/* ============================================
   海角社区 植物视频社区 原创样式表
   配色：森林绿 #1B5E20 / 翠绿 #2E7D32 / 嫩绿 #66BB6A / 金色 #F9A825 / 象牙白 #FAFAF5 / 深墨 #1A1A2E
   ============================================ */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'PingFang SC','Microsoft YaHei','Hiragino Sans GB',Arial,sans-serif;color:#2D2D2D;background:#FAFAF5;line-height:1.8;overflow-x:hidden}
a{color:#2E7D32;text-decoration:none;transition:color .3s}
a:hover{color:#F9A825}
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:linear-gradient(135deg,#1A1A2E 0%,#1B5E20 100%);position:sticky;top:0;z-index:1000;box-shadow:0 2px 12px rgba(0,0,0,.3)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;max-width:1200px;margin:0 auto}
.logo-link{display:flex;align-items:center;gap:10px}
.logo-link img{height:48px;width:auto}
.logo-text{color:#fff;font-size:1.4rem;font-weight:700;letter-spacing:1px}
.main-nav{display:flex;gap:4px}
.main-nav a{color:#E8F5E9;padding:8px 14px;border-radius:6px;font-size:.9rem;transition:all .3s;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{background:rgba(102,187,106,.25);color:#fff}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:1.6rem;cursor:pointer;padding:8px}

/* === 搜索框 === */
.search-bar{background:#E8F5E9;padding:16px 0;border-bottom:1px solid #C8E6C9}
.search-wrap{max-width:680px;margin:0 auto;display:flex;gap:8px;padding:0 20px}
.search-wrap input{flex:1;padding:10px 16px;border:2px solid #66BB6A;border-radius:25px;font-size:1rem;outline:none;background:#fff;transition:border-color .3s}
.search-wrap input:focus{border-color:#2E7D32}
.search-wrap button{padding:10px 24px;background:linear-gradient(135deg,#2E7D32,#66BB6A);color:#fff;border:none;border-radius:25px;cursor:pointer;font-size:1rem;transition:transform .2s}
.search-wrap button:hover{transform:scale(1.05)}

/* === 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(27,94,32,.75),rgba(26,26,46,.6))}
.hero-content{position:relative;z-index:2;text-align:center;color:#fff;padding:20px;max-width:800px}
.hero-content h1{font-size:2.6rem;margin-bottom:12px;text-shadow:0 2px 8px rgba(0,0,0,.4);line-height:1.3}
.hero-content .subtitle{font-size:1.15rem;line-height:1.8;opacity:.95;margin-bottom:20px}
.cta-btn{display:inline-block;padding:12px 36px;background:linear-gradient(135deg,#F9A825,#FF8F00);color:#fff;border-radius:30px;font-size:1.1rem;font-weight:600;transition:all .3s;box-shadow:0 4px 15px rgba(249,168,37,.4)}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(249,168,37,.6);color:#fff}

/* === 通用模块 === */
.section{padding:50px 0}
.section-alt{background:#E8F5E9}
.section-dark{background:linear-gradient(135deg,#1A1A2E,#1B5E20);color:#fff}
.section-title{text-align:center;margin-bottom:36px}
.section-title h2{font-size:2rem;color:#1B5E20;position:relative;display:inline-block;padding-bottom:10px}
.section-dark .section-title h2{color:#66BB6A}
.section-title h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,#2E7D32,#F9A825);border-radius:2px}
.section-title p{color:#666;margin-top:8px;font-size:1rem}
.section-dark .section-title p{color:#A5D6A7}

/* === 视频卡片 === */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.08);transition:all .3s;position:relative}
.video-card:hover{transform:translateY(-6px);box-shadow:0 8px 30px rgba(0,0,0,.15)}
.video-thumb{position:relative;overflow:hidden;aspect-ratio:16/9}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .video-thumb img{transform:scale(1.08)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(46,125,50,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;cursor:pointer}
.play-btn::after{content:'';border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-card:hover .play-btn{opacity: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-info{padding:14px 16px}
.video-info h3{font-size:1rem;color:#1A1A2E;margin-bottom:6px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:12px;color:#888;font-size:.8rem}
.video-meta span{display:flex;align-items:center;gap:3px}
.video-tags{padding:0 16px 14px;display:flex;gap:6px;flex-wrap:wrap}
.video-tags span{background:#E8F5E9;color:#2E7D32;padding:2px 10px;border-radius:12px;font-size:.75rem}

/* === 模块卡片 === */
.module-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.module-card{background:#fff;border-radius:12px;padding:28px 24px;box-shadow:0 4px 16px rgba(0,0,0,.06);transition:all .3s;border-top:3px solid #66BB6A}
.module-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.12)}
.module-card .icon{font-size:2.4rem;margin-bottom:12px}
.module-card h4{font-size:1.15rem;color:#1B5E20;margin-bottom:8px}
.module-card p{color:#555;font-size:.92rem;line-height:1.7}

