/* ============================================
   尊龙凯时 - 原创样式表
   品牌色系：深海蓝紫 + 活力橙 + 科技青绿
   ============================================ */

/* CSS Reset & Base */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:#0d1117;color:#e8eaf6;line-height:1.7;overflow-x:hidden}
a{color:#00d4aa;text-decoration:none;transition:color .3s}
a:hover{color:#ff6b35}
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-title{text-align:center;margin-bottom:40px;position:relative}
.section-title h2{font-size:2rem;display:inline-block;position:relative;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,#00d4aa);border-radius:2px}
.section-title p{color:#9ca3af;margin-top:10px;font-size:.95rem}

/* Header / Navigation */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(13,17,23,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.06);transition:background .3s}
.q4memj{display:flex;align-items:center;justify-content:space-between;height:68px}
.bhka8gk9{display:flex;align-items:center;gap:10px}
.bhka8gk9 .86peilw0{height:36px;width:36px;border-radius:8px;object-fit:cover}
.bhka8gk9 .fno2kkb{height:38px;width:auto}
.bhka8gk9 span{font-size:1.2rem;font-weight:700;color:#fff;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{padding:8px 16px;border-radius:6px;font-size:.9rem;color:#c8ccd4;transition:all .3s;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(255,107,53,.12)}
.mobile-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.mobile-toggle span{width:24px;height:2px;background:#fff;border-radius:2px;transition:all .3s}

/* Search Bar */
.search-bar{background:rgba(22,27,46,.7);border-bottom:1px solid rgba(255,255,255,.05);padding:12px 0}
.search-bar .container{display:flex;justify-content:center}
.search-box{display:flex;max-width:560px;width:100%;border-radius:8px;overflow:hidden;border:1px solid rgba(0,212,170,.2)}
.search-box input{flex:1;padding:10px 18px;background:rgba(13,17,23,.8);border:none;color:#e8eaf6;font-size:.9rem;outline:none}
.search-box input::placeholder{color:#6b7280}
.search-box button{padding:10px 24px;background:linear-gradient(135deg,#ff6b35,#e55a2b);color:#fff;border:none;cursor:pointer;font-size:.9rem;transition:opacity .3s}
.search-box button:hover{opacity:.85}

/* Banner / Hero */
.gw1dp2{position:relative;min-height:520px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.rk18x{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0}
.rk18x::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,17,23,.55) 0%,rgba(13,17,23,.85) 100%)}
.u20dkw{position:relative;z-index:2;text-align:center;padding:60px 20px;max-width:800px}
.u20dkw h1{font-size:2.6rem;margin-bottom:16px;text-shadow:0 2px 20px rgba(0,0,0,.5)}
.u20dkw h1 .brand{color:#ff6b35}
.u20dkw p{font-size:1.1rem;color:#c8ccd4;margin-bottom:28px;line-height:1.8}
.ys897e1a{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.6nzqd{display:inline-block;padding:12px 32px;background:linear-gradient(135deg,#ff6b35,#e55a2b);color:#fff;border-radius:8px;font-weight:600;font-size:.95rem;transition:transform .3s,box-shadow .3s;border:none;cursor:pointer}
.6nzqd:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,107,53,.3);color:#fff}
.zlw9sy0{display:inline-block;padding:12px 32px;border:1px solid #00d4aa;color:#00d4aa;border-radius:8px;font-weight:600;font-size:.95rem;transition:all .3s;cursor:pointer;background:transparent}
.zlw9sy0:hover{background:rgba(0,212,170,.1);transform:translateY(-2px);color:#00d4aa}

/* Trust Bar (EEAT) */
.uazjcw5{background:linear-gradient(135deg,rgba(255,107,53,.08),rgba(0,212,170,.08));border-bottom:1px solid rgba(255,255,255,.04);padding:24px 0}
.8cb3f{display:flex;justify-content:space-around;flex-wrap:wrap;gap:16px}
.3gjqd{text-align:center;min-width:120px}
.rcrgx{display:block;font-size:1.5rem;font-weight:800;color:#ff6b35;line-height:1.2}
.pu5fwj7u{font-size:.78rem;color:#9ca3af;margin-top:4px;display:block}

