/* 呦呦视频 - 原创样式 | ziuungdp.cn */
/* 配色：深靛蓝#1a1a3e 珊瑚橙#FF6B4A 薰衣草紫#9B72CF 浅灰#f4f2f7 */
:root{--xeop-indigo:#1a1a3e;--xeop-coral:#FF6B4A;--xeop-lavender:#9B72CF;--xeop-light:#f4f2f7;--xeop-dark:#0d0d24;--xeop-text:#2c2c4a;--xeop-muted:#6b6b8d;--xeop-white:#fff;--xeop-radius:10px;--xeop-shadow:0 4px 20px rgba(26,26,62,.08)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;color:var(--xeop-text);background:var(--xeop-white);line-height:1.7}
a{color:var(--xeop-coral);text-decoration:none;transition:color .2s}
a:hover{color:var(--xeop-lavender)}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}

/* 顶部导航 */
.top-bar{position:sticky;top:0;z-index:100;background:var(--xeop-indigo);box-shadow:0 2px 12px rgba(0,0,0,.3)}
.top-bar-inner{display:flex;align-items:center;height:64px;gap:24px}
.brand-logo img{height:36px;width:auto}
.main-menu ul{display:flex;list-style:none;gap:6px}
.main-menu a{color:rgba(255,255,255,.85);padding:8px 16px;border-radius:6px;font-size:.95rem;transition:all .2s}
.main-menu a:hover,.main-menu a.active{background:var(--xeop-coral);color:#fff}
.search-box{margin-left:auto;display:flex;gap:0}
.search-box input{width:200px;padding:7px 14px;border:1px solid rgba(255,255,255,.2);border-radius:6px 0 0 6px;background:rgba(255,255,255,.1);color:#fff;font-size:.9rem;outline:none}
.search-box input::placeholder{color:rgba(255,255,255,.5)}
.search-box button{padding:7px 16px;background:var(--xeop-coral);color:#fff;border:none;border-radius:0 6px 6px 0;cursor:pointer;font-size:.9rem}
.mob-toggle{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer}

/* Hero */
.hero-section{position:relative;min-height:480px;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(26,26,62,.88),rgba(155,114,207,.6))}
.hero-content{position:relative;z-index:2;color:#fff;padding:60px 0;max-width:720px}
.hero-content h1{font-size:2.4rem;font-weight:800;margin-bottom:16px;line-height:1.3}
.hero-desc{font-size:1.1rem;line-height:1.8;margin-bottom:24px;opacity:.92}
.hero-btns{display:flex;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.btn-primary{display:inline-block;padding:12px 32px;background:var(--xeop-coral);color:#fff;border-radius:8px;font-weight:600;font-size:1rem;transition:transform .2s}
.btn-primary:hover{transform:translateY(-2px);color:#fff}
.btn-outline{display:inline-block;padding:12px 32px;border:2px solid #fff;color:#fff;border-radius:8px;font-weight:600;font-size:1rem;transition:all .2s}
.btn-outline:hover{background:#fff;color:var(--xeop-indigo)}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap}
.hero-tags span{padding:4px 14px;background:rgba(255,255,255,.15);border-radius:20px;font-size:.85rem;color:rgba(255,255,255,.9)}

/* 面包屑 */
.crumb-nav{background:var(--xeop-light);padding:12px 0;font-size:.85rem}
.crumb-nav ol{display:flex;list-style:none;gap:8px}
.crumb-nav a{color:var(--xeop-muted)}

/* 内容区块 */
.content-block{padding:60px 0}
.alt-bg{background:var(--xeop-light)}
.block-title{font-size:1.8rem;font-weight:700;color:var(--xeop-indigo);margin-bottom:12px;text-align:center}
.block-intro{text-align:center;color:var(--xeop-muted);max-width:680px;margin:0 auto 36px;font-size:1rem}

/* 卡片网格 */
.card-grid{display:grid;gap:20px}
.six-col{grid-template-columns:repeat(3,1fr)}
.four-col{grid-template-columns:repeat(4,1fr)}
.media-card{background:var(--xeop-white);border-radius:var(--xeop-radius);overflow:hidden;box-shadow:var(--xeop-shadow);transition:transform .25s}
.media-card:hover{transform:translateY(-4px)}
.card-cover{position:relative;overflow:hidden;aspect-ratio:16/9}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.media-card:hover .card-cover img{transform:scale(1.05)}
.play-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.3);opacity:0;transition:opacity .3s}
.media-card:hover .play-overlay{opacity:1}
.play-icon{width:52px;height:52px;background:var(--xeop-coral);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.4rem;padding-left:4px}
.card-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.7);color:#fff;padding:2px 8px;border-radius:4px;font-size:.8rem}
.card-badge{position:absolute;top:8px;left:8px;background:var(--xeop-coral);color:#fff;padding:2px 10px;border-radius:4px;font-size:.8rem;font-weight:600}
.card-info{padding:14px}
.card-info h3{font-size:.95rem;font-weight:600;color:var(--xeop-indigo);margin-bottom:6px;line-height:1.4}
.compact h4{padding:10px 12px 2px;font-size:.9rem;color:var(--xeop-indigo);line-height:1.4}
.compact .card-meta{padding:4px 12px 12px}
.card-meta{display:flex;gap:12px;font-size:.8rem;color:var(--xeop-muted)}

