:root{color-scheme:light;--ya-font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;--ya-font-body: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;--ya-font-ui: "Noto Sans SC", "Source Han Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--ya-font-mono: "JetBrains Mono", "SFMono-Regular", Menlo, ui-monospace, monospace;--bg: #f6f1e7;--surface: #fffdf7;--surface-muted: #f2ede3;--surface-strong: #e7e2d8;--ink: #25221d;--ink-soft: #3f3a32;--ink-muted: #5f6259;--ink-faint: #9b9385;--rule: #c8bdaa;--rule-soft: #e9e0d1;--accent: #a84a3a;--accent-muted: #f4d9d1;--accent-contrast: #fffdf7;--mountain: #7f9188;--mist: #dce3de;--hydro-cyan: #23aeb6;--black: 37, 34, 29;--gray: 95, 98, 89;--gray-light: 200, 189, 170;--gray-dark: 52, 48, 39;--header-height: 5rem;--footer-ticker-height: 2.5rem;--rail-width: 7.5rem;--ya-screen-max: 100rem;--ya-page-max: 88rem;--ya-read-max: 43rem;--ya-margin-page: max(2rem, 5vw);--ya-section-gap: clamp(4rem, 9vw, 9rem);--ya-item-gap: clamp(2rem, 4vw, 4.5rem);--ya-radius-sm: .125rem;--ya-radius-md: .25rem;--ya-radius-lg: .5rem;--shadow-paper: 0 18px 42px -34px rgba(92, 76, 52, .35);--shadow-mica: 0 8px 26px -22px rgba(92, 76, 52, .45);--focus-ring: color-mix(in srgb, var(--accent) 72%, var(--surface) 28%);--ya-motion-fast: .18s cubic-bezier(.2, .8, .2, 1);--ya-motion-slow: .7s cubic-bezier(.16, 1, .3, 1);--z-rail: 35;--z-sticky: 50;--z-docked: 70}html.dark{color-scheme:dark;--bg: #151410;--surface: #211f1a;--surface-muted: #2b2922;--surface-strong: #363227;--ink: #efe8d8;--ink-soft: #ddd5c5;--ink-muted: #b8b09f;--ink-faint: #81796c;--rule: #5a5346;--rule-soft: #363227;--accent: #d07461;--accent-muted: #512c24;--accent-contrast: #151410;--mountain: #53645d;--mist: #2f3a36;--hydro-cyan: #50bdc2;--shadow-paper: 0 22px 54px -36px rgba(0, 0, 0, .72);--shadow-mica: 0 12px 34px -24px rgba(0, 0, 0, .64);--focus-ring: color-mix(in srgb, var(--accent) 78%, var(--ink) 22%)}*,*:before,*:after{box-sizing:border-box;min-width:0}html{background:var(--bg);scroll-behavior:smooth}body{min-height:100vh;margin:0;color:var(--ink);background:radial-gradient(circle at 92% 4rem,color-mix(in srgb,var(--rule) 28%,transparent) 0 .05rem,transparent 16rem),radial-gradient(circle at 13% 12rem,color-mix(in srgb,var(--hydro-cyan) 16%,transparent) 0 .14rem,transparent .22rem),linear-gradient(90deg,transparent 0 calc(var(--rail-width) - 1px),color-mix(in srgb,var(--rule) 45%,transparent) calc(var(--rail-width) - 1px) var(--rail-width),transparent var(--rail-width)),var(--bg);font-family:var(--ya-font-body);font-size:16px;line-height:1.82;-webkit-font-smoothing:antialiased;overflow-x:hidden;overflow-wrap:break-word;word-wrap:break-word}body:before,body:after{position:fixed;inset:0;z-index:-1;pointer-events:none;content:""}body:before{opacity:.72;background-image:linear-gradient(90deg,transparent 0,transparent calc(100% - 1px),color-mix(in srgb,var(--rule-soft) 42%,transparent) calc(100% - 1px)),linear-gradient(0deg,transparent 0,transparent calc(100% - 1px),color-mix(in srgb,var(--rule-soft) 30%,transparent) calc(100% - 1px));background-size:7.5rem 7.5rem;mask-image:linear-gradient(180deg,black 0,transparent 74%)}body:after{opacity:.3;background-image:radial-gradient(circle,color-mix(in srgb,var(--ink) 18%,transparent) 0 .04rem,transparent .05rem),radial-gradient(circle,color-mix(in srgb,var(--surface) 76%,transparent) 0 .04rem,transparent .05rem);background-position:0 0,17px 23px;background-size:41px 43px,53px 47px}::selection{color:var(--accent-contrast);background:var(--accent)}:focus-visible{outline:2px solid var(--focus-ring);outline-offset:3px}a{color:var(--accent);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.24em;transition:color var(--ya-motion-fast),text-decoration-color