@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-cyrillic-ext-wght-normal-B2xhLi22.woff2) format("woff2-variations");unicode-range:U+0460-052F,U+1C80-1C88,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-cyrillic-wght-normal-CMZtQduZ.woff2) format("woff2-variations");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-greek-ext-wght-normal-CGAr0uHJ.woff2) format("woff2-variations");unicode-range:U+1F00-1FFF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-greek-wght-normal-CaVNZxsx.woff2) format("woff2-variations");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-vietnamese-wght-normal-CBcvBZtf.woff2) format("woff2-variations");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-latin-ext-wght-normal-CFHvXkgd.woff2) format("woff2-variations");unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-latin-wght-normal-C2S99t-D.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--bg: #ffffff;--ink: #101820;--muted: #4a5868;--navy: #102d4e;--blue: #1769b5;--blue-ink: #0f5596;--bright: #0a96f0;--pale: #eef6fc;--border: #d8e2eb;--line: #e7edf3;--ok: #17663a;--ok-bg: #edf7f1;--warn: #8a5300;--warn-bg: #fff6e6;--bad: #a3242b;--bad-bg: #fdf0f0;--radius: 12px;--radius-sm: 8px;--max: 1200px;--gutter: clamp(16px, 4vw, 40px);--s1: 4px;--s2: 8px;--s3: 12px;--s4: 16px;--s5: 24px;--s6: 32px;--s7: 48px;--s8: 72px;--s9: 112px;--font: "Inter Variable", Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;color-scheme:light}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.6;font-feature-settings:"cv11","ss01";-webkit-font-smoothing:antialiased}img{max-width:100%;display:block}a{color:var(--blue-ink);text-underline-offset:3px}a:hover{color:var(--navy)}h1,h2,h3{color:var(--navy);line-height:1.12;letter-spacing:-.02em;margin:0;font-weight:650}h1{font-size:clamp(2.1rem,5.4vw,4.1rem);letter-spacing:-.035em;font-weight:700}h2{font-size:clamp(1.5rem,3vw,2.15rem)}h3{font-size:1.15rem;letter-spacing:-.01em}p{margin:0}:focus-visible{outline:3px solid var(--bright);outline-offset:2px;border-radius:4px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.skip{position:absolute;left:-999px;top:8px;background:var(--navy);color:#fff;padding:8px 14px;border-radius:8px;z-index:50}.skip:focus{left:8px}.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}.narrow{max-width:760px}.muted{color:var(--muted)}.small{font-size:.875rem;line-height:1.5}.eyebrow{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--blue-ink);font-weight:600}.stack>*+*{margin-top:var(--s4)}.stack-lg>*+*{margin-top:var(--s6)}.row{display:flex;gap:var(--s3);flex-wrap:wrap;align-items:center}.between{justify-content:space-between}.tabular{font-variant-numeric:tabular-nums}hr.rule{border:0;border-top:1px solid var(--line);margin:0}.demo-strip{background:var(--navy);color:#dbe8f5;font-size:.8rem;line-height:1.45}.demo-strip .wrap{padding-top:7px;padding-bottom:7px;display:flex;gap:10px;align-items:baseline}.demo-strip b{color:#fff;font-weight:600;letter-spacing:.06em;text-transform:uppercase;font-size:.7rem;flex:none}.site-header{border-bottom:1px solid var(--line);background:#fffffff5;position:sticky;top:0;z-index:20}.site-header .wrap{display:flex;align-items:center;gap:var(--s5);min-height:68px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none}.brand img.mark{height:34px;width:auto}.brand img.word{height:19px;width:auto}.nav{display:flex;gap:var(--s5);margin-left:auto;align-items:center}.nav a{text-decoration:none;color:var(--ink);font-weight:500;font-size:.95rem}.nav a[aria-current=page]{color:var(--blue-ink)}.lang-toggle{border:1px solid var(--border);background:#fff;color:var(--navy);font:inherit;font-size:.74rem;font-weight:650;letter-spacing:.1em;padding:0 14px;min-height:40px;border-radius:999px;cursor:pointer;flex:none}.lang-toggle:hover{border-color:var(--navy)}@media (max-width: 760px){.nav .nav-link{display:none}.brand img.word{height:16px}.brand img.mark{height:30px}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:10px;border:1px solid transparent;font:inherit;font-weight:600;font-size:1rem;text-decoration:none;cursor:pointer;transition:background-color .15s,border-color .15s,color .15s}.