@charset "UTF-8";
:root{color-scheme:light;--bg:#fcfaf7;--surface:#fff;--soft:#f5efe8;--ink:#272522;--muted:#77716a;--quiet:#958d83;--line:#e9e2d9;--accent:#a44813;--accent-hover:#86370d;--accent-soft:#fae9db;--shadow:0 7px 24px #633d1105;--serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;--sans:"Bahnschrift","DengXian","PingFang SC",sans-serif;--mono:"Cascadia Code","Consolas",monospace}
[data-theme="dark"]{color-scheme:dark;--bg:#181714;--surface:#22211d;--soft:#25221d;--ink:#f1ebe2;--muted:#b3a99d;--quiet:#9f9486;--line:#39332a;--accent:#e0a16b;--accent-hover:#edb58b;--accent-soft:#38291e;--shadow:0 7px 24px #00000012}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:125px}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.75 var(--sans);-webkit-font-smoothing:antialiased}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}a{color:inherit;text-decoration:none}svg{display:block;width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}button:focus-visible,a:focus-visible,summary:focus-visible,[tabindex="0"]:focus-visible{outline:2px solid var(--accent);outline-offset:5px}::selection{background:var(--accent-soft);color:var(--accent)}.svg-library{position:absolute;width:0;height:0;overflow:hidden}.container{width:min(1190px,calc(100% - 96px));margin-inline:auto}.skip-link{position:absolute;top:-100px;left:20px;padding:10px;background:var(--surface);z-index:50}.skip-link:focus{top:15px}.preview-note{height:30px;display:flex;align-items:center;justify-content:center;gap:8px;font-size:10px;color:var(--quiet);letter-spacing:.03em}.preview-note>span:first-child{width:4px;height:4px;border-radius:50%;background:var(--accent);opacity:.6}.preview-separator{margin-inline:4px;opacity:.4}.header{position:sticky;top:12px;z-index:20}.nav-shell{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 24px;border:1px solid #ffffffcc;background:color-mix(in srgb,var(--surface) 83%,transparent);border-radius:18px;box-shadow:0 3px 20px #6d543308,0 1px 1px #6d543305;backdrop-filter:blur(18px);position:relative}[data-theme="dark"] .nav-shell{border-color:var(--line)}.brand{display:inline-flex;align-items:center;gap:8px;flex-shrink:0}.brand-mark{width:29px;height:35px;display:grid;place-items:center;color:var(--accent)}.brand-mark svg{width:27px;height:32px;stroke-width:2}.brand>span:last-child{font:600 27px/1 var(--serif);letter-spacing:-.06em}.brand-period{color:var(--accent)}.brand small{display:block;font:9px/1 var(--sans);letter-spacing:.3em;color:var(--quiet);margin-top:6px;margin-left:2px}.desktop-nav{display:flex;align-items:center;gap:26px;font-size:13px}.desktop-nav a{color:var(--muted);transition:color .2s}.desktop-nav a:hover,.desktop-nav .active{color:var(--accent)}.nav-actions{display:flex;align-items:center;gap:20px}.icon-button{display:inline-grid;place-items:center;width:32px;height:32px;padding:6px;border:0;background:transparent;color:var(--muted);border-radius:7px}.icon-button:hover{background:var(--soft);color:var(--accent)}.theme-toggle .sun{display:none}[data-theme="dark"] .theme-toggle .sun{display:block}[data-theme="dark"] .theme-toggle .moon{display:none}.login{font-size:12px;color:var(--muted)}.button{display:inline-flex;align-items:center;justify-content:center;gap:23px;padding:15px 24px;background:var(--accent);color:#fff;border:1px solid var(--accent);border-radius:9px;font-size:14px;font-weight:600;box-shadow:0 5px 13px #a4481310;transition:background .2s,transform .2s}.button:hover{background:var(--accent-hover);transform:translateY(-2px)}[data-theme="dark"] .button{color:#21180f}.button svg{width:18px;height:18px}.button-small{font-size:12px;padding:10px 15px;gap:12px;border-radius:7px}.button-small svg{width:14px;height:14px}.button-secondary{background:var(--surface);border-color:var(--line);color:var(--ink);box-shadow:none}.button-secondary:hover{background:var(--soft)}.menu-toggle{display:none}.mobile-nav{position:absolute;top:calc(100% + 10px);left:0;right:0;padding:12px 22px;border:1px solid var(--line);border-radius:14px;background:var(--surface);box-shadow:var(--shadow)}.mobile-nav a{display:block;padding:10px 0;color:var(--muted)}
