/* ============================================
   高清3D动漫 - 原创样式表
   品牌色系：活力橙 #FF6B35 | 深夜蓝 #1A1A2E | 玫瑰红 #E94560
   ============================================ */

/* === 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","Helvetica Neue",Arial,sans-serif;background:#0F0F1A;color:#EAEAEA;line-height:1.7;overflow-x:hidden}
a{color:#FF6B35;text-decoration:none;transition:color .3s}
a:hover{color:#E94560}
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:#fff}

/* === 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:#fff;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,#FF6B35,#E94560);border-radius:2px}
.section-title p{color:#aaa;margin-top:10px;font-size:.95rem}

/* === 顶部导航 === */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(15,15,26,.95);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,107,53,.15);transition:all .3s}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.site-logo{display:flex;align-items:center;gap:10px}
.site-logo img{height:40px;width:auto}
.site-logo span{font-size:1.2rem;font-weight:700;color:#FF6B35}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{padding:8px 14px;border-radius:6px;font-size:.9rem;color:#ccc;transition:all .3s}
.main-nav a:hover,.main-nav a.active{color:#FF6B35;background:rgba(255,107,53,.1)}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:#FF6B35;transition:all .3s}

/* === 搜索框 === */
.search-bar{background:rgba(26,26,46,.8);padding:12px 0;border-bottom:1px solid rgba(255,107,53,.08)}
.search-bar .container{display:flex;justify-content:center}
.search-box{display:flex;max-width:560px;width:100%}
.search-box input{flex:1;padding:10px 18px;background:rgba(255,255,255,.06);border:1px solid rgba(255,107,53,.2);border-right:none;border-radius:8px 0 0 8px;color:#eee;font-size:.9rem;outline:none;transition:border-color .3s}
.search-box input:focus{border-color:#FF6B35}
.search-box input::placeholder{color:#666}
.search-box button{padding:10px 22px;background:linear-gradient(135deg,#FF6B35,#E94560);border:none;border-radius:0 8px 8px 0;color:#fff;font-size:.9rem;cursor:pointer;transition:opacity .3s}
.search-box button:hover{opacity:.85}

/* === Banner === */
.hero-banner{position:relative;margin-top:64px;height:520px;overflow:hidden}
.hero-banner .0sgfm{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.6)}
.hero-banner .bdj86{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,15,26,.3) 0%,rgba(15,15,26,.85) 100%)}
.hero-banner .banner-content{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:0 20px}
.hero-banner h1{font-size:2.8rem;margin-bottom:16px;background:linear-gradient(135deg,#FF6B35,#E94560);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-banner .frdl594l{font-size:1.1rem;color:#ccc;max-width:680px;margin-bottom:28px;line-height:1.8}
.hero-banner .bfyoeh{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.hero-banner .bfyoeh span{padding:6px 16px;background:rgba(255,107,53,.12);border:1px solid rgba(255,107,53,.25);border-radius:20px;font-size:.82rem;color:#FF6B35}
.hero-btn{display:inline-block;padding:12px 36px;background:linear-gradient(135deg,#FF6B35,#E94560);color:#fff;border-radius:30px;font-size:1rem;font-weight:600;margin-top:20px;transition:transform .3s,box-shadow .3s}
.hero-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(255,107,53,.35);color:#fff}

/* === 视频卡片 === */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.video-card{background:#1A1A2E;border-radius:12px;overflow:hidden;transition:transform .3s,box-shadow .3s;cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 30px rgba(255,107,53,.15)}
.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(1.05)}
.video-play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;background:rgba(0,0,0,.4)}
.video-card:hover .video-play-btn{opacity:1}
.video-play-btn .play-icon{width:56px;height:56px;background:rgba(255,107,53,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform .3s}
.video-play-btn .play-icon::after{content:'';display:block;width:0;height:0;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-card:hover .play-icon{transform:scale(1.1)}
.video-info{padding:16px}
.video-info h3{font-size:1rem;margin-bottom:8px;color:#eee;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:14px;font-size:.78rem;color:#888}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tag{display:inline-block;padding:2px 8px;background:rgba(255,107,53,.12);color:#FF6B35;border-radius:4px;font-size:.72rem;margin-top:8px}

/* === 通用section === */
section{padding:60px 0}
section:nth-child(even){background:rgba(26,26,46,.4)}

/* === 模块卡片网格 === */
.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.module-card{background:linear-gradient(145deg,rgba(26,26,46,.8),rgba(15,15,26,.9));border:1px solid rgba(255,107,53,.1);border-radius:12px;padding:28px;text-align:center;transition:all .3s}
.module-card:hover{border-color:rgba(255,107,53,.3);transform:translateY(-4px);box-shadow:0 8px 20px rgba(255,107,53,.1)}
.module-card .icon{font-size:2.2rem;margin-bottom:14px}
.module-card h4{font-size:1.05rem;margin-bottom:8px;color:#FF6B35}
.module-card p{font-size:.85rem;color:#999;line-height:1.6}

