:root{color-scheme:dark;--ink:#f4edff;--purple:#c0a4ff;--surface:#110e1b;--muted:#a297b5;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;background:#07060d;color:var(--ink)}.orbit-page{position:relative;max-width:510px;min-height:100svh;width:100%;margin:auto;background:var(--surface);padding-bottom:calc(140px + env(safe-area-inset-bottom));overflow:hidden}.topbar{display:flex;align-items:center;justify-content:space-between;padding:24px 25px 15px;gap:16px}.identity{display:flex;align-items:center;gap:11px}.brand-symbol{font-size:2rem;font-weight:600;color:var(--purple)}.identity b{font-size:1.125rem;letter-spacing:3px;font-weight:550}.identity small{display:block;margin-top:5px;font-size:.75rem;letter-spacing:.6px;color:#9386a9}.top-note{color:#8a7b9e;font-size:.75rem;line-height:1.7;letter-spacing:3px}.stage{padding-top:10px}.stage-kicker{text-align:center;margin:10px 15px 0;font-size:.75rem;letter-spacing:1.1px;color:#89799f}.orbital-art{height:272px;margin:0;position:relative}.orbital-art img{width:100%;height:100%;display:block;object-fit:cover;object-position:center}.orbital-art:after{content:"";position:absolute;inset:0;background:linear-gradient(var(--surface),transparent 19%,transparent 76%,var(--surface))}.stage-copy{padding:0 28px;position:relative;margin-top:-9px}.chinese-kicker{color:var(--purple);font-size:.8125rem;letter-spacing:3px;margin:0 0 15px}h1{font-size:clamp(2.65rem,12vw,3.75rem);font-weight:550;line-height:1.19;letter-spacing:1px;margin:0}h1 span{color:var(--purple)}h1 i{font-style:normal;color:#e6ddf5}.intro{font-size:1rem;line-height:1.85;margin:19px 0 0;color:#a99cbb}.concepts{margin:31px 24px 20px}.concepts-label{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-bottom:15px;font-size:.75rem;color:#9281aa;letter-spacing:.4px}.concept-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid #443452;border-radius:16px;background:#1a1426;overflow:hidden}.concept-grid article{padding:15px 10px 16px;min-width:0}.concept-grid article+article{border-left:1px solid #443452}.concept-index{color:#8a71ab;font-size:.75rem}.concept-grid h2{font-weight:500;font-size:.9375rem;margin:10px 0 6px}.concept-grid p{font-size:.75rem;line-height:1.8;margin:0;color:#ad9bc2}footer{padding:0 25px 15px;font-size:.75rem;color:#776587;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}.entry-dock{position:fixed;z-index:10;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:510px;background:#110e1bf5;border-top:1px solid #3b2d4b;padding:15px 24px calc(13px + env(safe-area-inset-bottom));backdrop-filter:blur(16px)}.entry-link{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:57px;border-radius:32px;padding:9px 10px 9px 25px;background:#c0a4ff;color:#25133d;text-decoration:none;font-weight:600;font-size:1.0625rem;letter-spacing:2px}.button-icon{display:grid;place-items:center;width:39px;height:39px;border-radius:50%;background:#27173f;color:#d9c5ff;flex:none}.button-icon svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.6}.entry-dock>p:last-child{text-align:center;font-size:.75rem;letter-spacing:2px;margin:10px 0 0;color:#9080a5}.entry-status{font-size:.875rem;line-height:1.6;margin:0 0 12px;color:#dbcbf1}.entry-link:hover{background:#d0baff}.entry-link:focus-visible{outline:3px solid #f2e9ff;outline-offset:4px}@media(min-width:600px){body{padding:22px 0}.orbit-page{border:1px solid #332443;border-radius:26px 26px 0 0}.orbital-art{height:310px}}@media(max-width:360px){.topbar{padding-inline:19px}.stage-copy{padding-inline:22px}.orbital-art{height:233px}.concepts{margin-inline:17px}.concept-grid article{padding-inline:8px}.stage-kicker{letter-spacing:.4px}.entry-dock{padding-inline:18px}}