:root{
  --bg:#05050a;
  --panel:#10101a;
  --panel-2:#151321;
  --text:#f7f4ec;
  --muted:#bcb5ca;
  --gold:#f6c957;
  --purple:#a56bff;
  --pink:#ff5fcf;
  --cyan:#65e7ff;
  --line:rgba(255,255,255,.12);
  --shadow:0 24px 80px rgba(143,72,255,.22);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",Arial,sans-serif;background:radial-gradient(circle at 20% 0%,rgba(165,107,255,.2),transparent 34%),radial-gradient(circle at 82% 12%,rgba(246,201,87,.18),transparent 30%),var(--bg);color:var(--text);line-height:1.72;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.skip-link{position:absolute;left:-9999px;top:auto;background:#fff;color:#000;padding:8px 12px;z-index:999}
.skip-link:focus{left:12px;top:12px}
.site-bg:before,.site-bg:after{content:"";position:fixed;inset:auto;z-index:-1;pointer-events:none;border-radius:999px;filter:blur(16px);opacity:.5}
.site-bg:before{width:42vw;height:42vw;background:radial-gradient(circle,rgba(255,95,207,.2),transparent 62%);right:-15vw;top:28vh}
.site-bg:after{width:38vw;height:38vw;background:radial-gradient(circle,rgba(101,231,255,.16),transparent 62%);left:-12vw;bottom:5vh}
.container{width:min(1160px,calc(100% - 36px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(5,5,10,.82);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:76px}
.logo{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:.05em}
.logo-mark{width:44px;height:44px;border-radius:16px;background:linear-gradient(135deg,var(--gold),var(--purple) 62%,var(--pink));display:grid;place-items:center;color:#07070c;box-shadow:0 0 35px rgba(246,201,87,.4)}
.logo-text small{display:block;font-size:12px;color:var(--muted);font-weight:500;letter-spacing:0}
.nav-toggle{display:none;background:rgba(255,255,255,.08);color:#fff;border:1px solid var(--line);border-radius:12px;padding:9px 12px}
.main-nav{display:flex;gap:4px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.main-nav a{font-size:14px;color:#eee;padding:10px 12px;border-radius:999px;border:1px solid transparent;transition:.25s ease}
.main-nav a:hover,.main-nav a.active{border-color:rgba(246,201,87,.42);background:linear-gradient(135deg,rgba(246,201,87,.1),rgba(165,107,255,.14));color:#fff;box-shadow:0 0 25px rgba(165,107,255,.18)}
.search-bar{padding:18px 0;border-bottom:1px solid rgba(255,255,255,.06);background:rgba(8,8,14,.55)}
.fake-search{display:flex;gap:10px;align-items:center;background:linear-gradient(135deg,rgba(255,255,255,.08),rgba(255,255,255,.03));border:1px solid rgba(246,201,87,.2);border-radius:18px;padding:10px;box-shadow:inset 0 0 30px rgba(165,107,255,.08)}
.fake-search input{flex:1;background:transparent;border:0;color:#fff;outline:0;font-size:15px;padding:10px}
.fake-search button,.btn{border:0;border-radius:999px;padding:12px 18px;background:linear-gradient(135deg,var(--gold),var(--purple));color:#07070c;font-weight:800;cursor:pointer;box-shadow:0 10px 28px rgba(165,107,255,.28);transition:.25s ease}
.fake-search button:hover,.btn:hover{transform:translateY(-2px);box-shadow:0 15px 40px rgba(246,201,87,.24)}
.search-tip{margin:8px 0 0;color:var(--muted);font-size:13px;min-height:20px}
.hero{padding:72px 0 64px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}
.kicker{display:inline-flex;gap:8px;align-items:center;color:var(--gold);background:rgba(246,201,87,.1);border:1px solid rgba(246,201,87,.25);border-radius:999px;padding:8px 12px;font-size:13px;font-weight:800}
