:root{--ink:#101513;--muted:#5e6964;--paper:#f3f6f4;--line:#d6ddd8;--green:#29d67d;--orange:#ef7d32;--white:#fff;--max:1240px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:Inter,"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.72;letter-spacing:0}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.wrap{width:min(var(--max),calc(100% - 48px));margin:auto}.top{height:76px;display:flex;align-items:center;gap:36px;padding:0 max(24px,calc((100% - 1440px)/2));border-bottom:1px solid var(--line);background:rgba(255,255,255,.96);position:relative;z-index:10}.brand{display:flex;align-items:center;gap:10px;margin-right:auto}.brand span{width:34px;height:34px;display:grid;place-items:center;background:var(--ink);color:var(--green);font-weight:900}.brand b{font-size:20px}.brand small{font-size:9px;color:var(--muted)}.top nav{display:flex;gap:25px;font-size:14px}.top nav a{padding:26px 0;border-bottom:3px solid transparent}.top nav a:hover{border-color:var(--green)}.top button{display:none}.hero{min-height:680px;position:relative;overflow:hidden;display:flex;align-items:center}.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(245,247,246,.99) 0%,rgba(245,247,246,.96) 31%,rgba(245,247,246,.22) 56%,rgba(0,0,0,.08))}.hero-copy{position:relative;z-index:1;width:min(1440px,calc(100% - 48px));margin:auto}.hero-copy>*{max-width:610px}.hero-copy>p:first-child,.spine header p,.dual>div>p:first-child,.lab-band>div>p:first-child,.papers header p,.page-head>p:first-child{font-size:11px;font-weight:900;color:#0a9c59;letter-spacing:2px}.hero h1{font-size:clamp(48px,6vw,82px);line-height:1.04;margin:15px 0}.hero h2{font-size:25px;font-weight:500;margin:0 0 18px}.hero-copy>p{color:#3f4a45;font-size:17px}.hero-copy>div{display:flex;gap:10px;margin-top:30px}.hero-copy a,.archive a{padding:14px 23px;background:var(--ink);color:#fff;font-weight:800}.hero-copy a+ a{background:var(--green);color:var(--ink)}.device-rail{display:grid;grid-template-columns:1.1fr repeat(4,1fr) 1.2fr;border-block:1px solid var(--line)}.device-rail>*{padding:20px 24px;border-right:1px solid var(--line);font-size:13px}.device-rail a{color:#087f4a;font-weight:800}.spine{padding:100px 0;display:grid;grid-template-columns:.65fr 1.35fr;gap:90px}.spine h2,.dual h2,.lab-band h2,.papers h2,.questions h2,.page-head h1{font-size:clamp(36px,4vw,56px);line-height:1.12;margin:10px 0}.spine ol{list-style:none;margin:0;padding:0;border-top:2px solid var(--ink)}.spine li{display:grid;grid-template-columns:70px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}.spine li>span{color:#0a9c59;font-weight:900}.spine h3{margin:0;font-size:21px}.spine p{margin:4px 0;color:var(--muted)}.dual{display:grid;grid-template-columns:1fr 1.15fr;background:var(--ink);color:#fff}.dual>div{padding:80px max(35px,calc((100vw - var(--max))/2))}.dual>div:first-child{padding-right:70px}.dual>div:first-child>p:not(:first-child){color:#b8c3bd}.dual>div>a{color:var(--green);font-weight:800}.matrix{padding-left:0!important;display:grid;align-content:center}.matrix a{display:flex;justify-content:space-between;gap:20px;padding:22px;border-top:1px solid #35413b}.matrix span{color:#a9b6af;font-size:13px}.lab-band{padding:100px 0}.lab-band>div:first-child{max-width:740px}.lab-band>div:first-child>p:not(:first-child){color:var(--muted)}.lab-band a{font-weight:800;border-bottom:2px solid var(--green)}.chain{display:flex;align-items:center;margin-top:50px}.chain span{padding:16px;border:1px solid var(--ink);font-size:12px;white-space:nowrap}.chain i{height:2px;background:var(--green);flex:1}.papers{padding:95px 0}.papers>header{display:flex;justify-content:space-between;align-items:end;border-bottom:3px solid var(--ink)}.papers>header>a{padding-bottom:18px;color:#087f4a;font-weight:800}.paper-row{display:grid;grid-template-columns:150px 1.1fr 1fr 100px;gap:25px;padding:24px 4px;border-bottom:1px solid var(--line);align-items:start}.paper-row>div span,.paper-row time{display:block;font-size:12px}.paper-row>div span{color:#087f4a;font-weight:900}.paper-row h3{margin:0;font-size:20px}.paper-row p{margin:0;color:var(--muted);font-size:14px}.paper-row em{font-style:normal;font-size:12px;color:var(--orange);text-align:right}.questions{padding:30px 