/* 91 植物视频社区 - 全站样式表 */
/* ammws.cn - 91品牌植物视频社区官方网站 */

/* ===== 基础重置 ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;color:#333;line-height:1.8;background:#f8f6f0;overflow-x:hidden}
a{color:#2d6a4f;text-decoration:none;transition:color .3s}
a:hover{color:#1b4332}
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:#1b4332}

/* ===== 容器 ===== */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:60px 0}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:2rem;color:#1b4332;position:relative;display:inline-block;padding-bottom:12px}
.section-title h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:80px;height:3px;background:linear-gradient(90deg,#2d6a4f,#95d5b2)}
.section-title p{color:#666;margin-top:10px;font-size:1rem}

/* ===== 顶部导航 ===== */
.site-header{background:#1b4332;position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px 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-area{display:flex;align-items:center;gap:10px}
.logo-area img{height:50px;width:auto}
.logo-area .brand-name{color:#d4a843;font-size:1.5rem;font-weight:700}
.main-nav{display:flex;gap:0}
.main-nav a{color:#d8e8d2;padding:12px 16px;font-size:.9rem;transition:all .3s;border-bottom:2px solid transparent}
.main-nav a:hover,.main-nav a.active{color:#d4a843;border-bottom-color:#d4a843;background:rgba(255,255,255,.05)}
.mobile-menu-btn{display:none;background:none;border:none;color:#d8e8d2;font-size:1.5rem;cursor:pointer}

/* ===== 搜索框 ===== */
.search-bar{background:#2d6a4f;padding:12px 0}
.search-bar .container{display:flex;justify-content:center}
.search-box{display:flex;max-width:600px;width:100%;border-radius:25px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.2)}
.search-box input{flex:1;padding:10px 20px;border:none;font-size:1rem;outline:none;background:#fff;color:#333}
.search-box button{padding:10px 24px;background:#d4a843;color:#fff;border:none;cursor:pointer;font-size:1rem;transition:background .3s}
.search-box button:hover{background:#b8922e}

/* ===== Banner ===== */
.hero-banner{position:relative;height:500px;overflow:hidden;background:#1b4332}
.hero-banner img{width:100%;height:100%;object-fit:cover;opacity:.7}
.hero-overlay{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:20px;background:linear-gradient(rgba(27,67,50,.4),rgba(27,67,50,.7))}
.hero-overlay h1{font-size:2.8rem;color:#fff;text-shadow:2px 2px 8px rgba(0,0,0,.5);margin-bottom:15px}
.hero-overlay h1 span{color:#d4a843}
.hero-overlay p{color:#d8e8d2;font-size:1.2rem;max-width:700px;line-height:1.8}
.hero-tags{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap;justify-content:center}
.hero-tags span{background:rgba(212,168,67,.2);border:1px solid #d4a843;color:#d4a843;padding:5px 15px;border-radius:20px;font-size:.85rem}

/* ===== 视频卡片 ===== */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.08);transition:transform .3s,box-shadow .3s;cursor:pointer}
.video-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(0,0,0,.15)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden}
.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(1.05)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(212,168,67,.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 .play-btn{opacity:1}
.play-btn::after{content:'';border-style:solid;border-width:12px 0 12px 20px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-info{padding:15px}
.video-info h3{font-size:1rem;color:#1b4332;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:15px;color:#888;font-size:.8rem}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tag{display:inline-block;background:#e8f5e9;color:#2d6a4f;padding:2px 8px;border-radius:10px;font-size:.75rem;margin-top:8px}
.video-date{font-size:.75rem;color:#999;margin-top:6px;padding-top:6px;border-top:1px dashed #eee}
.update-notice{background:#e8f5e9;border-left:4px solid #2d6a4f;padding:10px 15px;margin:10px 0;border-radius:0 6px 6px 0;font-size:.9rem;color:#1b4332}

/* ===== 模块卡片 ===== */
.module-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:30px}
.module-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.08);transition:transform .3s}
.module-card:hover{transform:translateY(-3px)}
.module-card img{width:100%;height:220px;object-fit:cover}
.module-card-body{padding:20px}
.module-card-body h3{color:#1b4332;margin-bottom:10px;font-size:1.2rem}
.module-card-body p{color:#555;font-size:.95rem;line-height:1.7}
.module-card-body .tags{margin-top:12px;display:flex;flex-wrap:wrap;gap:6px}
.module-card-body .tag{background:#e8f5e9;color:#2d6a4f;padding:3px 10px;border-radius:12px;font-size:.8rem}

/* ===== 专家展示 ===== */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:30px}
.expert-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.08);text-align:center;padding:30px 20px;transition:transform .3s}
.expert-card:hover{transform:translateY(-3px)}
.expert-card img{width:150px;height:150px;border-radius:50%;object-fit:cover;margin:0 auto 15px;border:4px solid #d4a843}
.expert-card h4{color:#1b4332;font-size:1.1rem;margin-bottom:5px}
.expert-card .role{color:#d4a843;font-size:.9rem;margin-bottom:10px}
.expert-card p{color:#666;font-size:.85rem;line-height:1.6}
.expert-card .expert-links{margin-top:15px;display:flex;gap:10px;justify-content:center}
.expert-card .expert-links a{padding:6px 16px;border-radius:20px;font-size:.85rem;border:1px solid #2d6a4f;color:#2d6a4f;transition:all .3s}
.expert-card .expert-links a:hover{background:#2d6a4f;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-question{padding:18px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#1b4332;transition:background .3s}
.faq-question:hover{background:#f0f7f0}
.faq-question::after{content:'+';font-size:1.3rem;color:#d4a843;transition:transform .3s}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 20px;max-height:0;overflow:hidden;transition:all .3s;color:#555;line-height:1.7}
.faq-item.active .faq-answer{padding:0 20px 18px;max-height:500px}

