.brand:where(.astro-6bctqxxv){color:var(--ink,#152923);white-space:nowrap;align-items:center;gap:11px;font-size:17px;font-weight:650;line-height:1.25;text-decoration:none;display:inline-flex}.brand-symbol:where(.astro-6bctqxxv){color:#fff;background:#163e30;border-radius:10px;place-items:center;width:38px;height:38px;display:grid}.brand-sub:where(.astro-6bctqxxv){letter-spacing:.075em;color:var(--muted,#66736d);margin-top:5px;font-size:10px;font-weight:450;display:block}@layer base{:root{--ink:#1b2e27;--muted:#6c7771;--green:#1f6147;--line:#e3e8e3;--soft:#f5f7f3;--font:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);font-family:var(--font);font-synthesis:none;background:#fff;font-size:15px;line-height:1.7}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline-offset:5px;outline:3px solid #89bfa3}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.35}svg{vertical-align:middle;flex-shrink:0}::selection{background:#d9eadc}html{scroll-behavior:smooth;scroll-padding-top:95px}.wrap{max-width:1180px;margin-inline:auto;padding-inline:32px}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.skip-link{z-index:100;background:var(--ink);color:#fff;padding:10px 20px;position:fixed;top:-100px;left:20px}.skip-link:focus{top:10px}}@layer components{.site-header{border-bottom:1px solid var(--line);background:#fff;height:88px}.header-inner{justify-content:space-between;align-items:center;gap:30px;max-width:1320px;height:100%;margin:auto;padding:0 40px;display:flex}.header-inner nav{align-items:center;gap:35px;font-size:14px;display:flex}.header-inner nav a{color:#627069;padding:31px 0;position:relative}.header-inner nav a:hover,.header-inner nav a[aria-current]{color:var(--ink)}.header-inner nav a[aria-current]:after{content:"";background:var(--green);height:2px;position:absolute;bottom:21px;left:0;right:0}.search-trigger{border:1px solid var(--line);color:var(--muted);background:#f8f9f7;border-radius:7px;align-items:center;gap:10px;width:193px;padding:8px 10px;font-size:12px;display:flex}.search-trigger kbd{font:10px var(--font);color:#8b938c;border:1px solid #dfe5de;border-radius:3px;margin-left:auto;padding:0 4px}.search-dialog{border:1px solid var(--line);width:min(650px,100% - 32px);max-height:75vh;color:var(--ink);border-radius:14px;margin:0 auto;padding:26px;top:13vh;box-shadow:0 25px 100px #102b2730}.search-dialog::backdrop{backdrop-filter:blur(4px);background:#10251f66}.search-top{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.search-top h2{font-size:19px}.search-top button{color:var(--muted);background:0 0;border:0;font-size:12px}.search-dialog input{width:100%;color:var(--ink);background:#fff;border:1px solid #a2b7a8;border-radius:6px;padding:12px}.search-status{color:var(--muted);margin:18px 0;font-size:13px}.search-results{margin:0;padding:0;list-style:none}.search-results li+li{border-top:1px solid var(--line)}.search-results a{border-radius:5px;padding:14px 8px;display:block}.search-results a:hover{background:var(--soft)}.search-results strong{font-size:16px}.search-results p{color:var(--muted);margin-top:6px;font-size:13px}.hero{grid-template-columns:1.1fr 1fr;align-items:center;gap:68px;padding-block:89px 82px;display:grid}.hero h1{letter-spacing:-1.8px;font-size:clamp(36px,3.8vw,51px);font-weight:650;line-height:1.48}.hero h1 