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-ink);color:#fff}.btn-dark{background:var(--navy);color:#fff}.btn-dark:hover{background:#0a1f37;color:#fff}.btn-ghost{background:#fff;color:var(--navy);border-color:var(--border)}.btn-ghost:hover{border-color:var(--navy);color:var(--navy)}.btn-quiet{background:transparent;color:var(--blue-ink);padding:0 8px;min-height:44px}.btn-danger{background:#fff;color:var(--bad);border-color:#e9c3c5}.btn[disabled]{opacity:.55;cursor:not-allowed}.btn-block{width:100%}.btn .arrow{transition:transform .15s}.btn:hover .arrow{transform:translate(3px)}.hero{padding:clamp(48px,9vw,120px) 0 clamp(40px,7vw,96px)}.hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:clamp(32px,6vw,96px);align-items:end}.hero h1{max-width:13ch}.hero .lede{font-size:clamp(1.05rem,1.6vw,1.2rem);color:var(--muted);max-width:52ch;margin-top:var(--s5)}.hero .ctas{margin-top:var(--s6);display:flex;gap:var(--s3);flex-wrap:wrap}.hero-aside{border-left:1px solid var(--line);padding-left:clamp(20px,3vw,40px)}.route-figure{width:100%;height:auto}.hero-aside .caption{margin-top:var(--s3)}@media (max-width: 900px){.hero-grid{grid-template-columns:1fr}.hero-aside{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:var(--s5)}.hero .ctas .btn{flex:1 1 220px}}.section{padding:clamp(48px,8vw,104px) 0;border-top:1px solid var(--line)}.section-head{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:var(--s6);align-items:end;margin-bottom:var(--s7)}@media (max-width: 800px){.section-head{grid-template-columns:1fr;gap:var(--s3);margin-bottom:var(--s6)}}.uses{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:2px solid var(--navy)}.uses>a{padding:var(--s5) var(--s5) var(--s6) 0;text-decoration:none;color:inherit;border-right:1px solid var(--line)}.uses>a+a{padding-left:var(--s5)}.uses>a:last-child{border-right:0}.uses>a:hover h3{color:var(--blue-ink)}.uses .num{font-size:.8rem;color:var(--blue-ink);font-weight:600;letter-spacing:.08em}.uses h3{margin:var(--s3) 0 var(--s2)}@media (max-width: 800px){.uses{grid-template-columns:1fr}.uses>a,.uses>a+a{padding:var(--s5) 0;border-right:0;border-bottom:1px solid var(--line)}}.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s6);counter-reset:s}.steps li{counter-increment:s}.steps li:before{content:counter(s,decimal-leading-zero);display:block;font-size:2.6rem;font-weight:700;color:var(--pale);-webkit-text-stroke:1px var(--blue);letter-spacing:-.03em;line-height:1;margin-bottom:var(--s4)}.steps h3{margin-bottom:var(--s2)}@media (max-width: 800px){.steps{grid-template-columns:1fr;gap:var(--s5)}}.band{background:var(--pale);border-radius:var(--radius);padding:clamp(28px,5vw,56px);display:grid;grid-template-columns:1.2fr .8fr;gap:var(--s6);align-items:center}@media (max-width: 800px){.band{grid-template-columns:1fr}}.cadence{display:flex;gap:8px;flex-wrap:wrap}.cadence span{border:1px solid var(--border);background:#fff;border-radius:999px;padding:6px 14px;font-size:.9rem;color:var(--navy)}.faq details{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;padding:var(--s4) 0;font-weight:600;color:var(--navy);list-style:none;display:flex;justify-content:space-between;gap:var(--s4);min-height:44px;align-items:center}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";font-weight:400;font-size:1.4rem;color:var(--blue)}.faq details[open] summary:after{content:"–"}.faq details p{padding:0 0 var(--s4);color:var(--muted);max-width:64ch}.site-footer{border-top:1px solid var(--line);padding:var(--s7) 0 var(--s8);margin-top:var(--s8)}.site-footer .wrap{display:grid;grid-template-columns:1fr auto;gap:var(--s5);align-items:start}.site-footer nav{display:flex;gap:var(--s5);flex-wrap:wrap}.site-footer nav a{color:var(--ink);text-decoration:none;min-height:44px;display:inline-flex;align-items:center}@media (max-width: 700px){.site-footer .wrap{grid-template-columns:1fr}}.page{padding-top:clamp(32px,6vw,72px)}.page-head{margin-bottom:var(--s6)}.page-head p{color:var(--muted);margin-top:var(--s3);max-width:60ch}.flow{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:clamp(24px,4vw,56px);align-items:start}@media (max-width: 960px){.flow{grid-template-columns:1fr}}.flow