:root{
    --bg:#050816;
    --bg-soft:#0b1027;
    --card:#101735;
    --card-2:#121a3f;
    --line:rgba(128,220,255,.22);
    --text:#f7fbff;
    --muted:#aeb9d6;
    --blue:#4fd8ff;
    --violet:#8b5cf6;
    --cyan:#62f7d4;
    --pink:#ff6ad5;
    --shadow:0 24px 70px rgba(0,0,0,.45);
    --radius:24px;
}
*{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;
    color:var(--text);
    background:
        radial-gradient(circle at 10% 5%, rgba(79,216,255,.20), transparent 28%),
        radial-gradient(circle at 88% 20%, rgba(139,92,246,.22), transparent 26%),
        radial-gradient(circle at 48% 70%, rgba(98,247,212,.10), transparent 34%),
        var(--bg);
    line-height:1.75;
    min-height:100vh;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
.container{width:min(1180px,92vw);margin:0 auto}
.site-header{
    position:sticky;
    top:0;
    z-index:50;
    background:rgba(5,8,22,.82);
    backdrop-filter:blur(18px);
    border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.02em}
.brand-mark{
    display:grid;
    place-items:center;
    width:48px;height:48px;
    border-radius:16px;
    color:#04111e;
    background:linear-gradient(135deg,var(--blue),var(--cyan) 50%,var(--violet));
    box-shadow:0 0 28px rgba(79,216,255,.46);
}
.brand-name{font-size:15px;color:#dfeaff}
.site-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.site-nav a{padding:10px 13px;border-radius:999px;color:#cbd6f7;font-size:14px;transition:.25s ease}
.site-nav a:hover,.site-nav a.active{color:#fff;background:rgba(79,216,255,.13);box-shadow:inset 0 0 0 1px rgba(79,216,255,.2)}
.nav-toggle{display:none;background:transparent;border:0;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;margin:5px 0;border-radius:2px}
.hero{position:relative;padding:92px 0 74px;overflow:hidden}
.hero:before{content:"";position:absolute;inset:10% -20% auto auto;width:560px;height:560px;background:radial-gradient(circle,rgba(79,216,255,.20),transparent 65%);filter:blur(4px);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center;position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:10px;padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.05);color:#bfeeff;font-size:14px;margin-bottom:20px}
.eyebrow:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 18px var(--cyan)}
h1{font-size:clamp(38px,6vw,72px);line-height:1.05;margin:0 0 24px;letter-spacing:-.045em}
h1 span,.gradient-text{background:linear-gradient(120deg,var(--blue),var(--cyan),#d7c8ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:18px;color:#c5d2f2;margin:0 0 28px;max-width:720px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:32px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 20px;border-radius:999px;font-weight:700;border:1px solid rgba(255,255,255,.13);transition:.25s ease}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--violet));color:#fff;box-shadow:0 16px 35px rgba(79,216,255,.22)}
.btn-ghost{background:rgba(255,255,255,.06);color:#dce8ff}
.btn:hover{transform:translateY(-2px)}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}
.stat-card{padding:18px;border:1px solid rgba(255,255,255,.10);border-radius:18px;background:rgba(255,255,255,.05)}
.stat-card strong{display:block;font-size:25px;color:#fff;line-height:1.1}
.stat-card span{display:block;color:#9fb0d5;font-size:13px;margin-top:6px}
.visual-card{position:relative;padding:14px;border-radius:32px;background:linear-gradient(145deg,rgba(79,216,255,.24),rgba(139,92,246,.18));box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.14)}
.visual-card img{border-radius:24px;box-shadow:0 20px 60px rgba(0,0,0,.35)}
.orbit-dot{position:absolute;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);padding:10px 14px;color:#e9f6ff;font-size:13px;box-shadow:0 12px 30px rgba(0,0,0,.28)}
.dot-a{left:-18px;top:18%}.dot-b{right:-14px;top:48%}.dot-c{left:22%;bottom:-16px}
.section{padding:78px 0;position:relative}
.section-head{max-width:760px;margin-bottom:36px}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto}
.kicker{color:var(--cyan);font-weight:800;letter-spacing:.08em;font-size:13px;text-transform:uppercase;margin:0 0 10px}
h2{font-size:clamp(28px,4vw,46px);line-height:1.16;margin:0 0 16px;letter-spacing:-.025em}
.section-head p,.lead{color:#b8c5e6;margin:0;font-size:17px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card-grid.two{grid-template-columns:repeat(2,1fr)}
.card-grid.four{grid-template-columns:repeat(4,1fr)}
.tech-card{position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.10);background:linear-gradient(180deg,rgba(16,23,53,.92),rgba(8,13,32,.92));border-radius:var(--radius);padding:24px;box-shadow:0 18px 46px rgba(0,0,0,.18)}
.tech-card:after{content:"";position:absolute;inset:auto -35% -45% auto;width:220px;height:220px;background:radial-gradient(circle,rgba(79,216,255,.17),transparent 65%);pointer-events:none}
.tech-card img{border-radius:18px;margin-bottom:18px;background:#070b1b;border:1px solid rgba(255,255,255,.08)}
.tech-card h3{font-size:21px;margin:0 0 10px}
.tech-card p{color:#afbddc;margin:0}
.tech-card ul{padding-left:18px;margin:14px 0 0;color:#b9c7e8}
.tech-card li{margin:6px 0}
.badge-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;border:1px solid rgba(79,216,255,.24);background:rgba(79,216,255,.08);color:#c9f5ff;font-size:12px}