.hero{display:grid;grid-template-columns:1.12fr 1fr;align-items:center;gap:20px;min-height:565px;padding-top:55px;padding-bottom:38px}.eyebrow-pill{display:inline-flex;align-items:center;gap:7px;background:var(--accent-soft);color:var(--accent);font:10px/1.2 var(--sans);letter-spacing:.06em;padding:8px 12px;border-radius:30px;margin-bottom:23px}.eyebrow-pill>span{font-size:12px}h1{font:500 clamp(46px,4.7vw,68px)/1.35 var(--serif);letter-spacing:-.04em;margin:0 0 24px}.accent{color:var(--accent)}.hero-description{color:var(--muted);font-size:15px;line-height:1.95;margin:0}.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-top:30px}.hero-points{display:flex;gap:18px;font-size:11px;color:var(--muted);margin-top:21px}.hero-points i{font-style:normal;color:var(--accent);margin-right:4px}.gateway-scene{height:450px;position:relative;isolation:isolate;width:100%;max-width:520px;margin-left:auto}.scene-halo{position:absolute;inset:-10px -15px 0;background:radial-gradient(ellipse at 50% 46%,#e9c6a53d,transparent 67%);z-index:-1}.scene-grid{position:absolute;inset:50px 15px 15px;z-index:-1;opacity:.5;background-image:radial-gradient(var(--line) .8px,transparent .8px);background-size:17px 17px;mask-image:radial-gradient(ellipse at center,#000,transparent 72%)}.scene-caption{position:absolute;left:50%;top:0;transform:translateX(-50%);display:flex;gap:7px;align-items:center;font:8px var(--mono);letter-spacing:.07em;white-space:nowrap;color:var(--quiet)}.mini-dot{height:4px;width:4px;background:#bb9067;border-radius:50%}.connector-lines{position:absolute;inset:0;width:100%;height:100%;stroke:none}.link-track{stroke:color-mix(in srgb,var(--accent) 22%,var(--bg));stroke-width:1.5;stroke-dasharray:3 5}.flow-track{stroke:var(--accent);stroke-width:2;stroke-dasharray:3 160;opacity:.28;animation:flow 7s linear infinite}.flow-b{animation-delay:-3.5s}.scene-orbit{stroke:var(--accent);stroke-width:1;opacity:.08}.model-node{position:absolute;top:12%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--surface);width:103px;height:103px;border-radius:50%;border:1px solid var(--line);box-shadow:0 8px 22px #9a5a2004}.codex-node{left:calc(27% - 51px)}.claude-node{right:calc(27% - 51px)}.node-emblem{display:grid;place-items:center;color:var(--accent);height:32px;line-height:1}.node-emblem svg{width:25px;height:25px;stroke-width:1.8}.claude-emblem{font-size:34px}.model-node strong{font-size:13px;font-weight:500;margin-top:5px}.model-node small{font:7px var(--mono);color:var(--quiet);margin-top:3px}.gateway-center{position:absolute;top:calc(50% - 58px);left:calc(50% - 58px);width:116px;height:116px;background:linear-gradient(145deg,var(--surface),var(--accent-soft));border:1px solid color-mix(in srgb,var(--accent) 16%,var(--surface));border-radius:27px;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 10px 35px #ad6b2510,0 0 0 8px color-mix(in srgb,var(--accent-soft) 35%,transparent)}.center-icon svg{color:var(--accent);width:35px;height:35px;stroke-width:2}.gateway-center strong{font:600 18px/1.2 var(--serif);color:var(--accent);margin-top:5px;letter-spacing:-.04em}.gateway-center small{font:6px var(--mono);letter-spacing:.2em;color:var(--quiet);margin-top:5px}.client-node{display:flex;align-items:center;gap:10px;position:absolute;top:71%;border:1px solid var(--line);border-radius:11px;background:var(--surface);padding:12px 14px;box-shadow:0 5px 15px #74542b04;font-size:12px;line-height:1.3}.terminal-node{left:3%}.app-node{right:1%}.client-node>svg{width:21px;height:21px;color:var(--accent)}.client-node small{display:block;font:7px var(--mono);color:var(--quiet);margin-top:5px}.braces{font:19px var(--mono);color:var(--accent)}.endpoint-chip{position:absolute;bottom:7px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:13px;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:3px 6px 3px 12px;white-space:nowrap;box-shadow:var(--shadow)}.endpoint-chip>span{font:7px var(--mono);color:var(--quiet);letter-spacing:.03em}.endpoint-chip code{font:11px var(--mono);color:var(--accent)}.endpoint-chip .icon-button{width:25px;height:28px;padding:5px}.endpoint-chip