0 100px;display:grid;grid-template-columns:.6fr 1.4fr;gap:80px}.questions details{border-top:1px solid var(--line);padding:18px 0}.questions summary{font-weight:800;cursor:pointer}.questions p{color:var(--muted)}.inner{width:min(var(--max),calc(100% - 48px));margin:auto;min-height:70vh;padding-bottom:100px}.page-head{padding:90px 0 55px;max-width:900px}.page-head>p:last-child{font-size:18px;color:var(--muted)}.note-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:3px solid var(--ink)}.note-grid article{padding:34px 40px 34px 0;border-bottom:1px solid var(--line)}.note-grid article:nth-child(odd){border-right:1px solid var(--line)}.note-grid article:nth-child(even){padding-left:40px}.note-grid h2{font-size:25px}.note-grid p{color:var(--muted)}.next{display:flex;gap:12px;padding-top:45px}.next a{padding:13px 18px;border:1px solid var(--ink)}.article-index{padding-bottom:110px}.article-list{border-top:3px solid var(--ink)}.article-main{width:min(1180px,calc(100% - 48px));margin:auto;padding:70px 0 110px}.article>header{max-width:900px;padding-bottom:45px;border-bottom:1px solid var(--line)}.article>header>a{font-size:12px;color:#087f4a;font-weight:800}.article>header>div{display:flex;gap:20px;margin:24px 0 12px;font-size:12px;color:var(--muted)}.article>header>div span{color:#087f4a;font-weight:900}.article h1{font-size:clamp(40px,5vw,66px);line-height:1.12;margin:0 0 22px}.article>header>p{font-size:19px;color:#46514c}.article-body{max-width:820px;padding-top:50px}.article-body section{margin-bottom:48px}.article-body h2{font-size:30px;line-height:1.25}.article-body p{font-family:"Noto Serif SC","Songti SC",serif;font-size:18px;line-height:1.95;color:#26302c}.article aside{max-width:820px;border-top:3px solid var(--ink);padding-top:25px}.article aside a{display:inline-block;margin:12px 18px 0 0;color:#087f4a}.archive{width:min(760px,calc(100% - 48px));margin:90px auto;min-height:50vh}.archive h1{font-size:52px}.archive p{color:var(--muted)}footer{background:#0d1210;color:#fff;padding:65px 0 20px}.foot,.copy{width:min(var(--max),calc(100% - 48px));margin:auto}.foot{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:60px}.foot p{color:#9daaa3}.foot .foot-title{font-size:12px;color:var(--green)}.foot a{display:block;color:#d2dad6;padding:5px 0;font-size:14px}.copy{border-top:1px solid #303a35;margin-top:40px;padding-top:20px;color:#88958e;font-size:12px}@media(max-width:900px){.top nav{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;padding:15px 24px;flex-direction:column;gap:0}.top nav.open{display:flex}.top nav a{padding:12px 0}.top button{display:block;border:1px solid var(--line);background:#fff;padding:10px}.hero:after{background:rgba(245,247,246,.82)}.device-rail{grid-template-columns:repeat(2,1fr)}.spine,.questions{grid-template-columns:1fr;gap:35px}.dual{grid-template-columns:1fr}.dual>div{padding:55px 40px}.chain{flex-wrap:wrap}.chain i{min-width:25px}.paper-row{grid-template-columns:120px 1fr}.paper-row p,.paper-row em{grid-column:2}.foot{grid-template-columns:1fr 1fr}}@media(max-width:600px){.top{height:68px;padding:0 16px}.brand small{display:none}.top nav{top:68px}.hero{min-height:640px}.hero-copy{width:calc(100% - 32px)}.hero h1{font-size:45px}.hero h2{font-size:20px}.hero-copy>div{flex-direction:column;align-items:stretch}.hero-copy a{text-align:center}.device-rail{grid-template-columns:1fr}.device-rail>*{border-right:0;border-bottom:1px solid var(--line)}.wrap,.inner,.foot,.copy,.article-main{width:calc(100% - 32px)}.spine,.lab-band,.papers{padding:70px 0}.dual>div{padding:45px 22px}.matrix a{display:block}.matrix span{display:block;margin-top:5px}.chain{display:grid;grid-template-columns:1fr}.chain i{width:2px;height:18px;margin:auto}.papers>header{align-items:start}.paper-row{grid-template-columns:1fr;gap:8px}.paper-row p,.paper-row em{grid-column:auto;text-align:left}.questions{padding-bottom:70px}.note-grid{grid-template-columns:1fr}.note-grid article,.note-grid article:nth-child(even){padding:26px 0;border-right:0}.next{flex-direction:column}.article h1{font-size:38px}.article-body h2{font-size:27px}.article-body p{font-size:17px}.foot{grid-template-columns:1fr}.archive h1{font-size:40px}}
