:root{color-scheme:light;--desktop:#397f80;--surface:#c0c0c0;--text:#161616;--muted:#515151;--hi:#fff;--light:#dfdfdf;--shadow:#808080;--deep:#1e1e1e;--input:#fff;--navy:#000080;--title-end:#397bc1;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;color:var(--text);background:var(--desktop)}
*{box-sizing:border-box}body{margin:0;min-height:100vh}button,input,textarea,select{font:inherit}button,select,a{touch-action:manipulation}button,a,select{cursor:pointer}button{color:var(--text)}svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:square;stroke-linejoin:miter;flex-shrink:0}.symbols{position:absolute;width:0;height:0;overflow:hidden}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}a{color:var(--navy)}
.bevel{border:0;border-radius:0;background:var(--surface);box-shadow:inset -1px -1px var(--deep),inset 1px 1px var(--hi),inset -2px -2px var(--shadow),inset 2px 2px var(--light)}
.inset{border:0;border-radius:0;box-shadow:inset -1px -1px var(--hi),inset 1px 1px var(--shadow),inset -2px -2px var(--light),inset 2px 2px var(--deep)}
button.bevel:active:not(:disabled),button[aria-current=page]{box-shadow:inset -1px -1px var(--hi),inset 1px 1px var(--deep),inset -2px -2px var(--light),inset 2px 2px var(--shadow);background:var(--light)}
button:disabled{cursor:not-allowed;color:var(--shadow);text-shadow:1px 1px var(--hi)}:focus-visible{outline:1px dotted currentColor;outline-offset:-5px}input:focus-visible,textarea:focus-visible{outline:2px solid #1b3f9d;outline-offset:2px}button:hover:not(:disabled){filter:brightness(1.035)}
.taskbar{height:43px;display:flex;align-items:center;gap:8px;padding:4px 8px;background:var(--surface);box-shadow:inset 0 1px var(--hi),0 2px var(--deep);position:relative;z-index:2}.brand{display:flex;align-items:center;gap:10px;padding:8px 12px;color:var(--text);text-decoration:none;font:bold 14px "Courier New",monospace;white-space:nowrap}.pixel-mark{font-size:17px;color:var(--navy);font-weight:900;line-height:16px}.taskbar nav{display:flex;gap:6px;margin-left:auto;height:100%}.nav-button{padding:0 15px;font-weight:600;font-size:13px}.tools{display:flex;gap:7px;height:100%;padding-left:5px;border-left:1px solid var(--shadow)}.tools select{padding:0 28px 0 12px;min-width:105px;color:var(--text);font-size:13px}.theme{width:36px;display:grid;place-items:center}.theme svg{width:16px;height:16px}
main{width:min(1080px,calc(100% - 48px));display:grid;grid-template-columns:minmax(0,1fr) 500px;gap:70px;margin:78px auto 0;align-items:start}.hero{padding-top:23px;color:#fff}.local-badge{display:inline-flex;gap:7px;align-items:center;background:#f5f5f5;padding:5px 10px;font-size:12px;font-weight:600;color:#336844;line-height:1}.local-badge>span:first-child{width:8px;height:8px;background:#5e9969;border-radius:50%;box-shadow:0 0 0 2px #d1e2d4}.hero h1{font:700 48px/1.22 "Courier New","PingFang SC",monospace;letter-spacing:-1.5px;text-shadow:2px 2px #264e57;margin:23px 0 19px}.hero h1>span[data-i]{font-family:Arial,"PingFang SC",sans-serif;letter-spacing:1px;font-size:44px;display:inline-block;margin-top:4px}.cursor{color:#a4cece;font-size:39px;margin-left:6px}.lead{font-size:18px;line-height:1.85;margin:0;color:#e4eeee;max-width:450px}.features{list-style:none;padding:0;margin:32px 0 0;display:grid;gap:13px}.features li{display:flex;align-items:center;gap:13px;font-size:15px;font-weight:500;line-height:1.5}.check-box{width:25px;height:25px;display:grid;place-items:center;color:#141414;flex-shrink:0}.check-box svg{width:18px;height:18px;stroke-width:2.3}.hero-small{margin-top:32px;display:flex;align-items:center;gap:9px;color:#c5dede;font-size:12px}.mini-window{font-size:17px}