svg{width:13px;height:13px}.scene-note{position:absolute;bottom:-16px;left:50%;transform:translateX(-50%);font-size:8px;white-space:nowrap;color:var(--quiet)}.tool-line{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-block:26px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:14px}.tool-line>span{font-size:11px;color:var(--quiet)}.tool-line>div{display:flex;align-items:center;gap:45px}.tool-line>div>span{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:500;color:var(--muted)}.tool-line svg{width:17px;height:17px}.tool-claude b{font-weight:400;font-size:25px;line-height:1;color:#b28a6c}.tool-curl{font-size:21px!important;line-height:1}.tool-curl small{font-size:15px}
.section{padding-top:84px;padding-bottom:8px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:30px}.eyebrow{font-size:12px;font-weight:600;color:var(--accent);letter-spacing:.03em;margin:0 0 12px}h2{font:500 34px/1.5 var(--serif);letter-spacing:-.035em;margin:0}h2>span{color:var(--accent)}.section-description{color:var(--muted);font-size:14px;line-height:1.9;margin:13px 0 0}.inline-link{display:inline-flex;align-items:center;gap:11px;color:var(--accent);font-size:12px;font-weight:500;white-space:nowrap}.inline-link svg{width:16px;height:16px;transition:transform .2s}.inline-link:hover svg{transform:translateX(4px)}.model-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}.model-card{border:1px solid var(--line);background:var(--surface);border-radius:14px;padding:23px 25px 0;box-shadow:var(--shadow);transition:transform .2s,border-color .2s}.model-card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--accent) 30%,var(--line))}.model-card-head{display:flex;align-items:center;gap:12px}.model-avatar{width:43px;height:43px;border:1px solid var(--line);border-radius:11px;background:var(--bg);display:grid;place-items:center;flex-shrink:0}.model-avatar svg{width:22px;height:22px;color:var(--ink)}.claude-avatar{font-size:32px;color:var(--accent);background:var(--accent-soft);border-color:transparent;line-height:1}.model-card h3{font-size:19px;line-height:1.3;font-weight:500;margin:0}.model-card-head p{font-size:11px;color:var(--quiet);margin:4px 0 0}.protocol-tag{font:8px var(--mono);color:var(--quiet);margin-left:auto;padding:4px 7px;border:1px solid var(--line);border-radius:5px}.model-card-body{display:flex;align-items:center;justify-content:space-between;margin-block:17px 15px;background:var(--bg);border-radius:7px;padding:8px 9px 8px 13px}.model-card-body code{font:12px var(--mono);color:var(--accent)}.model-card-body svg{width:14px;height:14px}.model-card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-block:14px;font-size:11px}.model-card-foot>span{color:var(--muted)}.model-card-foot a{color:var(--accent);display:flex;align-items:center;gap:6px}.model-card-foot svg{width:13px;height:13px}.fine-print{font-size:10px;color:var(--quiet);margin:15px 0 0;line-height:1.8}.quickstart{display:grid;grid-template-columns:.8fr 1.3fr;gap:55px;align-items:center;padding-top:100px;padding-bottom:15px}.quickstart h2{font-size:38px}.quickstart .section-description{font-size:14px}.setup-steps{list-style:none;margin:26px 0 24px;padding:0;display:grid;gap:21px}.setup-steps li{display:flex;gap:12px}.setup-steps li>span{font:9px var(--mono);color:var(--accent);height:26px;width:26px;display:grid;place-items:center;flex-shrink:0;border-radius:50%;border:1px solid var(--line);background:var(--surface)}.setup-steps strong{font-size:13px;font-weight:500}.setup-steps p{font-size:11px;color:var(--muted);margin:4px 0 0;line-height:1.8}.code-demo{background:#25252f;border:1px solid #34343f;border-radius:13px;color:#e9e7e3;box-shadow:0 15px 35px #3431260c;min-width:0;overflow:hidden}.code-tabs{display:flex;gap:4px;padding:12px 14px 0;border-bottom:1px solid #ffffff12}.code-tabs button{background:none;border:0;border-bottom:2px solid transparent;padding:11px 12px 12px;color:#a4a4b2;font-size:11px;white-space:nowrap}.code-tabs button[aria-selected="true"]{border-color:#e3b58e;color:#f5e6da;background:#ffffff06;border-radius:5px 5px 0 0}.code-tabs button:focus-visible{outline-offset:-5px;outline-color:#e3b58e}.code-toolbar{min-height:45px;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 