@charset "UTF-8";
:root{--paper:#f6f5f0;--white:#fff;--ink:#19352f;--muted:#61736b;--line:#dce3dc;--green:#126b52;--green-dark:#0c513e;--mint:#e9f1e8;--error:#a63b32;--error-bg:#fff3ef;--radius:20px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:32px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,textarea{font:inherit}
button,a,textarea{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}
button:disabled{cursor:wait;opacity:.55}
a:focus-visible,button:focus-visible,textarea:focus-visible{outline:3px solid #d99e38;outline-offset:5px}
button:disabled:focus-visible{outline:3px solid #d99e38}
[hidden]{display:none!important}
h1,h2,h3,p{margin:0}
.wrap{width:min(1160px,calc(100% - 80px));margin-inline:auto}
.skip-link{position:fixed;top:12px;left:12px;z-index:10;padding:12px 18px;background:var(--white);border:2px solid var(--green);transform:translateY(-160%)}
.skip-link:focus{transform:translateY(0)}
.site-header{height:104px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:24px}
.brand{display:inline-flex;align-items:center;gap:12px;font-size:25px;font-weight:720;letter-spacing:.16em;flex-shrink:0}
.brand-mark{width:33px;height:33px;position:relative;display:block}
.brand-mark i{position:absolute;width:22px;height:24px;border:2px solid var(--green);border-radius:8px 8px 3px 8px;top:0;left:0}
.brand-mark i+ i{top:8px;left:10px;background:var(--green);border-color:var(--green);border-radius:8px 8px 8px 3px}
nav{display:flex;align-items:center;gap:32px}
.nav-link{min-height:44px;display:inline-flex;align-items:center;gap:14px;color:var(--muted);font-size:14px}
.nav-link[aria-current=page]{color:var(--ink);font-weight:650}
.nav-link:hover,.text-link:hover,.back-link:hover{color:var(--green)}
.home-hero{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:68px;align-items:center;padding:82px 0 88px}
.eyebrow{display:flex;align-items:center;gap:10px;color:var(--green);font-size:13px;font-weight:650;letter-spacing:.08em}
.small-line{height:1px;width:24px;background:currentColor;flex-shrink:0}
.hero-copy h1{font-size:clamp(44px,5.6vw,72px);line-height:1.2;letter-spacing:-.04em;font-weight:700;margin:24px 0 26px}
.hero-copy h1 span{color:var(--green)}
.hero-description{max-width:440px;color:var(--muted);font-size:17px;line-height:1.9}
.hero-actions{display:flex;gap:25px;align-items:center;flex-wrap:wrap;margin-top:32px}
.button{min-height:52px;padding:13px 24px;display:inline-flex;align-items:center;justify-content:center;gap:30px;border:1px solid transparent;border-radius:9px;font-size:15px;font-weight:650;line-height:1.5;transition:background .15s,color .15s;touch-action:manipulation}
.button-primary{background:var(--green);color:var(--white)}
.button-primary:hover:not(:disabled){background:var(--green-dark)}
.button-secondary{background:var(--mint);border-color:#c8dbca;color:var(--green-dark)}
.button-secondary:hover:not(:disabled){background:#dce9dd}
.button span{font-size:20px;font-weight:400;line-height:1}
.text-link{display:inline-flex;align-items:center;gap:15px;min-height:44px;font-size:14px;font-weight:600}
.hero-footnote{margin-top:18px;color:var(--muted);font-size:12px}
.hero-footnote span{padding-inline:8px}
.connection-illustration{padding:27px 28px 20px;background-color:#183c32;background-image:radial-gradient(#426050 1px,transparent 1px);background-size:20px 20px;border-radius:26px;color:#f3f6ee;box-shadow:0 14px 34px #15372a0b;min-width:0;position:relative}
.diagram-header{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:28px;font-size:21px;font-weight:550}
.diagram-caption{font-size:10px;font-weight:400;border:1px solid #648175;color:#d5e1d7;padding:3px 8px;border-radius:20px;white-space:nowrap}
.diagram-node{display:flex;align-items:center;gap:15px;background:#fffdf8;border-radius:13px;padding:18px 20px;color:var(--ink)}
.diagram-node strong{display:block;font-size:15px;font-weight:600}
.diagram-node div>span{display:block;font-size:11px;color:var(--muted);margin-top:2px}