span{color:#347354}.hero-copy>p{color:var(--muted);margin-top:23px;font-size:16px;line-height:1.95}.hero-actions{align-items:center;gap:24px;margin-top:32px;display:flex}.button{border-radius:6px;justify-content:center;align-items:center;gap:16px;padding:13px 20px;font-size:14px;font-weight:550;transition:background .18s,transform .18s;display:inline-flex}.primary{color:#fff;background:#224f3c}.primary:hover{background:#153d2b;transform:translateY(-1px)}.text-link{align-items:center;gap:10px;font-size:13px;font-weight:550;display:inline-flex}.text-link:hover{color:var(--green)}.hero-note{color:#919a93;letter-spacing:.07em;align-items:center;gap:10px;margin-top:24px;font-size:11px;display:flex}.note-line{background:#a8b5ab;width:20px;height:1px}.hero-visual{background:#f2f5ee;border:1px solid #e4eadf;border-radius:14px;margin:0 6px 0 0;padding:27px 27px 19px;position:relative;transform:rotate(-1.1deg)}.visual-label{color:#879382;letter-spacing:.1em;margin-bottom:16px;font-size:11px}.conversation{color:#586852;background:#fff;border:1px solid #e0e6db;border-radius:7px;align-items:center;gap:11px;margin-left:30px;padding:13px 15px;font-size:12px;display:flex;box-shadow:0 3px 9px #25332303}.visual-dot{border:1.5px solid #9eac95;border-radius:50%;width:9px;height:9px}.journey-line{border-left:1px dashed #a5bba1;height:20px;margin-left:60px}.work-sheet{background:#fff;border:1px solid #dbe4d6;border-radius:9px;overflow:hidden;box-shadow:0 12px 24px #29472d08}.sheet-top{border-bottom:1px solid #edf0e8;align-items:center;gap:10px;padding:17px 21px;font-size:12px;font-weight:550;display:flex}.sheet-mark{color:#517446;background:#e9f1e4;border-radius:3px;padding:0 5px;font-size:12px}.sheet-step{border-bottom:1px solid #f0f2ec;align-items:center;gap:17px;margin:0 22px;padding:14px 0;display:flex}.sheet-step>span:first-child{color:#8b9d80;font-family:monospace;font-size:11px}.sheet-step strong{font-size:12px;font-weight:550;display:block}.sheet-step small{color:#939d8c;margin-top:2px;font-size:10px;display:block}.step-check{color:#799967;margin-left:auto;font-size:12px}.sheet-bottom{color:#85917d;background:#fbfcf9;align-items:center;gap:7px;padding:11px 22px;font-size:10px;display:flex}.status-dot{background:#8ea17d;border-radius:50%;width:5px;height:5px}.visual-caption{text-align:right;color:#9ba690;letter-spacing:.12em;margin-top:14px;font:8px monospace}.section-heading{justify-content:space-between;align-items:flex-end;gap:25px;margin-bottom:28px;display:flex}.section-number{letter-spacing:.12em;color:#829184;margin-bottom:11px;font-size:10px;display:block}.section-heading h2,.start-intro h2{letter-spacing:-.5px;font-size:27px;font-weight:600}.section-heading>p{color:var(--muted);margin-bottom:3px;font-size:12px}.paths{padding-top:30px}.path-grid{grid-template-columns:1fr 1fr;gap:24px;display:grid}.path-panel{border:1px solid var(--line);border-radius:10px;padding:29px 30px 0;transition:border-color .2s,transform .2s}.path-panel:hover{border-color:#9bab9f;transform:translateY(-3px)}.chatgpt-panel{background:#f7f9f4}.codex-panel{background:#f6f8fa}.path-top{color:#7a8879;align-items:center;gap:12px;font-size:11px;display:flex}.path-top>svg{margin-left:auto}.path-symbol{color:#487352;background:#fff;border:1px solid #dfe8da;border-radius:7px;place-items:center;width:35px;height:35px;font-size:28px;display:grid}.mono{color:#617284;font-family:monospace;font-size:17px}.path-panel