/* 每日大赛植物视频社区 - 全站样式表 */
/* ujnts62.cn */

/* ========== Reset & Base ========== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.7;color:#333;background:#f8f9fa}
a{color:#2d8c3c;text-decoration:none;transition:color .2s}
a:hover{color:#1a6b28}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:#1a1a1a}
h1{font-size:2rem}
h2{font-size:1.6rem;margin-bottom:1rem}
h3{font-size:1.25rem;margin-bottom:.6rem}
h4{font-size:1.1rem}
p{margin-bottom:1rem}

/* ========== Container ========== */
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ========== Header ========== */
.site-header{background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.08);position:sticky;top:0;z-index:1000}
.header-inner{display:flex;align-items:center;justify-content:space-between;max-width:1200px;margin:0 auto;padding:12px 20px}
.logo-link{display:flex;align-items:center;gap:8px}
.logo-img{height:42px;width:auto}
.logo-text{font-size:1.4rem;font-weight:800;color:#2d8c3c}
.main-nav{flex:1;margin:0 30px}
.nav-list{display:flex;gap:6px}
.nav-list li a{display:block;padding:8px 16px;border-radius:6px;font-size:.95rem;font-weight:500;color:#555;transition:all .2s}
.nav-list li a:hover,.nav-list li a.nav-active{background:#e8f5e9;color:#2d8c3c}
.header-search{display:flex;align-items:center}
.search-form{display:flex;border:2px solid #e0e0e0;border-radius:24px;overflow:hidden;transition:border-color .2s}
.search-form:focus-within{border-color:#2d8c3c}
.search-input{border:none;outline:none;padding:8px 16px;font-size:.9rem;width:200px;background:transparent}
.search-btn{border:none;background:#2d8c3c;color:#fff;padding:8px 18px;cursor:pointer;font-size:.9rem;transition:background .2s}
.search-btn:hover{background:#1a6b28}
.mobile-menu-btn{display:none;background:none;border:none;font-size:1.6rem;cursor:pointer;color:#555;padding:8px}

/* ========== Hero Banner ========== */
.hero-banner{position:relative;overflow:hidden}
.banner-bg{min-height:560px;background-size:cover;background-position:center;background-repeat:no-repeat;display:flex;align-items:center}
.banner-overlay{width:100%;background:linear-gradient(135deg,rgba(0,60,20,.82) 0%,rgba(20,80,40,.72) 50%,rgba(0,40,20,.65) 100%);padding:80px 0}
.banner-content{max-width:1200px;margin:0 auto;padding:0 20px;color:#fff}
.banner-title{font-size:2.6rem;margin-bottom:20px;text-shadow:0 2px 8px rgba(0,0,0,.3)}
.banner-subtitle{font-size:1.1rem;line-height:1.8;max-width:800px;margin-bottom:30px;opacity:.95}
.banner-btns{display:flex;gap:16px;margin-bottom:40px}
.btn{display:inline-block;padding:12px 32px;border-radius:8px;font-size:1rem;font-weight:600;transition:all .3s;cursor:pointer;text-align:center}
.btn-primary{background:#4caf50;color:#fff;border:2px solid #4caf50}
.btn-primary:hover{background:#388e3c;border-color:#388e3c;color:#fff}
.btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.7)}
.btn-outline:hover{background:rgba(255,255,255,.15);border-color:#fff;color:#fff}
.btn-sm{padding:6px 18px;font-size:.85rem;border-radius:6px}
.banner-stats{display:flex;gap:50px}
.stat-item{text-align:center}
.stat-item strong{display:block;font-size:1.8rem;font-weight:800}
.stat-item span{font-size:.85rem;opacity:.85}

/* ========== Section Common ========== */
section{padding:60px 0}
section:nth-child(even){background:#fff}
.section-header{text-align:center;margin-bottom:40px}
.section-title{font-size:1.8rem;color:#1a1a1a;margin-bottom:12px;position:relative;display:inline-block}
.section-title::after{content:'';display:block;width:60px;height:3px;background:#4caf50;margin:10px auto 0;border-radius:2px}
.section-desc{color:#666;font-size:1rem;max-width:700px;margin:0 auto}
.section-more{text-align:center;margin-top:30px}
.more-link{display:inline-block;padding:10px 28px;border:2px solid #2d8c3c;border-radius:8px;color:#2d8c3c;font-weight:600;transition:all .2s}
.more-link:hover{background:#2d8c3c;color:#fff}

/* ========== Video Grid & Cards ========== */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.06);transition:transform .3s,box-shadow .3s}
.video-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.12)}
.video-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:#e0e0e0}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.play-overlay{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.25);opacity:0;transition:opacity .3s}
.video-card:hover .play-overlay{opacity:1}
.play-btn{width:56px;height:56px;background:rgba(76,175,80,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.4rem;padding-left:4px;transition:transform .2s}
.play-overlay:hover .play-btn{transform:scale(1.1)}
.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-tag{position:absolute;top:8px;left:8px;background:#4caf50;color:#fff;padding:3px 10px;border-radius:4px;font-size:.75rem;font-weight:600}
.video-info{padding:16px}
.video-title{font-size:1rem;margin-bottom:8px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:.8rem;color:#888;margin-bottom:6px}
.video-desc{font-size:.85rem;color:#666;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ========== Service Grid ========== */
.service-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}
.service-card{background:#fff;border-radius:12px;padding:30px;box-shadow:0 2px 12px rgba(0,0,0,.06);transition:transform .3s,box-shadow .3s;border:1px solid #f0f0f0}
.service-card:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(0,0,0,.1)}
.service-icon{font-size:2.4rem;margin-bottom:16px}
.service-card h3{color:#2d8c3c;margin-bottom:10px}
.service-card p{color:#666;font-size:.92rem}

