/* ============================================
   人兽 原创样式表
   品牌色系：品牌粉 #FF6B9D / 梦幻紫 #C850C0
   ============================================ */

/* 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",Arial,sans-serif;color:#333;background:#F8F0FF;line-height:1.7;overflow-x:hidden}
a{color:#C850C0;text-decoration:none;transition:color .3s}
a:hover{color:#FF6B9D}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:#1A1A2E}

/* 容器 */
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* 顶部导航 */
.site-header{background:linear-gradient(135deg,#1A1A2E 0%,#2D1B4E 100%);position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(0,0,0,.3)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;max-width:1200px;margin:0 auto}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-logo img{height:42px;width:auto}
.nav-logo span{color:#fff;font-size:1.3rem;font-weight:700;letter-spacing:1px}
.nav-menu{display:flex;gap:6px;align-items:center}
.nav-menu a{color:rgba(255,255,255,.85);padding:8px 16px;border-radius:8px;font-size:.95rem;transition:all .3s}
.nav-menu a:hover,.nav-menu a.active{background:linear-gradient(135deg,#FF6B9D,#C850C0);color:#fff}
.nav-search{position:relative;margin-left:12px}
.nav-search input{width:200px;padding:8px 36px 8px 14px;border:none;border-radius:20px;background:rgba(255,255,255,.12);color:#fff;font-size:.9rem;outline:none;transition:all .3s}
.nav-search input::placeholder{color:rgba(255,255,255,.5)}
.nav-search input:focus{background:rgba(255,255,255,.2);width:240px}
.nav-search-btn{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:none;color:rgba(255,255,255,.6);cursor:pointer;font-size:1rem}
.mobile-toggle{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer}

/* Hero 横幅 */
.hero-section{position:relative;height:520px;overflow:hidden;background:#1A1A2E}
.hero-section img{width:100%;height:100%;object-fit:cover;opacity:.7}
.hero-overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;background:linear-gradient(180deg,rgba(26,26,46,.3) 0%,rgba(26,26,46,.7) 100%);padding:20px}
.hero-overlay h1{font-size:3rem;color:#fff;text-shadow:0 4px 20px rgba(200,80,192,.5);margin-bottom:12px}
.hero-overlay h1 em{font-style:normal;background:linear-gradient(135deg,#FF6B9D,#FFD93D);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-overlay p{font-size:1.2rem;color:rgba(255,255,255,.85);max-width:680px;margin-bottom:24px}
.hero-btn{display:inline-block;padding:14px 40px;background:linear-gradient(135deg,#FF6B9D,#C850C0);color:#fff;border-radius:30px;font-size:1.1rem;font-weight:600;transition:all .3s;box-shadow:0 6px 25px rgba(255,107,157,.4)}
.hero-btn:hover{transform:translateY(-3px);box-shadow:0 10px 35px rgba(255,107,157,.6);color:#fff}

/* 通用标题区 */
.section-title{text-align:center;margin-bottom:48px}
.section-title h2{font-size:2rem;margin-bottom:8px;position:relative;display:inline-block}
.section-title h2::after{content:'';display:block;width:60px;height:4px;background:linear-gradient(135deg,#FF6B9D,#C850C0);margin:12px auto 0;border-radius:2px}
.section-title p{color:#666;font-size:1rem;margin-top:10px}

