/* ============================================
   91 原创样式表
   配色方案：糖心粉 + 星空紫 + 暖阳金
   ============================================ */

/* CSS Reset & Base */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:#0D0D1A;color:#F5F5F5;line-height:1.7;overflow-x:hidden}
a{color:#E84393;text-decoration:none;transition:color .3s}
a:hover{color:#FDCB6E}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}

/* Container */
.kleu8c-container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ============================================
   Header
   ============================================ */
.kleu8c-header{background:rgba(13,13,26,.95);backdrop-filter:blur(12px);position:sticky;top:0;z-index:1000;border-bottom:1px solid rgba(108,92,231,.2)}
.kleu8c-header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.kleu8c-logo img{height:50px;width:auto;object-fit:contain}
.kleu8c-nav-list{display:flex;gap:8px}
.kleu8c-nav-link{display:inline-block;padding:8px 16px;color:#B2BEC3;font-size:15px;border-radius:6px;transition:all .3s}
.kleu8c-nav-link:hover,.kleu8c-nav-link.active{color:#F5F5F5;background:rgba(232,67,147,.15)}
.kleu8c-nav-link.active{color:#E84393}

/* Mobile Menu */
.kleu8c-mobile-menu{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.kleu8c-mobile-menu span{display:block;width:24px;height:2px;background:#F5F5F5;border-radius:2px;transition:all .3s}

/* Search Bar */
.kleu8c-search-bar{padding:10px 0 12px}
.kleu8c-search-form{display:flex;max-width:600px;margin:0 auto;background:rgba(26,26,46,.8);border:1px solid rgba(108,92,231,.3);border-radius:25px;overflow:hidden}
.kleu8c-search-input{flex:1;padding:10px 20px;background:transparent;border:none;color:#F5F5F5;font-size:14px;outline:none}
.kleu8c-search-input::placeholder{color:#636e72}
.kleu8c-search-btn{padding:10px 20px;background:linear-gradient(135deg,#E84393,#6C5CE7);border:none;color:#fff;cursor:pointer;transition:opacity .3s}
.kleu8c-search-btn:hover{opacity:.85}
.kleu8c-search-hot{display:flex;align-items:center;gap:8px;justify-content:center;margin-top:8px;flex-wrap:wrap}
.kleu8c-hot-label{color:#636e72;font-size:12px}
.kleu8c-hot-tag{font-size:12px;color:#B2BEC3;padding:2px 10px;background:rgba(108,92,231,.15);border-radius:12px;transition:all .3s}
.kleu8c-hot-tag:hover{background:rgba(232,67,147,.25);color:#E84393}

/* ============================================
   Breadcrumb
   ============================================ */
.kleu8c-breadcrumb{padding:12px 0;background:rgba(26,26,46,.5)}
.kleu8c-breadcrumb ol{display:flex;gap:8px;font-size:13px}
.kleu8c-breadcrumb li{color:#636e72}
.kleu8c-breadcrumb li+li::before{content:"›";margin-right:8px;color:#636e72}
.kleu8c-breadcrumb a{color:#B2BEC3}
.kleu8c-breadcrumb a:hover{color:#E84393}

