:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#173c32;background:#fafaf6;font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button,a{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #cf7b40;outline-offset:4px}.wrap{width:min(1184px,calc(100% - 48px));margin:auto}header{border-bottom:1px solid #e1e5dc;background:#fafaf6}nav{height:86px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-size:23px;letter-spacing:-1px;font-weight:750;display:flex;align-items:center;gap:10px}.brandmark{background:#173c32;color:#e6f1aa;width:33px;height:38px;border-radius:4px 10px 4px 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23px;font-weight:600;font-size:14px}.primary:hover{background:#33634e}.hero .primary{margin-top:16px}.micro{font-size:12px;color:#718075;margin-top:18px}.art{height:340px;position:relative;display:grid;place-items:center;background:radial-gradient(ellipse,#e9eddf 0%,transparent 67%)}.orbit{position:absolute;width:310px;height:310px;border:1px dashed #cbd4c3;border-radius:50%;transform:rotate(-20deg)}.paper{position:absolute;width:156px;height:206px;background:white;border:1px solid #d3d9cd;border-radius:8px;box-shadow:0 18px 30px #173c3212;padding:22px}.paper.back{transform:rotate(-19deg) translate(-45px,5px);background:#e3ebd4}.paper.front{transform:rotate(12deg) translate(35px,-4px)}.paper b{font-family:Georgia,serif;font-size:30px;font-weight:400;display:block;margin:14px 0 24px}.paper i{display:block;background:#dce3d7;height:5px;margin:10px 0;border-radius:4px}.paper i:last-child{width:60%}.floating{position:absolute;background:#224b3d;color:#e7f1ba;border-radius:12px;width:58px;height:58px;display:grid;place-items:center;font-size:26px;box-shadow:0 8px 20px #173c3217;right:32px;bottom:43px;transform:rotate(-9deg)}.artlabel{position:absolute;top:15px;right:0;font-size:10px;letter-spacing:1px;transform:rotate(8deg);background:#ecf1d7;padding:10px 16px;border-radius:3px}.trustbar{display:flex;justify-content:space-around;gap:20px;border-top:1px solid #e0e4d9;border-bottom:1px solid #e0e4d9;padding:22px 0;font-size:12px;color:#667167}.trustbar b{color:#254b39;margin-right:8px}.tools-section{padding:64px 0 70px}.sectionhead{display:flex;justify-content:space-between;align-items:end;margin-bottom:28px;gap:24px}h2{font-size:32px;letter-spacing:-1.1px;font-weight:550;margin:10px 0}p{line-height:1.7}.sectionhead p{font-size:14px;color:#738075;margin:8px 0}.search{border:1px solid #d9dfd3;border-radius:6px;background:white;padding:13px 16px;width:250px;color:#173c32}.tabs{display:flex;gap:8px;margin-bottom:25px;flex-wrap:wrap}.tab{border:1px solid transparent;border-radius:24px;background:transparent;padding:9px 18px;color:#6a766c;font-size:12px}.tab.active{background:#e8eddf;color:#224b3d;border-color:#dce3d1}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.card{background:#fff;border:1px solid #e0e5d9;border-radius:10px;padding:25px;position:relative;transition:transform .18s,border-color .18s}.card:hover{border-color:#77986c;transform:translateY(-3px)}.icon{height:43px;width:43px;background:#edf1e3;border-radius:9px;display:grid;place-items:center;font-size:24px;color:#486d3b}.card:nth-child(3n+2) .icon{background:#f8eee2;color:#ac774d}.card:nth-child(3n) .icon{background:#e9edf5;color:#6b7d9b}.card h3{font-size:17px;letter-spacing:-.3px;margin:22px 0 8px}.card p{font-size:13px;color:#738075;margin:0;max-width:285px;min-height:44px}.arrow{position:absolute;right:25px;top:32px;color:#8b998c}.privacy{border:1px solid #d8e0ce;background:#edf1e4;border-radius:12px;padding:38px 44px;display:flex;justify-content:space-between;align-items:center;gap:40px;margin-bottom:65px}.privacy h2{font-size:27px}.privacy p{font-size:14px;color:#6d7b68;max-width:670px}.privacy .seal{font-size:55px;color:#718b59}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:35px;padding:10px 