/* Tab */
.tab-btns{display:flex;gap:8px;margin-bottom:24px;flex-wrap:wrap;justify-content:center}
.tab-btn{padding:8px 22px;border:2px solid var(--xeop-lavender);background:transparent;color:var(--xeop-lavender);border-radius:24px;cursor:pointer;font-size:.9rem;transition:all .2s}
.tab-btn.active,.tab-btn:hover{background:var(--xeop-lavender);color:#fff}
.tab-panel{display:none}
.tab-panel.active{display:block}

/* Feature */
.feature-row{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.feature-item{background:var(--xeop-white);padding:32px 24px;border-radius:var(--xeop-radius);box-shadow:var(--xeop-shadow);text-align:center;transition:transform .2s}
.feature-item:hover{transform:translateY(-4px)}
.feature-icon{font-size:2.8rem;margin-bottom:16px}
.feature-item h3{font-size:1.1rem;color:var(--xeop-indigo);margin-bottom:10px}
.feature-item p{color:var(--xeop-muted);font-size:.92rem;line-height:1.7}

/* 社区 */
.community-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.comm-card{background:var(--xeop-white);padding:28px 20px;border-radius:var(--xeop-radius);box-shadow:var(--xeop-shadow);text-align:center;transition:transform .2s}
.comm-card:hover{transform:translateY(-3px)}
.comm-icon{font-size:2.4rem;margin-bottom:12px}
.comm-card h4{color:var(--xeop-indigo);margin-bottom:8px;font-size:1.05rem}
.comm-card p{color:var(--xeop-muted);font-size:.9rem;margin-bottom:10px}
.comm-stat{display:inline-block;padding:4px 12px;background:var(--xeop-light);border-radius:16px;font-size:.8rem;color:var(--xeop-coral);font-weight:600}

/* 专家 */
.expert-row{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.expert-card{background:var(--xeop-white);padding:32px;border-radius:var(--xeop-radius);box-shadow:var(--xeop-shadow);text-align:center}
.expert-card img{width:120px;height:120px;border-radius:50%;object-fit:cover;margin:0 auto 16px;border:3px solid var(--xeop-lavender)}
.expert-card h4{color:var(--xeop-indigo);font-size:1.1rem;margin-bottom:4px}
.expert-title{color:var(--xeop-coral);font-size:.85rem;margin-bottom:10px}
.expert-card p{color:var(--xeop-muted);font-size:.9rem;line-height:1.6;margin-bottom:14px}
.expert-links{display:flex;gap:12px;justify-content:center}
.expert-links a{padding:6px 18px;border:1px solid var(--xeop-coral);border-radius:6px;font-size:.85rem;color:var(--xeop-coral);transition:all .2s}
.expert-links a:hover{background:var(--xeop-coral);color:#fff}

/* 合作 */
.partner-logos{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:32px;justify-content:center}
.partner-tag{font-weight:600;color:var(--xeop-indigo)}
.partner-item{padding:8px 20px;background:var(--xeop-white);border-radius:8px;box-shadow:var(--xeop-shadow);font-size:.9rem;color:var(--xeop-muted)}
.howto-section h3{text-align:center;color:var(--xeop-indigo);margin-bottom:24px;font-size:1.3rem}
.step-list{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step-item{background:var(--xeop-white);padding:24px 18px;border-radius:var(--xeop-radius);box-shadow:var(--xeop-shadow);text-align:center}
.step-num{display:inline-flex;width:40px;height:40px;align-items:center;justify-content:center;background:var(--xeop-coral);color:#fff;border-radius:50%;font-weight:700;font-size:1.1rem;margin-bottom:12px}
.step-item h4{color:var(--xeop-indigo);margin-bottom:8px;font-size:.95rem}
.step-item p{color:var(--xeop-muted);font-size:.85rem}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--xeop-white);border-radius:var(--xeop-radius);margin-bottom:12px;box-shadow:var(--xeop-shadow);overflow:hidden}
.faq-item summary{padding:16px 20px;cursor:pointer;list-style:none;display:flex;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary h3{font-size:1rem;color:var(--xeop-indigo);font-weight:600}
.faq-item p{padding:0 20px 16px;color:var(--xeop-muted);font-size:.92rem;line-height:1.7}