.node-icon,.mini-mark{flex-shrink:0;width:38px;height:38px;border:1px solid #cddacb;border-radius:10px;display:grid;place-items:center;font-size:24px;color:var(--green)}
.mini-mark{background:#dfeccf;border-color:#dfeccf;font-size:20px;font-weight:600}
.node-number{margin-left:auto;align-self:flex-start;font-size:10px;color:#61776c}
.service-node{background:#edf4df}
.diagram-path{height:40px;display:flex;align-items:center;justify-content:center;gap:12px;color:#c8d8ce}
.diagram-path>span:first-child{width:1px;height:22px;background:#769785}
.diagram-path small{font-size:10px;letter-spacing:.1em}
.path-arrow{font-size:16px}
.diagram-response{padding:17px 20px;border:1px solid #648674;background:#214739e8;border-radius:12px;display:flex;align-items:center;gap:15px;font-size:12px;color:#e0e9df}
.response-bracket{color:#c9dfb0;font-size:22px;letter-spacing:4px;font-family:monospace;flex-shrink:0}
.diagram-bottom{display:flex;justify-content:space-between;gap:12px;margin-top:25px;padding-top:14px;border-top:1px solid #63816b80;color:#bdcfc0;font-size:10px;letter-spacing:.04em}
.about-section{padding:44px 0 76px;border-top:1px solid var(--line)}
.section-heading h2{font-size:28px;line-height:1.4;letter-spacing:-.02em;margin:10px 0 12px}
.section-heading>p:last-child{font-size:14px;color:var(--muted)}
.feature-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:22px;margin-top:30px}
.feature-card,.scope-card{padding:29px;border-radius:var(--radius);border:1px solid var(--line);min-width:0}
.feature-card{background:#ffffff69}
.feature-number{font-size:11px;font-weight:650;letter-spacing:.04em;color:var(--green)}
.feature-card h3,.scope-card h3{font-size:20px;line-height:1.4;margin:20px 0 12px}
.feature-card p,.scope-card p{font-size:14px;line-height:1.8;color:var(--muted)}
.endpoint-label{display:inline-block;margin-top:24px;font-size:11px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;background:#eaf0e8;border-radius:5px;padding:5px 8px;color:var(--green)}
.scope-card{background:#e9eddf;border-color:#e1e7d9}
.scope-tag{font-size:11px;font-weight:600;letter-spacing:.04em}
.scope-card .text-link{margin-top:16px;color:var(--green)}
.site-footer{display:flex;align-items:center;gap:20px;border-top:1px solid var(--line);padding-block:25px 32px;color:var(--muted);font-size:11px}
.footer-brand{font-size:15px;font-weight:650;color:var(--ink);letter-spacing:.15em}
.site-footer a{margin-left:auto;min-height:44px;display:flex;align-items:center;gap:16px}
.test-main{padding-block:47px 62px}
.test-heading{display:flex;justify-content:space-between;gap:24px;align-items:center;margin-bottom:27px}
.test-heading h1{font-size:42px;line-height:1.3;font-weight:680;letter-spacing:-.025em;margin:10px 0 9px}
.heading-dot{color:var(--green)}
.test-heading>div>p:last-child{font-size:15px;color:var(--muted)}
.back-link{display:flex;align-items:center;gap:14px;min-height:44px;font-size:13px;flex-shrink:0}
.safety-note{display:flex;gap:11px;align-items:flex-start;border:1px solid #dce5d6;background:#eef1e6;padding:14px 18px;border-radius:10px;margin-bottom:25px;color:#51684b;font-size:12px;line-height:1.75}
.note-symbol{width:17px;height:17px;display:grid;place-items:center;border:1px solid #758970;border-radius:50%;flex-shrink:0;font-family:Georgia,serif;font-style:italic;font-size:12px;line-height:1;margin-top:2px}
.safety-note strong{font-weight:650;color:#364e30}
.test-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:24px;align-items:start}
.test-controls{display:grid;gap:22px;min-width:0}
.panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:27px;min-width:0}
.panel-title{display:flex;align-items:center;gap:11px}
.step-number{font-size:11px;color:var(--green);font-weight:700;line-height:1.4;min-width:24px}
.panel h2{font-size:19px;font-weight:650;line-height:1.4}
.method-tag{margin-left:auto;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:10px;color:var(--muted);background:#f2f4ef;padding:3px 7px;border-radius:5px}