0 65px}.steps h3{font-size:16px}.steps p{font-size:13px;color:#74806f}.stepnum{font-size:12px;letter-spacing:1px;color:#8a997e}footer{border-top:1px solid #dce3d5;padding:28px 0;font-size:12px;color:#788471}footer .wrap{display:flex;justify-content:space-between;gap:20px;align-items:center}.toolhero{padding:40px 0 24px;text-align:center}.breadcrumb{font-size:12px;color:#6a7e6a;margin:0 0 30px;text-align:left}.toolhero h1{font-size:44px;letter-spacing:-2px;font-weight:550;margin:12px 0}.toolhero p{color:#6e7e6a;margin:10px auto;max-width:650px}.tool-work{max-width:980px;margin:0 auto 50px;background:#fff;border:1px solid #dce3d5;border-radius:12px;padding:28px}.drop{border:1.5px dashed #a8b99d;background:#f4f7ee;border-radius:9px;padding:35px 20px;text-align:center;position:relative}.drop.over{background:#dfead2}.drop input{max-width:100%;margin-top:18px;color:#4f6548;font-size:13px}.drop h2{font-size:21px;margin:10px 0}.drop p{font-size:13px;color:#7a8772;margin:8px 0}.filelist{display:grid;gap:8px;margin-top:20px}.file{display:flex;gap:12px;align-items:center;background:#f7f8f3;border-radius:6px;padding:12px;font-size:13px}.filename{flex:1;word-break:break-word}.small{border:1px solid #d4ddcb;background:white;color:#3d5e37;border-radius:5px;padding:6px 9px;font-size:12px}.pagehead{display:flex;justify-content:space-between;align-items:center;margin:25px 0 15px;gap:12px}.pagehead p{margin:0;font-size:13px}.pages{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:13px;max-height:520px;overflow:auto;padding:4px}.pagecard{border:1px solid #dce3d5;border-radius:6px;padding:9px;background:#fafbf7;text-align:center}.pagecard.selected{border:2px solid #4f7740;background:#edf3e6;padding:8px}.pagecard canvas{width:100%;height:145px;object-fit:contain;background:#fff}.pagecard label{display:block;font-size:12px;margin:8px 0}.moves{display:flex;justify-content:center;gap:8px}.settings{display:flex;gap:18px;flex-wrap:wrap;border-top:1px solid #e0e5da;padding:24px 0;margin-top:24px}.field{display:grid;gap:8px;font-size:12px;flex:1;min-width:130px}.field input,.field select{width:100%;border:1px solid #cfdac7;border-radius:5px;padding:11px;background:white;color:#244d36}.actions{display:flex;gap:18px;align-items:center;flex-wrap:wrap}.status{font-size:13px;color:#56724a;white-space:pre-line}.status.error{color:#a73522}.result{padding:18px;background:#eaf3e0;border:1px solid #c2d4ad;border-radius:7px;margin:18px 0}.result a{text-decoration:underline;font-weight:650}.result p{font-size:12px;margin:8px 0 0}.info{max-width:800px;margin:0 auto 60px}.info h2{font-size:26px}.info h3{font-size:16px;margin-top:24px}.info p,.info li{color:#71816a;font-size:14px;line-height:1.8}.info details{border-bottom:1px solid #dce3d5;padding:17px 0}.info summary{cursor:pointer;font-size:14px;font-weight:600}.hidden{display:none!important}.empty{color:#75866c;grid-column:1/-1;padding:20px}.note{font-size:12px;color:#7e8975}.footlinks{display:flex;gap:24px}@media(max-width:740px){.wrap{width:calc(100% - 32px)}nav{height:72px}.navlinks{gap:16px}.navlinks .pill{display:none}.hero{grid-template-columns:1fr;padding:42px 0 38px;gap:15px}.hero h1{letter-spacing:-2px;font-size:48px}.hero p{font-size:15px}.art{height:265px}.orbit{height:240px;width:240px}.paper{transform:scale(.85)}.paper.back{transform:scale(.85) rotate(-19deg) translate(-40px,5px)}.paper.front{transform:scale(.85) rotate(12deg) translate(35px,-4px)}.artlabel{right:10px}.floating{right:35px;bottom:18px}.trustbar{flex-wrap:wrap;justify-content:flex-start;gap:14px;font-size:11px}.sectionhead{align-items:start;flex-direction:column;gap:12px}.search{width:100%}.grid{grid-template-columns:repeat(2,1fr);gap:10px}.card{padding:19px}.card h3{font-size:15px}.card p{font-size:12px}.arrow{right:18px;top:25px}.privacy{padding:24px;gap:10px;margin-bottom:40px}.privacy .seal{display:none}.steps{grid-template-columns:1fr;gap:15px}.toolhero h1{font-size:36px}.tool-work{padding:16px}.toolhero{padding-top:24px}.pagehead{flex-wrap:wrap}footer .wrap{flex-wrap:wrap}}@media(prefers-reduced-motion:reduce){*{transition:none!important}} 


