/* ============================================
   91动漫 全站样式表
   品牌色系：糖心粉 #E8456B / 浅粉 #FF8FA3 / 梦幻紫 #6C3CE0
   ============================================ */

/* === 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","Hiragino Sans GB","Microsoft YaHei","WenQuanYi Micro Hei",sans-serif;color:#2D2D3F;background:#FFF5F7;line-height:1.7;overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:color .3s}
a:hover{color:#E8456B}
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}

/* === 通用容器 === */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:2rem;color:#1A1A2E;position:relative;display:inline-block;padding-bottom:12px}
.section-title h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,#E8456B,#6C3CE0);border-radius:2px}
.section-title p{color:#6B7280;margin-top:10px;font-size:.95rem}

/* === 顶部导航 === */
.site-header{background:#1A1A2E;position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(0,0,0,.15)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-logo img{height:40px;width:auto}
.nav-logo span{color:#fff;font-size:1.2rem;font-weight:700}
.nav-menu{display:flex;gap:4px}
.nav-menu a{color:rgba(255,255,255,.85);padding:8px 16px;border-radius:6px;font-size:.9rem;transition:all .3s}
.nav-menu a:hover,.nav-menu a.active{background:linear-gradient(135deg,#E8456B,#6C3CE0);color:#fff}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:#fff;border-radius:2px;transition:all .3s}

/* === 搜索栏 === */
.search-bar{background:linear-gradient(135deg,#E8456B 0%,#6C3CE0 100%);padding:12px 0}
.search-wrap{display:flex;justify-content:center;align-items:center;gap:10px}
.search-wrap input{width:420px;max-width:70%;padding:10px 20px;border:none;border-radius:25px;font-size:.95rem;outline:none;background:rgba(255,255,255,.95)}
.search-wrap button{padding:10px 28px;border:none;border-radius:25px;background:#1A1A2E;color:#fff;font-size:.9rem;cursor:pointer;transition:all .3s}
.search-wrap button:hover{background:#fff;color:#1A1A2E}

/* === Hero Banner === */
.hero{position:relative;overflow:hidden;min-height:480px;display:flex;align-items:center;justify-content:center;background:#1A1A2E}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.55)}
.hero-content{position:relative;z-index:2;text-align:center;color:#fff;padding:40px 20px}
.hero-content h1{font-size:2.8rem;margin-bottom:16px;text-shadow:0 2px 20px rgba(0,0,0,.4)}
.hero-content p{font-size:1.15rem;margin-bottom:28px;opacity:.92;max-width:640px;margin-left:auto;margin-right:auto}
.hero-btn{display:inline-block;padding:14px 40px;background:linear-gradient(135deg,#E8456B,#6C3CE0);color:#fff;border-radius:30px;font-size:1rem;font-weight:600;transition:transform .3s,box-shadow .3s}
.hero-btn:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(232,69,107,.4);color:#fff}

/* === 视频卡片网格 === */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:20px}
.video-card{position:relative;border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:transform .3s,box-shadow .3s}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(232,69,107,.15)}
.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(1.05)}
.video-card .play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:56px;height:56px;background:rgba(232,69,107,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s,transform .3s}
.video-card:hover .play-btn{opacity:1}
.play-btn::after{content:'';border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.video-card .card-body{padding:16px}
.video-card .card-body h3{font-size:1rem;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-card .card-meta{display:flex;gap:16px;color:#6B7280;font-size:.8rem}
.video-card .card-meta span{display:flex;align-items:center;gap:4px}
.video-card .tag{position:absolute;top:12px;left:12px;background:linear-gradient(135deg,#E8456B,#6C3CE0);color:#fff;padding:3px 10px;border-radius:4px;font-size:.75rem;z-index:2}
.video-card .duration{position:absolute;bottom:12px;right:12px;background:rgba(0,0,0,.7);color:#fff;padding:2px 8px;border-radius:4px;font-size:.75rem;z-index:2}

/* === 模块区域通用 === */
.section{padding:60px 0}
.section-alt{background:#fff}
.section-dark{background:#1A1A2E;color:#fff}
.section-dark .section-title h2{color:#fff}
.section-dark .section-title p{color:rgba(255,255,255,.7)}

/* === 影视传媒模块 === */
.media-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.media-item{text-align:center;padding:30px 20px;background:#fff;border-radius:12px;box-shadow:0 4px 16px rgba(0,0,0,.04);transition:all .3s}
.media-item:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(232,69,107,.12)}
.media-item .icon{width:64px;height:64px;margin:0 auto 16px;background:linear-gradient(135deg,#E8456B,#6C3CE0);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.8rem;color:#fff}
.media-item h4{font-size:1rem;margin-bottom:8px;color:#1A1A2E}
.media-item p{font-size:.85rem;color:#6B7280}

