/* 麻豆视频植物视频社区 - 主样式文件 | xrcwfkL.cn */
/* ===== CSS Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:'PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;color:#222;background:#fff;line-height:1.7;overflow-x:hidden}
a{color:#2e7d32;text-decoration:none;transition:color .3s}
a:hover{color:#1b5e20}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{cursor:pointer;border:none;outline:none}
input,textarea,select{outline:none;font-family:inherit}

/* ===== 干扰标签隐藏 ===== */
.seo-noise{display:none!important;visibility:hidden!important;height:0!important;width:0!important;overflow:hidden!important;position:absolute!important;left:-9999px!important;font-size:0!important}

/* ===== 变量 ===== */
:root{
  --green-dark:#1b5e20;
  --green-main:#2e7d32;
  --green-mid:#388e3c;
  --green-light:#66bb6a;
  --green-pale:#e8f5e9;
  --gold:#f9a825;
  --text-dark:#1a1a1a;
  --text-mid:#444;
  --text-light:#888;
  --border:#e0e0e0;
  --shadow:0 4px 20px rgba(0,0,0,.1);
  --radius:12px;
  --radius-sm:8px;
}

/* ===== 顶部公告栏 ===== */
.top-bar{background:var(--green-dark);color:#fff;text-align:center;padding:6px 0;font-size:13px;letter-spacing:.5px}
.top-bar a{color:#a5d6a7}

/* ===== 头部导航 ===== */
.site-header{background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.08);position:sticky;top:0;z-index:1000}
.header-inner{max-width:1280px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:70px}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{width:44px;height:44px;border-radius:50%;object-fit:cover}
.logo-text{font-size:22px;font-weight:700;color:var(--green-dark);letter-spacing:1px}
.logo-text span{color:var(--green-light)}

/* 主导航 */
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{padding:8px 14px;border-radius:6px;font-size:15px;font-weight:500;color:var(--text-dark);transition:all .25s}
.main-nav a:hover,.main-nav a.active{background:var(--green-pale);color:var(--green-main)}
.nav-dropdown{position:relative}
.nav-dropdown .dropdown-menu{display:none;position:absolute;top:100%;left:0;background:#fff;border-radius:var(--radius-sm);box-shadow:var(--shadow);min-width:160px;z-index:999;padding:8px 0}
.nav-dropdown:hover .dropdown-menu{display:block}
.dropdown-menu a{display:block;padding:9px 18px;font-size:14px;color:var(--text-dark)}
.dropdown-menu a:hover{background:var(--green-pale);color:var(--green-main)}

/* 搜索框 */
.search-wrap{display:flex;align-items:center;gap:8px}
.search-box{display:flex;border:2px solid var(--green-light);border-radius:24px;overflow:hidden;background:#fff}
.search-box input{padding:7px 14px;font-size:14px;border:none;width:180px;color:var(--text-dark)}
.search-box button{background:var(--green-main);color:#fff;padding:7px 16px;font-size:14px;transition:background .2s}
.search-box button:hover{background:var(--green-dark)}

/* 移动端菜单按钮 */
.menu-toggle{display:none;flex-direction:column;gap:5px;padding:8px;cursor:pointer}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--green-dark);transition:all .3s}

/* ===== 搜索栏(导航下方) ===== */
.search-bar-full{background:var(--green-pale);padding:14px 0;border-bottom:1px solid var(--border)}
.search-bar-full .inner{max-width:700px;margin:0 auto;padding:0 20px;display:flex;gap:10px}
.search-bar-full input{flex:1;padding:10px 18px;border:2px solid var(--green-light);border-radius:24px;font-size:15px;background:#fff}
.search-bar-full button{background:var(--green-main);color:#fff;padding:10px 28px;border-radius:24px;font-size:15px;font-weight:600;transition:background .2s}
.search-bar-full button:hover{background:var(--green-dark)}