/* === 专家展示 === */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.expert-card{background:#1A1A2E;border-radius:12px;overflow:hidden;text-align:center;padding-bottom:20px;transition:transform .3s}
.expert-card:hover{transform:translateY(-4px)}
.expert-card .expert-avatar{width:120px;height:120px;border-radius:50%;margin:24px auto 16px;overflow:hidden;border:3px solid #FF6B35}
.expert-card .expert-avatar img{width:100%;height:100%;object-fit:cover}
.expert-card h4{font-size:1rem;color:#fff;margin-bottom:4px}
.expert-card .expert-role{font-size:.82rem;color:#FF6B35;margin-bottom:10px}
.expert-card .expert-desc{font-size:.8rem;color:#999;padding:0 16px;line-height:1.5}
.expert-card .expert-links{display:flex;justify-content:center;gap:10px;margin-top:14px}
.expert-card .expert-links a{padding:6px 14px;border:1px solid rgba(255,107,53,.3);border-radius:6px;font-size:.78rem;color:#FF6B35;transition:all .3s}
.expert-card .expert-links a:hover{background:#FF6B35;color:#fff}

/* === 用户评价 === */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.review-card{background:rgba(26,26,46,.6);border:1px solid rgba(255,107,53,.08);border-radius:12px;padding:24px;transition:border-color .3s}
.review-card:hover{border-color:rgba(255,107,53,.25)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#FF6B35,#E94560);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1rem}
.review-name{font-size:.9rem;color:#eee}
.review-date{font-size:.75rem;color:#666}
.review-stars{color:#FF6B35;font-size:.85rem;margin-bottom:8px}
.review-text{font-size:.88rem;color:#bbb;line-height:1.7}

/* === FAQ === */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:rgba(26,26,46,.6);border:1px solid rgba(255,107,53,.08);border-radius:10px;margin-bottom:12px;overflow:hidden}
.faq-question{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:.95rem;color:#eee;transition:background .3s}
.faq-question:hover{background:rgba(255,107,53,.05)}
.faq-question .faq-toggle{font-size:1.2rem;color:#FF6B35;transition:transform .3s;flex-shrink:0;margin-left:12px}
.faq-item.active .faq-toggle{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 24px}
.faq-item.active .faq-answer{max-height:300px;padding:0 24px 18px}
.faq-answer p{font-size:.88rem;color:#999;line-height:1.7}

/* === 合作品牌 === */
.y5ca9hl{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.y5ca9hl .3wbfge{width:140px;height:60px;background:rgba(255,255,255,.05);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#666;font-size:.85rem;border:1px solid rgba(255,255,255,.06);transition:all .3s}
.y5ca9hl .3wbfge:hover{border-color:rgba(255,107,53,.2);color:#FF6B35}

/* === 联系我们 === */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.contact-info{display:flex;flex-direction:column;gap:16px}
.contact-item{display:flex;align-items:flex-start;gap:12px}
.contact-icon{width:40px;height:40px;background:rgba(255,107,53,.1);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#FF6B35;font-size:1.1rem;flex-shrink:0}
.contact-item .label{font-size:.82rem;color:#888}
.contact-item .value{font-size:.92rem;color:#eee}
.contact-qrcodes{display:flex;gap:24px;justify-content:center;align-items:flex-start}
.qrcode-box{text-align:center}
.qrcode-box img{width:160px;height:160px;border-radius:8px;border:2px solid rgba(255,107,53,.2)}
.qrcode-box p{margin-top:8px;font-size:.82rem;color:#999}

/* === 社区模块 === */
.community-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.community-card{background:rgba(26,26,46,.7);border-radius:12px;padding:24px;text-align:center;border:1px solid rgba(255,107,53,.08);transition:all .3s}
.community-card:hover{border-color:#FF6B35;transform:translateY(-4px)}
.community-card .juhwi13a{font-size:2.5rem;margin-bottom:12px}
.community-card h4{color:#FF6B35;margin-bottom:8px;font-size:.95rem}
.community-card p{font-size:.82rem;color:#999}

/* === AI赋能 === */
.ai-features{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ai-card{background:linear-gradient(145deg,rgba(26,26,46,.9),rgba(15,15,26,.95));border:1px solid rgba(233,69,96,.1);border-radius:14px;padding:30px;text-align:center;transition:all .3s;position:relative;overflow:hidden}
.ai-card::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,107,53,.03) 0%,transparent 70%);transition:all .5s}
.ai-card:hover::before{background:radial-gradient(circle,rgba(255,107,53,.08) 0%,transparent 70%)}
.ai-card:hover{border-color:rgba(233,69,96,.3);transform:translateY(-4px)}
.ai-card .ai-icon{font-size:2.4rem;margin-bottom:14px}
.ai-card h4{color:#E94560;margin-bottom:10px;font-size:1.05rem}
.ai-card p{font-size:.85rem;color:#999;line-height:1.6;position:relative;z-index:1}

