.platform-page{margin:0;background:#08121d;color:#e8f1f8;font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;line-height:1.6}.platform-page *{box-sizing:border-box}.platform-page a{color:inherit;text-decoration:none}.platform-page button,.platform-page select{font:inherit}.platform-page .app-header{display:flex;align-items:center;gap:24px;padding:20px max(24px,calc((100vw - 1320px)/2));background:#0b1824;border-bottom:1px solid #ffffff12;min-height:88px}.platform-page .brand{display:flex;flex-direction:column;gap:0}.platform-page .brand strong{font-size:22px;letter-spacing:.08em}.platform-page .brand>span{color:#8da8bd;font-size:12px;letter-spacing:.19em}.platform-page .header-right{display:flex;margin-left:auto;align-items:center}.platform-page .header-right button{border:1px solid #ffffff26;background:#102333;color:#eef9ff;border-radius:6px;cursor:pointer}.platform-page main{max-width:1384px;margin:auto;padding:0 32px}.skip-link{position:absolute;left:12px;top:-100px;background:#fff;color:#102333!important;padding:12px;z-index:100}.skip-link:focus{top:10px}.platform-page a:focus-visible{outline:3px solid #7adfd8;outline-offset:5px}.platform-hero{display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:40px;padding:86px 0 72px;min-height:530px}.overline{font-size:11px;letter-spacing:.17em;color:#6fcfc8;font-weight:700;margin:0 0 22px}.hero-copy h1{font-size:clamp(36px,4.5vw,62px);line-height:1.2;letter-spacing:-.035em;white-space:pre-line;margin:0 0 28px;font-weight:700}.hero-description{color:#a4b9c9;max-width:610px;line-height:1.95;font-size:16px}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}.action{display:inline-flex;align-items:center;justify-content:center;gap:22px;border-radius:7px;padding:13px 22px;min-height:48px;font-size:14px;font-weight:600;transition:transform .2s,background .2s}.action:hover{transform:translateY(-2px)}.action.primary{background:#8ce8d1;color:#092721}.action.secondary{border:1px solid #365065;background:#102030}.hero-note{font-size:12px;color:#829bad;margin-top:20px}.science-visual{position:relative;min-height:390px;background:radial-gradient(ellipse at center,#25686525 0%,transparent 66%);isolation:isolate}.science-visual:before,.science-visual:after{content:"";position:absolute;inset:4%;background-image:linear-gradient(#6dacc50a 1px,transparent 1px),linear-gradient(90deg,#6dacc50a 1px,transparent 1px);background-size:32px 32px;mask-image:radial-gradient(ellipse,black,transparent 70%);z-index:-1}.orbit{position:absolute;left:50%;top:47%;width:90%;height:45%;border:1px solid #64cdd94d;border-radius:50%;transform:translate(-50%,-50%) rotate(-25deg)}.orbit-two{transform:translate(-50%,-50%) rotate(42deg);border-color:#99a0fa4a}.orbit-three{transform:translate(-50%,-50%) rotate(95deg);border-color:#8dd6b43a}.science-core{position:absolute;left:50%;top:47%;transform:translate(-50%,-50%);width:146px;height:146px;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:50%;border:1px solid #6fcfc861;background:radial-gradient(circle at 35% 25%,#24545e,#0b202f 72%);box-shadow:0 0 60px #5bcebd12,inset 0 0 30px #70dcd712}.science-core span{font-size:30px;font-weight:600;letter-spacing:.2em;padding-left:.2em}.science-core small{font-size:9px;letter-spacing:.2em;color:#8bc8ce;margin-top:10px}.satellite{position:absolute;width:44px;height:44px;border:1px solid #548295;background:#112b3c;border-radius:50%;display:grid;place-items:center;color:#94d9d7;font-family:Georgia,serif;font-size:22px}.sat-one{left:12%;top:51%}.sat-two{right:19%;top:18%}.sat-three{right:15%;bottom:19%}.visual-caption{position:absolute;bottom:0;left:0;right:0;text-align:center;font-size:9px;color:#628291;letter-spacing:.2em}.platform-section{padding:46px 0 30px;border-top:1px solid #ffffff12}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:26px}.section-heading h2,.exploration-method h2{font-size:26px;line-height:1.4;margin:0}.section-heading .overline{margin-bottom:12px}.section-heading>p,.section-heading>.text-link{font-size:13px;color:#8da6b9;margin:0}.domain-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.domain-card{border:1px solid #263c4c;background:linear-gradient(155deg,#142735,#0e1b28);border-radius:12px;padding:21px 18px;display:flex;flex-direction:column;min-height:280px;transition:border-color .2s,transform .2s}.domain-card:hover{border-color:#76bcba;transform:translateY(-4px)}.domain-mechanism{--domain:#7cdecc}.domain-math{--domain:#b4a0ed}.domain-physics{--domain:#77bae6}.domain-life{--domain:#9cc880}.domain-cosmos{--domain:#deac78}.card-top{display:flex;align-items:center;justify-content:space-between;gap:6px;margin-bottom:34px}.domain-number{font-size:13px;letter-spacing:.1em;color:var(--domain,#7ccdc4)}.status{font-size:10px;letter-spacing:.02em;color:#9bb4c4;border:1px solid #3b5260;padding:3px 7px;border-radius:4px}.domain-card h3{font-size:21px;margin:0}.domain-english{font-size:11px;color:var(--domain);margin:5px 0 13px}.domain-description{font-size:13px;color:#9ab1c2;line-height:1.85;margin:0 0 24px}.card-bottom{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#c4d8e5;gap:8px}.feature-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.feature-card{padding:26px;border:1px solid #293b4a;border-radius:10px;background:#0f1d2b;display:flex;flex-direction:column}.feature-card:hover{background:#152936;border-color:#567982}.feature-card .overline{font-size:10px;color:#7faaa9;margin-bottom:25px}.feature-card h3{font-size:19px;margin:0 0 12px}.feature-card p{font-size:13px;color:#99afc0;margin:0 0 28px;line-height:1.9}.feature-link{font-size:12px;color:#8cdfce;margin-top:auto}.exploration-method{margin:50px 0 70px;padding:38px 40px;border:1px solid #274453;border-radius:12px;background:linear-gradient(115deg,#142a35,#10202d)}.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:34px}.method-grid article>span{font-size:12px;color:#719aab}.method-grid h3{font-size:17px;margin:8px 0}.method-grid p{font-size:13px;color:#9bb2c3;margin:0}.platform-footer{display:flex;justify-content:space-between;gap:30px;align-items:center;padding:30px max(32px,calc((100vw - 1320px)/2));border-top:1px solid #ffffff12;background:#0a1621}.platform-footer strong{font-size:15px;letter-spacing:.06em}.platform-footer p{font-size:12px;color:#7f9bad;margin:6px 0 0}.platform-footer nav{display:flex;gap:24px;flex-wrap:wrap;font-size:12px;color:#9cb4c6}.coming-hero{padding:56px 0 46px}.text-link{font-size:13px;color:#8ccecc!important}.coming-heading{display:flex;justify-content:space-between;align-items:center;gap:30px;margin-top:55px}.coming-heading h1{font-size:clamp(38px,5vw,64px);line-height:1.2;margin:0 0 24px}.coming-heading .overline{color:var(--domain)}.coming-badge{padding:14px 26px;border:1px solid #3b5368;border-radius:30px;color:var(--domain);white-space:nowrap;background:#152432}.coming-note{max-width:760px;font-size:14px;color:#91aabb;border-left:2px solid var(--domain);padding:6px 20px;margin-top:30px}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.topic-card{padding:28px;border:1px solid #2c4050;background:#101f2c;border-radius:10px}.topic-card h3{font-size:21px;margin:25px 0 20px}.coming-cta{margin:55px 0 75px;border-top:1px solid #ffffff14;padding-top:35px}.coming-cta h2{font-size:25px}.coming-cta p{font-size:14px;color:#9eb4c4;max-width:720px;margin-bottom:26px}@media(max-width:1100px){.domain-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.platform-hero{gap:15px}.science-visual{min-height:320px}.card-top{margin-bottom:24px}}@media(max-width:700px){.platform-page main{padding:0 20px}.platform-hero{grid-template-columns:1fr;padding:50px 0 35px;gap:16px}.science-visual{min-height:260px;max-width:420px;width:100%;margin:auto}.science-core{width:116px;height:116px}.science-core span{font-size:25px}.hero-copy h1{font-size:38px}.hero-description{font-size:14px}.domain-grid,.feature-grid,.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.section-heading{align-items:start;flex-direction:column;gap:12px}.section-heading h2{font-size:23px}.domain-card{padding:19px 15px;min-height:260px}.card-top{flex-wrap:wrap}.exploration-method{padding:28px 22px}.method-grid{grid-template-columns:1fr;gap:24px}.platform-footer{align-items:start;flex-direction:column;padding:26px 20px}.platform-footer nav{gap:18px}.coming-heading{align-items:start;flex-direction:column;gap:16px;margin-top:40px}.coming-heading h1{font-size:42px}.coming-heading .hero-description{margin-bottom:0}.coming-badge{padding:7px 17px;font-size:13px}.topic-grid{grid-template-columns:1fr}.coming-hero{padding-top:30px}}@media(max-width:420px){.domain-grid,.feature-grid{grid-template-columns:1fr}.domain-card{min-height:210px}.card-top{margin-bottom:18px}.hero-copy h1{font-size:34px}.feature-card{padding:23px}.hero-actions{gap:10px}.action{padding:12px 16px}.science-visual{min-height:230px}}