/* 评价 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{background:var(--xeop-white);padding:24px;border-radius:var(--xeop-radius);box-shadow:var(--xeop-shadow)}
.review-stars{color:#FFB800;font-size:1.2rem;margin-bottom:10px}
.review-text{color:var(--xeop-text);font-size:.92rem;line-height:1.7;margin-bottom:12px;font-style:italic}
.review-author{color:var(--xeop-muted);font-size:.82rem}

/* 联系 */
.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-bottom:28px}
.contact-info h3,.contact-community h3{color:var(--xeop-indigo);margin-bottom:14px;font-size:1.15rem}
.contact-list{list-style:none}
.contact-list li{padding:6px 0;color:var(--xeop-muted);font-size:.9rem;border-bottom:1px solid var(--xeop-light)}
.contact-list strong{color:var(--xeop-text)}
.share-bar{text-align:center;padding-top:20px;border-top:1px solid var(--xeop-light)}
.share-bar span{color:var(--xeop-muted);margin-right:12px}
.share-btn{display:inline-block;padding:6px 18px;margin:4px;background:var(--xeop-indigo);color:#fff;border-radius:6px;font-size:.85rem;transition:background .2s}
.share-btn:hover{background:var(--xeop-coral);color:#fff}

/* 页脚 */
.site-footer{background:var(--xeop-dark);color:rgba(255,255,255,.7);padding:48px 0 0}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand p{margin-top:12px;font-size:.9rem;line-height:1.6}
.footer-brand img{height:32px;width:auto}
.footer-links h4{color:#fff;margin-bottom:12px;font-size:1rem}
.footer-links ul{list-style:none}
.footer-links a{color:rgba(255,255,255,.6);font-size:.9rem;display:block;padding:4px 0;transition:color .2s}
.footer-links a:hover{color:var(--xeop-coral)}
.footer-qr{display:flex;gap:20px}
.qr-item{text-align:center}
.qr-placeholder{width:100px;height:100px;background:rgba(255,255,255,.1);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:.75rem;color:rgba(255,255,255,.4);margin-bottom:6px}
.qr-item p{font-size:.8rem}
.footer-bottom{padding:20px 0;text-align:center;font-size:.82rem;color:rgba(255,255,255,.4)}

/* 回到顶部 */
.back-top{position:fixed;bottom:32px;right:32px;width:44px;height:44px;background:var(--xeop-coral);color:#fff;border:none;border-radius:50%;font-size:1.2rem;cursor:pointer;opacity:0;visibility:hidden;transition:all .3s;box-shadow:0 4px 12px rgba(255,107,74,.3);z-index:99}
.back-top.show{opacity:1;visibility:visible}
.toast-msg{position:fixed;top:80px;left:50%;transform:translateX(-50%);background:var(--xeop-indigo);color:#fff;padding:10px 28px;border-radius:8px;font-size:.9rem;opacity:0;visibility:hidden;transition:all .3s;z-index:200}
.toast-msg.show{opacity:1;visibility:visible}

/* 干扰标签隐藏 */
.nw-bxsqxqpf{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important;padding:0!important;margin:-1px!important}

/* 响应式 */
@media(max-width:1024px){
.six-col{grid-template-columns:repeat(2,1fr)}
.four-col{grid-template-columns:repeat(2,1fr)}
.feature-row,.community-grid{grid-template-columns:repeat(2,1fr)}
.step-list{grid-template-columns:repeat(2,1fr)}
.review-grid{grid-template-columns:repeat(2,1fr)}
.footer-top{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
.main-menu{display:none;position:absolute;top:64px;left:0;right:0;background:var(--xeop-indigo);padding:16px;z-index:99}
.main-menu.open{display:block}
.main-menu ul{flex-direction:column;gap:4px}
.mob-toggle{display:block}
.search-box{display:none}
.hero-content h1{font-size:1.6rem}
.hero-desc{font-size:.95rem}
.six-col,.four-col,.feature-row,.community-grid,.review-grid,.expert-row{grid-template-columns:1fr}
.step-list{grid-template-columns:1fr 1fr}
.contact-layout{grid-template-columns:1fr}
.footer-top{grid-template-columns:1fr}
.footer-qr{justify-content:center}
.block-title{font-size:1.4rem}
}