:root{color-scheme:light;--ink:#172233;--muted:#667085;--line:#dfe6ed;--paper:#fff;--soft:#f4f7f9;--space:#07152e;--space-2:#102448;--primary:#137a55;--primary-deep:#0b5f41;--primary-soft:#e7f3ee;--signal:#ffc400;--warning:#c83f32;--max:1180px;--radius:22px;--shadow:0 24px 70px #06152e24}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);text-rendering:optimizelegibility;margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans,Noto Sans CJK SC,Arial,sans-serif;font-size:16px;line-height:1.7}img{max-width:100%;display:block}a{color:inherit}button,input,summary{font:inherit}.skip-link{z-index:100;background:#fff;border-radius:.5rem;padding:.75rem 1rem;position:fixed;top:-4rem;left:1rem}.skip-link:focus{top:1rem}.site-header{z-index:50;color:#fff;backdrop-filter:blur(18px);background:#07152ef0;border-bottom:1px solid #ffffff17;position:sticky;top:0}.header-inner{max-width:var(--max);align-items:center;gap:26px;min-height:72px;margin:0 auto;padding:0 24px;display:flex}.brand{align-items:center;gap:11px;margin-right:auto;text-decoration:none;display:inline-flex}.brand img{border-radius:11px;box-shadow:0 8px 22px #00000038}.brand strong{letter-spacing:.01em;font-size:1rem;display:block}.brand small{color:#9fb0cc;letter-spacing:.14em;font-size:.66rem;display:block}.desktop-nav{align-items:center;gap:6px;display:flex}.desktop-nav a{color:#d9e2f1;border-radius:9px;padding:9px 11px;font-size:.91rem;text-decoration:none}.desktop-nav a:hover,.desktop-nav a.active{color:#fff;background:#ffffff17}.language-menu,.mobile-menu{position:relative}.language-menu summary{cursor:pointer;color:#d9e2f1;border:1px solid #ffffff2e;border-radius:9px;padding:7px 11px;list-style:none}.language-menu summary::-webkit-details-marker,.mobile-menu summary::-webkit-details-marker{display:none}.language-panel{border:1px solid var(--line);width:210px;box-shadow:var(--shadow);background:#fff;border-radius:14px;padding:8px;position:absolute;top:calc(100% + 10px);right:0}.language-panel a{color:var(--ink);border-radius:8px;padding:9px 11px;text-decoration:none;display:block}.language-panel a:hover,.language-panel a.active{background:var(--primary-soft);color:var(--primary-deep)}.mobile-menu{display:none}.section{max-width:var(--max);margin:0 auto;padding:88px 24px}.section.compact{padding-top:56px;padding-bottom:56px}.section-header{max-width:760px;margin-bottom:34px}.eyebrow{color:var(--primary);letter-spacing:.14em;text-transform:uppercase;margin:0 0 12px;font-size:.78rem;font-weight:800}h1,h2,h3{letter-spacing:-.025em;margin-top:0;line-height:1.18}h1{font-size:clamp(2.65rem,6vw,5.6rem)}h2{font-size:clamp(2rem,4vw,3.6rem)}h3{font-size:1.25rem}.lead{color:var(--muted);font-size:clamp(1.06rem,2vw,1.27rem);line-height:1.8}.button-row{flex-wrap:wrap;gap:12px;margin-top:30px;display:flex}.button{background:var(--primary);color:#fff;border:1px solid #0000;border-radius:12px;justify-content:center;align-items:center;min-height:48px;padding:0 20px;font-weight:750;text-decoration:none;display:inline-flex;box-shadow:0 10px 25px #137a5538}.button:hover{background:var(--primary-deep)}.button.secondary{color:#fff;box-shadow:none;background:0 0;border-color:#ffffff40}.button.ghost{border-color:var(--line);color:var(--ink);box-shadow:none;background:#fff}.chip-row{flex-wrap:wrap;gap:9px;margin-top:28px;display:flex}.chip{color:#dce6f4;border:1px solid #ffffff2b;border-radius:999px;padding:7px 