/* bundled source: mail-dns-tools.css */
/* Mail and domain tools (whois, mx-lookup, spf/dmarc generators, smtp-error-codes). Uses the shared --ink/--muted/--line/--paper/--white/--blue tokens. */
.md-page{max-width:1240px}
.md-heading h1{font-size:clamp(28px,4vw,42px);line-height:1.25;margin:8px 0 12px}
.md-workbench{border:1px solid var(--line);border-radius:18px;background:var(--white);box-shadow:0 14px 42px rgba(23,42,71,.06);padding:18px;display:grid;gap:14px;min-width:0}
.md-form{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end;min-width:0}
.md-form.md-gen{display:grid;gap:14px}
.md-field{display:grid;gap:6px;flex:1 1 280px;min-width:0;font-weight:600}
.md-field small{font-weight:400}
.md-field input,.md-field select,.md-field textarea,.md-search{min-height:46px;border:1px solid var(--line);border-radius:12px;padding:8px 12px;font:inherit;font-size:16px;font-weight:400;color:var(--ink);background:var(--white);min-width:0;width:100%;box-sizing:border-box}
.md-field textarea{min-height:0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px}
.md-area{flex-basis:100%}
.md-form button,.md-workbench button{min-height:44px;padding:0 18px;border-radius:12px;font-size:15px;font-weight:600;cursor:pointer}
.md-workbench button[disabled]{opacity:.6;cursor:progress}
.md-row{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.md-examples{margin:0;font-size:13.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.md-workbench .md-chip{border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:999px;min-height:32px;padding:0 12px;font-size:13px;font-weight:500}
.md-muted{color:var(--muted);font-size:13.5px;margin:0}
.md-error{margin:0;padding:9px 12px;border-radius:10px;background:#fdecec;color:#8a1c1c}
.md-status{margin:0;padding:9px 12px;border-radius:10px;background:var(--paper);font-size:14px}
.md-result{display:grid;gap:14px;min-width:0}
.md-result-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px}
.md-result-head h2{margin:0;font-size:clamp(20px,3vw,28px);overflow-wrap:anywhere}
.md-actions{display:flex;flex-wrap:wrap;gap:8px;margin:0}
.md-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px}
.md-card{border:1px solid var(--line);border-radius:14px;padding:12px 14px;background:var(--paper);display:grid;gap:4px;min-width:0}
.md-card strong{font-size:18px;overflow-wrap:anywhere}.md-card small{color:var(--muted)}
.md-card-label{font-size:13px;color:var(--muted)}
.md-card.is-warn{border-color:#f1d48a;background:#fffaeb}.md-card.is-bad{border-color:#f3b4ae;background:#fff3f2}
.md-notes{list-style:none;margin:0;padding:0;display:grid;gap:6px;font-size:14px}
.md-notes li{padding:8px 12px;border-radius:10px;background:var(--paper)}
.md-notes li.is-warn{background:#fffaeb;color:#7a5200}.md-notes li.is-bad{background:#fff3f2;color:#8a1c1c}.md-notes li.is-ok{background:#f0fbf4;color:#14532d}
.md-block h3{margin:0 0 8px;font-size:17px}
.md-status-list{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.md-status-list li{display:grid;grid-template-columns:minmax(0,max-content) 1fr;gap:4px 12px;padding:8px 12px;border:1px solid var(--line);border-radius:10px;align-items:baseline}
.md-status-list li.is-lock{border-color:#bcd3f5}.md-status-list li.is-bad{border-color:#f3b4ae;background:#fff3f2}
.md-status-list code{font-weight:600;overflow-wrap:anywhere}
.md-facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:10px;margin:0}
.md-facts div{border-top:1px solid var(--line);padding-top:8px;min-width:0}
.md-facts dt{font-size:13px;color:var(--muted)}.md-facts dd{margin:4px 0 0;overflow-wrap:anywhere}
.md-plain{list-style:none;margin:0;padding:0}
.md-raw-box summary{cursor:pointer;font-weight:600}
.md-raw{max-height:360px;overflow:auto;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:12px;font-size:12.5px;white-space:pre-wrap;overflow-wrap:anywhere}