/* === How-To指南 === */
.howto-steps{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}
.howto-step{background:rgba(26,26,46,.7);border-radius:12px;padding:24px;text-align:center;flex:1;min-width:200px;max-width:260px;border:1px solid rgba(255,107,53,.08);position:relative}
.howto-step .yvgsi1e{width:40px;height:40px;background:linear-gradient(135deg,#FF6B35,#E94560);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem;margin:0 auto 14px}
.howto-step h4{color:#fff;margin-bottom:8px;font-size:.95rem}
.howto-step p{font-size:.82rem;color:#999;line-height:1.5}

/* === 页脚 === */
.site-footer{background:#0a0a14;border-top:1px solid rgba(255,107,53,.1);padding:40px 0 20px}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:30px}
.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{font-size:1.1rem;font-weight:700;color:#FF6B35}
.footer-brand p{font-size:.82rem;color:#888;line-height:1.6}
.footer-col h5{color:#FF6B35;margin-bottom:14px;font-size:.92rem}
.footer-col a{display:block;font-size:.82rem;color:#888;padding:4px 0;transition:color .3s}
.footer-col a:hover{color:#FF6B35}
.footer-social{display:flex;gap:10px;margin-top:14px}
.footer-social a{width:36px;height:36px;background:rgba(255,107,53,.1);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#FF6B35;font-size:.85rem;transition:all .3s}
.footer-social a:hover{background:#FF6B35;color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.05);padding-top:20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.footer-bottom p{font-size:.78rem;color:#666}
.footer-qrcodes{display:flex;gap:16px}
.footer-qrcodes .cqava8tv{text-align:center}
.footer-qrcodes .cqava8tv img{width:80px;height:80px;border-radius:6px}
.footer-qrcodes .cqava8tv p{font-size:.7rem;color:#666;margin-top:4px}

/* === 分享按钮 === */
.4p0wf6{display:flex;gap:8px;justify-content:center;margin-top:20px}
.oih3qti1{padding:8px 16px;border-radius:6px;font-size:.8rem;color:#fff;transition:opacity .3s;cursor:pointer;border:none}
.oih3qti1:hover{opacity:.8}
.share-btn.wechat{background:#07c160}
.share-btn.weibo{background:#e6162d}
.share-btn.douyin{background:#161823}
.share-btn.bilibili{background:#fb7299}

/* === 面包屑 === */
.breadcrumb{padding:12px 0;font-size:.82rem;color:#888}
.breadcrumb a{color:#FF6B35}
.breadcrumb span{margin:0 6px;color:#555}

/* === 内页通用 === */
.page-hero{margin-top:64px;padding:60px 0;background:linear-gradient(135deg,rgba(26,26,46,.9),rgba(15,15,26,.95));text-align:center;border-bottom:1px solid rgba(255,107,53,.1)}
.page-hero h1{font-size:2.2rem;background:linear-gradient(135deg,#FF6B35,#E94560);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:10px}
.page-hero p{color:#999;font-size:.95rem}
.page-content{padding:40px 0}

/* === 响应式 === */
@media(max-width:1024px){
  .video-grid,.module-grid,.ai-features{grid-template-columns:repeat(2,1fr)}
  .expert-grid{grid-template-columns:repeat(2,1fr)}
  .community-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .main-nav{position:fixed;top:64px;left:0;width:100%;background:rgba(15,15,26,.98);flex-direction:column;padding:20px;transform:translateY(-120%);transition:transform .3s;gap:4px}
  .main-nav.active{transform:translateY(0)}
  .nav-toggle{display:flex}
  .hero-banner{height:420px}
  .hero-banner h1{font-size:2rem}
  .video-grid,.module-grid,.ai-features{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr 1fr}
  .review-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .community-grid{grid-template-columns:1fr 1fr}
  .howto-steps{flex-direction:column;align-items:center}
  .section-title h2{font-size:1.6rem}
}
@media(max-width:480px){
  .expert-grid{grid-template-columns:1fr}
  .community-grid{grid-template-columns:1fr}
  .hero-banner{height:360px}
  .hero-banner h1{font-size:1.6rem}
}

/* === 懒加载 === */
img[data-src]{opacity:0;transition:opacity .5s}
img.loaded{opacity:1}

/* === 动画 === */
.fade-in{opacity:0;transform:translateY(20px);transition:opacity .6s,transform .6s}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* === MCP前端占位 === */
.h5h90bgc{background:rgba(26,26,46,.6);border:1px dashed rgba(255,107,53,.2);border-radius:12px;padding:24px;text-align:center;margin-top:20px}
.h5h90bgc h5{color:#FF6B35;margin-bottom:8px}
.h5h90bgc p{font-size:.82rem;color:#888}