/* london-surgut.ru — «схема маршрута»: линии разделов, станции заданий, табло сроков */
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@font-face{font-family:Jost;font-style:normal;font-weight:400;font-display:swap;src:url(fonts/jost-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:Jost;font-style:normal;font-weight:500;font-display:swap;src:url(fonts/jost-cyrillic-500-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
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@font-face{font-family:Jost;font-style:normal;font-weight:600;font-display:swap;src:url(fonts/jost-cyrillic-600-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
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@font-face{font-family:Jost;font-style:normal;font-weight:700;font-display:swap;src:url(fonts/jost-cyrillic-700-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:Jost;font-style:normal;font-weight:700;font-display:swap;src:url(fonts/jost-latin-700-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:400;font-display:swap;src:url(fonts/source-serif-4-cyrillic-400-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:400;font-display:swap;src:url(fonts/source-serif-4-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Source Serif 4";font-style:italic;font-weight:400;font-display:swap;src:url(fonts/source-serif-4-cyrillic-400-italic.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Source Serif 4";font-style:italic;font-weight:400;font-display:swap;src:url(fonts/source-serif-4-latin-400-italic.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:600;font-display:swap;src:url(fonts/source-serif-4-cyrillic-600-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:600;font-display:swap;src:url(fonts/source-serif-4-latin-600-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --paper:#F4F2EA; --card:#FFFFFF; --tint:#ECE9DE; --ink:#15173A; --ink2:#2B2E55; --muted:#5E6078; --line:#D8D4C6;
  --aud:#D3262F; --read:#1F4FB4; --gram:#11804A; --write:#8E2A6E; --oral:#E08600; --teal:#00949F; --grey:#6A6F82;
  --board:#14151C; --amber:#FFB424; --amber2:#FFD27A;
  --ui:Jost,"Segoe UI",Arial,sans-serif; --text:"Source Serif 4",Georgia,"Times New Roman",serif;
  --r:14px; --track:6px; --sec:#15173A;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:120px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--ui);overflow-x:hidden}
img,svg{max-width:100%}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-9999px;top:8px;z-index:100;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px}
.skip:focus{left:12px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.wrap{width:100%;max-width:1220px;margin:0 auto;padding:0 24px}
.narrow{max-width:860px}
h1,h2,h3{font-family:var(--ui);line-height:1.15;letter-spacing:-.01em;margin:0}
h1{font-size:clamp(32px,4.6vw,54px);font-weight:600}
h2{font-size:clamp(24px,2.6vw,32px);font-weight:600}
.lead{font:400 clamp(18px,1.6vw,21px)/1.55 var(--text);color:var(--ink2);max-width:760px;margin:18px 0 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 20px;border-radius:999px;border:2px solid var(--ink);font:600 15px/1 var(--ui);text-decoration:none;cursor:pointer;transition:transform .15s,background .15s,color .15s;background:transparent}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--ink2)}
.btn-line:hover{background:var(--ink);color:#fff}
.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.4;pointer-events:none}
.side-cap{font:600 12px/1.2 var(--ui);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 12px}

/* header */
.site-header{position:sticky;top:0;z-index:40;background:rgba(244,242,234,.94);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo-mark svg{width:58px;height:26px;display:block}
.lg-line{fill:none;stroke:var(--sec);stroke-width:4;stroke-linecap:round;stroke-linejoin:round;transition:stroke .3s}
.lg-st{fill:#fff;stroke:var(--ink);stroke-width:3}
.lg-dot{fill:var(--ink)}
.logo-text{display:flex;flex-direction:column;line-height:1.05}
.logo-text b{font-weight:700;font-size:19px;letter-spacing:-.01em}
.logo-text b i{font-style:normal;color:var(--muted);margin:0 1px}
.logo-text span{font-size:12.5px;color:var(--muted);letter-spacing:.02em;margin-top:3px}
.header-actions{display:flex;align-items:center;gap:8px}
.icon-btn{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--card);cursor:pointer}
.icon-btn:hover{border-color:var(--ink)}
.header-cta{min-height:42px;padding:8px 18px}
.menu-toggle{display:none}
.main-nav{border-top:1px solid var(--line);background:var(--paper)}
.nav-inner{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.nav-inner::-webkit-scrollbar{display:none}
.main-nav a{display:flex;align-items:center;gap:8px;padding:11px 12px;white-space:nowrap;text-decoration:none;font-weight:500;font-size:15px;color:var(--ink2);border-bottom:3px solid transparent}
.main-nav a i{width:18px;height:6px;border-radius:3px;background:var(--c)}
.main-nav a:hover{color:var(--ink)}
.main-nav a[aria-current=page]{border-bottom-color:var(--c);color:var(--ink)}

