/* ============================================
   呦呦视频 - 游戏解说视频社区 原创样式表
   品牌色系：活力橙 #FF6B35 / 深夜蓝 #1A1A2E / 电竞红 #E94560
   域名：jL609058.cn
   ============================================ */

/* --- CSS Reset & Base --- */
*,*::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:#0F0F23;color:#EAEAEA;line-height:1.8;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}

/* --- Container --- */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section-padding{padding:60px 0}

/* --- Header / Navigation --- */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(15,15,35,.95);backdrop-filter:blur(12px);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:70px}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{height:42px;width:auto}
.logo-wrap span{font-size:1.3rem;font-weight:800;background:linear-gradient(135deg,#FF6B35,#E94560);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{padding:8px 14px;font-size:.9rem;color:#ccc;border-radius:6px;transition:all .3s;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(255,107,53,.15)}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:#FF6B35;border-radius:2px;transition:all .3s}

/* --- Search Bar --- */
.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;border:2px solid rgba(255,107,53,.3);border-right:none;border-radius:25px 0 0 25px;background:rgba(15,15,35,.8);color:#eee;font-size:.95rem;outline:none;transition:border-color .3s}
.search-box input:focus{border-color:#FF6B35}
.search-box input::placeholder{color:#666}
.search-box button{padding:10px 24px;background:linear-gradient(135deg,#FF6B35,#E94560);color:#fff;border:none;border-radius:0 25px 25px 0;cursor:pointer;font-size:.95rem;transition:opacity .3s}
.search-box button:hover{opacity:.85}

/* --- Hero Banner --- */
.hero-banner{position:relative;height:75vh;min-height:480px;overflow:hidden;margin-top:70px}
.hero-banner .hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.55)}
.hero-banner .hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,15,35,.3) 0%,rgba(15,15,35,.85) 100%)}
.hero-banner .hero-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;text-shadow:0 2px 20px rgba(0,0,0,.5)}
.hero-banner h1 .brand-highlight{background:linear-gradient(135deg,#FF6B35,#E94560);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-banner .hero-desc{font-size:1.15rem;color:#ccc;max-width:680px;margin-bottom:28px;line-height:1.9}
.hero-banner .hero-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.hero-banner .hero-tags span{padding:6px 16px;background:rgba(255,107,53,.12);border:1px solid rgba(255,107,53,.3);border-radius:20px;font-size:.85rem;color:#FF6B35}
.hero-cta{display:inline-flex;align-items:center;gap:8px;margin-top:24px;padding:14px 36px;background:linear-gradient(135deg,#FF6B35,#E94560);color:#fff;font-size:1.05rem;font-weight:600;border-radius:30px;transition:transform .3s,box-shadow .3s}
.hero-cta:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(233,69,96,.4);color:#fff}

/* --- Section Titles --- */
.section-title{text-align:center;margin-bottom:45px}
.section-title h2{font-size:2rem;margin-bottom:10px}
.section-title h2 .highlight{color:#FF6B35}
.section-title p{color:#999;font-size:1rem;max-width:600px;margin:0 auto}
.section-title .title-line{width:60px;height:3px;background:linear-gradient(90deg,#FF6B35,#E94560);margin:12px auto 0;border-radius:2px}

/* --- Video Card Grid --- */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.video-card{background:#161630;border-radius:12px;overflow:hidden;transition:transform .3s,box-shadow .3s;border:1px solid rgba(255,107,53,.08)}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(255,107,53,.15)}
.video-card .card-thumb{position:relative;padding-top:56.25%;overflow:hidden}
.video-card .card-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .card-thumb img{transform:scale(1.08)}
.video-card .play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(0);width:56px;height:56px;background:rgba(255,107,53,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform .3s;pointer-events:none}
.video-card:hover .play-btn{transform:translate(-50%,-50%) scale(1)}
.play-btn::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:3px}
.video-card .card-stats{position:absolute;bottom:8px;left:8px;display:flex;gap:10px;font-size:.75rem;color:#fff}
.video-card .card-stats span{background:rgba(0,0,0,.65);padding:2px 8px;border-radius:4px;display:flex;align-items:center;gap:4px}
.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-body .card-meta{display:flex;justify-content:space-between;align-items:center;font-size:.82rem;color:#888}
.video-card .card-body .card-meta .tag{color:#FF6B35}
.video-card .card-body .card-desc{font-size:.85rem;color:#999;margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* --- Module Cards (AI, Media etc) --- */
.module-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.module-card{background:linear-gradient(145deg,#161630,#1a1a3e);border-radius:14px;padding:30px 24px;border:1px solid rgba(255,107,53,.1);transition:all .3s;text-align:center}
.module-card:hover{border-color:rgba(255,107,53,.35);transform:translateY(-4px);box-shadow:0 8px 30px rgba(255,107,53,.1)}
.module-card .icon{width:64px;height:64px;margin:0 auto 18px;background:linear-gradient(135deg,rgba(255,107,53,.15),rgba(233,69,96,.15));border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.8rem}
.module-card h3{font-size:1.1rem;margin-bottom:10px}
.module-card p{font-size:.88rem;color:#999;line-height:1.7}

