:root{--ink:#172019;--muted:#5d6a60;--line:#dce4dc;--paper:#fff;--ground:#f5f8f4;--leaf:#156f45;--leaf-dark:#0d4e31;--lime:#dfff72;--code:#112017;--max:1180px;--shadow:0 12px 28px rgba(26,43,30,.08);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);line-height:1.65;font-size:16px;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}code,pre{font-family:Consolas,"Courier New",monospace}code{font-size:.92em;color:#0a613a;background:#edf6ef;padding:.1em .35em;border-radius:3px}.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;z-index:100;background:#fff;padding:.5rem 1rem}
.site-nav{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.nav-inner{max-width:var(--max);height:68px;margin:auto;padding:0 24px;display:flex;align-items:center;gap:22px}.brand{font-weight:800;font-size:19px;display:flex;align-items:center;gap:9px;white-space:nowrap}.brand-mark{width:26px;height:26px;background:var(--lime);border:2px solid var(--ink);border-radius:8px;display:inline-block;position:relative}.brand-mark:after{content:"";position:absolute;background:var(--ink);width:5px;height:5px;border-radius:50%;left:8px;top:8px}.nav-links{display:flex;align-items:center;gap:20px;margin-left:auto}.nav-links a{font-size:14px;font-weight:650;color:#475349}.nav-links a:hover,.nav-links a[aria-current=page]{color:var(--leaf)}.nav-actions{display:flex;gap:9px;align-items:center}.button{display:inline-flex;justify-content:center;align-items:center;gap:7px;min-height:40px;padding:9px 14px;border:1px solid var(--leaf);border-radius:6px;font-weight:750;font-size:14px;cursor:pointer;transition:.16s ease}.button.primary{background:var(--leaf);color:#fff}.button.primary:hover{background:var(--leaf-dark)}.button.secondary{background:#fff;color:var(--leaf)}.button.secondary:hover{background:#eff8f0}.button.ghost{border-color:var(--line);color:var(--ink);background:#fff}.button.small{min-height:34px;padding:6px 10px;font-size:13px}.nav-toggle{display:none;margin-left:auto;border:0;background:transparent;font-size:24px;color:var(--ink);cursor:pointer}
.page-hero{background:var(--ground);border-bottom:1px solid var(--line)}.hero-inner{max-width:var(--max);margin:auto;padding:76px 24px 66px;display:grid;grid-template-columns:1.3fr .7fr;gap:50px;align-items:end}.eyebrow{margin:0 0 14px;text-transform:uppercase;letter-spacing:0;font-size:12px;font-weight:800;color:var(--leaf)}h1,h2,h3,h4{line-height:1.25;margin:0;color:var(--ink);letter-spacing:0}h1{font-size:48px;max-width:760px}h2{font-size:31px}h3{font-size:21px;margin-top:34px}h4{font-size:16px}.hero-copy>p{font-size:18px;color:var(--muted);max-width:670px;margin:17px 0 27px}.hero-actions{display:flex;flex-wrap:wrap;gap:10px}.hero-note{background:var(--paper);border:1px solid var(--line);border-top:4px solid var(--lime);padding:23px;box-shadow:var(--shadow)}.hero-note strong{font-size:18px}.hero-note p{color:var(--muted);font-size:14px;margin:9px 0 0}
.container{max-width:var(--max);padding:0 24px;margin:auto}.section{padding:70px 0;border-bottom:1px solid var(--line)}.section:last-child{border-bottom:0}.section-head{max-width:720px;margin-bottom:29px}.section-head p{color:var(--muted);margin:10px 0 0}.overview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.overview{border:1px solid var(--line);padding:20px;background:#fff;border-radius:6px}.overview .num{color:var(--leaf);font-size:13px;font-weight:800}.overview h3{font-size:18px;margin:7px 0}.overview p{color:var(--muted);font-size:14px;margin:0}