.md-callout{border:1px solid var(--line);border-radius:14px;padding:12px 16px;background:var(--paper)}
.md-callout h2,.md-callout h3{margin:0 0 6px}.md-callout p{margin:4px 0}
.md-callout.is-warn{border-color:#f1d48a;background:#fffaeb}.md-callout.is-bad{border-color:#f3b4ae;background:#fff3f2}
.md-callout pre{white-space:pre-wrap;overflow-wrap:anywhere;margin:8px 0 0;font-size:13px}
.md-summary{margin:0;font-size:16px;font-weight:600}
.md-provider{margin:0}
.md-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%}
.md-table{width:100%;border-collapse:collapse;font-size:14px}
.md-table th,.md-table td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.md-table code{overflow-wrap:anywhere}
.md-table tr.has-issue td{background:#fffaeb}
.md-issue{color:#8a1c1c;font-size:13px;margin-top:4px}
.md-mini{text-decoration:none;font-size:12px}
.md-next{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding-top:6px;border-top:1px solid var(--line)}
.md-next .button{min-height:40px;display:inline-flex;align-items:center}
.md-services,.md-own,.md-policy,.md-stages,.md-fo{border:1px solid var(--line);border-radius:14px;padding:12px 14px;margin:0;min-width:0}
.md-services legend,.md-own legend,.md-policy legend,.md-stages legend,.md-fo legend{font-weight:700;padding:0 6px}
.md-service-group h3{font-size:14px;margin:12px 0 6px;color:var(--muted)}
.md-service-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px}
.md-service{display:grid;grid-template-columns:auto 1fr;gap:2px 8px;align-items:center;border:1px solid var(--line);border-radius:10px;padding:8px 10px;cursor:pointer;min-height:44px}
.md-service code{grid-column:2;font-size:12px;color:var(--muted);overflow-wrap:anywhere}
.md-service:has(input:checked){border-color:var(--blue);background:var(--paper)}
.md-service[hidden]{display:none}
.md-check,.md-stage{display:flex;gap:8px;align-items:flex-start;padding:6px 0;min-height:32px}
.md-check input,.md-stage input,.md-service input{width:18px;height:18px;margin-top:2px}
.md-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}
.md-advanced summary{cursor:pointer;font-weight:600;padding:6px 0}
.md-workbench .md-link{background:none;border:0;padding:0;min-height:0;color:var(--blue);text-decoration:underline;font-weight:500}
.md-record{border:1px solid var(--blue);border-radius:14px;padding:12px 16px;display:grid;gap:10px;min-width:0}
.md-record h2{margin:0;font-size:18px}
.md-record-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,max-content));gap:10px 20px;margin:0}
.md-record-grid dt{font-size:13px;color:var(--muted)}.md-record-grid dd{margin:2px 0 0}
.md-record-value{grid-column:1/-1}
.md-record-value code{display:block;padding:10px 12px;background:var(--paper);border-radius:10px;font-size:14px;overflow-wrap:anywhere;white-space:pre-wrap}
.md-lookups p{margin:4px 0}.md-lookups meter{width:100%;max-width:360px;height:14px}
#spf-count.is-over{color:#b42318}#spf-count.is-near{color:#9a6700}#spf-count.is-ok{color:#15803d}
.md-tree{font-size:13px;border:1px solid var(--line);border-radius:10px;padding:8px 12px;max-height:360px;overflow:auto}
.md-tree ul{margin:2px 0;padding-left:18px}.md-tree li.counts>code{font-weight:700}
.md-tree h3{margin:0 0 6px;font-size:15px}
.md-code{border:1px solid var(--line);border-radius:14px;padding:12px 16px;display:grid;gap:6px}
.md-code h3{margin:0;font-size:18px}.md-code h3 span{font-size:13px;color:var(--muted);font-weight:500}
.md-code.is-permanent{border-left:5px solid #d92d20}.md-code.is-temporary{border-left:5px solid #e0a100}.md-code.is-success{border-left:5px solid #16a34a}
.md-code-meaning{margin:0;font-size:16px;font-weight:600}.md-kind{margin:0;font-size:13.5px;color:var(--muted)}
.md-filter{max-width:420px;margin-bottom:10px}
.md-flow{margin:22px 0 4px;border:1px solid var(--line);border-radius:16px;padding:12px 16px;background:var(--paper)}