h1,h2,h3,h4,h5,h6{line-height:1.18;margin:0 0 14px;color:#fff}h1{font-size:clamp(38px,7vw,78px);letter-spacing:-.05em}h2{font-size:clamp(28px,4vw,46px);letter-spacing:-.03em}h3{font-size:22px}.gradient-text{background:linear-gradient(135deg,#fff,var(--gold),var(--purple),var(--pink));-webkit-background-clip:text;background-clip:text;color:transparent}.lead{font-size:18px;color:#ded8e8;max-width:760px}.domain-pill{display:inline-flex;margin-top:18px;padding:10px 14px;border:1px solid rgba(101,231,255,.25);border-radius:999px;background:rgba(101,231,255,.07);color:#d9fbff;font-size:14px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}.btn.secondary{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#fff}.hero-media{position:relative}.hero-card{position:relative;border:1px solid rgba(255,255,255,.14);background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.02));padding:12px;border-radius:30px;box-shadow:var(--shadow);overflow:hidden}.hero-card:before{content:"";position:absolute;inset:-2px;background:linear-gradient(135deg,rgba(246,201,87,.4),transparent,rgba(165,107,255,.45));z-index:0;filter:blur(18px);opacity:.7}.hero-card img,.hero-card .video-demo{position:relative;z-index:1;border-radius:22px;min-height:320px;object-fit:cover}.floating-stats{position:absolute;right:20px;bottom:20px;z-index:2;display:grid;gap:8px}.floating-stats span{background:rgba(5,5,10,.76);border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:8px 12px;color:#fff;font-size:13px;backdrop-filter:blur(12px)}.section{padding:64px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:26px}.section-head p{margin:0;color:var(--muted);max-width:660px}.grid{display:grid;gap:20px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}.card{border:1px solid rgba(255,255,255,.12);background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.025));border-radius:24px;padding:20px;box-shadow:0 16px 60px rgba(0,0,0,.25)}.video-card{position:relative;overflow:hidden;border-radius:26px;border:1px solid rgba(255,255,255,.13);background:var(--panel);box-shadow:0 14px 55px rgba(0,0,0,.24);transition:.3s ease}.video-card:hover{transform:translateY(-6px);border-color:rgba(246,201,87,.5);box-shadow:0 22px 80px rgba(165,107,255,.24)}.video-thumb{position:relative;aspect-ratio:16/9;background:#111;overflow:hidden}.video-thumb img,.video-thumb video{width:100%;height:100%;object-fit:cover}.video-thumb:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(5,5,10,.72));opacity:.78}.play-button{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.8);width:66px;height:66px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--purple));display:grid;place-items:center;opacity:0;transition:.25s ease;z-index:2;box-shadow:0 0 45px rgba(246,201,87,.48)}.play-button:before{content:"";width:0;height:0;border-top:12px solid transparent;border-bottom:12px solid transparent;border-left:18px solid #07070c;margin-left:5px}.video-card:hover .play-button{opacity:1;transform:translate(-50%,-50%) scale(1)}.video-body{padding:18px}.video-body p{color:var(--muted);margin:0 0 12px}.tags{display:flex;gap:8px;flex-wrap:wrap}.tag{font-size:12px;color:#ffe8a4;border:1px solid rgba(246,201,87,.24);border-radius:999px;padding:4px 9px;background:rgba(246,201,87,.08)}.metrics{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px;color:#d9d2e7;font-size:13px}.metric{padding:6px 9px;border-radius:999px;background:rgba(255,255,255,.07)}.topic-list{display:grid;gap:12px}.topic{display:flex;justify-content:space-between;gap:15px;padding:14px 16px;border:1px solid rgba(255,255,255,.12);border-radius:18px;background:rgba(255,255,255,.045)}.topic strong{color:#fff}.topic span{color:var(--muted);font-size:13px}.danmaku{min-height:240px;position:relative;overflow:hidden;border-radius:24px;background:radial-gradient(circle at 20% 