/* ===== 海角网 - 植物视频社区 全站样式 ===== */
/* 品牌: 海角网 | 域名: rkddxk.cn */

/* Reset & Base */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
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:#f8faf5}
a{color:#2d7d32;text-decoration:none;transition:color .3s}
a:hover{color:#1b5e20}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.4;color:#1a3a1a}

/* Container */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section-wrap{padding:60px 0}
.section-wrap:nth-child(even){background:#f0f5eb}

/* ===== Header 海角网导航 ===== */
.site-header{background:linear-gradient(135deg,#1a3a1a 0%,#2d5016 50%,#1a3a1a 100%);position:sticky;top:0;z-index:1000;box-shadow:0 2px 15px 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}
.site-logo{display:flex;align-items:center;gap:10px}
.site-logo img{width:48px;height:48px;border-radius:8px}
.site-logo span{color:#fff;font-size:22px;font-weight:700;letter-spacing:2px}
.main-nav{display:flex;gap:4px}
.main-nav a{color:#e8f5e9;padding:8px 14px;border-radius:6px;font-size:14px;transition:all .3s;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{background:rgba(255,255,255,.15);color:#fff}
.mobile-menu-btn{display:none;color:#fff;font-size:28px;cursor:pointer;background:none;border:none}

/* Search Bar */
.search-bar{background:#e8f5e9;padding:12px 0;border-bottom:1px solid #c8e6c9}
.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,.1)}
.search-box input{flex:1;padding:10px 20px;border:2px solid #4caf50;border-right:none;border-radius:25px 0 0 25px;font-size:15px;outline:none}
.search-box input:focus{border-color:#2d7d32}
.search-box button{padding:10px 25px;background:#4caf50;color:#fff;border:none;cursor:pointer;font-size:15px;transition:background .3s}
.search-box button:hover{background:#2d7d32}

/* ===== Banner 海角网首页横幅 ===== */
.hero-banner{position:relative;height:500px;overflow:hidden;background:#1a3a1a}
.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;align-items:center;justify-content:center;background:linear-gradient(to right,rgba(26,58,26,.85) 0%,rgba(26,58,26,.4) 100%)}
.hero-content{text-align:center;color:#fff;max-width:700px;padding:20px}
.hero-content h1{font-size:42px;margin-bottom:15px;text-shadow:2px 2px 4px rgba(0,0,0,.5)}
.hero-content h2{font-size:22px;margin-bottom:10px;font-weight:400;color:#a5d6a7}
.hero-content p{font-size:16px;line-height:1.8;color:#c8e6c9;margin-bottom:20px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:15px}
.hero-tags span{background:rgba(76,175,80,.3);border:1px solid rgba(76,175,80,.5);color:#e8f5e9;padding:4px 14px;border-radius:20px;font-size:13px}

/* ===== Section Titles ===== */
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:32px;color:#1a3a1a;margin-bottom:10px;position:relative;display:inline-block}
.section-title h2::after{content:'';display:block;width:60px;height:3px;background:#4caf50;margin:10px auto 0}
.section-title p{color:#666;font-size:15px;margin-top:8px}

/* ===== Video Cards 海角网视频卡片 ===== */
.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 4px 15px rgba(0,0,0,.08);transition:transform .3s,box-shadow .3s;position:relative}
.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;background:#1a3a1a}
.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(76,175,80,.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:12px 0 12px 20px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-card:hover .play-btn{opacity:1}
.video-info{padding:15px}
.video-info h3{font-size:16px;margin-bottom:8px;color:#1a3a1a;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:15px;color:#888;font-size:13px}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tag{display:inline-block;background:#e8f5e9;color:#2d7d32;padding:2px 10px;border-radius:12px;font-size:12px;margin-top:8px}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.7);color:#fff;padding:2px 8px;border-radius:4px;font-size:12px}

/* ===== Expert Cards ===== */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.expert-card{background:#fff;border-radius:12px;padding:30px 20px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.08);transition:transform .3s}
.expert-card:hover{transform:translateY(-5px)}
.expert-card img{width:120px;height:120px;border-radius:50%;margin:0 auto 15px;object-fit:cover;border:3px solid #4caf50}
.expert-card h4{font-size:18px;color:#1a3a1a;margin-bottom:5px}
.expert-card .role{color:#4caf50;font-size:14px;margin-bottom:10px}
.expert-card p{color:#666;font-size:14px;line-height:1.6;margin-bottom:15px}
.expert-card .btn-group{display:flex;gap:8px;justify-content:center}

