:root{--nt-ink:#15394f;--nt-muted:#627f91;--nt-blue:#17557d;--nt-line:#dce7ed;--nt-bg:#f4f8fb;--nt-lime:#dfffa0}*{box-sizing:border-box}body.nt-site{margin:0;color:var(--nt-ink);background:var(--nt-bg);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.65}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:wait;opacity:.65}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #7cc7cb;outline-offset:4px}.nt-skip{position:fixed;top:-80px;left:16px;background:white;z-index:99;padding:12px}.nt-skip:focus{top:8px}.nt-head{max-width:1240px;margin:auto;min-height:94px;display:flex;align-items:center;justify-content:space-between;padding:22px 32px;gap:28px;border-bottom:1px solid var(--nt-line)}.nt-logo img{width:202px;height:auto;display:block}.nt-head nav{display:flex;align-items:center;gap:27px;font-size:13px}.nt-head nav a[aria-current]{color:var(--nt-blue)}.nt-contact,.nt-primary{background:var(--nt-blue);color:white;border:0;border-radius:9px;padding:12px 21px;font-weight:600}.nt-contact:hover,.nt-primary:hover{background:#104563}.nt-wrap{max-width:1180px;padding:0 32px;margin:auto}.nt-hero{padding:65px 0 43px;position:relative}.nt-eyebrow{font:600 11px/1.5 ui-monospace,monospace;letter-spacing:2px;color:#667b98;display:flex;align-items:center;gap:9px}.nt-dot{width:7px;height:7px;border-radius:100%;background:#4b9974}.nt-hero h1{font-size:clamp(35px,4.5vw,55px);line-height:1.23;letter-spacing:-1.5px;margin:19px 0 20px;font-weight:650}.nt-hero h1 span{color:var(--nt-blue)}.nt-hero>p{max-width:680px;color:var(--nt-muted);font-size:16px;margin:0}.nt-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.nt-chips span{font-size:11px;border:1px solid var(--nt-line);padding:5px 11px;border-radius:5px;color:#4f6380;background:#fff}.nt-sectionhead{display:flex;justify-content:space-between;gap:20px;align-items:center;margin:10px 0 20px}.nt-sectionhead h2{font-size:18px;font-weight:600;margin:0}.nt-sectionhead>span{color:#70819a;font-size:11px;font-family:ui-monospace,monospace}.nt-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.nt-card{position:relative;display:flex;flex-direction:column;padding:26px;background:#fff;border:1px solid var(--nt-line);border-radius:14px;min-height:236px;transition:transform .18s,border-color .18s}.nt-card:hover{transform:translateY(-3px);border-color:#6aafbd}.nt-cardtop{display:flex;justify-content:space-between;align-items:center}.nt-icon{height:42px;width:42px;display:grid;place-items:center;background:#e6f2f6;color:var(--nt-blue);border-radius:11px}.nt-icon svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.nt-number{font:11px ui-monospace,monospace;color:#8b98aa}.nt-card h2{font-size:19px;line-height:1.4;margin:20px 0 9px}.nt-card p{font-size:13px;color:var(--nt-muted);margin:0 0 22px}.nt-cardbottom{margin-top:auto;font-size:11px;color:#73829a;display:flex;justify-content:space-between}.nt-cardbottom b{font-size:20px;color:var(--nt-blue);line-height:1}.nt-banner{margin:36px 0 60px;padding:28px 32px;border-radius:14px;background:#e7f2f5;display:flex;justify-content:space-between;gap:30px;align-items:center;border:1px solid #cde3e9}.nt-banner h2{margin:0 0 8px;font-size:21px}.nt-banner p{margin:0;font-size:13px;color:#637593}.nt-banner a{flex-shrink:0}.nt-foot{max-width:1180px;padding:24px 32px 30px;margin:auto;border-top:1px solid var(--nt-line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:15px;font-size:12px;color:#6b7d96}.nt-foot div{display:flex;gap:21px}.nt-crumb{font-size:12px;color:#7c8ca2;margin:27px 0}.nt-workspace{display:grid;grid-template-columns:190px minmax(0,1fr);gap:30px;align-items:start;margin-bottom:35px}.nt-side{position:sticky;top:24px}.nt-side>p{margin:0 0 12px;font-size:10px;letter-spacing:1.5px;color:#8290a5}.nt-side a{display:flex;gap:10px;align-items:center;padding:12px 14px;font-size:13px;border-radius:8px;margin-bottom:3px}.nt-side