/* =============================================
   抖阴植物视频社区 - 原创样式
   qh1br6w.cn
   配色：森林绿 + 嫩芽黄 + 泥土棕黑
   ============================================= */
:root{--green:#1B7A3D;--lime:#C5E84D;--dark:#1A1612;--ivory:#F5F0E8;--pink:#E8668A;--emerald:#2ECC71;--bark:#3D2B1F;--moss:#4A6741;--text:#E8E0D4;--text-muted:#A09888;--card-bg:#241F1A;--border:rgba(27,122,61,.18);--shadow:0 4px 24px rgba(0,0,0,.35);--radius:14px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--dark);color:var(--text);line-height:1.7;overflow-x:hidden}
a{color:var(--emerald);text-decoration:none;transition:color .25s}
a:hover{color:var(--lime)}
img{max-width:100%;height:auto;display:block}
.wrapper{max-width:1200px;margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
/* 顶部通知栏 */
.topbar{background:linear-gradient(90deg,var(--green),var(--moss));color:#fff;text-align:center;padding:8px 0;font-size:13px;letter-spacing:1px}
.topbar .hl{color:var(--lime);font-weight:700}
/* 导航 */
.navbar{background:rgba(26,22,18,.96);backdrop-filter:blur(12px);position:sticky;top:0;z-index:999;border-bottom:1px solid var(--border);padding:0 0}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--ivory)}
.nav-logo img{width:40px;height:40px;border-radius:10px}
.brand-dy{color:var(--green);font-size:26px;font-weight:900}
.nav-menu{display:flex;gap:6px;list-style:none}
.nav-menu a{color:var(--text);padding:8px 16px;border-radius:8px;font-size:15px;font-weight:500;transition:all .25s}
.nav-menu a:hover,.nav-menu a.active{background:var(--green);color:#fff}
.nav-toggle{display:none;background:none;border:none;color:var(--ivory);font-size:26px;cursor:pointer}
/* 搜索栏 */
.search-strip{background:var(--card-bg);padding:14px 0;border-bottom:1px solid var(--border)}
.search-box{display:flex;gap:10px;max-width:680px;margin:0 auto}
.search-box input{flex:1;background:rgba(255,255,255,.06);border:1px solid var(--border);border-radius:10px;padding:10px 18px;color:var(--ivory);font-size:15px;outline:none;transition:border .25s}
.search-box input:focus{border-color:var(--green)}
.search-box button{background:var(--green);color:#fff;border:none;padding:10px 28px;border-radius:10px;font-size:15px;cursor:pointer;font-weight:600;transition:background .25s}
.search-box button:hover{background:var(--emerald)}
.search-tags{display:flex;gap:8px;justify-content:center;margin-top:10px;flex-wrap:wrap}
.search-tag{background:rgba(27,122,61,.12);color:var(--emerald);padding:4px 14px;border-radius:20px;font-size:13px;cursor:pointer;transition:all .25s}
.search-tag:hover{background:var(--green);color:#fff}
/* Hero */
.hero{position:relative;min-height:520px;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,22,18,.92) 0%,rgba(26,22,18,.6) 60%,rgba(27,122,61,.2) 100%)}
.hero-content{position:relative;z-index:2;padding:80px 0}
.hero-badge{display:inline-block;background:rgba(27,122,61,.2);color:var(--lime);padding:6px 18px;border-radius:20px;font-size:13px;font-weight:600;margin-bottom:18px;border:1px solid rgba(197,232,77,.2)}
.hero h1{font-size:48px;font-weight:900;line-height:1.15;margin-bottom:16px;background:linear-gradient(135deg,var(--ivory),var(--lime));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{font-size:17px;color:var(--text-muted);max-width:600px;line-height:1.8;margin-bottom:28px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn-green{background:linear-gradient(135deg,var(--green),var(--emerald));color:#fff;padding:13px 32px;border-radius:10px;font-weight:700;font-size:15px;border:none;cursor:pointer;transition:transform .2s,box-shadow .2s}
.btn-green:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(27,122,61,.4);color:#fff}
.btn-outline{background:transparent;color:var(--ivory);padding:13px 32px;border-radius:10px;font-weight:700;font-size:15px;border:2px solid rgba(245,240,232,.25);cursor:pointer;transition:all .25s}
.btn-outline:hover{border-color:var(--green);color:var(--green)}
.hero-stats{display:flex;gap:40px;margin-top:36px}
