/* 兄妹乱伦 - 原创样式表 */
/* 配色：樱花白#f9f2f4 夜紫#2b1f3a 樱花粉#e84393 校园紫#6c5ce7 甜心粉#fd79a8 深灰#2d3436 中灰#636e72 */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",Arial,sans-serif;background:#f9f2f4;color:#2d3436;line-height:1.7;overflow-x:hidden}
a{color:#6c5ce7;text-decoration:none;transition:color .3s}
a:hover{color:#e84393}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}

/* 头部导航 */
.top-bar{background:#fff;position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(108,92,231,.08);border-bottom:2px solid #f0e6f6}
.top-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;max-width:1200px;margin:0 auto}
.logo-area{display:flex;align-items:center;gap:10px}
.logo-area img{width:40px;height:40px;border-radius:10px}
.logo-area .site-name{font-size:1.4rem;font-weight:800;background:linear-gradient(135deg,#e84393,#6c5ce7);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.top-nav{display:flex;gap:4px}
.top-nav a{padding:8px 18px;border-radius:22px;font-size:.9rem;color:#636e72;font-weight:500;transition:all .3s}
.top-nav a:hover,.top-nav a.cur{background:linear-gradient(135deg,#e84393,#6c5ce7);color:#fff}
.menu-btn{display:none;background:none;border:none;color:#2d3436;font-size:1.5rem;cursor:pointer}

/* 搜索条 */
.find-bar{background:linear-gradient(135deg,#f0e6f6,#fce4ec);padding:12px 0;border-bottom:1px solid rgba(232,67,147,.1)}
.find-form{max-width:580px;margin:0 auto;display:flex;gap:8px;padding:0 20px}
.find-form input{flex:1;padding:10px 20px;border-radius:25px;border:1px solid rgba(108,92,231,.25);background:#fff;color:#2d3436;font-size:.9rem;outline:none;transition:border-color .3s}
.find-form input:focus{border-color:#e84393;box-shadow:0 0 0 3px rgba(232,67,147,.1)}
.find-form button{padding:10px 26px;border-radius:25px;border:none;background:linear-gradient(135deg,#e84393,#6c5ce7);color:#fff;font-size:.9rem;cursor:pointer;transition:opacity .3s;font-weight:600}
.find-form button:hover{opacity:.85}

/* Hero区域 */
.banner{position:relative;overflow:hidden;padding:50px 0;background:linear-gradient(135deg,#f9f2f4 0%,#f0e6f6 50%,#fce4ec 100%)}
.banner-box{display:flex;align-items:center;gap:40px;max-width:1200px;margin:0 auto;padding:0 20px}
.banner-words{flex:1;z-index:2}
.banner-words h1{font-size:2.2rem;font-weight:800;line-height:1.3;margin-bottom:14px;color:#2b1f3a}
.banner-words h1 em{font-style:normal;background:linear-gradient(135deg,#e84393,#6c5ce7);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.banner-words p{font-size:1rem;color:#636e72;margin-bottom:22px;max-width:500px}
.banner-acts{display:flex;gap:12px;flex-wrap:wrap}
.btn-pink{display:inline-block;padding:12px 28px;border-radius:25px;background:linear-gradient(135deg,#e84393,#fd79a8);color:#fff;font-weight:600;font-size:.95rem;transition:transform .3s,box-shadow .3s;border:none;cursor:pointer}
.btn-pink:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(232,67,147,.3);color:#fff}
.btn-ghost{display:inline-block;padding:12px 28px;border-radius:25px;border:2px solid #6c5ce7;color:#6c5ce7;font-weight:600;font-size:.95rem;transition:all .3s;background:transparent;cursor:pointer}
.btn-ghost:hover{background:rgba(108,92,231,.08);color:#e84393}
.banner-pic{flex:1;position:relative;z-index:1}
.banner-pic img{border-radius:18px;box-shadow:0 16px 50px rgba(232,67,147,.15)}

/* 通用区块 */
.block{padding:55px 0}
.block-head{text-align:center;margin-bottom:36px}
.block-head h2{font-size:1.7rem;font-weight:700;margin-bottom:8px;color:#2b1f3a}
.block-head h2 em{font-style:normal;background:linear-gradient(135deg,#e84393,#6c5ce7);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.block-head p{color:#636e72;font-size:.95rem;max-width:560px;margin:0 auto}
.block-alt{background:#fff}