.quick-tabs{display:flex;flex-wrap:wrap;gap:6px;border-bottom:1px solid var(--line);padding-bottom:14px}.quick-tab{padding:8px 12px;border:1px solid var(--line);background:#fff;border-radius:5px;font-size:14px;font-weight:700;cursor:pointer;color:#435046}.quick-tab.active,.quick-tab:hover{color:#fff;background:var(--leaf);border-color:var(--leaf)}.tab-panel{display:none;padding-top:26px;grid-template-columns:1fr 1fr;gap:30px}.tab-panel.active{display:grid}.steps{display:grid;gap:16px}.step{display:grid;grid-template-columns:28px 1fr;gap:12px}.step-no{background:var(--lime);border:1px solid var(--ink);height:28px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:12px;font-weight:800}.step h3{font-size:17px;margin:0}.step p{margin:5px 0;color:var(--muted);font-size:14px}
.codebox{background:var(--code);color:#e7f3e7;border-radius:6px;overflow:hidden;min-width:0}.codebar{display:flex;align-items:center;justify-content:space-between;padding:9px 12px;color:#b7cbb9;background:#1c2f22;font:12px Consolas,"Courier New",monospace}.copy{border:1px solid #5e7463;color:#e7f3e7;background:transparent;border-radius:4px;padding:4px 8px;cursor:pointer;font:12px inherit}.copy:hover{background:#29482f}.codebox pre{padding:17px;margin:0;overflow:auto;font-size:13px;line-height:1.6;white-space:pre}
.doc-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:48px;padding-top:46px}.side-nav{position:sticky;top:91px;height:max-content;border-left:2px solid var(--line)}.side-nav a{display:block;padding:6px 0 6px 13px;color:var(--muted);font-size:14px}.side-nav a:hover{color:var(--leaf);border-left:2px solid var(--leaf);margin-left:-2px}.doc-content{max-width:800px;min-width:0;padding-bottom:72px;overflow-wrap:anywhere}.doc-content>p,.doc-content>ul,.doc-content>ol{color:#344137}.doc-content>p{margin:12px 0}.doc-content li{margin:7px 0}.doc-content h2{margin:0;padding-top:17px;font-size:30px}.doc-content h2:not(:first-child){margin-top:50px}.doc-content .codebox{margin:17px 0}.notice{padding:15px 17px;border-left:4px solid var(--leaf);background:#f0f8f1;color:#344137;margin:20px 0}.notice.warn{background:#fff7df;border-color:#d18a00}.notice strong{color:var(--ink)}.comparison,.spec-table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px}.comparison th,.comparison td,.spec-table th,.spec-table td{padding:12px;border:1px solid var(--line);vertical-align:top;text-align:left}.comparison th,.spec-table th{background:#f1f6f1;font-size:13px}
.flow{display:flex;align-items:stretch;gap:10px;margin:22px 0}.flow-box{flex:1;min-width:0;border:1px solid var(--line);border-top:4px solid var(--leaf);background:#fff;padding:16px;border-radius:5px}.flow-arrow{display:flex;align-items:center;color:var(--leaf);font-size:26px}.flow-box strong{display:block;overflow-wrap:anywhere}.flow-box span{font-size:13px;color:var(--muted)}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.tool-card{border:1px solid var(--line);border-radius:6px;padding:20px;display:flex;flex-direction:column;min-height:240px}.tool-icon{width:42px;height:42px;border:1px solid var(--ink);background:var(--lime);border-radius:6px;display:grid;place-items:center;font-weight:900}.tool-card h3{margin:17px 0 8px;font-size:19px}.tool-card p{color:var(--muted);font-size:14px;margin:0}.tool-links{margin-top:auto;padding-top:17px;display:flex;gap:8px}.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.download-card{border:1px solid var(--line);padding:18px;border-radius:6px}.download-card h3{margin:0;font-size:18px}.download-card p{margin:7px 0 15px;color:var(--muted);font-size:14px}.download-card .button{width:100%;margin-top:8px}
.tutorial-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:22px 0}.tutorial-figure{margin:0;border:1px solid var(--line);background:#fff;border-radius:6px;overflow:hidden}.tutorial-figure img{display:block;width:100%;height:auto;background:#f2f5f2}.tutorial-figure figcaption{padding:10px 12px;color:var(--muted);font-size:13px}.tutorial-figure.wide{grid-column:1/-1}.tutorial-figure.wide img{max-height:620px;object-fit:contain}.tutorial-figure img[loading=lazy]{content-visibility:auto}