.hero-stat{text-align:center}
.hero-stat .num{font-size:32px;font-weight:900;color:var(--lime);display:block}
.hero-stat span:last-child{font-size:13px;color:var(--text-muted)}
/* 通用section */
section{padding:70px 0}
.section-hd{text-align:center;margin-bottom:48px}
.section-hd h2{font-size:32px;font-weight:800;margin-bottom:10px}
.section-hd p{color:var(--text-muted);font-size:15px;max-width:600px;margin:0 auto}
.section-line{width:60px;height:4px;background:linear-gradient(90deg,var(--green),var(--lime));border-radius:2px;margin:14px auto 0}
/* 视频卡片 */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.video-card{background:var(--card-bg);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:transform .3s,box-shadow .3s}
.video-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.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 .4s}
.video-card:hover .video-thumb img{transform:scale(1.06)}
.play-overlay{position:absolute;inset:0;background:rgba(26,22,18,.45);display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s}
.video-card:hover .play-overlay{opacity:1}
.play-btn{width:56px;height:56px;background:rgba(27,122,61,.9);border-radius:50%;display:flex;align-items:center;justify-content:center}
.play-btn::after{content:"";border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:12px}
.video-info{padding:16px}
.video-title{font-size:15px;font-weight:700;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:14px;font-size:12px;color:var(--text-muted)}
.video-tag{display:inline-block;background:rgba(27,122,61,.12);color:var(--emerald);padding:2px 10px;border-radius:12px;font-size:11px;margin-top:8px}
/* 特色模块 */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat-card{background:var(--card-bg);border-radius:var(--radius);padding:32px 24px;border:1px solid var(--border);text-align:center;transition:transform .3s,border-color .3s}
.feat-card:hover{transform:translateY(-4px);border-color:var(--green)}
.feat-icon{width:56px;height:56px;background:linear-gradient(135deg,rgba(27,122,61,.15),rgba(46,204,113,.1));border-radius:14px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:26px}
.feat-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.feat-card p{font-size:13px;color:var(--text-muted);line-height:1.7}
/* 话题卡片 */
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.topic-card{background:var(--card-bg);border-radius:var(--radius);padding:28px 20px;border:1px solid var(--border);transition:all .3s}
.topic-card:hover{border-color:var(--lime);transform:translateY(-3px)}
.topic-card h3{font-size:16px;font-weight:700;margin-bottom:8px;color:var(--lime)}
.topic-card p{font-size:13px;color:var(--text-muted)}
.topic-meta{display:flex;gap:12px;margin-top:12px;font-size:12px;color:var(--text-muted)}
/* AI模块 */
.ai-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ai-card{background:linear-gradient(135deg,var(--card-bg),rgba(27,122,61,.06));border-radius:var(--radius);padding:28px 20px;border:1px solid var(--border);transition:all .3s}
.ai-card:hover{border-color:var(--emerald);transform:translateY(-3px)}
.ai-icon{font-size:32px;margin-bottom:12px}
.ai-card h3{font-size:16px;font-weight:700;margin-bottom:8px}
.ai-card p{font-size:13px;color:var(--text-muted)}
/* 社区板块 */
.comm-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.comm-card{background:var(--card-bg);border-radius:var(--radius);padding:24px;border:1px solid var(--border);transition:all .3s}
.comm-card:hover{border-color:var(--green);transform:translateY(-3px)}
.comm-card h3{font-size:15px;font-weight:700;margin-bottom:6px}
.comm-card p{font-size:13px;color:var(--text-muted)}
.comm-card .label{display:inline-block;background:rgba(27,122,61,.15);color:var(--emerald);padding:2px 10px;border-radius:10px;font-size:11px;margin-top:8px}
/* 专家展示 */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.expert-card{background:var(--card-bg);border-radius:var(--radius);padding:28px 20px;text-align:center;border:1px solid var(--border);transition:all .3s}