/* 传媒视频卡片 */
.vid-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px}
.vid-card{background:#fff;border-radius:16px;overflow:hidden;transition:transform .3s,box-shadow .3s;border:1px solid rgba(108,92,231,.08)}
.vid-card:hover{transform:translateY(-5px);box-shadow:0 14px 36px rgba(232,67,147,.12)}
.vid-pic{position:relative;aspect-ratio:16/9;overflow:hidden;background:#f0e6f6}
.vid-pic img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.vid-card:hover .vid-pic img{transform:scale(1.05)}
.play-icon{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:54px;height:54px;background:rgba(232,67,147,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;cursor:pointer}
.play-icon::after{content:'';width:0;height:0;border-left:18px solid #fff;border-top:11px solid transparent;border-bottom:11px solid transparent;margin-left:3px}
.vid-card:hover .play-icon{opacity:1}
.vid-len{position:absolute;bottom:8px;right:8px;background:rgba(43,31,58,.8);color:#fff;padding:2px 8px;border-radius:4px;font-size:.75rem}
.vid-detail{padding:14px 16px}
.vid-detail h3{font-size:.95rem;font-weight:600;margin-bottom:5px;color:#2b1f3a;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.vid-detail .info{display:flex;gap:14px;font-size:.78rem;color:#636e72}
.vid-detail .info span{display:flex;align-items:center;gap:4px}
.vid-label{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.vid-label span{padding:2px 10px;border-radius:12px;font-size:.72rem;background:rgba(232,67,147,.08);color:#e84393}

/* 功能模块卡片 */
.func-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.func-card{background:#fff;border-radius:16px;padding:24px;border:1px solid rgba(108,92,231,.08);transition:transform .3s;box-shadow:0 4px 15px rgba(0,0,0,.03)}
.func-card:hover{transform:translateY(-4px);box-shadow:0 10px 30px rgba(232,67,147,.1)}
.func-card .ico{font-size:2rem;margin-bottom:12px}
.func-card h3{font-size:1.02rem;color:#2b1f3a;margin-bottom:8px;font-weight:600}
.func-card p{font-size:.85rem;color:#636e72}

/* 专家卡片 */
.team-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:22px}
.team-card{background:#fff;border-radius:16px;padding:24px;text-align:center;border:1px solid rgba(108,92,231,.08);transition:transform .3s;box-shadow:0 4px 15px rgba(0,0,0,.03)}
.team-card:hover{transform:translateY(-4px)}
.team-card img{width:96px;height:96px;border-radius:50%;object-fit:cover;margin:0 auto 14px;border:3px solid #e84393}
.team-card h3{font-size:1.02rem;color:#2b1f3a;margin-bottom:3px}
.team-card .pos{color:#e84393;font-size:.83rem;margin-bottom:10px}
.team-card p{font-size:.83rem;color:#636e72;margin-bottom:14px}
.team-card .links{display:flex;gap:8px;justify-content:center}
.team-card .links a{padding:6px 16px;border-radius:16px;font-size:.78rem}

/* FAQ */
.qa-list{max-width:780px;margin:0 auto}
.qa-item{background:#fff;border-radius:14px;margin-bottom:10px;border:1px solid rgba(108,92,231,.08);overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,.02)}
.qa-q{padding:15px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#2b1f3a;transition:background .3s}
.qa-q:hover{background:rgba(232,67,147,.04)}
.qa-q::after{content:'+';font-size:1.3rem;color:#e84393;transition:transform .3s}
.qa-item.on .qa-q::after{transform:rotate(45deg)}
.qa-ans{padding:0 20px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;color:#636e72;font-size:.88rem}
.qa-item.on .qa-ans{max-height:300px;padding:0 20px 16px}

/* 用户评论 */
.say-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px}
.say-card{background:#fff;border-radius:16px;padding:22px;border:1px solid rgba(108,92,231,.08);box-shadow:0 4px 15px rgba(0,0,0,.03)}
.say-card .rate{color:#fd79a8;font-size:1.1rem;margin-bottom:8px;letter-spacing:2px}
.say-card blockquote{font-size:.88rem;color:#6c5ce7;margin-bottom:12px;font-style:italic;line-height:1.6}
.say-card .who{display:flex;align-items:center;gap:10px}
.say-card .who .face{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#e84393,#6c5ce7);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.85rem}
.say-card .who .uname{font-size:.83rem;color:#2b1f3a}
.say-card .who .udate{font-size:.73rem;color:#636e72}

/* 合作品牌 */
.brand-wall{display:flex;flex-wrap:wrap;gap:18px;justify-content:center;align-items:center}
.brand-wall .brand-tag{background:#fff;border-radius:14px;padding:14px 26px;border:1px solid rgba(108,92,231,.08);color:#636e72;font-size:.88rem;font-weight:600;transition:all .3s;box-shadow:0 2px 10px rgba(0,0,0,.02)}
.brand-wall .brand-tag:hover{border-color:#e84393;color:#e84393}

/* 联系信息 */
.reach-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px}
.reach-card{background:#fff;border-radius:16px;padding:22px;text-align:center;border:1px solid rgba(108,92,231,.08);box-shadow:0 4px 15px rgba(0,0,0,.03)}
.reach-card h3{font-size:1.02rem;color:#2b1f3a;margin-bottom:10px}
.reach-card p{font-size:.86rem;color:#636e72;margin-bottom:5px}
.reach-card img{max-width:150px;margin:10px auto 0;border-radius:8px}

/* 社交分享 */
.share-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;padding:18px 0}
.share-link{padding:8px 20px;border-radius:22px;font-size:.83rem;border:1px solid rgba(108,92,231,.15);color:#6c5ce7;transition:all .3s;cursor:pointer;background:#fff}
.share-link:hover{background:linear-gradient(135deg,#e84393,#6c5ce7);color:#fff;border-color:transparent}