/* ============================================
   Hero Section
   ============================================ */
.kleu8c-hero{position:relative;overflow:hidden;min-height:520px}
.kleu8c-hero-slider{position:relative;height:520px}
.kleu8c-hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1s;background-size:cover;background-position:center;display:flex;align-items:center}
.kleu8c-hero-slide::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(13,13,26,.85),rgba(108,92,231,.3))}
.kleu8c-hero-slide.active{opacity:1}
.kleu8c-hero-content{position:relative;z-index:2;max-width:680px}
.kleu8c-hero-title{font-size:42px;font-weight:700;line-height:1.3;margin-bottom:16px;background:linear-gradient(135deg,#F5F5F5,#FDCB6E);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.kleu8c-hero-desc{font-size:16px;color:#dfe6e9;margin-bottom:24px;line-height:1.8}
.kleu8c-hero-btns{display:flex;gap:16px;margin-bottom:32px}
.kleu8c-hero-stats{display:flex;gap:40px}
.kleu8c-stat{text-align:center}
.kleu8c-stat-num{display:block;font-size:28px;font-weight:700;color:#FDCB6E}
.kleu8c-stat-label{font-size:13px;color:#B2BEC3}
.kleu8c-hero-dots{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:10}
.kleu8c-dot{width:12px;height:12px;border-radius:50%;border:2px solid rgba(255,255,255,.5);background:transparent;cursor:pointer;transition:all .3s}
.kleu8c-dot.active{background:#E84393;border-color:#E84393}

/* ============================================
   Buttons
   ============================================ */
.kleu8c-btn{display:inline-block;padding:12px 28px;border-radius:8px;font-size:15px;font-weight:500;cursor:pointer;transition:all .3s;text-align:center;border:none}
.kleu8c-btn-primary{background:linear-gradient(135deg,#E84393,#6C5CE7);color:#fff}
.kleu8c-btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(232,67,147,.3);color:#fff}
.kleu8c-btn-outline{border:1px solid rgba(232,67,147,.5);color:#E84393;background:transparent}
.kleu8c-btn-outline:hover{background:rgba(232,67,147,.1);color:#E84393}
.kleu8c-btn-sm{padding:6px 16px;font-size:13px;border-radius:6px}

/* ============================================
   Section Common
   ============================================ */
.kleu8c-section{padding:72px 0}
.kleu8c-section:nth-child(even){background:rgba(26,26,46,.3)}
.kleu8c-section-header{text-align:center;margin-bottom:48px}
.kleu8c-section-title{font-size:32px;font-weight:700;margin-bottom:12px;color:#F5F5F5}
.kleu8c-highlight{color:#E84393}
.kleu8c-section-desc{font-size:15px;color:#B2BEC3;max-width:720px;margin:0 auto;line-height:1.8}
.kleu8c-section-more{text-align:center;margin-top:40px}

/* ============================================
   Video Grid & Cards
   ============================================ */
.kleu8c-video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.kleu8c-video-grid-3{grid-template-columns:repeat(3,1fr)}
.kleu8c-video-card{background:#1A1A2E;border-radius:12px;overflow:hidden;transition:all .3s;border:1px solid rgba(108,92,231,.1)}
.kleu8c-video-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(232,67,147,.15);border-color:rgba(232,67,147,.3)}
.kleu8c-video-thumb{position:relative;overflow:hidden;aspect-ratio:16/9}
.kleu8c-video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.kleu8c-video-card:hover .kleu8c-video-thumb img{transform:scale(1.08)}
.kleu8c-play-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(13,13,26,.4);opacity:0;transition:opacity .3s}
.kleu8c-video-card:hover .kleu8c-play-overlay{opacity:1}
.kleu8c-play-btn{width:56px;height:56px;border-radius:50%;background:rgba(232,67,147,.85);display:flex;align-items:center;justify-content:center;transition:transform .3s}
.kleu8c-play-btn:hover{transform:scale(1.1)}
.kleu8c-video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.7);color:#fff;padding:2px 8px;border-radius:4px;font-size:12px}
.kleu8c-video-badge{position:absolute;top:8px;left:8px;background:linear-gradient(135deg,#E84393,#6C5CE7);color:#fff;padding:3px 10px;border-radius:4px;font-size:11px;font-weight:600}
.kleu8c-video-info{padding:16px}
.kleu8c-video-title{font-size:14px;font-weight:600;color:#F5F5F5;margin-bottom:8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.kleu8c-video-meta{display:flex;gap:12px;font-size:12px;color:#636e72;margin-bottom:8px}
.kleu8c-meta-item{color:#636e72}
.kleu8c-video-tags{display:flex;gap:6px;flex-wrap:wrap}
.kleu8c-tag{font-size:11px;padding:2px 8px;background:rgba(108,92,231,.15);color:#B2BEC3;border-radius:4px}