/* Section Spacing */
.section{padding:70px 0}
.section-alt{background:rgba(22,27,46,.4)}

/* Video Card Grid */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.video-card{background:#161b2e;border-radius:12px;overflow:hidden;transition:transform .3s,box-shadow .3s;cursor:pointer;position:relative}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 36px rgba(0,0,0,.4)}
.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)}
.play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;background:rgba(0,0,0,.35)}
.video-card:hover .play-btn{opacity:1}
.play-btn svg{width:56px;height:56px;fill:#fff;filter:drop-shadow(0 2px 8px rgba(0,0,0,.4))}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:.75rem}
.video-info{padding:16px}
.video-info h3{font-size:1rem;margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}
.video-info .video-author{font-size:.78rem;color:#6b7280;margin-bottom:6px}
.video-meta{display:flex;gap:14px;color:#9ca3af;font-size:.8rem}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tag{display:inline-block;padding:2px 10px;border-radius:12px;font-size:.72rem;margin-top:8px;background:rgba(0,212,170,.12);color:#00d4aa}

/* Category Tabs */
.tab-nav{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:32px}
.tab-nav a{padding:8px 20px;border-radius:20px;font-size:.88rem;color:#9ca3af;border:1px solid rgba(255,255,255,.08);transition:all .3s}
.tab-nav a:hover,.tab-nav a.active{color:#fff;background:rgba(255,107,53,.15);border-color:#ff6b35}

/* AI Feature Cards */
.bthky69{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.7pz89tr2{background:linear-gradient(145deg,#161b2e,#1a2040);border-radius:12px;padding:32px 24px;text-align:center;border:1px solid rgba(255,255,255,.05);transition:all .3s}
.7pz89tr2:hover{border-color:rgba(0,212,170,.3);transform:translateY(-4px)}
.gs37zsg{width:64px;height:64px;margin:0 auto 20px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.8rem}
.gs37zsg.76e5swu9{background:rgba(255,107,53,.15);color:#ff6b35}
.gs37zsg.2w75g{background:rgba(0,212,170,.15);color:#00d4aa}
.gs37zsg.c89kn{background:rgba(139,92,246,.15);color:#8b5cf6}
.7pz89tr2 h3{font-size:1.1rem;margin-bottom:10px}
.7pz89tr2 p{color:#9ca3af;font-size:.88rem;line-height:1.6}

/* Community Section */
.p5mp8hd{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}
.zx857i{background:#161b2e;border-radius:12px;overflow:hidden;transition:all .3s;border:1px solid rgba(255,255,255,.04)}
.zx857i:hover{border-color:rgba(255,107,53,.2);transform:translateY(-4px)}
.zx857i .t6cm1{height:160px;overflow:hidden}
.zx857i .t6cm1 img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.zx857i:hover .t6cm1 img{transform:scale(1.08)}
.zx857i .ifuefk{padding:16px}
.zx857i .ifuefk h3{font-size:1rem;margin-bottom:6px}
.zx857i .ifuefk p{font-size:.85rem;color:#9ca3af;line-height:1.5}

