/* ========================================
   蜜桃 - 植物视频社区 原创样式表
   配色：翡翠绿+金色+深棕+象牙白
   风格：豪宅植物园
   ======================================== */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#2d2a26;background:#f9f7f2;line-height:1.8}
a{color:#1a6b3c;text-decoration:none;transition:color .3s}
a:hover{color:#c8963e}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* 顶部导航 */
.site-header{background:linear-gradient(135deg,#0d3b1f 0%,#1a5c35 50%,#0d3b1f 100%);position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(0,0,0,.3)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:0 20px;max-width:1200px;margin:0 auto;height:70px}
.brand-logo{display:flex;align-items:center;gap:10px}
.brand-logo img{height:45px;width:auto;border-radius:6px}
.brand-logo span{color:#c8963e;font-size:1.4rem;font-weight:700;letter-spacing:1px}
.main-nav{display:flex;gap:6px;list-style:none}
.main-nav li a{color:#e8e0d0;padding:8px 14px;border-radius:6px;font-size:.95rem;transition:all .3s}
.main-nav li a:hover,.main-nav li a.active{background:rgba(200,150,62,.2);color:#c8963e}
.mobile-toggle{display:none;color:#c8963e;font-size:1.5rem;cursor:pointer;background:none;border:none}

/* 搜索框 */
.search-bar{background:#1a5c35;padding:12px 0;border-bottom:1px solid rgba(200,150,62,.2)}
.search-wrap{max-width:680px;margin:0 auto;display:flex;gap:0}
.search-wrap input{flex:1;padding:10px 18px;border:2px solid #c8963e;border-right:none;border-radius:25px 0 0 25px;font-size:.95rem;outline:none;background:#f9f7f2;color:#2d2a26}
.search-wrap button{padding:10px 28px;background:linear-gradient(135deg,#c8963e,#a67a2e);color:#fff;border:2px solid #c8963e;border-radius:0 25px 25px 0;cursor:pointer;font-size:.95rem;font-weight:600;transition:all .3s}
.search-wrap button:hover{background:linear-gradient(135deg,#a67a2e,#8a6525)}

/* Hero Banner */
.hero-section{position:relative;height:520px;overflow:hidden;background:#0d3b1f}
.hero-section img{width:100%;height:100%;object-fit:cover;opacity:.7}
.hero-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(180deg,rgba(13,59,31,.6) 0%,rgba(13,59,31,.85) 100%);display:flex;align-items:center;justify-content:center}
.hero-content{text-align:center;color:#f9f7f2;max-width:800px;padding:0 20px}
.hero-content h1{font-size:2.8rem;margin-bottom:16px;color:#c8963e;text-shadow:0 2px 10px rgba(0,0,0,.5)}
.hero-content p{font-size:1.15rem;line-height:1.9;color:#e8e0d0;margin-bottom:24px}
.hero-btn{display:inline-block;padding:14px 36px;background:linear-gradient(135deg,#c8963e,#a67a2e);color:#fff;border-radius:30px;font-size:1.05rem;font-weight:600;transition:all .3s;box-shadow:0 4px 15px rgba(200,150,62,.4)}
.hero-btn:hover{transform:translateY(-2px);box-shadow:0 6px 25px rgba(200,150,62,.6);color:#fff}

/* 通用模块标题 */
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:2rem;color:#1a5c35;margin-bottom:8px;position:relative;display:inline-block}
.section-title h2::after{content:'';display:block;width:60px;height:3px;background:linear-gradient(90deg,#c8963e,#1a5c35);margin:10px auto 0;border-radius:2px}
.section-title p{color:#6b6356;font-size:1rem;margin-top:8px}

/* 视频卡片网格 */
.video-section{padding:60px 0;background:#f9f7f2}
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.08);transition:all .4s;border:1px solid rgba(26,107,60,.1)}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 35px rgba(26,107,60,.15)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:#e8e0d0}
.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(1.08)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:56px;height:56px;background:rgba(200,150,62,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:all .4s;cursor:pointer;box-shadow:0 4px 15px rgba(0,0,0,.3)}
.video-card:hover .play-btn{opacity:1}
.play-btn::after{content:'';display:block;width:0;height:0;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.video-info{padding:14px 16px}
.video-info h3{font-size:1rem;color:#1a5c35;margin-bottom:6px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:12px;color:#9a9083;font-size:.82rem}
.video-meta span{display:flex;align-items:center;gap:3px}
.video-tag{display:inline-block;padding:2px 8px;background:rgba(26,107,60,.1);color:#1a5c35;border-radius:10px;font-size:.75rem;margin-top:6px}