/* Live Badge */
.kleu8c-live-badge{position:absolute;top:8px;left:8px;background:#e74c3c;color:#fff;padding:3px 10px;border-radius:4px;font-size:11px;font-weight:600;animation:livePulse 1.5s infinite}
.kleu8c-live-viewers{position:absolute;bottom:8px;left:8px;background:rgba(0,0,0,.7);color:#fff;padding:2px 8px;border-radius:4px;font-size:12px}
@keyframes livePulse{0%,100%{opacity:1}50%{opacity:.6}}

/* ============================================
   Media Section
   ============================================ */
.kleu8c-media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.kleu8c-media-card{background:#1A1A2E;border-radius:12px;padding:32px 24px;text-align:center;transition:all .3s;border:1px solid rgba(108,92,231,.1)}
.kleu8c-media-card:hover{transform:translateY(-4px);border-color:rgba(232,67,147,.3);box-shadow:0 12px 32px rgba(232,67,147,.1)}
.kleu8c-media-icon{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,rgba(232,67,147,.2),rgba(108,92,231,.2));display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:#E84393}
.kleu8c-media-title{font-size:16px;font-weight:600;margin-bottom:8px;color:#F5F5F5}
.kleu8c-media-desc{font-size:13px;color:#B2BEC3;line-height:1.7}

/* ============================================
   Entertainment Section
   ============================================ */
.kleu8c-ent-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.kleu8c-ent-card{position:relative;border-radius:12px;overflow:hidden;aspect-ratio:16/9}
.kleu8c-ent-card.kleu8c-ent-large{grid-row:span 2;aspect-ratio:auto}
.kleu8c-ent-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.kleu8c-ent-card:hover img{transform:scale(1.05)}
.kleu8c-ent-overlay{position:absolute;bottom:0;left:0;right:0;padding:24px;background:linear-gradient(transparent,rgba(13,13,26,.9))}
.kleu8c-ent-overlay h3{font-size:18px;color:#F5F5F5;margin-bottom:6px}
.kleu8c-ent-overlay p{font-size:13px;color:#B2BEC3}
.kleu8c-ent-tag{display:inline-block;margin-top:8px;font-size:11px;padding:3px 10px;background:rgba(232,67,147,.3);color:#E84393;border-radius:4px}

/* ============================================
   AI Section
   ============================================ */
.kleu8c-ai-showcase{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.kleu8c-ai-image{border-radius:12px;overflow:hidden}
.kleu8c-ai-image img{width:100%;border-radius:12px}
.kleu8c-ai-features{display:flex;flex-direction:column;gap:24px}
.kleu8c-ai-item{display:flex;gap:16px;align-items:flex-start}
.kleu8c-ai-icon{width:48px;height:48px;min-width:48px;border-radius:10px;background:linear-gradient(135deg,rgba(232,67,147,.2),rgba(108,92,231,.2));display:flex;align-items:center;justify-content:center;color:#E84393}
.kleu8c-ai-text h4{font-size:15px;font-weight:600;color:#F5F5F5;margin-bottom:4px}
.kleu8c-ai-text p{font-size:13px;color:#B2BEC3;line-height:1.7}

/* ============================================
   Community Section
   ============================================ */
.kleu8c-comm-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.kleu8c-comm-card{background:#1A1A2E;border-radius:12px;padding:28px 20px;text-align:center;transition:all .3s;border:1px solid rgba(108,92,231,.1)}
.kleu8c-comm-card:hover{border-color:rgba(253,203,110,.3);transform:translateY(-4px)}
.kleu8c-comm-icon-wrap{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,rgba(253,203,110,.2),rgba(232,67,147,.2));display:flex;align-items:center;justify-content:center;margin:0 auto 12px;color:#FDCB6E}
.kleu8c-comm-card h4{font-size:15px;font-weight:600;color:#F5F5F5;margin-bottom:6px}
.kleu8c-comm-card p{font-size:13px;color:#B2BEC3;line-height:1.6}

