:root{
    --bg:#050814;
    --bg-soft:#0a1024;
    --panel:#101831;
    --panel-2:#111b38;
    --text:#f4f8ff;
    --muted:#a8b4d4;
    --line:rgba(102,210,255,.22);
    --blue:#33c7ff;
    --cyan:#5ef7ff;
    --violet:#8a5cff;
    --pink:#ed6bff;
    --green:#51f7bb;
    --shadow:0 22px 60px rgba(0,0,0,.36);
    --radius:22px;
    --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
    background:
        radial-gradient(circle at 10% 6%, rgba(51,199,255,.22), transparent 30%),
        radial-gradient(circle at 90% 12%, rgba(138,92,255,.22), transparent 28%),
        linear-gradient(180deg,#040713 0%,#071025 42%,#050814 100%);
    color:var(--text);
    line-height:1.75;
    overflow-x:hidden;
}
body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    background-image:linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
    background-size:48px 48px;
    mask-image:linear-gradient(to bottom, rgba(0,0,0,.6), transparent 78%);
    z-index:-1;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{width:min(var(--max), calc(100% - 40px));margin:0 auto}
.skip-link{position:absolute;left:-999px;top:8px;background:#fff;color:#000;padding:8px 12px;border-radius:8px;z-index:20}
.skip-link:focus{left:8px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(5,8,20,.72);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.06em}
.brand-mark{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),var(--violet));box-shadow:0 0 28px rgba(51,199,255,.42);font-size:14px}
.brand-text{font-size:20px}
.site-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;justify-content:flex-end}
.site-nav a{padding:10px 12px;border-radius:999px;color:var(--muted);font-size:15px;transition:.2s ease}
.site-nav a:hover,.site-nav a.is-active{color:var(--text);background:rgba(94,247,255,.11);box-shadow:inset 0 0 0 1px rgba(94,247,255,.18)}
.menu-toggle{display:none;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:14px;width:44px;height:42px;padding:9px;cursor:pointer}
.menu-toggle span{display:block;height:2px;margin:5px 0;background:var(--text);border-radius:5px}
.hero{position:relative;padding:92px 0 70px;overflow:hidden}
.hero::after{content:"";position:absolute;inset:auto -10% 0 -10%;height:160px;background:linear-gradient(90deg,transparent,rgba(94,247,255,.16),rgba(138,92,255,.16),transparent);filter:blur(24px);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:48px;position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);background:rgba(94,247,255,.08);border:1px solid rgba(94,247,255,.22);border-radius:999px;padding:8px 14px;font-weight:700;font-size:14px}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 16px var(--green)}
h1,.h1{font-size:clamp(38px,6vw,74px);line-height:1.05;margin:20px 0 18px;letter-spacing:-.04em}
h2{font-size:clamp(28px,3.6vw,46px);line-height:1.15;margin:0 0 16px;letter-spacing:-.03em}
h3{margin:0 0 10px;font-size:21px;line-height:1.35}
p{color:var(--muted);margin:0 0 16px}
.lead{font-size:18px;max-width:720px;color:#c9d4ef}
.hero-actions,.section-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 18px;border-radius:999px;font-weight:800;border:1px solid var(--line);transition:.2s ease;min-height:48px}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--violet));box-shadow:0 14px 34px rgba(51,199,255,.22);color:white}
.btn-secondary{background:rgba(255,255,255,.06);color:var(--text)}
.btn:hover{transform:translateY(-2px);filter:brightness(1.08)}
.hero-card{background:linear-gradient(180deg,rgba(16,24,49,.9),rgba(6,12,30,.9));border:1px solid var(--line);border-radius:32px;padding:18px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.hero-card::before{content:"";position:absolute;inset:-2px;background:radial-gradient(circle at 30% 0%, rgba(94,247,255,.25), transparent 35%),radial-gradient(circle at 100% 20%, rgba(237,107,255,.18), transparent 28%);pointer-events:none}
.hero-card img{position:relative;z-index:1;border-radius:24px;border:1px solid rgba(255,255,255,.08)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}
.stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:16px}
.stat strong{display:block;font-size:28px;color:var(--cyan);line-height:1}
.stat span{color:var(--muted);font-size:13px}
.section{padding:82px 0}
.section-head{max-width:760px;margin-bottom:30px}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:linear-gradient(180deg,rgba(16,24,49,.88),rgba(8,14,32,.86));border:1px solid rgba(94,247,255,.16);border-radius:var(--radius);padding:24px;box-shadow:0 16px 50px rgba(0,0,0,.2);position:relative;overflow:hidden}
