:root {
  --ink:#11121a;
  --ink-soft:#181923;
  --paper:#f4f4f7;
  --white:#fff;
  --muted:#686a75;
  --line:#d9dae1;
  --purple:#6754f7;
  --purple-light:#aaa0ff;
  --purple-pale:#e8e5ff;
  --green:#1f9d67;
  --amber:#b67800;
  --red:#d24949;
  --shell:1380px;
  --ease:cubic-bezier(.2,.75,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
img{max-width:100%;height:auto}
fieldset{min-width:0}
.shell{width:min(calc(100% - 48px),var(--shell));margin-inline:auto}
.skip-link{position:fixed;z-index:999;top:8px;left:8px;padding:10px 14px;color:#fff;background:var(--purple);transform:translateY(-140%)}
.skip-link:focus{transform:none}

/* Header */
.site-header{position:relative;z-index:20;color:#fff;background:var(--ink);border-bottom:1px solid rgba(255,255,255,.12)}
.header-inner{height:76px;display:flex;align-items:center;gap:32px}
.brand{width:108px;display:inline-flex}
.brand img{filter:brightness(0) invert(1)}
.tool-identity{display:flex;align-items:center;gap:13px;padding-left:28px;border-left:1px solid rgba(255,255,255,.18)}
.tool-identity span{color:var(--purple-light);font:8px Arial,sans-serif;letter-spacing:.14em}
.tool-identity b{font-size:12px}
.header-nav{display:flex;gap:28px;margin-left:auto}
.header-nav a{color:rgba(255,255,255,.68);font-size:11px}
.header-nav a:hover{color:#fff}
.header-contact{min-height:38px;display:inline-flex;align-items:center;padding:0 20px;color:var(--ink);background:#fff;font-size:11px;font-weight:700}

/* Intro */
.intro{position:relative;overflow:hidden;padding:74px 0 68px;color:#fff;background:var(--ink)}
.intro::before{content:"";position:absolute;top:-65%;right:-5%;width:50vw;height:50vw;border-radius:50%;background:radial-gradient(circle,rgba(103,84,247,.42),transparent 67%)}
.intro-grid{position:absolute;inset:0;opacity:.24;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:70px 70px;mask-image:linear-gradient(to bottom,#000,transparent)}
.intro-layout{position:relative;z-index:1;display:grid;grid-template-columns:1.12fr .88fr;gap:90px;align-items:end}
.breadcrumb{display:flex;gap:10px;margin-bottom:42px;color:rgba(255,255,255,.42);font-size:9px}
.breadcrumb b{color:rgba(255,255,255,.72);font-weight:400}
.eyebrow{display:flex;align-items:center;gap:12px;margin:0;color:var(--purple-light);font:8px Arial,sans-serif;letter-spacing:.17em}
.eyebrow i{width:25px;height:1px;background:var(--purple-light)}
.intro h1{margin:22px 0 0;font-size:clamp(47px,5vw,72px);line-height:1.12;letter-spacing:-.055em}
.intro h1 em{color:var(--purple-light);font-style:normal}
.intro-lead{max-width:720px;margin:25px 0 0;color:rgba(255,255,255,.6);font-size:14px;line-height:1.9}
.intro-status{border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.025)}
.status-title{min-height:70px;display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid rgba(255,255,255,.13)}
.status-title span{color:var(--purple-light);font:8px Arial,sans-serif;letter-spacing:.14em}
.status-title b{font:600 27px Arial,sans-serif}
.intro-status ul{margin:0;padding:0;list-style:none}
.intro-status li{min-height:70px;display:grid;grid-template-columns:35px 1fr auto;align-items:center;gap:12px;padding:14px 22px;border-bottom:1px solid rgba(255,255,255,.1)}
.intro-status li>span{color:var(--purple-light);font:9px Arial,sans-serif}
.intro-status li b{font-size:13px}
.intro-status li small{color:rgba(255,255,255,.32);font:7px Arial,sans-serif;letter-spacing:.12em}
.intro-status>p{margin:0;padding:18px 22px;color:rgba(255,255,255,.45);font-size:10px;line-height:1.7}