/* ============================================
   Expert Section
   ============================================ */
.kleu8c-expert-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.kleu8c-expert-card{display:flex;gap:24px;background:#1A1A2E;border-radius:12px;padding:24px;border:1px solid rgba(108,92,231,.1);transition:all .3s}
.kleu8c-expert-card:hover{border-color:rgba(232,67,147,.3);box-shadow:0 8px 24px rgba(232,67,147,.1)}
.kleu8c-expert-avatar{width:120px;min-width:120px}
.kleu8c-expert-avatar img{width:120px;height:120px;border-radius:50%;object-fit:cover;border:3px solid rgba(232,67,147,.3)}
.kleu8c-expert-name{font-size:18px;font-weight:700;color:#F5F5F5;margin-bottom:4px}
.kleu8c-expert-role{font-size:13px;color:#E84393;margin-bottom:8px}
.kleu8c-expert-bio{font-size:13px;color:#B2BEC3;line-height:1.7;margin-bottom:10px}
.kleu8c-expert-tags{display:flex;gap:6px;margin-bottom:12px;flex-wrap:wrap}
.kleu8c-expert-tags span{font-size:11px;padding:2px 8px;background:rgba(108,92,231,.15);color:#B2BEC3;border-radius:4px}
.kleu8c-expert-actions{display:flex;gap:8px}

/* ============================================
   Partners Section
   ============================================ */
.kleu8c-partner-wall{text-align:center}
.kleu8c-partner-img{max-width:960px;margin:0 auto;border-radius:12px}

/* ============================================
   How-To Section
   ============================================ */
.kleu8c-howto-image{margin-bottom:40px;text-align:center}
.kleu8c-howto-image img{max-width:960px;margin:0 auto;border-radius:12px}
.kleu8c-howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.kleu8c-step{text-align:center;padding:24px 16px}
.kleu8c-step-num{font-size:36px;font-weight:800;background:linear-gradient(135deg,#E84393,#6C5CE7);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:12px}
.kleu8c-step h4{font-size:15px;font-weight:600;color:#F5F5F5;margin-bottom:8px}
.kleu8c-step p{font-size:13px;color:#B2BEC3;line-height:1.7}

/* ============================================
   Reviews Section
   ============================================ */
.kleu8c-review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.kleu8c-review-card{background:#1A1A2E;border-radius:12px;padding:24px;border:1px solid rgba(108,92,231,.1);transition:all .3s}
.kleu8c-review-card:hover{border-color:rgba(253,203,110,.3)}
.kleu8c-review-stars{color:#FDCB6E;font-size:16px;margin-bottom:12px;letter-spacing:2px}
.kleu8c-review-text{font-size:14px;color:#dfe6e9;line-height:1.8;margin-bottom:16px;font-style:italic}
.kleu8c-review-author{display:flex;justify-content:space-between;font-size:12px;color:#636e72}
.kleu8c-review-name{color:#E84393}

/* ============================================
   FAQ Section
   ============================================ */
.kleu8c-faq-list{max-width:800px;margin:0 auto}
.kleu8c-faq-item{border-bottom:1px solid rgba(108,92,231,.15);margin-bottom:4px}
.kleu8c-faq-question{display:flex;justify-content:space-between;align-items:center;width:100%;padding:18px 0;background:none;border:none;color:#F5F5F5;font-size:15px;font-weight:500;cursor:pointer;text-align:left}
.kleu8c-faq-question:hover{color:#E84393}
.kleu8c-faq-arrow{transition:transform .3s;color:#636e72;min-width:20px}
.kleu8c-faq-item.open .kleu8c-faq-arrow{transform:rotate(180deg);color:#E84393}
.kleu8c-faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease}
.kleu8c-faq-item.open .kleu8c-faq-answer{max-height:300px;padding-bottom:18px}
.kleu8c-faq-answer p{font-size:14px;color:#B2BEC3;line-height:1.8}

