:root {
  --accent: #2563eb;
  --accent-ink: #ffffff;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --ink: #111827;
  --ink-2: #374151;
  --muted: #6b7280;
  --line: #e5e7eb;
  --radius: 14px;
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; min-height: 100vh;
  display: flex; flex-direction: column;
  font-family: var(--font); font-size: 17px; line-height: 1.7;
  color: var(--ink-2); background: var(--bg);
  overflow-x: hidden; -webkit-font-smoothing: antialiased;
}
img, svg, video { max-width: 100%; }
img { display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }

.wrap { width: 100%; max-width: 920px; margin: 0 auto; padding: 0 24px; }

.header { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 64px; }
.logo { display: inline-flex; }
.logo img { width: auto; height: 34px; }
.age { display: grid; place-items: center; width: 36px; height: 36px; border: 2px solid var(--ink); border-radius: 50%; font-size: 12px; font-weight: 700; color: var(--ink); }

.main { flex: 1 0 auto; padding: 48px 0 72px; }

.content { font-size: 17px; line-height: 1.75; overflow-wrap: break-word; }
.content > :first-child { margin-top: 0; }
.content > :last-child { margin-bottom: 0; }
.content h1, .content h2, .content h3, .content h4, .content h5, .content h6 { color: var(--ink); font-weight: 700; line-height: 1.25; letter-spacing: -.015em; }
.content h1 { font-size: 40px; margin: 0 0 18px; }
.content h2 { font-size: 28px; margin: 48px 0 14px; }
.content h3 { font-size: 22px; margin: 34px 0 10px; }
.content h4 { font-size: 19px; margin: 26px 0 10px; }
.content h5, .content h6 { font-size: 17px; margin: 22px 0 8px; }
.content p { margin: 0 0 18px; }
.content a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.content a:hover { text-decoration-thickness: 2px; }
.content strong, .content b { color: var(--ink); font-weight: 700; }
.content mark { padding: 0 4px; border-radius: 4px; background: #fef3c7; color: var(--ink); }
.content small { font-size: 14px; color: var(--muted); }
.content ul, .content ol { margin: 0 0 20px; padding-left: 24px; }
.content li { margin-bottom: 6px; }
.content li > ul, .content li > ol { margin: 6px 0 0; }
.content ul li::marker, .content ol li::marker { color: var(--accent); }
.content ol li::marker { font-weight: 700; }
.content img { display: block; max-width: 100%; height: auto; margin: 28px auto; border-radius: var(--radius); }
.content figure { margin: 28px 0; }
.content figure img { margin: 0 auto; }
.content figcaption { margin-top: 8px; font-size: 14px; text-align: center; color: var(--muted); }
.content table {
  display: block; width: 100%; max-width: 100%; margin: 28px 0; overflow-x: auto;
  border-collapse: collapse; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); font-size: 15.5px; -webkit-overflow-scrolling: touch;
}
.content thead, .content tbody, .content tfoot { display: table; width: 100%; min-width: 540px; }
.content tr { display: table-row; }
.content caption { padding: 0 0 10px; font-size: 14px; color: var(--muted); text-align: left; }
.content th { padding: 13px 16px; text-align: left; font-weight: 600; color: var(--ink); background: #f3f4f6; }
.content td { padding: 12px 16px; border-top: 1px solid var(--line); vertical-align: top; }
.content blockquote { margin: 28px 0; padding: 18px 22px; border-left: 3px solid var(--accent); border-radius: 0 var(--radius) var(--radius) 0; background: var(--surface); color: var(--ink); font-style: italic; }
.content blockquote p:last-child { margin-bottom: 0; }
.content hr { height: 1px; margin: 40px 0; border: 0; background: var(--line); }
.content code { padding: 2px 6px; border-radius: 6px; background: #eef0f3; font-size: .9em; color: var(--ink); }
.content pre { margin: 28px 0; padding: 16px; overflow-x: auto; border-radius: var(--radius); background: var(--ink); color: #f9fafb; }
.content pre code { padding: 0; background: none; color: inherit; }
.content iframe, .content video { display: block; width: 100%; max-width: 100%; height: auto; aspect-ratio: 16 / 9; margin: 28px 0; border: 0; border-radius: var(--radius); }
.content dl { margin: 0 0 20px; }
.content dt { font-weight: 700; color: var(--ink); }
.content dd { margin: 0 0 10px 18px; }
.content details { margin: 0 0 10px; padding: 16px 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.content summary { cursor: pointer; font-weight: 600; color: var(--ink); }
.content details[open] summary { margin-bottom: 8px; }
.content details > :last-child { margin-bottom: 0; }