/* Templates */
.template-section{padding:62px 0;background:#fff}
.template-heading,.tool-section-heading{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:27px}
.template-heading>div,.tool-section-heading>div:first-child{display:flex;align-items:baseline;gap:18px}
.template-heading span,.tool-section-heading>div:first-child span{color:var(--purple);font:8px Arial,sans-serif;letter-spacing:.14em}
.template-heading h2,.tool-section-heading h2{margin:0;font-size:24px}
.template-heading>p{margin:0;color:var(--muted);font-size:11px}
.template-grid{display:grid;grid-template-columns:repeat(11,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.template-card{min-width:0;min-height:135px;display:flex;flex-direction:column;align-items:flex-start;padding:18px 16px;border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--ink);background:var(--paper);text-align:left;transition:color .2s,background .2s,transform .2s}
.template-card:hover{z-index:1;background:#fff;transform:translateY(-2px)}
.template-card.active{color:#fff;background:var(--purple)}
.template-card>span{color:var(--purple);font:8px Arial,sans-serif}
.template-card.active>span{color:rgba(255,255,255,.7)}
.template-card b{margin-top:38px;font-size:13px}
.template-card small{margin-top:8px;color:#9697a1;font:7px Arial,sans-serif;line-height:1.5;letter-spacing:.04em}
.template-card.active small{color:rgba(255,255,255,.6)}

/* Tool workspace */
.tool-section{padding:65px 0 110px}
.privacy-note{display:grid;grid-template-columns:9px auto;gap:4px 10px;align-items:center}
.privacy-note i{grid-row:1/3;width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px rgba(31,157,103,.1)}
.privacy-note span{color:#999ba4;font:7px Arial,sans-serif;letter-spacing:.12em}
.privacy-note b{font-size:10px}
.workspace{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(430px,.92fr);gap:18px;align-items:start}
.workspace>*{min-width:0}
.form-panel,.output-panel,.output-sticky{min-width:0}
.form-panel,.output-sticky{border:1px solid var(--line);background:#fff}
.panel-head{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:25px;padding:20px 25px;border-bottom:1px solid var(--line)}
.panel-head>div:first-child>span{color:var(--purple);font:8px Arial,sans-serif;letter-spacing:.14em}
.panel-head h3{margin:8px 0 0;font-size:18px}
.text-action{padding:4px 0;border:0;border-bottom:1px solid var(--line);color:var(--muted);background:transparent;font-size:10px}
.text-action:hover{color:var(--purple);border-color:var(--purple)}
.form-section{margin:0;padding:28px 25px 32px;border:0;border-bottom:1px solid var(--line)}
.form-section:last-child{border-bottom:0}
.form-section legend{width:100%;display:flex;align-items:center;gap:15px;margin:0 0 18px;padding:18px 0 0}
.form-section legend span{color:var(--purple);font:8px Arial,sans-serif}
.form-section legend b{font-size:14px}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:19px}
.field{min-width:0;display:flex;flex-direction:column;gap:8px}
.field-wide{grid-column:1/-1}
.field>span{font-size:11px;font-weight:700}
.field>span em{color:var(--purple);font-style:normal}
.field input,.field textarea,.field select{width:100%;min-height:45px;padding:11px 12px;border:1px solid var(--line);border-radius:0;outline:0;color:var(--ink);background:#fff;font-size:12px;transition:border-color .2s,box-shadow .2s}
.field textarea{min-height:88px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--purple);box-shadow:0 0 0 3px rgba(103,84,247,.1)}
.field input.invalid,.field textarea.invalid,.field select.invalid{border-color:var(--red)}
.field small{color:#9a9ba4;font-size:9px;line-height:1.6}
.toggle-row{display:grid;grid-template-columns:38px 1fr;gap:13px;align-items:start;margin-bottom:24px;cursor:pointer}
.toggle-row input{position:absolute;opacity:0;pointer-events:none}
.toggle-ui{width:38px;height:21px;position:relative;border:1px solid var(--line);background:#ddd;transition:background .2s}
.toggle-ui::after{content:"";position:absolute;top:3px;left:3px;width:13px;height:13px;background:#fff;transition:left .2s}
.toggle-row input:checked+.toggle-ui{border-color:var(--purple);background:var(--purple)}
.toggle-row input:checked+.toggle-ui::after{left:20px}
.toggle-row>span:last-child{display:flex;flex-direction:column;gap:6px}
.toggle-row b{font-size:11px}
.toggle-row small{color:var(--muted);font-size:9px;line-height:1.6}
.compact-toggle{margin-bottom:18px}
.organization-fields-disabled{display:none}
.organization-actions{display:flex;align-items:center;gap:18px;margin-top:22px}
.secondary-button,.primary-button,.add-button{min-height:38px;padding:0 15px;border:1px solid var(--line);color:var(--ink);background:#fff;font-size:10px;font-weight:700}
.secondary-button:hover,.add-button:hover{border-color:var(--purple);color:var(--purple)}
.primary-button{color:#fff;border-color:var(--purple);background:var(--purple)}
#storageStatus{color:var(--green);font-size:9px}
.repeater{display:flex;flex-direction:column;gap:10px}
.repeater-row{display:grid;grid-template-columns:36px 1fr 1.35fr 30px;gap:9px;align-items:center}
.repeater-row>span{color:var(--purple);font:8px Arial,sans-serif;text-align:center}
.repeater-row input,.repeater-row textarea{width:100%;min-height:41px;padding:10px 11px;border:1px solid var(--line);outline:0;font-size:11px}
.repeater-row textarea{min-height:70px;resize:vertical;line-height:1.6}
.repeater-row input:focus,.repeater-row textarea:focus{border-color:var(--purple)}
.remove-row{width:30px;height:30px;border:0;color:#999;background:transparent;font-size:18px}
.remove-row:hover{color:var(--red)}
.add-button{margin-top:12px}
.add-button span{margin-right:7px;color:var(--purple)}
.help-block{grid-column:1/-1;padding:16px 17px;border-left:3px solid var(--purple);background:var(--paper)}
.help-block b{display:block;font-size:11px}
.help-block p{margin:7px 0 0;color:var(--muted);font-size:10px;line-height:1.7}