/* ===== 用户评论 ===== */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px}
.review-card{background:#fff;border-radius:12px;padding:25px;box-shadow:0 4px 15px rgba(0,0,0,.08)}
.review-card .stars{color:#d4a843;font-size:1.1rem;margin-bottom:10px}
.review-card .review-text{color:#555;font-size:.95rem;line-height:1.7;margin-bottom:15px;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:#2d6a4f;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.review-card .reviewer-name{font-weight:600;color:#1b4332;font-size:.9rem}
.review-card .reviewer-date{color:#999;font-size:.8rem}

/* ===== 合作品牌 ===== */
.partner-wall{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;align-items:center}
.partner-item{background:#fff;padding:20px 30px;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,.05);font-size:1.1rem;color:#2d6a4f;font-weight:600;transition:transform .3s}
.partner-item:hover{transform:scale(1.05)}

/* ===== 联系我们 ===== */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px}
.contact-card{background:#fff;border-radius:12px;padding:25px;box-shadow:0 4px 15px rgba(0,0,0,.08);text-align:center}
.contact-card h4,.contact-card h6{color:#1b4332;margin-bottom:10px}
.contact-card p{color:#666;font-size:.9rem;line-height:1.6}
.contact-card img{max-width:180px;margin:10px auto}

/* ===== How-To 指南 ===== */
.howto-steps{max-width:800px;margin:0 auto}
.howto-step{display:flex;gap:20px;margin-bottom:30px;align-items:flex-start}
.step-num{width:50px;height:50px;min-width:50px;background:#d4a843;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:700}
.step-content h4{color:#1b4332;margin-bottom:5px}
.step-content p{color:#666;font-size:.95rem}

/* ===== 社交分享 ===== */
.share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;padding:20px 0}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:20px;color:#fff;font-size:.9rem;transition:opacity .3s;cursor:pointer}
.share-btn:hover{opacity:.85;color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#00a1d6}

/* ===== 页脚 ===== */
.site-footer{background:#1b4332;color:#d8e8d2;padding:40px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:30px;margin-bottom:30px}
.footer-col h4{color:#d4a843;margin-bottom:15px;font-size:1.1rem}
.footer-col p,.footer-col a{color:#a8c8b8;font-size:.9rem;line-height:1.8}
.footer-col a:hover{color:#d4a843}
.footer-col img{max-width:140px;border-radius:8px;margin-top:5px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;text-align:center;font-size:.85rem;color:#7aa88e}
.footer-bottom a{color:#d4a843}

/* ===== MCP前端代码区域 ===== */
.mcp-section{background:#0d2818;padding:20px;border-radius:8px;margin-top:20px}
.mcp-section code{color:#95d5b2;font-family:monospace;font-size:.8rem}

/* ===== 面包屑 ===== */
.breadcrumb{padding:12px 0;font-size:.85rem;color:#888}
.breadcrumb a{color:#2d6a4f}
.breadcrumb span{margin:0 8px;color:#ccc}

/* ===== 内页通用 ===== */
.page-hero{background:#1b4332;padding:60px 0;text-align:center}
.page-hero h1{color:#fff;font-size:2.2rem;margin-bottom:10px}
.page-hero h1 span{color:#d4a843}
.page-hero p{color:#a8c8b8;font-size:1rem}
.page-content{padding:40px 0}
.content-article{background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 15px rgba(0,0,0,.08);margin-bottom:30px}
.content-article h2{color:#1b4332;font-size:1.5rem;margin-bottom:15px;padding-bottom:10px;border-bottom:2px solid #e8f5e9}
.content-article h3{color:#2d6a4f;font-size:1.2rem;margin:20px 0 10px}
.content-article p{color:#555;line-height:1.8;margin-bottom:15px}

/* ===== 懒加载 ===== */
.lazy{opacity:0;transition:opacity .5s}
.lazy.loaded{opacity:1}

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

/* ===== 响应式 ===== */
@media(max-width:768px){
  .header-inner{flex-wrap:wrap}
  .main-nav{display:none;flex-direction:column;width:100%;background:#1b4332}
  .main-nav.show{display:flex}
  .mobile-menu-btn{display:block}
  .hero-banner{height:350px}
  .hero-overlay h1{font-size:1.8rem}
  .hero-overlay p{font-size:1rem}
  .video-grid{grid-template-columns:1fr}
  .module-grid{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:40px 0}
  .section-title h2{font-size:1.5rem}
  .main-nav a{padding:12px 20px;border-bottom:1px solid rgba(255,255,255,.1)}
}
@media(max-width:480px){
  .hero-banner{height:280px}
  .hero-overlay h1{font-size:1.4rem}
  .search-box{flex-direction:column;border-radius:10px}
  .search-box button{border-radius:0 0 10px 10px}
}