.content .offers { display: grid; gap: 12px; margin: 32px 0 40px; padding: 0; list-style: none; counter-reset: offer; }
.content .offers li { margin: 0; }
.offer {
  display: grid; grid-template-columns: 28px 150px minmax(0, 1fr) auto; gap: 20px; align-items: center;
  padding: 16px 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface);
  transition: border-color .2s, box-shadow .2s;
}
.offer:hover { border-color: var(--accent); box-shadow: 0 8px 24px rgba(17, 24, 39, .06); }
.offer__rank { font-size: 15px; font-weight: 700; color: var(--muted); text-align: center; }
.offer__rank::before { counter-increment: offer; content: counter(offer); }
.content .offer__logo { display: block; overflow: hidden; border-radius: 10px; aspect-ratio: 2 / 1; background: var(--ink); }
.content .offer__logo img { width: 100%; height: 100%; margin: 0; border-radius: 0; object-fit: cover; }
.content .offer__name { margin: 0 0 2px; font-size: 18px; font-weight: 700; line-height: 1.3; color: var(--ink); }
.content .offer__bonus { margin: 0; font-size: 15.5px; line-height: 1.5; color: var(--ink-2); }
.content .offer__btn, .offer__btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 22px;
  border-radius: 10px; background: var(--accent); color: var(--accent-ink);
  font-size: 15px; font-weight: 600; text-decoration: none; white-space: nowrap;
  transition: filter .2s, transform .2s;
}
.content .offer__btn:hover, .offer__btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
.content .offers__note { margin: -28px 0 40px; font-size: 13px; color: var(--muted); }

.footer { margin-top: auto; padding: 32px 0; border-top: 1px solid var(--line); background: var(--surface); font-size: 14px; color: var(--muted); }
.footer__row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 24px; }
.footer__row + .footer__row { margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line); }
.footer__links, .footer__orgs { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; margin: 0; padding: 0; list-style: none; }
.footer a:hover { color: var(--ink); }
.footer__orgs a { display: inline-flex; align-items: center; gap: 4px; font-weight: 600; color: var(--ink-2); }
.footer__orgs a::after { content: "↗"; font-size: 12px; }
.footer p { margin: 0; }

.to-top {
  position: fixed; right: 20px; bottom: 20px; z-index: 40;
  display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  background: var(--ink); color: #fff; font-size: 18px; box-shadow: 0 8px 20px rgba(17, 24, 39, .2);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .3s, visibility .3s, transform .3s;
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }

.error-page { flex: 1 0 auto; display: grid; place-items: center; padding: 80px 24px; text-align: center; }
.error-page .error-page__code { margin: 0; font-size: 120px; font-weight: 800; line-height: 1; letter-spacing: -.04em; color: var(--accent); }
.error-page h1 { margin: 16px 0 10px; font-size: 30px; color: var(--ink); }
.error-page p { max-width: 460px; margin: 0 auto 26px; color: var(--muted); }
.error-page a { display: inline-flex; align-items: center; min-height: 46px; padding: 0 24px; border-radius: 10px; background: var(--accent); color: var(--accent-ink); font-weight: 600; }

@media (max-width: 720px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .header__inner { height: 58px; }
  .logo img { height: 30px; }
  .main { padding: 32px 0 56px; }
  .content { font-size: 16px; line-height: 1.7; }
  .content h1 { font-size: 30px; }
  .content h2 { font-size: 24px; margin-top: 38px; }
  .content h3 { font-size: 20px; }
  .content h4 { font-size: 18px; }
  .offer { grid-template-columns: 24px 110px minmax(0, 1fr); gap: 12px 14px; padding: 14px; }
  .content .offer__name { font-size: 16.5px; }
  .content .offer__bonus { font-size: 14.5px; }
  .content .offer__btn, .offer__btn { grid-column: 1 / -1; width: 100%; }
  .footer__row { flex-direction: column; align-items: flex-start; }
  .error-page .error-page__code { font-size: 88px; }
  .to-top { right: 14px; bottom: 14px; }
}
@media (max-width: 380px) {
  .offer { grid-template-columns: 20px 96px minmax(0, 1fr); }
  .content h1 { font-size: 26px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