/* search */
.search-modal{position:fixed;inset:0;z-index:90;background:rgba(21,23,58,.5);display:flex;align-items:flex-start;justify-content:center;padding:10vh 16px 16px}
.search-modal[hidden]{display:none}
.modal-open{overflow:hidden}
.search-box{width:100%;max-width:680px;background:var(--card);border-radius:18px;box-shadow:0 30px 80px rgba(0,0,0,.3);overflow:hidden}
.search-field{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line)}
.search-field input{flex:1;border:0;outline:0;font-size:18px;background:transparent;min-width:0}
.search-close{border:1px solid var(--line);background:var(--paper);border-radius:6px;padding:3px 8px;font-size:12px;cursor:pointer}
.search-results{list-style:none;margin:0;padding:8px;max-height:60vh;overflow:auto}
.search-results a{display:flex;gap:12px;padding:10px 12px;border-radius:10px;text-decoration:none}
.search-results a.active,.search-results a:hover{background:var(--paper)}
.search-results .sr-line{flex:none;width:6px;border-radius:3px;background:var(--c)}
.search-results b{display:block;font-weight:600;line-height:1.3}
.search-results small{display:block;color:var(--muted);font-size:13.5px;line-height:1.4;margin-top:3px}
.sr-empty{padding:16px;color:var(--muted)}

/* line tags & chips */
.line-tag{display:inline-flex;flex-wrap:wrap;align-items:center;gap:10px;font:600 13px/1.2 var(--ui);letter-spacing:.06em;text-transform:uppercase;color:var(--ink2)}
.line-tag i{width:34px;height:var(--track);border-radius:3px;background:var(--sec);position:relative}
.line-tag i::after{content:"";position:absolute;right:-3px;top:50%;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--sec);transform:translateY(-50%)}
.line-tag span{color:var(--muted);font-weight:500}
.line-tag span::before{content:"·";margin-right:10px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.chip{display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;background:var(--card);border:1px solid var(--line);font-size:13.5px;color:var(--muted)}
.chip-line{border-color:var(--sec);color:var(--ink);background:color-mix(in srgb,var(--sec) 10%,#fff)}
.line-chip{display:inline-flex;align-items:center;gap:9px;padding:8px 14px;border-radius:999px;background:var(--card);border:1px solid var(--line);text-decoration:none;font-weight:500;font-size:15px}
.line-chip i{width:16px;height:6px;border-radius:3px;background:var(--c)}
.line-chip:hover{border-color:var(--c)}

/* crumbs */
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:0;margin:0 0 20px;padding:0;font-size:14px;color:var(--muted)}
.crumbs li{display:flex;align-items:center}
.crumbs li+li::before{content:"";width:22px;height:2px;background:var(--line);margin:0 8px}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--ink);text-decoration:underline}

/* article head */
.a-head{padding:34px 0 34px;border-bottom:1px solid var(--line);background:linear-gradient(to bottom,var(--paper),var(--paper)) padding-box;position:relative}
.a-head::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:var(--track);background:var(--sec)}
.a-head h1{margin-top:16px;max-width:980px;font-size:clamp(30px,4vw,48px)}
.hub-head{padding-bottom:40px}

/* article layout */
.a-grid{display:grid;grid-template-columns:280px minmax(0,1fr);gap:56px;padding-top:40px;padding-bottom:30px}
.a-grid>*{min-width:0}
.side-sticky{position:sticky;top:130px;display:flex;flex-direction:column;gap:18px}
.toc ol{list-style:none;margin:0;padding:0;position:relative}
.toc ol::before{content:"";position:absolute;left:7px;top:10px;bottom:10px;width:4px;border-radius:2px;background:var(--sec)}
.toc a{display:flex;gap:12px;align-items:flex-start;padding:6px 0;text-decoration:none;font-size:14.5px;line-height:1.35;color:var(--ink2)}
.tdot{flex:none;position:relative;z-index:1;width:18px;height:18px;border-radius:50%;background:#fff;border:3px solid var(--sec);margin-top:0;transition:transform .15s,background .15s}
.toc a:hover{color:var(--ink)}
.toc a.active{color:var(--ink);font-weight:600}
.toc a.active .tdot{background:var(--sec);transform:scale(1.1)}
.station-card{background:var(--card);border:1px solid var(--line);border-top:var(--track) solid var(--sec);border-radius:var(--r);padding:16px}
.stc-head{display:flex;gap:12px;align-items:center}
.stc-no{flex:none;display:grid;place-items:center;min-width:48px;height:48px;padding:0 8px;border-radius:24px;background:var(--sec);color:#fff;font-weight:700;font-size:16px}
.stc-head small{display:block;color:var(--muted);font-size:12.5px;text-transform:uppercase;letter-spacing:.06em}
.stc-head b{display:block;line-height:1.2}
.station-card dl{display:flex;gap:20px;margin:14px 0 8px}
.station-card dt{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.station-card dd{margin:0;font-weight:600}
.station-card p{margin:0;font-size:14px;line-height:1.45;color:var(--ink2)}
.side-tool{display:flex;gap:12px;align-items:center;padding:12px 14px;border-radius:var(--r);background:var(--ink);color:#fff;text-decoration:none}
.side-tool small{display:block;color:#B9BBD6;font-size:12px;text-transform:uppercase;letter-spacing:.08em}
.side-tool .tc-icon{background:rgba(255,255,255,.12);color:#fff}

