@font-face{font-family:'BL';font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/bl-400-vi.woff2) format('woff2');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:'BL';font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/bl-400-la.woff2) format('woff2');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+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}@font-face{font-family:'BL';font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/bl-600-vi.woff2) format('woff2');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:'BL';font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/bl-600-la.woff2) format('woff2');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+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}@font-face{font-family:'BC';font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/bc-600-vi.woff2) format('woff2');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:'BC';font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/bc-600-la.woff2) format('woff2');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+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}@font-face{font-family:'BC';font-style:normal;font-weight:700;font-display:swap;src:url(../fonts/bc-700-vi.woff2) format('woff2');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:'BC';font-style:normal;font-weight:700;font-display:swap;src:url(../fonts/bc-700-la.woff2) format('woff2');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+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
:root{--bg:#f4f8fc;--paper:#fff;--ink:#0d2238;--mute:#4a6078;--line:#d7e3ef;--blue:#0b5cab;--blue-d:#08467f;--sky:#dcecfb;--sun:#f59e0b;--max:1100px;--g:20px;--head:'BC','BL',system-ui,sans-serif;--ff:'BL',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:70px;overflow-x:clip}
body{margin:0;background:var(--bg);color:var(--ink);font:400 18px/1.6 var(--ff);overflow-x:hidden}
a{color:var(--blue-d);text-underline-offset:3px}
:focus-visible{outline:2px solid var(--sun);outline-offset:2px;border-radius:6px}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3{font-family:var(--head);font-weight:700;line-height:1.1;margin:0 0 .5em;letter-spacing:.01em}
h2{font-size:clamp(28px,3.6vw,38px)}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;z-index:99;background:#fff;padding:8px 14px}.skip:focus{left:8px}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--g)}
.btn{display:inline-flex;align-items:center;justify-content:center;border:0;background:var(--blue);color:#fff;font-weight:600;border-radius:999px;padding:0 20px;min-height:46px;text-decoration:none}
.btn--sm{min-height:40px;font-size:15px}
.hd{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hd__in{display:flex;align-items:center;gap:18px;min-height:58px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font:700 22px var(--head)}
.brand__mk{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--blue);color:#fff;transform:rotate(45deg)}
.hd__nav{margin-left:auto}
.hd__nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.hd__nav a{display:block;padding:8px 12px;border-radius:999px;text-decoration:none;color:var(--mute);font-weight:600;font-size:16px}
.hd__nav a:hover{background:var(--sky);color:var(--blue-d)}
.hd__btn{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:#fff;position:relative}
.hd__btn span:first-child,.hd__btn span:first-child::before,.hd__btn span:first-child::after{position:absolute;left:12px;right:12px;height:2px;background:var(--ink);content:''}
.hd__btn span:first-child{top:21px}.hd__btn span:first-child::before{top:-6px;left:0;right:0}.hd__btn span:first-child::after{top:6px;left:0;right:0}
.sky{padding:40px 0 46px;background:radial-gradient(ellipse at 80% 0,#ffffff 0,transparent 55%),linear-gradient(180deg,#bfe0fb 0,#e7f2fc 60%,var(--bg))}
.sky__h{font-size:clamp(38px,6vw,64px);text-transform:uppercase}
.sky__h span{display:block;color:var(--blue)}
.sky__p{color:var(--mute);max-width:640px;margin:0 0 24px}
.route{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr) 200px;gap:10px;align-items:end;background:#fff;border-radius:20px;padding:16px;box-shadow:0 20px 40px -26px rgba(11,92,171,.6)}
.route__f label{display:block;font-size:13px;font-weight:600;color:var(--mute);text-transform:uppercase;letter-spacing:.05em;margin:0 0 4px 4px}
.route select,.route input{width:100%;border:1.5px solid var(--line);border-radius:12px;padding:12px;background:var(--bg);min-height:50px}
.route select:focus,.route input:focus{outline:none;border-color:var(--blue)}
.route__swap{width:48px;height:50px;border:0;border-radius:12px;background:var(--sky);color:var(--blue-d);font-size:22px}
.board{margin-top:18px;background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 0 0 1px var(--line);position:relative}