/* Expert Section */
.8pt9wk{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.i2ty14{background:#161b2e;border-radius:12px;padding:28px 20px;text-align:center;border:1px solid rgba(255,255,255,.04);transition:all .3s}
.i2ty14:hover{border-color:rgba(0,212,170,.2);transform:translateY(-4px)}
.dmmx5k{width:100px;height:100px;border-radius:50%;margin:0 auto 16px;overflow:hidden;border:3px solid rgba(0,212,170,.3)}
.dmmx5k img{width:100%;height:100%;object-fit:cover}
.i2ty14 h3{font-size:1.05rem;margin-bottom:4px}
.i2ty14 .68uw97e{color:#ff6b35;font-size:.85rem;margin-bottom:6px}
.i2ty14 .t5g7u{font-size:.75rem;color:#00d4aa;margin-bottom:10px;padding:4px 12px;background:rgba(0,212,170,.08);border-radius:6px;display:inline-block}
.i2ty14 p{color:#9ca3af;font-size:.83rem;line-height:1.5;margin-bottom:14px}
.bocws1ot{display:flex;gap:10px;justify-content:center}
.bocws1ot a{padding:6px 16px;border-radius:6px;font-size:.8rem;border:1px solid rgba(0,212,170,.3);color:#00d4aa;transition:all .3s}
.bocws1ot a:hover{background:rgba(0,212,170,.1)}

/* Partner Section */
.qrc1xoop{display:flex;flex-wrap:wrap;justify-content:center;gap:16px}
.6t19j{background:#161b2e;border:1px solid rgba(255,255,255,.06);border-radius:10px;padding:14px 28px;font-size:.9rem;color:#c8ccd4;transition:all .3s;font-weight:600}
.6t19j:hover{border-color:rgba(255,107,53,.3);color:#fff;transform:translateY(-2px)}

/* Reviews */
.6dqgqg{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.esd04y7p{background:#161b2e;border-radius:12px;padding:24px;border:1px solid rgba(255,255,255,.04)}
.esd04y7p .b9qry{color:#ff6b35;margin-bottom:10px;font-size:1rem;letter-spacing:2px}
.esd04y7p blockquote{font-size:.9rem;color:#c8ccd4;line-height:1.7;margin-bottom:14px;font-style:italic}
.esd04y7p .f5bc3{display:flex;align-items:center;gap:10px}
.f5bc3-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#ff6b35,#00d4aa);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.85rem}
.f5bc3-info .ayqix1u6{font-size:.88rem;font-weight:600}
.f5bc3-info .s20yd{font-size:.75rem;color:#6b7280}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid rgba(255,255,255,.06);border-radius:10px;margin-bottom:12px;overflow:hidden;background:#161b2e}
.faq-question{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:.95rem;transition:background .3s}
.faq-question:hover{background:rgba(255,107,53,.06)}
.faq-question .ivfrvsx9{transition:transform .3s;color:#ff6b35;font-size:1.2rem}
.faq-item.open .faq-question .ivfrvsx9{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 24px}
.faq-item.open .faq-answer{max-height:300px;padding:0 24px 18px}
.faq-answer p{color:#9ca3af;font-size:.9rem;line-height:1.7}

/* Contact Section */
.bfry03h{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:30px}
.0nksxmb{background:#161b2e;border-radius:12px;padding:28px;border:1px solid rgba(255,255,255,.04)}
.0nksxmb h3{font-size:1.1rem;margin-bottom:16px;color:#ff6b35}
.fjexlkrd{display:flex;gap:12px;margin-bottom:12px;align-items:flex-start}
.fjexlkrd .ar449w{width:36px;height:36px;border-radius:8px;background:rgba(0,212,170,.1);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:#00d4aa;font-size:.9rem}
.fjexlkrd .7jsjg1{font-size:.88rem;color:#c8ccd4;line-height:1.5}
.fjexlkrd .7jsjg1 strong{color:#fff;display:block;margin-bottom:2px}

/* How-To Guide */
.zgykhs{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px;margin-top:30px}
.zgykh{text-align:center;padding:24px 16px}
.9cfsj7{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#ff6b35,#e55a2b);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:700;margin:0 auto 14px}
.zgykh h4{font-size:.95rem;margin-bottom:8px}
.zgykh p{font-size:.83rem;color:#9ca3af;line-height:1.5}

/* Share Buttons */
.nkhuglsu{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;padding:20px 0}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:8px;font-size:.85rem;color:#fff;transition:all .3s;cursor:pointer;border:none}
.share-btn:hover{transform:translateY(-2px);color:#fff}
.share-btn.mb5eyq6b{background:#07c160}
.share-btn.ejfsj7{background:#e6162d}
.share-btn.4l6h5dxt{background:#161823}
.share-btn.ly1eg{background:#00a1d6}