/* prose */
.prose{font:400 18.5px/1.7 var(--text);color:#1E2040;max-width:780px}
.prose>*:first-child{margin-top:0}
.prose h2{font:600 clamp(24px,2.4vw,30px)/1.2 var(--ui);margin:52px 0 16px;padding-left:22px;position:relative}
.prose h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:var(--track);border-radius:3px;background:var(--sec)}
.prose h3{font:600 21px/1.3 var(--ui);margin:32px 0 10px}
.prose p{margin:0 0 16px}
.prose a{color:var(--ink);text-decoration-color:var(--sec);text-decoration-thickness:2px;text-underline-offset:3px}
.prose a:hover{background:color-mix(in srgb,var(--sec) 12%,transparent)}
.prose ul,.prose ol{padding-left:26px;margin:0 0 18px}
.prose li{margin:6px 0}
.prose li::marker{color:var(--sec);font-family:var(--ui);font-weight:600}
.prose strong{font-weight:600;color:var(--ink)}
.prose sup{font:600 11px/1 var(--ui);color:var(--sec);margin-left:1px}
.prose hr{border:0;height:1px;background:var(--line);margin:36px 0}
.table-wrap{overflow-x:auto;margin:22px 0 26px;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
.prose table{border-collapse:collapse;width:100%;font:400 15.5px/1.45 var(--ui);min-width:520px}
.prose th{text-align:left;font-weight:600;background:var(--tint);padding:11px 14px;border-bottom:2px solid var(--sec)}
.prose td{padding:10px 14px;border-top:1px solid var(--line);vertical-align:top}
.prose tr:nth-child(even) td{background:#FBFAF6}
blockquote.sample{margin:22px 0 26px;padding:20px 22px 18px 22px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);position:relative;font:400 17px/1.6 var(--ui);color:var(--ink)}
blockquote.sample::before{content:"EN · пример";position:absolute;top:-11px;left:16px;padding:2px 10px;border-radius:999px;background:var(--sec);color:#fff;font:600 11.5px/1.5 var(--ui);letter-spacing:.08em;text-transform:uppercase}
blockquote.sample p{margin:0 0 8px}
blockquote.sample p:last-child{margin:0}
.callout{margin:26px 0;padding:18px 20px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);border-left:var(--track) solid var(--teal);font-size:17px}
.callout-warn{border-left-color:var(--aud)}
.callout-note{border-left-color:var(--read)}
.callout-label{font:600 12px/1 var(--ui);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.callout p:last-child{margin:0}
.prose h2#istochniki+p,.prose h2#istochniki~p{font:400 14.5px/1.5 var(--ui);color:var(--muted);margin-bottom:8px}

/* faq */
.faq{margin-top:54px}
.faq h2{font:600 clamp(24px,2.4vw,30px)/1.2 var(--ui);margin-bottom:16px}
.faq-item{border-top:1px solid var(--line);font-family:var(--ui)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;padding:16px 40px 16px 0;font-weight:600;font-size:17.5px;line-height:1.35;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";position:absolute;right:6px;top:50%;width:14px;height:14px;margin-top:-7px;border-radius:50%;border:3px solid var(--sec);background:#fff;transition:background .15s}
.faq-item[open] summary::after{background:var(--sec)}
.faq-item div{padding:0 0 18px;color:var(--ink2);font-size:16.5px;line-height:1.6}
.faq-item p{margin:0}

/* after article */
.after{padding-bottom:20px}
.pn-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0 48px}
.pn{display:block;padding:18px 20px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);text-decoration:none}
.pn:hover{border-color:var(--sec)}
.pn small{display:block;color:var(--muted);font-size:13px;margin-bottom:4px}
.pn b{font-weight:600}
.pn.next{text-align:right;grid-column:2}
.block-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:10px 20px;margin-bottom:20px}
.block-head a{font-weight:500;color:var(--ink2)}
.block-lead{color:var(--ink2);max-width:760px;margin:-6px 0 22px;font-size:16.5px}

/* stops (vertical line of pages) */
.stops{list-style:none;margin:0;padding:0;position:relative;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:28px}
.stop a{display:flex;gap:16px;padding:14px 4px 14px 0;text-decoration:none;position:relative}
.stop a::before{content:"";position:absolute;left:9px;top:0;bottom:0;width:var(--track);background:var(--sec)}
.stop-dot{flex:none;position:relative;z-index:1;width:24px;height:24px;border-radius:50%;background:#fff;border:4px solid var(--sec);margin-top:2px}
.stop-body b{display:block;font-weight:600;font-size:17px;line-height:1.3}
.stop-body small{display:block;color:var(--muted);font-size:14.5px;line-height:1.45;margin-top:4px}
.stop-badge{display:inline-block;margin-top:6px;padding:2px 9px;border-radius:999px;background:color-mix(in srgb,var(--sec) 12%,#fff);font-size:12.5px;font-weight:600;color:var(--ink2)}
.stop a:hover b{text-decoration:underline;text-decoration-color:var(--sec);text-decoration-thickness:2px}
.stop.is-cur .stop-dot{background:var(--sec)}
.stop.is-cur b{color:var(--muted)}
.sec-more{margin-top:10px}

/* hub */
.hub{padding-top:36px;padding-bottom:30px}
.hub-stations{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-bottom:36px}
.hs{display:flex;flex-direction:column;gap:4px;padding:18px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);border-top:var(--track) solid var(--sec);text-decoration:none}
.hs:hover{border-color:var(--sec)}
.hs-no{align-self:flex-start;padding:4px 12px;border-radius:999px;background:var(--sec);color:#fff;font-weight:700;margin-bottom:6px}
.hs b{font-size:18px;line-height:1.25}
.hs small{color:var(--muted);font-size:13.5px}
.hs-fmt{font-size:14.5px;line-height:1.45;color:var(--ink2);margin-top:6px}
.other-secs{margin-top:44px}
.other-secs>div{display:flex;flex-wrap:wrap;gap:8px}
.block-tools{padding:34px 24px 60px}

