:root{color:#172027;font-synthesis:none;text-rendering:optimizelegibility;background:#eef2f4;font-family:Avenir Next,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html{background:#eef2f4;min-width:320px}body{min-width:320px;min-height:100vh;margin:0}a,button{font:inherit}a{color:inherit}.preview-page{--ink:#172027;--muted:#708087;--line:#d7e1e4;--teal:#0e8793;--teal-dark:#07515d;background-color:#eef2f4;background-image:linear-gradient(#0e87930a 1px,#0000 1px),linear-gradient(90deg,#0e87930a 1px,#0000 1px),none;background-position:0 0,0 0,0 0;background-repeat:repeat,repeat,repeat;background-size:28px 28px;background-attachment:scroll,scroll,scroll;background-origin:padding-box,padding-box,padding-box;background-clip:border-box,border-box,border-box}.preview-header{isolation:isolate;color:#fff;background:linear-gradient(135deg,#1496a3,#07515d 75%);padding:34px max(28px,50% - 590px) 70px;position:relative;overflow:hidden}.preview-header:before,.preview-header:after{pointer-events:none;content:"";position:absolute}.preview-header:before{z-index:-2;opacity:.3;background:linear-gradient(90deg,#0000,#ffffff14),linear-gradient(#ffffff21 1px,#0000 1px) 0 0/42px 42px,linear-gradient(90deg,#ffffff21 1px,#0000 1px) 0 0/42px 42px;inset:0 0 0 42%;-webkit-mask-image:linear-gradient(90deg,#0000 0%,#000 30% 100%);mask-image:linear-gradient(90deg,#0000 0%,#000 30% 100%)}.preview-header:after{z-index:-1;aspect-ratio:1;opacity:.5;background:radial-gradient(circle at 50% 50%, #d2ffff3d 0 2px, transparent 3px), radial-gradient(circle at 18% 25%, #d2ffffe6 0 2px, transparent 3px), radial-gradient(circle at 79% 34%, #d2ffffb8 0 2px, transparent 3px), radial-gradient(circle at 68% 80%, #d2ffffcc 0 2px, transparent 3px), radial-gradient(circle at center, transparent 0 29%, #d2ffff38 29.2% 29.6%, transparent 30%), radial-gradient(circle at center, transparent 0 53%, #d2ffff29 53.2% 53.5%, transparent 53.9%), repeating-conic-gradient(from 12deg, #d2ffff2e 0 1deg, transparent 1deg 24deg);border:1px solid #dcffff4d;border-radius:50%;width:min(34vw,480px);top:50%;right:max(5vw,50% - 630px);transform:translateY(-42%);box-shadow:0 0 0 20px #d2ffff09,0 0 0 21px #d2ffff1f,0 0 70px #77f0f22e}.preview-header__top,.preview-header__copy,.preview-main{width:min(1180px,100%);margin:0 auto}.preview-header__top,.preview-header__copy{z-index:1;position:relative}.preview-header__top{justify-content:space-between;align-items:center;gap:24px;display:flex}.preview-brand{color:#ffffffd1;letter-spacing:.18em;font-family:SFMono-Regular,Consolas,monospace;font-size:13px;text-decoration:none}.preview-header__copy{margin-top:76px}.preview-eyebrow,.blueprint-eyebrow,.platform-file{color:var(--teal);letter-spacing:.16em;text-transform:uppercase;font-family:SFMono-Regular,Consolas,monospace;font-size:11px}.preview-eyebrow{color:#ffffffb3}.preview-header h1{letter-spacing:.02em;max-width:760px;margin:18px 0 0;font-family:Songti SC,STSong,serif;font-size:clamp(40px,6vw,72px);line-height:1.08}.preview-header p{color:#ffffffc2;max-width:720px;margin:22px 0 0;font-size:16px;line-height:1.8}.preview-main{padding:30px 0 100px}.platform-blueprint-list{gap:30px;display:grid}.platform-blueprint{background:#fff;border-radius:22px;padding:34px;box-shadow:0 20px 48px #07515d1a}.platform-blueprint__header{justify-content:space-between;gap:30px;margin-bottom:30px;display:flex}.platform-blueprint h2{color:var(--ink);margin:9px 0 0;font-family:Songti SC,STSong,serif;font-size:32px}.platform-blueprint p{color:var(--muted);margin:12px 0 0;line-height:1.75}.version-badge{justify-items:end;gap:5px;min-width:132px;display:grid}.version-badge