/* Output */
.output-sticky{position:sticky;top:18px}
.output-head{align-items:flex-end}
.output-actions{display:flex;gap:8px}
.schema-types{min-height:58px;display:flex;flex-wrap:wrap;align-items:center;gap:7px;padding:13px 20px;border-bottom:1px solid var(--line);background:var(--paper)}
.schema-types span{padding:7px 9px;color:var(--purple);border:1px solid var(--purple-pale);background:#fff;font:8px Arial,sans-serif;letter-spacing:.04em}
.validation{padding:16px 20px;border-bottom:1px solid var(--line)}
.validation-summary{display:flex;align-items:center;gap:10px}
.validation-summary i{width:8px;height:8px;border-radius:50%;background:var(--green)}
.validation-summary.warning i{background:var(--amber)}
.validation-summary.error i{background:var(--red)}
.validation-summary b{font-size:11px}
.validation-summary span{margin-left:auto;color:var(--muted);font-size:9px}
.validation ul{margin:12px 0 0;padding:0;list-style:none}
.validation li{position:relative;padding:5px 0 5px 14px;color:var(--muted);font-size:9px;line-height:1.6}
.validation li::before{content:"";position:absolute;top:11px;left:0;width:4px;height:4px;background:var(--amber)}
.validation li.error::before{background:var(--red)}
.code-window{background:#11121a}
.code-toolbar{height:42px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid rgba(255,255,255,.1);color:rgba(255,255,255,.35);font:8px Arial,sans-serif;letter-spacing:.1em}
.code-toolbar b{color:#69d6a7;font-size:8px}
.code-toolbar b.has-error{color:#ff8f8f}
pre{max-height:620px;min-height:430px;margin:0;padding:22px;overflow:auto;color:#d9d7ec;background:#11121a;font:11px/1.75 Consolas,"SFMono-Regular",monospace;white-space:pre;tab-size:2}
.output-help{padding:22px 20px 24px}
.output-help>b{font-size:11px}
.output-help p{margin:9px 0 15px;color:var(--muted);font-size:9px;line-height:1.7}
.output-help>div{display:flex;flex-wrap:wrap;gap:13px}
.output-help a{padding-bottom:4px;border-bottom:1px solid var(--line);color:var(--purple);font-size:9px}