.tutorial-gallery.codex-gallery{grid-template-columns:1fr;gap:28px}.codex-gallery .tutorial-figure{border-radius:8px}.codex-gallery .tutorial-figure img,.codex-gallery .tutorial-figure.wide img{max-height:none;object-fit:contain}.codex-gallery .tutorial-figure figcaption{padding:13px 16px;font-size:14px}.figure-step{display:inline-grid;place-items:center;width:24px;height:24px;margin-right:7px;border-radius:50%;background:var(--lime);border:1px solid var(--ink);color:var(--ink);font-weight:800;font-size:12px}
.search-button{border:1px solid var(--line);background:#fff;border-radius:5px;padding:8px 10px;color:#4b574d;cursor:pointer;white-space:nowrap}.search-dialog{position:fixed;inset:0;background:rgba(15,29,19,.46);z-index:70;display:none;align-items:flex-start;justify-content:center;padding:12vh 20px}.search-dialog.open{display:flex}.search-panel{width:min(660px,100%);background:#fff;border-radius:7px;box-shadow:0 30px 80px rgba(0,0,0,.25);overflow:hidden}.search-panel input{width:100%;padding:18px;border:0;border-bottom:1px solid var(--line);font-size:16px;outline:none}.search-results{max-height:53vh;overflow:auto;padding:8px}.search-result{display:block;padding:12px;border-radius:5px}.search-result:hover{background:#eef7ef}.search-result strong{display:block;font-size:15px}.search-result span{display:block;color:var(--muted);font-size:13px;margin-top:2px}.footer{background:#112017;color:#d8e8da;padding:35px 24px}.footer-inner{max-width:var(--max);margin:auto;display:flex;justify-content:space-between;gap:20px;font-size:14px}.footer small{color:#9db4a2}.faq-list details{border:1px solid var(--line);border-radius:5px;margin:10px 0;padding:0 16px}.faq-list summary{padding:15px 0;font-weight:700;cursor:pointer}.faq-list p{color:var(--muted);margin:0 0 15px}.endpoint{font-family:Consolas,"Courier New",monospace;color:var(--leaf);font-size:14px}.badge{display:inline-block;background:var(--lime);border:1px solid #a8c84c;padding:2px 7px;border-radius:3px;font-size:12px;font-weight:750}
@media(max-width:980px){.nav-links{display:none}.nav-links.open{display:flex;position:absolute;left:0;right:0;top:68px;background:#fff;border-bottom:1px solid var(--line);padding:16px 24px;flex-direction:column;align-items:flex-start}.nav-toggle{display:block}.nav-actions{margin-left:auto}.hero-inner{grid-template-columns:1fr;gap:28px}.hero-note{max-width:620px}.overview-grid,.tool-grid{grid-template-columns:repeat(2,1fr)}.doc-layout{grid-template-columns:1fr}.side-nav{display:none}.download-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:650px){body{font-size:15px}.nav-inner{height:60px;padding:0 16px}.nav-actions .button.secondary{display:none}.nav-links.open{top:60px;padding:14px 16px}.brand{font-size:17px}.brand-mark{width:23px;height:23px}.hero-inner{padding:55px 16px 48px}.container{padding-left:16px;padding-right:16px}.section{padding:48px 0}h1{font-size:35px}h2,.doc-content h2{font-size:26px}.hero-copy>p{font-size:16px}.overview-grid,.tool-grid,.download-grid,.tab-panel,.tutorial-gallery{grid-template-columns:1fr}.flow{flex-direction:column}.flow-arrow{justify-content:center;transform:rotate(90deg)}.quick-tabs{flex-wrap:nowrap;overflow-x:auto}.quick-tab{white-space:nowrap}.footer-inner{display:block}.footer small{display:block;margin-top:7px}.spec-table,.comparison{display:block;overflow:auto;white-space:nowrap}.spec-table td,.comparison td{white-space:normal;min-width:140px}.search-button{font-size:0;padding:8px}.search-button:before{content:"Search";font-size:12px}.tutorial-figure.wide{grid-column:auto}}