:root{--ink:#15272b;--muted:#5f7074;--paper:#f5f7f4;--white:#fff;--teal:#0b7775;--blue:#185a78;--coral:#d76048;--line:#d8dfdc;--sans:Inter,"Noto Sans SC","PingFang SC",sans-serif;--serif:"Noto Serif SC","Source Han Serif SC",serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.7;letter-spacing:0}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.site-header{height:86px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:40px;padding:0 clamp(24px,5vw,84px);background:rgba(255,255,255,.9);border-bottom:1px solid var(--line);position:relative;z-index:20}.wordmark{display:grid;grid-template-columns:14px auto;grid-template-rows:auto auto;column-gap:10px;align-items:center}.wordmark-dot{width:14px;height:28px;background:var(--coral);grid-row:1/3}.wordmark b{font-size:22px;line-height:1}.wordmark small{font-size:10px;text-transform:uppercase;color:var(--muted);margin-top:4px}.main-nav{display:flex;justify-content:center;gap:28px;font-size:14px}.main-nav a:hover,.quiet-action:hover{color:var(--teal)}.header-actions{display:flex;align-items:center;gap:18px;font-size:14px}.solid-action,.line-action{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;font-weight:700}.solid-action{background:var(--ink);color:white}.line-action{border:1px solid var(--ink);background:rgba(255,255,255,.74)}.menu-button{display:none}.hero{min-height:calc(100vh - 86px);position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,42%);align-items:center;overflow:hidden;background:#eef2f0}.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(245,247,244,.97) 0%,rgba(245,247,244,.9) 34%,rgba(245,247,244,.18) 66%,rgba(245,247,244,.05) 100%)}.hero-copy{position:relative;z-index:2;grid-column:1;padding:8vh 7vw;max-width:780px}.eyebrow,.page-intro>p,.latest header p,.research-index header p,.device-strip header p,.scale-intro>p,.method-note>div>p{font-size:12px;font-weight:800;color:var(--coral);letter-spacing:.14em}.hero h1{font-family:var(--serif);font-size:clamp(54px,6.3vw,104px);line-height:1.06;margin:24px 0 30px;font-weight:600}.hero-copy>p:not(.eyebrow){font-size:19px;max-width:580px;color:#3f5053}.hero-actions{display:flex;gap:12px;margin-top:38px}.hero-caption{position:absolute;z-index:2;right:4vw;bottom:4vh;width:min(390px,32vw);display:grid;grid-template-columns:42px 1fr;border-top:2px solid var(--ink);padding-top:14px;font-size:13px}.hero-caption span{color:var(--coral);font-weight:800}.hero-caption p{margin:0}.device-strip{display:grid;grid-template-columns:280px 1fr;gap:60px;padding:90px clamp(24px,7vw,110px);background:white}.device-strip h2,.research-index h2,.latest h2,.reading-scale h2,.method-note h2{font-family:var(--serif);font-size:clamp(30px,4vw,52px);line-height:1.2;margin:12px 0}.device-list{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}.device-list a{padding:24px 18px;border-right:1px solid var(--line);display:grid;gap:4px}.device-list a:last-child{border:0}.device-list a:hover{background:#e8f3f1}.device-list b{font-size:18px}.device-list span{font-size:12px;color:var(--muted)}.reading-scale{display:grid;grid-template-columns:1fr 1.4fr;gap:8vw;padding:100px clamp(24px,7vw,110px);background:var(--ink);color:white}.scale-intro p{color:#bdc9c8}.scale-intro a{display:inline-block;margin-top:20px;color:#83d4cf;border-bottom:1px solid}.scale-track{display:grid;align-content:center}.scale-track>div{display:grid;grid-template-columns:64px 110px 1fr;align-items:center;gap:18px;padding:18px 0;border-bottom:1px solid #385052}.scale-track span{font-size:12px;color:#9fb0b0}.scale-track i{height:6px;background:linear-gradient(90deg,var(--coral) var(--v),#42595a var(--v));border-radius:4px}.research-index,.latest{padding:110px clamp(24px,7vw,110px);background:#f6f1ea}.research-index header{display:grid;grid-template-columns:1fr 