@import"https://fonts.googleapis.com/css2?family=Syne:wght@700;800&family=DM+Sans:wght@400;500&display=swap";*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:DM Sans,system-ui,-apple-system,sans-serif;background:#fafaf8;color:#1a1a18;line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}#root{display:flex;flex-direction:column;min-height:100vh}main{flex:1}a{color:inherit;text-decoration:none}input::-webkit-outer-spin-button,input::-webkit-inner-spin-button{-webkit-appearance:none}input[type=number]{-moz-appearance:textfield}:root{--max: 1400px;--nav: 72px;--r: 12px;--rs: 8px;--border: 1.5px solid #e4e4e0;--shadow: 0 1px 3px rgba(0, 0, 0, .07), 0 4px 12px rgba(0, 0, 0, .04);--coral: #d85a30;--teal: #1d9e75}.navbar{position:sticky;top:0;z-index:100;background:#fafaf8f2;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:var(--border)}.nav-inner{max-width:var(--max);width:100%;margin:0 auto;padding:0 32px;min-height:var(--nav);display:flex;align-items:center;gap:16px}.nav-logo{font-family:Syne,sans-serif;font-size:20px;font-weight:800;letter-spacing:-.5px;flex-shrink:0;color:#1a1a18}.nav-logo span{color:var(--coral)}.nav-links{display:flex;align-items:center;gap:10px;flex:1;flex-wrap:nowrap;overflow:hidden}.nav-link{font-size:13px;font-weight:500;padding:7px 12px;border-radius:100px;white-space:nowrap;color:#666;transition:all .12s}.nav-link:hover,.nav-link.active{background:#f0f0ec;color:#1a1a18}.nav-burger{display:none;margin-left:auto;background:none;border:none;font-size:20px;cursor:pointer;padding:8px;color:#1a1a18;line-height:1}.nav-mobile{background:#fafaf8;border-top:var(--border);padding:6px 0}.nav-mob-link{display:block;padding:12px 20px;font-size:15px;font-weight:500;border-bottom:1px solid #f0f0ec;color:#1a1a18}.nav-mob-link:hover{background:#f5f5f2}.nav-mob-divider{height:1px;background:#e4e4e0;margin:4px 0}.page-wrap{max-width:var(--max);margin:0 auto;padding:24px 20px 60px;width:100%}.ad-row{display:flex;justify-content:center;margin:0}.ad-placeholder{background:#f5f5f5;border:1.5px dashed #ccc;border-radius:var(--rs);display:flex;align-items:center;justify-content:center;font-size:11px;color:#bbb;letter-spacing:.5px;text-transform:uppercase;margin:0 auto}.hero{text-align:center;padding:52px 0 36px}.hero h1{font-family:Syne,sans-serif;font-size:clamp(28px,5vw,50px);font-weight:800;line-height:1.1;letter-spacing:-1.5px;margin-bottom:16px;color:#1a1a18}.hero-accent{color:var(--coral)}.hero p{font-size:17px;color:#666;max-width:520px;margin:0 auto;line-height:1.65}.section-h{font-family:Syne,sans-serif;font-size:22px;font-weight:700;margin-bottom:16px;color:#1a1a18}.conv-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin-bottom:8px}.conv-card{background:var(--cl, #f5f5f2);border:1.5px solid var(--ca, #e0e0dc);border-radius:var(--r);padding:22px 18px;cursor:pointer;transition:transform .12s,box-shadow .12s;display:block}.conv-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.cc-icon{font-size:30px;margin-bottom:10px}.cc-name{font-weight:500;font-size:15px;margin-bottom:4px;color:#1a1a18}.cc-units{font-size:12px;color:#888;margin-bottom:12px}.cc-arrow{font-size:16px;color:var(--ca, #888);font-weight:700}.feat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:12px;margin-bottom:8px}.feat-card{background:#fff;border:var(--border);border-radius:var(--r);padding:20px}.feat-icon{font-size:24px;display:block;margin-bottom:10px}.feat-title{font-weight:500;font-size:15px;margin-bottom:6px;color:#1a1a18}.feat-desc{font-size:13px;color:#666;line-height:1.5}.home-about{margin-top:8px}.home-about p{font-size:15px;color:#555;line-height:1.75;margin-bottom:12px}.widget{background:#fff;border:1.5px solid var(--accent, #e0e0dc);border-radius:16px;padding:28px;box-shadow:var(--shadow);margin-bottom:8px}.widget-header{display:flex;gap:16px;align-items:flex-start;margin-bottom:24px}.widget-icon{font-size:38px;flex-shrink:0;line-height:1}.widget-title{font-family:Syne,sans-serif;font-size:24px;font-weight:800;letter-spacing:-.5px;margin-bottom:4px;color:#1a1a18}.widget-desc{font-size:14px;color:#666}.widget-body{display:flex;flex-direction:column;gap:12px}.input-label{display:block;font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.8px;color:#999;margin-bottom:6px}.input-row{display:flex;gap:10px}.val-input{flex:1;min-width:0;padding:13px 16px;border:1.5px solid #e4e4e0;border-radius:var(--rs);font-size:18px;font-family:DM