11px;font-size:.84rem;display:inline-flex}.hero{background:var(--space);color:#fff;position:relative;overflow:hidden}.hero:before{content:"";background:radial-gradient(circle at 78% 32%,#18a4763b,#0000 28%),radial-gradient(circle at 18% 76%,#ffc4001c,#0000 24%),linear-gradient(#ffffff06 1px,#0000 1px) 0 0/48px 48px,linear-gradient(90deg,#ffffff06 1px,#0000 1px) 0 0/48px 48px;position:absolute;inset:-10% -5%}.hero-inner{max-width:var(--max);grid-template-columns:minmax(0,.92fr) minmax(460px,1.08fr);align-items:center;gap:64px;min-height:720px;margin:0 auto;padding:92px 24px 78px;display:grid;position:relative}.hero-copy .eyebrow{color:#7ce0b9}.hero-copy h1{max-width:760px;margin-bottom:24px;font-size:clamp(2.7rem,4.1vw,4.35rem);line-height:1.13}.hero-copy .lead{color:#bdc9db;max-width:670px}.mission-visual{min-height:560px;position:relative}.orbit-stage{border:1px solid #ffffff21;border-radius:50%;position:absolute;inset:20px 0 0 26px;transform:rotate(-11deg)}.orbit-stage:before{content:"";border-radius:inherit;border:1px solid #ffc40059;position:absolute;inset:12%}.orbit-disc{aspect-ratio:1;background:repeating-radial-gradient(circle,#0000 0 42px,#7ce0b91c 43px 44px),linear-gradient(115deg,#137a5599,#092f4feb);border:1px solid #7ce0b957;border-radius:50%;width:340px;position:absolute;bottom:0;right:5%;box-shadow:inset -45px -35px 80px #010a1ea6,0 0 80px #20ae842e}.orbit-disc:before,.orbit-disc:after{content:"";background:#ffffff38;height:1px;position:absolute;inset:49% 8% auto;transform:rotate(18deg)}.orbit-disc:after{transform:rotate(-38deg)}.satellite-card{background:#0e2346db;border:1px solid #ffffff26;border-radius:18px;width:250px;padding:16px;position:absolute;top:8%;right:5%;box-shadow:0 25px 70px #00000052}.satellite-card img{float:left;border-radius:13px;width:56px;height:56px;margin-right:12px}.satellite-card strong{display:block}.satellite-card small{color:#9fb0cc}.telemetry-card{backdrop-filter:blur(16px);background:#ffffff14;border:1px solid #ffffff26;border-radius:18px;width:285px;padding:18px;position:absolute;bottom:17%;left:0}.telemetry-line{border-bottom:1px solid #ffffff17;grid-template-columns:1fr auto;gap:8px;padding:8px 0;display:grid}.telemetry-line:last-child{border-bottom:0}.telemetry-line span{color:#a9b9d0}.telemetry-line strong{color:#fff}.recording-pill{color:var(--ink);box-shadow:var(--shadow);background:#fff;border-radius:999px;padding:12px 15px;font-weight:750;position:absolute;bottom:12%;right:8%}.recording-pill:before{content:"";background:var(--warning);border-radius:50%;width:9px;height:9px;margin-right:8px;display:inline-block}.grid{gap:18px;display:grid}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card{border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);padding:26px;position:relative}.card:hover{border-color:#b9c9bf;box-shadow:0 18px 50px #0d2d2314}.card .number{background:var(--primary-soft);width:34px;height:34px;color:var(--primary-deep);border-radius:10px;justify-content:center;align-items:center;font-weight:800;display:inline-flex}.card p{color:var(--muted);margin-bottom:0}.card-link{text-decoration:none}.card-link:after{content:"";position:absolute;inset:0}.dark-section{background:var(--space);color:#fff}.dark-section .lead,.dark-section .card p{color:#b8c6d9}.dark-section .card{background:var(--space-2);border-color:#ffffff1a}.dark-section .card:hover{border-color:#7ce0b973}.accent-section{background:linear-gradient(135deg, var(--primary-soft), #f9fbf9)}.feature-icon{background:var(--space);color:#fff;border-radius:13px;justify-content:center;align-items:center;width:44px;height:44px;margin-bottom:22px;font-weight:900;display:inline-flex}.screenshot-frame{border:1px