
:root{--paper:#f5f2ed;--white:#fffefa;--ink:#241f1c;--coffee:#56382b;--copper:#a76542;--coral:#e15f4f;--cyan:#16829a;--blue:#dcecef;--line:#cfc8be;--muted:#706a64}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.78}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.site-head{height:76px;padding:0 clamp(18px,5vw,74px);display:grid;grid-template-columns:220px 1fr auto;align-items:center;background:rgba(255,254,250,.96);border-bottom:1px solid var(--line);position:relative;z-index:30}.identity{display:flex;align-items:center;gap:11px}.identity i,.foot-mark i{width:26px;height:26px;border:6px solid var(--coffee);border-radius:50%;position:relative}.identity i:after,.foot-mark i:after{content:"";position:absolute;width:7px;height:7px;background:var(--coral);border-radius:50%;right:-8px;top:4px}.identity b{font-size:21px;letter-spacing:0}.site-head nav{display:flex;justify-content:center;gap:28px;font-size:14px}.site-head nav a:hover,.site-head nav a.active{color:var(--coral)}.download-chip{border:1px solid var(--coffee);padding:9px 16px}.menu{display:none;border:0;background:transparent;font:inherit}.sequence-hero{min-height:760px;position:relative;display:flex;align-items:center;overflow:hidden;background:#faf9f6}.sequence-hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}.sequence-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(250,249,246,.98) 0%,rgba(250,249,246,.91) 28%,rgba(250,249,246,.1) 55%,rgba(250,249,246,.04))}.hero-copy{position:relative;z-index:2;margin-left:clamp(22px,7vw,110px);max-width:590px}.hero-copy>p:first-child,.sequence-entrance header>p,.lineage-title>p,.platform-sheet header>p,.rack-copy>p,.research-notes header>p,.help-strip p,.page-intro>p,.article-intro>p,.article-page>header>p{font-size:12px;font-weight:800;letter-spacing:1.7px;color:var(--coral)}.hero-copy h1{font:700 clamp(54px,7.2vw,104px)/.98 Georgia,"Noto Serif SC",serif;margin:18px 0 25px;letter-spacing:0}.hero-copy h1 em{font-style:normal;color:var(--coffee)}.hero-copy>p:nth-of-type(2){font-size:17px;max-width:560px}.hero-copy>div{display:flex;gap:12px;margin-top:32px}.hero-copy>div a{padding:12px 20px;background:var(--coffee);color:#fff}.hero-copy>div a+ a{background:var(--white);color:var(--coffee);border:1px solid var(--coffee)}.sequence-hero aside{position:absolute;z-index:3;right:4vw;bottom:32px;width:300px;background:rgba(255,254,250,.92);padding:22px;border-left:5px solid var(--cyan)}.sequence-hero aside span{font-size:11px;color:var(--muted)}.sequence-hero aside b{display:block;font:700 23px Georgia,serif;margin:4px 0}.sequence-hero aside p{margin:0;font-size:13px}.sequence-entrance{padding:82px clamp(20px,7vw,110px);background:var(--white)}.sequence-entrance header{display:grid;grid-template-columns:180px 1fr 1fr;gap:30px;align-items:end;padding-bottom:35px;border-bottom:3px solid var(--ink)}.sequence-entrance h2,.lineage h2,.platform-sheet h2,.client-rack h2,.research-notes h2,.help-strip h2{font:700 clamp(34px,4.2vw,60px)/1.13 Georgia,"Noto Serif SC",serif;margin:0;letter-spacing:0}.sequence-entrance header>p:last-child{color:var(--muted)}.track{display:grid;grid-template-columns:170px 1.2fr 1fr auto;align-items:center;gap:25px;min-height:105px;border-bottom:1px solid var(--line)}.track b{font-size:21px}.track span{color:var(--muted)}.track i{font-style:normal;font:700 17px monospace;color:var(--cyan)}.track a,.lineage-action,.platform-sheet>a,.rack-copy>a,.research-notes header>a,.text-link,.prose>a{color:var(--coral);border-bottom:1px solid currentColor}.lineage{padding:90px clamp(20px,7vw,110px);background:var(--coffee);color:#fff;position:relative}.lineage-title{display:grid;grid-template-columns:180px 1fr}.lineage-title>p{color:#f5a69d}.lineage ol{list-style:none;padding:0;margin:65px 0 45px;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #8f7468}.lineage li{padding:25px 30px 10px 0;min-height:170px}.lineage li+li{border-left:1px solid #8f7468;padding-left:30px}.lineage li span{color:#ef9b8f;font-size:12px}.lineage