strong{color:var(--teal-dark);font-family:monospace;font-size:25px}.version-badge span{color:#8b9ca1;font-size:11px}.platform-grid{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.platform-card{background:linear-gradient(150deg,#fbffff,#f3f8f8);border:1px solid #dce6e8;border-radius:15px;padding:20px}.platform-card__top{justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;display:flex}.platform-card__top>span{color:#93a2a6;font-size:11px}.platform-name{color:#36535a;align-items:center;gap:10px;font-size:15px;font-weight:700;display:inline-flex}.platform-name__icon{width:28px;height:28px;color:var(--teal);border:1px solid #b4d9dc;border-radius:9px;place-items:center;font-size:16px;display:grid}.platform-files{gap:8px;display:grid}.preview-file{color:inherit;background:#fff;border:1px solid #d9e5e7;border-radius:9px;grid-template-columns:minmax(260px,1fr) minmax(210px,.8fr) auto 24px;align-items:center;gap:16px;padding:13px 15px;text-decoration:none;transition:transform .16s,border-color .16s,box-shadow .16s;display:grid}.preview-file:hover{border-color:#7bc2c7;transform:translateY(-1px);box-shadow:0 8px 20px #07515d14}.preview-file__name{color:#1f4148;text-overflow:ellipsis;white-space:nowrap;font-family:monospace;font-size:12px;overflow:hidden}.preview-file__description{color:var(--muted);font-size:12px}.preview-file__size{color:#8da0a4;font-size:11px}.preview-file__arrow{color:var(--teal);text-align:right;font-size:19px}.platform-files--compact .preview-file{grid-template-columns:1fr 20px;gap:8px;padding:12px}.platform-files--compact .preview-file__description,.platform-files--compact .preview-file__size{grid-column:1}.platform-files--compact .preview-file__description{grid-row:2}.platform-files--compact .preview-file__size{grid-row:3}.platform-files--compact .preview-file__arrow{grid-area:1/2/span 3}.blueprint-footer{justify-content:flex-end;margin-top:24px;display:flex}.history-link,.back-link{color:var(--teal);font-size:13px;font-weight:700;text-decoration:none}.history-link:hover,.back-link:hover{color:var(--teal-dark)}.site-footer{text-align:center;max-width:1160px;margin:-12px auto 0;padding:0 24px 42px}.site-footer a{color:#8b9ca1;font-size:12px;text-decoration:none}.site-footer a:hover{color:var(--teal-dark);text-decoration:underline}.history-main{max-width:920px}.back-link{margin-bottom:25px;display:inline-block}.history-version-list{gap:22px;display:grid}.history-version{background:#fff;border:1px solid #d9e4e6;border-radius:18px;padding:30px;box-shadow:0 16px 35px #07515d12}.history-version__header{justify-content:space-between;align-items:baseline;gap:20px;display:flex}.history-version h2{color:var(--teal-dark);margin:0;font-family:monospace;font-size:25px}.history-version__header span{color:#8b9ca1;font-size:12px}.history-system{border-top:1px solid #e1eaec;grid-template-columns:150px minmax(0,1fr);gap:22px;margin-top:20px;padding-top:20px;display:grid}@media (width<=800px){.preview-header{padding:24px 18px 48px}.preview-header:before{opacity:.16;inset:0}.preview-header:after{display:none}.preview-header__copy{margin-top:48px}.preview-main{padding:30px 15px 70px}.site-footer{padding:0 15px 30px}.platform-blueprint{padding:23px 18px}.platform-blueprint__header{display:block}.platform-blueprint__header .version-badge{justify-items:start;margin-top:22px}.platform-grid{grid-template-columns:1fr}.history-system{grid-template-columns:1fr;gap:14px}.preview-file{grid-template-columns:1fr auto;gap:5px 12px}.preview-file__description{grid-area:2/1}.preview-file__size{grid-area:3/1}.preview-file__arrow{grid-area:1/2/span 3}}