*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;min-width:0;overflow-x:hidden;background:#f4f8f8;color:#12313d;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.72}a{color:#075d73;text-decoration-thickness:.08em;text-underline-offset:.18em}a:hover{color:#c84d20}.skip-link{position:absolute;left:1rem;top:-5rem;z-index:100;background:#fff;padding:.7rem 1rem}.skip-link:focus{top:1rem}.site-header{position:sticky;top:0;z-index:20;background:rgba(244,248,248,.95);border-bottom:1px solid #c9dcdd;backdrop-filter:blur(12px)}.nav-shell{width:min(1180px,calc(100% - 32px));min-height:64px;margin:auto;display:flex;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;color:#12313d;font-weight:800;text-decoration:none;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#ec6a2c;color:#fff;font:800 .78rem/1 monospace;box-shadow:4px 4px 0 #0b7891}.top-nav{margin-left:auto;display:flex;align-items:center;gap:18px;font-size:.88rem}.top-nav a{color:#254b56;text-decoration:none;white-space:nowrap}.top-nav a:hover{color:#c84d20}.nav-toggle{display:none;margin-left:auto;border:1px solid #8db4bb;background:#fff;color:#12313d;border-radius:999px;padding:.55rem .85rem;font:inherit;font-weight:700}main{width:min(1180px,calc(100% - 32px));margin:auto}.breadcrumbs{display:flex;gap:.55rem;align-items:center;padding:24px 0 4px;color:#647d83;font-size:.86rem}.breadcrumbs a{color:#476b73}.hero{margin:36px 0 28px}.editor-note{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:34px;align-items:stretch;background:linear-gradient(135deg,#075d73 0%,#0a758b 62%,#0c879a 100%);color:#fff;border-radius:28px;padding:clamp(28px,5vw,68px);position:relative;isolation:isolate;overflow:hidden}.editor-note:before,.editor-note:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.15);border-radius:50%;z-index:-1}.editor-note:before{width:360px;height:360px;right:28%;top:-220px}.editor-note:after{width:260px;height:260px;left:-130px;bottom:-150px}.eyebrow{display:block;color:#d65220;font-size:.78rem;font-weight:900;letter-spacing:.13em;text-transform:uppercase}.editor-note .eyebrow{color:#ffd5bf}.hero h1{max-width:12ch;margin:.25rem 0 .55rem;font-size:clamp(2.7rem,7vw,6.6rem);line-height:.96;letter-spacing:-.055em}.hero-lead{max-width:44rem;font-size:clamp(1.05rem,2vw,1.32rem);color:#e3f3f3}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.button{display:inline-flex;justify-content:center;align-items:center;min-height:44px;border-radius:999px;padding:.7rem 1rem;font-weight:800;text-decoration:none;border:1px solid transparent;cursor:pointer;font:inherit}.button.primary{background:#ec6a2c;color:#fff;box-shadow:0 5px 0 #a73c18}.button.ghost{background:#fff;color:#075d73;border-color:#b8d1d4}.note-sheet{align-self:center;position:relative;background:#fff7e9;color:#213f48;padding:32px 28px;border-radius:4px 18px 4px 18px;box-shadow:12px 14px 0 rgba(4,54,66,.26);transform:rotate(1deg)}.note-sheet strong{font-size:1.35rem}.note-sheet dl{display:grid;gap:10px}.note-sheet dl div{display:grid;grid-template-columns:56px 1fr;gap:8px;border-top:1px solid #e4c8a8;padding-top:8px}.note-sheet dt{font-weight:800;color:#b7441d}.note-sheet dd{margin:0}.paper-clip{position:absolute;right:24px;top:-10px;width:18px;height:44px;border:3px solid #6d8589;border-radius:12px}.desk-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:#bbd2d4;border:1px solid #bbd2d4;border-radius:16px;overflow:hidden}.desk-strip>div{background:#fff;padding:20px}.desk-strip span{font-family:ui-monospace,monospace;color:#d65220;font-weight:900}.desk-strip strong{display:block;font-size:1.05rem}.desk-strip p{margin:.25rem 0 0;color:#567178}.section-shell{padding:70px 0}.section-shell.flush{padding-top:28px}.section-heading{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.65fr);gap:30px;align-items:end;margin-bottom:26px}.section-heading h2,.page-hero h1{margin:.25rem 0;font-size:clamp(2rem,4vw,3.8rem);line-height:1.05;letter-spacing:-.035em}.section-heading p{color:#526e75}.tile-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.tile-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.editorial-card{min-width:0;background:#fff;border:1px solid #c9dcdd;border-radius:16px;padding:22px;box-shadow:0 8px 0 rgba(17,84,97,.06)}.editorial-card:nth-child(3n+2){border-top:4px solid #ec6a2c}.editorial-card h2,.editorial-card h3{margin:.35rem 0 .55rem;font-size:1.15rem;line-height:1.35}.editorial-card a{text-decoration:none}.editorial-card p{color:#526e75}.card-kicker,.card-meta{font-size:.75rem;font-weight:800;color:#b7441d;letter-spacing:.04em}.split-layout{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:54px}.numbered-list{padding:0;list-style:none;counter-reset:item}.numbered-list li{counter-increment:item;padding:14px 0 14px 54px;border-bottom:1px solid #c9dcdd;position:relative}.numbered-list li:before{content:counter(item,decimal-leading-zero);position:absolute;left:0;color:#d65220;font-family:ui-monospace,monospace;font-weight:900}.compact-cards{display:grid;gap:12px}.compact-cards .editorial-card{padding:16px}.orange-wash{padding-left:clamp(20px,5vw,62px);padding-right:clamp(20px,5vw,62px);border-radius:24px;background:#fff1e8}.tool-grid,.desk-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.tool-card,.desk-card{background:#fff;padding:20px;border-radius:12px;border:1px solid #d4dfe0;min-width:0}.tool-card>span{color:#d65220;font:800 .75rem ui-monospace,monospace}.tool-card h3,.desk-card h3{font-size:1.05rem}.desk-card{position:relative;background:#fffbe9}.desk-pin{position:absolute;top:8px;right:12px;width:9px;height:9px;border-radius:50%;background:#ec6a2c;box-shadow:0 2px 0 #9d3716}.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}.tag{display:inline-flex;padding:.5rem .8rem;border-radius:999px;background:#e3eff0;color:#075d73;text-decoration:none;border:1px solid #bfd4d6}.faq details{background:#fff;border:1px solid #c9dcdd;padding:18px 20px;margin:10px 0;border-radius:12px}.faq summary{font-weight:800;cursor:pointer}.page-hero{padding:64px 0 34px;border-bottom:1px solid #bfd4d6}.page-hero.compact{padding-bottom:28px}.page-hero p{max-width:760px;font-size:1.12rem;color:#4e6a71}.prose-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:46px;padding:46px 0}.prose{min-width:0;max-width:760px}.prose h2{margin-top:2.1rem;font-size:1.55rem;line-height:1.25}.prose h3{margin-top:1.3rem}.prose li+li{margin-top:.65rem}.margin-note,.research-card{align-self:start;position:sticky;top:92px;background:#fff7e9;border-left:4px solid #ec6a2c;padding:24px;border-radius:0 14px 14px 0}.closing-note{padding-bottom:64px}.article-header{padding:56px 0 28px;border-bottom:1px solid #bfd4d6}.article-header h1{max-width:1000px;font-size:clamp(2.15rem,5vw,4.7rem);line-height:1.04;letter-spacing:-.04em}.article-deck{max-width:780px;font-size:1.18rem;color:#4e6a71}.article-meta{display:flex;flex-wrap:wrap;gap:10px 