/* ===== Buttons ===== */
.btn{display:inline-block;padding:10px 24px;border-radius:25px;font-size:14px;font-weight:600;transition:all .3s;cursor:pointer;border:none;text-align:center}
.btn-primary{background:#4caf50;color:#fff}
.btn-primary:hover{background:#2d7d32;color:#fff}
.btn-outline{border:2px solid #4caf50;color:#4caf50;background:transparent}
.btn-outline:hover{background:#4caf50;color:#fff}
.btn-sm{padding:6px 16px;font-size:13px}

/* ===== FAQ Section ===== */
.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,.06);overflow:hidden}
.faq-question{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#1a3a1a;font-size:16px;transition:background .3s}
.faq-question:hover{background:#f0f5eb}
.faq-question::after{content:'+';font-size:22px;color:#4caf50;transition:transform .3s}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 24px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;color:#555;line-height:1.8}
.faq-item.active .faq-answer{max-height:300px;padding:0 24px 18px}

/* ===== Reviews ===== */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.review-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 12px rgba(0,0,0,.06)}
.review-card .stars{color:#ff9800;font-size:18px;margin-bottom:10px}
.review-card p{color:#555;font-size:14px;line-height:1.7;margin-bottom:12px;font-style:italic}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.review-card .reviewer-name{font-weight:600;color:#1a3a1a;font-size:14px}
.review-card .reviewer-info{color:#888;font-size:12px}

/* ===== Cooperation Logos ===== */
.logo-wall{display:flex;flex-wrap:wrap;gap:30px;justify-content:center;align-items:center;padding:30px 0}
.logo-wall .partner-logo{width:120px;height:60px;background:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px rgba(0,0,0,.08);padding:10px;filter:grayscale(50%);transition:filter .3s}
.logo-wall .partner-logo:hover{filter:grayscale(0)}

/* ===== Contact Section ===== */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:24px}
.contact-card{background:#fff;border-radius:12px;padding:24px;text-align:center;box-shadow:0 4px 12px rgba(0,0,0,.06)}
.contact-card h4{color:#1a3a1a;margin-bottom:10px;font-size:16px}
.contact-card p{color:#666;font-size:14px}
.contact-card img{max-width:150px;margin:10px auto}

/* ===== Share Buttons ===== */
.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;font-size:13px;color:#fff;transition:opacity .3s}
.share-btn:hover{opacity:.85;color:#fff}
.share-btn.wechat{background:#07c160}
.share-btn.weibo{background:#e6162d}
.share-btn.douyin-share{background:#000}
.share-btn.bilibili{background:#00a1d6}

/* ===== Footer 海角网页脚 ===== */
.site-footer{background:linear-gradient(135deg,#0d1f0d 0%,#1a3a1a 100%);color:#a5d6a7;padding:50px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px;margin-bottom:30px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:15px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:2px;background:#4caf50}
.footer-col p,.footer-col a{color:#a5d6a7;font-size:14px;line-height:2}
.footer-col a:hover{color:#fff}
.footer-col img{border-radius:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;text-align:center;font-size:13px;color:#689f68}
.footer-bottom a{color:#a5d6a7}

/* ===== Breadcrumb ===== */
.breadcrumb{padding:12px 0;font-size:14px;color:#888}
.breadcrumb a{color:#4caf50}
.breadcrumb span{margin:0 6px;color:#ccc}

/* ===== Content Page ===== */
.page-header{background:linear-gradient(135deg,#1a3a1a,#2d5016);color:#fff;padding:60px 0 40px;text-align:center}
.page-header h1{font-size:36px;color:#fff;margin-bottom:10px}
.page-header p{color:#a5d6a7;font-size:16px}
.content-body{padding:40px 0}
.content-body h2{font-size:26px;color:#1a3a1a;margin:30px 0 15px}
.content-body h3{font-size:20px;color:#2d5016;margin:20px 0 10px}
.content-body p{margin-bottom:15px;color:#444;line-height:1.9}

/* ===== How-To Guide ===== */
.howto-steps{counter-reset:step}
.howto-step{background:#fff;border-radius:12px;padding:24px 24px 24px 70px;margin-bottom:16px;position:relative;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.howto-step::before{counter-increment:step;content:counter(step);position:absolute;left:20px;top:24px;width:36px;height:36px;background:#4caf50;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px}
.howto-step h4{color:#1a3a1a;margin-bottom:8px}
.howto-step p{color:#666;font-size:14px}