/* Guidance and footer */
.guidance{padding:95px 0;color:#fff;background:var(--ink-soft)}
.guidance-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:100px}
.guidance-layout>div>span{color:var(--purple-light);font:8px Arial,sans-serif;letter-spacing:.15em}
.guidance h2{margin:20px 0 0;font-size:clamp(38px,4vw,52px);line-height:1.32;letter-spacing:-.05em}
.guidance ul{margin:0;padding:0;border-top:1px solid rgba(255,255,255,.14);list-style:none}
.guidance li{min-height:145px;display:grid;grid-template-columns:45px 1fr;gap:15px;padding:27px 0;border-bottom:1px solid rgba(255,255,255,.14)}
.guidance li>span{color:var(--purple-light);font:9px Arial,sans-serif}
.guidance li b{font-size:16px}
.guidance li p{margin:10px 0 0;color:rgba(255,255,255,.5);font-size:11px;line-height:1.75}
.site-footer{padding:55px 0 0;background:#ececf1}
.footer-inner{display:flex;align-items:flex-start;justify-content:space-between;gap:50px;padding-bottom:45px}
.footer-inner>div img{width:112px}
.footer-inner>div p{max-width:380px;margin:20px 0 0;color:var(--muted);font-size:11px;line-height:1.8}
.footer-inner nav{display:flex;gap:25px;color:var(--muted);font-size:10px}
.footer-inner nav a:hover{color:var(--purple)}
.footer-bottom{min-height:66px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);color:var(--muted);font-size:9px}
.toast{position:fixed;z-index:200;right:24px;bottom:24px;max-width:340px;padding:14px 18px;color:#fff;background:var(--ink);box-shadow:0 15px 40px rgba(0,0,0,.18);font-size:11px;opacity:0;transform:translateY(18px);pointer-events:none;transition:opacity .25s,transform .25s}
.toast.show{opacity:1;transform:none}

@media(max-width:1180px){
  .template-grid{grid-template-columns:repeat(6,1fr)}
  .workspace{grid-template-columns:minmax(0,1fr) minmax(390px,.88fr)}
}
@media(max-width:900px){
  .header-nav{display:none}
  .intro-layout{grid-template-columns:1fr;gap:48px}
  .intro-status{max-width:680px}
  .template-grid{grid-template-columns:repeat(3,1fr)}
  .workspace{grid-template-columns:minmax(0,1fr)}
  .output-sticky{position:static}
  .guidance-layout{grid-template-columns:1fr;gap:55px}
}
@media(max-width:620px){
  .shell{width:min(calc(100% - 28px),var(--shell))}
  .header-inner{height:66px;gap:17px}
  .brand{width:92px}
  .tool-identity{padding-left:16px}
  .tool-identity span{display:none}
  .tool-identity b{font-size:10px}
  .header-contact{margin-left:auto;min-height:34px;padding:0 12px;font-size:10px}
  .intro{padding:54px 0 52px}
  .breadcrumb{display:none}
  .intro h1{font-size:43px;line-height:1.17}
  .intro-lead{font-size:13px}
  .intro-status li{grid-template-columns:30px 1fr}
  .intro-status li small{grid-column:2}
  .template-section{padding:48px 0}
  .template-heading,.tool-section-heading{display:block}
  .template-heading>div,.tool-section-heading>div:first-child{display:block}
  .template-heading span,.tool-section-heading>div:first-child span{display:block;margin-bottom:10px}
  .template-heading>p{margin-top:13px;line-height:1.7}
  .template-grid{grid-template-columns:1fr 1fr}
  .template-card{min-height:122px}
  .tool-section{padding:48px 0 75px}
  .privacy-note{margin-top:18px}
  .panel-head{padding:18px 16px}
  .form-section{padding:25px 16px 29px}
  .field-grid{grid-template-columns:1fr}
  .field-wide{grid-column:auto}
  .organization-actions{align-items:flex-start;flex-wrap:wrap}
  .repeater-row{grid-template-columns:29px 1fr 30px}
  .repeater-row input:nth-of-type(2),.repeater-row textarea:nth-of-type(2){grid-column:2}
  .repeater-row .remove-row{grid-column:3;grid-row:1/3}
  .output-head{display:block}
  .output-actions{margin-top:17px}
  .output-actions button{flex:1}
  pre{max-height:500px;min-height:380px;padding:16px;font-size:10px}
  .guidance{padding:75px 0}
  .guidance h2{font-size:34px}
  .footer-inner{display:block}
  .footer-inner nav{display:grid;grid-template-columns:1fr 1fr;margin-top:35px}
  .footer-bottom{min-height:80px;flex-direction:column;align-items:flex-start;justify-content:center;gap:8px}
  .toast{right:14px;bottom:14px;left:14px;max-width:none}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
}