/* === 专家卡片 === */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.expert-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.08);text-align:center;transition:all .3s}
.expert-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.15)}
.expert-card img{width:100%;aspect-ratio:1;object-fit:cover}
.expert-card .info{padding:16px}
.expert-card h4{font-size:1.05rem;color:#1B5E20;margin-bottom:4px}
.expert-card .role{color:#F9A825;font-size:.85rem;margin-bottom:6px}
.expert-card p{color:#666;font-size:.85rem;line-height:1.5}
.expert-card .actions{padding:12px 16px;display:flex;gap:8px;justify-content:center}
.expert-card .actions a{padding:6px 14px;border-radius:20px;font-size:.8rem;border:1px solid #66BB6A;color:#2E7D32;transition:all .3s}
.expert-card .actions a:hover{background:#2E7D32;color:#fff}

/* === FAQ === */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;box-shadow:0 2px 8px rgba(0,0,0,.05);overflow:hidden}
.faq-q{padding:16px 20px;font-weight:600;color:#1B5E20;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.faq-q:hover{background:#E8F5E9}
.faq-q::after{content:'+';font-size:1.4rem;color:#66BB6A;transition:transform .3s}
.faq-item.active .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 20px;max-height:0;overflow:hidden;transition:all .4s;color:#555;line-height:1.8}
.faq-item.active .faq-a{padding:0 20px 16px;max-height:300px}

/* === 评论 === */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.review-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 12px rgba(0,0,0,.06);border-left:4px solid #66BB6A}
.review-card .stars{color:#F9A825;margin-bottom:8px;font-size:1.1rem}
.review-card .text{color:#444;font-size:.95rem;line-height:1.7;margin-bottom:10px;font-style:italic}
.review-card .author{color:#888;font-size:.85rem}

/* === 品牌墙 === */
.brand-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.brand-wall .brand-item{background:#fff;padding:16px 24px;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,.06);font-size:1rem;color:#1B5E20;font-weight:600;transition:all .3s}
.brand-wall .brand-item:hover{transform:scale(1.05);box-shadow:0 4px 16px rgba(0,0,0,.12)}

/* === 页脚 === */
.site-footer{background:linear-gradient(135deg,#1A1A2E,#0D3311);color:#A5D6A7;padding:40px 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:#66BB6A;font-size:1rem;margin-bottom:14px;position:relative;padding-bottom:8px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:2px;background:#F9A825}
.footer-col p,.footer-col a{color:#A5D6A7;font-size:.88rem;line-height:2}
.footer-col a:hover{color:#F9A825}
.footer-col .qr-img{width:120px;border-radius:8px;margin-top:8px}
.footer-bottom{text-align:center;padding:20px 0;color:#6B8E6B;font-size:.85rem}
.footer-bottom a{color:#66BB6A}

/* === 面包屑 === */
.breadcrumb{padding:12px 0;font-size:.88rem;color:#888}
.breadcrumb a{color:#2E7D32}
.breadcrumb span{margin:0 6px;color:#ccc}

/* === 内页通用 === */
.page-hero{background:linear-gradient(135deg,#1B5E20,#1A1A2E);padding:50px 0;text-align:center;color:#fff}
.page-hero h1{font-size:2.2rem;margin-bottom:8px}
.page-hero p{color:#A5D6A7;font-size:1.05rem}
.content-section{padding:40px 0}
.content-section h2{color:#1B5E20;font-size:1.6rem;margin-bottom:16px}
.content-section h3{color:#2E7D32;font-size:1.3rem;margin-bottom:12px}
.content-section p{color:#444;line-height:1.8;margin-bottom:14px}

/* === 分享按钮 === */
.share-bar{display:flex;gap:10px;justify-content:center;padding:20px 0}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:20px;color:#fff;font-size:.88rem;transition:all .3s;cursor:pointer}
.share-btn:hover{transform:scale(1.05);color:#fff}
.share-wechat{background:#07C160}
.share-weibo{background:#E6162D}
.share-douyin{background:#161823}
.share-bilibili{background:#00A1D6}

/* === 干扰标签隐藏 === */
.interference-wrap{position:absolute;width:0;height:0;overflow:hidden;opacity:0;pointer-events:none;z-index:-9999}

/* === 响应式 === */
@media(max-width:968px){
  .header-inner{flex-wrap:wrap}
  .main-nav{display:none;width:100%;flex-direction:column;padding:10px 0}
  .main-nav.show{display:flex}
  .nav-toggle{display:block}
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .expert-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .hero-banner{height:380px}
  .hero-content h1{font-size:1.8rem}
}
@media(max-width:640px){
  .video-grid{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-banner{height:320px}
  .hero-content h1{font-size:1.5rem}
  .section{padding:30px 0}
}