:root{--ink:#f4f8ff;--muted:#9caeca;--night:#030916;--panel:rgba(17,31,57,.54);--line:rgba(173,216,255,.18);--cyan:#58e8ff;--violet:#ad8cff;--deep:#09142b;--radius:28px;--wrap:min(1180px,calc(100% - 40px))}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--night);color:var(--ink);font-family:"Microsoft YaHei UI","Segoe UI",sans-serif;line-height:1.7;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(circle at 15% 20%,rgba(44,157,255,.13),transparent 32%),radial-gradient(circle at 85% 72%,rgba(154,97,255,.11),transparent 28%),linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);background-size:auto,auto,64px 64px,64px 64px;z-index:-2}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{width:var(--wrap);margin-inline:auto}
.glass{background:linear-gradient(145deg,rgba(255,255,255,.115),rgba(255,255,255,.025));border:1px solid var(--line);box-shadow:inset 0 1px 0 rgba(255,255,255,.18),0 24px 80px rgba(0,0,0,.28);backdrop-filter:blur(18px)}
.site-header{position:sticky;top:0;z-index:20;padding:14px 0;background:rgba(3,9,22,.72);backdrop-filter:blur(22px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.06em}
.brand-mark{width:38px;height:38px;border:1px solid rgba(255,255,255,.3);border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(88,232,255,.28),rgba(173,140,255,.18));box-shadow:inset 0 0 16px rgba(88,232,255,.2)}
.brand-mark:after{content:"";width:16px;height:16px;border:4px solid var(--cyan);border-radius:50%;border-right-color:var(--violet)}
.nav-links{display:flex;justify-content:center;gap:24px;font-size:14px;color:#c7d3e7}
.nav-links a:hover{color:var(--cyan)}
.button{min-width:138px;min-height:48px;padding:11px 20px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;word-break:keep-all;writing-mode:horizontal-tb;font-weight:750;background:linear-gradient(110deg,var(--cyan),#95adff 55%,var(--violet));color:#041020;box-shadow:0 12px 34px rgba(74,199,255,.2);border:0}
.button.ghost{color:var(--ink);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);box-shadow:none}
.eyebrow{font:700 12px/1.2 Consolas,monospace;letter-spacing:.18em;color:var(--cyan);text-transform:uppercase}
.hero{min-height:690px;padding:82px 0 70px;display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center}
.hero-copy{position:relative;z-index:2}
.hero h1{font-size:clamp(46px,6.3vw,88px);line-height:1.04;letter-spacing:-.055em;margin:20px 0 24px;max-width:780px}
.hero h1 span{display:block;color:transparent;-webkit-text-stroke:1px rgba(205,232,255,.78)}
.lead{color:#b9c8df;font-size:18px;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:32px 0}
.platforms{display:flex;flex-wrap:wrap;gap:8px}
.platforms span,.chip{padding:7px 11px;border-radius:999px;border:1px solid rgba(255,255,255,.13);background:rgba(255,255,255,.035);font:650 11px/1.2 Consolas,monospace;color:#bdcae0}
.hero-media{align-self:center;position:relative;height:auto;padding:0;margin:0;overflow:visible;border-radius:42px}
.hero-media:before{content:"";position:absolute;inset:12% -4%;background:var(--cyan);filter:blur(90px);opacity:.15;z-index:-1}
.hero-media img{display:block;width:100%;height:auto;object-fit:contain;object-position:center;border-radius:40px;border:1px solid rgba(194,227,255,.25)}
.section{padding:110px 0}
.section-head{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:end;margin-bottom:44px}
.section h2{font-size:clamp(34px,4.3vw,62px);line-height:1.08;letter-spacing:-.04em;margin:12px 0}
.section-head p{color:var(--muted);max-width:580px;margin:0 0 6px}
.orbit-grid{display:grid;grid-template-columns:1.15fr .85fr;grid-template-rows:repeat(2,1fr);gap:14px}
.orbit-card{min-height:260px;padding:34px;border-radius:var(--radius);position:relative;overflow:hidden}
.orbit-card:first-child{grid-row:1/3;display:flex;flex-direction:column;justify-content:flex-end;min-height:534px;background:linear-gradient(180deg,rgba(12,27,55,.06),rgba(7,20,43,.94)),url("2.webp") center/cover}
.orbit-card h3{font-size:25px;margin:12px 0 8px}.orbit-card p{color:var(--muted);margin:0;max-width:430px}
.orbit-icon{width:48px;height:48px;border:1px solid rgba(255,255,255,.24);border-radius:50%;display:grid;place-items:center;color:var(--cyan);font-family:Consolas}
.device-hub{display:grid;grid-template-columns:1fr .78fr;gap:16px;align-items:stretch}
.device-copy{padding:50px;border-radius:36px}
.device-copy h2{margin-top:14px}.device-copy p{color:var(--muted)}
.device-cloud{padding:38px;border-radius:36px;display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.device-cloud span{min-height:82px;display:flex;align-items:center;justify-content:center;border-radius:18px;border:1px solid rgba(255,255,255,.11);background:rgba(255,255,255,.035);font-weight:750}
.evidence{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:28px;overflow:hidden}