solid var(--line);background:var(--space);box-shadow:var(--shadow);border-radius:24px;overflow:hidden}.screenshot-frame img{object-fit:contain;width:100%;height:auto}.screenshot-caption{color:var(--muted);background:#fff;padding:14px 18px;font-size:.88rem}.split{grid-template-columns:1fr 1fr;align-items:center;gap:50px;display:grid}.timeline{grid-template-columns:repeat(4,1fr);gap:18px;display:grid;position:relative}.timeline:before{content:"";background:#bcd5c9;height:1px;position:absolute;top:23px;left:6%;right:6%}.timeline article{padding-top:52px;position:relative}.timeline article:before{content:"";border:5px solid var(--primary-soft);background:var(--primary);border-radius:50%;width:17px;height:17px;position:absolute;top:10px;left:0}.timeline p{color:var(--muted)}.page-hero{background:var(--space);color:#fff}.page-hero .section{padding-top:90px;padding-bottom:76px}.page-hero .lead{color:#bdc9db;max-width:780px}.page-hero h1{max-width:980px;margin-bottom:22px;font-size:clamp(2.5rem,5vw,4.8rem)}.breadcrumb{color:#94a6c2;flex-wrap:wrap;gap:8px;margin-bottom:32px;font-size:.85rem;display:flex}.breadcrumb a{text-decoration:none}.breadcrumb span:before{content:"/";margin-right:8px}.prose{max-width:860px}.prose h2{margin-top:2.2em;font-size:2rem}.prose h3{margin-top:1.8em}.prose p,.prose li{color:#38465a}.prose pre{color:#e7eef9;background:#0b1830;border-radius:14px;padding:18px;overflow:auto}.prose code{font-family:SFMono-Regular,Consolas,monospace}.prose :not(pre)>code{color:#9b2930;background:#edf2f5;border-radius:.35em;padding:.14em .38em}.prose table,.comparison-table{border-collapse:collapse;width:100%;margin:24px 0}.prose th,.prose td,.comparison-table th,.comparison-table td{border:1px solid var(--line);text-align:left;vertical-align:top;padding:13px 14px}.prose th,.comparison-table th{background:var(--soft)}.notice{border-left:4px solid var(--signal);background:#fff9df;border-radius:0 14px 14px 0;padding:20px 22px}.fact-strip{flex-wrap:wrap;gap:12px;margin-top:28px;display:flex}.fact{color:#d6e0ef;border:1px solid #ffffff24;border-radius:10px;padding:10px 13px}.dark-facts .fact{border-color:var(--line);background:var(--soft);color:var(--ink)}.check-list{padding-left:1.25rem}.check-list li{color:#c5d1e2;margin:10px 0}.record-file-list{gap:14px;display:grid}.record-file-list>div{border:1px solid var(--line);background:var(--soft);border-radius:15px;grid-template-columns:auto 1fr;gap:2px 12px;padding:18px;display:grid}.record-file-list strong{overflow-wrap:anywhere;align-self:center}.record-file-list small{color:var(--muted);grid-column:2}.file-type{background:var(--space);color:#fff;border-radius:8px;grid-row:1/3;align-self:center;padding:7px 9px;font-size:.72rem;font-weight:800}.download-note{margin-top:28px}.legal-date{border-top:1px solid var(--line);margin-top:44px;padding-top:18px}.visually-hidden{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.download-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.download-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;flex-direction:column;min-height:360px;padding:26px;display:flex}.download-card.recommended{border-color:var(--primary);box-shadow:0 18px 50px #137a5521}.download-title{align-items:center;gap:14px;margin-bottom:16px;display:flex}.download-title h2{margin:0;font-size:clamp(1.6rem,2.4vw,2.25rem)}.store-icon{border:1px solid