18px;background:#202029;border-bottom:1px solid #ffffff08}.code-toolbar>span{font:9px var(--mono);color:#a4a3af;white-space:nowrap}.code-tools{display:flex;align-items:center;gap:12px}.os-switch{display:flex;gap:5px}.os-switch button{border:0;background:none;color:#8a8998;padding:2px 4px;font-size:8px;white-space:nowrap}.os-switch button[aria-pressed="true"]{color:#e6c5a8}.copy-code{display:flex;align-items:center;gap:5px;border:1px solid #ffffff16;border-radius:5px;background:#ffffff04;color:#cac9d3;padding:5px 7px;font-size:9px;white-space:nowrap}.copy-code:hover{background:#ffffff10}.copy-code svg{width:11px;height:11px}.code-panel{min-height:280px;padding:19px 0 20px;overflow-x:auto}.code-panel:focus-visible{outline-offset:-4px}pre{font:11px/2 var(--mono);tab-size:2;margin:0;white-space:pre;min-width:max-content}.code-line{display:block;padding:0 23px 0 18px;min-height:22px}.line-number{display:inline-block;width:28px;color:#747380;font-size:9px;user-select:none}.syntax-string{color:#e0b087}.syntax-key{color:#cdc4ee}.syntax-comment{color:#878491}.syntax-number{color:#b6cbb7}.code-footer{display:flex;align-items:center;gap:7px;padding:12px 18px;border-top:1px solid #ffffff0d;font-size:9px;color:#aaa4ad}.code-dot{width:4px;height:4px;border-radius:50%;background:#bd9a7c}.code-footer>span:last-child{margin-left:auto;font:8px var(--mono);color:#8e8995}.code-help{margin:0;padding:12px 18px 15px;background:#202029;border-top:1px solid #ffffff08;font-size:10px;line-height:1.9;color:#b2aab3}.code-help code{font:9px var(--mono)}.centered{display:block;text-align:center}.centered .section-description{margin-top:11px}.features{padding-top:100px}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px;margin-top:36px}.feature-grid article{padding:25px 22px 24px;background:var(--surface);border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow)}.feature-icon{display:grid;place-items:center;width:37px;height:37px;border-radius:9px;background:var(--accent-soft);color:var(--accent);margin-bottom:19px}.feature-icon svg{width:20px;height:20px}.feature-grid h3{font-size:15px;font-weight:500;margin:0 0 10px}.feature-grid p{color:var(--muted);font-size:12px;line-height:1.9;margin:0}.faq{padding-top:90px}.faq-list{max-width:790px;margin:32px auto 0;border:1px solid var(--line);background:var(--surface);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}.faq-list details+details{border-top:1px solid var(--line)}.faq-list summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:25px;cursor:pointer;padding:21px 26px;font-size:14px;font-weight:500}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary>span{font-size:21px;line-height:1;font-weight:400;color:var(--quiet);transition:transform .2s}.faq-list details[open] summary{color:var(--accent)}.faq-list details[open] summary>span{transform:rotate(45deg);color:var(--accent)}.faq-list details p{font-size:13px;color:var(--muted);line-height:1.9;margin:0;padding:0 58px 23px 26px;overflow-wrap:anywhere}.closing{text-align:center;padding-block:80px 70px;position:relative}.closing::before{content:"";position:absolute;inset:15px 15% 0;z-index:-1;background:radial-gradient(ellipse,#efd9c426,transparent 65%)}.closing-star{display:inline-block;font-size:28px;color:var(--accent);margin-bottom:15px}.closing h2{font-size:39px;line-height:1.5}.closing p{color:var(--muted);font-size:14px;margin:17px 0 25px}.footer{border-top:1px solid var(--line)}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-block:32px}.footer-top nav{display:flex;gap:25px;font-size:12px;color:var(--muted)}.footer-top>p{font:13px var(--serif);color:var(--muted)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-block:18px 24px;font-size:10px;color:var(--quiet)}.toast{position:fixed;bottom:24px;left:50%;z-index:50;transform:translate(-50%,10px);opacity:0;pointer-events:none;background:var(--ink);color:var(--bg);border-radius:9px;padding:12px 22px;box-shadow:var(--shadow);font-size:12px;max-width:calc(100% - 40px);text-align:center;transition:transform .2s,opacity .2s}.toast.visible{opacity:1;transform:translate(-50%,0)}