/* ============================================
   Contact Section
   ============================================ */
.kleu8c-contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.kleu8c-contact-info h3{font-size:20px;font-weight:700;color:#F5F5F5;margin-bottom:20px}
.kleu8c-contact-item{padding:10px 0;border-bottom:1px solid rgba(108,92,231,.1);font-size:14px}
.kleu8c-contact-item strong{color:#E84393;margin-right:8px}
.kleu8c-contact-item span{color:#B2BEC3}
.kleu8c-contact-qrcodes{display:flex;gap:32px;justify-content:center}
.kleu8c-qrcode-item{text-align:center}
.kleu8c-qrcode-item img{width:180px;height:180px;border-radius:12px;border:2px solid rgba(108,92,231,.2);margin-bottom:8px}
.kleu8c-qrcode-item p{font-size:13px;color:#B2BEC3}

/* ============================================
   Share Section
   ============================================ */
.kleu8c-share{padding:40px 0}
.kleu8c-share-inner{text-align:center}
.kleu8c-share-inner h3{font-size:20px;margin-bottom:20px;color:#F5F5F5}
.kleu8c-share-btns{display:flex;gap:16px;justify-content:center}
.kleu8c-share-btn{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:50%;transition:all .3s;font-size:13px;font-weight:600}
.kleu8c-share-wechat{background:rgba(7,193,96,.2);color:#07c160}
.kleu8c-share-weibo{background:rgba(230,73,45,.2);color:#e6492d}
.kleu8c-share-douyin{background:rgba(37,37,37,.4);color:#F5F5F5}
.kleu8c-share-bilibili{background:rgba(0,174,236,.2);color:#00aeec}
.kleu8c-share-btn:hover{transform:translateY(-4px) scale(1.1)}

/* ============================================
   Footer
   ============================================ */
.kleu8c-footer{background:#0a0a15;padding:48px 0 0;border-top:1px solid rgba(108,92,231,.15)}
.kleu8c-footer-top{display:grid;grid-template-columns:1fr 2fr;gap:48px;padding-bottom:32px;border-bottom:1px solid rgba(108,92,231,.1)}
.kleu8c-footer-brand img{height:44px;width:auto;margin-bottom:12px}
.kleu8c-footer-brand p{font-size:13px;color:#636e72;line-height:1.7;max-width:300px}
.kleu8c-footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.kleu8c-footer-col h4{font-size:14px;font-weight:600;color:#F5F5F5;margin-bottom:12px}
.kleu8c-footer-col li{margin-bottom:8px;font-size:13px;color:#636e72}
.kleu8c-footer-col a{color:#636e72}
.kleu8c-footer-col a:hover{color:#E84393}
.kleu8c-footer-bottom{padding:20px 0;text-align:center}
.kleu8c-footer-bottom p{font-size:12px;color:#636e72}

/* ============================================
   Inner Pages
   ============================================ */
.kleu8c-main{padding:40px 0 60px}
.kleu8c-page-header{margin-bottom:40px}
.kleu8c-page-title{font-size:36px;font-weight:700;margin-bottom:16px;background:linear-gradient(135deg,#F5F5F5,#FDCB6E);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.kleu8c-page-desc{font-size:15px;color:#B2BEC3;line-height:1.8;max-width:800px}
.kleu8c-page-text{margin-top:48px;padding-top:32px;border-top:1px solid rgba(108,92,231,.1)}
.kleu8c-page-text h2{font-size:22px;font-weight:600;color:#F5F5F5;margin-bottom:16px}
.kleu8c-page-text p{font-size:14px;color:#B2BEC3;line-height:1.8;margin-bottom:16px}

