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a{text-underline-offset:3px;text-decoration:underline}.tool-cards{grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:20px}a.tcard{color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:18px;flex-direction:column;gap:8px;padding:26px;text-decoration:none;display:flex;position:relative;overflow:hidden}a.tcard:before{content:"";background:linear-gradient(90deg, var(--accent), var(--accent-2));opacity:.85;height:3px;position:absolute;inset:0 0 auto}a.tcard:hover{border-color:var(--accent);text-decoration:none}a.tcard .icon{background:linear-gradient(135deg, color-mix(in srgb, var(--accent) 22%, var(--surface-2)), color-mix(in srgb, var(--accent-2) 22%, var(--surface-2)));border-radius:14px;width:52px;height:52px;margin-bottom:6px}a.tcard h3{margin:0;font-size:1.15rem}a.tcard p{color:var(--muted);margin:0;font-size:.95rem}a.tcard .more{color:var(--accent);align-items:center;gap:6px;margin-top:auto;padding-top:14px;font-weight:700;display:inline-flex}a.tcard .more:after{content:"→";transition:transform .2s}a.tcard:hover .more:after{transform:translate(4px)}a.tcard:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.tool-chip{font:600 .78rem var(--mono);border:1px solid var(--border);background:var(--surface);color:var(--muted);border-radius:999px;align-items:center;gap:8px;padding:5px 12px;display:inline-flex}.tool-chip:before{content:"";background:var(--ok);border-radius:50%;width:7px;height:7px}.tool-headline{align-items:center;gap:16px;margin:6px 0 14px;display:flex}.tool-headline h1{margin:0}.tool-badge{width:56px;height:56px;color:var(--accent);background:linear-gradient(135deg, color-mix(in srgb, var(--accent) 24%, var(--surface-2)), color-mix(in srgb, var(--accent-2) 24%, var(--surface-2)));border:1px solid var(--border);border-radius:16px;flex:none;place-items:center;display:grid}.page-head .tool-chip{margin-top:4px}.card.tool-checker,.card.tool-inputs{border-top:3px solid var(--accent);border-radius:18px;padding:clamp(18px,3vw,32px);box-shadow:0 18px 50px -28px #00000073}.card.tool-result{border:1px solid color-mix(in srgb, var(--accent) 45%, var(--border));background:linear-gradient(160deg, color-mix(in srgb, var(--accent) 12%, var(--surface)), color-mix(in srgb, var(--accent-2) 10%, var(--surface)));border-radius:18px}.tool-field span{font-size:.95rem}.tool-input,.tool-checker textarea,.tool-inputs input[type=number]{background:var(--bg);border-width:1.5px;border-radius:12px;min-height:48px;transition:border-color .2s,box-shadow .2s}.tool-input:hover,.tool-checker textarea:hover,.tool-inputs input[type=number]:hover{border-color:color-mix(in srgb, var(--accent) 55%, var(--border))}.tool-input:focus-visible,.tool-checker textarea:focus-visible,.tool-inputs input[type=number]:focus-visible{border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb, var(--accent) 25%, transparent);outline:none}.tool-checker textarea[readonly]{background:var(--surface-2)}.tool-actions .btn{min-height:46px}.tool-h{align-items:center;gap:10px;display:flex}.tool-h:before{content:"";background:linear-gradient(var(--accent), var(--accent-2));border-radius:3px;width:4px;height:1.1em}.tool-big{background:linear-gradient(90deg, var(--text), var(--accent));color:#0000;-webkit-background-clip:text;background-clip:text}.tool-result .tool-big{font-size:clamp(1.7rem,3.4vw,2.4rem)}.meter{background:color-mix(in srgb, var(--text) 12%, transparent);border-radius:999px;height:12px;margin:6px 0 14px;position:relative;overflow:hidden}.meter i{border-radius:999px;position:absolute;inset:0 auto 0 0}.meter .hi{background:color-mix(in srgb, var(--accent) 45%, transparent);width:var(--hi,0%);transition:width .35s}.meter .lo{background:linear-gradient(90deg, var(--accent), var(--accent-2));width:var(--lo,0%);transition:width .35s}.meter-legend{font:600 .72rem var(--mono);color:var(--muted);justify-content:space-between;margin:-8px 0 12px;display:flex}.tool-try{flex-wrap:wrap;align-items:center;gap:4px 10px;display:flex}.tool-try .linklike{border:1px solid var(--border);background:var(--surface-2);min-height:34px;color:var(--text);border-radius:999px;padding:6px 14px;font-size:.88rem;font-weight:600;text-decoration:none}.tool-try .linklike:hover{border-color:var(--accent);color:var(--accent);filter:none}.finding{border-radius:12px}.tool-dl>div{background:linear-gradient(160deg, color-mix(in srgb, var(--accent) 8%, var(--surface-2)), var(--surface-2))}.tool-table tbody tr:hover td{background:color-mix(in srgb, var(--accent) 8%, transparent)}.tool-table td:nth-child(3){color:var(--accent);font-weight:600}.card p.tool-big{color:#0000;margin:4px 0 14px;font-size:clamp(1.35rem,2.8vw,1.9rem);line-height:1.3}.card.tool-result p.tool-big{margin:8px 0 6px;font-size:clamp(1.7rem,3.4vw,2.4rem);line-height:1.2}.related{max-width:var(--prose);margin:2.5rem auto 0}.related h2{margin:0 0 1rem;font-size:1.25rem}.related ul{gap:10px;margin:0 0 1rem;padding:0;list-style:none;display:grid}.related li{background:var(--surface);border:1px solid var(--border);border-radius:14px;gap:4px;padding:14px 18px;display:grid}.related li a{color:var(--text);font-weight:600;text-decoration:none}.related li a:hover{color:var(--accent)}.related li span{color:var(--muted,var(--text));font-size:.92rem;line-height:1.45}.related>p{font-size:.95rem}.topic-nav{margin-top:22px}.topic-more-h{font:600 .8rem var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin:0 0 10px}.topic-chips{flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;display:flex}.topic-chips a{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:999px;padding:8px 14px;font-size:.95rem;text-decoration:none;display:inline-block}.topic-chips a:hover{border-color:var(--accent);color:var(--accent)}.page-head p+p{margin-top:12px}.topic-pillar{grid-template-columns:minmax(0,560px)}.topic-links{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:10px;margin:0;padding:0;list-style:none;display:grid}.topic-links li{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);gap:4px;padding:16px 18px;display:grid}.topic-links a{color:var(--text);font-weight:600;text-decoration:none}.topic-links a:hover{color:var(--accent)}.topic-links span{color:var(--muted);font-size:.92rem}.topic-part{font-size:.95rem}.gloss-jump{flex-wrap:wrap;gap:6px;margin-bottom:24px;display:flex}.gloss-jump a{border:1px solid var(--border);background:var(--surface);min-width:36px;height:36px;color:var(--text);font:600 .9rem var(--mono);border-radius:10px;place-items:center;text-decoration:none;display:grid}.gloss-jump a:hover{border-color:var(--accent);color:var(--accent)}.gloss{gap:12px;max-width:860px;margin:0 0 28px;display:grid}.gloss-letter{font:700 1.3rem var(--mono);color:var(--accent);margin:8px 0 12px;scroll-margin-top:90px}.gloss-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px;scroll-margin-top:90px;position:relative}.gloss dt{font-family:Outfit,sans-serif;font-size:1.1rem;font-weight:700}.gloss dd{color:color-mix(in srgb, var(--text) 88%, var(--muted));margin:6px 0 0;line-height:1.55}.gloss dd a{white-space:nowrap}.tool-guide{padding-top:8px}.tool-guide .prose h2:first-child{margin-top:0}.tool-read{font-weight:600}.tool-more{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:10px;margin:0;padding:0;list-style:none;display:grid}.tool-more a{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);align-items:center;gap:12px;padding:14px 16px;font-weight:600;text-decoration:none;display:flex}.tool-more a:hover{border-color:var(--accent);color:var(--accent)}.tool-more .icon{background:color-mix(in srgb, var(--accent) 14%, transparent);width:36px;height:36px;color:var(--accent);border-radius:10px;flex:none;place-items:center;display:grid}.dgm-link{margin-top:8px;font-size:.95rem;font-weight:600;display:inline-block}.contact-links{font-size:1rem}.video-guides{margin-top:40px}.video-guides h2{margin:0 0 14px;font-size:1.35rem}.post-faq{margin-top:2.5rem}.author-box{max-width:var(--prose);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);align-items:flex-start;gap:16px;margin:2.5rem auto 0;padding:18px 20px;display:flex}.author-box img{border-radius:50%;flex:none}.author-box p{color:color-mix(in srgb, var(--text) 85%, var(--muted));margin:0 0 6px;font-size:.95rem}.author-box .author-name{color:var(--text);font-weight:600}.author-box a{text-underline-offset:3px;text-decoration:underline}@media (width<=480px){.author-box{flex-direction:column}}