/* tools strip */
.tools-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.tool-card{display:flex;gap:14px;align-items:flex-start;padding:18px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);text-decoration:none;position:relative;transition:border-color .15s,transform .15s}
.tool-card:hover{border-color:var(--ink);transform:translateY(-2px)}
.tc-icon{flex:none;display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--tint);color:var(--ink)}
.tc-icon svg{width:24px;height:24px;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.tc-body b{display:block;font-weight:600;line-height:1.25}
.tc-body small{display:block;color:var(--muted);font-size:14px;line-height:1.4;margin-top:4px}
.tc-go{margin-left:auto;font-weight:600;color:var(--muted)}
.tools-grid.compact .tool-card{padding:14px}

/* home hero */
.home-hero{padding:46px 0 54px;border-bottom:1px solid var(--line);background:
  radial-gradient(circle at 1px 1px,rgba(21,23,58,.09) 1px,transparent 1.2px) 0 0/22px 22px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:48px;align-items:start}
.hero-grid>*{min-width:0}
.hero-text h1{margin-top:18px;font-size:clamp(34px,4.8vw,58px)}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.signs{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:30px}
.sign{display:flex;gap:14px;align-items:center;padding:14px 16px;border-radius:var(--r);background:var(--ink);color:#fff}
.sign b{font-size:40px;font-weight:600;line-height:1;color:var(--amber);font-variant-numeric:tabular-nums;min-width:2.2ch}
.sign span{font-size:14.5px;line-height:1.3}
.sign small{color:#B9BBD6;font-size:12.5px}

/* board */
.board{background:var(--board);color:var(--amber);border-radius:18px;padding:18px 18px 14px;box-shadow:0 18px 50px rgba(20,21,28,.25);
  background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.05) 1px,transparent 1.3px);background-size:6px 6px}
.bd-title{display:flex;justify-content:space-between;align-items:center;font:600 14px/1 var(--ui);letter-spacing:.16em;text-transform:uppercase;color:#fff;padding:2px 4px 14px;border-bottom:1px solid rgba(255,255,255,.12)}
.bd-clock{color:var(--amber);font-variant-numeric:tabular-nums;letter-spacing:.08em}
.bd-list{list-style:none;margin:0;padding:0}
.bd-list a{display:grid;grid-template-columns:76px minmax(0,1fr) auto;grid-template-areas:"d t l" "d s l";gap:2px 12px;padding:11px 4px;border-bottom:1px dashed rgba(255,255,255,.12);text-decoration:none;align-items:center}
.bd-list li:last-child a{border-bottom:0}
.bd-list a:hover .bd-txt{text-decoration:underline}
.bd-date{grid-area:d;font:600 17px/1 var(--ui);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.bd-txt{grid-area:t;color:#F2F0E6;font-size:14.5px;line-height:1.3}
.bd-st{grid-area:s;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:#8E90A8}
.bd-left{grid-area:l;font:600 14px/1 var(--ui);color:var(--amber2);white-space:nowrap;font-variant-numeric:tabular-nums}
.bd-exp .bd-date{color:#8E90A8}
.bd-rule .bd-st{color:var(--amber2)}
.bd-done{opacity:.45}
.bd-done .bd-date{text-decoration:line-through}
.bd-foot{font-size:12px;color:#8E90A8;padding:10px 4px 0;border-top:1px solid rgba(255,255,255,.12);margin-top:4px}
.board-404 .bd-msg{color:#F2F0E6;font-size:18px;margin:16px 4px 6px}