/* === AI赋能模块 === */
.ai-section{position:relative;overflow:hidden}
.ai-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.ai-features{display:flex;flex-direction:column;gap:20px}
.ai-feature-item{display:flex;gap:16px;padding:20px;background:rgba(255,255,255,.06);border-radius:12px;border:1px solid rgba(255,255,255,.1);transition:all .3s}
.ai-feature-item:hover{background:rgba(232,69,107,.1);border-color:rgba(232,69,107,.3)}
.ai-feature-item .num{font-size:2rem;font-weight:800;background:linear-gradient(135deg,#E8456B,#6C3CE0);-webkit-background-clip:text;-webkit-text-fill-color:transparent;min-width:48px}
.ai-feature-item h4{font-size:1rem;margin-bottom:6px}
.ai-feature-item p{font-size:.85rem;opacity:.75}
.ai-img{border-radius:16px;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.ai-img img{width:100%}

/* === 社区模块 === */
.community-features{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.comm-card{padding:28px;background:#fff;border-radius:12px;text-align:center;box-shadow:0 4px 16px rgba(0,0,0,.04);transition:all .3s;border-top:3px solid transparent}
.comm-card:hover{border-top-color:#E8456B;transform:translateY(-4px)}
.comm-card .comm-icon{font-size:2.5rem;margin-bottom:12px}
.comm-card h4{font-size:1rem;margin-bottom:8px;color:#1A1A2E}
.comm-card p{font-size:.85rem;color:#6B7280}

/* === 专家展示 === */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.expert-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.06);transition:all .3s;text-align:center}
.expert-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(232,69,107,.12)}
.expert-card .avatar{width:100%;aspect-ratio:1;overflow:hidden}
.expert-card .avatar img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.expert-card:hover .avatar img{transform:scale(1.05)}
.expert-card .info{padding:20px}
.expert-card .info h4{font-size:1.05rem;margin-bottom:4px;color:#1A1A2E}
.expert-card .info .role{color:#E8456B;font-size:.85rem;margin-bottom:10px}
.expert-card .info p{font-size:.82rem;color:#6B7280;margin-bottom:14px}
.expert-card .btns{display:flex;gap:8px;justify-content:center;padding:0 20px 20px}
.expert-card .btns a{flex:1;padding:8px;border-radius:6px;font-size:.8rem;text-align:center;transition:all .3s}
.btn-primary{background:linear-gradient(135deg,#E8456B,#6C3CE0);color:#fff}
.btn-primary:hover{opacity:.9;color:#fff}
.btn-outline{border:1px solid #E8456B;color:#E8456B}
.btn-outline:hover{background:#E8456B;color:#fff}

/* === 合作品牌 === */
.partner-wall{text-align:center}
.partner-wall img{max-width:900px;margin:0 auto;border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.08)}

/* === FAQ === */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;box-shadow:0 2px 10px rgba(0,0,0,.04);overflow:hidden}
.faq-q{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:.95rem;transition:background .3s}
.faq-q:hover{background:#FFF0F3}
.faq-q .arrow{transition:transform .3s;font-size:1.2rem;color:#E8456B}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:all .4s;color:#6B7280;font-size:.9rem;line-height:1.8}
.faq-item.open .faq-a{padding:0 24px 18px;max-height:300px}

/* === 用户评论 === */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.review-card{background:#fff;padding:24px;border-radius:12px;box-shadow:0 4px 16px rgba(0,0,0,.04);position:relative}
.review-card::before{content:'\201C';position:absolute;top:10px;left:16px;font-size:3rem;color:#E8456B;opacity:.2;font-family:serif}
.review-card .stars{color:#FFB800;margin-bottom:8px;font-size:.9rem}
.review-card .review-text{font-size:.9rem;color:#2D2D3F;margin-bottom:12px;line-height:1.7}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.reviewer-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#E8456B,#6C3CE0);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.9rem}
.reviewer-info .name{font-weight:600;font-size:.85rem}
.reviewer-info .date{font-size:.75rem;color:#6B7280}

/* === 联系我们 === */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-info{display:flex;flex-direction:column;gap:20px}
.contact-item{display:flex;gap:14px;align-items:flex-start}
.contact-item .ci-icon{width:44px;height:44px;min-width:44px;background:linear-gradient(135deg,#E8456B,#6C3CE0);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.2rem}
.contact-item h4{font-size:.95rem;margin-bottom:2px}
.contact-item p{font-size:.85rem;color:#6B7280}
.contact-qr{display:flex;gap:24px;justify-content:center;align-items:flex-start}
.qr-box{text-align:center}
.qr-box img{width:180px;height:180px;border-radius:10px;margin-bottom:8px}
.qr-box p{font-size:.85rem;color:#6B7280}