.window{min-width:0;padding:3px;box-shadow:inset -1px -1px var(--deep),inset 1px 1px var(--hi),inset -2px -2px var(--shadow),inset 2px 2px var(--light),5px 5px #204e4e55}.titlebar{height:30px;padding:4px 4px 4px 9px;color:#fff;background:linear-gradient(90deg,var(--navy),var(--title-end));display:flex;align-items:center;justify-content:space-between;font:bold 13px "Courier New",monospace}.titlebar>span:first-child{display:flex;gap:9px;align-items:center}.title-icon{font:bold 15px Arial}.window-buttons{display:flex;gap:3px}.window-buttons i{font-style:normal;display:grid;place-items:center;width:19px;height:19px;color:#111;background:#c0c0c0;box-shadow:inset 1px 1px #fff,inset -1px -1px #000,inset -2px -2px #808080;font:700 15px/1 Arial}.window-body{padding:16px 16px 14px}.stepper{list-style:none;display:flex;justify-content:space-between;margin:0;padding:0;gap:9px}.stepper li{display:flex;align-items:center;gap:9px;flex:1;color:var(--muted);font-size:14px}.stepper li:not(:last-child):after{content:"";height:2px;flex:1;background:var(--shadow);border-bottom:1px solid var(--hi)}.stepper li:last-child{flex:0.85}.stepper b{width:26px;height:27px;display:grid;place-items:center;flex-shrink:0}.stepper .current{color:var(--text);font-weight:600}.stepper .current b{background:var(--navy);color:#fff}.stepper .done b{color:var(--navy)}.rule{height:2px;background:var(--shadow);border-bottom:1px solid var(--hi);margin:14px -4px 22px}h2{font-size:21px;line-height:1.4;margin:3px 0 10px;font-weight:700}label{display:block;font-weight:600;margin-bottom:10px;font-size:14px}input[type=text],input:not([type]),textarea{display:block;width:100%;padding:13px 14px;background:var(--input);color:var(--text);font-size:15px;line-height:1.6}input.cdk-input{height:54px;font:18px "Courier New",monospace;letter-spacing:1.1px;text-align:center}input::placeholder,textarea::placeholder{color:#777;opacity:1}textarea{resize:vertical;min-height:118px;font-family:"Courier New",monospace!important;font-size:13px!important;overflow-wrap:anywhere}.hint{font-size:13px;color:var(--muted);line-height:1.7;margin:11px 0 0}.primary{min-height:47px;width:100%;font-weight:700;display:flex;align-items:center;justify-content:center;gap:9px;padding:12px 15px;margin-top:24px}.primary svg{width:15px;height:15px}.demo-toolbar{display:flex;gap:7px;flex-wrap:wrap;align-items:center;justify-content:center;margin:17px 0 1px;color:var(--muted);font-size:11px}.text-button{padding:0;border:0;background:none;color:var(--navy);text-decoration:underline;text-underline-offset:3px;font-size:inherit;min-height:24px}.demo-toolbar button{font-size:11px}.window-status{display:flex;gap:3px;padding:2px 3px 3px;font-size:10px;color:var(--muted)}.window-status>span{display:flex;align-items:center;gap:5px;padding:5px 7px}.window-status>span:first-child{flex:1}.window-status>span:last-child{font-family:"Courier New",monospace;font-size:9px;letter-spacing:.5px}.status-light{height:6px;width:6px;background:#9b7e3d}.plan-banner{display:flex;align-items:center;gap:8px;padding:10px 12px;font-size:12px;margin:0 0 18px;background:var(--light)}.plan-banner strong{margin-left:auto}.small-tag{font-size:10px;color:var(--muted);border:1px solid var(--shadow);padding:2px 4px}.instructions{padding-left:21px;margin:16px 0 