/* ===== Banner ===== */
.hero-banner{position:relative;height:520px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero-banner .bg-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(27,94,32,.75) 0%,rgba(0,0,0,.35) 100%);z-index:1}
.hero-content{position:relative;z-index:2;text-align:center;color:#fff;padding:0 20px;max-width:800px}
.hero-content h1{font-size:clamp(28px,5vw,52px);font-weight:800;letter-spacing:2px;text-shadow:0 2px 8px rgba(0,0,0,.4);margin-bottom:14px}
.hero-content p{font-size:clamp(14px,2vw,18px);opacity:.92;margin-bottom:28px;line-height:1.8}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn-primary{background:var(--green-main);color:#fff;padding:13px 32px;border-radius:30px;font-size:16px;font-weight:600;transition:all .3s;box-shadow:0 4px 16px rgba(46,125,50,.4)}
.btn-primary:hover{background:var(--green-dark);transform:translateY(-2px);color:#fff}
.btn-outline{background:transparent;color:#fff;padding:12px 30px;border-radius:30px;font-size:16px;font-weight:600;border:2px solid rgba(255,255,255,.8);transition:all .3s}
.btn-outline:hover{background:rgba(255,255,255,.15);transform:translateY(-2px)}

/* ===== 通用容器 ===== */
.container{max-width:1280px;margin:0 auto;padding:0 20px}
.section{padding:60px 0}
.section-alt{background:var(--green-pale)}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:clamp(22px,3vw,34px);font-weight:700;color:var(--green-dark);margin-bottom:10px}
.section-title p{color:var(--text-mid);font-size:16px;max-width:600px;margin:0 auto}
.section-title .tag{display:inline-block;background:var(--green-main);color:#fff;padding:4px 14px;border-radius:20px;font-size:13px;margin-bottom:10px;letter-spacing:.5px}

/* ===== 面包屑 ===== */
.breadcrumb{background:var(--green-pale);padding:10px 0;font-size:13px;color:var(--text-light)}
.breadcrumb .container{display:flex;gap:6px;align-items:center}
.breadcrumb a{color:var(--green-main)}
.breadcrumb span{color:var(--text-light)}

/* ===== 视频卡片 ===== */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px}
.video-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.07);transition:all .3s;cursor:pointer}
.video-card:hover{transform:translateY(-5px);box-shadow:0 8px 28px rgba(0,0,0,.14)}
.video-thumb{position:relative;overflow:hidden;aspect-ratio:16/9}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .video-thumb img{transform:scale(1.06)}
.play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.0);transition:background .3s}
.play-btn svg{width:56px;height:56px;opacity:0;transform:scale(.8);transition:all .3s}
.video-card:hover .play-btn{background:rgba(0,0,0,.35)}
.video-card:hover .play-btn svg{opacity:1;transform:scale(1)}
.video-badge{position:absolute;top:10px;left:10px;background:var(--green-main);color:#fff;padding:3px 10px;border-radius:12px;font-size:12px;font-weight:600}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.7);color:#fff;padding:2px 8px;border-radius:6px;font-size:12px}
.video-info{padding:14px}
.video-info h3{font-size:15px;font-weight:600;color:var(--text-dark);margin-bottom:8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:12px;font-size:13px;color:var(--text-light);align-items:center;flex-wrap:wrap}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.video-tags .vtag{background:var(--green-pale);color:var(--green-main);padding:2px 8px;border-radius:10px;font-size:12px}

/* ===== 精选视频区 ===== */
.featured-video{background:#111;border-radius:var(--radius);overflow:hidden;position:relative;aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;margin-bottom:30px}
.featured-video img{width:100%;height:100%;object-fit:cover;opacity:.7}
.featured-play{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;gap:16px}
.featured-play svg{width:80px;height:80px;filter:drop-shadow(0 0 20px rgba(255,255,255,.4));transition:transform .3s}
.featured-video:hover .featured-play svg{transform:scale(1.1)}
.featured-play h3{font-size:22px;font-weight:700;text-shadow:0 2px 8px rgba(0,0,0,.5)}

/* ===== 模块卡片 ===== */
.module-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px}
.module-card{background:#fff;border-radius:var(--radius);padding:28px 20px;text-align:center;box-shadow:0 2px 12px rgba(0,0,0,.06);transition:all .3s;border:2px solid transparent}
.module-card:hover{border-color:var(--green-light);transform:translateY(-4px);box-shadow:0 8px 24px rgba(46,125,50,.12)}
.module-icon{width:60px;height:60px;background:var(--green-pale);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:28px}
.module-card h3{font-size:16px;font-weight:600;color:var(--green-dark);margin-bottom:8px}
.module-card p{font-size:14px;color:var(--text-mid);line-height:1.6}

