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solid var(--border-strong);background:var(--surface);color:var(--text);font-size:.95rem;font-variant-numeric:tabular-nums}.input:focus-visible{outline:none;box-shadow:var(--ring);border-color:var(--brand)}.converter{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:end}.converter .swap{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--border-strong);background:var(--surface);color:var(--text-2)}.converter .swap:hover{color:var(--brand);border-color:var(--brand)}@media(max-width:560px){.converter{grid-template-columns:1fr}.converter .swap{justify-self:center;transform:rotate(90deg)}}.faq{display:grid;gap:10px;margin-top:16px}.faq details{border:1px solid var(--border);border-radius:var(--r-md);background:var(--surface);box-shadow:var(--shadow-xs);overflow:hidden;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}.faq details[open]{border-color:color-mix(in srgb,var(--brand) 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var(--border)}[data-theme=dark] .cta-band{background:linear-gradient(135deg,#0b1f33,#101a2c)}.cta-band h2{font-size:1.15rem}.cta-band p{color:var(--text-2);font-size:.88rem;margin-top:4px;max-width:62ch}.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}@media(max-width:860px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.related-grid{grid-template-columns:minmax(0,1fr)}}.related-card{display:grid;gap:6px;padding:16px;border:1px solid var(--border);border-radius:var(--r-md);background:var(--surface);color:var(--text);box-shadow:var(--shadow-xs);transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}.related-card:hover{color:var(--text);border-color:var(--brand);box-shadow:var(--shadow-md)}.related-card h3{font-size:.92rem}.related-card p{font-size:.8rem;color:var(--text-3)}.bar-list{display:grid;gap:10px}.bar-item{display:grid;grid-template-columns:130px 1fr auto;gap:12px;align-items:center;font-size:.84rem}.bar-track{height:8px;border-radius:var(--r-pill);background:var(--surface-3);overflow:hidden}.bar-fill{display:block;height:100%;border-radius:inherit;background:var(--grad-brand);width:0;transition:width .5s var(--ease)}.bar-item .val{font-weight:750;font-variant-numeric:tabular-nums}@media(max-width:560px){.bar-item{grid-template-columns:92px 1fr auto;font-size:.78rem}}.result-banner{display:flex;flex-wrap:wrap;align-items:center;gap:14px;min-width:0;padding:14px 16px;border-radius:var(--r-md);border:1px solid var(--border);background:var(--surface-2)}.grade{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:1.35rem;color:#fff;background:var(--text-3);flex:none}.grade[data-grade=A]{background:var(--green)}.grade[data-grade=B]{background:#66c61c}.grade[data-grade=C]{background:var(--amber)}.grade[data-grade=D]{background:#f97316}.grade[data-grade=F]{background:var(--red)}.result-banner>div{flex:1 1 220px;min-width:0}.result-banner .small{margin:0;color:var(--text-2)}.page-layout{display:grid;gap:26px;padding-block:26px 10px}.page-layout .prose{max-width:78ch}.cols-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.cols-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}@media(max-width:860px){.cols-2,.cols-3{grid-template-columns:minmax(0,1fr)}}.info-card{padding:16px 18px}.info-card h3{font-size:.95rem;margin-bottom:6px}.info-card p{font-size:.85rem;color:var(--text-2)}.steps{counter-reset:step;display:grid;gap:12px;padding:0;list-style:none}.steps li{position:relative;padding-left:42px}.steps li:before{counter-increment:step;content:counter(step);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand-strong);font-size:.82rem;font-weight:800}[data-theme=dark] .steps li:before{color:var(--brand)}.error-page{display:grid;place-items:center;text-align:center;min-height:62vh;padding-block:40px;gap:12px}.error-page .code{font-size:clamp(4rem,12vw,7rem);font-weight:800;letter-spacing:-.06em;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}.data-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-pill);font-size:.72rem;font-weight:750;letter-spacing:.01em;background:var(--amber-soft);color:#8a5a00;border:1px