.card::after{content:"";position:absolute;right:-60px;top:-60px;width:140px;height:140px;border-radius:50%;background:radial-gradient(circle, rgba(94,247,255,.18), transparent 62%);pointer-events:none}
.card .icon{width:54px;height:54px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(51,199,255,.22),rgba(138,92,255,.18));border:1px solid rgba(94,247,255,.2);font-size:24px;margin-bottom:18px}
.card ul,.feature-list{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:10px;color:var(--muted)}
.card li,.feature-list li{position:relative;padding-left:20px}
.card li::before,.feature-list li::before{content:"";position:absolute;left:0;top:.75em;width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.band{border-block:1px solid var(--line);background:linear-gradient(90deg,rgba(94,247,255,.06),rgba(138,92,255,.08),rgba(94,247,255,.06));padding:28px 0;margin:34px 0}
.band-row{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.band strong{font-size:24px}.band span{color:var(--muted)}
.visual-card{padding:0;overflow:hidden}.visual-card img{width:100%}.visual-body{padding:22px}
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:26px}
.kpi{border:1px solid rgba(94,247,255,.18);background:rgba(255,255,255,.05);border-radius:18px;padding:18px}.kpi b{display:block;font-size:24px;color:var(--cyan)}
.timeline{display:grid;gap:18px;counter-reset:step}.step{counter-increment:step;display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:flex-start;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);border-radius:20px;padding:20px}.step::before{content:counter(step);width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--blue),var(--violet));display:grid;place-items:center;font-weight:900}.step p{margin-bottom:0}
.page-hero{padding:76px 0 42px;border-bottom:1px solid var(--line);background:radial-gradient(circle at 20% 10%, rgba(51,199,255,.17), transparent 30%)}
.page-hero .lead{max-width:840px}
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:36px;align-items:center}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.tag-cloud span{padding:8px 12px;border-radius:999px;background:rgba(94,247,255,.08);border:1px solid rgba(94,247,255,.2);color:#d9faff;font-size:14px}
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.video-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:22px;overflow:hidden}.video-thumb{position:relative}.play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:rgba(5,8,20,.78);border:1px solid rgba(94,247,255,.4);box-shadow:0 0 28px rgba(94,247,255,.28)}.play::before{content:"";border-left:16px solid var(--cyan);border-top:10px solid transparent;border-bottom:10px solid transparent;margin-left:4px}.video-body{padding:20px}
.faq{display:grid;gap:14px}.faq details{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:18px}.faq summary{cursor:pointer;font-weight:800;color:var(--text)}.faq p{margin:12px 0 0}
.form-card{background:linear-gradient(180deg,rgba(16,24,49,.9),rgba(8,14,32,.92));border:1px solid var(--line);border-radius:26px;padding:28px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.field{display:grid;gap:8px}.field.full{grid-column:1/-1}.field label{font-weight:700}.field input,.field textarea,.field select{width:100%;border:1px solid rgba(94,247,255,.22);background:rgba(3,8,20,.72);color:var(--text);border-radius:14px;padding:13px 14px;font:inherit}.field textarea{min-height:128px;resize:vertical}.notice{border:1px solid rgba(81,247,187,.25);background:rgba(81,247,187,.08);border-radius:18px;padding:16px;color:#cfffea}
.footer-grid{display:grid;grid-template-columns:1.3fr .8fr 1fr .8fr;gap:28px}.site-footer{padding:52px 0;border-top:1px solid var(--line);background:#040713}.site-footer h3{font-size:16px;color:#fff}.site-footer a{display:block;color:var(--muted);margin:8px 0}.site-footer a:hover{color:var(--cyan)}.footer-brand{margin-bottom:14px}.update-date{color:#dff9ff;font-weight:700}
@media (max-width:980px){.hero-grid,.split,.grid-2{grid-template-columns:1fr}.grid-3,.video-grid{grid-template-columns:repeat(2,1fr)}.grid-4,.kpi-row{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.hero{padding-top:70px}.site-nav{position:absolute;left:20px;right:20px;top:68px;background:rgba(5,8,20,.96);border:1px solid var(--line);border-radius:20px;padding:14px;display:none;justify-content:flex-start}.site-nav.is-open{display:flex}.menu-toggle{display:block}}
@media (max-width:640px){.container{width:min(100% - 28px, var(--max))}.nav-wrap{height:68px}.hero,.section{padding:56px 0}.grid-3,.grid-4,.video-grid,.kpi-row,.stats,.form-grid,.footer-grid{grid-template-columns:1fr}h1,.h1{font-size:38px}.hero-actions,.section-actions{flex-direction:column}.btn{width:100%}.card{padding:20px}.page-hero{padding:54px 0 32px}}