/* route map */
.block{padding-top:56px;padding-bottom:10px}
.route{display:flex;gap:0;padding:44px 6px 6px;overflow:visible}
.rseg{flex:var(--n) 1 0;position:relative;min-width:0}
.seg-name{position:absolute;top:-40px;left:0;display:inline-flex;align-items:baseline;gap:8px;text-decoration:none;font-weight:600;font-size:15px;color:var(--c);white-space:nowrap}
.seg-name small{color:var(--muted);font-weight:500}
.seg-name:hover{text-decoration:underline}
.seg-stops{list-style:none;margin:0;padding:0;display:flex;position:relative}
.seg-stops::before{content:"";position:absolute;left:0;right:0;top:15px;height:10px;background:var(--c)}
.rseg:first-child .seg-stops::before{left:14px;border-radius:5px 0 0 5px}
.rseg:last-child .seg-stops::before{right:14px;border-radius:0 5px 5px 0}
.rseg+.rseg .seg-stops::after{content:"";position:absolute;left:-14px;top:6px;width:28px;height:28px;border-radius:50%;background:#fff;border:4px solid var(--ink);z-index:2}
.stn{flex:1 1 0;min-width:0;display:flex;justify-content:center}
.stn-btn{display:flex;flex-direction:column;align-items:center;gap:4px;background:none;border:0;padding:0 4px 6px;cursor:pointer;text-align:center;max-width:140px}
.stn-dot{position:relative;z-index:3;width:30px;height:30px;margin-top:5px;border-radius:50%;background:#fff;border:5px solid var(--c);transition:transform .15s,background .15s}
.stn-btn:hover .stn-dot{transform:scale(1.12)}
.stn-btn.is-on .stn-dot{background:var(--c);box-shadow:0 0 0 5px color-mix(in srgb,var(--c) 22%,transparent)}
.stn-no{font-weight:700;font-size:15px;margin-top:6px}
.stn-name{font-size:13px;line-height:1.25;color:var(--muted)}
.stn-btn.is-on .stn-name{color:var(--ink)}
.rseg:nth-child(n+2) .stn:first-child .stn-btn{padding-left:18px}
.stn-panels{margin-top:22px}
.stn-panel{display:grid;grid-template-columns:minmax(0,1.2fr) auto minmax(0,1fr);gap:8px 28px;align-items:start;padding:22px 24px;border-radius:18px;background:var(--card);border:1px solid var(--line);border-left:10px solid var(--c)}
.stn-panel[hidden]{display:none}
.sp-head{display:flex;gap:14px;align-items:center;grid-column:1}
.sp-no{flex:none;display:grid;place-items:center;min-width:58px;height:58px;padding:0 10px;border-radius:29px;background:var(--c);color:#fff;font-weight:700;font-size:20px}
.sp-head small{display:block;color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.06em}
.sp-head b{display:block;font-size:22px;line-height:1.2}
.sp-facts{display:flex;gap:24px;margin:0;grid-column:2;grid-row:1}
.sp-facts dt{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.sp-facts dd{margin:2px 0 0;font-weight:600;font-size:18px;white-space:nowrap}
.sp-fmt{grid-column:1/3;margin:6px 0 0;font:400 17px/1.5 var(--text)}
.sp-tip{grid-column:3;grid-row:1/3;margin:0;padding:14px 16px;border-radius:12px;background:var(--tint);font-size:15px;line-height:1.45}
.sp-go{grid-column:1/-1;justify-self:start;font-weight:600;margin-top:4px}

/* points & scale */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.two-col>*{min-width:0}
.pbar{display:flex;gap:4px;border-radius:12px;overflow:hidden}
.pbar span{background:var(--c);color:#fff;padding:12px 10px;min-width:0}
.pbar b{display:block;font-size:24px;line-height:1}
.pbar small{display:block;font-size:12.5px;opacity:.92;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:4px}
.scale-box{margin-top:22px;padding:20px;border-radius:var(--r);background:var(--card);border:1px solid var(--line)}
.sc-label{display:block;font-weight:500;margin-bottom:14px}
.sc-label output{font-weight:700;font-size:22px}
.sc-track{position:relative;padding-top:4px}
.sc-track input[type=range]{width:100%;margin:0;accent-color:var(--ink);height:28px}
.zones{display:flex;gap:3px;margin-top:6px}
.z{padding:7px 8px;border-radius:8px;font-size:13px;min-width:0}
.z b{display:block;font-size:15px}
.z small{color:inherit;opacity:.8}
.z2{background:#F3D9DA;color:#7E1A20}.z3{background:#F6E6C8;color:#7A4D00}.z4{background:#D6E9DD;color:#0D5A34}.z5{background:#D6E0F4;color:#173A84}
.prof{position:absolute;top:-22px;transform:translateX(-50%);font-size:12px;font-weight:600;white-space:nowrap;color:var(--ink2)}
.prof i{position:absolute;left:50%;top:16px;width:2px;height:40px;background:var(--ink);opacity:.5}
.sc-res{font-weight:600;font-size:18px;margin:16px 0 6px}
.sc-note{font-size:13.5px;color:var(--muted);margin:0;line-height:1.45}
.oralbar{display:flex;gap:3px;border-radius:12px;overflow:hidden;margin-top:4px}
.ob{min-width:0;padding:10px 8px;color:#fff;background:var(--oral)}
.ob.oral1{background:#C97800}.ob.oral2{background:#E08600}.ob.oral3{background:#F0A030;color:#2A1A00}
.ob.rest{background:var(--tint);color:var(--muted)}
.ob b{display:block;font-size:17px;line-height:1.1;font-variant-numeric:tabular-nums}
.ob small{display:block;font-size:12px;line-height:1.25;margin-top:3px}
.ob-legend{display:flex;gap:16px;margin-top:8px;font-size:13px;color:var(--muted)}
.ob-legend span::before{content:"";display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:6px;vertical-align:-1px;background:#C97800}
.ob-legend .oral2::before{background:#E08600}.ob-legend .oral3::before{background:#F0A030}
.oral-notes{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:8px}
.oral-notes li{padding:10px 14px;border-radius:10px;background:var(--card);border:1px solid var(--line);font-size:15.5px}

/* line cards */
.line-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.line-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.lc-head{display:flex;align-items:center;gap:10px;padding:14px 16px;text-decoration:none;border-bottom:var(--track) solid var(--c)}
.lc-head i{width:22px;height:22px;border-radius:50%;border:5px solid var(--c);background:#fff;flex:none}
.lc-head b{font-size:18px}
.lc-head small{margin-left:auto;color:var(--muted);font-size:13px}
.line-card ul{list-style:none;margin:0;padding:10px 16px 14px}
.line-card li a{display:block;padding:4px 0;text-decoration:none;font-size:15px;color:var(--ink2)}
.line-card li a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--c)}
.home-faq{padding-bottom:60px}
.home-faq .faq{margin-top:0}
.root-links{margin-top:26px}