18px;color:#5b777e;font-size:.82rem}.byline{font-size:.9rem}.article-columns{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:54px;padding:36px 0}.research-card dl{display:grid;gap:10px}.research-card dt{font-weight:800;color:#b7441d}.research-card dd{margin:0 0 8px}.related{padding:24px 0 70px}.workbench-layout{display:grid;grid-template-columns:minmax(300px,.85fr) minmax(0,1.15fr);gap:44px;padding:42px 0 70px}.tool-workbench{align-self:start;background:#083f50;color:#fff;border-radius:18px;padding:26px;box-shadow:12px 12px 0 #dce9e9}.tool-workbench h2{margin-top:0}.tool-workbench h3{margin-top:24px}.tool-workbench label{display:block;margin:12px 0;font-weight:650}.tool-workbench input,.tool-workbench textarea{width:100%;max-width:100%;margin-top:6px;padding:.7rem;border:1px solid #8db4bb;border-radius:8px;background:#fff;color:#12313d;font:inherit}.tool-workbench input[type=checkbox]{width:auto;margin-right:.55rem}.tool-output{display:block;min-height:78px;background:#f5fbfb;color:#12313d;border-radius:9px;padding:14px;white-space:pre-wrap;overflow-wrap:anywhere}.policy-page{padding:30px 0 70px}.not-found{min-height:60vh;display:grid;place-items:start;align-content:center;padding:60px 0}.error-code{font:900 clamp(5rem,20vw,13rem)/.75 ui-monospace,monospace;color:#c8dddd;letter-spacing:-.12em}.not-found h1{font-size:clamp(2rem,5vw,4rem)}.site-footer{margin-top:30px;background:#082f3b;color:#d8e8e9;padding:42px max(16px,calc((100vw - 1180px)/2)) 24px}.footer-grid{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:40px}.footer-grid nav{display:flex;flex-wrap:wrap;gap:12px 20px;align-content:start}.site-footer a{color:#fff}.footer-note{padding-top:22px;border-top:1px solid #2d5661;font-size:.8rem;color:#a9c4c8}@media(max-width:960px){.top-nav{position:absolute;left:16px;right:16px;top:58px;display:none;grid-template-columns:repeat(2,minmax(0,1fr));background:#fff;border:1px solid #bfd4d6;border-radius:12px;padding:12px;box-shadow:0 18px 40px rgba(5,48,60,.15)}.top-nav[data-open="true"]{display:grid}.nav-toggle{display:inline-flex}.editor-note,.split-layout,.section-heading,.prose-grid,.article-columns,.workbench-layout{grid-template-columns:1fr}.margin-note,.research-card{position:static}.tool-grid,.desk-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:680px){main,.nav-shell{width:min(100% - 24px,1180px)}.editor-note{padding:28px 22px;border-radius:18px}.hero h1{font-size:clamp(2.45rem,15vw,4.4rem)}.note-sheet{transform:none}.desk-strip,.tile-grid,.tile-grid.two,.tile-grid.three,.footer-grid{grid-template-columns:1fr}.section-shell{padding:46px 0}.orange-wash{padding-left:18px;padding-right:18px}.tool-grid,.desk-grid{grid-template-columns:1fr}.workbench-layout{grid-template-columns:minmax(0,1fr)}.page-hero{padding-top:42px}.article-header h1{font-size:2.25rem}.site-footer{padding-top:34px}.footer-grid nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:390px){.nav-shell{gap:10px}.brand{font-size:.92rem}.brand-mark{width:30px;height:30px}.hero-actions{display:grid}.button{width:100%}.editorial-card,.tool-card,.desk-card{padding:18px}.page-hero h1{overflow-wrap:anywhere}.tool-workbench{padding:20px}}@media(max-width:360px){main,.nav-shell{width:calc(100% - 20px)}.editor-note{padding:24px 18px}.top-nav{left:10px;right:10px}.footer-grid nav{grid-template-columns:1fr}}