2fr;align-items:end;margin-bottom:44px}.research-index header p{align-self:start}.research-index ol{list-style:none;padding:0;margin:0;border-top:1px solid var(--ink)}.research-index li{display:grid;grid-template-columns:150px 1fr auto;gap:36px;align-items:center;padding:34px 0;border-bottom:1px solid #c9c5be}.research-index li>span{font-size:13px;color:var(--coral)}.research-index h3{font-family:var(--serif);font-size:25px;margin:0 0 6px}.research-index li p{margin:0;color:var(--muted)}.research-index li>a{border-bottom:1px solid}.latest{background:white}.latest>header{display:flex;justify-content:space-between;align-items:end;border-bottom:2px solid var(--ink);padding-bottom:22px}.latest>header h2{margin-bottom:0}.latest>header>a{font-weight:700}.story-row{display:grid;grid-template-columns:110px 1fr 40px;gap:36px;padding:30px 0;border-bottom:1px solid var(--line);align-items:start}.story-row time{font-size:13px;color:var(--coral)}.story-row p{font-size:11px;color:var(--teal);text-transform:uppercase;margin:0}.story-row h3{font-family:var(--serif);font-size:26px;line-height:1.35;margin:6px 0}.story-row span{color:var(--muted)}.story-row>b{font-family:var(--serif);font-size:28px;color:#cbd3d0}.method-note{display:grid;grid-template-columns:1fr 1.2fr auto;gap:60px;align-items:center;padding:70px clamp(24px,7vw,110px);background:#dcebe8}.method-note h2{font-size:32px}.method-note p{margin:0}.method-note>a{border-bottom:1px solid;font-weight:700}.page-intro{padding:100px clamp(24px,9vw,150px) 70px;border-bottom:1px solid var(--line);background:white}.page-intro h1{font-family:var(--serif);font-size:clamp(44px,6vw,78px);line-height:1.1;margin:18px 0}.page-intro span{font-size:18px;color:var(--muted)}.inner-content,.story-list,.catalog{width:min(1160px,calc(100% - 48px));margin:70px auto 120px}.download-grid{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line)}.download-grid section{padding:38px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:white}.download-grid section:nth-child(even){border-right:0}.download-grid section:nth-last-child(-n+2){border-bottom:0}.download-grid>b{color:var(--coral)}.download-grid h2{font-family:var(--serif);font-size:30px}.prose{max-width:760px;margin:auto;background:white;padding:50px;border-left:5px solid var(--teal)}.prose h2{font-family:var(--serif);margin-top:38px}.prose li{margin-bottom:10px}.measure-table{display:grid;grid-template-columns:1fr 1fr}.measure-table div{padding:38px;border-bottom:1px solid var(--line)}.measure-table b{font-family:var(--serif);font-size:30px}.faq{max-width:850px;margin:auto}.faq details{border-top:1px solid var(--ink);padding:22px 0}.faq summary{font-family:var(--serif);font-size:23px;cursor:pointer}.catalog{display:grid;grid-template-columns:1.4fr .6fr;gap:70px}.catalog ol{margin:0;padding:0;list-style:none;border-top:2px solid}.catalog li{padding:28px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:190px 1fr;gap:25px}.catalog aside{background:#dcebe8;padding:36px;align-self:start}.article-page{background:white}.breadcrumb,.article-header,.article-layout{width:min(1180px,calc(100% - 48px));margin:auto}.breadcrumb{padding-top:38px;display:flex;gap:10px;font-size:13px;color:var(--muted)}.article-header{padding:70px 0;border-bottom:2px solid var(--ink)}.article-kicker{color:var(--coral);font-size:12px;font-weight:800}.article-header h1{font-family:var(--serif);font-size:clamp(42px,6vw,78px);line-height:1.15;max-width:1000px;margin:18px 0}.article-header>p:last-child{font-size:20px;color:var(--muted);max-width:780px}.article-layout{display:grid;grid-template-columns:240px minmax(0,760px);gap:80px;padding:70px 0 130px}.article-aside{position:sticky;top:24px;align-self:start;border-top:4px solid