var(--ya-motion-fast)}a:hover{color:var(--ink)}p{margin:0 0 1em}h1,h2,h3,h4,h5,h6{margin:0 0 .55em;color:var(--ink);font-family:var(--ya-font-display);font-weight:700;line-height:1.08;letter-spacing:0;text-wrap:balance}h1{font-size:clamp(3rem,8vw,7.5rem)}h2{font-size:clamp(2rem,4.5vw,4rem)}h3{font-size:clamp(1.35rem,2.2vw,2rem)}h4{font-size:1.12rem}h5{font-size:1rem}strong,b{font-weight:700}textarea,input,button{font:inherit}textarea,input{width:100%;font-size:16px}table{display:block;width:100%;max-width:100%;overflow-x:auto;border-collapse:collapse}img,video,iframe,embed,object{max-width:100%;height:auto}img{border-radius:var(--ya-radius-lg)}code{padding:.12em .36em;border:1px solid var(--rule-soft);border-radius:var(--ya-radius-sm);background:var(--surface-muted);color:var(--ink);font-family:var(--ya-font-mono);font-size:.88em}pre{overflow-x:auto;padding:1.35em 1.5em;border:1px solid var(--rule);border-radius:var(--ya-radius-lg);background:color-mix(in srgb,var(--ink) 92%,#000 8%);color:var(--surface);box-shadow:var(--shadow-paper)}pre>code{all:unset;color:inherit;font-family:var(--ya-font-mono);font-size:.9em}blockquote{margin:1.8em 0;padding:.85em 0 .85em 1.4em;border-left:1px solid var(--accent);color:var(--ink-muted);font-size:1.08em}hr{margin:3rem 0;border:none;border-top:1px solid var(--rule)}.site-rail{position:fixed;left:0;top:var(--header-height);bottom:var(--footer-ticker-height);z-index:var(--z-rail);display:grid;grid-template-rows:max-content max-content max-content 1fr max-content;justify-items:center;width:var(--rail-width);padding:2rem 0;border-right:1px solid color-mix(in srgb,var(--rule) 44%,transparent);color:var(--ink-faint);font-family:var(--ya-font-mono);font-size:.62rem;letter-spacing:.22em;pointer-events:none;text-transform:uppercase}.site-rail__mark{display:grid;justify-items:center;gap:.7rem;margin-bottom:2.2rem;color:var(--ink);font-size:.72rem;font-weight:700;letter-spacing:.12em}.site-rail__mark i{display:block;width:.34rem;height:.34rem;border-radius:999px;background:var(--hydro-cyan)}.site-rail__top,.site-rail__middle,.site-rail__bottom{display:grid;gap:.65rem;writing-mode:vertical-rl}.site-rail__top{color:var(--ink-muted);font-size:.58rem;line-height:1;opacity:.82;transform:rotate(180deg)}.site-rail__middle{margin-top:2.2rem;color:var(--ink);font-weight:700}.site-rail__bottom{writing-mode:initial;transform:rotate(-90deg);width:8.5rem;color:var(--ink-soft);font-size:.7rem;letter-spacing:.05em;text-transform:none}.site-rail__line{position:relative;width:1px;min-height:8rem;margin:2.5rem 0;background:color-mix(in srgb,var(--rule) 55%,transparent)}.site-rail__line:before,.site-rail__line:after{position:absolute;left:50%;width:.34rem;height:.34rem;border-radius:999px;background:var(--hydro-cyan);transform:translate(-50%);content:""}.site-rail__line:before{top:0}.site-rail__line:after{bottom:0;background:var(--accent)}.layout-main{width:min(var(--ya-page-max),calc(100% - (var(--ya-margin-page) * 2)));margin:0 auto;padding:calc(var(--header-height) + clamp(3rem,7vw,6rem)) 0 calc(var(--footer-ticker-height) + clamp(5rem,8vw,7rem))}.layout-main--home{width:min(var(--ya-screen-max),calc(100% - (var(--ya-margin-page) * 2)))}.layout-main--headed{width:min(62rem,calc(100% - (var(--ya-margin-page) * 2)))}.mobile-orbit{position:fixed;left:50%;bottom:calc(var(--footer-ticker-height) + 1rem);z-index:calc(var(--z-docked) - 1);display:none;align-items:center;gap:.6rem;padding:.46rem;border:1px solid color-mix(in srgb,var(--rule) 70%,transparent);border-radius:999px;background:color-mix(in srgb,var(--surface) 88%,transparent);box-shadow:var(--shadow-mica);backdrop-filter:blur(12px);transform:translate(-50%)}.mobile-orbit__item{display:grid;place-items:center;gap:.08rem;min-width:3.15rem;min-height:2.7rem;padding:.28rem .66rem;border-radius:999px;color:var(--ink-faint);font-family:var(--ya-font-mono);text-decoration:none;transition:color var(--ya-motion-fast),background var(--ya-motion-fast),transform var(--ya-motion-fast)}.mobile-orbit__item span{font-size:.58rem;line-height:1}.mobile-orbit__item strong{font-size:.62rem;font-weight:700;letter-spacing:.08em;line-height:1}.mobile-orbit__item--active{border-radius:var(--ya-radius-sm);background:var(--accent);color:var(--accent-contrast)}.mobile-orbit__item:hover,.mobile-orbit__item:focus-visible{color:var(--accent);transform:translateY(-1px)}.mobile-orbit__item--active:hover,.mobile-orbit__item--active:focus-visible{color:var(--accent-contrast)}.page-shell{display:grid;gap:clamp(2.2rem,5vw,4.5rem)}.page-shell--home{gap:var(--ya-section-gap)}.page-heading{position:relative;display:grid;gap:1rem;padding-bottom:1.5rem;border-bottom:1px solid var(--rule)}.page-heading:before{width:3.8rem;height:1px;background:var(--rule);content:""}.page-heading:after{position:absolute;bottom:-3px;left:0;width:.45rem;height:.45rem;background:var(--accent);content:""}.page-heading h1{margin-bottom:.05em}.page-meta,.home-panel-label,.post-feed__readmore,.pagination{font-family:var(--ya-font-mono);letter-spacing:.1em;text-transform:uppercase}.page-meta{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem;margin-bottom:.6rem;color:var(--ink-faint);font-size:.78rem}.page-content{display:grid;gap:clamp(2rem,4vw,3.5rem)}.prose{max-width:var(--ya-read-max);margin:0 auto;color:var(--ink-soft);font-size:clamp(1.05rem,1.1vw,1.13rem);line-height:1.95}.prose>*+*{margin-top:1.2em}.site-progress{position:fixed;right:clamp(1.5rem,3.4vw,2.9rem);top:50%;z-index:var(--z-rail);display:grid;gap:.9rem;color:var(--ink-faint);font-family:var(--ya-font-mono);font-size:.62rem;line-height:1;pointer-events:none;transform:translateY(-50%)}.site-progress__active{display:inline-flex;align-items:center;gap:.55rem;color:var(--accent);font-weight:700}.site-progress__active em{font-style:normal}.site-progress__active i{width:.34rem;height:.34rem;border-radius:var(--ya-radius-sm);background:var(--accent)}.back-to-top{position:fixed;right:clamp(1rem,2.5vw,2rem);bottom:calc(var(--footer-ticker-height) + 1.4rem);z-index:calc(var(--z-docked) - 1);display:inline-flex;align-items:center;justify-content:center;width:2.75rem;height:2.75rem;border:1px solid color-mix(in srgb,var(--rule) 70%,transparent);border-radius:var(--ya-radius-lg);background:color-mix(in srgb,var(--bg) 86%,transparent);color:var(--ink);font-family:var(--ya-font-mono);text-decoration:none;box-shadow:none;backdrop-filter:blur(8px);transition:color var(--ya-motion-fast),border-color var(--ya-motion-fast),transform var(--ya-motion-fast)}.back-to-top:hover,.back-to-top:focus-visible{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}.home-prototype{position:relative;display:grid;grid-template-columns:minmax(0,5fr) minmax(26rem,7fr);gap:clamp(3rem,6vw,5.2rem);align-items:center;min-height:clamp(38rem,calc(100svh - var(--header-height)),49rem);padding:clamp(3rem,7vw,5.5rem) 0 clamp(5rem,8vw,7rem)}.home-prototype:before,.home-prototype:after{position:absolute;z-index:-1;background:color-mix(in srgb,var(--rule) 48%,transparent);content:""}.home-prototype:before{left:20%;top:15%;width:7.5rem;height:1px}.home-prototype:after{right:44%;top:39%;width:1px;height:13rem;opacity:.55}.home-prototype__copy{position:relative;z-index:1;display:grid;align-content:center;gap:0;padding-left:clamp(0rem,1.2vw,.9rem)}.home-coordinate{display:inline-flex;align-items:center;gap:1rem;margin-bottom:clamp(1.3rem,3.2vw,2.2rem);color:var(--ink-muted);font-family:var(--ya-font-mono);font-size:clamp(.58rem,.8vw,.68rem);line-height:1}.home-coordinate