/* Footer */
.site-footer{background:#0a0e18;border-top:1px solid rgba(255,255,255,.06);padding:50px 0 0}
.m7sb7m{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:30px;margin-bottom:40px}
.hckj74 h4{font-size:1rem;margin-bottom:16px;color:#fff;position:relative;padding-bottom:10px}
.hckj74 h4::after{content:"";position:absolute;bottom:0;left:0;width:30px;height:2px;background:#ff6b35}
.hckj74 p{font-size:.85rem;color:#9ca3af;line-height:1.6;margin-bottom:8px}
.hckj74 a{display:block;font-size:.85rem;color:#9ca3af;padding:4px 0;transition:color .3s}
.hckj74 a:hover{color:#00d4aa}
.up2rvg8r{display:flex;gap:16px;margin-top:12px}
.up2rvg8r img{width:100px;height:100px;border-radius:8px;border:1px solid rgba(255,255,255,.08)}
.ydxuir{border-top:1px solid rgba(255,255,255,.06);padding:20px 0;text-align:center}
.ydxuir p{font-size:.82rem;color:#6b7280}
.ydxuir .bmb4n{color:#6b7280;margin-top:4px;font-size:.78rem}
.ydxuir .0463e1w0{margin-top:8px}
.ydxuir .0463e1w0 a{display:inline;font-size:.78rem;color:#6b7280;margin:0 4px}
.ydxuir .0463e1w0 a:hover{color:#00d4aa}
.ydxuir .d2wjca{color:#9ca3af;margin-top:4px}

/* Breadcrumb */
.breadcrumb{padding:12px 0;font-size:.85rem;color:#6b7280}
.breadcrumb a{color:#9ca3af}
.breadcrumb a:hover{color:#00d4aa}
.breadcrumb span{margin:0 6px}

/* Inner Page Hero */
.750lj8g{background:linear-gradient(135deg,#1a1f3d,#0d1117);padding:80px 0 40px;margin-top:68px;text-align:center;border-bottom:1px solid rgba(255,255,255,.04)}
.750lj8g h1{font-size:2rem;margin-bottom:10px}
.750lj8g p{color:#9ca3af;font-size:.95rem}

/* Video Overlay Player */
.video-overlay{position:fixed;inset:0;z-index:2000;background:rgba(0,0,0,.85);display:none;align-items:center;justify-content:center;backdrop-filter:blur(6px)}
.video-overlay.active{display:flex}
.video-player-mock{background:#161b2e;border-radius:16px;max-width:720px;width:90%;overflow:hidden;position:relative;box-shadow:0 20px 60px rgba(0,0,0,.6)}
.player-close{position:absolute;top:12px;right:16px;font-size:1.4rem;color:#fff;cursor:pointer;z-index:10;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(0,0,0,.5);transition:background .3s}
.player-close:hover{background:rgba(255,107,53,.6)}
.player-screen{position:relative;background:#000;aspect-ratio:16/9}
.player-screen img{width:100%;height:100%;object-fit:cover}
.player-controls{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,rgba(0,0,0,.8));padding:16px}
.player-play-big{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);cursor:pointer}
.player-play-big svg{width:72px;height:72px;fill:#fff;opacity:.9;filter:drop-shadow(0 2px 12px rgba(0,0,0,.5));transition:opacity .3s}
.player-play-big:hover svg{opacity:1}
.player-bar{display:flex;align-items:center;gap:8px}
.player-time{font-size:.75rem;color:#fff}
.player-progress{flex:1;height:4px;background:rgba(255,255,255,.2);border-radius:2px;overflow:hidden}
.player-progress-fill{width:0;height:100%;background:linear-gradient(90deg,#ff6b35,#00d4aa);border-radius:2px;transition:width .1s}
.player-title{padding:16px 20px 4px;font-size:1rem;font-weight:600;color:#fff}
.player-notice{padding:4px 20px 16px;font-size:.82rem;color:#9ca3af}