/* 植物传媒模块 */
.media-section{padding:60px 0;background:linear-gradient(180deg,#f0ede5 0%,#f9f7f2 100%)}
.media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.media-card{background:#fff;border-radius:12px;padding:30px 24px;text-align:center;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:all .4s;border-bottom:3px solid transparent}
.media-card:hover{border-bottom-color:#c8963e;transform:translateY(-4px)}
.media-icon{width:64px;height:64px;background:linear-gradient(135deg,#1a5c35,#2a8c55);border-radius:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:1.8rem;color:#c8963e}
.media-card h3{color:#1a5c35;margin-bottom:8px;font-size:1.1rem}
.media-card p{color:#6b6356;font-size:.9rem;line-height:1.7}

/* AI赋能 */
.ai-section{padding:60px 0;background:#0d3b1f;color:#e8e0d0}
.ai-section .section-title h2{color:#c8963e}
.ai-section .section-title p{color:#a0987e}
.ai-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.ai-card{background:rgba(255,255,255,.06);border:1px solid rgba(200,150,62,.2);border-radius:12px;padding:28px 22px;transition:all .4s}
.ai-card:hover{background:rgba(200,150,62,.1);border-color:#c8963e}
.ai-card h3{color:#c8963e;margin-bottom:10px;font-size:1.1rem}
.ai-card p{color:#c4bba8;font-size:.9rem;line-height:1.7}

/* 社区模块 */
.community-section{padding:60px 0;background:#f9f7f2}
.community-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.community-card{display:flex;gap:20px;background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:all .4s}
.community-card:hover{box-shadow:0 8px 30px rgba(26,107,60,.12)}
.community-card img{width:120px;height:120px;object-fit:cover;border-radius:10px;flex-shrink:0}
.community-card h3{color:#1a5c35;margin-bottom:6px;font-size:1.05rem}
.community-card p{color:#6b6356;font-size:.88rem;line-height:1.7}

/* 专家团队 */
.expert-section{padding:60px 0;background:linear-gradient(180deg,#f0ede5 0%,#f9f7f2 100%)}
.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 20px rgba(0,0,0,.06);text-align:center;transition:all .4s}
.expert-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(26,107,60,.12)}
.expert-card img{width:100%;height:220px;object-fit:cover}
.expert-card .expert-info{padding:18px 16px}
.expert-card h3{color:#1a5c35;font-size:1.05rem;margin-bottom:4px}
.expert-card .title{color:#c8963e;font-size:.85rem;margin-bottom:8px}
.expert-card p{color:#6b6356;font-size:.82rem;line-height:1.6}
.expert-btn{display:inline-block;padding:6px 18px;background:linear-gradient(135deg,#1a5c35,#2a8c55);color:#fff;border-radius:20px;font-size:.82rem;margin-top:10px;transition:all .3s}
.expert-btn:hover{background:linear-gradient(135deg,#c8963e,#a67a2e);color:#fff}

/* FAQ */
.faq-section{padding:60px 0;background:#f9f7f2}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;box-shadow:0 2px 10px rgba(0,0,0,.04);overflow:hidden;border:1px solid rgba(26,107,60,.08)}
.faq-question{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#1a5c35;font-size:1rem;transition:background .3s}
.faq-question:hover{background:rgba(26,107,60,.04)}
.faq-question::after{content:'+';font-size:1.4rem;color:#c8963e;transition:transform .3s}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 24px;max-height:0;overflow:hidden;transition:all .4s;color:#6b6356;font-size:.92rem;line-height:1.8}
.faq-item.active .faq-answer{padding:0 24px 18px;max-height:500px}

/* 用户评论 */
.review-section{padding:60px 0;background:linear-gradient(180deg,#f0ede5 0%,#f9f7f2 100%)}
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.review-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 15px rgba(0,0,0,.05);border-left:4px solid #1a5c35}
.review-card .stars{color:#c8963e;margin-bottom:8px;font-size:1.1rem}
.review-card .review-text{color:#4a4540;font-size:.92rem;line-height:1.8;margin-bottom:12px;font-style:italic}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.reviewer-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#1a5c35,#c8963e);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.9rem}
.reviewer-name{font-weight:600;color:#1a5c35;font-size:.88rem}
.reviewer-date{color:#9a9083;font-size:.78rem}

