:root{--ink: #111827;--muted: #5b6472;--soft: #f4f7f8;--line: #dbe3e6;--teal: #0f766e;--teal-dark: #0b4f4a;--coral: #d85a3a;--amber: #f4b740;--white: #ffffff;--shadow: 0 18px 60px rgba(17, 24, 39, .12);color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--white);line-height:1.65;letter-spacing:0}a{color:inherit}img{display:block;max-width:100%}button,input{font:inherit}.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;min-height:72px;padding:0 5vw;background:#ffffffeb;border-bottom:1px solid 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0;color:var(--muted);font-size:1.08rem}.tool-intro{position:sticky;top:104px}.tool-intro h2{max-width:620px;margin:0;font-size:clamp(2rem,4vw,4.2rem);line-height:1;letter-spacing:0}.tool-intro p{max-width:540px;color:var(--muted);font-size:1.05rem}.converter-shell{display:grid;gap:18px;padding:clamp(22px,3vw,32px);border:1px solid var(--line);border-radius:8px;background:var(--white);box-shadow:0 24px 60px #11182714}.converter-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.converter-head svg{width:34px;height:34px;color:var(--teal);flex:0 0 auto}.tool-label{margin:0 0 6px;color:var(--coral);font-size:.85rem;font-weight:760}.converter-head h3{margin:0;font-size:clamp(1.35rem,2vw,2rem);line-height:1.15}.converter-head p:not(.tool-label){margin:8px 0 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p{min-height:74px;margin:10px 0 16px;color:var(--muted);font-size:.94rem;line-height:1.48}.directory-group ul{display:grid;gap:9px;margin:0;padding:0;list-style:none}.directory-group a{display:inline-flex;color:var(--teal-dark);font-size:.94rem;font-weight:720;line-height:1.3;text-decoration:none}.directory-group a:hover{text-decoration:underline;text-underline-offset:3px}.seo-article{max-width:980px;margin:0 auto;padding:clamp(50px,7vw,98px) 5vw}.article-header{margin-bottom:clamp(28px,5vw,64px)}.article-header>p{margin:0 0 10px;color:var(--coral);font-size:.9rem;font-weight:760}.article-header h2{max-width:840px;margin:0;font-size:clamp(2.1rem,4vw,4.8rem);line-height:.98;letter-spacing:0}.article-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:clamp(24px,4vw,42px)}.article-summary div{display:grid;gap:8px;padding:18px;border:1px solid var(--line);border-radius:8px;background:#fbfdfd}.article-summary 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p{max-width:620px;margin:0}.footer-nav{display:grid;grid-template-columns:repeat(4,minmax(120px,1fr));gap:20px}.footer-column{display:grid;align-content:start;gap:8px}.footer-column h2{margin:0 0 4px;color:var(--white);font-size:.86rem;letter-spacing:0}.site-footer a{color:#dce7e5;text-decoration:none;line-height:1.35}.site-footer a:hover{color:var(--white)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@media(max-width:920px){.site-header{align-items:flex-start;flex-direction:column;gap:12px;padding-top:14px;padding-bottom:14px}.main-nav{width:100%;overflow-x:auto;padding-bottom:2px}.hero,.tool-band,.directory-head,.article-summary,.footer-grid{grid-template-columns:1fr}.hero{min-height:auto}.hero-visual{min-height:0}.tool-intro{position:static}.related-links{grid-template-columns:1fr}.directory-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.directory-group p{min-height:0}.footer-grid,.footer-nav{justify-content:flex-start}.footer-nav{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.brand{align-items:flex-start}.brand span:last-child{line-height:1.15}.hero,.tool-band,.keyword-directory,.seo-article,.simple-page{padding-left:20px;padding-right:20px}.hero h1{font-size:clamp(2.45rem,14vw,4.1rem)}.hero-actions,.button{width:100%}.button{min-height:52px}.converter-shell{padding:18px}.converter-head{display:grid}.segmented{grid-template-columns:1fr}.article-section{padding:34px 0}.directory-grid{grid-template-columns:1fr}.article-summary div{padding:16px}.footer-nav{grid-template-columns:1fr}}