/* Inner Page Content */
.kbc1pm97{padding:40px 0}
.kbc1pm97 .b210la3o{margin-bottom:40px}
.kbc1pm97 .b210la3o h2{font-size:1.4rem;margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid rgba(255,107,53,.2)}
.kbc1pm97 .b210la3o p{color:#c8ccd4;font-size:.92rem;line-height:1.8;margin-bottom:12px}

/* Policy Page */
.vcfdte2y{max-width:800px;margin:0 auto;padding:40px 20px}
.vcfdte2y h2{font-size:1.3rem;margin:32px 0 12px;color:#ff6b35}
.vcfdte2y h3{font-size:1.1rem;margin:20px 0 8px}
.vcfdte2y p{color:#c8ccd4;font-size:.9rem;line-height:1.8;margin-bottom:12px}
.vcfdte2y ul{margin:8px 0 16px 20px}
.vcfdte2y ul li{color:#9ca3af;font-size:.88rem;line-height:1.7;list-style:disc;margin-bottom:4px}

/* 404 Page */
.fwb7wd7{text-align:center;padding:120px 20px 80px;margin-top:68px}
.fwb7wd7 h1{font-size:6rem;color:#ff6b35;margin-bottom:16px}
.fwb7wd7 h2{font-size:1.5rem;margin-bottom:12px}
.fwb7wd7 p{color:#9ca3af;margin-bottom:32px}

/* Responsive */
@media(max-width:768px){
  .q4memj{padding:0 16px}
  .main-nav{position:fixed;top:68px;left:0;width:100%;background:rgba(13,17,23,.98);flex-direction:column;padding:20px;gap:4px;transform:translateY(-120%);transition:transform .3s;z-index:999}
  .main-nav.open{transform:translateY(0)}
  .main-nav a{padding:12px 16px;width:100%;text-align:left;border-radius:8px}
  .mobile-toggle{display:flex}
  .u20dkw h1{font-size:1.8rem}
  .u20dkw p{font-size:.95rem}
  .section-title h2{font-size:1.6rem}
  .video-grid{grid-template-columns:1fr}
  .bthky69{grid-template-columns:1fr}
  .8pt9wk{grid-template-columns:1fr}
  .6dqgqg{grid-template-columns:1fr}
  .bfry03h{grid-template-columns:1fr}
  .p5mp8hd{grid-template-columns:1fr 1fr}
  .m7sb7m{grid-template-columns:1fr 1fr}
  .gw1dp2{min-height:400px}
  .section{padding:50px 0}
  .8cb3f{gap:10px}
  .rcrgx{font-size:1.2rem}
  .qrc1xoop{gap:10px}
  .6t19j{padding:10px 18px;font-size:.82rem}
}
@media(max-width:480px){
  .m7sb7m{grid-template-columns:1fr}
  .p5mp8hd{grid-template-columns:1fr}
  .u20dkw h1{font-size:1.5rem}
  .ys897e1a{flex-direction:column;align-items:center}
  .tab-nav{gap:4px}
  .tab-nav a{padding:6px 14px;font-size:.82rem}
  .8cb3f{flex-direction:column;align-items:center}
}

/* Lazy Load Placeholder */
.lazy{opacity:0;transition:opacity .5s}
.lazy.loaded{opacity:1}

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

/* MCP Frontend Placeholder */
.144ab{background:#161b2e;border-radius:12px;padding:20px;border:1px solid rgba(0,212,170,.15);margin-top:20px}
.144ab h4{color:#00d4aa;margin-bottom:10px;font-size:.95rem}
.144ab .haa8u{display:flex;align-items:center;gap:8px;font-size:.85rem;color:#9ca3af}
.haa8u .iz21sxlp{width:8px;height:8px;border-radius:50%;background:#00d4aa;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}