/* footer */
.site-footer{background:var(--ink);color:#D9DAEA;padding:52px 0 30px;margin-top:30px}
.f-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:28px 24px}
.f-col h3{font:600 15px/1.3 var(--ui);margin:0 0 10px;padding-bottom:8px;border-bottom:4px solid var(--c)}
.f-col h3 a{text-decoration:none;color:#fff}
.f-col h3.f-sub{margin-top:20px;border-bottom-color:#B9BBD6}
.f-col ul{list-style:none;margin:0;padding:0}
.f-col li a{display:block;padding:3px 0;font-size:14px;text-decoration:none;color:#C9CBE0}
.f-col li a:hover{color:#fff;text-decoration:underline}
.f-bottom{margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);font-size:13.5px;color:#A9ABC6}
.f-bottom p{max-width:900px;margin:0 0 12px}
.f-meta{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.li-counter{opacity:.75}

/* tools pages */
.tool-head{padding-bottom:36px}
.tool-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:28px;padding-top:34px;padding-bottom:30px;align-items:start}
.tool-grid>*{min-width:0}
.panel{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px}
.tool-side{display:flex;flex-direction:column;gap:16px;position:sticky;top:130px}
.note-card{background:var(--tint);border-radius:var(--r);padding:18px;font-size:15px;line-height:1.5}
.note-card p{margin:0 0 10px}
.note-card ul{margin:0;padding-left:18px}
.note-card li{margin:4px 0}
.note-card.wide{margin-top:24px;max-width:900px}
.tool-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.lbl{display:block;font-weight:600;margin-bottom:8px}
.segs{display:flex;flex-wrap:wrap;gap:6px}
label.seg{position:relative}
label.seg input{position:absolute;opacity:0;pointer-events:none}
label.seg span{display:inline-block;padding:8px 14px;border-radius:999px;border:1.5px solid var(--line);background:var(--card);cursor:pointer;font-weight:500;font-size:15px}
label.seg input:checked+span{background:var(--ink);border-color:var(--ink);color:#fff}
label.seg input:focus-visible+span{outline:3px solid var(--amber);outline-offset:2px}
.chk{display:flex;gap:10px;align-items:center;cursor:pointer;font-size:15px}
.chk input{width:20px;height:20px;accent-color:var(--ink)}
.tools-big{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.tool-big{display:flex;flex-direction:column;gap:8px;padding:24px;border-radius:18px;background:var(--card);border:1px solid var(--line);text-decoration:none}
.tool-big:hover{border-color:var(--ink)}
.tool-big b{font-size:22px}
.tool-big>span:not(.tc-icon){color:var(--ink2)}
.tool-big .tc-go{margin:8px 0 0;color:var(--ink);font-weight:600}

/* calculator */
.kc-form{display:grid;gap:16px}
.kc-group{border:1px solid var(--line);border-left:var(--track) solid var(--c);border-radius:12px;padding:12px 16px 8px;margin:0}
.kc-group legend{font-weight:600;padding:0 6px;font-size:16px}
.kc-group legend small{color:var(--muted);font-weight:500;margin-left:6px}
.row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 0;border-top:1px dashed var(--line)}
.row:first-of-type{border-top:0}
.row label b{display:block;font-weight:500}
.row label small{display:block;color:var(--muted);font-size:13px}
.stepper{display:flex;align-items:center;gap:6px;flex:none}
.stepper button{width:36px;height:36px;border-radius:50%;border:1.5px solid var(--line);background:var(--paper);cursor:pointer;font-size:18px;line-height:1}
.stepper button:hover{border-color:var(--c)}
.stepper input{width:52px;height:38px;text-align:center;border:1.5px solid var(--line);border-radius:10px;font-weight:600;font-size:17px;-moz-appearance:textfield}
.stepper input::-webkit-inner-spin-button{-webkit-appearance:none}
.st-max{font-size:13px;color:var(--muted);width:40px}
.kc-rule{margin:6px 0 8px;padding:8px 12px;border-radius:8px;background:#F3D9DA;color:#7E1A20;font-size:14px}
.kr-score{display:flex;align-items:baseline;gap:8px}
.kr-score b{font-size:64px;line-height:1;font-weight:600;font-variant-numeric:tabular-nums}
.kr-score span{color:var(--muted);font-size:18px}
.kr-grade{display:inline-block;margin:10px 0 14px;padding:6px 16px;border-radius:999px;font-weight:700;font-size:22px;background:#F3D9DA;color:#7E1A20}
.kr-grade.g3{background:#F6E6C8;color:#7A4D00}.kr-grade.g4{background:#D6E9DD;color:#0D5A34}.kr-grade.g5{background:#D6E0F4;color:#173A84}
.kr-bars{display:grid;gap:7px}
.kb{display:grid;grid-template-columns:96px 1fr 42px;gap:8px;align-items:center;font-size:13.5px}
.kb .t{height:8px;border-radius:4px;background:var(--tint);overflow:hidden}
.kb .t i{display:block;height:100%;background:var(--c)}
.kb .v{text-align:right;font-variant-numeric:tabular-nums;color:var(--muted)}
.kr-next,.kr-prof{font-size:15px;margin:12px 0 0;line-height:1.45}