.ico { display: inline-flex; align-items: center; justify-content: center; flex: none; width: 1.2em; height: 1.2em; font-family: 'Apple Color Emoji', 'Segoe UI Emoji', 'Noto Color Emoji', sans-serif; font-style: normal; line-height: 1; }
.header__inner { gap: 20px; }
.nav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav a { display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; border-radius: 999px; font-size: 14.5px; font-weight: 500; color: var(--ink-2); white-space: nowrap; transition: background .2s, color .2s; }
.nav a:hover { background: #f1f2f5; color: var(--ink); }
.header__right { display: flex; align-items: center; gap: 12px; }
.hbtn { display: inline-flex; align-items: center; gap: 6px; height: 38px; padding: 0 16px; border-radius: 999px; background: linear-gradient(135deg, #ef4444, #dc2626); color: #fff; font-size: 14px; font-weight: 700; white-space: nowrap; box-shadow: 0 6px 16px rgba(220, 38, 38, .3); transition: transform .2s, box-shadow .2s; }
.hbtn:hover { transform: translateY(-1px); box-shadow: 0 10px 22px rgba(220, 38, 38, .38); }

.content .cta { display: flex; flex-direction: column; align-items: center; gap: 12px; margin: 8px 0 48px; padding: 32px 20px; border-radius: 20px; background: radial-gradient(600px 200px at 50% 0%, rgba(239, 68, 68, .12), transparent 70%), var(--surface); border: 1px solid #fde2e2; text-align: center; }
.content .cta__btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px; overflow: hidden;
  min-height: 62px; padding: 0 40px; border-radius: 999px;
  background: linear-gradient(135deg, #ff4d4d 0%, #e11d2e 55%, #b91c1c 100%); color: #fff;
  font-size: 19px; font-weight: 800; letter-spacing: .01em; text-decoration: none; text-transform: uppercase;
  box-shadow: 0 12px 28px rgba(225, 29, 46, .38), inset 0 1px 0 rgba(255, 255, 255, .25);
  animation: cta-pulse 2.2s ease-in-out infinite;
  transition: transform .2s;
}
.content .cta__btn::before { content: ""; position: absolute; top: 0; left: -60%; width: 40%; height: 100%; background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .45), transparent); transform: skewX(-20deg); animation: cta-shine 3s ease-in-out infinite; }
.content .cta__btn:hover { transform: translateY(-2px) scale(1.02); text-decoration: none; }
.cta__arrow { transition: transform .2s; }
.content .cta__btn:hover .cta__arrow { transform: translateX(4px); }
.content .cta__note { margin: 0; font-size: 14px; color: var(--muted); }
@keyframes cta-pulse { 0%, 100% { box-shadow: 0 12px 28px rgba(225, 29, 46, .38), 0 0 0 0 rgba(239, 68, 68, .45); } 50% { box-shadow: 0 12px 28px rgba(225, 29, 46, .38), 0 0 0 14px rgba(239, 68, 68, 0); } }
@keyframes cta-shine { 0% { left: -60%; } 60%, 100% { left: 130%; } }

@media (max-width: 860px) {
  .header__inner { flex-wrap: wrap; height: auto; padding-top: 10px; padding-bottom: 0; row-gap: 6px; }
  .header__right { margin-left: auto; }
  .nav { order: 3; width: 100%; margin: 0; padding: 0 0 8px; overflow-x: auto; scrollbar-width: none; }
  .nav::-webkit-scrollbar { display: none; }
  .nav a { padding: 6px 10px; font-size: 14px; background: #f3f4f6; }
}
@media (max-width: 720px) {
  .content .cta { padding: 24px 14px; }
  .content .cta__btn { width: 100%; min-height: 58px; padding: 0 20px; font-size: 17px; }
}
@media (max-width: 360px) {
  .hbtn { padding: 0 12px; font-size: 13px; }
  .content .cta__btn { font-size: 15.5px; }
}
@media (prefers-reduced-motion: reduce) {
  .content .cta__btn, .content .cta__btn::before { animation: none; }
}
html { scroll-padding-top: 90px; }