/* ========== AI Features ========== */
.ai-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px}
.ai-card{background:linear-gradient(135deg,#e8f5e9 0%,#f1f8e9 100%);border-radius:12px;padding:30px;border:1px solid #c8e6c9;transition:transform .3s}
.ai-card:hover{transform:translateY(-3px)}
.ai-icon{font-size:2.4rem;margin-bottom:16px}
.ai-card h3{color:#2d8c3c;margin-bottom:10px;font-size:1.1rem}
.ai-card p{color:#555;font-size:.92rem}

/* ========== Community Grid ========== */
.community-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.community-card{background:#fff;border-radius:10px;padding:24px;border:1px solid #e8e8e8;transition:all .3s}
.community-card:hover{border-color:#4caf50;box-shadow:0 4px 16px rgba(76,175,80,.12)}
.community-card h4{margin-bottom:10px;color:#2d8c3c}
.community-card p{font-size:.88rem;color:#666;margin-bottom:10px}
.community-stat{font-size:.78rem;color:#999;display:block}

/* ========== Expert Grid ========== */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.expert-card{background:#fff;border-radius:12px;padding:28px;text-align:center;box-shadow:0 2px 12px rgba(0,0,0,.06);transition:transform .3s}
.expert-card:hover{transform:translateY(-3px)}
.expert-photo{width:120px;height:120px;border-radius:50%;object-fit:cover;margin:0 auto 16px;border:3px solid #e8f5e9}
.expert-role{color:#4caf50;font-size:.9rem;margin-bottom:10px;font-weight:600}
.expert-desc{font-size:.88rem;color:#666;margin-bottom:12px}
.expert-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin-bottom:14px}
.expert-tags span{background:#e8f5e9;color:#2d8c3c;padding:3px 10px;border-radius:12px;font-size:.75rem}
.expert-actions{display:flex;justify-content:center;gap:10px}

/* ========== HowTo Section ========== */
.howto-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:24px}
.howto-step{background:#fff;border-radius:12px;padding:28px;text-align:center;border:1px solid #e8e8e8;transition:all .3s}
.howto-step:hover{border-color:#4caf50;box-shadow:0 4px 16px rgba(76,175,80,.12)}
.step-num{font-size:2.4rem;font-weight:800;color:#4caf50;margin-bottom:12px}
.howto-step h3{margin-bottom:10px}
.howto-step p{font-size:.9rem;color:#666}

/* ========== Reviews ========== */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:20px}
.review-card{background:#fff;border-radius:10px;padding:24px;border:1px solid #e8e8e8;transition:all .3s}
.review-card:hover{box-shadow:0 4px 16px rgba(0,0,0,.08)}
.review-stars{color:#ffc107;font-size:1.2rem;margin-bottom:10px;letter-spacing:2px}
.review-text{font-size:.92rem;color:#555;font-style:italic;margin-bottom:12px;line-height:1.7}
.review-author{font-size:.82rem;color:#999}

/* ========== FAQ ========== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;border:1px solid #e8e8e8;overflow:hidden;transition:all .3s}
.faq-item:hover{border-color:#4caf50}
.faq-question{padding:18px 24px;cursor:pointer;font-size:1rem;font-weight:600;color:#333;position:relative;padding-right:40px}
.faq-question::after{content:'+';position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:1.4rem;color:#4caf50;transition:transform .3s}
.faq-item.active .faq-question::after{transform:translateY(-50%) rotate(45deg)}
.faq-answer{padding:0 24px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease}
.faq-item.active .faq-answer{max-height:500px;padding:0 24px 18px}
.faq-answer p{font-size:.92rem;color:#666}

/* ========== Share Buttons ========== */
.share-buttons{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.share-btn{display:inline-block;padding:10px 24px;border-radius:8px;color:#fff;font-size:.9rem;font-weight:600;transition:all .2s}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#00a1d6}
.share-btn:hover{opacity:.85;transform:translateY(-2px);color:#fff}

/* ========== Contact ========== */
.contact-grid{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:start}
.contact-info h2,.contact-info h3{margin-bottom:16px;color:#2d8c3c}
.contact-list{margin-bottom:20px}
.contact-list li{padding:8px 0;border-bottom:1px solid #f0f0f0;font-size:.92rem}
.contact-qrcodes{display:flex;gap:24px}
.qrcode-item{text-align:center}
.qrcode-item img{border-radius:8px;border:1px solid #e8e8e8}
.qrcode-item p{margin-top:8px;font-size:.85rem;color:#666}