.board::before,.board::after{content:'';position:absolute;top:74px;width:24px;height:24px;border-radius:50%;background:#e7f2fc}
.board::before{left:-12px}.board::after{right:-12px}
.board__leg{display:flex;align-items:center;gap:16px;padding:20px 26px;border-bottom:2px dashed var(--line)}
.board__leg b{font:700 46px/1 var(--head);letter-spacing:.04em}
.board__line{flex:1;height:2px;background:repeating-linear-gradient(90deg,var(--blue) 0 8px,transparent 8px 14px);position:relative}
.board__line i{position:absolute;left:50%;top:-11px;width:24px;height:24px;margin-left:-12px;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%230b5cab'%3E%3Cpath d='M21 15.5v-2l-8-5V3.8a1.5 1.5 0 0 0-3 0V8.5l-8 5v2l8-2.5v5.2l-2 1.5V21l3.5-1 3.5 1v-1.3l-2-1.5V13z'/%3E%3C/svg%3E") center/20px no-repeat;transform:rotate(90deg)}
.board__grid{display:grid;grid-template-columns:repeat(4,1fr);margin:0}
.board__grid div{padding:16px 22px;border-right:1px solid var(--line)}
.board__grid div:last-child{border-right:0}
.board__grid dt{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--mute)}
.board__grid dd{margin:2px 0 0;font:700 26px var(--head);color:var(--ink)}
.board__note{margin:0;padding:10px 22px 16px;font-size:14px;color:var(--mute);border-top:1px solid var(--line)}
.sec{padding-top:46px;padding-bottom:6px}
.cs-scroll{overflow-x:auto}
.aps{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden;min-width:520px;font-size:16px}
.aps th,.aps td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left}
.aps thead th{background:var(--ink);color:#fff;font-family:var(--head);font-size:15px;letter-spacing:.05em;text-transform:uppercase}
.aps td b{font:700 20px var(--head);color:var(--blue)}
.aps__g th{background:var(--sky);color:var(--blue-d);font-size:14px;text-transform:uppercase;letter-spacing:.05em}
.steps{list-style:none;counter-reset:s;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.steps li{counter-increment:s;background:#fff;border-radius:16px;padding:18px 18px 18px 66px;position:relative;box-shadow:0 0 0 1px var(--line)}
.steps li::before{content:counter(s);position:absolute;left:18px;top:18px;width:34px;height:34px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font:700 18px var(--head)}
.steps b{display:block;font-size:19px}
.steps span{color:var(--mute);font-size:16px}
.faq{display:grid;gap:8px;margin-bottom:24px}
.faq details{background:#fff;border-radius:14px;padding:2px 18px;box-shadow:0 0 0 1px var(--line)}
.faq summary{cursor:pointer;font-weight:600;padding:12px 0;min-height:44px}
.faq p{margin:0 0 14px;color:var(--mute)}
.fb{background:#fff;border-radius:18px;padding:18px;box-shadow:0 0 0 1px var(--line);display:flex;flex-wrap:wrap;gap:14px 20px;align-items:center;justify-content:space-between}
.fb__head{display:flex;gap:12px;align-items:center}
.fb__ic{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--sky);color:var(--blue-d);flex:none}
.fb__t{font-size:22px;margin:0}
.fb__s{margin:2px 0 0;font-size:14px;color:var(--mute)}
.fb__btns{display:flex;gap:8px}
.fb__b{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:0 16px;font-weight:600;min-height:44px}
.fb__b--up[aria-pressed=true]{border-color:#16a34a;color:#15803d}.fb__b--down[aria-pressed=true]{border-color:#dc2626;color:#b91c1c}
.fb__form,.fb__thx{flex-basis:100%;margin:0}.fb__form{display:grid;gap:8px}
.fb__form textarea{border:1px solid var(--line);border-radius:12px;padding:10px;width:100%}
.fb__thx{color:#15803d;font-weight:600}
.pg{max-width:820px;padding-top:40px}.pg__t{font-size:clamp(32px,4vw,46px)}.prose{overflow-wrap:anywhere}
.list{list-style:none;padding:0}.list li{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:10px 0}
.pg--404{text-align:center}.code404{font:700 90px/1 var(--head);color:var(--blue);margin:0}
.ft{margin-top:50px;background:var(--ink);color:#c9d8e8;padding:30px 0}
.ft p{margin:0 0 10px;font-size:15px;max-width:860px}.ft__copy{opacity:.7}
@media (max-width:900px){
 .hd__btn{display:block;margin-left:auto}
 .hd__nav{position:absolute;left:0;right:0;top:58px;background:#fff;border-bottom:1px solid var(--line);display:none;padding:6px var(--g) 12px}
 .hd__nav.is-open{display:block}.hd__nav ul{flex-direction:column}.hd__nav a{padding:12px 4px}
 .route{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr)}.route__f--t{grid-column:1/-1}
 .board__grid{grid-template-columns:1fr 1fr}.board__grid div:nth-child(2){border-right:0}.board__grid div:nth-child(-n+2){border-bottom:1px solid var(--line)}
 .steps{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:640px){
 :root{--g:14px}
 .route{grid-template-columns:minmax(0,1fr);}
 .route__swap{justify-self:center;transform:rotate(90deg)}
 .board__leg b{font-size:34px}
 .board__grid dd{font-size:21px}
 .board__grid div{padding:12px 14px}
}