*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#070f1e;color:#f2f5ff;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.shell{width:min(1180px,calc(100% - 40px));margin:auto}.top{position:sticky;top:0;z-index:50;background:rgba(6,16,31,.82);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.08)}.nav{height:76px;display:flex;align-items:center;gap:28px}.brand img{width:122px}.links{display:flex;gap:26px;margin-left:auto;align-items:center;font-size:14px}.links a:hover,.links a.active{color:#8ea9ff}.lang{border:1px solid rgba(255,255,255,.18);padding:7px 12px;border-radius:6px}.menu{display:none;margin-left:auto;background:none;border:0;color:#fff;font-size:25px}.hero{min-height:690px;display:flex;align-items:center;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 77% 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15px}.footer-col{display:flex;flex-direction:column;gap:9px}.copyright{margin-top:42px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;color:#5d6779;font-size:12px}.page-hero{padding:92px 0 62px;text-align:center;background:radial-gradient(circle at 50% 0,rgba(79,124,255,.24),transparent 52%)}.page-hero h1{font-size:52px}.crumb{font-size:13px;color:#76819a}.download-layout{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.platforms{display:flex;gap:8px;flex-wrap:wrap;margin:25px 0}.pill{padding:8px 14px;border:1px solid rgba(255,255,255,.12);border-radius:5px;color:#8f9ab4}.pill.active{background:#4f7cff;color:white;border-color:#4f7cff}.device{background:#0d1729;border:1px solid rgba(255,255,255,.1);padding:55px;text-align:center;border-radius:8px}.window-logo{font-size:74px;color:#7d9dff}.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.plan{padding:32px;background:#101c33;border:1px solid rgba(255,255,255,.09);border-radius:8px}.plan.featured{border:2px solid #4f7cff;transform:translateY(-8px)}.price{font-size:44px;font-weight:800}.price small{font-size:14px;color:#8f9ab4}.plan ul{padding-left:18px;color:#9aa5be}.plan .btn{width:100%}.faq{max-width:850px;margin:auto}.faq details{background:#101c33;border:1px solid rgba(255,255,255,.08);border-radius:6px;margin:10px 0;padding:18px 21px}.faq summary{font-weight:700;cursor:pointer}.faq p{color:#8f9ab4;margin-bottom:0}.article{max-width:880px;margin:auto;color:#9aa5be}.article h2{color:#f2f5ff;margin-top:38px}.article h3{color:#dde5f8}.article li{margin:8px 0}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:16px;border:1px solid rgba(255,255,255,.1)}.table th{background:#16233d}.notice{padding:18px;border-left:3px solid #4f7cff;background:#101c33;color:#9aa5be}.center{text-align:center}.logo-orbit{width:320px;aspect-ratio:1;border-radius:50%;margin:auto;display:grid;place-items:center;border:1px solid rgba(79,124,255,.45);box-shadow:0 0 90px rgba(79,124,255,.22);position:relative}.logo-orbit:before,.logo-orbit:after{content:"";position:absolute;border:1px solid rgba(79,124,255,.2);border-radius:50%;inset:25px}.logo-orbit:after{inset:60px}.logo-orbit img{width:145px;position:relative;z-index:2}.tags{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}.tags span{background:#142240;padding:6px 13px;border-radius:4px;color:#8f9ab4;font-size:13px}@media(max-width:800px){.menu{display:block}.links{display:none;position:absolute;top:76px;left:0;right:0;background:#070f1e;padding:20px;flex-direction:column;align-items:stretch}.links.open{display:flex}.hero{min-height:auto;padding:80px 0}.hero-grid,.download-layout{grid-template-columns:1fr}.hero-art{order:-1}.hero h1{font-size:48px}.grid,.plans{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}.stat{padding:12px}.footer-grid{grid-template-columns:1fr 1fr}.band-inner{align-items:flex-start;flex-direction:column}.page-hero h1{font-size:40px}.plan.featured{transform:none}.copyright{gap:12px;flex-direction:column}}
/* geo:blocks - Bing GEO 2026 content blocks (added 2026-10-08). Delete this block to roll back. */
.crumbs{font-size:13px;color:#8f9ab4;padding:18px 0 0}
.crumbs a{color:#8f9ab4}
.crumbs a:hover{color:#8ea9ff}
.crumbs span{margin:0 8px;color:#5d6779}
.answer{max-width:840px;margin:24px auto 0;padding:18px 22px;background:#101c33;border:1px solid rgba(255,255,255,.09);border-left:3px solid #4f7cff;border-radius:6px;color:#dde5f8;font-size:15px;text-align:left}
.answer b{color:#fff}
.keypoints{max-width:840px;margin:16px auto 0;padding-left:22px;color:#9aa5be;text-align:left}
.keypoints li{margin:7px 0}
.table-wrap{overflow-x:auto;margin-top:20px}
.table-wrap .table{min-width:560px;background:#0d1729;font-size:14px}
.site-updated{max-width:1180px;margin:0 auto;padding:20px 0 0;color:#5d6779;font-size:12px;text-align:center}
.faq summary::marker{color:#8ea9ff}
@media(max-width:800px){.answer{margin-top:16px;font-size:14px;padding:15px 16px}.crumbs{padding-top:12px}.site-updated{padding-top:12px}}
/* theme:stable - steady indigo, roomy cards (added 2026-10-08). Delete this block to roll back. */
html,body{overflow-x:hidden}img{height:auto}.shell{width:min(1160px,calc(100% - 40px))}
.nav{height:84px;gap:30px}.hero{min-height:720px}.hero-grid{grid-template-columns:1fr 1fr;gap:56px}
.btn,.card,.plan,.device,.answer,.icon{border-radius:10px}.faq details{border-radius:10px}
.section{padding:104px 0}.grid{grid-template-columns:repeat(3,1fr);gap:20px}.card{padding:30px}
.icon{width:48px;height:48px;font-size:22px}.stats-grid{padding:38px 0}.stat b{font-size:30px}
.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr}.band{padding:60px 0}.article{max-width:860px}
@media(max-width:1024px){.shell{width:calc(100% - 32px)}.hero-grid{gap:34px}.section{padding:84px 0}}
@media(max-width:800px){.section{padding:62px 0}.hero{padding:70px 0}.device{padding:34px}.band h2{font-size:28px}}
/* theme:mobile-resets - keep single column on phones (added 2026-10-08). Delete this block to roll back. */
@media(max-width:800px){
  .hero{min-height:auto}
  .hero-grid{grid-template-columns:1fr;gap:26px;text-align:left}
  .grid{grid-template-columns:1fr}
  .plans{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .links{top:84px}
}
/* layout:stable-blocks - art on the left, top bar cards, 2x2 stats (added 2026-10-08). Delete this block to roll back. */
.hero-grid{grid-template-columns:1.05fr 1fr}
.hero-art{order:-1}
.hero-art img{border-radius:14px}
.section-head{text-align:left;max-width:700px;margin-left:0;margin-bottom:42px}
.card{padding:28px 30px;border-top:2px solid #4f7cff}
.card h3{font-size:20px}
.stats-grid{grid-template-columns:repeat(2,1fr)}
.stat{border-right:0;padding:14px 0}
.faq details{padding:20px 24px}
.band-inner{flex-direction:column;align-items:flex-start;text-align:left;gap:18px}
.article h2{border-left:3px solid #4f7cff;padding-left:12px}