template-columns:repeat(2,1fr)}
.trust-items{gap:16px;font-size:12px}
.footer-grid{grid-template-columns:1fr}
.howto-steps{grid-template-columns:1fr}
.section{padding:40px 0}
.section-title h2{font-size:24px}
}
@media(max-width:480px){
.video-grid{grid-template-columns:1fr}
.expert-grid{grid-template-columns:1fr}
.hero-banner{height:320px}
.hero-content h1{font-size:22px}
}