:root{
    --bg:#05050b;
    --panel:#0b0b17;
    --panel-2:#121225;
    --text:#f7f4ff;
    --muted:#b9b0d6;
    --gold:#ffd67f;
    --purple:#b853ff;
    --cyan:#69e6ff;
    --line:rgba(255,255,255,.12);
    --shadow:0 24px 80px rgba(0,0,0,.45);
    --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg);color:var(--text)}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;background:radial-gradient(circle at 15% 0%,rgba(184,83,255,.22),transparent 32%),radial-gradient(circle at 85% 8%,rgba(255,214,127,.18),transparent 30%),linear-gradient(180deg,#05050b 0%,#090914 50%,#05050b 100%);line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
button,input{font:inherit}
.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}
.site-header{position:sticky;top:0;z-index:50;background:rgba(5,5,11,.78);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav-shell{max-width:1220px;margin:auto;display:flex;align-items:center;gap:24px;padding:14px 22px}
.brand-logo{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:.06em;color:var(--gold)}
.brand-logo img{width:84px;height:auto;filter:drop-shadow(0 0 18px rgba(255,214,127,.32))}
.main-nav{display:flex;align-items:center;gap:8px;margin-left:auto}
.main-nav a,.mobile-nav a{padding:10px 13px;border:1px solid transparent;border-radius:999px;color:#ddd6ff;font-size:14px;white-space:nowrap;transition:.25s ease}
.main-nav a:hover,.main-nav a.is-active,.mobile-nav a:hover{border-color:rgba(255,214,127,.42);background:rgba(255,214,127,.08);color:var(--gold);box-shadow:0 0 24px rgba(184,83,255,.18)}
.nav-toggle{display:none;margin-left:auto;border:1px solid var(--line);background:rgba(255,255,255,.06);color:var(--text);border-radius:999px;padding:9px 14px}
.mobile-nav{display:none;border-top:1px solid var(--line);padding:10px 22px;gap:8px;flex-wrap:wrap}
.search-strip{max-width:1220px;margin:0 auto;padding:0 22px 16px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;align-items:center}
.fake-search{display:flex;position:relative;border:1px solid rgba(255,214,127,.24);background:linear-gradient(135deg,rgba(255,255,255,.08),rgba(255,255,255,.03));border-radius:999px;box-shadow:inset 0 0 20px rgba(184,83,255,.12)}
.fake-search input{width:100%;border:0;outline:0;background:transparent;color:var(--text);padding:14px 18px}
.fake-search button{border:0;border-radius:999px;margin:5px;padding:9px 18px;background:linear-gradient(135deg,var(--gold),var(--purple));color:#111;font-weight:800;cursor:pointer}
.search-note{margin:0;color:var(--muted);font-size:13px}.search-note strong{color:var(--gold)}
.hero{position:relative;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:46px 46px;mask-image:linear-gradient(180deg,#000 0%,transparent 85%)}
.hero-inner{position:relative;max-width:1220px;margin:0 auto;padding:88px 22px 66px;display:grid;grid-template-columns:minmax(0,1.02fr) minmax(320px,.98fr);gap:46px;align-items:center}
.eyebrow{margin:0 0 12px;color:var(--gold);letter-spacing:.16em;text-transform:uppercase;font-size:12px;font-weight:800}
h1,h2,h3,h4,h5,h6{line-height:1.18;margin:0;color:#fff}h1{font-size:clamp(44px,7vw,92px);letter-spacing:-.06em}h2{font-size:clamp(28px,4vw,52px);letter-spacing:-.04em}h3{font-size:22px}.gradient-text{background:linear-gradient(120deg,#fff,var(--gold),var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{font-size:18px;color:var(--muted);max-width:680px}.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 20px;border-radius:999px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);transition:.25s ease;font-weight:800}.btn-primary{background:linear-gradient(135deg,var(--gold),var(--purple));color:#100b16}.btn:hover{transform:translateY(-2px);box-shadow:0 18px 42px rgba(184,83,255,.26)}
.hero-card{position:relative;border:1px solid rgba(255,214,127,.28);border-radius:var(--radius);overflow:hidden;background:var(--panel);box-shadow:var(--shadow)}.hero-card img{aspect-ratio:16/9;object-fit:cover}.hero-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(0,0,0,.65));pointer-events:none}.hero-card-content{position:absolute;left:22px;right:22px;bottom:20px;z-index:2}.hero-card-content h2{font-size:28px}.metric-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}.metric{padding:16px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.05)}.metric strong{display:block;color:var(--gold);font-size:24px}.metric span{color:var(--muted);font-size:13px}
.section{max-width:1220px;margin:0 auto;padding:70px 22px}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}.section-head p{max-width:620px;color:var(--muted);margin:10px 0 0}.grid{display:grid;gap:22px}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.panel{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));padding:24px;box-shadow:0 20px 60px rgba(0,0,0,.2);position:relative;overflow:hidden}.panel:before{content:"";position:absolute;width:180px;height:180px;right:-60px;top:-70px;background:radial-gradient(circle,rgba(184,83,255,.22),transparent 65%);pointer-events:none}.panel p{color:var(--muted);margin:10px 0 0}.video-card{border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);background:rgba(11,11,23,.86);overflow:hidden;box-shadow:0 18px 58px rgba(0,0,0,.28);transition:.28s