:root,[data-theme=light]{--bg: #eef3fb;--surface: #ffffff;--surface-2: #f4f7fc;--border: #dbe3ef;--border-strong: #c3cfe0;--text: #0f172a;--text-2: #334155;--muted: #64748b;--faint: #94a3b8;--accent: #2563eb;--accent-hover: #1d4ed8;--accent-ink: #ffffff;--accent-soft: rgba(37,99,235,.1);--map-water: #e2eaf6;--map-land: #ffffff;--map-land-hi: #dce8fb;--map-stroke: #c3cfe0;--map-grid: transparent;--map-vignette: #e2eaf6;--skeleton: #e3e9f3;--skeleton-hi: #f1f5fb;color-scheme:light}[data-theme=dark]{--bg: #020617;--surface: #0f172a;--surface-2: #111c33;--border: #1e293b;--border-strong: #334155;--text: #f3f4f6;--text-2: #d1d5db;--muted: #9ca3af;--faint: #6b7280;--accent: #3b82f6;--accent-hover: #60a5fa;--accent-ink: #ffffff;--accent-soft: rgba(59,130,246,.14);--map-water: #070d1c;--map-land: #0f172a;--map-land-hi: #15213a;--map-stroke: #1e293b;--map-grid: rgba(148,163,184,.05);--map-vignette: #070d1c;--skeleton: #16213a;--skeleton-hi: #1f2c47;color-scheme:dark}:root{--font-sans: 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0}.section-title{font-size:18px;margin-bottom:16px;color:var(--text);text-align:center}.map-card{position:relative;overflow:hidden;aspect-ratio:16 / 9;background:var(--map-water)}.map-card svg{position:absolute;inset:0;width:100%;height:100%;display:block}.map-card .land{fill:var(--map-land);stroke:var(--map-stroke);stroke-width:.8;vector-effect:non-scaling-stroke}.map-card .land.hi{fill:var(--map-land-hi)}.map-vignette{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse 75% 75% at 50% 50%,transparent 55%,var(--map-vignette) 100%)}.map-meta{position:absolute;left:16px;top:14px;font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}.marker{position:absolute;width:0;height:0}.marker[hidden]{display:none}.marker .glow{position:absolute;left:-60px;top:-60px;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,#3b82f647,#3b82f600 65%)}.marker 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minmax(0,1fr);gap:16px;align-items:baseline;padding:14px 20px;border-top:1px solid var(--border)}.row:first-child{border-top:0}.row dt{font-size:13px;color:var(--muted);text-align:left}.row dd{margin:0;font-size:15px;color:var(--text);overflow-wrap:anywhere}.row dd.mono{font-size:14px}.row dd.is-empty{color:var(--faint)}@media(max-width:480px){.row{grid-template-columns:96px minmax(0,1fr);padding:14px 16px}}.tools{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}@media(max-width:560px){.tools{grid-template-columns:1fr}}.tools>.tool:last-child:nth-child(odd){grid-column:1 / -1}.tool{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;gap:4px;min-height:104px;padding:18px 40px;transition:border-color .15s,background-color .15s}a.tool:hover{border-color:var(--border-strong);background:var(--surface-2);color:var(--text)}.tool-head{display:flex;align-items:center;justify-content:center;gap:8px}.tool h3{font-size:15px}.tool p{font-size:13.5px;color:var(--muted)}.tag{font-size:10.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;padding:2px 7px;border:1px solid var(--border-strong);border-radius:999px;color:var(--muted)}.arrow{position:absolute;right:18px;bottom:18px;width:16px;height:16px;color:var(--muted);opacity:0;transform:translate(-4px);transition:opacity .15s,transform .15s}.tool:hover .arrow,.guide:hover .arrow{opacity:1;transform:none;color:var(--text)}@media(hover:none){.arrow{opacity:.6;transform:none}}.prose{max-width:62ch;margin:0 auto;text-align:center;display:grid;gap:14px;color:var(--text-2);font-size:15.5px;line-height:1.7}[data-theme=dark] .prose{color:#cbd5e1}.faq-item{border-top:1px solid var(--border)}.faq-item:first-child{border-top:0}.faq-q{position:relative;width:100%;min-height:56px;display:flex;align-items:center;justify-content:center;gap:16px;padding:14px 