:root{--paper:#f7f5ef;--surface:#fffefb;--ink:#252b25;--muted:#63685f;--line:#dddcd2;--accent:#315e43;--accent-hover:#244a33;--soft:#edf1e8;--warm:#a34b2c;--error:#9b3027;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}html.dark{--paper:#1d211d;--surface:#272d27;--ink:#f2f0e7;--muted:#bbc0b5;--line:#454d42;--accent:#abd1ad;--accent-hover:#c6e5c4;--soft:#333f31;--warm:#ecab86;--error:#ffada5;color-scheme:dark}a{color:inherit;text-underline-offset:4px}button,input,select{font:inherit}button,a,input,select,summary{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}[hidden]{display:none!important}:focus-visible{outline:3px solid var(--warm);outline-offset:4px}.site-header{max-width:1240px;margin:auto;min-height:90px;display:flex;align-items:center;justify-content:space-between;padding:20px 32px;border-bottom:1px solid var(--line);gap:20px}.brand{font-size:21px;letter-spacing:-.7px;font-weight:750;display:inline-flex;align-items:center;text-decoration:none;white-space:nowrap}.brand-mark{font-size:25px;background:var(--accent);color:var(--paper);border-radius:7px;width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;margin-right:10px}.brand-dot{color:var(--warm)}nav{display:flex;align-items:center;gap:28px}nav a{text-decoration:none;font-size:14px}nav a:hover,.text-link:hover{color:var(--warm)}.theme-button{border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--ink);width:38px;height:38px;font-size:23px}main{max-width:1176px;margin:auto}.hero{display:grid;grid-template-columns:1fr 1.05fr;gap:72px;padding:68px 0 72px;align-items:start}.hero-copy{padding-top:30px}.eyebrow{font-size:11px;font-weight:700;letter-spacing:1.8px;color:var(--warm);margin:0 0 23px}h1{font-size:clamp(36px,4.7vw,61px);line-height:1.07;font-weight:650;letter-spacing:-2.7px;margin:0 0 26px}h2{font-size:30px;line-height:1.2;letter-spacing:-1px;font-weight:650;margin:0 0 24px}h3{font-size:17px;line-height:1.4;margin:0 0 8px}.intro{font-size:18px;line-height:1.7;color:var(--muted);max-width:430px;margin:0 0 28px}.trust-list{padding:0;margin:28px 0;list-style:none;font-size:14px}.trust-list li{margin:11px 0}.trust-list li:before{content:'✓';color:var(--accent);margin-right:12px}.hero-note{display:flex;gap:14px;border-top:1px solid var(--line);max-width:390px;margin-top:36px;padding-top:22px;color:var(--muted);font-size:14px}.hero-note span{font-size:27px;color:var(--warm)}.hero-note p{margin:0}.text-link{display:inline-block;margin-top:20px;font-size:14px;font-weight:700}.workspace{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:25px;box-shadow:0 7px 0 -1px var(--paper),0 8px 0 var(--line)}.workspace-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:18px}.step-label{font-size:10px;font-weight:700;letter-spacing:1.5px}.local-label{font-size:11px;color:var(--accent)}.local-label span{font-size:8px;margin-right:5px}.drop-zone{position:relative;border:1.5px dashed #a8b4a3;border-radius:8px;background:var(--soft);text-align:center;padding:27px 12px 22px}.drop-zone.dragging{outline:3px solid var(--accent)}.upload-icon{display:block;font-size:34px;line-height:1;margin-bottom:14px;color:var(--accent)}.drop-zone h2{font-size:19px;letter-spacing:-.4px;margin:0 0 4px}.drop-zone p{font-size:12px;color:var(--muted);margin:0 0 16px}.upload-button{display:inline-block;padding:9px 22px;background:var(--accent);color:var(--surface);border-radius:5px;font-size:13px;font-weight:700;cursor:pointer}.drop-zone input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.drop-zone:focus-within{outline:3px solid var(--warm);outline-offset:4px}.upload-hint{display:block;font-size:10px;color:var(--muted);margin-top:12px}fieldset{border:0;padding:0;margin:24px 0 