:root{
  --navy:#0b263b;--blue:#126a9c;--blue-dark:#0b5d8a;--sky:#dceef7;
  --paper:#f4f7f9;--white:#fff;--text:#10283b;--muted:#637989;--line:#d5e1e8;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:Arial,Helvetica,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.rules-shell{width:min(1180px,calc(100% - 48px));margin-inline:auto}
.rules-header{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);background:rgba(255,255,255,.94);backdrop-filter:blur(14px)}
.rules-header .rules-shell{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.rules-brand{display:inline-flex;align-items:baseline;gap:6px}
.rules-brand b{font-size:22px;color:var(--blue);font-style:italic;letter-spacing:-.05em}
.rules-brand span{font-size:18px;color:var(--navy)}
.rules-back{font-size:14px;font-weight:700;color:#587083}
.rules-back:hover{color:var(--blue)}
.rules-hero{padding:76px 0 58px;background:
  radial-gradient(circle at 93% 12%,rgba(18,106,156,.10) 0 9%,transparent 9.2%),
  linear-gradient(180deg,#fff 0%,#f4f7f9 100%)}
.rules-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:76px;align-items:end}
.rules-kicker{margin:0 0 14px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
.rules-hero h1{max-width:720px;margin:0;font-size:clamp(48px,6vw,78px);line-height:.96;letter-spacing:-.055em}
.rules-lead{max-width:700px;margin:24px 0 0;color:var(--muted);font-size:18px;line-height:1.58}
.rules-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.rules-button{min-height:50px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:12px;padding:0 20px;background:#fff;font-weight:800;transition:.2s ease}
.rules-button:hover{transform:translateY(-1px);border-color:#a9c0cf}
.rules-button.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.rules-button.primary:hover{background:var(--blue-dark)}
.rules-dates{display:grid;gap:10px}
.rules-dates article{padding:17px 20px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.86)}
.rules-dates span{display:block;color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.09em;text-transform:uppercase}
.rules-dates strong{display:block;margin-top:7px;font-size:17px;line-height:1.3}
.rules-summary{padding:24px 0 76px}
.rules-summary-card{border:1px solid var(--line);border-radius:26px;background:var(--navy);color:#fff;padding:34px}
.rules-summary-card .rules-kicker{color:#72bfe4}
.rules-summary-card h2{margin:0 0 30px;font-size:clamp(32px,4vw,50px);line-height:1.05;letter-spacing:-.04em}
.rules-summary-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.18)}
.rules-summary-grid article{padding:26px 24px 4px 0}
.rules-summary-grid article+article{padding-left:24px;border-left:1px solid rgba(255,255,255,.16)}
.rules-summary-grid span{color:#77c6ea;font-size:12px;font-weight:800}
.rules-summary-grid h3{margin:18px 0 9px;font-size:21px}
.rules-summary-grid p{margin:0;color:#c6d6df;line-height:1.5;font-size:14px}
.rules-document{padding:0 0 92px}
.rules-document-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:22px}
.rules-document-head h2{margin:0;font-size:clamp(34px,4vw,54px);line-height:1;letter-spacing:-.045em}
.rules-pdf{width:100%;height:min(82vh,940px);min-height:680px;display:grid;place-items:center;border:1px solid var(--line);border-radius:20px;background:#e9f0f4;box-shadow:0 22px 60px rgba(11,38,59,.08)}
.rules-footer{border-top:1px solid var(--line);background:#fff}
.rules-footer .rules-shell{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px;color:var(--muted);font-size:13px}
.rules-footer span{font-weight:800;color:var(--navy)}
.rules-footer a:hover{color:var(--blue)}
@media(max-width:840px){
  .rules-shell{width:min(100% - 32px,700px)}
  .rules-hero{padding-top:54px}
  .rules-hero-grid{grid-template-columns:1fr;gap:36px}
  .rules-summary-grid{grid-template-columns:1fr 1fr}
  .rules-summary-grid article:nth-child(3){border-left:0;padding-left:0}
  .rules-summary-grid article:nth-child(n+3){margin-top:20px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16)}
}
@media(max-width:560px){
  .rules-shell{width:min(100% - 24px,500px)}
  .rules-header .rules-shell{min-height:64px}
  .rules-back{font-size:0}.rules-back::after{content:"← Назад";font-size:13px}
  .rules-hero{padding:42px 0}
  .rules-hero h1{font-size:44px}
  .rules-lead{font-size:16px}
  .rules-actions{flex-direction:column}.rules-button{width:100%}
  .rules-summary{padding-bottom:54px}
  .rules-summary-card{padding:24px 20px}
  .rules-summary-grid{grid-template-columns:1fr}
  .rules-summary-grid article+article,.rules-summary-grid article:nth-child(3){border-left:0;padding-left:0}
  .rules-summary-grid article:nth-child(n+2){margin-top:16px;padding-top:18px;border-top:1px solid rgba(255,255,255,.16)}
  .rules-document{padding-bottom:64px}
  .rules-pdf{min-height:520px;border-radius:14px}
  .rules-footer .rules-shell{min-height:72px;flex-direction:column;align-items:flex-start;justify-content:center;gap:6px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:.01ms!important}}