h3{margin-top:21px;font-size:24px;font-weight:600}.path-panel>p{color:#7a827b;margin-top:12px;font-size:13px;line-height:1.9}.path-bottom{color:#8b968c;border-top:1px solid #e1e8df;justify-content:space-between;align-items:center;gap:10px;margin-top:26px;padding:17px 0;font-size:10px;display:flex}.path-bottom strong{color:#4c6854;align-items:center;gap:8px;font-size:11px;font-weight:550;display:flex}.path-bottom svg{width:16px}.start-section{grid-template-columns:.9fr 1.4fr;gap:80px;margin-top:28px;padding-block:75px;display:grid}.start-intro h2{line-height:1.6}.start-intro p{color:var(--muted);margin-top:16px;font-size:13px;line-height:1.9}.start-steps{margin:0;padding:0;list-style:none}.start-steps li{border-bottom:1px solid var(--line);gap:24px;padding:20px 0;display:flex}.start-steps li:first-child{padding-top:0}.start-steps li>span{color:#8c9d89;padding-top:5px;font-family:monospace;font-size:11px}.start-steps li>div{flex:1}.start-steps a{justify-content:space-between;align-items:center;font-size:16px;font-weight:550;display:flex}.start-steps a:hover{color:var(--green)}.start-steps p{color:var(--muted);margin-top:7px;font-size:12px}.start-steps svg{color:#879281;width:17px}.latest{padding-block:15px 60px}.article-row{border-bottom:1px solid var(--line);align-items:center;gap:22px;padding:24px 0;display:flex}.article-row:first-child{border-top:1px solid var(--line)}.article-row:hover h3{color:var(--green)}.article-category{color:#4f7357;text-align:center;background:#eff5ec;border-radius:4px;flex-shrink:0;width:65px;padding:4px 0;font-size:10px;font-weight:550}.article-category.is-codex{color:#617187;background:#eef2f6}.article-summary{flex:1;min-width:0}.article-summary h3{font-size:16px;font-weight:550;line-height:1.5}.article-summary p{color:var(--muted);-webkit-line-clamp:1;-webkit-box-orient:vertical;margin-top:6px;font-size:12px;display:-webkit-box;overflow:hidden}.article-level{color:#8b958b;white-space:nowrap;margin-left:14px;font-size:11px}.article-row>svg{color:#99a291;width:17px}.editorial-note{border-block:1px solid var(--line);background:linear-gradient(90deg,#f5f8f2,#fff);align-items:center;gap:26px;margin-bottom:65px;padding-block:36px;display:flex}.note-icon{color:#809774;font:45px Georgia,serif}.editorial-note h2{font-size:19px;font-weight:550}.editorial-note p{color:var(--muted);margin-top:9px;font-size:12px;line-height:1.9}.editorial-note>a{white-space:nowrap;margin-left:auto}.site-footer{border-top:1px solid var(--line);background:#fafbf9}.footer-inner,.footer-bottom{justify-content:space-between;gap:30px;max-width:1180px;margin:auto;padding-inline:32px;display:flex}.footer-inner{padding-block:38px}.footer-inner p{color:#899287;margin-top:17px;font-size:11px}.footer-links{color:#6f7b70;align-items:flex-start;gap:29px;padding-top:15px;font-size:12px;display:flex}.footer-links a:hover{color:var(--green)}.footer-bottom{border-top:1px solid var(--line);color:#8c968a;padding-block:17px;font-size:10px}.topic-hero{border-bottom:1px solid var(--line);padding-block:55px 65px}.breadcrumb{color:var(--muted);font-size:12px}.topic-hero h1{letter-spacing:-1px;margin-top:40px;font-size:42px}.topic-hero p{max-width:650px;color:var(--muted);margin-top:22px;font-size:16px;line-height:1.9}.topic-hero .button{margin-top:27px}.topic-body{padding-block:50px}.topic-next{background:var(--soft);justify-content:space-between;align-items:center;gap:25px;margin-bottom:55px;padding-block:35px;display:flex}.topic-next