.md-flow-title{margin:0 0 8px}.md-flow-title span{color:var(--muted);font-size:14px}
.md-flow ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.md-flow a{display:inline-flex;align-items:center;min-height:36px;padding:0 12px;border:1px solid var(--line);border-radius:999px;background:var(--white);text-decoration:none;color:var(--ink);font-size:14px}
.md-flow li.is-current a{border-color:var(--blue);color:var(--blue);font-weight:700}
@media (max-width:640px){.md-workbench{padding:14px;border-radius:14px}.md-form button{width:100%}.md-status-list li{grid-template-columns:1fr}}

/* bundled source: categories.css */
.category-page{padding-top:14px;overflow-wrap:anywhere}.category-page .breadcrumbs{margin:0 0 10px;padding:10px 0}.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:7px;list-style:none;margin:0;padding:0}.breadcrumbs li{display:flex;align-items:center;gap:7px;overflow-wrap:anywhere;min-width:0}.cat-hero{display:grid;grid-template-columns:minmax(0,1fr) 240px;align-items:center;gap:36px;padding:8px 0 22px}.cat-eyebrow{color:var(--blue);font-size:15px;font-weight:700;margin:0 0 8px;letter-spacing:.025em}.cat-hero h1 span{font-size:.6em;color:var(--muted)}.cat-hero h1{font-size:clamp(32px,3.6vw,44px);line-height:1.2;margin:0}.cat-intro{font-size:17px;line-height:1.75;max-width:48em;margin:12px 0;color:var(--muted)}.cat-hero-actions{display:flex;align-items:center;gap:14px 22px;flex-wrap:wrap}.cat-start,.cat-see-all{min-height:46px;display:inline-flex;align-items:center;padding:11px 17px;font-size:16px;font-weight:650;border-radius:10px;text-decoration:none}.cat-start{background:var(--blue);color:#fff}.cat-see-all{color:var(--ink);padding-left:0}.cat-count{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:18px}.cat-count strong{display:block;font-size:44px;line-height:1.1;font-variant-numeric:tabular-nums;color:var(--ink)}.cat-count p{font-size:14px;line-height:1.6;margin:0;color:var(--muted)}
.category-browse{margin:12px 0 34px;padding:20px;border:1px solid var(--line);border-radius:16px;background:var(--white)}.category-browse>p,.category-browse>h2{font-size:16px;line-height:1.5;font-weight:700;margin:0 0 12px;color:var(--ink)}.category-browse-links{display:flex;flex-wrap:wrap;gap:9px}.category-browse-links>a{display:inline-flex;align-items:center;justify-content:space-between;gap:14px;min-height:44px;padding:9px 13px;border:1px solid var(--line);border-radius:9px;font-size:15px;color:var(--ink);text-decoration:none;background:var(--paper)}.category-browse-links>a>span{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}.category-browse-links>a:hover{border-color:var(--blue)}.category-browse-links>a[aria-current=page]{border-color:var(--blue);background:var(--blue-soft);font-weight:700;color:var(--blue)}
.cat-scene{margin:26px 0 36px;scroll-margin-top:24px}.cat-scene-heading{margin-bottom:16px}.cat-scene h2,.cat-guide h2,.cat-faq>h2,.category-related>h2{font-size:clamp(21px,2.3vw,27px);line-height:1.45;margin:0 0 9px;color:var(--ink)}.cat-scene-heading>p{font-size:16px;line-height:1.8;margin:0;color:var(--muted);max-width:75ch}.cat-tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.cat-tool-card{min-width:0;display:flex;flex-direction:column;padding:24px;border:1px solid var(--line);border-radius:16px;background:var(--white)}.cat-tool-badge{color:var(--muted);font-size:13px;line-height:1.6}.cat-tool-card h3{font-size:19px;line-height:1.5;margin:17px 0 11px;color:var(--ink)}.cat-tool-card>p{font-size:16px;line-height:1.8;color:var(--muted);margin:0 0 17px}.cat-tool-action{margin-top:auto;display:flex;gap:10px;align-items:center;justify-content:space-between;min-height:44px;font-size:16px;font-weight:700;line-height:1.6;color:var(--blue);text-decoration:none;border-top:1px solid var(--line);padding:14px 0 0}.cat-tool-action:hover{text-decoration:underline;text-underline-offset:4px}.cat-capabilities{display:flex;flex-wrap:wrap;gap:5px 7px;margin:0 0 18px}.cat-capabilities span{font-size:12px;line-height:1.6;color:var(--muted);padding:4px 7px;border-radius:5px;background:var(--paper)}