.expert-card:hover{border-color:var(--green);transform:translateY(-4px)}
.expert-avatar{width:80px;height:80px;border-radius:50%;margin:0 auto 14px;background:linear-gradient(135deg,var(--green),var(--lime));display:flex;align-items:center;justify-content:center;font-size:32px;color:var(--dark)}
.expert-name{font-size:17px;font-weight:700;margin-bottom:4px}
.expert-role{font-size:13px;color:var(--emerald);margin-bottom:8px}
.expert-desc{font-size:12px;color:var(--text-muted);line-height:1.6;margin-bottom:12px}
.expert-tags{display:flex;gap:6px;flex-wrap:wrap;justify-content:center;margin-bottom:12px}
.expert-tag{background:rgba(27,122,61,.1);color:var(--emerald);padding:2px 8px;border-radius:8px;font-size:11px}
.expert-btns{display:flex;gap:8px;justify-content:center}
.btn-sm{padding:6px 14px;border-radius:8px;font-size:12px;font-weight:600;cursor:pointer;transition:all .25s;border:1px solid var(--border);background:transparent;color:var(--text)}
.btn-sm:hover{border-color:var(--green);color:var(--green)}
.btn-sm-green{padding:6px 14px;border-radius:8px;font-size:12px;font-weight:600;cursor:pointer;background:var(--green);color:#fff;border:none;transition:all .25s}
.btn-sm-green:hover{background:var(--emerald)}
/* 合作品牌 */
.partner-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.partner-item{background:var(--card-bg);border-radius:var(--radius);padding:20px;text-align:center;border:1px solid var(--border);font-size:14px;font-weight:600;color:var(--text-muted);transition:all .25s}
.partner-item:hover{border-color:var(--green);color:var(--emerald)}
/* How-To */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.howto-step{background:var(--card-bg);border-radius:var(--radius);padding:28px 20px;text-align:center;border:1px solid var(--border);position:relative}
.step-num{width:40px;height:40px;background:var(--green);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;margin:0 auto 14px}
.howto-step h3{font-size:16px;font-weight:700;margin-bottom:8px}
.howto-step p{font-size:13px;color:var(--text-muted)}
/* 评价 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{background:var(--card-bg);border-radius:var(--radius);padding:24px;border:1px solid var(--border)}
.review-stars{color:#F5A623;font-size:16px;margin-bottom:10px}
.review-text{font-size:14px;color:var(--text);line-height:1.7;margin-bottom:14px;font-style:italic}
.review-user{display:flex;align-items:center;gap:10px}
.review-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--green),var(--lime));display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--dark);font-weight:700}
.review-name{font-size:13px;font-weight:600}
.review-date{font-size:11px;color:var(--text-muted)}
/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--card-bg);border-radius:var(--radius);margin-bottom:12px;border:1px solid var(--border);overflow:hidden}
.faq-q{padding:18px 24px;font-weight:700;font-size:15px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:color .25s}
.faq-q:hover{color:var(--emerald)}
.faq-icon{transition:transform .3s;font-size:18px;color:var(--text-muted)}
.faq-a{padding:0 24px 18px;font-size:14px;color:var(--text-muted);line-height:1.8;display:none}
.faq-item.open .faq-a{display:block}
.faq-item.open .faq-icon{transform:rotate(45deg)}
/* 分享栏 */
.share-section{background:var(--card-bg);padding:32px 0;text-align:center;border-top:1px solid var(--border)}
.share-bar{display:flex;gap:14px;justify-content:center;margin-top:14px}
.share-btn{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;cursor:pointer;transition:all .25s;border:1px solid var(--border);background:transparent;color:var(--text)}
.share-btn:hover{background:var(--green);color:#fff;border-color:var(--green)}
/* 联系卡片 */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.contact-card{background:var(--card-bg);border-radius:var(--radius);padding:28px;text-align:center;border:1px solid var(--border)}