/* 页脚 */
.bottom-bar{background:#2b1f3a;color:#d0c4e8;padding:40px 0 18px}
.bottom-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:28px;margin-bottom:28px}
.bottom-col h4{font-size:.98rem;color:#fff;margin-bottom:12px;position:relative;padding-bottom:8px}
.bottom-col h4::after{content:'';position:absolute;bottom:0;left:0;width:28px;height:2px;background:linear-gradient(90deg,#e84393,#6c5ce7)}
.bottom-col p,.bottom-col a{font-size:.83rem;color:#a29bbc;display:block;margin-bottom:5px}
.bottom-col a:hover{color:#fd79a8}
.bottom-qr{display:flex;gap:18px;margin-top:10px}
.bottom-qr img{width:96px;height:96px;border-radius:8px}
.bottom-end{text-align:center;padding-top:18px;border-top:1px solid rgba(232,67,147,.15);font-size:.8rem;color:#7c6fa0}

/* 面包屑 */
.crumb{padding:12px 0;font-size:.83rem;color:#636e72}
.crumb a{color:#6c5ce7}
.crumb em{font-style:normal;margin:0 6px;color:#b2bec3}

/* 内页详情 */
.intro-hero{display:flex;gap:28px;align-items:flex-start;margin-bottom:36px}
.intro-hero img{width:340px;border-radius:16px;flex-shrink:0}
.intro-body{flex:1}
.intro-body h1{font-size:1.9rem;color:#2b1f3a;margin-bottom:10px}
.intro-body .labels{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.intro-body .labels span{padding:4px 14px;border-radius:14px;font-size:.78rem;background:rgba(232,67,147,.08);color:#e84393}
.intro-body .summary{color:#636e72;font-size:.93rem;line-height:1.8;margin-bottom:18px}
.intro-nums{display:flex;gap:20px;flex-wrap:wrap}
.intro-nums .item{text-align:center}
.intro-nums .item .val{font-size:1.3rem;font-weight:700;color:#e84393}
.intro-nums .item .txt{font-size:.76rem;color:#636e72}

/* How-To指南 */
.guide-steps{max-width:680px;margin:0 auto}
.guide-step{display:flex;gap:16px;margin-bottom:18px;align-items:flex-start}
.guide-step .sn{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#e84393,#6c5ce7);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1rem;flex-shrink:0}
.guide-step .sc h4{color:#2b1f3a;margin-bottom:3px}
.guide-step .sc p{color:#636e72;font-size:.86rem}

/* 内页正文 */
.page-text{max-width:880px;margin:0 auto}
.page-text p{color:#636e72;font-size:.93rem;line-height:1.8;margin-bottom:14px}
.page-text h2{font-size:1.45rem;color:#2b1f3a;margin:28px 0 12px}
.page-text h3{font-size:1.15rem;color:#2b1f3a;margin:18px 0 8px}

/* 推荐卡片 */
.pick-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:18px;margin-top:18px}
.pick-card{background:#fff;border-radius:14px;overflow:hidden;text-align:center;border:1px solid rgba(108,92,231,.08);transition:transform .3s}
.pick-card:hover{transform:translateY(-4px)}
.pick-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.pick-card h4{padding:10px 8px 4px;font-size:.88rem;color:#2b1f3a}
.pick-card p{padding:0 8px 10px;font-size:.76rem;color:#636e72}

/* 图片展示 */
.show-img{text-align:center;margin-top:28px}
.show-img img{border-radius:16px;max-width:100%;display:inline-block}

/* 信息列表 */
.data-list{list-style:none;padding:0}
.data-list li{padding:10px 0;border-bottom:1px solid rgba(108,92,231,.06);color:#636e72;font-size:.88rem}
.data-list li strong{color:#2b1f3a}

/* 二维码展示 */
.code-wrap{display:flex;gap:28px;justify-content:center;margin:18px 0;flex-wrap:wrap}
.code-item{text-align:center}
.code-item img{width:130px;height:130px;border-radius:10px;margin-bottom:6px}
.code-item p{font-size:.8rem;color:#636e72}

/* 响应式 */
@media(max-width:768px){
  .top-inner{flex-wrap:wrap}
  .top-nav{display:none;width:100%;flex-direction:column;gap:0;padding-top:10px}
  .top-nav.open{display:flex}
  .top-nav a{padding:10px 16px;border-radius:0;border-bottom:1px solid rgba(108,92,231,.06)}
  .menu-btn{display:block}
  .banner-box{flex-direction:column;text-align:center;padding:28px 20px}
  .banner-words h1{font-size:1.6rem}
  .banner-words p{margin:0 auto 18px}
  .banner-acts{justify-content:center}
  .banner-pic img{max-width:90%}
  .intro-hero{flex-direction:column}
  .intro-hero img{width:100%;max-width:340px}
  .block{padding:36px 0}
  .block-head h2{font-size:1.4rem}
  .vid-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
  .bottom-grid{grid-template-columns:1fr 1fr}
}