.cat-guide{margin:46px 0;background:var(--white);border:1px solid var(--line);border-radius:18px;padding:28px}.cat-section-label{color:var(--blue);font-size:15px;font-weight:750;margin-bottom:22px}.cat-guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}.cat-guide p,.cat-faq p{font-size:16px;line-height:1.9;color:var(--muted);margin:12px 0 0}.cat-faq{margin:42px 0 10px;max-width:90ch}.cat-faq>h2{margin-bottom:17px}.cat-faq details{border-top:1px solid var(--line);padding:9px 0}.cat-faq details:last-child{border-bottom:1px solid var(--line)}.cat-faq summary{min-height:44px;padding:10px 2px;cursor:pointer;font-size:17px;line-height:1.6;font-weight:650;color:var(--ink)}.cat-faq p{margin:2px 0 14px}
.category-return{margin:20px 0 26px;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:12px;padding:16px 20px;background:var(--white);color:var(--ink);font-size:16px;line-height:1.8;overflow-wrap:anywhere}.category-return strong{display:block;font-size:17px}.category-return p{margin:5px 0;color:var(--muted)}.category-return a{display:inline-flex;align-items:center;min-height:44px;color:var(--blue);font-weight:650}.category-related{margin:32px 0;padding:24px;border:1px solid var(--line);border-radius:16px;background:var(--white);overflow-wrap:anywhere}.guide-layout .category-related{padding:16px}.guide-layout .category-related .category-related-grid{grid-template-columns:1fr}.category-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.category-related-link{display:block;min-width:0;min-height:44px;border:1px solid var(--line);border-radius:11px;padding:18px;color:var(--ink);background:var(--paper);text-decoration:none}.category-related-link:hover{border-color:var(--blue)}.category-related-link h3{font-size:17px;line-height:1.55;margin:0 0 8px;color:var(--blue)}.category-related-link p{font-size:15px;line-height:1.75;margin:0;color:var(--muted)}.category-related-all{display:inline-flex;align-items:center;min-height:44px;font-size:16px;font-weight:650;color:var(--blue);margin-top:12px}.cat-procurement .category-related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.category-page a:focus-visible,.category-page summary:focus-visible,.category-return a:focus-visible,.category-related a:focus-visible,.category-browse a:focus-visible{outline:3px solid #547dea;outline-offset:4px}
html[data-xunl-theme=dark] :is(.cat-eyebrow,.cat-section-label,.cat-tool-action,.category-return a,.category-related-link h3,.category-related-all,.cat-faq details[open] summary,.category-browse-links>a[aria-current=page]){color:#adc5ff}html[data-xunl-theme=dark] .cat-start{background:#355ed6;color:#fff}
@media(max-width:1000px){.cat-hero{grid-template-columns:minmax(0,1fr) 210px;gap:28px}.cat-tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.category-related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.cat-tool-card{padding:21px}}
@media(max-width:640px){.category-page{padding-top:17px}.cat-hero{grid-template-columns:1fr;gap:22px;padding:14px 0 25px}.cat-hero h1 span{display:block;font-size:.6em;color:var(--muted)}.cat-hero h1{font-size:36px;letter-spacing:-.025em}.cat-intro{font-size:17px}.cat-count{padding:19px;display:grid;grid-template-columns:auto 1fr;gap:4px 16px;align-items:center}.cat-count strong{font-size:40px;grid-row:1/3}.cat-count>span{margin:0}.cat-count p{font-size:14px}.cat-hero-actions{gap:5px 15px}.category-browse{padding:16px;margin:12px 0 27px}.category-browse-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.category-browse-links>a{padding:10px;font-size:14px;gap:8px}.cat-tool-grid{grid-template-columns:1fr;gap:13px}.cat-tool-card{padding:20px}.cat-scene{margin:29px 0 34px}.cat-guide{padding:21px;margin:32px 0}.cat-guide-grid{grid-template-columns:1fr;gap:25px}.cat-faq{margin-top:32px}.cat-faq summary{font-size:16px}.category-return{padding:15px 17px}.category-related{padding:19px}.category-related-grid,.cat-procurement .category-related-grid{grid-template-columns:1fr}.category-browse-nav{margin-top:24px}}
