:root{--bg:#f6f7f4;--paper:#fff;--ink:#202e29;--muted:#718079;--green:#166b54;--lime:#ddecba;--line:#e0e5df;--soft:#edf4ed;--mono:'SFMono-Regular',Consolas,'Liberation Mono',monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #63a98d;outline-offset:5px}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.svg-defs{position:absolute;width:0;height:0;overflow:hidden}[hidden]{display:none!important}.skip-link{position:fixed;top:-50px;left:10px;background:var(--green);color:white;padding:8px;z-index:50}.skip-link:focus{top:8px}.site-header{max-width:1200px;margin:auto;height:100px;padding:0 32px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:36px}.brand{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:650;letter-spacing:1px;line-height:1.4}.brand-icon{display:grid;place-items:center;width:42px;height:46px;background:var(--green);color:#eff6dc;border-radius:12px}.brand-icon svg{width:27px;height:27px}.brand-en{display:block;font:8px var(--mono);letter-spacing:1.8px;color:var(--muted);margin-top:4px}nav{display:flex;gap:34px;margin-left:25px}nav a{font-size:13px;color:var(--muted)}nav .nav-active{color:var(--green);font-weight:600;position:relative}nav .nav-active:after{content:'';position:absolute;width:4px;height:4px;border-radius:50%;background:var(--green);bottom:-11px;left:50%}.local-badge{display:flex;gap:8px;align-items:center;font-size:11px;color:#5b7164}.live-dot{width:6px;height:6px;border-radius:50%;background:#388465;box-shadow:0 0 0 4px #e9eee4}main{max-width:1100px;margin:auto;padding:0 32px}.hero{padding:69px 18px 58px;display:grid;grid-template-columns:1.2fr 1fr;align-items:center;min-height:380px}.eyebrow{font:10px var(--mono);letter-spacing:2px;color:var(--green);display:flex;align-items:center;gap:8px}.eyebrow>span{width:15px;height:1px;background:var(--green)}h1{font-size:48px;line-height:1.32;letter-spacing:-1.5px;font-weight:650;margin:23px 0 19px}.accent{color:var(--green)}.hero-description{font-size:14px;color:var(--muted);line-height:1.9;margin:0}.hero-tags{display:flex;gap:0;font-size:10px;color:#6c7e73;margin-top:23px;align-items:center}.hero-tags span+span:before{content:'·';margin:0 13px;color:#9fab9f}.hero-art{height:272px;position:relative;display:flex;align-items:center;justify-content:center}.orbit{position:absolute;border:1px solid #dfe5da;border-radius:50%;width:282px;height:282px}.orbit-two{width:217px;height:217px;border-style:dashed;transform:rotate(-25deg)}.orbit-one:after,.orbit-dot{content:'';position:absolute;width:9px;height:9px;background:#d6e1cc;border-radius:50%;top:37px;left:37px}.orbit-dot{top:202px;left:calc(50% + 115px);width:6px;height:6px;background:#608c6c}.certificate-art{position:relative;transform:rotate(-7deg);width:200px;height:232px;background:#fff;border:1px solid #dfe5d9;border-radius:13px;box-shadow:0 18px 34px -18px #4e705b40;padding:21px}.art-top{display:flex;align-items:center;gap:5px;font:6px var(--mono);letter-spacing:.7px;color:#61776b}.art-top>span:first-child{width:4px;height:4px;border-radius:50%;background:var(--green)}.art-top svg{width:13px;height:13px;margin-left:auto;color:var(--green)}.art-lines{display:flex;flex-direction:column;gap:6px;margin:16px 0}.art-lines i{width:86%;height:4px;background:#edf0e9;border-radius:3px}.art-lines i:nth-child(2){width:65%}.art-lines i:nth-child(3){width:40%}.art-fingerprint{position:absolute;bottom:34px;left:53px;color:#80a083}.art-fingerprint svg{width:88px;height:88px;stroke-width:1.6}.art-bottom{display:flex;justify-content:space-between;position:absolute;bottom:18px;left:21px;right:21px;font:7px var(--mono);color:#7c8e80;border-top:1px solid #edf1e9;padding-top:10px}.art-seal{width:51px;height:51px;position:absolute;right:-23px;bottom:46px;border:5px solid