/* ============================================
   91植物视频社区 - 原创CSS样式表
   配色方案：森林深绿(#0d2818) + 翡翠绿(#1a6b3c) + 金色(#c8a951) + 象牙白(#f5f0e8)
   ============================================ */

/* === 基础重置 === */
*,*::before,*::after{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',sans-serif;background:#0d2818;color:#e8e0d4;line-height:1.8;overflow-x:hidden}
a{color:#c8a951;text-decoration:none;transition:color .3s}
a:hover{color:#e6c96e}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}

/* === 滚动条 === */
::-webkit-scrollbar{width:8px}
::-webkit-scrollbar-track{background:#0d2818}
::-webkit-scrollbar-thumb{background:#1a6b3c;border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:#c8a951}

/* === 顶部公告栏 === */
.top-notice{background:linear-gradient(90deg,#1a6b3c,#0d2818,#1a6b3c);padding:8px 0;text-align:center;font-size:13px;color:#c8a951;border-bottom:1px solid rgba(200,169,81,.2);overflow:hidden}
.notice-scroll{display:inline-block;white-space:nowrap;animation:scrollNotice 30s linear infinite}
@keyframes scrollNotice{0%{transform:translateX(100%)}100%{transform:translateX(-100%)}}

/* === 导航 === */
.main-nav{background:rgba(13,40,24,.97);backdrop-filter:blur(12px);position:sticky;top:0;z-index:1000;border-bottom:1px solid rgba(200,169,81,.15);padding:0 20px}
.nav-inner{max-width:1400px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:68px}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-logo img{height:42px;width:auto}
.nav-logo span{font-size:22px;font-weight:700;color:#c8a951;letter-spacing:1px}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{color:#e8e0d4;font-size:15px;font-weight:500;padding:6px 0;position:relative;transition:color .3s}
.nav-links a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:#c8a951;transition:width .3s}
.nav-links a:hover,.nav-links a.active{color:#c8a951}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-search{position:relative}
.nav-search input{background:rgba(245,240,232,.08);border:1px solid rgba(200,169,81,.25);border-radius:20px;padding:8px 38px 8px 16px;color:#e8e0d4;font-size:14px;width:200px;outline:none;transition:all .3s}
.nav-search input:focus{border-color:#c8a951;width:260px;background:rgba(245,240,232,.12)}
.nav-search input::placeholder{color:rgba(232,224,212,.4)}
.nav-search button{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:none;color:#c8a951;cursor:pointer;font-size:16px}
.mobile-toggle{display:none;background:none;border:none;color:#c8a951;font-size:24px;cursor:pointer}

/* === Hero Banner === */
.hero-banner{position:relative;height:85vh;min-height:550px;overflow:hidden}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.2s ease}
.hero-slide.active{opacity:1}
.hero-slide img{width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,40,24,.3) 0%,rgba(13,40,24,.7) 60%,rgba(13,40,24,.95) 100%)}
.hero-content{position:absolute;bottom:15%;left:50%;transform:translateX(-50%);text-align:center;width:90%;max-width:900px;z-index:2}
.hero-content h1{font-size:clamp(28px,5vw,52px);font-weight:800;color:#fff;margin-bottom:16px;text-shadow:0 2px 20px rgba(0,0,0,.5)}
.hero-content h1 span{color:#c8a951}
.hero-content p{font-size:clamp(15px,2vw,20px);color:rgba(245,240,232,.85);margin-bottom:30px;line-height:1.7}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn-primary{background:linear-gradient(135deg,#1a6b3c,#0f8a42);color:#fff;padding:14px 36px;border-radius:30px;font-size:16px;font-weight:600;border:none;cursor:pointer;transition:all .3s;display:inline-block}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(26,107,60,.4);color:#fff}
.btn-outline{border:2px solid #c8a951;color:#c8a951;padding:12px 34px;border-radius:30px;font-size:16px;font-weight:600;background:transparent;cursor:pointer;transition:all .3s;display:inline-block}
.btn-outline:hover{background:#c8a951;color:#0d2818}
.hero-dots{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:3}
.hero-dots span{width:12px;height:12px;border-radius:50%;background:rgba(245,240,232,.3);cursor:pointer;transition:all .3s}
.hero-dots span.active{background:#c8a951;transform:scale(1.2)}