[hidden]{display:none!important}
@keyframes flow{to{stroke-dashoffset:-326}}
@media(min-width:1500px){.hero{min-height:625px}.gateway-scene{height:480px}.model-node{top:15%}.gateway-center{top:calc(50% - 58px)}}
@media(max-width:1100px){.container{width:calc(100% - 64px)}.nav-shell{padding-inline:19px}.desktop-nav{gap:18px;font-size:12px}.nav-actions{gap:14px}.hero{grid-template-columns:1.05fr 1fr;gap:10px}.hero-description{font-size:14px}.hero h1{font-size:53px}.gateway-scene{height:410px}.model-node{width:90px;height:90px}.codex-node{left:calc(27% - 45px)}.claude-node{right:calc(27% - 45px)}.gateway-center{width:104px;height:104px;left:calc(50% - 52px);top:calc(50% - 52px);border-radius:24px}.client-node{padding:10px 11px;font-size:10px}.client-node small{font-size:6px}.terminal-node{left:0}.app-node{right:0}.tool-line>div{gap:29px}.quickstart{gap:34px;grid-template-columns:.75fr 1.25fr}.quickstart h2{font-size:33px}.code-toolbar{flex-wrap:wrap;gap:8px}.code-toolbar>span{font-size:8px}.code-tabs button{padding-inline:9px;font-size:10px}.code-tools{margin-left:auto}.code-panel{min-height:280px}.feature-grid{gap:13px}.feature-grid article{padding:23px 18px}.feature-grid h3{font-size:14px}}
@media(max-width:850px){.desktop-nav{gap:15px}.desktop-nav a:first-child,.desktop-nav a:nth-child(4){display:none}.login{display:none}.hero h1{font-size:48px}.hero .desktop-break{display:none}.hero-points{gap:12px;font-size:10px}.button{padding:13px 18px;font-size:12px;gap:14px}.button-small{padding:9px 12px;font-size:11px}.tool-line{align-items:flex-start;flex-direction:column;gap:15px}.tool-line>div{gap:35px}.quickstart{grid-template-columns:1fr;gap:30px}.quickstart-copy{display:grid;grid-template-columns:1fr 1fr;column-gap:35px}.quickstart-copy>.eyebrow{grid-column:1}.quickstart-copy h2{grid-column:1}.quickstart-copy>.section-description{grid-column:1}.setup-steps{grid-column:2;grid-row:1/5;margin:0}.quickstart-copy>.inline-link{margin-top:20px;grid-column:1;justify-self:start}.code-toolbar{flex-wrap:nowrap}.feature-grid{grid-template-columns:1fr 1fr}.feature-grid article{padding:25px}.hero-actions{gap:10px}.model-card{padding-inline:20px}.protocol-tag{font-size:7px;padding-inline:5px}}
@media(max-width:640px){html{scroll-padding-top:105px}.container{width:calc(100% - 36px)}.preview-note{font-size:9px;height:27px}.header{top:8px}.nav-shell{height:65px;padding-inline:15px;border-radius:14px}.brand{gap:5px}.brand-mark{width:23px}.brand-mark svg{width:23px}.brand>span:last-child{font-size:24px}.brand small{font-size:8px;letter-spacing:.23em;margin-top:5px}.desktop-nav{display:none}.nav-actions{gap:8px}.theme-toggle{width:30px;height:30px}.theme-toggle svg{width:18px;height:18px}.button-small{font-size:10px;padding:8px 10px;gap:6px}.button-small svg{width:12px;height:12px}.menu-toggle{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;width:24px;padding:3px}.menu-toggle>span{height:1px;width:17px;background:var(--ink)}.hero{grid-template-columns:1fr;gap:21px;min-height:0;padding-top:48px;padding-bottom:22px}.eyebrow-pill{font-size:8px;padding:7px 10px;margin-bottom:21px}.hero h1{font-size:49px;line-height:1.35;margin-bottom:20px;letter-spacing:-.055em}.hero-description{font-size:14px;line-height:1.95}.hero-actions{margin-top:25px;gap:10px}.hero-actions .button{font-size:12px;padding:13px 19px;gap:18px}.hero-points{margin-top:20px;font-size:10px;gap:18px}.gateway-scene{height:365px;max-width:440px;margin-inline:auto}.scene-caption{font-size:7px;top:5px}.model-node{width:83px;height:83px;top:14%}.codex-node{left:calc(27% - 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@media(max-width:359px){.hero h1{font-size:43px}.nav-actions{gap:5px}.nav-actions .button-small svg{display:none}.feature-grid{grid-template-columns:1fr}.hero-points{gap:12px}.hero-actions .button{padding-inline:15px;gap:12px}.gateway-scene{height:335px}.client-node{padding:8px 7px;gap:6px;font-size:9px}.client-node small{font-size:5px}.code-tabs button{font-size:9px;padding-inline:7px}.protocol-tag{font-size:7px}.tool-line>div{display:grid;grid-template-columns:1fr 1fr;gap:15px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}