/* ===== 专家卡片 ===== */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px}
.expert-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:all .3s}
.expert-card:hover{transform:translateY(-5px)}
.expert-avatar{width:100%;aspect-ratio:1;overflow:hidden}
.expert-avatar img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.expert-card:hover .expert-avatar img{transform:scale(1.05)}
.expert-info{padding:18px}
.expert-info h3{font-size:17px;font-weight:700;color:var(--green-dark);margin-bottom:4px}
.expert-title{font-size:13px;color:var(--green-main);font-weight:500;margin-bottom:8px}
.expert-desc{font-size:14px;color:var(--text-mid);margin-bottom:12px;line-height:1.6}
.expert-awards{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.award-tag{background:#fff8e1;color:#f57f17;padding:3px 10px;border-radius:12px;font-size:12px;border:1px solid #ffe082}
.expert-btns{display:flex;gap:8px}
.btn-sm{padding:7px 14px;border-radius:20px;font-size:13px;font-weight:500;transition:all .2s}
.btn-green{background:var(--green-main);color:#fff}
.btn-green:hover{background:var(--green-dark);color:#fff}
.btn-ghost{border:1px solid var(--green-main);color:var(--green-main)}
.btn-ghost:hover{background:var(--green-pale)}

/* ===== 评价区 ===== */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.review-card{background:#fff;border-radius:var(--radius);padding:22px;box-shadow:0 2px 12px rgba(0,0,0,.06);border-left:4px solid var(--green-light)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:44px;height:44px;border-radius:50%;background:var(--green-pale);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;color:var(--green-main);flex-shrink:0}
.review-name{font-weight:600;font-size:15px;color:var(--text-dark)}
.review-date{font-size:12px;color:var(--text-light)}
.stars{color:var(--gold);font-size:14px;margin-bottom:8px}
.review-text{font-size:14px;color:var(--text-mid);line-height:1.7}

/* ===== FAQ ===== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border);overflow:hidden}
.faq-q{display:flex;justify-content:space-between;align-items:center;padding:18px 0;cursor:pointer;font-size:16px;font-weight:600;color:var(--text-dark);transition:color .2s}
.faq-q:hover{color:var(--green-main)}
.faq-q .icon{width:24px;height:24px;background:var(--green-pale);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--green-main);font-size:18px;flex-shrink:0;transition:transform .3s}
.faq-item.open .faq-q .icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;font-size:14px;color:var(--text-mid);line-height:1.8}
.faq-item.open .faq-a{max-height:300px;padding-bottom:16px}

/* ===== 合作品牌 ===== */
.brand-wall{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center}
.brand-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 24px;font-size:15px;font-weight:600;color:var(--text-mid);transition:all .3s}
.brand-item:hover{border-color:var(--green-light);color:var(--green-main);box-shadow:0 4px 14px rgba(46,125,50,.1)}

/* ===== 联系区 ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-info h3{font-size:20px;font-weight:700;color:var(--green-dark);margin-bottom:16px}
.contact-item{display:flex;gap:12px;margin-bottom:14px;align-items:flex-start}
.contact-icon{width:36px;height:36px;background:var(--green-pale);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.contact-text strong{display:block;font-size:14px;color:var(--text-dark);margin-bottom:2px}
.contact-text span{font-size:13px;color:var(--text-mid)}
.qr-row{display:flex;gap:20px;flex-wrap:wrap;margin-top:20px}
.qr-item{text-align:center}
.qr-item img{width:120px;height:120px;border-radius:var(--radius-sm);border:2px solid var(--border)}
.qr-item p{font-size:13px;color:var(--text-mid);margin-top:6px}

/* ===== 社交分享 ===== */
.share-bar{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;padding:20px 0}
.share-btn{display:flex;align-items:center;gap:7px;padding:9px 18px;border-radius:24px;font-size:14px;font-weight:500;transition:all .2s;border:1px solid transparent}
.share-wechat{background:#07c160;color:#fff}
.share-weibo{background:#e6162d;color:#fff}
.share-douyin{background:#000;color:#fff}
.share-bili{background:#00a1d6;color:#fff}
.share-btn:hover{opacity:.85;transform:translateY(-2px);color:#fff}

/* ===== 统计数字 ===== */
.stats-bar{background:var(--green-dark);color:#fff;padding:40px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat-item h3{font-size:clamp(28px,4vw,44px);font-weight:800;color:#a5d6a7;margin-bottom:6px}
.stat-item p{font-size:14px;opacity:.85}