i{width:2rem;height:1px;background:color-mix(in srgb,var(--rule) 84%,transparent)}.home-title{margin:0}.home-title span,.home-title strong{display:block;color:var(--ink)}.home-title span{font-family:var(--ya-font-display);font-size:clamp(5.6rem,10.7vw,9rem);font-weight:700;line-height:.86;letter-spacing:0;text-transform:uppercase}.home-title strong{margin-top:.28rem;font-size:clamp(3.4rem,6.8vw,5.6rem);font-weight:700;line-height:1;letter-spacing:0}.home-lead{max-width:27rem;margin:clamp(1.8rem,3vw,2.35rem) 0 0;color:var(--ink-soft);font-size:clamp(1.04rem,1.25vw,1.18rem);line-height:2;text-wrap:pretty}.home-signature{display:flex;flex-wrap:wrap;align-items:center;gap:.95rem;margin-top:clamp(1.5rem,2.8vw,2.1rem);color:var(--ink-muted);font-family:var(--ya-font-mono);font-size:.62rem;line-height:1.3}.home-signature i{width:1px;height:1rem;background:color-mix(in srgb,var(--rule) 78%,transparent)}.home-signature strong{color:var(--mist);font-weight:700}.home-visual{position:relative;justify-self:end;z-index:1;width:min(100%,35rem);min-height:clamp(27rem,40vw,34rem);display:flex;align-items:center;justify-content:flex-end}.home-visual__orbit{position:absolute;left:-3.2rem;top:50%;z-index:-1;display:grid;place-items:center;width:clamp(11rem,18vw,16rem);aspect-ratio:1;border:1px dashed color-mix(in srgb,var(--rule) 58%,transparent);border-radius:999px;color:var(--ink-muted);font-family:var(--ya-font-mono);font-size:.62rem;line-height:1.55;transform:translateY(-50%)}.home-visual__orbit span{display:block;text-align:center}.home-visual__frame{position:relative;overflow:hidden;width:90%;height:clamp(24rem,35vw,30.5rem);margin:0;border-radius:var(--ya-radius-sm);background:color-mix(in srgb,var(--surface-muted) 84%,var(--bg) 16%);box-shadow:0 22px 42px -36px #25221d6b;mask-image:radial-gradient(circle at center,black 44%,transparent 100%)}.home-visual__frame:before{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,color-mix(in srgb,var(--bg) 20%,transparent),transparent 22% 76%,color-mix(in srgb,var(--bg) 28%,transparent)),radial-gradient(circle at 50% 42%,transparent 0 42%,color-mix(in srgb,var(--bg) 36%,transparent) 84%);pointer-events:none;content:""}.home-visual__frame img{display:block;width:100%;height:100%;border-radius:0;object-fit:cover;object-position:center center;opacity:.86;filter:grayscale(1) saturate(.25) contrast(.94);mix-blend-mode:multiply}.home-visual__frame:hover img{filter:grayscale(.68) saturate(.45) contrast(1.02);transform:scale(1.015)}.home-visual__frame img{transition:filter var(--ya-motion-slow),transform var(--ya-motion-slow)}html.dark .home-visual__frame{background:color-mix(in srgb,var(--surface-muted) 72%,#000 28%);box-shadow:0 24px 50px -34px #000000b8}html.dark .home-visual__frame:before{background:linear-gradient(180deg,color-mix(in srgb,var(--bg) 38%,transparent),transparent 24% 72%,color-mix(in srgb,var(--bg) 36%,transparent)),radial-gradient(circle at 50% 42%,transparent 0 46%,color-mix(in srgb,var(--bg) 52%,transparent) 86%)}html.dark .home-visual__frame img{opacity:.62;filter:grayscale(1) saturate(.22) contrast(.86) brightness(.82);mix-blend-mode:screen}.home-visual__meta{position:absolute;right:1rem;top:1rem;display:grid;justify-items:end;color:var(--ink-muted);font-family:var(--ya-font-mono);font-size:.62rem;line-height:1.4;text-transform:uppercase}.home-visual__depth{position:absolute;right:25%;bottom:2.2rem;color:var(--ink-muted);font-family:var(--ya-font-mono);font-size:.62rem;text-transform:uppercase}.home-visual__tick{position:absolute;right:0;width:1.05rem;height:1px;background:var(--ink)}.home-visual__tick--top{top:28%}.home-visual__tick--middle{top:50%;width:2rem;background:color-mix(in srgb,var(--rule) 84%,transparent)}.home-visual__tick--bottom{bottom:27%}.home-divider{position:relative;height:1px;margin:0;background:color-mix(in