/* Filter Bar */
.kleu8c-filter-bar{margin-bottom:32px}
.kleu8c-filter-title{font-size:14px;color:#636e72;margin-bottom:12px}
.kleu8c-filter-tags{display:flex;gap:10px;flex-wrap:wrap}
.kleu8c-filter-tag{padding:6px 18px;border-radius:20px;font-size:13px;color:#B2BEC3;background:rgba(26,26,46,.8);border:1px solid rgba(108,92,231,.2);transition:all .3s}
.kleu8c-filter-tag:hover,.kleu8c-filter-tag.active{background:rgba(232,67,147,.15);border-color:rgba(232,67,147,.4);color:#E84393}

/* Resource Cards */
.kleu8c-resource-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.kleu8c-resource-card{background:#1A1A2E;border-radius:12px;padding:28px;border:1px solid rgba(108,92,231,.1);transition:all .3s}
.kleu8c-resource-card:hover{border-color:rgba(232,67,147,.3)}
.kleu8c-resource-icon{width:56px;height:56px;border-radius:12px;background:linear-gradient(135deg,rgba(232,67,147,.2),rgba(108,92,231,.2));display:flex;align-items:center;justify-content:center;color:#E84393;margin-bottom:16px}
.kleu8c-resource-card h3{font-size:17px;font-weight:600;color:#F5F5F5;margin-bottom:8px}
.kleu8c-resource-card>p{font-size:13px;color:#B2BEC3;line-height:1.7;margin-bottom:16px}
.kleu8c-resource-list{padding-left:0}
.kleu8c-resource-list li{padding:6px 0;font-size:13px;color:#B2BEC3;border-bottom:1px solid rgba(108,92,231,.08)}
.kleu8c-resource-list li::before{content:"›";color:#E84393;margin-right:8px}

/* About Page */
.kleu8c-about-section{margin-bottom:48px}
.kleu8c-about-content{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.kleu8c-about-text p{font-size:14px;color:#B2BEC3;line-height:1.8;margin-bottom:16px}
.kleu8c-about-image img{border-radius:12px}
.kleu8c-biz-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.kleu8c-biz-card{background:#1A1A2E;border-radius:12px;padding:28px;border:1px solid rgba(108,92,231,.1);transition:all .3s}
.kleu8c-biz-card:hover{border-color:rgba(232,67,147,.3)}
.kleu8c-biz-card h3{font-size:16px;font-weight:600;color:#F5F5F5;margin-bottom:8px}
.kleu8c-biz-card p{font-size:13px;color:#B2BEC3;line-height:1.7}

/* Nav Section */
.kleu8c-nav-section{margin-bottom:48px}
.kleu8c-discover-section{margin-bottom:48px}
.kleu8c-live-section{margin-bottom:48px}
.kleu8c-comm-section{margin-bottom:48px}

/* ============================================
   Lazy Loading Placeholder
   ============================================ */
.kleu8c-lazy{opacity:0;transition:opacity .5s}
.kleu8c-lazy.loaded{opacity:1}