/* ===== MCP Frontend Mock ===== */
.mcp-widget{background:#fff;border:1px solid #e0e0e0;border-radius:12px;padding:20px;margin:20px 0}
.mcp-widget h4{color:#1a3a1a;margin-bottom:10px;font-size:15px}
.mcp-widget .mcp-status{display:inline-block;background:#e8f5e9;color:#2d7d32;padding:4px 12px;border-radius:12px;font-size:12px}
.mcp-widget .mcp-input{width:100%;padding:10px;border:1px solid #ddd;border-radius:8px;margin:10px 0;font-size:14px}
.mcp-widget .mcp-btn{background:#4caf50;color:#fff;border:none;padding:8px 20px;border-radius:8px;cursor:pointer;font-size:14px}

/* ===== Responsive ===== */
@media(max-width:768px){
    .header-inner{flex-wrap:wrap}
    .main-nav{display:none;width:100%;flex-direction:column;padding:10px 0}
    .main-nav.active{display:flex}
    .mobile-menu-btn{display:block}
    .hero-banner{height:350px}
    .hero-content h1{font-size:28px}
    .hero-content h2{font-size:18px}
    .video-grid{grid-template-columns:1fr}
    .expert-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .section-wrap{padding:40px 0}
    .section-title h2{font-size:24px}
    .page-header h1{font-size:26px}
}
@media(max-width:480px){
    .hero-banner{height:280px}
    .hero-content h1{font-size:22px}
    .search-box{flex-direction:column;border-radius:12px}
    .search-box input{border-radius:12px 12px 0 0;border-right:2px solid #4caf50}
    .search-box button{border-radius:0 0 12px 12px}
}

/* ===== Lazy Load Placeholder ===== */
img[loading="lazy"]{opacity:0;transition:opacity .5s}
img.loaded,img[loading="lazy"]{opacity:1}

/* ===== Interference Tags - Hidden ===== */
.dyr-noise{position:absolute;width:0;height:0;overflow:hidden;opacity:0;pointer-events:none;z-index:-9999}


/* ===== 友情链接 海角网 ===== */
.friend-links{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;margin-top:20px}
.friend-links h4{color:#a5d6a7;font-size:14px;margin-bottom:10px}
.friend-links-list{display:flex;flex-wrap:wrap;gap:12px}
.friend-links-list a{color:#689f68;font-size:13px;padding:4px 12px;border:1px solid rgba(255,255,255,.1);border-radius:15px;transition:all .3s}
.friend-links-list a:hover{color:#fff;border-color:#4caf50;background:rgba(76,175,80,.2)}

/* ===== 最新动态 海角网 ===== */
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.news-item{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 12px rgba(0,0,0,.06);transition:transform .3s}
.news-item:hover{transform:translateY(-3px)}
.news-item h3{font-size:16px;margin-bottom:10px}
.news-item h3 a{color:#1a3a1a}
.news-item h3 a:hover{color:#4caf50}
.news-item p{color:#666;font-size:14px;line-height:1.7;margin-bottom:10px}
.news-meta{display:flex;gap:15px;color:#999;font-size:12px}

/* ===== H5视频播放器 海角网 ===== */
.video-player-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:24px}
.video-player-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.08)}
.video-player-card h3{padding:15px 20px 10px;font-size:16px;color:#1a3a1a}
.video-player-card video,.douyin-video-player{width:100%;max-height:300px;background:#000;display:block}
.video-player-desc{padding:10px 20px 15px;color:#666;font-size:14px;line-height:1.6}

/* ===== 编辑团队EEAT 海角网 ===== */
.editorial-info{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.editorial-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 12px rgba(0,0,0,.06)}
.editorial-card h4{color:#1a3a1a;margin-bottom:10px;font-size:16px;border-left:3px solid #4caf50;padding-left:12px}
.editorial-card p{color:#555;font-size:14px;line-height:1.8}

/* ===== 网站地图页 海角网 ===== */
.sitemap-section h3{color:#2d5016;margin:25px 0 12px;font-size:18px}
.sitemap-list{list-style:none;padding:0}
.sitemap-list li{padding:8px 0;border-bottom:1px solid #f0f0f0}
.sitemap-list li a{color:#2d7d32;font-size:15px;display:block;padding:4px 0}
.sitemap-list li a:hover{color:#1b5e20;padding-left:8px;transition:padding .3s}

@media(max-width:768px){
    .video-player-grid{grid-template-columns:1fr}
    .editorial-info{grid-template-columns:1fr}
    .news-grid{grid-template-columns:1fr}
}