/* === 通用区块 === */
.section{padding:80px 20px}
.section-inner{max-width:1400px;margin:0 auto}
.section-header{text-align:center;margin-bottom:50px}
.section-header h2{font-size:clamp(24px,3.5vw,38px);font-weight:700;color:#f5f0e8;margin-bottom:12px}
.section-header h2 span{color:#c8a951}
.section-header p{font-size:16px;color:rgba(232,224,212,.65);max-width:700px;margin:0 auto}
.section-alt{background:rgba(26,107,60,.06)}

/* === 视频卡片网格 === */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}
.video-card{background:rgba(245,240,232,.04);border-radius:14px;overflow:hidden;border:1px solid rgba(200,169,81,.1);transition:all .4s;cursor:pointer}
.video-card:hover{transform:translateY(-6px);border-color:rgba(200,169,81,.3);box-shadow:0 12px 35px rgba(0,0,0,.3)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden}
.video-thumb img{position:absolute;inset: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%) scale(0);width:64px;height:64px;background:rgba(200,169,81,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .4s;z-index:2}
.play-btn::after{content:'';width:0;height:0;border-style:solid;border-width:12px 0 12px 22px;border-color:transparent transparent transparent #0d2818;margin-left:4px}
.video-card:hover .play-btn{transform:translate(-50%,-50%) scale(1)}
.video-duration{position:absolute;bottom:10px;right:10px;background:rgba(13,40,24,.85);color:#c8a951;padding:3px 10px;border-radius:4px;font-size:12px;font-weight:600}
.video-info{padding:16px}
.video-info h3{font-size:16px;font-weight:600;color:#f5f0e8;margin-bottom:8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;justify-content:space-between;font-size:13px;color:rgba(232,224,212,.5)}
.video-tags{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.video-tags span{background:rgba(26,107,60,.2);color:#4db876;padding:3px 10px;border-radius:12px;font-size:12px}

/* === 服务模块 === */
.service-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.service-card{background:linear-gradient(145deg,rgba(26,107,60,.08),rgba(245,240,232,.03));border:1px solid rgba(200,169,81,.1);border-radius:16px;padding:32px 24px;text-align:center;transition:all .4s}
.service-card:hover{transform:translateY(-5px);border-color:rgba(200,169,81,.3);box-shadow:0 10px 30px rgba(0,0,0,.2)}
.service-icon{width:70px;height:70px;margin:0 auto 20px;background:linear-gradient(135deg,#1a6b3c,#0f8a42);border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:32px}
.service-card h3{font-size:18px;font-weight:600;color:#c8a951;margin-bottom:10px}
.service-card p{font-size:14px;color:rgba(232,224,212,.6);line-height:1.7}

/* === 专家团队 === */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:24px}
.expert-card{background:rgba(245,240,232,.04);border:1px solid rgba(200,169,81,.1);border-radius:16px;padding:28px 20px;text-align:center;transition:all .4s}
.expert-card:hover{transform:translateY(-5px);border-color:#c8a951}
.expert-avatar{width:100px;height:100px;border-radius:50%;margin:0 auto 16px;overflow:hidden;border:3px solid #c8a951}
.expert-avatar img{width:100%;height:100%;object-fit:cover}
.expert-card h4{font-size:17px;font-weight:600;color:#f5f0e8;margin-bottom:4px}
.expert-card .title{font-size:13px;color:#c8a951;margin-bottom:8px}
.expert-card .credentials{font-size:12px;color:rgba(232,224,212,.5);line-height:1.6}

/* === 用户评价 === */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.review-card{background:rgba(245,240,232,.04);border:1px solid rgba(200,169,81,.08);border-radius:14px;padding:28px;transition:all .3s}
.review-card:hover{border-color:rgba(200,169,81,.25)}
.review-stars{color:#c8a951;font-size:16px;margin-bottom:12px;letter-spacing:2px}
.review-text{font-size:14px;color:rgba(232,224,212,.75);line-height:1.8;margin-bottom:16px;font-style:italic}
.review-author{display:flex;align-items:center;gap:12px}
.review-author-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#1a6b3c,#c8a951);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:16px}
.review-author-info .name{font-size:14px;font-weight:600;color:#f5f0e8}
.review-author-info .date{font-size:12px;color:rgba(232,224,212,.4)}

/* === FAQ === */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{border:1px solid rgba(200,169,81,.1);border-radius:12px;margin-bottom:12px;overflow:hidden;background:rgba(245,240,232,.03)}
.faq-question{padding:20px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:16px;font-weight:600;color:#f5f0e8;transition:background .3s}
.faq-question:hover{background:rgba(26,107,60,.1)}
.faq-question .arrow{color:#c8a951;font-size:20px;transition:transform .3s}
.faq-item.open .faq-question .arrow{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 24px}
.faq-item.open .faq-answer{max-height:500px;padding:0 24px 20px}
.faq-answer p{font-size:14px;color:rgba(232,224,212,.65);line-height:1.8}