/* ============================================
   Responsive Design
   ============================================ */
@media(max-width:1024px){
    .kleu8c-video-grid{grid-template-columns:repeat(3,1fr)}
    .kleu8c-expert-grid{grid-template-columns:1fr}
    .kleu8c-ai-showcase{grid-template-columns:1fr}
    .kleu8c-howto-steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
    .kleu8c-nav{display:none;position:absolute;top:64px;left:0;right:0;background:rgba(13,13,26,.98);padding:16px;border-bottom:1px solid rgba(108,92,231,.2)}
    .kleu8c-nav.open{display:block}
    .kleu8c-nav-list{flex-direction:column;gap:4px}
    .kleu8c-mobile-menu{display:flex}
    .kleu8c-hero-slide{min-height:auto}
    .kleu8c-hero-slider{height:auto;min-height:420px}
    .kleu8c-hero-title{font-size:28px}
    .kleu8c-hero-stats{gap:20px}
    .kleu8c-stat-num{font-size:22px}
    .kleu8c-hero-btns{flex-direction:column;gap:10px}
    .kleu8c-video-grid,.kleu8c-video-grid-3{grid-template-columns:repeat(2,1fr);gap:16px}
    .kleu8c-media-grid{grid-template-columns:repeat(2,1fr)}
    .kleu8c-ent-grid{grid-template-columns:1fr}
    .kleu8c-ent-card.kleu8c-ent-large{grid-row:auto}
    .kleu8c-comm-grid{grid-template-columns:repeat(2,1fr)}
    .kleu8c-review-grid{grid-template-columns:1fr}
    .kleu8c-contact-grid{grid-template-columns:1fr}
    .kleu8c-footer-top{grid-template-columns:1fr}
    .kleu8c-footer-links{grid-template-columns:repeat(3,1fr)}
    .kleu8c-section{padding:48px 0}
    .kleu8c-section-title{font-size:24px}
    .kleu8c-page-title{font-size:28px}
    .kleu8c-about-content{grid-template-columns:1fr}
    .kleu8c-resource-grid{grid-template-columns:1fr}
    .kleu8c-biz-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
    .kleu8c-video-grid,.kleu8c-video-grid-3{grid-template-columns:1fr}
    .kleu8c-media-grid{grid-template-columns:1fr}
    .kleu8c-comm-grid{grid-template-columns:1fr}
    .kleu8c-howto-steps{grid-template-columns:1fr}
    .kleu8c-footer-links{grid-template-columns:1fr}
    .kleu8c-contact-qrcodes{flex-direction:column;align-items:center}
    .kleu8c-hero-stats{flex-direction:column;gap:12px}
    .kleu8c-share-btns{flex-wrap:wrap}
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.kleu8c-animate{opacity:0;transform:translateY(30px);transition:all .6s ease}
.kleu8c-animate.visible{opacity:1;transform:translateY(0)}

/* Scrollbar */
::-webkit-scrollbar{width:8px}
::-webkit-scrollbar-track{background:#0D0D1A}
::-webkit-scrollbar-thumb{background:linear-gradient(#E84393,#6C5CE7);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:linear-gradient(#6C5CE7,#E84393)}

/* ============================================
   Tool Cards (萤火虫导航)
   ============================================ */
.kleu8c-tool-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.kleu8c-tool-card{background:#1A1A2E;border-radius:12px;padding:28px;border:1px solid rgba(108,92,231,.1);transition:all .3s;position:relative}
.kleu8c-tool-card:hover{border-color:rgba(232,67,147,.3);transform:translateY(-4px);box-shadow:0 12px 32px rgba(232,67,147,.1)}
.kleu8c-tool-icon{width:56px;height:56px;border-radius:12px;background:linear-gradient(135deg,rgba(232,67,147,.2),rgba(108,92,231,.2));display:flex;align-items:center;justify-content:center;color:#E84393;margin-bottom:16px}
.kleu8c-tool-card h3{font-size:17px;font-weight:600;color:#F5F5F5;margin-bottom:8px}
.kleu8c-tool-card p{font-size:13px;color:#B2BEC3;line-height:1.7}
.kleu8c-tool-badge{position:absolute;top:16px;right:16px;font-size:11px;padding:3px 10px;background:linear-gradient(135deg,#E84393,#6C5CE7);color:#fff;border-radius:4px;font-weight:600}

/* ============================================
   Live Grid (星空入口)
   ============================================ */
.kleu8c-live-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px}
.kleu8c-live-card{background:#1A1A2E;border-radius:12px;overflow:hidden;transition:all .3s;border:1px solid rgba(108,92,231,.1)}
.kleu8c-live-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(232,67,147,.15);border-color:rgba(232,67,147,.3)}
.kleu8c-live-featured{grid-column:span 1}