/* 视频卡片网格 */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.video-card{position:relative;border-radius:14px;overflow:hidden;background:#fff;box-shadow:0 4px 20px rgba(0,0,0,.08);transition:all .4s;cursor:pointer}
.video-card:hover{transform:translateY(-8px);box-shadow:0 12px 40px rgba(200,80,192,.2)}
.video-card .thumb{position:relative;padding-top:56.25%;overflow:hidden}
.video-card .thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .thumb img{transform:scale(1.08)}
.video-card .play-btn{position:absolute;inset:0;display:flex;justify-content:center;align-items:center;background:rgba(26,26,46,.4);opacity:0;transition:opacity .3s}
.video-card:hover .play-btn{opacity:1}
.video-card .play-btn span{width:56px;height:56px;background:linear-gradient(135deg,#FF6B9D,#C850C0);border-radius:50%;display:flex;justify-content:center;align-items:center;box-shadow:0 4px 20px rgba(255,107,157,.5)}
.video-card .play-btn span::after{content:'';border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-card .card-body{padding:14px 16px}
.video-card .card-body h3{font-size:.95rem;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-card .card-meta{display:flex;justify-content:space-between;color:#999;font-size:.8rem}
.video-card .card-meta .views::before{content:'▶ '}
.video-card .card-meta .likes::before{content:'♥ '}
.video-card .tag{position:absolute;top:12px;left:12px;background:linear-gradient(135deg,#FF6B9D,#C850C0);color:#fff;padding:3px 10px;border-radius:12px;font-size:.75rem;z-index:2}

/* 服务模块 */
.services-section{padding:80px 0;background:#fff}
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.service-item{text-align:center;padding:36px 24px;border-radius:16px;background:linear-gradient(180deg,#F8F0FF,#fff);border:1px solid rgba(200,80,192,.1);transition:all .4s}
.service-item:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(200,80,192,.15);border-color:rgba(200,80,192,.3)}
.service-item .icon{width:72px;height:72px;margin:0 auto 20px;border-radius:20px;background:linear-gradient(135deg,#FF6B9D,#C850C0);display:flex;justify-content:center;align-items:center;font-size:2rem;color:#fff;box-shadow:0 6px 20px rgba(255,107,157,.3)}
.service-item h3{font-size:1.1rem;margin-bottom:10px}
.service-item p{color:#666;font-size:.9rem;line-height:1.6}

/* AI赋能 */
.ai-section{padding:80px 0;background:linear-gradient(135deg,#1A1A2E,#2D1B4E);color:#fff}
.ai-section .section-title h2{color:#fff}
.ai-section .section-title p{color:rgba(255,255,255,.7)}
.ai-flex{display:flex;gap:48px;align-items:center}
.ai-flex .ai-img{flex:1;border-radius:16px;overflow:hidden;box-shadow:0 8px 40px rgba(0,0,0,.3)}
.ai-flex .ai-img img{width:100%;display:block}
.ai-flex .ai-content{flex:1}
.ai-flex .ai-content h3{font-size:1.5rem;margin-bottom:16px;color:#FFD93D}
.ai-flex .ai-content p{color:rgba(255,255,255,.8);margin-bottom:20px;line-height:1.8}
.ai-feature-list{display:flex;flex-direction:column;gap:16px}
.ai-feature-list .feat{display:flex;align-items:flex-start;gap:14px;padding:16px;background:rgba(255,255,255,.06);border-radius:12px;border:1px solid rgba(255,255,255,.08)}
.ai-feature-list .feat .feat-icon{width:44px;height:44px;min-width:44px;border-radius:12px;background:linear-gradient(135deg,#FF6B9D,#C850C0);display:flex;justify-content:center;align-items:center;font-size:1.2rem}
.ai-feature-list .feat h4{font-size:1rem;margin-bottom:4px;color:#fff}
.ai-feature-list .feat p{font-size:.85rem;color:rgba(255,255,255,.65)}

/* 社区互动 */
.community-section{padding:80px 0;background:#fff}
.community-flex{display:flex;gap:48px;align-items:center}
.community-flex .comm-img{flex:1;border-radius:16px;overflow:hidden;box-shadow:0 8px 30px rgba(0,0,0,.1)}
.community-flex .comm-content{flex:1}
.community-flex .comm-content h3{font-size:1.5rem;margin-bottom:16px;color:#C850C0}
.community-flex .comm-content p{color:#555;margin-bottom:20px;line-height:1.8}
.comm-features{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.comm-features .cf-item{padding:18px;background:linear-gradient(135deg,#F8F0FF,#FFF5F8);border-radius:12px;border:1px solid rgba(200,80,192,.1)}
.comm-features .cf-item h4{font-size:.95rem;margin-bottom:6px;color:#1A1A2E}
.comm-features .cf-item p{font-size:.85rem;color:#666}