18px;min-width:0}legend{padding:0;margin-bottom:14px}.control-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}label{display:block;font-size:12px;font-weight:650}input:not([type=file]):not([type=range]),select{display:block;width:100%;height:44px;padding:9px 11px;border:1px solid var(--line);border-radius:5px;background:var(--surface);color:var(--ink);margin-top:6px;min-width:0;font-size:13px}input::placeholder{color:var(--muted);opacity:1}.input-unit{display:block;position:relative}.input-unit input{padding-right:43px!important}.input-unit span{position:absolute;right:12px;top:11px;color:var(--muted);font-size:12px}.quick-sizes{display:flex;gap:7px;align-items:center;margin:13px 0 19px;flex-wrap:wrap}.quick-sizes span{font-size:10px;color:var(--muted);margin-right:3px}.quick-sizes button{border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:4px;padding:5px 11px;font-size:11px}.quick-sizes button:hover{background:var(--soft);border-color:var(--accent)}details{border-top:1px solid var(--line)}summary{cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;list-style:none;padding:15px 0;font-size:13px;font-weight:650}summary::-webkit-details-marker{display:none}summary span{font-size:19px;font-weight:400}details[open]>summary span{transform:rotate(45deg)}.advanced{padding-bottom:6px}.hint{font-size:11px;color:var(--muted);margin:9px 0 16px}.quality-label{display:flex;justify-content:space-between;margin-top:18px}.quality-label output{color:var(--accent)}input[type=range]{width:100%;accent-color:var(--accent);margin:12px 0 0}.primary-button{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;border:0;border-radius:6px;padding:13px;background:var(--accent);color:var(--surface);font-size:14px;font-weight:700;text-decoration:none}.primary-button:hover:not(:disabled){background:var(--accent-hover)}.status{font-size:12px;color:var(--accent);margin:12px 0 0}.status:empty{display:none}.tool-footnote{font-size:10px;color:var(--muted);text-align:center;margin:12px 0 0}.selected-file{display:flex;align-items:center;gap:13px;padding:16px 0;border-bottom:1px solid var(--line)}.selected-file img{width:46px;height:46px;object-fit:contain;background:var(--soft)}.selected-file div{flex:1;min-width:0}.selected-file strong{display:block;font-size:12px;overflow-wrap:anywhere}.selected-file span{display:block;font-size:11px;color:var(--muted)}.selected-file button{font-size:11px;background:transparent;border:0;color:var(--warm);padding:10px}.error{border-left:3px solid var(--error);background:var(--paper);padding:12px;font-size:13px;color:var(--error);margin:14px 0}.result{border-top:1px solid var(--line);margin-top:24px;padding-top:22px;scroll-margin-top:24px}.result-preview{background:var(--paper);display:flex;justify-content:center;align-items:center;min-height:120px;max-height:330px;border:1px solid var(--line);padding:15px}.result-preview img{max-width:100%;max-height:295px;object-fit:contain}.result-stats{display:flex;justify-content:space-between;gap:10px}.result-stats dt{font-size:10px;color:var(--muted)}.result-stats dd{font-size:13px;font-weight:700;margin:2px 0}.result p{font-size:12px}.preset-label{margin-bottom:18px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:26px}.section-heading .eyebrow{margin-bottom:12px}.section-heading h2{margin:0}.search-label{width:220px}.tools-section{padding:48px 0 58px;border-top:1px solid var(--line);scroll-margin-top:30px}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.tool-card{display:flex;align-items:center;gap:13px;padding:21px 17px;border:1px solid var(--line);border-radius:7px;background:var(--surface);text-decoration:none;transition:border-color .15s,transform .15s}.tool-card:hover{border-color:var(--accent);transform:translateY(-2px)}.card-icon{font-size:22px;width:34px;height:36px;color:var(--accent);flex-shrink:0;display:flex;align-items:center;justify-content:center;background:var(--soft);border-radius:5px}.tool-card strong{display:block;font-size:13px;font-weight:650}.tool-card small{display:block;font-size:10px;color:var(--muted);margin-top:4px}.card-arrow{margin-left:auto;color:var(--muted);font-size:15px}.how-section{padding:45px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.how-section .eyebrow{margin-bottom:12px}.how-section ol{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin:30px 0 0;padding:0;list-style:none}.how-section li>span{font-size:12px;color:var(--warm);display:block;margin-bottom:12px}.how-section p{font-size:14px;color:var(--muted);margin:0}.guide-section{display:grid;grid-template-columns:1fr 1.6fr;gap:55px;padding:55px 0;border-bottom:1px solid var(--line)}.guide-section p{font-size:15px;color:var(--muted);margin-top:0}.guide-section .eyebrow{font-size:11px;color:var(--warm)}.faq-section{padding:50px 0;max-width:800px}.faq-section details:last-child{border-bottom:1px solid var(--line)}.faq-section summary{font-size:15px;padding:19px 0}.faq-section p{font-size:14px;color:var(--muted);margin-top:0;max-width:740px}.related{padding:12px 0 55px}.related .tool-grid{grid-template-columns:1fr 1fr}.site-footer{max-width:1176px;border-top:1px solid var(--line);margin:0 auto;padding:35px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:25px}.site-footer p{font-size:12px;color:var(--muted);margin:8px 0}.site-footer .brand{font-size:17px}.site-footer nav{gap:20px;flex-wrap:wrap}.site-footer nav a,.site-footer nav button{font-size:12px}.site-footer nav button{background:none;border:0;color:inherit;padding:0}.site-footer .footer-note{width:100%;font-size:10px}.breadcrumb{display:flex;gap:12px;font-size:11px;color:var(--muted);padding-top:25px}.breadcrumb a{text-decoration:none}.tool-hero{padding-top:24px}.tool-hero h1{font-size:48px}.cookie-choice{position:fixed;bottom:18px;left:18px;max-width:360px;background:var(--surface);border:1px solid var(--line);padding:16px;box-shadow:0 5px 25px #0001;z-index:20;border-radius:8px}.cookie-choice p{font-size:12px;margin:0 0 12px}.cookie-choice div{display:flex;gap:10px}.cookie-choice button{background:var(--soft);border:1px solid var(--line);color:var(--ink);font-size:12px;padding:7px 13px;border-radius:4px}.article{max-width:780px;padding:65px 24px}.article h1{font-size:49px}.article .intro{max-width:none}.article h2{margin-top:35px;font-size:25px}.article p,.article li{color:var(--muted)}.article .eyebrow{color:var(--warm)}table{border-collapse:collapse;width:100%;font-size:13px}td,th{padding:13px;text-align:left;border:1px solid var(--line)}.table-wrap{overflow-x:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:10px;top:10px;background:var(--surface);z-index:99;padding:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(min-width:1450px){.hero{gap:100px;padding-top:80px}.hero-copy{padding-top:45px}}@media(max-width:1240px){main,.site-footer{margin-left:32px;margin-right:32px}.hero{gap:40px}.tool-card{padding:17px 12px}.tool-grid{gap:10px}}@media(max-width:800px){.hero{grid-template-columns:1fr;gap:30px;padding:30px 0 45px}.hero-copy{padding-top:0}.hero-copy h1 br{display:none}.hero-copy h1{max-width:620px;font-size:44px}.hero-copy .intro{max-width:600px;margin-bottom:18px}.hero-note{display:none}.trust-list{display:flex;gap:15px;flex-wrap:wrap;margin:18px 0;font-size:12px}.trust-list li{margin:0}.trust-list li:before{margin-right:5px}.hero-copy .text-link{margin-top:0}.tool-grid{grid-template-columns:1fr 1fr}.guide-section{grid-template-columns:1fr;gap:10px}.how-section ol{gap:22px}.site-header{padding:20px 