22px;line-height:1.7;font-size:13px;color:var(--muted)}.instructions li{padding-left:3px;margin-bottom:8px}.instructions a{display:flex;align-items:center;gap:4px;width:fit-content;font-size:12px;word-break:break-all}.instructions a svg{width:12px;height:12px}.label-line{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:9px}.label-line label{margin:0}.label-line button{font-size:12px}.actions{display:flex;gap:12px;margin-top:22px}.actions>button{margin:0;min-height:44px;padding:12px 22px}.actions>.primary{flex:1}.error{background:#f4dfd8;color:#9b241d;padding:12px 14px;font-size:13px;line-height:1.6;margin-top:13px}.account-details{padding:5px 15px;background:var(--input);margin:20px 0}.account-details>div{padding:12px 0;border-bottom:1px solid #8883}.account-details>div:last-child{border:0}.account-details dt{font-size:12px;color:var(--muted);margin-bottom:6px}.account-details dd{margin:0;font-size:15px;font-weight:600;overflow-wrap:anywhere}.account-details dd span{font-size:11px;color:var(--muted);font-weight:400;margin-left:5px}.confirm-check{display:flex;align-items:center;gap:9px;font-weight:400;font-size:13px;margin-top:18px;cursor:pointer;line-height:1.6}.confirm-check input{width:18px;height:18px;accent-color:var(--navy);margin:0;flex-shrink:0}
.progress-pane{text-align:center}.computer-icon{width:70px;margin:13px auto 22px}.screen{background:#15255a;padding:10px;height:49px;border:4px solid var(--surface);box-shadow:inset 1px 1px var(--deep),inset -1px -1px var(--hi),-1px -1px var(--hi),1px 1px var(--deep);color:#a5c9ff;font:700 22px "Courier New",monospace;text-align:left}.stand{background:var(--shadow);width:22px;height:7px;margin:auto;border-right:2px solid var(--deep)}.base{height:7px;width:64px;margin:auto}.progress-meter{height:25px;padding:4px;display:grid;grid-template-columns:repeat(18,1fr);gap:3px;margin:25px 0}.progress-meter span{background:transparent}.progress-meter span.filled{background:var(--navy)}.process-list{padding:0;margin:18px 0 0;list-style:none;display:grid;gap:13px;text-align:left}.process-list li{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}.process-dot{width:21px;height:21px;border:1px solid var(--shadow);display:grid;place-items:center;font-size:11px}.process-list b{margin-left:auto;font-size:12px}.process-list .active{color:var(--navy)}.process-list .active .process-dot{background:var(--navy);color:#fff;animation:pulse 1s steps(2,end) infinite}.process-list .done{color:var(--text)}.process-list .done .process-dot{background:var(--light);color:var(--navy)}.result-details{margin-top:20px;background:var(--input);padding:12px;font-size:13px}.result-details span{display:block;font-size:12px;color:var(--muted);margin-top:6px}.progress-pane.uncertain .screen{background:#554c23;color:#ffe9a5}.progress-pane.uncertain .progress-meter span.filled{background:#9b7e3d}.query-toolbar{display:flex;justify-content:space-between;align-items:center;margin-top:8px;color:var(--muted);font-size:12px}#query-form{margin-top:22px}#query-result{font-size:12px;margin-top:15px}#query-result:empty{display:none}.query-row{background:var(--input);padding:12px;margin-top:7px;display:flex;justify-content:space-between;gap:10px;overflow-wrap:anywhere}.query-row code{font:11px "Courier New",monospace;overflow-wrap:anywhere}.query-row span{flex-shrink:0;color:var(--muted)}.guide-list{list-style:none;padding:0;margin:20px 0;display:grid;gap:23px}.guide-list li{display:flex;gap:13px}.guide-list b{width:28px;height:28px;display:grid;place-items:center;flex-shrink:0;color:var(--navy)}.guide-list h3{margin:2px 0 7px;font-size:14px}.guide-list p{font-size:13px;color:var(--muted);line-height:1.8;margin:0}.guide-list a{display:inline-block;margin-top:8px;font-size:12px}.guide-notice{font-size:12px;padding:12px;background:var(--light);line-height:1.7}