/* 专家团队 */
.experts-section{padding:80px 0;background:linear-gradient(180deg,#F8F0FF,#fff)}
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.expert-card{text-align:center;padding:32px 20px;background:#fff;border-radius:16px;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:all .4s}
.expert-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(200,80,192,.15)}
.expert-card .avatar{width:100px;height:100px;border-radius:50%;margin:0 auto 16px;overflow:hidden;border:3px solid #FF6B9D;box-shadow:0 4px 15px rgba(255,107,157,.3)}
.expert-card .avatar img{width:100%;height:100%;object-fit:cover}
.expert-card h3{font-size:1.1rem;margin-bottom:4px}
.expert-card .role{color:#C850C0;font-size:.85rem;margin-bottom:10px}
.expert-card p{color:#666;font-size:.85rem;line-height:1.6;margin-bottom:14px}
.expert-card .expert-btns{display:flex;gap:8px;justify-content:center}
.expert-card .expert-btns a{padding:6px 16px;border-radius:20px;font-size:.8rem;border:1px solid #C850C0;color:#C850C0;transition:all .3s}
.expert-card .expert-btns a:hover{background:linear-gradient(135deg,#FF6B9D,#C850C0);color:#fff;border-color:transparent}

/* 合作品牌 */
.partners-section{padding:60px 0;background:#fff}
.partner-logos{display:flex;justify-content:center;align-items:center;gap:40px;flex-wrap:wrap}
.partner-logos .partner-item{width:140px;height:70px;background:#F8F0FF;border-radius:12px;display:flex;justify-content:center;align-items:center;font-size:.9rem;color:#666;font-weight:600;border:1px solid rgba(200,80,192,.1);transition:all .3s}
.partner-logos .partner-item:hover{border-color:#C850C0;box-shadow:0 4px 15px rgba(200,80,192,.15)}

/* 用户评价 */
.reviews-section{padding:80px 0;background:linear-gradient(180deg,#F8F0FF,#FFF5F8)}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{background:#fff;padding:28px;border-radius:16px;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:all .3s}
.review-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(200,80,192,.12)}
.review-card .stars{color:#FFD93D;font-size:1.1rem;margin-bottom:12px}
.review-card .review-text{color:#555;font-size:.9rem;line-height:1.7;margin-bottom:16px;font-style:italic}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.review-card .reviewer .r-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#FF6B9D,#C850C0);display:flex;justify-content:center;align-items:center;color:#fff;font-weight:700;font-size:.9rem}
.review-card .reviewer .r-info h4{font-size:.9rem;color:#1A1A2E}
.review-card .reviewer .r-info span{font-size:.8rem;color:#999}

/* FAQ */
.faq-section{padding:80px 0;background:#fff}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{margin-bottom:16px;border:1px solid rgba(200,80,192,.15);border-radius:12px;overflow:hidden;background:#fff}
.faq-item .faq-q{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:1rem;color:#1A1A2E;transition:background .3s}
.faq-item .faq-q:hover{background:#F8F0FF}
.faq-item .faq-q .arrow{transition:transform .3s;color:#C850C0;font-size:1.2rem}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-item .faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:all .4s;color:#555;font-size:.9rem;line-height:1.7}
.faq-item.open .faq-a{padding:0 24px 18px;max-height:500px}

/* 联系我们 */
.contact-section{padding:80px 0;background:linear-gradient(135deg,#1A1A2E,#2D1B4E);color:#fff}
.contact-section .section-title h2{color:#fff}
.contact-section .section-title p{color:rgba(255,255,255,.7)}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.contact-card{background:rgba(255,255,255,.06);padding:32px;border-radius:16px;border:1px solid rgba(255,255,255,.08);text-align:center}
.contact-card h3{font-size:1.1rem;margin-bottom:16px;color:#FFD93D}
.contact-card p{color:rgba(255,255,255,.75);font-size:.9rem;line-height:1.8;margin-bottom:10px}
.contact-card img{max-width:160px;margin:10px auto;border-radius:8px}