li b{display:block;font-size:20px;margin:12px 0}.lineage li p{color:#dfd2cc}.lineage-action{color:#ffb1a5}.platform-sheet{padding:90px clamp(20px,7vw,110px)}.platform-sheet header{display:grid;grid-template-columns:180px 1fr;border-bottom:4px double var(--ink);padding-bottom:30px}.sheet-row{display:grid;grid-template-columns:1fr 1fr 2fr;gap:25px;padding:23px 10px;border-bottom:1px solid var(--line)}.sheet-row span{color:var(--cyan)}.sheet-row p{margin:0}.sheet-head{font-size:12px;color:var(--muted)}.platform-sheet>a{display:inline-block;margin-top:24px}.client-rack{display:grid;grid-template-columns:1fr 1.3fr;gap:7vw;padding:90px clamp(20px,7vw,110px);background:var(--blue)}.rack-copy p:nth-of-type(2){max-width:520px}.rack-slots{display:grid;grid-template-columns:1fr 1fr;border-top:2px solid var(--ink);border-left:1px solid #9fb9be}.rack-slots a{padding:30px;border-right:1px solid #9fb9be;border-bottom:1px solid #9fb9be;min-height:135px}.rack-slots b{display:block;font:700 26px Georgia,serif}.rack-slots span{font-size:13px;color:var(--muted)}.research-notes{padding:90px clamp(20px,7vw,110px);background:var(--white)}.research-notes>header{display:grid;grid-template-columns:180px 1fr auto;align-items:end;border-bottom:3px solid var(--ink);padding-bottom:28px}.note-grid,.article-ledger{display:grid;grid-template-columns:1.35fr 1fr 1fr}.paper-note{padding:28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.paper-note:first-child{grid-row:span 2}.paper-note>div{display:flex;gap:15px;font-size:11px;color:var(--muted)}.paper-note>div span{color:var(--coral)}.paper-note h3{font:700 24px/1.3 Georgia,"Noto Serif SC",serif}.paper-note:first-child h3{font-size:36px}.paper-note p{color:var(--muted)}.help-strip{padding:60px clamp(20px,7vw,110px);background:var(--coral);color:#fff;display:grid;grid-template-columns:1.2fr 1fr;align-items:end;gap:40px}.help-strip p{color:#fff}.help-strip nav{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}.help-strip nav a{border:1px solid #fff;padding:9px 14px}.page-intro,.article-intro{padding:75px clamp(20px,7vw,110px) 55px;background:var(--white);border-bottom:1px solid var(--line)}.page-intro h1,.article-intro h1{font:700 clamp(43px,6vw,78px)/1.08 Georgia,"Noto Serif SC",serif;margin:10px 0}.page-intro>p:last-child,.article-intro>p:last-child{max-width:780px;font-size:18px;color:var(--muted)}.page-body{max-width:1160px;margin:0 auto;padding:65px 24px 90px}.method-lead{display:grid;grid-template-columns:1fr 1fr;gap:60px;border-bottom:3px solid var(--ink);padding-bottom:35px}.method-lead h2{font:700 40px/1.2 Georgia,"Noto Serif SC",serif;margin:0}.method-lead p{margin:0;font-size:18px}.diagnostic-lines,.annotation-layers,.method-columns{display:grid;grid-template-columns:repeat(3,1fr);margin-top:45px}.diagnostic-lines article,.annotation-layers>div,.method-columns>div{padding:30px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.diagnostic-lines b,.annotation-layers b{font-size:11px;color:var(--coral)}.download-ledger{margin:45px 0;border-top:2px solid var(--ink)}.download-ledger article{display:grid;grid-template-columns:150px 1fr 2fr;align-items:center;gap:25px;padding:25px 0;border-bottom:1px solid var(--line)}.download-ledger span{color:var(--cyan);font-size:12px}.download-ledger h3{font-size:24px;margin:0}.download-ledger p{margin:0}.annotation-layers{grid-template-columns:repeat(4,1fr)}.comparison-matrix{margin:45px 0;border-top:2px solid var(--ink)}.comparison-matrix>div{display:grid;grid-template-columns:1.1fr repeat(3,1fr);gap:15px;padding:18px;border-bottom:1px solid var(--line)}.comparison-matrix span:first-child{font-weight:700}.branch-map{margin:50px 0;display:grid;grid-template-columns:repeat(4,1fr)}.branch-map article{position:relative;padding:30px 25px;border-top:2px solid var(--coffee)}.branch-map article:before{content:"";position:absolute;top:-7px;left:25px;width:12px;height:12px;background:var(--coral);border-radius:50%}.branch-map article+article{border-left:1px solid