/* word counter */
textarea#wc-text{width:100%;min-height:300px;padding:16px;border:1.5px solid var(--line);border-radius:12px;background:#FDFCF9;font:400 17px/1.6 var(--text);resize:vertical}
textarea#wc-text:focus{border-color:var(--ink);outline:none}
.wc-gauge{position:relative;display:flex;height:12px;border-radius:6px;overflow:hidden;margin:14px 0 4px}
.wc-gauge span{display:block;height:100%}
.wc-gauge .g0{flex:90;background:#E7B3B6}.wc-gauge .g1{flex:10;background:#F2D49A}.wc-gauge .g2{flex:20;background:#9DCFB0}.wc-gauge .g3{flex:12;background:#F2D49A}.wc-gauge .g4{flex:18;background:#E7B3B6}
.wc-gauge i{position:absolute;top:-3px;width:4px;height:18px;border-radius:2px;background:var(--ink);left:0;transition:left .2s}
.wc-ticks{position:relative;height:18px;font-size:11.5px;color:var(--muted);margin-bottom:10px}
.wc-ticks span{position:absolute;transform:translateX(-50%)}
.wc-verdict{font-weight:600;margin:4px 0 16px;line-height:1.4}
.wc-checks{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.wc-checks li{display:flex;gap:10px;font-size:14.5px;line-height:1.35}
.wc-checks li::before{content:"";flex:none;width:18px;height:18px;border-radius:50%;margin-top:1px;background:var(--tint);border:2px solid var(--line)}
.wc-checks li.ok::before{background:var(--gram);border-color:var(--gram);box-shadow:inset 0 0 0 3px #fff}
.wc-checks li.bad::before{background:var(--aud);border-color:var(--aud);box-shadow:inset 0 0 0 3px #fff}
.wc-preview{margin-top:20px}
.wc-pv{padding:14px 16px;border-radius:12px;background:var(--paper);font:400 16px/1.6 var(--text);white-space:pre-wrap}
.wc-pv .cut{color:#A2A3B3;text-decoration:line-through}

/* timer */
.tm-opts{display:grid;gap:16px}
.tm-checks{display:flex;flex-wrap:wrap;gap:10px 22px}
.tm-stage{display:grid;grid-template-columns:220px minmax(0,1fr);gap:28px;align-items:center;margin-top:24px}
.tm-ring{position:relative;width:220px;height:220px}
.tm-ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.rg-bg{fill:none;stroke:var(--tint);stroke-width:10}
.rg-fg{fill:none;stroke:var(--oral);stroke-width:10;stroke-linecap:round;stroke-dasharray:326.7;stroke-dashoffset:0;transition:stroke-dashoffset .25s linear}
.tm-time{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px}
.tm-time b{font-size:52px;font-weight:600;line-height:1;font-variant-numeric:tabular-nums}
.tm-time small{color:var(--muted);font-size:14px;line-height:1.3;margin-top:8px}
.tm-steps{list-style:none;margin:0;padding:0;position:relative}
.tm-steps::before{content:"";position:absolute;left:8px;top:12px;bottom:12px;width:4px;background:var(--oral);border-radius:2px}
.tm-steps li{display:flex;gap:12px;align-items:center;padding:6px 0;font-size:15px;color:var(--muted)}
.tm-steps li::before{content:"";position:relative;z-index:1;flex:none;width:20px;height:20px;border-radius:50%;background:#fff;border:4px solid var(--oral)}
.tm-steps li.on{color:var(--ink);font-weight:600}
.tm-steps li.on::before{background:var(--oral)}
.tm-steps li.done{text-decoration:line-through}
.tm-steps li span{margin-left:auto;font-variant-numeric:tabular-nums}
.tm-card{margin-top:24px;padding:20px 22px;border-radius:14px;background:var(--paper);border:1px dashed var(--line);font:400 18px/1.65 var(--text);min-height:120px}
.tm-card h3{font:600 13px/1.2 var(--ui);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 10px}
.tm-card ul{margin:8px 0 0;padding-left:22px}
.tm-card .q{font-size:24px;line-height:1.4;font-family:var(--ui);font-weight:500}
.tm-card .hint{font:400 14px/1.4 var(--ui);color:var(--muted);margin-top:10px}
.tm-recs ol{padding-left:20px}
.tm-recs li{margin:8px 0}
.tm-recs audio{display:block;width:100%;max-width:420px;margin-top:4px}