aside{position:sticky;top:92px}@media (max-width: 960px){.flow aside{position:static}}.progress{list-style:none;margin:0 0 var(--s6);padding:0;display:grid;grid-template-columns:repeat(var(--n, 4),1fr);gap:6px}.progress li{border-top:3px solid var(--line);padding-top:8px;font-size:.8rem;color:var(--muted)}.progress li[data-state=done]{border-color:var(--navy);color:var(--navy)}.progress li[data-state=current]{border-color:var(--blue);color:var(--ink);font-weight:600}.progress .n{font-variant-numeric:tabular-nums;margin-right:6px}@media (max-width: 560px){.progress .label{display:none}.progress li[data-state=current] .label{display:inline}}fieldset{border:0;margin:0;padding:0;min-width:0}legend,.label-strong{font-weight:650;color:var(--navy);font-size:1.02rem;margin-bottom:var(--s3);padding:0}.field{display:flex;flex-direction:column;gap:6px}.field label{font-weight:600;font-size:.95rem}.hint{font-size:.86rem;color:var(--muted);line-height:1.45}.input,select.input,textarea.input{font:inherit;font-size:1rem;min-height:48px;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;color:var(--ink);width:100%}textarea.input{min-height:96px;resize:vertical}.input:hover{border-color:#b9c7d4}.input:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px #1769b52e}.input[aria-invalid=true]{border-color:var(--bad)}.error-text{color:var(--bad);font-size:.88rem;font-weight:500}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:var(--s4)}@media (max-width: 600px){.grid-2{grid-template-columns:1fr}}.options{display:grid;gap:10px}.options.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.options.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}@media (max-width: 700px){.options.cols-3,.options.cols-2{grid-template-columns:1fr}}.opt{position:relative;display:block;cursor:pointer}.opt input{position:absolute;opacity:0;top:0;right:0;bottom:0;left:0;width:100%;height:100%;margin:0;cursor:pointer}.opt .box{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px;min-height:52px;background:#fff;transition:border-color .12s,background-color .12s}.opt .dot{flex:none;width:18px;height:18px;border-radius:50%;border:1.5px solid #9fb0c1;margin-top:3px;display:grid;place-items:center}.opt input[type=checkbox]+.box .dot{border-radius:5px}.opt input:checked+.box{border-color:var(--blue);background:var(--pale);box-shadow:inset 0 0 0 1px var(--blue)}.opt input:checked+.box .dot{border-color:var(--blue);background:var(--blue)}.opt input:checked+.box .dot:after{content:"";width:6px;height:6px;border-radius:50%;background:#fff}.opt input[type=checkbox]:checked+.box .dot:after{width:9px;height:5px;border-radius:0;background:none;border:2px solid #fff;border-top:0;border-right:0;transform:rotate(-45deg) translate(1px,-1px)}.opt input:focus-visible+.box{outline:3px solid var(--bright);outline-offset:2px}.opt .t{font-weight:600;line-height:1.35;display:block}.opt .d{display:block;font-size:.86rem;color:var(--muted);margin-top:3px;line-height:1.45}.opt .big{font-size:1.35rem;font-weight:700;color:var(--navy);font-variant-numeric:tabular-nums;letter-spacing:-.02em}.step-actions{display:flex;justify-content:space-between;gap:var(--s3);margin-top:var(--s6);padding-top:var(--s5);border-top:1px solid var(--line)}.step-actions .btn-primary{min-width:200px}@media (max-width: 520px){.step-actions{flex-direction:column-reverse}.step-actions .btn{width:100%}}.panel{border:1px solid var(--border);border-radius:var(--radius);padding:var(--s5);background:#fff}.panel-pale{background:var(--pale);border-color:transparent}.summary dl{margin:0;display:grid;grid-template-columns:1fr auto;row-gap:10px;column-gap:0}.summary dt{padding-right:var(--s4)}.summary dt{color:var(--muted)}.summary dd{margin:0;text-align:right;font-variant-numeric:tabular-nums;font-weight:500}.summary .total{border-top:1px solid var(--border);padding-top:12px;margin-top:4px;font-weight:700;color:var(--navy);font-size:1.15rem}.tag{display:inline-flex;align-items:center;gap:6px;font-size:.75rem;font-weight:600;letter-spacing:.04em;padding:4px 10px;border-radius:999px;background:var(--pale);color:var(--navy);border:1px solid