var(--bg);outline:1px solid #d8e5c7;border-radius:50%;background:var(--lime);color:var(--green);display:grid;place-items:center;transform:rotate(7deg)}.art-seal svg{width:24px;height:24px;stroke-width:2}.art-caption{position:absolute;bottom:-22px;display:flex;align-items:center;gap:7px;font:7px var(--mono);letter-spacing:1.5px;color:#95a18f}.art-caption>span{width:15px;height:1px;background:#95a18f}.inspector{scroll-margin-top:28px}.section-bar{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:16px}.section-bar h2{font-size:14px;display:flex;align-items:center;gap:10px;margin:0;font-weight:600}.section-number{font:10px var(--mono);color:#869683;border:1px solid var(--line);border-radius:5px;padding:2px 6px}.section-note{font-size:10px;color:#8c978d}.dropzone{position:relative;border:1px dashed #b1c5b3;border-radius:16px;min-height:308px;background:linear-gradient(135deg,#fff,#fbfdf9);display:flex;flex-direction:column;align-items:center;justify-content:center;transition:border-color .2s,background .2s,box-shadow .2s;overflow:hidden}.dropzone:hover{border-color:var(--green);box-shadow:0 8px 30px -20px #1b573d40}.upload-illustration{position:relative;margin-bottom:16px;display:grid;place-items:center;width:52px;height:57px;border:1px solid #d9e4d5;border-radius:12px;background:#f0f5eb;color:#578266}.upload-illustration>svg{width:27px;height:27px}.upload-illustration>span{position:absolute;bottom:-4px;right:-5px;background:white;border:1px solid #d9e4d5;width:23px;height:23px;border-radius:50%;text-align:center;line-height:20px;font-size:16px}.dropzone h3{font-size:19px;font-weight:550;margin:0 0 5px;letter-spacing:.3px}.dropzone>p{color:var(--muted);font-size:12px;margin:0 0 20px}.button{display:inline-flex;align-items:center;justify-content:center;gap:14px;border-radius:7px;border:1px solid var(--line);padding:10px 18px;background:white;color:var(--ink);font-size:12px;font-weight:500;transition:background .2s,transform .2s;white-space:nowrap}.button:hover{background:#edf3e8;transform:translateY(-1px)}.button svg{width:16px;height:16px}.button-primary{background:var(--green);border-color:var(--green);color:white;padding:10px 27px;box-shadow:0 3px 6px #166b5415}.button-primary:hover{background:#10513f}.upload-meta{display:flex;gap:7px;align-items:center;margin-top:20px;font:10px var(--mono);color:#8a968b}.upload-meta>span{font-size:9px;border:1px solid #e1e8dc;border-radius:4px;padding:0 5px;line-height:18px;background:#fafcf8}.upload-meta i{height:10px;width:1px;background:var(--line);margin:0 5px}#drag-overlay{display:none;position:absolute;inset:0;place-items:center;background:#edf6eaf5;color:var(--green);font-size:24px;font-weight:600;pointer-events:none}.dragging #drag-overlay{display:grid}.upload-bottom{display:flex;justify-content:space-between;padding:15px 3px;gap:16px;font-size:10px;color:#82907f}.upload-bottom>span{display:flex;align-items:center;gap:7px}.upload-bottom svg{width:12px;height:12px}.text-button{display:inline-flex;gap:7px;align-items:center;border:0;background:transparent;color:var(--green);font-size:11px;padding:0;white-space:nowrap}.text-button:hover{text-decoration:underline;text-underline-offset:4px}.progress-panel,.error-panel{display:flex;gap:15px;align-items:center;background:white;padding:22px;border:1px solid var(--line);border-radius:12px;margin:20px 0}.progress-panel>div{flex:1;min-width:0}.progress-panel strong{overflow-wrap:anywhere}.progress-panel p,.error-panel p{margin:4px 0 0;font-size:12px;color:var(--muted)}.spinner{width:22px;height:22px;border:2px solid var(--line);border-top-color:var(--green);border-radius:50%;animation:spin .8s linear infinite}.error-panel{background:#fff4ef;border-color:#ebcebf;color:#9b4a2d;align-items:flex-start}.error-panel