/* === How-To指南 === */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:30px}
.step-item{text-align:center;padding:24px 16px;background:#fff;border-radius:12px;box-shadow:0 4px 16px rgba(0,0,0,.04)}
.step-num{width:48px;height:48px;margin:0 auto 14px;background:linear-gradient(135deg,#E8456B,#6C3CE0);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:1.2rem}
.step-item h4{font-size:.95rem;margin-bottom:6px}
.step-item p{font-size:.82rem;color:#6B7280}

/* === 社交分享 === */
.share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:8px;color:#fff;font-size:.85rem;transition:all .3s}
.share-btn:hover{transform:translateY(-2px);opacity:.9;color:#fff}
.share-wechat{background:#07C160}
.share-weibo{background:#E6162D}
.share-douyin{background:#161823}
.share-bilibili{background:#00A1D6}

/* === 页脚 === */
.site-footer{background:#1A1A2E;color:rgba(255,255,255,.75);padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand .footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .footer-logo img{height:36px}
.footer-brand .footer-logo span{color:#fff;font-weight:700;font-size:1.1rem}
.footer-brand p{font-size:.85rem;line-height:1.7}
.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:2px;background:#E8456B}
.footer-col a{display:block;font-size:.85rem;padding:4px 0;transition:color .3s}
.footer-col a:hover{color:#E8456B}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;font-size:.82rem}
.footer-bottom a{color:#E8456B}

/* === 面包屑 === */
.breadcrumb{padding:14px 0;font-size:.85rem;color:#6B7280}
.breadcrumb a{color:#E8456B}
.breadcrumb span{margin:0 8px}

/* === 内页通用 === */
.page-hero{background:linear-gradient(135deg,#1A1A2E 0%,#2D1B69 100%);padding:60px 0;text-align:center;color:#fff}
.page-hero h1{font-size:2.2rem;margin-bottom:10px}
.page-hero p{opacity:.8;font-size:1rem}
.page-content{padding:50px 0}
.content-article{max-width:900px;margin:0 auto;background:#fff;padding:40px;border-radius:16px;box-shadow:0 4px 20px rgba(0,0,0,.06)}
.content-article h2{font-size:1.5rem;color:#1A1A2E;margin:28px 0 14px;padding-left:14px;border-left:3px solid #E8456B}
.content-article h3{font-size:1.2rem;color:#2D2D3F;margin:20px 0 10px}
.content-article p{margin-bottom:16px;font-size:.95rem;line-height:1.8}
.content-article img{border-radius:10px;margin:20px 0}

/* === 标签 === */
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}
.tag-item{padding:4px 14px;background:#FFF0F3;color:#E8456B;border-radius:20px;font-size:.8rem;transition:all .3s}
.tag-item:hover{background:#E8456B;color:#fff}

/* === 响应式 === */
@media(max-width:1024px){
  .video-grid,.media-grid,.expert-grid{grid-template-columns:repeat(2,1fr)}
  .ai-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .howto-steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .nav-menu{display:none;position:absolute;top:64px;left:0;right:0;background:#1A1A2E;flex-direction:column;padding:16px;gap:4px;box-shadow:0 10px 30px rgba(0,0,0,.2)}
  .nav-menu.open{display:flex}
  .nav-toggle{display:flex}
  .hero-content h1{font-size:1.8rem}
  .video-grid{grid-template-columns:1fr}
  .media-grid{grid-template-columns:1fr 1fr}
  .community-features{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr 1fr}
  .review-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .contact-qr{flex-direction:column;align-items:center}
  .footer-grid{grid-template-columns:1fr}
  .search-wrap input{width:60%}
  .section-title h2{font-size:1.5rem}
  .howto-steps{grid-template-columns:1fr}
}
@media(max-width:480px){
  .media-grid,.expert-grid{grid-template-columns:1fr}
  .hero{min-height:360px}
  .hero-content h1{font-size:1.5rem}
  .share-bar{flex-direction:column;align-items:center}
}

/* === 懒加载 === */
img[loading="lazy"]{opacity:0;transition:opacity .5s}
img[loading="lazy"].loaded,img[loading="lazy"][src]{opacity:1}

/* === 动画 === */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.animate-in{animation:fadeInUp .6s ease forwards}