.panel-description{font-size:13px;color:var(--muted);margin:10px 0 20px}
.origin-row{display:flex;flex-direction:column;gap:4px;border-top:1px solid #e8ece5;padding-top:15px;margin-bottom:18px;min-width:0}
.origin-row>span{font-size:11px;color:var(--muted)}
.origin-row code{font-size:12px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;overflow-wrap:anywhere}
.full-width{width:100%;justify-content:space-between;font-size:14px;min-height:48px;padding:12px 17px}
.field-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:9px}
.field-heading label{font-size:13px;font-weight:650}
.message-count{color:var(--muted);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:11px;flex-shrink:0}
.message-count[data-invalid=true]{color:var(--error);font-weight:700}
textarea{display:block;width:100%;min-height:129px;resize:vertical;border:1px solid #cdd8cb;background:#fcfdf9;border-radius:9px;padding:14px;font-size:16px;line-height:1.7;color:var(--ink);transition:border-color .15s;overflow-wrap:anywhere}
textarea:focus{border-color:var(--green)}
textarea[aria-invalid=true]{border-color:var(--error);background:#fffaf7}
textarea:read-only{color:var(--muted);background:#f4f5f0}
.field-help{font-size:11px;color:var(--muted);margin-top:8px;line-height:1.6}
.field-error{color:var(--error);font-size:12px;line-height:1.6;margin-top:10px}
.field-error:empty{display:none}
.echo-panel .button{margin-top:19px}
.result-panel{min-height:575px;padding:27px;display:flex;flex-direction:column;position:sticky;top:24px}
.result-heading{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:24px}
.result-label{color:var(--muted);font-size:11px}
.status-block{display:flex;align-items:flex-start;gap:13px;padding:17px;border:1px solid #e3e8df;background:#f6f8f2;border-radius:12px}
.status-indicator{width:9px;height:9px;background:#9ea99e;border-radius:50%;margin-top:6px;flex-shrink:0}
.status-block h3{font-size:15px;font-weight:650;line-height:1.5}
.status-block p{font-size:12px;color:var(--muted);margin-top:5px;overflow-wrap:anywhere;line-height:1.65}
.result-panel[data-state=success] .status-block{background:#edf5e9;border-color:#cde0c5}
.result-panel[data-state=success] .status-indicator{background:var(--green);box-shadow:0 0 0 4px #dcebd3}
.result-panel[data-state=error] .status-block{background:var(--error-bg);border-color:#efd8d0}
.result-panel[data-state=error] .status-block h3,.result-panel[data-state=error] .status-block p{color:var(--error)}
.result-panel[data-state=error] .status-indicator{background:var(--error)}
.result-panel[data-state=loading] .status-indicator{background:transparent;border:2px solid #c8d9c2;border-top-color:var(--green);width:12px;height:12px;animation:spin 1s linear infinite;margin-top:5px}
.result-empty{padding:33px 0 32px;text-align:center;color:var(--muted)}
.empty-orbit{width:78px;height:78px;margin:0 auto 22px;border:1px solid #dbe4d5;border-radius:50%;display:grid;place-items:center;position:relative}
.empty-orbit:after{content:"";position:absolute;width:9px;height:9px;background:#bfceb6;border:3px solid var(--white);border-radius:50%;top:9px;right:3px}
.empty-orbit span{width:48px;height:48px;display:grid;place-items:center;border:1px solid #e8ece4;border-radius:50%;font-size:24px;color:#8ba280}
.result-empty p{font-size:14px;color:#506a4b;margin-bottom:7px}
.result-empty>span{font-size:12px;line-height:1.9}
.request-metadata{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px 14px;margin:24px 0;padding:0 0 21px;border-bottom:1px solid #e8ece5;min-width:0}
.request-metadata>div{min-width:0}
.request-metadata .metadata-url{grid-column:1/-1}
.request-metadata dt{font-size:10px;color:var(--muted);margin-bottom:6px}
.request-metadata dd{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px;margin:0;overflow-wrap:anywhere;line-height:1.8}
.response-heading{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:11px}
.response-heading h3{font-size:12px;font-weight:650}