/* --- Expert Section --- */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:28px}
.expert-card{background:#161630;border-radius:14px;overflow:hidden;border:1px solid rgba(255,107,53,.08);transition:all .3s}
.expert-card:hover{border-color:rgba(255,107,53,.3);box-shadow:0 8px 30px rgba(255,107,53,.1)}
.expert-card .expert-img{width:100%;height:220px;object-fit:cover}
.expert-card .expert-body{padding:20px}
.expert-card .expert-body h3{font-size:1.1rem;margin-bottom:4px}
.expert-card .expert-body .role{color:#FF6B35;font-size:.85rem;margin-bottom:10px}
.expert-card .expert-body p{font-size:.88rem;color:#999;line-height:1.7;margin-bottom:14px}
.expert-card .expert-body .expert-btns{display:flex;gap:10px}
.expert-card .expert-body .expert-btns a{padding:7px 16px;border-radius:20px;font-size:.82rem;border:1px solid rgba(255,107,53,.4);color:#FF6B35;transition:all .3s}
.expert-card .expert-body .expert-btns a:hover{background:#FF6B35;color:#fff}

/* --- FAQ Section --- */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#161630;border-radius:10px;margin-bottom:14px;border:1px solid rgba(255,107,53,.08);overflow:hidden}
.faq-item .faq-q{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:1rem;transition:background .3s}
.faq-item .faq-q:hover{background:rgba(255,107,53,.05)}
.faq-item .faq-q .arrow{transition:transform .3s;color:#FF6B35;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:max-height .4s ease,padding .4s;font-size:.92rem;color:#aaa;line-height:1.8}
.faq-item.open .faq-a{max-height:300px;padding:0 24px 18px}

/* --- Reviews Section --- */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.review-card{background:#161630;border-radius:12px;padding:24px;border:1px solid rgba(255,107,53,.08)}
.review-card .stars{color:#FF6B35;margin-bottom:10px;font-size:1.1rem;letter-spacing:2px}
.review-card .review-text{font-size:.92rem;color:#ccc;line-height:1.8;margin-bottom:14px;font-style:italic}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.review-card .reviewer .avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#FF6B35,#E94560);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.9rem}
.review-card .reviewer .info .name{font-size:.9rem;font-weight:600}
.review-card .reviewer .info .date{font-size:.78rem;color:#777}

/* --- Community Section --- */
.community-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px}
.community-card{border-radius:14px;overflow:hidden;position:relative;height:280px;transition:transform .3s}
.community-card:hover{transform:scale(1.03)}
.community-card img{width:100%;height:100%;object-fit:cover}
.community-card .overlay{position:absolute;inset:0;background:linear-gradient(0deg,rgba(15,15,35,.85) 0%,transparent 60%);display:flex;flex-direction:column;justify-content:flex-end;padding:20px}
.community-card .overlay h3{font-size:1.1rem;margin-bottom:4px}
.community-card .overlay p{font-size:.82rem;color:#bbb}

/* --- Contact Section --- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-info{background:#161630;border-radius:14px;padding:30px;border:1px solid rgba(255,107,53,.08)}
.contact-info h3{font-size:1.2rem;margin-bottom:18px;color:#FF6B35}
.contact-info .info-item{display:flex;align-items:flex-start;gap:12px;margin-bottom:16px;font-size:.92rem;color:#ccc}
.contact-info .info-item .label{color:#FF6B35;min-width:70px;font-weight:600}
.contact-qr{display:flex;gap:24px;justify-content:center;flex-wrap:wrap}
.contact-qr .qr-item{text-align:center}
.contact-qr .qr-item img{width:180px;height:180px;border-radius:10px;margin-bottom:8px}
.contact-qr .qr-item p{font-size:.85rem;color:#999}

/* --- Partner Logos --- */
.partner-wall{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;align-items:center}
.partner-wall .partner-item{background:#161630;border-radius:10px;padding:16px 28px;border:1px solid rgba(255,107,53,.08);font-size:.95rem;color:#ccc;transition:all .3s}
.partner-wall .partner-item:hover{border-color:#FF6B35;color:#FF6B35}