a:hover{background:#edf1f8}.nt-side a[aria-current]{color:var(--nt-blue);background:#e0eff3;font-weight:600}.nt-side svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;flex-shrink:0}.nt-toolhead h1{font-size:34px;line-height:1.35;letter-spacing:-1px;margin:0 0 12px}.nt-toolhead p{color:var(--nt-muted);margin:0 0 25px;max-width:730px}.nt-panel{padding:28px;background:white;border:1px solid var(--nt-line);border-radius:14px}.nt-label{display:block;font-size:12px;font-weight:600;margin-bottom:9px}.nt-entry{display:flex;gap:10px}.nt-entry input{min-width:0;flex:1}.nt-input,.nt-select{border:1px solid #cfd9e7;background:#fff;border-radius:8px;min-height:48px;color:var(--nt-ink);padding:10px 13px}.nt-input::placeholder{color:#92a0b3}.nt-controls{display:flex;gap:18px;margin:20px 0 0;flex-wrap:wrap}.nt-controls label{display:flex;flex-direction:column;gap:7px;font-size:12px;color:#526680}.nt-select{min-height:40px;font-size:13px;padding:7px 10px}.nt-helper{color:#7b8ba1;font-size:12px;margin:12px 0 0;line-height:1.8}.nt-helper a{color:#3f5bb9;text-decoration:underline}.nt-example,.nt-textbutton{font-size:12px;color:#3f5bb9;border:0;background:transparent;padding:0;text-decoration:underline;text-underline-offset:3px}.nt-status{margin:17px 0 0;font-size:13px;color:#536c98;min-height:22px}.nt-status.error{color:#b33f3f}.nt-result{margin-top:23px;border-top:1px solid var(--nt-line);padding-top:22px}.nt-resulttop{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:18px}.nt-resulttop h2{font-size:16px;margin:0}.nt-secondary{border:1px solid #d5deeb;color:#4a6086;background:#fff;border-radius:7px;padding:8px 13px;font-size:12px}.nt-data{display:grid;grid-template-columns:150px minmax(0,1fr);margin:0;font-size:13px}.nt-data dt,.nt-data dd{margin:0;padding:11px 0;border-bottom:1px solid #edf0f5;overflow-wrap:anywhere}.nt-data dt{color:#7b899f}.nt-data dd{color:#293f60;white-space:pre-wrap}.nt-tablewrap{overflow:auto}.nt-table{width:100%;border-collapse:collapse;font-size:12px;text-align:left}.nt-table th{background:#f5f7fc;color:#71809a;font-weight:500}.nt-table th,.nt-table td{padding:11px 13px;border-bottom:1px solid #e7ecf4;vertical-align:top}.nt-table td:last-child{min-width:180px;overflow-wrap:anywhere;max-width:450px}.nt-note{padding:13px 16px;border-radius:8px;background:#edf5f8;color:#586e96;font-size:12px;margin:16px 0 0;overflow-wrap:anywhere}.nt-note a{text-decoration:underline}.nt-good{color:#24714e}.nt-warning{color:#a66a16}.nt-step{display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:14px;padding:16px 0;border-bottom:1px solid #e6ecf3;align-items:start}.nt-code{font:600 12px ui-monospace,monospace;color:#176079;background:#e6f2f6;border-radius:5px;padding:5px 6px;text-align:center}.nt-step p{margin:0;font:12px/1.8 ui-monospace,monospace;overflow-wrap:anywhere}.nt-step small{color:#8b98aa;font-size:10px}.nt-time{font:11px ui-monospace,monospace;color:#7c8da7;padding-top:5px}.nt-docs{margin-top:27px}.nt-docs h2{font-size:19px;margin:0 0 15px}.nt-docs details{border-top:1px solid var(--nt-line);padding:16px 0}.nt-docs summary{cursor:pointer;font-size:14px;font-weight:500}.nt-docs p{font-size:13px;color:var(--nt-muted);line-height:1.9;margin:12px 0 0}.nt-otp{display:flex;align-items:center;gap:25px;justify-content:space-between;padding:26px;background:#edf5f8;border:1px solid #cfe3eb;border-radius:11px;margin-top:20px}.nt-otp output{font:500 clamp(25px,4vw,40px) ui-monospace,monospace;letter-spacing:5px;color:#176079}.nt-otp p{margin:7px 0 0;font-size:12px;color:#7286a8}.nt-otp progress{display:block;width:100%;height:5px;margin-top:13px;accent-color:#0a9ba9}.nt-private{display:inline-block;color:#496724;background:#eff8e0;font-size:11px;padding:4px 9px;border-radius:5px;margin-bottom:15px}.nt-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:15px}[hidden]{display:none!important}.nt-source{font-size:11px;color:#7c8da7;margin-top:17px;overflow-wrap:anywhere}.nt-source a{text-decoration:underline}.nt-site .nt-toolmain{min-width:0}