/* === 合作伙伴 === */
.partner-row{display:flex;justify-content:center;gap:40px;flex-wrap:wrap;align-items:center}
.partner-item{background:rgba(245,240,232,.06);border:1px solid rgba(200,169,81,.1);border-radius:12px;padding:20px 30px;font-size:16px;font-weight:600;color:rgba(232,224,212,.5);transition:all .3s}
.partner-item:hover{border-color:#c8a951;color:#c8a951}

/* === 加入步骤 === */
.steps-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px;text-align:center}
.step-item{position:relative}
.step-num{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#1a6b3c,#c8a951);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:22px;font-weight:800;color:#0d2818}
.step-item h4{font-size:16px;font-weight:600;color:#f5f0e8;margin-bottom:8px}
.step-item p{font-size:13px;color:rgba(232,224,212,.55);line-height:1.6}

/* === 联系/二维码 === */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px}
.contact-card{background:rgba(245,240,232,.04);border:1px solid rgba(200,169,81,.1);border-radius:14px;padding:28px;text-align:center}
.contact-card h4{font-size:16px;font-weight:600;color:#c8a951;margin-bottom:12px}
.contact-card img{width:160px;height:160px;margin:0 auto 12px;border-radius:8px}
.contact-card p{font-size:13px;color:rgba(232,224,212,.55)}

/* === 分享按钮 === */
.share-bar{display:flex;justify-content:center;gap:16px;padding:30px 0}
.share-btn{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff;transition:all .3s;cursor:pointer}
.share-btn:hover{transform:translateY(-3px)}
.share-weixin{background:#07c160}
.share-weibo{background:#e6162d}
.share-qq{background:#12b7f5}
.share-douyin{background:#161823}
.share-copy{background:#c8a951;color:#0d2818}

/* === 页脚 === */
.site-footer{background:rgba(8,25,15,.95);border-top:1px solid rgba(200,169,81,.12);padding:50px 20px 0}
.footer-inner{max-width:1400px;margin:0 auto}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(200,169,81,.08)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand img{height:36px}
.footer-brand span{font-size:20px;font-weight:700;color:#c8a951}
.footer-desc{font-size:13px;color:rgba(232,224,212,.5);line-height:1.7;margin-bottom:16px}
.footer-col h5{font-size:15px;font-weight:600;color:#f5f0e8;margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid #c8a951;display:inline-block}
.footer-col a{display:block;font-size:13px;color:rgba(232,224,212,.5);padding:4px 0;transition:color .3s}
.footer-col a:hover{color:#c8a951}
.footer-bottom{text-align:center;padding:20px 0;font-size:12px;color:rgba(232,224,212,.35)}
.footer-bottom a{color:rgba(200,169,81,.5)}

/* === 面包屑 === */
.breadcrumb{padding:16px 20px;font-size:13px;color:rgba(232,224,212,.5);max-width:1400px;margin:0 auto}
.breadcrumb a{color:#c8a951}
.breadcrumb span{margin:0 6px}

/* === 更新标记 === */
.update-badge{display:inline-block;background:rgba(26,107,60,.15);color:#4db876;padding:4px 12px;border-radius:12px;font-size:12px;margin-bottom:20px}

/* === 响应式 === */
@media(max-width:1024px){
.footer-top{grid-template-columns:1fr 1fr}
.nav-links{gap:18px}
}
@media(max-width:768px){
.nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:rgba(13,40,24,.98);flex-direction:column;padding:20px;gap:12px;border-bottom:1px solid rgba(200,169,81,.15)}
.nav-links.show{display:flex}
.mobile-toggle{display:block}
.nav-search{display:none}
.hero-banner{height:65vh;min-height:400px}
.hero-content h1{font-size:28px}
.section{padding:50px 16px}
.video-grid{grid-template-columns:1fr}
.service-grid{grid-template-columns:1fr}
.expert-grid{grid-template-columns:repeat(2,1fr)}
.review-grid{grid-template-columns:1fr}
.footer-top{grid-template-columns:1fr}
.steps-row{grid-template-columns:1fr 1fr}
.partner-row{gap:20px}
}
@media(max-width:480px){
.expert-grid{grid-template-columns:1fr}
.steps-row{grid-template-columns:1fr}
.hero-btns{flex-direction:column;align-items:center}
}

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