52px;background:none;border:0;text-align:center;cursor:pointer;font-size:15px;font-weight:500;color:var(--text);border-radius:0}.faq-q:hover .pm{color:var(--text)}.pm{position:absolute;right:20px;top:50%;margin-top:-7px;flex:none;width:14px;height:14px;color:var(--muted)}.pm:before,.pm:after{content:"";position:absolute;left:0;top:6.25px;width:14px;height:1.5px;background:currentColor;transition:transform .2s}.pm:after{transform:rotate(90deg)}.faq-q[aria-expanded=true] .pm:after{transform:rotate(0)}.faq-a{padding:0 20px 18px;max-width:64ch;margin:0 auto;text-align:center;color:var(--muted);font-size:14.5px}.faq-a[hidden]{display:none}@media(prefers-reduced-motion:reduce){.pm:before,.pm:after{transition:none}}.guide{position:relative;display:block;padding:16px 56px;min-height:64px;text-align:center;border-top:1px solid var(--border);transition:background-color .15s}.guide:first-child{border-top:0;border-radius:var(--radius-lg) var(--radius-lg) 0 0}.guide:last-child{border-radius:0 0 var(--radius-lg) var(--radius-lg)}.guide:only-child{border-radius:var(--radius-lg)}.guide:hover{background:var(--surface-2);color:var(--text)}.guide h2,.guide h3{font-size:15px;font-weight:500}.guide p{font-size:13.5px;color:var(--muted)}.guide .arrow{top:50%;bottom:auto;margin-top:-8px;right:20px}.footer{margin-top:72px;border-top:1px solid var(--border)}.footer .wrap{min-height:64px;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;text-align:center;gap:0 16px;padding-top:12px;padding-bottom:12px;font-size:13px;color:var(--faint)}.footer a{color:var(--muted);display:inline-flex;align-items:center;min-height:44px}.footer a:hover{color:var(--text)}.page-head{padding:64px 0 8px;text-align:center}.page-title{margin-top:12px;font-size:clamp(1.8rem,6vw,2.5rem);line-height:1.15;letter-spacing:-.03em}.page-lede{max-width:56ch;margin:14px auto 0;color:var(--muted);font-size:15.5px}.page-body{margin-top:40px}.page-meta{margin-top:12px;font-size:13px;color:var(--faint)}.article{max-width:64ch;margin:40px auto 0;color:var(--text-2);font-size:16px;line-height:1.75}[data-theme=dark] .article{color:#cbd5e1}.article>*+*{margin-top:16px}.article h2{margin-top:40px;font-size:20px;color:var(--text);letter-spacing:-.015em}.article h3{margin-top:28px;font-size:16px;color:var(--text)}.article h2+*,.article h3+*{margin-top:10px}.article strong{color:var(--text);font-weight:600}.article a{color:var(--accent-hover);text-decoration:underline;text-decoration-color:var(--border-strong);text-underline-offset:3px}[data-theme=light] .article a{color:var(--accent)}.article a:hover{text-decoration-color:currentColor}.article ul,.article ol{padding-left:1.25em}.article li+li{margin-top:8px}.article li::marker{color:var(--faint)}.article code{font-family:var(--font-mono);font-size:.9em;padding:1px 6px;background:var(--surface);border:1px solid var(--border);border-radius:6px;color:var(--text)}.article blockquote{margin-left:0;padding-left:16px;border-left:2px solid var(--border-strong);color:var(--muted)}.article hr{border:0;border-top:1px solid var(--border);margin:32px 0}.cta-card{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 20px;max-width:64ch;margin:48px auto 0;padding:20px 24px}.cta-card p{color:var(--text-2);font-size:15px}.cta-card .btn-primary:hover{color:var(--accent-ink)}.result{padding:28px 24px;text-align:center}.result-status{font-size:clamp(1.25rem,4.5vw,1.6rem);letter-spacing:-.02em}.result-status .accent{color:var(--accent-hover)}[data-theme=light] .result-status .accent{color:var(--accent)}.result-ip{margin-top:10px;font-family:var(--font-mono);font-size:15px;color:var(--muted);overflow-wrap:anywhere}.result-note{max-width:56ch;margin:18px auto 0;font-size:14px;color:var(--muted)}.result .seg{margin-top:18px}