footer{width:min(1080px,calc(100% - 48px));margin:64px auto 100px;text-align:center;color:#d2e3e3;font-size:12px;line-height:1.7}footer>span:first-child{display:flex;align-items:center;justify-content:center;gap:7px}footer svg{width:13px;height:13px}.footer-note{display:block;font-size:11px;color:#b4d1d1;margin-top:5px}.preview-dock{position:fixed;bottom:14px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:12px;padding:5px 12px;z-index:3;font-size:11px;white-space:nowrap}.dock-label{font:10px "Courier New",monospace;color:var(--muted);border-right:1px solid var(--shadow);padding-right:12px}.dock-divider{height:13px;border-left:1px solid var(--shadow);border-right:1px solid var(--hi)}
html.dark{color-scheme:dark;--desktop:#182b32;--surface:#353d46;--text:#f0f0ed;--muted:#bdc4ca;--hi:#64717b;--light:#46515b;--shadow:#202830;--deep:#10161e;--input:#222b33;--navy:#9fbfff;--title-end:#456480}html.dark .titlebar{background:linear-gradient(90deg,#192d55,#456480)}html.dark .stepper .current b,html.dark .process-list .active .process-dot{background:#315890}html.dark .error{background:#583e37;color:#ffe0d5}html.dark .check-box{color:#fff}html.dark input::placeholder,html.dark textarea::placeholder{color:#939fa9}html.dark .local-badge{background:#2d3c3d;color:#a7d1b1}
@keyframes pulse{50%{opacity:.55}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;scroll-behavior:auto!important}}
@media(min-width:1450px){main{margin-top:100px}}
@media(max-width:760px){.cursor{display:none}}
@media(max-width:1050px){main{grid-template-columns:minmax(0,1fr) minmax(380px,1fr);gap:40px}.hero h1{font-size:41px}.hero h1>span[data-i]{font-size:37px}.lead{font-size:16px}.features li{font-size:13px}}
@media(max-width:760px){.taskbar{height:auto;min-height:44px;flex-wrap:wrap;gap:7px;padding:5px 8px}.brand{font-size:13px;padding:8px 10px}.taskbar nav{order:3;width:100%;margin:0;height:34px;gap:5px}.taskbar nav button{flex:1;font-size:12px;padding:0 9px}.tools{margin-left:auto;height:33px;border:0;padding:0}.tools select{min-width:89px;padding:0 20px 0 9px;font-size:12px}.theme{width:32px}main{display:flex;flex-direction:column;gap:30px;width:calc(100% - 32px);margin:30px auto 0}.hero{padding:0;width:100%}.hero h1{font-size:37px;line-height:1.15;margin:18px 0 15px}.hero h1>span[data-i]{font-size:33px}.lead{font-size:15px;line-height:1.8}.features{margin-top:22px;gap:10px}.features li{font-size:12px;gap:10px}.check-box{width:22px;height:22px}.hero-small{display:none}.window{width:100%}.window-body{padding:16px 13px 14px}.stepper{gap:6px}.stepper li{font-size:12px;gap:7px}.stepper b{width:25px;height:25px}.stepper li:last-child{flex:.8}.titlebar{font-size:12px}.window-status{font-size:9px}.window-status>span:last-child{font-size:8px}input.cdk-input{font-size:16px}textarea{font-size:16px!important}h2{font-size:20px}.demo-toolbar{gap:6px;font-size:11px}.actions{gap:9px}.actions>button{padding:12px 17px}.instructions a{font-size:11px}footer{width:calc(100% - 32px);margin:35px auto 100px;font-size:10px}.footer-note{font-size:10px}.preview-dock{max-width:calc(100% - 20px);gap:9px;font-size:10px;padding:6px 10px;bottom:10px}.dock-label{font-size:9px;padding-right:9px}}