:root{--bg:#050812;--panel:#0b1020;--panel2:#101833;--cyan:#32f5ff;--purple:#8d5cff;--text:#eef6ff;--muted:#a9b7cc;--line:rgba(255,255,255,.12);--soft:rgba(50,245,255,.14);--shadow:0 24px 80px rgba(0,0,0,.42)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Microsoft YaHei",Arial,sans-serif;background:radial-gradient(circle at top left,rgba(141,92,255,.22),transparent 34%),radial-gradient(circle at top right,rgba(50,245,255,.15),transparent 30%),var(--bg);color:var(--text);line-height:1.7}.container{width:min(1180px,92vw);margin:auto}.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;z-index:99;background:#fff;color:#000;padding:8px 12px}.site-header{position:sticky;top:0;z-index:50;background:rgba(5,8,18,.82);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.nav-wrap{display:flex;align-items:center;justify-content:space-between;min-height:72px}.brand,.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:800;font-size:22px}.logo-dot{width:24px;height:24px;border-radius:9px;background:linear-gradient(135deg,var(--cyan),var(--purple));box-shadow:0 0 24px var(--soft)}.main-nav{display:flex;gap:4px}.main-nav a{color:var(--muted);text-decoration:none;padding:10px 12px;border-radius:12px}.main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(255,255,255,.08)}.menu-toggle{display:none;background:none;border:1px solid var(--line);color:#fff;border-radius:10px;padding:7px 10px}.hero{padding:86px 0 54px;position:relative;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:34px;align-items:center}.eyebrow{display:inline-flex;gap:8px;align-items:center;color:var(--cyan);border:1px solid rgba(50,245,255,.25);border-radius:999px;padding:6px 12px;background:rgba(50,245,255,.07);font-size:14px}.hero h1,.page-hero h1{font-size:clamp(34px,5vw,64px);line-height:1.08;margin:18px 0}.lead{font-size:18px;color:var(--muted);max-width:760px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;padding:12px 20px;text-decoration:none;font-weight:700;border:1px solid var(--line);color:#fff}.btn.primary{background:linear-gradient(135deg,var(--cyan),var(--purple));color:#03101a;border:0}.btn.ghost{background:rgba(255,255,255,.06)}.studio-panel{background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.03));border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:16px}.studio-panel img{width:100%;display:block;border-radius:20px}.section{padding:62px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:26px}.section-head h2{font-size:clamp(26px,3vw,42px);margin:0}.section-head p{color:var(--muted);margin:8px 0 0;max-width:720px}.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{background:linear-gradient(180deg,rgba(16,24,51,.92),rgba(9,14,29,.92));border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 16px 44px rgba(0,0,0,.24)}.card h3{margin:10px 0 8px;font-size:22px}.card p,.card li{color:var(--muted)}.card img{width:100%;border-radius:16px;margin-bottom:10px}.video-card{padding:12px}.video-cover{position:relative;overflow:hidden;border-radius:18px}.video-cover img{display:block;width:100%;margin:0}.play{position:absolute;left:16px;bottom:16px;background:rgba(5,8,18,.8);border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:8px 12px;color:#fff}.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.tag{font-size:13px;color:var(--cyan);background:rgba(50,245,255,.09);border:1px solid rgba(50,245,255,.2);padding:4px 9px;border-radius:999px}.timeline{position:relative}.timeline:before{content:"";position:absolute;left:28px;top:0;bottom:0;width:2px;background:linear-gradient(var(--cyan),var(--purple))}.timeline-item{position:relative;margin:0 0 16px 64px}.timeline-item:before{content:"";position:absolute;left:-48px;top:20px;width:14px;height:14px;border-radius:50%;background:var(--cyan);box-shadow:0 0 20px var(--cyan)}.compare{display:grid;grid-template-columns:1fr 1fr;gap:14px}.compare div{border-radius:18px;min-height:210px;padding:18px;border:1px solid var(--line)}.compare .before{background:linear-gradient(135deg,#1b2030,#111)}.compare .after{background:linear-gradient(135deg,rgba(50,245,255,.22),rgba(141,92,255,.26))}.step{counter-increment:step}.step:before{content:counter(step,decimal-leading-zero);display:inline-flex;color:#06101d;background:var(--cyan);font-weight:900;border-radius:12px;padding:4px 10px}.steps{counter-reset:step}.faq details{border:1px solid var(--line);border-radius:18px;padding:16px 18px;background:rgba(255,255,255,.04);margin-bottom:12px}.faq summary{cursor:pointer;font-weight:700}.faq p{color:var(--muted)}.cta{background:linear-gradient(135deg,rgba(50,245,255,.16),rgba(141,92,255,.18));border:1px solid var(--line);border-radius:30px;padding:34px;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}.page-hero{padding:70px 0 34px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.04),transparent)}.panel-list{display:grid;gap:12px}.panel-list li{list-style:none;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.04);padding:14px 16px;color:var(--muted)}.form{display:grid;gap:14px}.form input,.form textarea,.form select{width:100%;border:1px solid var(--line);background:rgba(5,8,18,.7);color:#fff;border-radius:14px;padding:13px}.form textarea{min-height:140px}.site-footer{border-top:1px solid var(--line);background:#050812;padding:44px 0 22px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}.footer-grid a{display:block;color:var(--muted);text-decoration:none;margin-top:8px}.footer-bottom{border-top:1px solid var(--line);margin-top:28px;padding-top:18px;color:var(--muted);font-size:14px}.table{width:100%;border-collapse:collapse;overflow:hidden;border-radius:18px}.table th,.table td{border-bottom:1px solid var(--line);padding:14px;text-align:left}.table th{color:#fff;background:rgba(255,255,255,.06)}.table td{color:var(--muted)}@media(max-width:900px){.hero-grid,.grid-3,.grid-4,.grid-2,.cta,.footer-grid{grid-template-columns:1fr}.section-head{display:block}.menu-toggle{display:block}.main-nav{display:none;position:absolute;left:4vw;right:4vw;top:70px;background:#071022;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow)}.main-nav.open{display:grid}.hero{padding-top:54px}.compare{grid-template-columns:1fr}.cta{padding:24px}.timeline:before{left:18px}.timeline-item{margin-left:48px}}