/* ========== Partners ========== */
.partner-logos{display:flex;flex-wrap:wrap;justify-content:center;gap:16px}
.partner-item{background:#fff;padding:12px 24px;border-radius:8px;border:1px solid #e8e8e8;font-size:.9rem;color:#666;transition:all .2s}
.partner-item:hover{border-color:#4caf50;color:#2d8c3c}

/* ========== Tag Cloud ========== */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.tag-link{display:inline-block;padding:6px 16px;background:#e8f5e9;color:#2d8c3c;border-radius:20px;font-size:.85rem;transition:all .2s}
.tag-link:hover{background:#4caf50;color:#fff}

/* ========== Timeline ========== */
.timeline{max-width:700px;margin:0 auto;padding-left:30px;border-left:3px solid #4caf50}
.timeline-item{padding:16px 0 16px 20px;position:relative;font-size:.95rem;color:#555}
.timeline-item::before{content:'';position:absolute;left:-36px;top:22px;width:12px;height:12px;border-radius:50%;background:#4caf50;border:3px solid #e8f5e9}
.timeline-item strong{color:#2d8c3c}

/* ========== Article List ========== */
.article-list{display:flex;flex-direction:column;gap:16px}
.article-item{background:#fff;border-radius:10px;padding:24px;border:1px solid #e8e8e8;transition:all .3s}
.article-item:hover{border-color:#4caf50;box-shadow:0 4px 16px rgba(76,175,80,.08)}
.article-item h3{color:#333;margin-bottom:8px}
.article-item p{font-size:.9rem;color:#666;margin-bottom:8px}
.article-meta{font-size:.8rem;color:#999}

/* ========== Content Block ========== */
.content-block{max-width:800px;margin:0 auto;background:#fff;border-radius:12px;padding:36px;box-shadow:0 2px 12px rgba(0,0,0,.06)}
.content-block h2{color:#2d8c3c;margin-top:28px;margin-bottom:12px;padding-top:20px;border-top:1px solid #f0f0f0}
.content-block h2:first-child{border-top:none;padding-top:0;margin-top:0}
.content-block h3{color:#333;margin-top:20px;margin-bottom:10px}
.content-block p{font-size:.95rem;color:#555;line-height:1.8}

/* ========== Page Inner ========== */
.page-main{padding:40px 0 60px}
.page-title{font-size:2rem;margin-bottom:16px;color:#1a1a1a}
.page-intro{font-size:1rem;color:#555;line-height:1.8;margin-bottom:30px;max-width:900px}
.breadcrumb{font-size:.85rem;color:#888;margin-bottom:20px}
.breadcrumb a{color:#2d8c3c}

/* ========== Footer ========== */
.site-footer{background:#1a2e1a;color:#ccc;padding:50px 0 0}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{max-width:320px}
.footer-logo{margin-bottom:12px;filter:brightness(1.5)}
.footer-brand p{font-size:.88rem;line-height:1.7;color:#aaa}
.footer-links h4,.footer-contact h4{color:#fff;margin-bottom:14px;font-size:1rem}
.footer-links ul li{margin-bottom:8px}
.footer-links ul li a{color:#aaa;font-size:.88rem;transition:color .2s}
.footer-links ul li a:hover{color:#4caf50}
.footer-contact p{font-size:.85rem;margin-bottom:6px;color:#aaa}
.footer-bottom{padding:20px 0;text-align:center;font-size:.82rem;color:#777}
.footer-bottom a{color:#4caf50}

/* ========== Mobile Responsive ========== */
@media(max-width:992px){
    .header-inner{flex-wrap:wrap}
    .main-nav{order:3;width:100%;margin:10px 0 0}
    .nav-list{flex-wrap:wrap;justify-content:center}
    .header-search{order:2}
    .banner-bg{min-height:auto}
    .banner-overlay{padding:50px 0}
    .banner-title{font-size:2rem}
    .banner-stats{gap:30px}
    .stat-item strong{font-size:1.4rem}
    .footer-top{grid-template-columns:1fr 1fr}
    .contact-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
    .main-nav{display:none}
    .main-nav.active{display:block}
    .nav-list{flex-direction:column;align-items:stretch}
    .mobile-menu-btn{display:block}
    .header-search{display:none}
    .banner-title{font-size:1.6rem}
    .banner-subtitle{font-size:.95rem}
    .banner-btns{flex-direction:column;gap:10px}
    .banner-stats{flex-direction:column;gap:16px}
    .video-grid{grid-template-columns:1fr}
    .service-grid{grid-template-columns:1fr}
    .ai-grid{grid-template-columns:1fr}
    .community-grid{grid-template-columns:1fr}
    .expert-grid{grid-template-columns:1fr}
    .howto-grid{grid-template-columns:1fr}
    .review-grid{grid-template-columns:1fr}
    .footer-top{grid-template-columns:1fr}
    .contact-qrcodes{flex-direction:column;align-items:center}
    h1{font-size:1.6rem}
    h2{font-size:1.3rem}
}

/* ========== Interference Tag Styles (hidden) ========== */
.drt-hidden,[data-drt]{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important;padding:0!important;margin:-1px!important}