.response-heading span{font-size:10px;color:var(--muted)}
.response-code{margin:0;background:#193c32;color:#e2efdf;border-radius:10px;padding:18px;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;font-size:12px;line-height:1.85;min-height:104px;max-height:440px;overflow-y:auto;max-width:100%}
.response-code code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;white-space:inherit}
.result-footnote{border-top:1px solid #e8ece5;padding-top:17px;margin-top:auto;font-size:10px;color:var(--muted)}
#result-data{margin-bottom:24px;min-width:0}
@keyframes spin{to{transform:rotate(360deg)}}
@media(min-width:1350px){.home-hero{padding-block:94px 100px;gap:94px}.connection-illustration{padding:30px 34px 23px}}
@media(max-width:900px){.wrap{width:calc(100% - 48px)}.home-hero{gap:32px;padding-block:54px 64px}.hero-copy h1{font-size:49px}.hero-description{font-size:15px}.connection-illustration{padding:24px 20px 18px}.diagram-node{padding:16px 14px}.diagram-header{font-size:19px}.feature-grid{gap:14px}.feature-card,.scope-card{padding:23px}.test-layout{gap:18px}.panel{padding:22px}.result-panel{padding:22px}.test-main{padding-top:35px}.hero-actions{gap:12px}.hero-actions .button{padding-inline:20px}}
@media(max-width:700px){.site-header{height:83px}.wrap{width:calc(100% - 40px)}nav{gap:20px}.brand{font-size:23px}.nav-link{font-size:12px;gap:7px}.home-hero{grid-template-columns:1fr;gap:38px;padding:44px 0 48px}.hero-copy h1{font-size:54px;margin:20px 0 21px}.hero-description{max-width:480px;font-size:16px}.hero-actions{gap:22px;margin-top:27px}.connection-illustration{max-width:490px;width:100%;justify-self:center;padding:25px}.diagram-node{padding:16px 20px}.diagram-header{margin-bottom:22px}.diagram-path{height:33px}.about-section{padding:34px 0 44px}.section-heading h2{font-size:25px;max-width:320px}.feature-grid{grid-template-columns:1fr;gap:14px;margin-top:24px}.feature-card,.scope-card{padding:25px}.feature-card h3,.scope-card h3{margin-top:13px}.endpoint-label{margin-top:17px}.scope-card .text-link{margin-top:10px}.site-footer{padding-block:20px 24px;gap:12px;flex-wrap:wrap;font-size:10px}.site-footer>span:nth-child(2){flex-basis:calc(100% - 60px)}.site-footer a{margin-left:0;min-height:36px}.test-main{padding-block:31px 38px}.test-heading{gap:15px;align-items:flex-start;margin-bottom:22px}.test-heading h1{font-size:35px;margin-top:11px}.test-heading>div>p:last-child{font-size:13px}.test-heading .eyebrow{font-size:11px}.back-link{font-size:11px;gap:5px;margin-top:1px}.test-layout{grid-template-columns:1fr;gap:20px}.test-controls{gap:18px}.safety-note{font-size:11px;padding:12px 13px;gap:8px;margin-bottom:20px}.panel{padding:23px;border-radius:17px}.panel h2{font-size:18px}.result-panel{position:static;min-height:480px;padding:23px}.result-empty{padding-block:30px}.result-footnote{margin-top:15px}.result-panel[data-state=idle] .result-footnote{margin-top:auto}.field-heading label{font-size:13px}.field-help{font-size:11px}.button{min-height:50px}.result-heading{margin-bottom:19px}.status-block{padding:15px}.origin-row code{font-size:12px}}
@media(max-width:360px){.wrap{width:calc(100% - 32px)}nav{gap:12px}.brand{gap:9px;font-size:21px}.brand-mark{transform:scale(.9);transform-origin:left center;width:30px}.hero-copy h1{font-size:44px}.eyebrow{font-size:11px;letter-spacing:.03em}.hero-actions{gap:12px}.hero-actions .button{width:100%;justify-content:space-between}.connection-illustration{padding:20px 16px}.diagram-header{font-size:18px;gap:8px}.diagram-caption{font-size:9px}.diagram-node{padding:15px 13px;gap:10px}.diagram-response{padding:14px 13px;gap:9px;font-size:11px}.panel,.result-panel{padding:19px}.test-heading h1{font-size:32px}.back-link{display:none}.panel-title{gap:8px}.step-number{min-width:20px}.panel h2{font-size:17px}.response-code{padding:14px;font-size:11px}.request-metadata{gap:16px 8px}.request-metadata dd{font-size:11px}.section-heading h2{font-size:23px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}