/* Main navigation stays accessible on compact screens. */
header nav{height:auto;min-height:86px;padding-top:18px;padding-bottom:18px;flex-wrap:wrap}.brand{flex-shrink:0}.navlinks{flex-wrap:wrap;gap:14px 22px}.navlinks>a{white-space:nowrap;font-size:13px}.navlinks>a:hover{text-decoration:underline;text-underline-offset:5px}@media(max-width:960px){header nav{gap:16px}.navlinks{width:100%;gap:12px 20px}.navlinks .pill{display:none}}@media(max-width:740px){header nav{min-height:72px;padding-top:16px;padding-bottom:16px}.navlinks{gap:12px 18px}.navlinks>a{font-size:12px}}

/* Localized navigation and language links. */
.language-menu{position:relative;color:#31543f;font-size:13px;margin-left:auto;z-index:20}.language-menu summary{cursor:pointer;list-style:none;padding:9px 12px;border:1px solid #cfdbc6;border-radius:6px;white-space:nowrap;background:#fff}.language-menu summary::-webkit-details-marker{display:none}.language-menu summary:focus-visible{outline:3px solid #cf7b40;outline-offset:3px}.language-menu ul{position:absolute;right:0;top:100%;min-width:190px;list-style:none;padding:7px;margin:7px 0 0;background:#fff;border:1px solid #d6dfcf;border-radius:8px;box-shadow:0 9px 25px #173c3217}.language-menu a{display:block;padding:10px;border-radius:4px}.language-menu a:hover,.language-menu a[aria-current]{background:#edf2e5}.navlinks{flex:1}.navlinks .pill{display:none}html:not([lang=en]) .hero h1{font-size:clamp(36px,4.7vw,60px);letter-spacing:-2px}html:not([lang=en]) .hero h1 em{overflow-wrap:anywhere}html[lang=zh-CN] .hero h1{line-height:1.35}html:not([lang=en]) .toolhero h1{overflow-wrap:anywhere}.artlabel{max-width:100%;text-align:center}.card h3{overflow-wrap:anywhere}@media(max-width:960px){.language-menu{margin-left:0}.navlinks{flex-basis:100%}.navlinks>a{white-space:normal}}@media(max-width:740px){html:not([lang=en]) .hero h1{font-size:42px;letter-spacing:-1.5px}.language-menu{font-size:12px}.navlinks{gap:10px 15px}.toolhero h1{font-size:32px}.hero p{overflow-wrap:anywhere}}
/* Concrete examples and verified sample output previews. */
.tool-guide{border-top:1px solid #d8e2ce;margin-top:34px;padding-top:30px}.tool-guide h2{font-size:27px;line-height:1.3}.example-flow{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;padding:24px;background:#f0f4e9;border-radius:10px;margin:22px 0 8px}.example-flow>div{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;min-width:0}.example-file{padding:14px 18px;background:#fff;border:1px solid #d3dfc7;border-radius:6px;font-size:13px;color:#274b36;overflow-wrap:anywhere}.output-file{background:#244d3b;color:#fff;border-color:#244d3b}.example-arrow{font-size:25px;color:#5b7751}.info .example-key{font-size:11px;margin-top:4px}.info .expected-result{background:#eaf2df;border-left:3px solid #6b8f52;padding:16px 20px;border-radius:4px;color:#34532c}.sample-links{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;margin:22px 0}.sample-links strong{font-weight:600}.sample-links a{padding:8px 11px;border:1px solid #cfddc2;border-radius:5px;text-decoration:underline;text-underline-offset:3px}.tool-guide figure{margin:25px 0}.tool-guide figure img{display:block;width:100%;height:auto;border:1px solid #d7e1cc;border-radius:9px}.tool-guide figcaption{font-size:11px;color:#748168;line-height:1.6;margin-top:9px}.tool-guide ol{padding-left:24px}.tool-guide li{padding:4px 0}@media(max-width:540px){.example-flow{gap:10px;padding:17px 12px;grid-template-columns:1fr}.example-arrow{text-align:center;transform:rotate(90deg)}.tool-guide h2{font-size:24px}.sample-links strong{width:100%}}