var(--line);background:#fff;border-radius:11px;flex:none;width:42px;height:42px;padding:7px}.download-card p{color:var(--muted)}.download-card .button{width:100%;margin-top:auto}.recommended-label{background:var(--primary-soft);width:fit-content;color:var(--primary-deep);border-radius:999px;margin-bottom:10px;padding:5px 8px;font-size:.75rem;font-weight:800;display:none}.download-card.recommended .recommended-label{display:block}.qr-download{width:fit-content;color:var(--ink);text-align:center;flex-direction:column;align-items:center;gap:4px;margin:auto auto 0;text-decoration:none;display:flex}.qr-download img{border:1px solid var(--line);background:#fff;border-radius:14px;width:168px;height:168px;padding:8px}.qr-download strong{color:var(--primary-deep);margin-top:5px}.qr-download small{color:var(--muted)}.qr-download:hover img{border-color:var(--primary);box-shadow:0 12px 30px #137a5521}.help-search{max-width:720px;margin-bottom:30px}.help-search input{border:1px solid var(--line);width:100%;min-height:54px;color:var(--ink);background:#fff;border-radius:13px;padding:0 18px;font-size:1rem}.help-search input:focus{outline:3px solid var(--primary-soft);border-color:var(--primary)}.empty-state{border:1px dashed var(--line);color:var(--muted);border-radius:14px;padding:28px;display:none}.site-footer{color:#fff;background:#061127;padding:56px 24px 22px}.footer-grid{max-width:var(--max);grid-template-columns:2fr 1fr 1fr;gap:40px;margin:0 auto;display:grid}.footer-brand{align-items:flex-start;gap:14px;display:flex}.footer-brand img{border-radius:13px}.footer-brand p{color:#91a4c0;margin:4px 0 0;font-size:.87rem}.footer-links{flex-direction:column;gap:8px;display:flex}.footer-links a{color:#b8c6d9;text-decoration:none}.footer-links a:hover{color:#fff}.footer-meta{max-width:var(--max);color:#8295b0;border-top:1px solid #ffffff17;justify-content:space-between;margin:40px auto 0;padding-top:18px;font-size:.8rem;display:flex}@media (width<=980px){.desktop-nav,.language-menu{display:none}.mobile-menu{display:block}.mobile-menu summary{cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:42px;height:42px;display:flex}.mobile-menu summary span{background:#fff;width:22px;height:2px}.mobile-menu nav{width:230px;box-shadow:var(--shadow);background:#fff;border-radius:14px;padding:10px;position:absolute;top:48px;right:0}.mobile-menu nav a{color:var(--ink);border-radius:8px;padding:10px;text-decoration:none;display:block}.hero-inner{grid-template-columns:1fr;min-height:0}.mission-visual{min-height:500px}.grid.four{grid-template-columns:repeat(2,1fr)}.split{grid-template-columns:1fr}.download-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=680px){.header-inner{min-height:64px;padding:0 16px}.brand img{width:38px;height:38px}.section{padding:64px 18px}.hero-inner{gap:34px;padding:68px 18px 56px}h1{font-size:2.4rem}.hero-copy h1{font-size:2.25rem;line-height:1.16}h2{font-size:2rem}.mission-visual{min-height:400px}.orbit-disc{width:260px}.satellite-card{width:210px}.telemetry-card{width:240px;bottom:9%}.recording-pill{font-size:.8rem;bottom:3%;right:0}.grid.two,.grid.three,.grid.four,.download-grid,.timeline{grid-template-columns:1fr}.timeline:before{width:1px;height:auto;inset:0 auto 0 13px}.timeline article{padding:0 0 0 38px}.timeline article:before{top:3px;left:0}.comparison-scroll{overflow-x:auto}.comparison-table{min-width:720px}.footer-grid{grid-template-columns:1fr}.footer-meta{flex-direction:column;gap:6px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}