p{color:#9b4a2d}.error-panel>div{flex:1}.features{display:grid;grid-template-columns:repeat(3,1fr);padding:38px 0 54px;gap:30px;border-bottom:1px solid var(--line)}.features article{padding-left:23px;position:relative}.features article+article{border-left:1px solid var(--line);padding-left:32px}.feature-icon{color:#547a60;display:block;margin-bottom:15px}.feature-icon svg{width:23px;height:23px}.features h3{font-size:14px;font-weight:550;margin:0 0 9px}.features p{font-size:11px;line-height:1.9;color:var(--muted);margin:0}.guide{display:grid;grid-template-columns:1fr 1.8fr;gap:50px;padding:54px 19px 60px}.guide-title h2{font-size:22px;letter-spacing:-.5px;margin:15px 0 10px;font-weight:550}.guide-title p{font-size:11px;color:var(--muted)}.faq details{border-bottom:1px solid var(--line);padding:15px 0}.faq details:first-child{padding-top:0}.faq summary{font-size:12px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:15px}.faq summary::-webkit-details-marker{display:none}.faq summary>span{color:#77947c;font-size:18px;line-height:18px}.faq details[open] summary>span{transform:rotate(45deg)}.faq p{font-size:12px;color:var(--muted);line-height:1.9;margin:12px 18px 5px 0}footer{max-width:1136px;padding:26px 0 32px;margin:auto;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:10px;color:#889285}.footer-brand{color:#516851;font-size:11px}.footer-brand>span{color:#899484;font:9px var(--mono);margin-left:8px}footer>a:last-child{font-size:10px}#toast{position:fixed;left:50%;bottom:30px;transform:translate(-50%,15px);background:#203f30;color:white;padding:10px 18px;border-radius:8px;font-size:12px;opacity:0;pointer-events:none;transition:.2s;z-index:100;max-width:90vw}#toast.visible{opacity:1;transform:translate(-50%,0)}
/* Inspection report */
#results{margin-top:28px;outline:none}.result-actions{display:flex;gap:8px;flex-wrap:wrap}.result-actions .button{padding:7px 11px;font-size:10px;gap:6px}.report-shell{border:1px solid var(--line);border-radius:15px;background:white;overflow:hidden}.file-bar{display:flex;align-items:center;padding:20px 24px;gap:14px;border-bottom:1px solid var(--line)}.file-icon{background:var(--soft);color:var(--green);border-radius:9px;width:39px;height:44px;display:grid;place-items:center}.file-info{flex:1;min-width:0}.file-info strong{font-size:13px;font-weight:550;overflow-wrap:anywhere;display:block}.file-info p{font:9px var(--mono);color:var(--muted);margin:3px 0 0}.icon-button{display:inline-flex;align-items:center;justify-content:center;border:0;background:transparent;color:#819281;padding:6px;border-radius:5px}.icon-button:hover{color:var(--green);background:#eef3e9}.icon-button svg{width:16px;height:16px}.result-status{display:flex;align-items:center;gap:15px;background:#f1f7ef;padding:23px 26px;color:#286243}.status-symbol{background:#e1efd9;display:grid;place-items:center;width:39px;height:39px;border-radius:50%;flex-shrink:0}.result-status h3{font-size:18px;font-weight:550;margin:0 0 3px}.result-status p{font-size:10px;margin:0;opacity:.8}.status-invalid{background:#fff1ed;color:#a94329}.status-invalid .status-symbol{background:#fbe0d6}.status-partial,.status-unsigned{background:#fcf6e9;color:#92702c}.status-partial .status-symbol,.status-unsigned .status-symbol{background:#f3e7ca}.status-demo{background:#eef3fa;color:#536e91}.status-demo .status-symbol{background:#e0e9f5}.scheme-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:17px 25px;border-bottom:1px solid var(--line)}.scheme-label{font-size:10px;color:var(--muted);margin-right:5px}.pill{font:10px var(--mono);border-radius:5px;padding:3px 7px;background:#eef5e9;color:var(--green);border:1px solid #dfead8}.pill.absent{background:#f7f8f5;color:#8d998e;border-color:#e8ece5}.pill.invalid{background:#fff1ed;color:#a94329;border-color:#f3d6cc}.pill.partial{background:#fbf4e6;color:#92702c;border-color:#eee2c6}.pill.demo{background:#eef3fa;color:#536e91;border-color:#dbe4f0}.report-toolbar{display:flex;justify-content:space-between;align-items:center;padding:0 25px;border-bottom:1px solid var(--line);gap:15px}.tabs{display:flex;gap:25px}.tab{border:0;border-bottom:2px solid transparent;background:none;color:var(--muted);padding:17px 0 13px;font-size:11px}.tab.active{color:var(--green);border-bottom-color:var(--green);font-weight:600}.signer-select{background:white;border:1px solid var(--line);border-radius:5px;max-width:170px;padding:5px;font-size:10px;color:var(--green)}.certificate-content{padding:25px}.content-heading{display:flex;align-items:center;gap:8px;margin:0 0 20px;font-size:13px;font-weight:550}.content-heading svg{width:17px;height:17px;color:var(--green)}.certificate-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 35px}.field{padding:11px 0;border-bottom:1px solid #eef0eb;min-width:0}.field-wide{grid-column:1/-1}.field dt{font-size:10px;color:var(--muted);margin-bottom:5px}.field dd{margin:0;font:11px/1.8 var(--mono);color:#3c5044;overflow-wrap:anywhere}.field dd.chinese{font-family:inherit}.field .muted{color:var(--muted)}dl{margin:0}.fingerprint-section{margin-top:30px}.fingerprint-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;gap:10px}.fingerprint-heading .content-heading{margin:0}.format-label{font-size:10px;color:var(--muted);display:flex;gap:7px;align-items:center}.format-label select{font-size:10px;border:1px solid var(--line);border-radius:5px;background:white;padding:4px 5px;color:#617a66}.fingerprint{display:grid;grid-template-columns:75px minmax(0,1fr) 28px;align-items:start;gap:12px;padding:13px 14px;margin:7px 0;background:#f6f8f3;border:1px solid #edf0e9;border-radius:7px}.fingerprint>span{font:10px/1.8 var(--mono);color:#7e907a;padding-top:3px}.fingerprint code{font:11px/1.9 var(--mono);color:#3c5843;overflow-wrap:anywhere;padding-top:2px;letter-spacing:.3px}.fingerprint .icon-button{padding:4px}.key-details{margin-top:24px;border:1px solid var(--line);border-radius:8px;overflow:hidden}.key-details>summary{padding:13px 15px;cursor:pointer;font-size:11px;background:#fcfdfb}.key-details[open]>summary{border-bottom:1px solid var(--line)}.key-body{padding:15px}.key-label{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);align-items:center;margin:0 0 8px}.key-body pre{white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-all;font:10px/1.9 var(--mono);background:#f7f8f5;padding:13px;border-radius:6px;color:#50634f;max-height:240px;overflow:auto;margin:0 0 16px}.report-note{padding:16px 25px;background:#fafbf8;border-top:1px solid var(--line);font-size:10px;line-height:1.9;color:#7b8879}.report-note p{margin:0}.report-note strong{font-weight:550;color:#5a7058}.raw-report{font:11px/1.9 var(--mono);white-space:pre-wrap;overflow-wrap:anywhere;padding:24px;margin:0;max-height:650px;overflow:auto;background:#fafcf8;color:#476044}.check-list{margin:0;padding:23px 26px;list-style:none}.check-list li{padding:14px 0;border-bottom:1px solid var(--line);font-size:12px}.check-list li:last-child{border:0}.check-list strong{font:12px var(--mono);margin-right:10px}.check-list p{font-size:11px;color:var(--muted);margin:6px 0 0}.empty-signers{padding:35px;color:var(--muted);font-size:13px}.demo-label{font-size:10px;background:#f0f4fb;color:#536e91;padding:7px 25px;border-bottom:1px solid #e2e8f1}.cert-expiry{font-size:10px;color:#92702c;margin-top:10px}.private-note{margin-top:14px;font-size:10px;color:var(--muted)}