@media(max-width:350px){.cat-hero h1 span{display:block;font-size:.6em;color:var(--muted)}.cat-hero h1{font-size:31px}.category-browse-links{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.category-page{scroll-behavior:auto}}

html[data-xunl-theme=dark] :is(.category-page,.category-return,.category-related,.category-browse) :focus-visible{outline-color:#adc5ff}

.category-page>.category-browse{padding:16px;margin:8px 0 22px}

@media(max-width:640px){.category-page>.category-browse{min-width:0;padding:12px;margin:8px 0 18px}.category-page>.category-browse>p{margin-bottom:5px;font-size:14px}.category-page .category-browse-links{display:flex;flex-wrap:nowrap;max-width:100%;overflow-x:auto;overscroll-behavior-x:contain;gap:8px;padding:5px 3px}.category-page .category-browse-links>a{flex:0 0 auto;white-space:nowrap;min-height:44px;gap:10px}.category-page .category-browse-links>a:focus-visible{outline-offset:1px}.category-page .cat-count{padding:12px 16px;grid-template-columns:auto 1fr;gap:0 12px}.category-page .cat-count strong{grid-row:auto;font-size:36px}.category-page .cat-count>span{font-size:14px}.category-page .cat-count p{display:none}.category-page .cat-hero h1 span{display:inline}}

.sector-quick-nav{margin:12px 0 28px;padding:14px 18px;border:1px solid var(--line);border-radius:14px;background:var(--white);display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.sector-quick-title{font-size:14px;font-weight:700;color:var(--muted);white-space:nowrap}
.sector-quick-links{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.sector-pill{display:inline-flex;align-items:center;gap:6px;min-height:36px;padding:6px 13px;border-radius:20px;font-size:14px;color:var(--ink);background:var(--paper);border:1px solid var(--line);text-decoration:none;transition:all .15s ease}
.sector-pill span{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.sector-pill:hover{border-color:var(--blue);color:var(--blue)}
.sector-pill[aria-current=page]{background:var(--blue);color:#fff;border-color:var(--blue);font-weight:700}
.sector-pill[aria-current=page] span{color:rgba(255,255,255,.85)}
.cat-scene-title-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin:0 0 9px}
.cat-scene-title-row h2{margin:0;font-size:clamp(21px,2.3vw,27px);line-height:1.45;color:var(--ink)}
.cat-sector-direct-link{display:inline-flex;align-items:center;gap:5px;min-height:34px;padding:5px 12px;border-radius:8px;font-size:14px;font-weight:650;color:var(--blue);background:var(--blue-soft);text-decoration:none;transition:opacity .15s ease}
.cat-sector-direct-link:hover{text-decoration:underline;text-underline-offset:3px}
.sector-hub-page .cat-scene{margin-top:16px}
html[data-xunl-theme=dark] .sector-quick-nav{background:#161b24;border-color:#2a3344}
html[data-xunl-theme=dark] .sector-pill{background:#1e2430;border-color:#2e3848;color:#d5dded}
html[data-xunl-theme=dark] .sector-pill:hover{border-color:#547dea;color:#adc5ff}
html[data-xunl-theme=dark] .sector-pill[aria-current=page]{background:#355ed6;color:#fff;border-color:#355ed6}
html[data-xunl-theme=dark] .cat-sector-direct-link{background:rgba(84,125,234,.18);color:#adc5ff}
@media(max-width:640px){
  .sector-quick-nav{padding:10px 12px;margin:8px 0 20px;flex-direction:column;align-items:flex-start;gap:8px}
  .sector-quick-links{overflow-x:auto;flex-wrap:nowrap;max-width:100%;padding-bottom:4px;gap:6px}
  .sector-pill{white-space:nowrap;font-size:13px;padding:5px 10px;min-height:32px}
  .cat-scene-title-row{flex-direction:column;align-items:flex-start;gap:8px}
}