.panel{border:1px solid rgba(255,255,255,.10);border-radius:30px;background:rgba(255,255,255,.055);box-shadow:var(--shadow);overflow:hidden}
.panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:center}
.panel-copy{padding:38px}
.panel-copy p{color:#b9c6e6}
.check-list{display:grid;gap:12px;margin:22px 0 0;padding:0;list-style:none}
.check-list li{display:flex;gap:10px;color:#dce8ff}
.check-list li:before{content:"✓";color:#050816;background:linear-gradient(135deg,var(--cyan),var(--blue));width:22px;height:22px;border-radius:50%;display:inline-grid;place-items:center;flex:0 0 22px;font-weight:900;font-size:13px;margin-top:3px}
.feature-band{border:1px solid rgba(255,255,255,.10);border-radius:32px;padding:34px;background:linear-gradient(135deg,rgba(79,216,255,.13),rgba(139,92,246,.12));display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
.feature-band p{color:#c7d3ef;margin:0}
.timeline{display:grid;gap:16px;counter-reset:item}
.timeline-item{position:relative;padding:24px 24px 24px 74px;border:1px solid rgba(255,255,255,.10);border-radius:24px;background:rgba(255,255,255,.05)}
.timeline-item:before{counter-increment:item;content:"0" counter(item);position:absolute;left:22px;top:24px;width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--violet));display:grid;place-items:center;font-weight:900;color:#fff}
.timeline-item h3{margin:0 0 8px}.timeline-item p{margin:0;color:#b7c4e2}
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.video-card{border:1px solid rgba(255,255,255,.10);border-radius:24px;overflow:hidden;background:rgba(255,255,255,.055);box-shadow:0 16px 45px rgba(0,0,0,.22)}
.video-thumb{position:relative}.video-thumb:after{content:"▶";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:54px;height:54px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.18);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.25)}
.video-body{padding:20px}.video-body h3{margin:0 0 8px}.video-body p{margin:0;color:#b6c4e2}.duration{display:inline-flex;margin-top:14px;color:#9ff5e4;font-size:13px}
.faq{display:grid;gap:14px}.faq details{border:1px solid rgba(255,255,255,.10);border-radius:20px;background:rgba(255,255,255,.05);padding:18px 22px}.faq summary{cursor:pointer;font-weight:800}.faq p{color:#b8c7e9;margin:12px 0 0}
.contact-box{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}.contact-card,.form-card{border:1px solid rgba(255,255,255,.10);border-radius:28px;background:rgba(255,255,255,.055);padding:28px;box-shadow:0 16px 45px rgba(0,0,0,.22)}
.info-list{display:grid;gap:14px;margin:20px 0 0}.info-list div{padding:16px;border-radius:16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08)}
label{display:block;color:#dce7ff;font-weight:700;margin-bottom:8px}input,textarea,select{width:100%;border:1px solid rgba(255,255,255,.14);border-radius:16px;background:rgba(5,8,22,.66);color:#fff;padding:13px 14px;font:inherit;outline:none}textarea{min-height:126px;resize:vertical}.form-row{display:grid;gap:14px;margin-bottom:16px}.form-message{margin-top:14px;color:#9ff5e4;min-height:24px}
.site-footer{border-top:1px solid rgba(255,255,255,.08);background:rgba(4,7,20,.88);padding:50px 0;color:#b7c3e1}.footer-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:28px}.footer-brand{display:inline-flex;font-weight:900;font-size:28px;color:#fff;margin-bottom:10px}.site-footer h2{font-size:18px;margin:0 0 12px}.footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.footer-links a{color:#cbd7f7}.domain-line strong{color:#fff}.page-hero{padding:72px 0 44px}.page-hero .lead{max-width:820px}.matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}.metric{padding:16px;border-radius:18px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08)}.metric strong{display:block;font-size:24px}.metric span{color:#aebbdd;font-size:13px}.notice{border-left:3px solid var(--cyan);padding:14px 16px;background:rgba(98,247,212,.08);border-radius:14px;color:#dcecff}.search-topic{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.search-topic span{padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.10);color:#dbe8ff;font-size:13px}
@media (max-width:980px){.hero-grid,.panel-grid,.contact-box,.feature-band{grid-template-columns:1fr}.card-grid,.card-grid.two,.card-grid.four,.video-grid,.matrix{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.hero{padding-top:64px}.orbit-dot{display:none}}
@media (max-width:760px){.nav-toggle{display:block}.site-nav{position:absolute;left:4vw;right:4vw;top:72px;display:none;flex-direction:column;align-items:stretch;background:rgba(8,13,32,.97);border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:12px;box-shadow:var(--shadow)}.site-nav.open{display:flex}.site-nav a{padding:12px 14px}.hero-grid,.card-grid,.card-grid.two,.card-grid.four,.video-grid,.matrix,.metric-row,.hero-stats,.footer-grid{grid-template-columns:1fr}h1{font-size:42px}.section{padding:56px 0}.panel-copy,.contact-card,.form-card{padding:22px}.feature-band{padding:24px}.footer-links{grid-template-columns:1fr}}
@media (prefers-reduced-motion:no-preference){.visual-card img{animation:floaty 5.5s ease-in-out infinite}.orbit-dot{animation:glow 3s ease-in-out infinite alternate}@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes glow{from{box-shadow:0 10px 28px rgba(79,216,255,.10)}to{box-shadow:0 16px 38px rgba(139,92,246,.36)}}}