h2{font-size:21px;font-weight:550}.about-page{max-width:810px;padding-block:55px 85px}.about-page h1{margin-top:34px;font-size:43px;line-height:1.55}.about-page .lead{color:var(--muted);margin-top:25px;font-size:18px}.about-page h2{margin-top:40px;margin-bottom:16px;font-size:23px}.about-page p,.about-page li{color:#626f66;line-height:2}.about-page a:not(.breadcrumb){color:var(--green);text-underline-offset:4px;text-decoration:underline}@media (width>=1500px){.hero{padding-block:105px 95px}}@media (width<=1020px){.header-inner{gap:20px;padding-inline:25px}.header-inner nav{gap:22px}.search-trigger{width:auto}.search-trigger kbd{display:none}.hero{gap:30px}.hero-actions{flex-wrap:wrap;gap:18px}.hero-visual{padding:20px}.path-panel{padding-inline:23px}.path-bottom>span{font-size:9px}.start-section{gap:45px}}@media (width<=760px){.wrap{padding-inline:22px}.site-header{height:auto}.header-inner{flex-wrap:wrap;gap:14px;padding:18px 22px 0}.header-inner nav{order:3;justify-content:space-between;gap:16px;width:100%}.header-inner nav a{padding:10px 0 14px;font-size:13px}.header-inner nav a[aria-current]:after{bottom:0}.search-trigger{padding:9px}.search-trigger span{display:none}.hero{grid-template-columns:1fr;gap:38px;padding-block:48px}.hero h1{letter-spacing:-1.5px;font-size:39px}.hero-copy>p{margin-top:17px;font-size:14px}.hero-actions{gap:19px;margin-top:25px}.button{padding:12px 15px;font-size:13px}.text-link{font-size:12px}.hero-note{margin-top:19px;font-size:10px}.hero-visual{width:100%;max-width:450px;margin-inline:auto;padding:23px;transform:none}.section-heading{flex-direction:column;align-items:flex-start;gap:15px}.section-heading h2,.start-intro h2{font-size:24px}.section-heading>p{font-size:12px}.path-grid{grid-template-columns:1fr;gap:17px}.paths{padding-top:10px}.path-panel{padding:24px 24px 0}.path-panel h3{margin-top:15px;font-size:23px}.path-bottom>span{font-size:9px}.start-section{grid-template-columns:1fr;gap:30px;margin-top:10px;padding-block:45px}.start-intro h2 br,.start-intro p br{display:none}.start-intro p{margin-top:12px}.start-steps li{gap:18px}.start-steps a{font-size:15px}.start-steps p{font-size:12px}.latest{padding-block:20px 40px}.article-row{flex-wrap:wrap;gap:12px;padding-block:20px}.article-category{width:56px;font-size:9px}.article-summary{flex-basis:calc(100% - 95px)}.article-summary h3{font-size:14px}.article-summary p{font-size:11px}.article-level{display:none}.article-row>svg{width:13px}.editorial-note{margin-bottom:40px;flex-wrap:wrap;gap:15px;margin-inline:22px;padding:25px 20px}.note-icon{display:none}.editorial-note h2{font-size:18px}.editorial-note p{font-size:11px}.editorial-note>a{margin-left:0}.footer-inner{flex-direction:column;gap:12px;padding:30px 22px}.footer-links{flex-wrap:wrap;gap:20px;font-size:11px}.footer-bottom{flex-direction:column;gap:6px;padding-inline:22px;font-size:10px}.topic-hero{padding-block:35px 40px}.topic-hero h1{margin-top:25px;font-size:32px}.topic-hero p{font-size:14px}.topic-body{padding-block:35px}.topic-next{flex-direction:column;align-items:flex-start;margin:0 22px 40px;padding:24px}.topic-next h2{font-size:19px}.about-page{padding-block:35px 55px}.about-page h1{font-size:33px}.about-page .lead{font-size:16px}.about-page h2{font-size:21px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}}