.evidence>div{background:#071126;padding:28px;min-height:150px}.evidence strong{display:block;font-size:20px;margin-bottom:8px}.evidence p{font-size:13px;color:var(--muted);margin:0}
.news-rail{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:14px}.news-card{padding:30px;border-radius:26px;min-height:240px;display:flex;flex-direction:column;justify-content:space-between}.news-card:first-child{min-height:330px}.news-card p{color:var(--muted)}
.voices{display:grid;grid-template-columns:.78fr 1.1fr .9fr;gap:14px;align-items:start}.voice{padding:30px;border-radius:26px}.voice:nth-child(2){margin-top:54px}.voice blockquote{margin:14px 0 28px;font-size:18px}.voice small{color:var(--muted)}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.plan{padding:34px;border-radius:28px;display:flex;flex-direction:column}.plan.featured{border-color:rgba(88,232,255,.48);transform:translateY(-14px)}.plan h3{font-size:30px;margin:12px 0 0}.plan .value{font-size:18px;color:var(--cyan);margin:20px 0}.plan p,.plan li{color:var(--muted)}.plan ul{padding-left:20px;min-height:110px}.plan .button{margin-top:auto}
.faq-layout{display:grid;grid-template-columns:.55fr 1.45fr;gap:60px}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:22px 4px}summary{cursor:pointer;font-size:18px;font-weight:700;list-style:none}summary:after{content:"＋";float:right;color:var(--cyan)}details[open] summary:after{content:"—"}details p{color:var(--muted);padding-right:40px}
.final-cta{margin:40px auto 110px;padding:54px;border-radius:40px;display:flex;align-items:center;justify-content:space-between;gap:30px;background:linear-gradient(110deg,rgba(69,218,255,.16),rgba(176,127,255,.13));border:1px solid rgba(255,255,255,.2)}.final-cta h2{font-size:clamp(32px,4vw,54px);line-height:1.1;margin:8px 0}.final-cta p{color:var(--muted);margin:0}
.footer{padding:70px 0 24px;border-top:1px solid var(--line);background:#020712}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:34px}.footer h3{font-size:14px}.footer a{display:block;color:var(--muted);font-size:13px;margin:8px 0}.footer-note{border-top:1px solid var(--line);margin-top:44px;padding-top:20px;color:#71819b;font-size:12px}
.page-hero{padding:100px 0 58px;display:grid;grid-template-columns:1fr .7fr;gap:40px}.page-hero h1{font-size:clamp(44px,7vw,82px);line-height:1.05;letter-spacing:-.05em;margin:16px 0}.page-hero p{color:var(--muted);font-size:18px}.mini-panel{padding:30px;border-radius:30px}
.download-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;padding-bottom:110px}.download-card{padding:28px;border-radius:25px;display:grid;grid-template-columns:52px 1fr auto;align-items:center;gap:20px}.download-card h2{font-size:22px;margin:0}.download-card p{margin:4px 0 0;color:var(--muted);font-size:13px}
.help-shell{display:grid;grid-template-columns:260px 1fr;gap:50px;padding:20px 0 110px}.help-nav{position:sticky;top:95px;align-self:start;padding:22px;border-radius:24px}.help-nav a{display:block;padding:9px;color:var(--muted)}.help-content article{padding:30px 0;border-bottom:1px solid var(--line)}.help-content h2{font-size:30px;margin-bottom:10px}.help-content p,.help-content li{color:var(--muted)}
.reveal{opacity:0;transform:translateY(16px);transition:.7s ease}.reveal.in{opacity:1;transform:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}
@media(max-width:860px){.nav-links{display:none}.hero,.section-head,.device-hub,.faq-layout,.page-hero{grid-template-columns:1fr}.hero{padding-top:55px;gap:38px;min-height:auto}.orbit-grid{grid-template-columns:1fr;grid-template-rows:auto}.orbit-card:first-child{grid-row:auto;min-height:420px}.evidence{grid-template-columns:1fr 1fr}.news-rail,.voices,.plans{grid-template-columns:1fr}.voice:nth-child(2),.plan.featured{margin-top:0;transform:none}.footer-grid{grid-template-columns:1fr 1fr}.download-grid{grid-template-columns:1fr}.help-shell{grid-template-columns:1fr}.help-nav{position:static}}
@media(max-width:560px){:root{--wrap:min(100% - 24px,1180px)}.nav{grid-template-columns:1fr auto}.nav>.button{min-width:104px;padding:9px 13px}.brand{font-size:14px}.hero h1{font-size:44px}.section{padding:76px 0}.orbit-card,.device-copy{padding:25px}.device-cloud{padding:18px}.evidence{grid-template-columns:1fr}.plans{gap:22px}.final-cta{padding:30px;flex-direction:column;align-items:flex-start}.footer-grid{grid-template-columns:1fr 1fr}.download-card{grid-template-columns:42px 1fr}.download-card .button{grid-column:1/-1;width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}}
/* Hero final override: preserve natural image geometry */
.hero{align-items:center}
.hero-media{align-self:center;height:auto;padding:0;margin-top:0;margin-bottom:0;overflow:visible;transform:none;clip-path:none}
.hero-media img{display:block;width:100%;height:auto;min-height:0;max-height:none;margin:0;padding:0;object-fit:contain;object-position:center;transform:none;clip-path:none}