20%,rgba(246,201,87,.16),transparent 32%),rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.11)}.bullet{position:absolute;white-space:nowrap;border:1px solid rgba(255,255,255,.13);background:rgba(5,5,10,.6);border-radius:999px;padding:7px 12px;color:#fff;animation:floatText 16s linear infinite}.bullet:nth-child(1){top:22%;left:8%;animation-delay:-2s}.bullet:nth-child(2){top:48%;left:30%;animation-delay:-8s}.bullet:nth-child(3){top:68%;left:12%;animation-delay:-12s}.bullet:nth-child(4){top:35%;left:56%;animation-delay:-5s}@keyframes floatText{0%{transform:translateX(42vw)}100%{transform:translateX(-64vw)}}.feature-list{display:grid;gap:12px}.feature{display:flex;gap:12px}.feature i{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--gold),var(--purple));flex:0 0 auto}.expert{display:flex;gap:16px;align-items:center}.expert img{width:78px;height:78px;border-radius:22px;object-fit:cover;border:1px solid rgba(255,255,255,.15)}.review{position:relative}.review:before{content:"“";position:absolute;right:18px;top:8px;font-size:58px;color:rgba(246,201,87,.18);font-family:Georgia,serif}.review p{color:#e4deee}.logo-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.partner{border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:18px;text-align:center;color:#fff;background:linear-gradient(135deg,rgba(255,255,255,.07),rgba(255,255,255,.025));font-weight:800}.faq{display:grid;gap:12px}.faq details{border:1px solid rgba(255,255,255,.12);border-radius:18px;background:rgba(255,255,255,.045);padding:16px}.faq summary{cursor:pointer;font-weight:800;color:#fff}.faq p{margin:12px 0 0;color:var(--muted)}.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.qr-row{display:flex;gap:14px;flex-wrap:wrap}.qr-card{width:150px}.qr-card img{border-radius:18px;border:1px solid rgba(255,255,255,.14);background:#fff}.site-footer{padding:42px 0;border-top:1px solid var(--line);background:rgba(5,5,10,.8)}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px;align-items:center}.footer-links{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end;color:var(--muted);font-size:14px}.breadcrumb{color:var(--muted);font-size:14px;margin:24px 0}.breadcrumb a{color:#ffe5a1}.page-hero{padding:54px 0 34px}.mini-hero{border-radius:30px;padding:36px;background:radial-gradient(circle at 82% 20%,rgba(165,107,255,.24),transparent 34%),linear-gradient(135deg,rgba(255,255,255,.08),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.12)}.article-body{color:#ddd}.notice{border:1px dashed rgba(246,201,87,.32);background:rgba(246,201,87,.08);padding:14px 16px;border-radius:18px;color:#ffe8af}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media (max-width: 920px){.nav-toggle{display:block}.main-nav{display:none;position:absolute;top:76px;left:18px;right:18px;background:rgba(8,8,14,.96);border:1px solid var(--line);padding:14px;border-radius:18px;box-shadow:var(--shadow)}.main-nav.open{display:grid}.hero-grid,.grid-3,.grid-4,.grid-2,.contact-grid,.footer-grid{grid-template-columns:1fr}.section-head{display:block}.logo-wall{grid-template-columns:repeat(2,1fr)}.footer-links{justify-content:flex-start}.hero{padding-top:44px}.fake-search{align-items:stretch}.fake-search button{padding-left:14px;padding-right:14px}}
@media (max-width:560px){.container{width:min(100% - 24px,1160px)}.fake-search{flex-direction:column}.hero-actions{display:grid}.btn{text-align:center}.grid{gap:14px}.card{padding:16px}.qr-card{width:132px}.logo-wall{grid-template-columns:1fr}.header-inner{min-height:68px}.main-nav{top:68px}.floating-stats{position:static;margin-top:10px}.hero-card img,.hero-card .video-demo{min-height:220px}}