:root{--ink:#171823;--violet:#29243c;--violet2:#49415f;--silver:#dfe2e9;--paper:#f5f5f7;--muted:#666977;--coral:#ee8d7c;--ice:#b7deed;--line:#dadce3;--max:1200px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}a:hover{color:#78689d}button,a{touch-action:manipulation}button:focus-visible,a:focus-visible{outline:3px solid var(--coral);outline-offset:3px}.wrap{width:min(var(--max),calc(100% - 48px));margin:auto}.eyebrow{font-size:.73rem;letter-spacing:.2em;text-transform:uppercase;font-weight:800;color:#8e739f}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:34px}.section-head h2,.block-title{font-size:clamp(2rem,4vw,3.7rem);line-height:1.19;letter-spacing:-.04em;margin:10px 0}.section-head 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a{position:absolute;width:200px;padding:17px;background:#fff;border:1px solid #cecad5;text-align:center;font-weight:800}.device-index a:nth-of-type(1){top:0;left:50%;transform:translateX(-50%)}.device-index a:nth-of-type(2){right:0;top:50%;transform:translateY(-50%)}.device-index a:nth-of-type(3){bottom:0;left:50%;transform:translateX(-50%)}.device-index a:nth-of-type(4){left:0;top:50%;transform:translateY(-50%)}.platform{padding:55px 0;border-top:1px solid var(--line);scroll-margin-top:95px}.platform-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:42px;align-items:center}.platform:nth-child(even) .platform-grid{direction:rtl}.platform:nth-child(even) .platform-grid>*{direction:ltr}.platform img{width:100%;aspect-ratio:4/3;object-fit:cover}.platform h2{font-size:2.1rem;line-height:1.25}.platform ul{padding-left:20px;color:var(--muted)}.resources{border-top:1px solid var(--line);padding:60px 0}.resource-list{display:flex;flex-wrap:wrap;gap:10px}.resource-list a{border:1px solid 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16px}@media(max-width:900px){.nav{gap:12px;font-size:.78rem}.brand{font-size:.75rem}.hero-orbit{display:none}.corridor-grid{grid-template-columns:1fr 1fr}.corridor-photo{grid-column:1/3;grid-row:1;height:390px}.scene-points{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/3}}@media(max-width:680px){.wrap{width:min(100% - 30px,var(--max))}.topbar .wrap{min-height:64px}.nav-toggle{display:block}.nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--paper);padding:15px 22px 25px;box-shadow:0 20px 30px #17182320;flex-direction:column;align-items:stretch;gap:0}.nav.open{display:flex}.nav a{padding:10px 0;border-bottom:1px solid var(--line);font-size:.9rem}.hero{min-height:640px}.hero h1{font-size:2.45rem}.hero-ring{width:330px;height:330px}.hero-content{padding:50px 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