ease;position:relative}.video-card:hover{transform:translateY(-6px);border-color:rgba(255,214,127,.48);box-shadow:0 26px 80px rgba(184,83,255,.24)}.video-card figure{position:relative;margin:0;overflow:hidden;background:#090914}.video-card figure img,.mock-video{width:100%;aspect-ratio:16/9;object-fit:cover}.mock-video{position:absolute;inset:0;opacity:0;pointer-events:none}.play-button{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.8);width:68px;height:68px;border:1px solid rgba(255,255,255,.5);border-radius:50%;background:rgba(5,5,11,.54);backdrop-filter:blur(8px);opacity:0;cursor:pointer;transition:.26s ease}.play-button span{display:block;margin-left:25px;width:0;height:0;border-top:14px solid transparent;border-bottom:14px solid transparent;border-left:22px solid var(--gold)}.video-card:hover .play-button{opacity:1;transform:translate(-50%,-50%) scale(1)}.video-card:hover figure:after{opacity:1}.video-card figure:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 50%,rgba(255,214,127,.22),rgba(184,83,255,.16),transparent 70%);opacity:0;transition:.26s ease}.image-description{position:absolute;left:14px;bottom:12px;z-index:3;padding:6px 10px;border-radius:999px;background:rgba(0,0,0,.56);color:#fff0c7;font-size:12px;max-width:calc(100% - 28px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.video-body{padding:22px}.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.tag-row span{font-size:12px;color:#fff0c7;border:1px solid rgba(255,214,127,.24);background:rgba(255,214,127,.08);border-radius:999px;padding:5px 9px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:16px 0 0}.stats div{border-top:1px solid var(--line);padding-top:12px}.stats dt{color:var(--muted);font-size:12px}.stats dd{margin:0;color:var(--gold);font-weight:900}.topic{display:flex;gap:16px;align-items:flex-start}.topic b{display:inline-flex;width:38px;height:38px;border-radius:12px;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--gold),var(--purple));color:#111}.danmaku{margin-top:16px;padding:14px;border:1px dashed rgba(105,230,255,.34);border-radius:16px;color:#d7f8ff;background:rgba(105,230,255,.06)}.expert{display:flex;gap:16px;align-items:flex-start}.avatar{width:58px;height:58px;border-radius:20px;background:linear-gradient(135deg,var(--purple),var(--gold));display:flex;align-items:center;justify-content:center;color:#111;font-weight:900;font-size:20px;flex:0 0 auto}.review{min-height:230px}.review strong{color:var(--gold)}.stars{letter-spacing:.12em;color:var(--gold);margin-bottom:10px}.partner-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.partner-wall span{border:1px solid var(--line);border-radius:18px;padding:18px;text-align:center;color:#fff;background:rgba(255,255,255,.05);font-weight:800}.faq-item{border-bottom:1px solid var(--line);padding:18px 0}.faq-item summary{cursor:pointer;font-weight:900;color:#fff}.faq-item p{color:var(--muted)}.contact-card{background:linear-gradient(135deg,rgba(255,214,127,.1),rgba(184,83,255,.12));border:1px solid rgba(255,214,127,.24);border-radius:var(--radius);padding:28px}.qr{border-radius:20px;border:1px solid var(--line);background:#070711}.breadcrumbs{max-width:1220px;margin:0 auto;padding:26px 22px 0;color:var(--muted);font-size:14px}.breadcrumbs a{color:var(--gold)}.page-hero{max-width:1220px;margin:0 auto;padding:66px 22px 34px}.page-hero p{max-width:820px;color:var(--muted);font-size:18px}.site-footer{margin-top:70px;border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(18,18,37,.86),#05050b)}.footer-grid{max-width:1220px;margin:0 auto;padding:48px 22px;display:grid;grid-template-columns:1.5fr 1fr 1.1fr 1.1fr;gap:26px}.footer-grid h2{font-size:18px;margin-bottom:12px}.footer-grid a{display:block;color:#ddd6ff;margin:8px 0}.footer-grid p{color:var(--muted);margin:8px 0}.footer-logo img{width:130px}.copyright{text-align:center;color:var(--muted);border-top:1px solid var(--line);padding:18px 22px}.notice{border:1px solid rgba(105,230,255,.24);border-radius:20px;padding:16px;background:rgba(105,230,255,.06);color:#d9fbff}.marquee{display:flex;gap:12px;overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}.marquee span{white-space:nowrap;border:1px solid var(--line);border-radius:999px;padding:8px 14px;background:rgba(255,255,255,.05);animation:floatText 14s linear infinite}@keyframes floatText{from{transform:translateX(0)}to{transform:translateX(-120px)}}
@media (max-width:980px){.main-nav{display:none}.nav-toggle{display:block}.mobile-nav.is-open{display:flex}.search-strip{grid-template-columns:1fr}.hero-inner{grid-template-columns:1fr;padding-top:52px}.grid-4,.grid-3,.grid-2,.footer-grid{grid-template-columns:1fr 1fr}.section-head{display:block}.partner-wall{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.nav-shell{padding:12px 16px}.search-strip,.section,.page-hero,.breadcrumbs{padding-left:16px;padding-right:16px}.fake-search{border-radius:22px;flex-direction:column}.fake-search button{width:auto}.grid-4,.grid-3,.grid-2,.footer-grid,.metric-strip{grid-template-columns:1fr}.hero-inner{padding-left:16px;padding-right:16px}.hero p{font-size:16px}.image-description{display:none}.partner-wall{grid-template-columns:1fr}.cta-row .btn{width:100%}}