var(--border)}.tag-demo{background:#fff;border-style:dashed}.tag:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.7}.notice{border-radius:var(--radius-sm);padding:14px 16px;border-left:3px solid var(--blue);background:var(--pale);font-size:.95rem}.notice.warn{border-color:var(--warn);background:var(--warn-bg)}.notice.bad{border-color:var(--bad);background:var(--bad-bg)}.notice.ok{border-color:var(--ok);background:var(--ok-bg)}.notice strong{display:block;margin-bottom:2px}.map-box{height:340px;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border);background:var(--pale)}@media (max-width: 600px){.map-box{height:280px}}.leaflet-container{font-family:var(--font)}.loc-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}@media (max-width: 700px){.loc-tabs{grid-template-columns:1fr 1fr}}.status-head{display:flex;gap:var(--s4);align-items:center;flex-wrap:wrap}.state-pill{display:inline-flex;gap:8px;align-items:center;font-weight:600;font-size:.9rem;padding:6px 12px;border-radius:999px;border:1px solid var(--border)}.state-pill:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--blue)}.state-pill[data-tone=ok]:before{background:var(--ok)}.state-pill[data-tone=warn]:before{background:#d08a00}.state-pill[data-tone=bad]:before{background:var(--bad)}.timeline{list-style:none;margin:0;padding:0}.timeline li{display:grid;grid-template-columns:22px 1fr;gap:12px;padding-bottom:18px;position:relative;color:var(--muted)}.timeline li:before{content:"";width:12px;height:12px;border-radius:50%;border:2px solid var(--border);background:#fff;margin-top:6px;margin-left:4px}.timeline li:after{content:"";position:absolute;left:9.5px;top:22px;bottom:0;width:1px;background:var(--line)}.timeline li:last-child:after{display:none}.timeline li[data-state=done]{color:var(--ink)}.timeline li[data-state=done]:before{background:var(--navy);border-color:var(--navy)}.timeline li[data-state=current]{color:var(--ink);font-weight:600}.timeline li[data-state=current]:before{border-color:var(--blue);box-shadow:0 0 0 4px #1769b526}.pin-card{background:var(--navy);color:#fff;border-radius:var(--radius);padding:var(--s5)}.pin-card h3{color:#fff}.pin{font-size:clamp(2.2rem,7vw,3rem);font-weight:700;letter-spacing:.22em;font-variant-numeric:tabular-nums;margin:var(--s3) 0}.pin-card .warn-line{background:#ffffff1a;border-left:3px solid var(--bright);padding:10px 12px;border-radius:6px;font-weight:600}.pin-card .small{color:#c5d6e8}.kv{display:grid;grid-template-columns:minmax(110px,auto) 1fr;gap:10px var(--s4);margin:0}.kv dt{color:var(--muted)}.kv dd{margin:0;font-weight:500}.spinner{width:18px;height:18px;border-radius:50%;border:2px solid var(--border);border-top-color:var(--blue);animation:spin .9s linear infinite;display:inline-block;vertical-align:middle}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}.prose h2{font-size:1.3rem;margin:var(--s6) 0 var(--s3)}.prose p,.prose li{color:#26323f;max-width:68ch}.prose ul{padding-left:1.2em}.prose li+li{margin-top:6px}.lab{padding-top:var(--s6);padding-bottom:var(--s8)}.lab-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:var(--s5)}@media (max-width: 1000px){.lab-grid{grid-template-columns:1fr}}.lab .panel h2{font-size:1.1rem;margin-bottom:var(--s3)}.lab table{width:100%;border-collapse:collapse;font-size:.86rem}.lab th,.lab td{text-align:left;padding:7px 6px;border-bottom:1px solid var(--line);vertical-align:top}.lab th{color:var(--muted);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.05em}.table-scroll{overflow-x:auto}.msg{border-bottom:1px solid var(--line);padding:8px 0;font-size:.86rem}.msg .meta{color:var(--muted);font-size:.75rem;display:flex;gap:8px;flex-wrap:wrap}.msg.in{border-left:3px solid var(--bright);padding-left:10px}.msg.out{border-left:3px solid var(--navy);padding-left:10px}.msg.failed{border-left-color:var(--bad)}.feed{max-height:520px;overflow-y:auto}.chips{display:flex;flex-wrap:wrap;gap:8px}.chips .btn{min-height:40px;padding:0 12px;font-size:.85rem}.clock{font-variant-numeric:tabular-nums;font-weight:600;color:var(--navy)}@media (max-width: 440px){.kv{grid-template-columns:1fr;gap:2px}.kv dt{margin-top:10px;font-size:.85rem}.kv dt:first-child{margin-top:0}}