24px}.site-footer{gap:15px}.cookie-choice{max-width:310px}.workspace{max-width:620px;width:100%;margin:auto}}@media(max-width:520px){main,.site-footer{margin-left:20px;margin-right:20px}.site-header{padding:18px 20px;min-height:78px;flex-wrap:wrap;gap:14px}.brand{font-size:19px}.brand-mark{width:27px;height:27px;font-size:21px;margin-right:7px}.site-header nav{gap:16px;width:100%;justify-content:space-between}.site-header nav a{font-size:12px}.theme-button{width:31px;height:31px;font-size:20px}.hero-copy h1{font-size:39px;letter-spacing:-1.8px}.eyebrow{margin-bottom:16px;font-size:10px}.intro{font-size:16px}.trust-list{gap:7px 15px}.trust-list li:last-child{display:none}.workspace{padding:18px;border-radius:10px}.workspace-heading{gap:5px}.step-label{font-size:9px;letter-spacing:1.1px}.local-label{font-size:10px}.control-grid{gap:10px}.quick-sizes button{padding:5px 9px}.drop-zone{padding:24px 10px 20px}.section-heading{display:block}.search-label{width:100%;margin-top:20px}.tool-grid,.related .tool-grid{grid-template-columns:1fr}.tool-card{padding:17px}.tool-card strong{font-size:14px}.tool-card small{font-size:11px}h2{font-size:27px}.how-section ol{grid-template-columns:1fr;gap:22px}.how-section li{display:grid;grid-template-columns:30px 1fr;gap:0 12px}.how-section li>span{grid-row:1/3;margin:2px 0}.how-section li p{grid-column:2}.guide-section{padding:35px 0}.cookie-choice{bottom:10px;left:10px;right:10px;max-width:none}.article{padding:35px 0}.article h1{font-size:38px}.result-stats{flex-wrap:wrap}.site-footer nav{gap:13px}.breadcrumb{font-size:10px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* Preparation tools and editorial guides */
.extra-file input{display:block;margin:12px 0;max-width:100%;font-size:13px}.extra-preview{display:block;max-width:100%;max-height:320px;object-fit:contain;margin:18px auto;border:1px solid var(--line);background:#fff}#extra-original{font-size:12px;overflow-wrap:anywhere}#extra-settings>label{margin-top:14px}#extra-result{margin-top:25px;border-top:1px solid var(--line);padding-top:24px}#extra-result h2{font-size:22px}#extra-report{font-size:13px}.secondary-button{padding:10px 15px;background:var(--soft);color:var(--ink);border:1px solid var(--line);border-radius:5px}.check-list{padding-left:20px}.check-list li{margin:12px 0}.check-pass{color:var(--accent)}.check-fail{color:var(--error)}.post-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.post-card{display:flex;flex-direction:column;padding:26px;border:1px solid var(--line);border-radius:8px;background:var(--surface);text-decoration:none}.post-card .eyebrow{margin-bottom:12px;font-size:10px}.post-card h3{font-size:22px;line-height:1.3;letter-spacing:-.5px}.post-card p{font-size:14px;color:var(--muted);margin:10px 0 20px}.post-card small{font-size:11px;color:var(--muted);margin-top:auto}.post-card:hover{border-color:var(--accent)}.blog-preview{padding:40px 0 60px;border-top:1px solid var(--line)}.blog-home{padding-top:60px;padding-bottom:70px}.blog-home .intro{max-width:680px}.blog-article h1{font-size:43px;margin-top:14px}.blog-article>.eyebrow{margin-top:25px}.article-meta{font-size:12px}.article-toc{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:20px;border:1px solid var(--line);margin:25px 0}.article-toc a{font-size:13px}.article-callout{background:var(--soft);padding:20px;border-left:3px solid var(--accent)}.article-tools{padding:15px 0 30px}.article-tools .tool-card{margin-top:10px}.blog-article .post-card h3{font-size:18px}.blog-article .post-card{padding:18px}.blog-article h2{scroll-margin-top:24px}@media(max-width:600px){.post-grid{grid-template-columns:1fr}.blog-article h1{font-size:34px;letter-spacing:-1px}.blog-home{padding-top:35px}.post-card{padding:22px}.site-header nav{gap:14px}.site-header nav a{font-size:12px}}