/* How-To 指南 */
.howto-section{padding:60px 0;background:#FFF5F8}
.howto-steps{display:flex;gap:24px;justify-content:center;flex-wrap:wrap}
.howto-step{flex:1;min-width:200px;max-width:260px;text-align:center;padding:28px 20px;background:#fff;border-radius:16px;box-shadow:0 4px 15px rgba(0,0,0,.06)}
.howto-step .step-num{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#FF6B9D,#C850C0);color:#fff;display:flex;justify-content:center;align-items:center;font-size:1.3rem;font-weight:700;margin:0 auto 14px}
.howto-step h4{font-size:1rem;margin-bottom:8px;color:#1A1A2E}
.howto-step p{font-size:.85rem;color:#666}

/* 社交分享 */
.share-bar{display:flex;gap:12px;justify-content:center;padding:20px 0}
.share-bar a{width:44px;height:44px;border-radius:50%;display:flex;justify-content:center;align-items:center;color:#fff;font-size:1rem;transition:all .3s}
.share-bar a:hover{transform:translateY(-3px);color:#fff}
.share-wechat{background:#07C160}
.share-weibo{background:#E6162D}
.share-douyin{background:#000}
.share-bilibili{background:#FB7299}

/* 页脚 */
.site-footer{background:#0D0D1A;color:rgba(255,255,255,.6);padding:48px 0 24px}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:36px}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:3px;background:linear-gradient(135deg,#FF6B9D,#C850C0);border-radius:2px}
.footer-col p{font-size:.85rem;line-height:1.8;margin-bottom:8px}
.footer-col a{color:rgba(255,255,255,.6);font-size:.85rem;display:block;padding:3px 0;transition:color .3s}
.footer-col a:hover{color:#FF6B9D}
.footer-col .footer-qr{display:flex;gap:16px;margin-top:12px}
.footer-col .footer-qr img{width:100px;border-radius:6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;text-align:center;font-size:.8rem}
.footer-bottom .update-time{margin-top:6px;color:rgba(255,255,255,.4)}

/* 面包屑 */
.breadcrumb{padding:16px 0;font-size:.85rem;color:#999}
.breadcrumb a{color:#C850C0}
.breadcrumb span{margin:0 8px;color:#ccc}

/* 内页通用 */
.page-hero{height:300px;position:relative;overflow:hidden;background:#1A1A2E}
.page-hero img{width:100%;height:100%;object-fit:cover;opacity:.5}
.page-hero .overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;background:linear-gradient(180deg,rgba(26,26,46,.2),rgba(26,26,46,.7))}
.page-hero .overlay h1{font-size:2.5rem;color:#fff;text-shadow:0 4px 20px rgba(200,80,192,.5)}
.page-hero .overlay p{color:rgba(255,255,255,.8);font-size:1.1rem;margin-top:8px}
.page-content{padding:60px 0}
.page-content h2{font-size:1.6rem;margin-bottom:20px;color:#1A1A2E}
.page-content p{color:#555;line-height:1.8;margin-bottom:16px}

/* 视频播放区 */
.video-section{padding:80px 0;background:linear-gradient(180deg,#F8F0FF,#fff)}

/* 响应式 */
@media(max-width:1024px){
  .video-grid{grid-template-columns:repeat(3,1fr)}
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .expert-grid{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:repeat(2,1fr)}
  .ai-flex,.community-flex{flex-direction:column}
}
@media(max-width:768px){
  .nav-menu{display:none;position:absolute;top:100%;left:0;right:0;background:#1A1A2E;flex-direction:column;padding:20px;gap:4px}
  .nav-menu.show{display:flex}
  .mobile-toggle{display:block}
  .nav-search input{width:140px}
  .nav-search input:focus{width:180px}
  .hero-section{height:380px}
  .hero-overlay h1{font-size:2rem}
  .hero-overlay p{font-size:1rem}
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .service-grid{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .section-title h2{font-size:1.6rem}
}
@media(max-width:480px){
  .video-grid{grid-template-columns:1fr}
  .hero-section{height:300px}
  .hero-overlay h1{font-size:1.5rem}
}