var(--coral);padding-top:18px;font-size:13px}.article-aside p{color:var(--muted)}.article-aside a{color:var(--teal);font-weight:700}.article-body section{margin-bottom:52px}.article-body h2{font-family:var(--serif);font-size:32px;line-height:1.35;margin:0 0 18px}.article-body p{font-family:var(--serif);font-size:18px;line-height:2;margin:0 0 16px}.article-close{margin-top:70px;padding:34px;border:1px solid var(--ink);background:#f6f1ea}.article-close strong{font-family:var(--serif);font-size:24px}.not-found{text-align:center;padding:18vh 24px}.not-found>p{font-size:80px;color:var(--coral);margin:0}.not-found h1{font-family:var(--serif);font-size:44px}.not-found div{display:flex;justify-content:center;gap:12px;margin-top:30px}.site-footer{background:#132326;color:white;padding:70px clamp(24px,7vw,110px) 30px}.footer-lead{display:flex;justify-content:space-between;border-bottom:1px solid #425052;padding-bottom:34px}.footer-lead b{font-size:30px}.footer-lead p{max-width:460px;color:#adbcbd}.footer-columns{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;padding:45px 0}.footer-columns div{display:grid;align-content:start;gap:9px}.footer-columns strong{color:#85d2cc;margin-bottom:10px}.footer-columns a{font-size:14px;color:#c7d0d1}.copyright{font-size:12px;color:#849496;margin:0;border-top:1px solid #425052;padding-top:24px}@media(max-width:900px){.site-header{height:74px;padding:0 18px;grid-template-columns:1fr auto auto}.main-nav{display:none;position:absolute;top:74px;left:0;right:0;background:white;padding:20px;box-shadow:0 10px 20px #0002;flex-direction:column}.main-nav.open{display:flex}.header-actions .quiet-action{display:none}.menu-button{display:block;border:0;background:none}.hero{min-height:720px;display:block}.hero:after{background:linear-gradient(180deg,rgba(245,247,244,.97),rgba(245,247,244,.84) 58%,rgba(245,247,244,.12))}.hero>img{object-position:63% center}.hero-copy{padding:70px 24px}.hero h1{font-size:55px}.hero-caption{left:24px;right:24px;bottom:25px;width:auto}.device-strip,.reading-scale,.catalog,.method-note{grid-template-columns:1fr}.device-strip{gap:25px}.device-list{grid-template-columns:1fr 1fr}.research-index header{grid-template-columns:1fr}.research-index li{grid-template-columns:90px 1fr}.research-index li>a{grid-column:2}.article-layout{grid-template-columns:1fr;gap:35px}.article-aside{position:static}.footer-columns{grid-template-columns:1fr 1fr}.method-note{gap:20px}}@media(max-width:560px){.header-actions .solid-action{padding:0 12px;min-height:40px;font-size:12px}.wordmark small{display:none}.hero{min-height:680px}.hero-copy>p:not(.eyebrow){font-size:16px}.hero-actions{flex-direction:column;align-items:stretch}.device-list,.download-grid,.measure-table{grid-template-columns:1fr}.device-list a{border-right:0;border-bottom:1px solid var(--line)}.download-grid section{border-right:0}.download-grid section:nth-last-child(2){border-bottom:1px solid var(--line)}.research-index,.latest,.reading-scale,.device-strip{padding:72px 20px}.research-index li{grid-template-columns:1fr;gap:8px}.research-index li>a{grid-column:1}.scale-track>div{grid-template-columns:50px 80px 1fr;gap:10px}.story-row{grid-template-columns:72px 1fr;gap:16px}.story-row>b{display:none}.story-row h3{font-size:21px}.method-note{padding:55px 20px}.page-intro{padding:70px 24px 50px}.inner-content,.story-list,.catalog{width:calc(100% - 32px);margin:45px auto 80px}.prose{padding:28px 22px}.catalog li{grid-template-columns:1fr}.article-header{padding:45px 0}.article-header h1{font-size:39px}.article-layout{padding:45px 0 90px}.article-body h2{font-size:27px}.article-body p{font-size:17px;line-height:1.9}.footer-lead{display:block}.footer-columns{grid-template-columns:1fr 1fr;gap:30px}.not-found h1{font-size:34px}}