Sans,sans-serif;font-weight:500;background:#fafaf8;color:#1a1a18;transition:border-color .12s,background .12s;width:100%}.val-input:focus{outline:none;border-color:var(--accent, #999);background:#fff}.val-input.result{background:var(--accent-light, #f5f5f2);color:#1a1a18;cursor:default}.unit-sel{padding:13px 10px;border:1.5px solid #e4e4e0;border-radius:var(--rs);font-size:13.5px;font-family:DM Sans,sans-serif;background:#fff;color:#1a1a18;cursor:pointer;min-width:120px;max-width:170px}.unit-sel:focus{outline:none;border-color:var(--accent, #999)}.swap-row{display:flex;justify-content:center;margin:-2px 0}.swap-btn{width:40px;height:40px;border-radius:50%;border:1.5px solid #e4e4e0;background:#fff;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .12s;color:#1a1a18}.swap-btn:hover{background:var(--accent, #1a1a18);color:#fff;border-color:var(--accent, #1a1a18)}.result-bar{margin-top:16px;background:var(--accent-light, #f5f5f2);border-radius:var(--rs);padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.result-formula{font-size:15px;font-weight:500;color:#1a1a18}.copy-btn{font-size:12px;padding:5px 14px;border-radius:100px;border:1.5px solid rgba(0,0,0,.12);background:#fff;cursor:pointer;font-family:DM Sans,sans-serif;font-weight:500;transition:all .12s;white-space:nowrap;color:#1a1a18}.copy-btn:hover{background:var(--accent, #1a1a18);color:#fff;border-color:var(--accent, #1a1a18)}.conv-note{font-size:12px;color:#888;margin-top:12px;padding:10px 14px;background:#fffbe6;border-radius:var(--rs);border-left:3px solid #ba7517;line-height:1.5}.formula-box{background:#fff;border:var(--border);border-radius:var(--r);padding:20px 24px;margin-top:8px}.formula-text{font-family:monospace;font-size:16px;color:#1a1a18;line-height:1.8}.section-title{font-family:Syne,sans-serif;font-size:20px;font-weight:700;margin-bottom:14px;margin-top:36px;letter-spacing:-.3px;color:#1a1a18}.about-section p{font-size:15px;color:#444;line-height:1.75;margin-bottom:12px;text-align:justify}.faq-section{margin-top:8px}.faq-list{display:flex;flex-direction:column;gap:8px}.faq-item{border:var(--border);border-radius:var(--rs);overflow:hidden;background:#fff}.faq-item.open{border-color:#ccc}.faq-q{width:100%;background:none;border:none;padding:16px 18px;text-align:left;font-size:15px;font-weight:500;font-family:DM Sans,sans-serif;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;color:#1a1a18;line-height:1.4}.faq-q:hover{background:#fafaf8}.faq-chevron{color:#999;font-size:11px;flex-shrink:0}.faq-a{padding:4px 18px 18px;font-size:14px;color:#555;line-height:1.7;border-top:1px solid #f0f0ec}.faq-a p{margin:0}.table-section{margin-top:8px}.table-wrap{overflow-x:auto;border-radius:var(--rs);border:var(--border)}.conv-table{width:100%;border-collapse:collapse;font-size:14px}.conv-table th{background:#f5f5f2;font-weight:500;padding:12px 16px;text-align:left;border-bottom:var(--border);white-space:nowrap;color:#1a1a18}.conv-table td{padding:11px 16px;border-bottom:1px solid #f0f0ec;color:#444}.conv-table tr:last-child td{border-bottom:none}.conv-table tr:hover td{background:#fafaf8}.related-section{margin-top:8px;margin-bottom:16px}.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px}.related-card{display:flex;align-items:center;gap:8px;padding:12px 14px;border:var(--border);border-radius:var(--rs);background:#fff;font-size:13px;font-weight:500;color:#1a1a18;transition:all .12s}.related-card:hover{border-color:#aaa;background:#fafaf8;transform:translateY(-1px)}.rel-icon{font-size:18px;flex-shrink:0}.rel-name{line-height:1.3}.static-page{max-width:700px;margin:0 auto;padding:40px 0 80px}.static-page h1{font-family:Syne,sans-serif;font-size:34px;font-weight:800;margin-bottom:8px;letter-spacing:-.5px;color:#1a1a18}.page-lead{font-size:17px;color:#888;margin-bottom:28px!important}.updated{font-size:13px;color:#999;margin-bottom:28px;display:block}.static-page h2{font-family:Syne,sans-serif;font-size:18px;font-weight:700;margin:32px 0 8px;color:#1a1a18}.static-page p{font-size:15px;color:#555;line-height:1.75;margin-bottom:12px}.static-page ul{padding-left:22px;margin-bottom:16px}.static-page li{font-size:15px;color:#555;line-height:1.75;margin-bottom:6px}.static-page a{color:var(--coral);text-decoration:underline;text-underline-offset:2px}.static-page code{background:#f0f0ec;padding:2px 