/* ===== 加入社区指南 ===== */
.join-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px;counter-reset:step}
.step-card{background:#fff;border-radius:var(--radius);padding:24px;text-align:center;box-shadow:0 2px 12px rgba(0,0,0,.06);position:relative}
.step-num{width:40px;height:40px;background:var(--green-main);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;margin:0 auto 14px}
.step-card h4{font-size:15px;font-weight:600;color:var(--green-dark);margin-bottom:8px}
.step-card p{font-size:13px;color:var(--text-mid);line-height:1.6}

/* ===== 页脚 ===== */
.site-footer{background:#1a2e1a;color:#ccc;padding:50px 0 20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand .logo-text{color:#fff;font-size:20px;margin-bottom:12px;display:block}
.footer-brand p{font-size:14px;line-height:1.8;color:#aaa;margin-bottom:16px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{color:#aaa;font-size:14px;transition:color .2s}
.footer-col ul li a:hover{color:#a5d6a7}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:gap;gap:12px;font-size:13px;color:#888}
.footer-bottom a{color:#aaa}
.footer-bottom a:hover{color:#a5d6a7}
.update-time{font-size:12px;color:#666}

/* ===== 内页Hero ===== */
.page-hero{background:linear-gradient(135deg,var(--green-dark),var(--green-mid));color:#fff;padding:50px 0;text-align:center}
.page-hero h1{font-size:clamp(24px,4vw,40px);font-weight:700;margin-bottom:10px}
.page-hero p{font-size:16px;opacity:.9}

/* ===== 标签云 ===== */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;padding:20px 0}
.tag-cloud a{background:var(--green-pale);color:var(--green-main);padding:6px 16px;border-radius:20px;font-size:14px;transition:all .2s;border:1px solid transparent}
.tag-cloud a:hover{background:var(--green-main);color:#fff}

/* ===== 视频播放弹窗 ===== */
.video-modal{display:none;position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:9999;align-items:center;justify-content:center}
.video-modal.active{display:flex}
.modal-inner{background:#000;border-radius:var(--radius);overflow:hidden;width:90%;max-width:800px;position:relative}
.modal-close{position:absolute;top:10px;right:14px;color:#fff;font-size:28px;cursor:pointer;z-index:10;line-height:1}
.modal-inner video{width:100%;display:block}
.modal-placeholder{aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;background:#111}

/* ===== AI赋能区 ===== */
.ai-feature{background:linear-gradient(135deg,#0d1b0d,#1b3a1b);border-radius:var(--radius);padding:40px;color:#fff;margin-bottom:20px}
.ai-feature h3{font-size:20px;font-weight:700;margin-bottom:12px;color:#a5d6a7}
.ai-feature p{font-size:14px;opacity:.85;line-height:1.8}
.ai-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .main-nav{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;padding:16px;box-shadow:0 8px 20px rgba(0,0,0,.1);gap:0}
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 16px;border-radius:0;border-bottom:1px solid var(--border)}
  .nav-dropdown .dropdown-menu{position:static;box-shadow:none;padding-left:16px}
  .nav-dropdown:hover .dropdown-menu{display:none}
  .nav-dropdown.open .dropdown-menu{display:block}
  .menu-toggle{display:flex}
  .search-wrap{display:none}
  .hero-banner{height:380px}
  .footer-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .header-inner{height:60px}
}
@media(max-width:480px){
  .hero-content h1{font-size:24px}
  .section{padding:40px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .video-grid{grid-template-columns:1fr}
  .module-grid{grid-template-columns:repeat(2,1fr)}
}

/* ===== 懒加载占位 ===== */
.lazy{opacity:0;transition:opacity .4s}
.lazy.loaded{opacity:1}

/* ===== 滚动动画 ===== */
.fade-in{opacity:0;transform:translateY(20px);transition:all .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ===== 关键词标签区 ===== */
.kw-section{padding:20px 0;background:#f9f9f9;border-top:1px solid var(--border)}
.kw-section .kw-list{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;max-width:1000px;margin:0 auto;padding:0 20px}
.kw-section .kw-list a{font-size:13px;color:var(--text-mid);padding:4px 12px;border-radius:14px;border:1px solid var(--border);transition:all .2s}
.kw-section .kw-list a:hover{border-color:var(--green-light);color:var(--green-main)}