srgb,var(--rule) 62%,transparent)}.home-divider i{position:absolute;left:0;top:0;width:3rem;height:1px;background:var(--ink)}.home-info{position:relative;display:grid;grid-template-columns:minmax(0,2fr) minmax(16rem,1fr) minmax(17rem,1fr);gap:0;align-items:stretch;padding:clamp(2.8rem,5vw,4rem) 0;border-block:1px solid color-mix(in srgb,var(--rule) 44%,transparent)}.home-roles{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));min-height:16rem}.home-role{position:relative;display:grid;align-content:center;justify-items:center;gap:.35rem;min-height:100%;padding:1rem;color:inherit;text-decoration:none;text-align:center}.home-role:not(:last-child){border-right:1px solid color-mix(in srgb,var(--rule) 38%,transparent)}.home-role:before{position:absolute;top:3.1rem;bottom:3.1rem;left:0;width:1px;background:color-mix(in srgb,var(--rule) 20%,transparent);content:""}.home-role__icon{margin-bottom:1.25rem;color:var(--ink);font-family:var(--ya-font-mono);font-size:1.35rem;line-height:1;transition:transform var(--ya-motion-fast)}.home-role strong{color:var(--ink);font-family:var(--ya-font-mono);font-size:.78rem;font-weight:700;line-height:1.2}.home-role small{color:var(--ink-muted);font-family:var(--ya-font-body);font-size:.83rem;line-height:1.4}.home-role:hover,.home-role:focus-visible{color:var(--accent)}.home-role:hover .home-role__icon,.home-role:focus-visible .home-role__icon{transform:translateY(-.25rem)}.home-timeline,.home-current-panel{position:relative;display:grid;align-content:start;gap:1.3rem;min-height:16rem;padding-left:clamp(1.6rem,2.4vw,2.4rem);border-left:1px solid color-mix(in srgb,var(--rule) 40%,transparent)}.home-panel-label{width:max-content;margin:-.62rem 0 0;padding:0 .5rem;background:var(--bg);color:var(--ink-muted);font-size:.62rem;line-height:1}.home-timeline ol{position:relative;display:grid;gap:1.15rem;margin:0 0 0 .45rem;padding:0;list-style:none}.home-timeline ol:before{position:absolute;left:.02rem;top:.3rem;bottom:.5rem;width:1px;background:color-mix(in srgb,var(--rule) 62%,transparent);content:""}.home-timeline li{position:relative;display:grid;gap:.22rem;padding-left:1.35rem}.home-timeline li:before{position:absolute;left:-.25rem;top:.32rem;width:.55rem;height:.55rem;border:2px solid var(--ink);border-radius:999px;background:var(--bg);content:""}.home-timeline time{color:var(--ink-muted);font-family:var(--ya-font-mono);font-size:.58rem;line-height:1.2}.home-timeline strong{color:var(--ink);font-size:.88rem;line-height:1.45}.home-timeline span{color:var(--ink-muted);font-size:.76rem;line-height:1.6}.home-focus-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-top:.35rem}.home-focus-grid div{display:grid;gap:.32rem}.home-focus-grid span{color:var(--ink);font-family:var(--ya-font-mono);font-size:1.05rem;line-height:1}.home-focus-grid strong{color:var(--ink);font-family:var(--ya-font-mono);font-size:.76rem;line-height:1.3}.home-focus-grid p{margin:0;color:var(--ink-muted);font-size:.68rem;line-height:1.45}.home-philosophy{position:relative;display:grid;gap:1rem;margin-top:.85rem;padding-top:1.65rem;border-top:1px solid color-mix(in srgb,var(--rule) 42%,transparent)}.home-philosophy p{margin:0;color:var(--ink);font-family:var(--ya-font-display);font-size:clamp(1.3rem,2vw,1.7rem);font-weight:700;line-height:1.35}.home-philosophy i{width:2rem;height:.18rem;background:var(--accent)}.home-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.7rem;margin-top:.4rem}.home-stats div{display:grid;gap:.1rem}.home-stats strong{color:var(--ink);font-family:var(--ya-font-display);font-size:clamp(1.6rem,2.2vw,2.15rem);font-weight:500;line-height:1}.home-stats span,.home-stats 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