/* 合作品牌 */
.partner-section{padding:50px 0;background:#fff}
.partner-logos{display:flex;justify-content:center;gap:40px;flex-wrap:wrap;align-items:center;opacity:.7}
.partner-logos span{font-size:1.1rem;color:#9a9083;padding:12px 24px;border:1px solid #e8e0d0;border-radius:8px}

/* 联系我们 */
.contact-section{padding:60px 0;background:#f9f7f2}
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.contact-info{background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 15px rgba(0,0,0,.05)}
.contact-info h3{color:#1a5c35;margin-bottom:16px;font-size:1.15rem}
.contact-info p{color:#6b6356;margin-bottom:10px;font-size:.92rem;line-height:1.8}
.qr-codes{display:flex;gap:24px;margin-top:16px}
.qr-codes .qr-item{text-align:center}
.qr-codes .qr-item img{width:140px;height:140px;border-radius:8px;border:2px solid #e8e0d0}
.qr-codes .qr-item p{margin-top:6px;font-size:.82rem;color:#6b6356}

/* How-To指南 */
.howto-section{padding:60px 0;background:linear-gradient(180deg,#f0ede5 0%,#f9f7f2 100%)}
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;max-width:1000px;margin:0 auto}
.howto-step{text-align:center;padding:24px 16px}
.step-num{width:48px;height:48px;background:linear-gradient(135deg,#1a5c35,#2a8c55);color:#c8963e;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:700;margin:0 auto 12px}
.howto-step h4{color:#1a5c35;margin-bottom:6px;font-size:1rem}
.howto-step p{color:#6b6356;font-size:.85rem;line-height:1.6}

/* 页脚 */
.site-footer{background:linear-gradient(135deg,#0a2e18 0%,#0d3b1f 50%,#0a2e18 100%);color:#a0987e;padding:40px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-bottom:30px}
.footer-col h4{color:#c8963e;margin-bottom:14px;font-size:1rem}
.footer-col p,.footer-col a{color:#a0987e;font-size:.88rem;line-height:2}
.footer-col a:hover{color:#c8963e}
.footer-col ul{list-style:none}
.footer-col ul li a{display:block}
.footer-bottom{border-top:1px solid rgba(200,150,62,.15);padding-top:18px;text-align:center;font-size:.82rem;color:#7a7468}
.footer-bottom a{color:#c8963e}

/* 分享按钮 */
.share-bar{display:flex;gap:10px;justify-content:center;margin-top:20px}
.share-btn{display:inline-flex;align-items:center;gap:5px;padding:8px 16px;border-radius:20px;font-size:.82rem;color:#fff;transition:all .3s}
.share-btn.wechat{background:#07c160}
.share-btn.weibo{background:#e6162d}
.share-btn.bilibili{background:#00a1d6}
.share-btn:hover{opacity:.85;color:#fff}

/* 回到顶部 */
.back-top{position:fixed;bottom:30px;right:30px;width:46px;height:46px;background:linear-gradient(135deg,#1a5c35,#2a8c55);color:#c8963e;border:none;border-radius:50%;cursor:pointer;font-size:1.2rem;display:none;align-items:center;justify-content:center;box-shadow:0 4px 15px rgba(0,0,0,.2);z-index:999;transition:all .3s}
.back-top:hover{background:linear-gradient(135deg,#c8963e,#a67a2e);color:#fff}

/* 面包屑 */
.breadcrumb{padding:12px 0;font-size:.85rem;color:#9a9083}
.breadcrumb a{color:#1a5c35}
.breadcrumb span{margin:0 6px;color:#c4bba8}

/* 响应式 */
@media(max-width:1024px){
.video-grid{grid-template-columns:repeat(3,1fr)}
.expert-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.nav-inner{flex-wrap:wrap;height:auto;padding:12px 20px}
.main-nav{display:none;width:100%;flex-direction:column;gap:0;padding-top:10px}
.main-nav.show{display:flex}
.main-nav li a{display:block;padding:10px 0;border-bottom:1px solid rgba(200,150,62,.1)}
.mobile-toggle{display:block}
.hero-section{height:380px}
.hero-content h1{font-size:1.8rem}
.video-grid{grid-template-columns:repeat(2,1fr)}
.media-grid{grid-template-columns:1fr}
.ai-grid{grid-template-columns:1fr}
.community-grid{grid-template-columns:1fr}
.expert-grid{grid-template-columns:repeat(2,1fr)}
.review-grid{grid-template-columns:1fr}
.contact-grid{grid-template-columns:1fr}
.howto-steps{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
.video-grid{grid-template-columns:1fr}
.expert-grid{grid-template-columns:1fr}
.howto-steps{grid-template-columns:1fr}
}