@keyframes spin{to{transform:rotate(360deg)}}@media(min-width:1500px){.site-header{max-width:1280px}main{max-width:1160px}.hero{padding-top:80px;padding-bottom:75px}footer{max-width:1216px}}@media(max-width:760px){.site-header{height:82px;padding:0 22px;gap:15px}.brand{font-size:16px}.brand-icon{width:36px;height:40px}.brand-en{font-size:7px}nav{gap:18px;margin:0}nav a{font-size:11px}.local-badge{display:none}main{padding:0 22px}.hero{padding:43px 0 36px;min-height:0;grid-template-columns:1.2fr .8fr;gap:0}h1{font-size:37px;letter-spacing:-1px}.eyebrow{font-size:8px;letter-spacing:1px}.hero-description{font-size:12px}.hero-art{transform:scale(.77);transform-origin:center right}.hero-tags{margin-top:18px}.art-caption{display:none}.section-note{font-size:9px}.dropzone{min-height:295px}.features{gap:16px;padding:30px 0 35px}.features article{padding-left:3px}.features article+article{padding-left:16px}.features p{font-size:10px}.features p br{display:none}.features h3{font-size:12px}.guide{padding:35px 0;gap:28px;grid-template-columns:1fr 1.7fr}.guide-title h2{font-size:18px}.guide-title p{font-size:10px}.faq summary{font-size:11px}footer{margin:0 22px;padding:22px 0;flex-wrap:wrap}footer>span{display:none}.certificate-grid{gap:0 22px}.result-actions .button{font-size:9px;padding:6px 8px}.report-toolbar{padding:0 17px}.tabs{gap:19px}.certificate-content{padding:20px}.fingerprint{gap:8px;grid-template-columns:65px minmax(0,1fr) 24px}.fingerprint code{font-size:10px}.result-status{padding:20px}.section-bar{flex-wrap:wrap}}@media(max-width:480px){.site-header{height:76px;padding:0 20px}.brand{font-size:15px;gap:9px}nav{gap:15px}main{padding:0 18px}.hero{display:block;padding:39px 4px 32px}.hero-art{display:none}h1{font-size:39px;margin-top:18px;line-height:1.3}.hero-description{font-size:12px}.hero-tags{margin-top:16px}.eyebrow{font-size:8px;letter-spacing:1.5px}.section-note{display:none}.dropzone h3{font-size:17px}.dropzone{min-height:295px;border-radius:12px}.upload-bottom{align-items:flex-start;gap:12px}.upload-bottom>span{font-size:9px;max-width:220px;line-height:1.8;align-items:flex-start}.upload-bottom>span svg{margin-top:2px}.text-button{font-size:10px}.features{grid-template-columns:1fr;gap:0;padding:22px 0 30px}.features article,.features article+article{padding:14px 0 14px 44px;border:0}.feature-icon{position:absolute;left:5px;top:17px}.features h3{font-size:13px;margin-bottom:5px}.features p{font-size:11px}.guide{grid-template-columns:1fr;gap:24px;padding:30px 4px 35px}.guide-title h2{margin:11px 0 6px;font-size:21px}.guide-title p{margin:0}.faq summary{font-size:12px}.faq details{padding:17px 0}.section-bar h2{font-size:13px}.section-bar .result-actions{width:100%;justify-content:flex-end}.result-actions .button{font-size:10px}.file-bar{padding:17px 18px}.file-info strong{font-size:12px}.result-status h3{font-size:17px}.result-status p{font-size:10px}.scheme-row{padding:14px 18px}.report-toolbar{padding:0 16px;gap:10px;flex-wrap:wrap}.signer-select{margin:10px 0}.tabs{gap:20px}.certificate-content{padding:20px 16px}.certificate-grid{gap:0 15px}.field dt{font-size:9px}.field dd{font-size:10px}.fingerprint{grid-template-columns:minmax(0,1fr) 26px;gap:2px 8px;padding:11px 12px}.fingerprint>span{grid-column:1}.fingerprint code{grid-row:2;grid-column:1/-1}.fingerprint .icon-button{grid-column:2;grid-row:1}.fingerprint-heading{align-items:center}.fingerprint-heading .content-heading{font-size:12px}.format-label{font-size:9px}.report-note{padding:15px 18px}.raw-report{padding:18px;font-size:10px}.progress-panel{padding:17px;gap:10px}.progress-panel strong{font-size:12px}.progress-panel p{font-size:10px}.demo-label{padding:7px 18px}footer{margin:0 20px;gap:15px}.footer-brand>span{display:block;margin-left:0;font-size:8px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation-duration:2s!important}}