solid color-mix(in srgb,var(--amber) 35%,transparent)}[data-theme=dark] .data-badge{color:var(--amber);background:#2b2010}.data-badge--live{background:var(--green-soft);color:#06744b;border-color:color-mix(in srgb,var(--green) 35%,transparent)}[data-theme=dark] .data-badge--live{color:var(--green);background:#0b2a20}.data-badge svg{width:12px;height:12px}.skeleton{color:transparent!important;background:linear-gradient(90deg,var(--surface-3) 25%,var(--surface-2) 37%,var(--surface-3) 63%);background-size:400% 100%;animation:shimmer 1.4s ease infinite;border-radius:6px;-webkit-user-select:none;user-select:none}@keyframes shimmer{0%{background-position:100% 50%}to{background-position:0 50%}}.tool-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.tool-panel>.progress{margin-top:-4px}.tool-result-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:14px}@media(min-width:760px){.tool-result-grid{grid-template-columns:minmax(200px,260px) 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.tool-ico{margin-bottom:2px}.checklist{list-style:none;padding:0;display:grid;gap:8px}.checklist li{display:flex;align-items:flex-start;gap:9px;font-size:.86rem;color:var(--text-2)}.checklist li strong{color:var(--text)}.checklist li[data-ok=false] .check-badge{background:var(--red)}.checklist li[data-ok=true] .check-badge{background:var(--green)}.checklist li[data-ok=unknown] .check-badge{background:var(--border-strong);color:var(--text-3)}.checklist .check-badge{margin-top:2px}.converter-out{padding:16px;border-radius:var(--r-md);background:var(--surface-2);border:1px solid var(--border);text-align:center}.converter-out strong{color:var(--text)}.iterations{border:1px solid var(--border);border-radius:var(--r-md);background:var(--surface-2);padding:0}.iterations>summary{padding:12px 16px;cursor:pointer;font-weight:700;font-size:.86rem;color:var(--text-2);list-style:none}.iterations>summary::-webkit-details-marker{display:none}.iterations>summary:before{content:"\25b8  ";color:var(--text-3)}.iterations[open]>summary:before{content:"\25be  "}.iterations>.table-wrap{margin:0 12px 12px}.grade-scale{position:relative;height:10px;margin-top:4px;border-radius:var(--r-pill);background:linear-gradient(90deg,#12b57a,#a3e635 22%,#fbbf24,#f97316 68%,#ef4444)}.grade-marker{position:absolute;top:50%;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--text);translate:-50% -50%;box-shadow:0 2px 6px #0003;transition:left .5s var(--ease);left:0}.hero--compact{padding-bottom:0}@media(max-width:560px){.related-card{padding:14px}}.test-settings{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 18px;margin:4px auto 2px;max-width:560px}.test-settings .seg-field{margin-bottom:0}.seg-field--inline{display:inline-flex;align-items:center;gap:8px}.seg-field--inline .seg-label{font-size:.68rem;letter-spacing:.04em}.seg-field--inline .seg-btn{font-size:.75rem;padding:5px 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var(--brand-strong);outline-offset:2px}@media(max-width:420px){.seg{width:100%}.seg-btn{flex:1;padding:8px 6px}}.cta-band .btn{max-width:100%;overflow-wrap:anywhere}.prose code,.prose a{overflow-wrap:anywhere}@media(max-width:560px){.cta-band{flex-direction:column;align-items:flex-start}.cta-band .btn{width:100%;justify-content:center}}@media(max-width:560px){.cta-band .btn[href^="mailto:"]{font-size:.82rem;letter-spacing:-.01em;padding-inline:12px}}.dns-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(120px,1fr) auto;gap:12px;align-items:end;margin-bottom:14px}.dns-actions{display:flex;gap:8px;align-items:center}.dns-actions .btn{min-height:44px}[data-dns-results]{margin-top:4px}[data-dns-results] table{font-variant-numeric:tabular-nums}[data-dns-results] caption{caption-side:top;text-align:left;padding:8px 12px 4px}.dns-name,.dns-value{word-break:break-word}.dns-ttl{white-space:nowrap}[data-dns-timing]{margin-top:10px;padding:10px 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