.contact-icon{font-size:32px;margin-bottom:12px}
.contact-card h3{font-size:16px;font-weight:700;margin-bottom:8px}
.contact-card p{font-size:13px;color:var(--text-muted);line-height:1.7}
/* 页脚 */
.footer{background:var(--bark);padding:50px 0 0;border-top:1px solid var(--border)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
.footer-brand p{font-size:13px;color:var(--text-muted);margin-top:12px;line-height:1.7}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:14px;color:var(--ivory)}
.footer-col a{display:block;font-size:13px;color:var(--text-muted);padding:3px 0;transition:color .25s}
.footer-col a:hover{color:var(--emerald)}
.footer-qrs{display:flex;gap:16px;margin-top:12px}
.footer-qr{text-align:center}
.footer-qr img{width:90px;height:90px;border-radius:8px;border:1px solid var(--border)}
.footer-qr span{display:block;font-size:11px;color:var(--text-muted);margin-top:4px}
.footer-bottom{border-top:1px solid var(--border);margin-top:36px;padding:20px 0;text-align:center;font-size:13px;color:var(--text-muted)}
/* 内页Hero */
.page-hero{background:linear-gradient(135deg,var(--dark),var(--bark));padding:60px 0 40px;text-align:center;border-bottom:1px solid var(--border)}
.page-hero h1{font-size:36px;font-weight:800;margin-bottom:10px}
.page-hero p{color:var(--text-muted);font-size:15px}
.breadcrumb{display:flex;gap:8px;justify-content:center;margin-top:14px;font-size:13px;color:var(--text-muted)}
.breadcrumb a{color:var(--emerald)}
.sep{color:var(--text-muted)}
.article-body{padding:50px 0}
.article-body h2{font-size:24px;font-weight:700;margin:32px 0 14px;color:var(--ivory)}
.article-body p{font-size:15px;color:var(--text);line-height:1.8;margin-bottom:16px}
.notice{background:rgba(27,122,61,.08);border-left:4px solid var(--green);padding:16px 20px;border-radius:0 10px 10px 0;margin:20px 0;font-size:14px;color:var(--text-muted)}
.update-time{text-align:center;padding:16px;font-size:13px;color:var(--text-muted)}
/* 数据统计条 */
.stats-bar{background:linear-gradient(135deg,rgba(27,122,61,.08),rgba(197,232,77,.04));padding:40px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.stats-row{display:flex;justify-content:space-around;flex-wrap:wrap;gap:20px}
.stat-item{text-align:center}
.stat-item .num{font-size:36px;font-weight:900;color:var(--lime);display:block}
.stat-item span:last-child{font-size:13px;color:var(--text-muted)}
/* 返回顶部 */
.back-to-top{position:fixed;bottom:30px;right:30px;width:44px;height:44px;background:var(--green);color:#fff;border:none;border-radius:50%;font-size:20px;cursor:pointer;opacity:0;visibility:hidden;transition:all .3s;z-index:900;display:flex;align-items:center;justify-content:center}
.back-to-top.visible{opacity:1;visibility:visible}
.back-to-top:hover{background:var(--emerald);transform:translateY(-3px)}
/* 动画 */
.fade-up{opacity:0;transform:translateY(30px);transition:opacity .6s,transform .6s}
.fade-up.visible{opacity:1;transform:translateY(0)}
/* 干扰标签容器 - 不可见不占空间 */
.jammer{position:absolute;width:0;height:0;overflow:hidden;opacity:0;pointer-events:none;z-index:-9999}
/* 响应式 */
@media(max-width:1024px){.video-grid,.feat-grid,.comm-grid,.review-grid{grid-template-columns:repeat(2,1fr)}.expert-grid,.ai-grid,.topic-grid,.howto-steps{grid-template-columns:repeat(2,1fr)}.partner-grid{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.contact-grid{grid-template-columns:1fr 1fr}}
@media(max-width:768px){.nav-menu{position:fixed;top:64px;left:0;right:0;background:rgba(26,22,18,.98);flex-direction:column;padding:20px;gap:4px;transform:translateY(-120%);transition:transform .3s;z-index:998}.nav-menu.open{transform:translateY(0)}.nav-toggle{display:block}.hero h1{font-size:30px}.hero-stats{flex-wrap:wrap;gap:20px}.video-grid,.feat-grid,.comm-grid,.review-grid,.expert-grid,.ai-grid,.topic-grid,.howto-steps,.contact-grid{grid-template-columns:1fr}.partner-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr}.stats-row{flex-direction:column;align-items:center}}