/* ============================================
   Community Features Grid
   ============================================ */
.kleu8c-community-features{margin-bottom:48px}
.kleu8c-community-features .kleu8c-comm-grid{grid-template-columns:repeat(4,1fr)}

/* ============================================
   Expert Cards (关于页面 - 简化版)
   ============================================ */
.kleu8c-about-section .kleu8c-expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.kleu8c-about-section .kleu8c-expert-card{display:flex;flex-direction:column;align-items:center;text-align:center;background:#1A1A2E;border-radius:12px;padding:24px;border:1px solid rgba(108,92,231,.1);transition:all .3s;gap:0}
.kleu8c-about-section .kleu8c-expert-card:hover{border-color:rgba(232,67,147,.3);box-shadow:0 8px 24px rgba(232,67,147,.1)}
.kleu8c-about-section .kleu8c-expert-card img.kleu8c-expert-avatar{width:100px;height:100px;border-radius:50%;object-fit:cover;border:3px solid rgba(232,67,147,.3);margin-bottom:12px}
.kleu8c-about-section .kleu8c-expert-card h4{font-size:16px;font-weight:600;color:#F5F5F5;margin-bottom:4px}
.kleu8c-about-section .kleu8c-expert-card .kleu8c-expert-title{font-size:13px;color:#E84393;margin-bottom:8px}
.kleu8c-about-section .kleu8c-expert-card p:last-child{font-size:12px;color:#B2BEC3;line-height:1.6}

/* ============================================
   Internal Links Grid (内链推荐)
   ============================================ */
.kleu8c-related-links{margin-top:48px;padding-top:32px;border-top:1px solid rgba(108,92,231,.1)}
.kleu8c-related-links h3{font-size:20px;font-weight:600;color:#F5F5F5;margin-bottom:20px}
.kleu8c-internal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.kleu8c-internal-card{display:block;background:#1A1A2E;border-radius:12px;padding:24px;border:1px solid rgba(108,92,231,.1);transition:all .3s;text-decoration:none}
.kleu8c-internal-card:hover{border-color:rgba(232,67,147,.3);transform:translateY(-4px);box-shadow:0 8px 24px rgba(232,67,147,.1)}
.kleu8c-internal-card h4{font-size:15px;font-weight:600;color:#F5F5F5;margin-bottom:6px}
.kleu8c-internal-card p{font-size:13px;color:#B2BEC3}

/* ============================================
   Video Author Line
   ============================================ */
.kleu8c-video-author{font-size:12px;color:#636e72;margin-bottom:8px}

/* ============================================
   H5 Video Element Styles
   ============================================ */
.kleu8c-video-thumb video.kleu8c-video-el{width:100%;height:100%;object-fit:cover;position:absolute;top:0;left:0}
.kleu8c-video-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:#0D0D1A}

/* ============================================
   Footer Links
   ============================================ */
.kleu8c-footer-bottom a{color:#636e72;margin:0 4px}
.kleu8c-footer-bottom a:hover{color:#E84393}

/* ============================================
   Additional Responsive
   ============================================ */
@media(max-width:1024px){
    .kleu8c-tool-grid{grid-template-columns:1fr}
    .kleu8c-live-grid{grid-template-columns:1fr 1fr}
    .kleu8c-community-features .kleu8c-comm-grid{grid-template-columns:repeat(2,1fr)}
    .kleu8c-about-section .kleu8c-expert-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
    .kleu8c-live-grid{grid-template-columns:1fr}
    .kleu8c-internal-grid{grid-template-columns:1fr}
    .kleu8c-community-features .kleu8c-comm-grid{grid-template-columns:1fr}
    .kleu8c-about-section .kleu8c-expert-grid{grid-template-columns:1fr}
}