@media(max-width:950px){.nt-head nav{gap:16px}.nt-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.nt-workspace{grid-template-columns:155px minmax(0,1fr);gap:20px}.nt-head .nt-contact{display:none}.nt-side a{padding:11px 8px;font-size:12px}.nt-panel{padding:22px}}
@media(max-width:700px){.nt-head{padding:21px 20px;min-height:80px;gap:12px}.nt-logo img{width:161px}.nt-head nav{gap:15px;font-size:12px}.nt-navhome,.nt-navguides{display:none}.nt-wrap{padding:0 20px}.nt-hero{padding:39px 0 32px}.nt-hero h1{font-size:36px}.nt-hero>p{font-size:14px}.nt-grid{gap:13px}.nt-card{padding:20px;min-height:234px}.nt-card h2{font-size:18px}.nt-card p{font-size:12px}.nt-banner{align-items:flex-start;flex-direction:column;padding:24px;margin:27px 0 35px;gap:20px}.nt-banner h2{font-size:19px}.nt-workspace{display:block}.nt-side{position:static;display:flex;overflow:auto;gap:5px;margin:0 -20px 25px;padding:0 20px 10px}.nt-side>p{display:none}.nt-side a{white-space:nowrap;flex-shrink:0;padding:10px 12px;margin:0}.nt-side svg{display:none}.nt-toolhead h1{font-size:29px}.nt-toolhead p{font-size:14px}.nt-panel{padding:20px}.nt-entry{flex-wrap:wrap}.nt-entry .nt-primary{min-height:45px}.nt-input{width:100%;flex-basis:100%!important;font-size:16px}.nt-data{grid-template-columns:104px minmax(0,1fr);font-size:12px}.nt-otp{padding:20px 15px;gap:8px}.nt-otp output{letter-spacing:3px}.nt-foot{padding-inline:20px}.nt-controls{gap:13px}.nt-crumb{margin:22px 0}.nt-sectionhead>span{font-size:10px}}
@media(max-width:430px){.nt-grid{grid-template-columns:1fr}.nt-card{min-height:200px}.nt-card h2{margin-top:15px}.nt-card p{font-size:13px}.nt-cardbottom{margin-top:0}.nt-hero h1{font-size:34px}.nt-chips{gap:7px}.nt-chips span{padding:4px 8px}.nt-step{grid-template-columns:38px minmax(0,1fr);gap:10px}.nt-time{grid-column:2}.nt-otp{flex-wrap:wrap}.nt-otp output{font-size:29px}.nt-head nav{gap:12px}}
@media(prefers-reduced-motion:reduce){.nt-card{transition:none}}

@media(max-width:430px){.nt-sectionhead{align-items:flex-start;flex-direction:column;gap:6px}.nt-sectionhead>span{font-size:10px}.nt-cardbottom{margin-top:auto}}
.nt-area{display:block;box-sizing:border-box;width:100%;resize:vertical;min-height:100px;font:13px/1.7 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre;overflow:auto;margin-bottom:16px;padding:14px}.nt-extra .nt-field{display:flex;flex-direction:column;gap:8px;font-size:13px;margin:15px 0;min-width:0}.nt-extra .nt-input{box-sizing:border-box;max-width:100%}.nt-extra .nt-controls{align-items:center}.nt-extra .nt-note{margin:0 0 20px}.nt-extra .nt-label{margin-top:15px}.nt-extra button:disabled{opacity:.5;cursor:wait}.nt-extra .nt-output{background:#f7fafc;min-height:210px}.nt-groups{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0 30px}.nt-groups a{border:1px solid var(--nt-line);border-radius:999px;padding:9px 17px;color:var(--nt-muted);font-size:13px;background:white}.nt-group{scroll-margin-top:24px;margin-bottom:35px}.nt-group>h2{font-size:20px;margin:0 0 18px}.nt-card h3{font-size:22px;line-height:1.4;margin:23px 0 10px}.nt-side{max-height:calc(100vh - 40px);overflow:auto}.nt-extra-table{overflow-x:auto;max-width:100%;margin-bottom:18px}.nt-extra-table table{width:100%;border-collapse:collapse;font-size:12px}.nt-extra-table th,.nt-extra-table td{text-align:left;padding:10px;border-bottom:1px solid var(--nt-line);overflow-wrap:anywhere;min-width:80px}.nt-extra-table th{background:#edf5f8}.nt-extra-summary{white-space:pre-wrap}.nt-extra progress{width:100%}@media(max-width:700px){.nt-side{max-height:none}.nt-card h3{font-size:18px}.nt-extra .nt-input{font-size:16px}.nt-extra .nt-actions{gap:9px}.nt-extra .nt-controls{flex-wrap:wrap}}