/* --- How-To Guide --- */
.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:24px;margin-top:30px}
.howto-step{text-align:center;padding:24px;background:#161630;border-radius:12px;border:1px solid rgba(255,107,53,.08)}
.howto-step .step-num{width:48px;height:48px;margin:0 auto 14px;background:linear-gradient(135deg,#FF6B35,#E94560);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:800;color:#fff}
.howto-step h4{margin-bottom:8px;font-size:1rem}
.howto-step p{font-size:.85rem;color:#999}

/* --- Share Buttons --- */
.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:8px 18px;border-radius:20px;font-size:.85rem;color:#fff;transition:all .3s;cursor:pointer}
.share-btn.wechat{background:#07C160}
.share-btn.weibo{background:#E6162D}
.share-btn.douyin{background:#161823}
.share-btn.bilibili{background:#00A1D6}
.share-btn:hover{opacity:.8;transform:translateY(-2px)}

/* --- Footer --- */
.site-footer{background:#0a0a1a;border-top:1px solid rgba(255,107,53,.1);padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-col h4{font-size:1rem;margin-bottom:16px;color:#FF6B35}
.footer-col p,.footer-col a{font-size:.88rem;color:#888;line-height:2}
.footer-col a:hover{color:#FF6B35}
.footer-col .footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-col .footer-logo img{height:36px}
.footer-col .footer-logo span{font-size:1.1rem;font-weight:700;color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.05);padding:20px 0;text-align:center;font-size:.82rem;color:#666}
.footer-bottom .update-time{margin-top:6px;color:#555}

/* --- Breadcrumb --- */
.breadcrumb{padding:14px 0;font-size:.85rem;color:#888}
.breadcrumb a{color:#FF6B35}
.breadcrumb span{margin:0 8px;color:#555}

/* --- Inner Page Hero --- */
.inner-hero{margin-top:70px;padding:60px 0 40px;background:linear-gradient(135deg,#1A1A2E,#0F0F23);text-align:center}
.inner-hero h1{font-size:2.2rem;margin-bottom:10px}
.inner-hero p{color:#999;font-size:1rem;max-width:600px;margin:0 auto}

/* --- Tag Cloud --- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;justify-content:center}
.tag-cloud .tag{padding:5px 14px;background:rgba(255,107,53,.08);border:1px solid rgba(255,107,53,.2);border-radius:16px;font-size:.8rem;color:#FF6B35;transition:all .3s}
.tag-cloud .tag:hover{background:rgba(255,107,53,.2)}

/* --- Lazy Load Placeholder --- */
.lazy{opacity:0;transition:opacity .6s}
.lazy.loaded{opacity:1}

/* --- Responsive --- */
@media(max-width:992px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .hero-banner h1{font-size:2rem}
  .expert-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
}
@media(max-width:768px){
  .main-nav{position:fixed;top:70px;left:0;width:100%;background:rgba(15,15,35,.98);flex-direction:column;padding:20px;gap:4px;transform:translateY(-120%);transition:transform .3s;border-bottom:1px solid rgba(255,107,53,.15)}
  .main-nav.open{transform:translateY(0)}
  .main-nav a{padding:12px 16px;width:100%;text-align:center}
  .nav-toggle{display:flex}
  .hero-banner{height:60vh;min-height:380px}
  .hero-banner h1{font-size:1.6rem}
  .hero-banner .hero-desc{font-size:.95rem}
  .section-title h2{font-size:1.5rem}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
  .module-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .section-padding{padding:40px 0}
}
@media(max-width:480px){
  .module-grid{grid-template-columns:1fr}
  .video-grid{grid-template-columns:1fr}
  .community-grid{grid-template-columns:1fr 1fr}
  .hero-banner h1{font-size:1.3rem}
  .search-box input{padding:8px 14px;font-size:.85rem}
}

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

/* --- MCP Service Frontend (UI Only) --- */
.mcp-widget{background:#161630;border-radius:10px;padding:20px;border:1px solid rgba(255,107,53,.08);margin-top:20px}
.mcp-widget h4{font-size:.95rem;margin-bottom:12px;color:#FF6B35}
.mcp-widget .mcp-status{display:flex;align-items:center;gap:8px;font-size:.85rem;color:#4CAF50}
.mcp-widget .mcp-status::before{content:"";width:8px;height:8px;background:#4CAF50;border-radius:50%;display:inline-block}