var(--line)}.prose{max-width:820px;margin:60px auto 0}.prose h2{font:700 34px/1.25 Georgia,"Noto Serif SC",serif;margin:45px 0 12px}.prose p{font-size:17px}.faq-list details{padding:22px 0;border-bottom:1px solid var(--line)}.faq-list summary{font-weight:700;font-size:19px;cursor:pointer}.article-ledger{max-width:1280px;margin:0 auto;padding:35px 24px 90px}.article-page{max-width:1160px;margin:0 auto;padding:55px 24px 90px}.crumb{display:flex;gap:10px;font-size:13px;color:var(--muted)}.article-page>header{max-width:930px;padding:55px 0 38px;border-bottom:3px solid var(--ink)}.article-page>header h1{font:700 clamp(42px,6vw,74px)/1.12 Georgia,"Noto Serif SC",serif;margin:12px 0 25px}.article-page>header>div{display:flex;gap:24px;color:var(--muted)}.article-lead{font:500 21px/1.7 Georgia,"Noto Serif SC",serif;max-width:760px;margin-top:28px}.article-body{max-width:830px;margin:55px 0 0 14%}.article-body section{margin:0 0 48px}.article-body h2{font:700 33px/1.25 Georgia,"Noto Serif SC",serif;margin:0 0 14px}.article-body p{font-size:17px}.related{margin-top:65px;padding:25px 0;border-top:3px solid var(--ink);display:flex;gap:18px;flex-wrap:wrap}.related b{width:100%}.related a{color:var(--cyan);border-bottom:1px solid}.not-found{min-height:70vh;padding:100px 8vw}.not-found h1{font:700 56px Georgia,serif}.not-found a{display:inline-block;margin:15px 10px 0 0;padding:10px 16px;border:1px solid}.site-foot{padding:60px clamp(20px,6vw,90px) 26px;background:#211a17;color:#eee6df;display:grid;grid-template-columns:1.8fr repeat(3,1fr);gap:35px}.foot-mark{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:center}.foot-mark p{grid-column:1/-1;max-width:340px;color:#c4b7af}.site-foot strong{display:block;color:#f08a7d;margin-bottom:10px}.site-foot a{display:block;color:#cfc3bc;margin:7px 0}.site-foot small{grid-column:1/-1;border-top:1px solid #4f433e;padding-top:20px;color:#a99c95}
@media(max-width:900px){.site-head{grid-template-columns:1fr auto auto;padding:0 18px}.site-head nav{display:none;position:absolute;left:0;right:0;top:76px;background:var(--white);padding:20px;flex-direction:column;gap:12px}.site-head nav.open{display:flex}.download-chip{font-size:12px;padding:8px 10px}.menu{display:block}.sequence-hero{min-height:760px;align-items:flex-start;padding-top:70px}.sequence-hero>img{object-position:58% center}.sequence-hero:after{background:linear-gradient(180deg,rgba(250,249,246,.98) 0%,rgba(250,249,246,.88) 53%,rgba(250,249,246,.12))}.hero-copy{margin:0 22px}.sequence-hero aside{left:22px;right:22px;width:auto}.sequence-entrance header,.lineage-title,.platform-sheet header,.research-notes>header{grid-template-columns:1fr}.track{grid-template-columns:1fr 1fr}.track a{grid-column:1/-1}.lineage ol{grid-template-columns:1fr 1fr}.client-rack,.help-strip,.method-lead{grid-template-columns:1fr}.note-grid,.article-ledger{grid-template-columns:1fr 1fr}.paper-note:first-child{grid-row:auto}.annotation-layers,.branch-map{grid-template-columns:1fr 1fr}.article-body{margin-left:0}.site-foot{grid-template-columns:1fr 1fr}.foot-mark{grid-column:1/-1}}@media(max-width:520px){.identity b{font-size:18px}.download-chip{display:none}.sequence-hero{min-height:730px}.hero-copy h1{font-size:52px}.hero-copy>p:nth-of-type(2){font-size:15px}.hero-copy>div{flex-direction:column;align-items:flex-start}.sequence-entrance,.platform-sheet,.research-notes{padding-left:18px;padding-right:18px}.track{grid-template-columns:1fr}.track a{grid-column:auto}.lineage ol,.rack-slots,.note-grid,.article-ledger,.diagnostic-lines,.annotation-layers,.method-columns,.branch-map{grid-template-columns:1fr}.lineage li+li{border-left:0;padding-left:0}.sheet-row{grid-template-columns:1fr 1fr}.sheet-row p{grid-column:1/-1}.download-ledger article{grid-template-columns:1fr}.comparison-matrix{overflow-x:auto}.comparison-matrix>div{min-width:650px}.article-page>header h1{font-size:41px}.article-body h2{font-size:28px}.site-foot{grid-template-columns:1fr}.site-foot>div{grid-column:1/-1}}