6px;border-radius:4px;font-size:13px;font-family:monospace;color:#444}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px 0}.contact-card{background:#fff;border:var(--border);border-radius:var(--r);padding:20px}.contact-card h3{font-size:15px;font-weight:500;margin-bottom:6px;color:#1a1a18}.contact-card p{font-size:13px;color:#888;margin-bottom:8px!important}.contact-card a{color:var(--coral);font-size:14px;font-weight:500}.contact-form{background:#fff;border:var(--border);border-radius:var(--r);padding:28px;margin:28px 0 16px}.contact-form h2{font-family:Syne,sans-serif;font-size:18px;font-weight:700;margin-bottom:20px;margin-top:0}.form-group{margin-bottom:18px}.form-group label{display:block;font-size:13px;font-weight:500;margin-bottom:6px;color:#444}.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 14px;border:1.5px solid #e4e4e0;border-radius:var(--rs);font-size:15px;font-family:DM Sans,sans-serif;background:#fafaf8;color:#1a1a18;transition:border-color .12s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--coral);background:#fff}.form-group textarea{resize:vertical;min-height:120px;line-height:1.6}.submit-btn{width:100%;padding:14px;background:#1a1a18;color:#fff;border:none;border-radius:100px;font-size:15px;font-weight:500;font-family:DM Sans,sans-serif;cursor:pointer;transition:opacity .12s}.submit-btn:hover{opacity:.85}.submit-btn:disabled{opacity:.5;cursor:not-allowed}.form-note{font-size:13px;color:#999;margin-top:10px;text-align:center}.form-error{font-size:13px;color:#c0392b;margin-bottom:12px}.form-success{background:#e1f5ee;border:1.5px solid #5dcaa5;border-radius:var(--rs);padding:20px;text-align:center;font-size:15px;color:#085041}.form-hint{font-size:13px;color:#999;line-height:1.6}.not-found{text-align:center;padding:80px 20px 60px;max-width:600px;margin:0 auto}.nf-icon{font-size:72px;display:block;margin-bottom:20px}.not-found h1{font-family:Syne,sans-serif;font-size:36px;font-weight:800;margin-bottom:12px;color:#1a1a18}.not-found p{font-size:16px;color:#666;margin-bottom:24px}.btn-primary{display:inline-block;padding:13px 30px;background:#1a1a18;color:#fff;border-radius:100px;font-weight:500;font-size:15px;transition:opacity .12s}.btn-primary:hover{opacity:.85}.nf-converters{margin-top:48px}.nf-converters p{font-size:14px;color:#999;margin-bottom:16px}.nf-grid{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}.nf-chip{padding:8px 16px;border-radius:100px;border:var(--border);font-size:13px;font-weight:500;background:#fff;color:#1a1a18;transition:all .12s}.nf-chip:hover{background:#f0f0ec;border-color:#aaa}.footer{background:#1a1a18;color:#ccc;margin-top:auto}.footer-inner{max-width:var(--max);margin:0 auto;padding:48px 20px 32px;display:grid;grid-template-columns:1fr 2fr;gap:48px}.footer-logo{font-family:Syne,sans-serif;font-size:22px;font-weight:800;color:#fff;margin-bottom:10px}.footer-logo span{color:var(--coral)}.footer-brand p{font-size:13px;color:#888;line-height:1.65}.footer-links{display:grid;grid-template-columns:2fr 1fr;gap:32px}.footer-col h4{font-size:12px;font-weight:500;color:#fff;margin-bottom:14px;text-transform:uppercase;letter-spacing:.8px}.footer-col a{display:block;font-size:13px;color:#888;margin-bottom:9px;transition:color .12s}.footer-col a:hover{color:#fff}.footer-bottom{border-top:1px solid #2d2d2b;max-width:var(--max);margin:0 auto;padding:18px 20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}.footer-bottom p{font-size:12px;color:#666}@media (max-width: 640px){.nav-links{display:none}.nav-burger{display:block}.hero{padding:32px 0 24px}.widget{padding:20px 16px}.input-row{flex-direction:column}.unit-sel{max-width:100%;min-width:100%}.widget-title{font-size:20px}.conv-grid,.feat-grid,.related-grid{grid-template-columns:repeat(2,1fr)}.contact-grid{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr;gap:24px}.footer-links{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column;align-items:flex-start}.static-page{padding:28px 0 60px}.static-page h1{font-size:28px}}@media (max-width: 400px){.conv-grid,.feat-grid{grid-template-columns:1fr}}.rate-badge{font-size:11px;font-weight:500;padding:5px 10px;border-radius:100px;white-space:nowrap;flex-shrink:0;align-self:flex-start}.rate-info-row{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-top:10px;padding:10px 14px;background:#f9f9f7;border-radius:var(--rs);border:var(--border);font-size:13px;color:#666;font-weight:500}