/* trainer */
.tr-modes{margin-bottom:16px}
.tr-progress{display:flex;justify-content:space-between;font-weight:500;color:var(--muted);font-size:14.5px}
.tr-bar{height:6px;border-radius:3px;background:var(--tint);margin:8px 0 20px;overflow:hidden}
.tr-bar i{display:block;height:100%;width:0;background:var(--gram);transition:width .25s}
.tr-card{padding:22px;border-radius:14px;background:var(--paper)}
.tr-sent{font:400 22px/1.55 var(--text);margin:0 0 18px}
.tr-sent .gap{display:inline-block;min-width:90px;border-bottom:2px solid var(--ink);margin:0 4px}
.tr-sent .base{font:700 15px/1 var(--ui);letter-spacing:.06em;color:var(--gram);margin-left:8px;padding:4px 8px;border-radius:6px;background:#fff;border:1px solid var(--line);vertical-align:middle;white-space:nowrap}
.tr-form{display:flex;gap:10px;flex-wrap:wrap}
.tr-form input{flex:1 1 200px;min-width:0;height:48px;padding:0 14px;border:1.5px solid var(--line);border-radius:12px;font-size:18px;background:#fff}
.tr-form input:focus{border-color:var(--ink);outline:none}
.tr-fb{margin-top:14px;font-size:15.5px;line-height:1.5;min-height:24px}
.tr-fb.ok b{color:var(--gram)}
.tr-fb.bad b{color:var(--aud)}
.tr-end{margin-top:20px;padding:18px;border-radius:12px;background:var(--tint)}
.tr-end ul{margin:8px 0 0;padding-left:20px}

/* sitemap */
.sitemap-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;padding-top:34px;padding-bottom:40px}
.sitemap-grid h2{font-size:20px;margin-bottom:8px}
.sitemap-grid ul{margin:0;padding-left:18px}
.sitemap-grid li{margin:4px 0}

/* responsive */
@media (max-width:1100px){
  .tools-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .line-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .f-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .hero-grid{grid-template-columns:1fr}
  .stn-panel{grid-template-columns:minmax(0,1fr) auto}
  .sp-tip{grid-column:1/-1;grid-row:auto}
}
@media (max-width:960px){
  .a-grid{grid-template-columns:1fr;gap:10px}
  .a-side{order:2}
  .side-sticky{position:static}
  .a-side .toc{display:none}
  .tool-grid{grid-template-columns:1fr}
  .tool-side{position:static}
  .two-col{grid-template-columns:1fr}
  .header-cta{display:none}
}
@media (max-width:820px){
  .route{flex-direction:column;padding:6px 0 0}
  .rseg{flex:none}
  .seg-name{position:static;display:flex;margin:14px 0 6px 50px}
  .seg-stops{flex-direction:column}
  .seg-stops::before{left:14px!important;right:auto!important;top:0;bottom:0;width:10px;height:auto;border-radius:0!important}
  .rseg:first-child .seg-stops::before{top:18px}
  .rseg:last-child .seg-stops::before{bottom:18px}
  .rseg+.rseg .seg-stops::after{display:none}
  .stn{justify-content:flex-start}
  .stn-btn{flex-direction:row;max-width:none;gap:12px;padding:6px 0;text-align:left;align-items:center}
  .rseg:nth-child(n+2) .stn:first-child .stn-btn{padding-left:0}
  .stn-dot{margin:0 0 0 4px}
  .stn-no{margin:0;min-width:44px}
  .stn-name{font-size:14.5px}
  .stn-panel{grid-template-columns:1fr;border-left-width:6px;padding:18px}
  .sp-facts{grid-column:1;grid-row:auto}
  .sp-fmt{grid-column:1}
  .stops{grid-template-columns:1fr}
  .tools-big{grid-template-columns:1fr}
  .sitemap-grid{grid-template-columns:1fr 1fr}
  .tm-stage{grid-template-columns:1fr;justify-items:center}
}
@media (max-width:640px){
  body{font-size:16px}
  .wrap{padding-left:16px;padding-right:16px}
  .oralbar .ob small{display:none}
  .ob b{font-size:14px}
  .bd-date{font-size:14px}
  .block-tools{padding:28px 16px 48px}
  .header-inner{height:58px}
  .logo-text span{display:none}
  .menu-toggle{display:inline-grid}
  .main-nav{display:none;border-top:1px solid var(--line)}
  .main-nav.open{display:block;position:absolute;left:0;right:0;top:100%;box-shadow:0 20px 40px rgba(0,0,0,.12)}
  .nav-inner{flex-direction:column;padding:6px 16px 12px}
  .main-nav a{border-bottom:1px solid var(--line);padding:13px 4px}
  .main-nav a[aria-current=page]{border-bottom-color:var(--line);font-weight:600}
  .tools-grid,.line-grid{grid-template-columns:1fr}
  .f-grid{grid-template-columns:1fr 1fr}
  .signs{grid-template-columns:1fr}
  .pn-row{grid-template-columns:1fr}
  .pn.next{grid-column:1}
  .prose{font-size:17.5px}
  .prose h2{margin-top:40px}
  .pbar small{display:none}
  .zones .z small{display:none}
  .bd-list a{grid-template-columns:70px minmax(0,1fr);grid-template-areas:"d t" "d s" "d l"}
  .bd-left{font-size:13px}
  .sitemap-grid{grid-template-columns:1fr}
  .kr-score b{font-size:52px}
  .row{flex-wrap:wrap}
  .kb{grid-template-columns:84px 1fr 40px}
  .tm-ring{width:190px;height:190px}
}
@media print{
  .site-header,.site-footer,.a-side,.after,.block-tools,.search-modal{display:none!important}
  body{background:#fff}
  .a-grid{display:block}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}