.rules-hero {
  position: relative;
  overflow: hidden;
  padding: 24px 28px;
  background:
    radial-gradient(circle at 12% 45%, rgba(255, 139, 0, 0.18), transparent 26%),
    linear-gradient(110deg, rgba(79, 40, 10, 0.58), rgba(21, 21, 24, 0.96) 65%);
}

.rules-hero .hero-inner {
  justify-content: space-between;
  min-height: 150px;
}

.rules-hero__copy {
  position: relative;
  z-index: 1;
  max-width: 690px;
}

.rules-hero__image {
  width: 190px;
  height: 190px;
  align-self: flex-end;
  flex: 0 0 190px;
  margin: -22px 16px -24px 0;
  object-fit: contain;
  object-position: center bottom;
  filter: drop-shadow(0 12px 22px rgba(0, 0, 0, 0.4));
}

.rules-eyebrow {
  margin-bottom: 7px;
  color: #ff9100;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.rules-intro {
  display: grid;
  gap: 18px;
}

.rules-intro h2 { margin: 0 0 10px; }

.rules-intro p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.55;
}

.rules-intro__notice {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 13px 15px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.035);
}

.rules-intro__notice-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border-radius: 50%;
  color: #17110a;
  background: #ff9100;
  font-weight: 900;
}

.rules-intro__notice > div { display: grid; gap: 3px; }
.rules-intro__notice strong { color: #fff; }
.rules-intro__notice span { color: rgba(255, 255, 255, 0.68); line-height: 1.4; }

.rules-nav {
  position: sticky;
  top: 10px;
  z-index: 20;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin: 18px 0;
  padding: 10px;
  border: 1px solid rgba(255, 145, 0, 0.16);
  border-radius: 18px;
  background: rgba(13, 13, 15, 0.92);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(12px);
}

.rules-nav a {
  display: grid;
  place-items: center;
  min-height: 36px;
  padding: 7px 9px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 12px;
  color: rgba(255, 255, 255, 0.78);
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.84rem;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease;
}

.rules-nav a:hover {
  color: #fff;
  border-color: rgba(255, 145, 0, 0.32);
  background: rgba(255, 145, 0, 0.09);
}

.rules-list {
  display: grid;
  gap: 13px;
}

.rules-group {
  scroll-margin-top: 88px;
  overflow: clip;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 21px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.022));
  transition: border-color 180ms ease, background 180ms ease;
}

.rules-group[open] {
  border-color: rgba(255, 145, 0, 0.2);
  background: linear-gradient(180deg, rgba(255, 145, 0, 0.055), rgba(255, 255, 255, 0.022) 150px);
}

.rules-group summary {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

.rules-group summary::-webkit-details-marker { display: none; }

.rules-group summary::after {
  content: "+";
  grid-column: 3;
  grid-row: 1;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 145, 0, 0.2);
  border-radius: 10px;
  color: #ff9a18;
  background: rgba(255, 145, 0, 0.07);
  font-size: 1.25rem;
  font-weight: 600;
}

.rules-group[open] summary::after { content: "−"; }

.rules-group__number {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  color: #ff9810;
  background: rgba(255, 145, 0, 0.09);
  border: 1px solid rgba(255, 145, 0, 0.18);
  font-size: 0.82rem;
  font-weight: 800;
}

.rules-group summary > span:nth-child(2) {
  display: grid;
  gap: 4px;
}

.rules-group summary strong {
  font-size: 1.08rem;
  line-height: 1.25;
}

.rules-group summary small {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.84rem;
  line-height: 1.35;
}

.rules-group__body {
  padding: 4px 22px 24px 82px;
}

.rules-group__body h3 {
  margin: 24px 0 10px;
  color: #fff;
  font-size: 1rem;
}

.rules-group__body h3:first-child { margin-top: 8px; }

.rules-group__body ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.rules-group__body li {
  position: relative;
  padding: 11px 14px 11px 37px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 13px;
  color: rgba(255, 255, 255, 0.78);
  background: rgba(255, 255, 255, 0.026);
  line-height: 1.48;
}

.rules-group__body li::before {
  content: "";
  position: absolute;
  top: 17px;
  left: 16px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #ff9100;
  box-shadow: 0 0 12px rgba(255, 145, 0, 0.32);
}

.rules-group__body li b { color: #ffad3d; }

.rules-group__body kbd {
  display: inline-grid;
  place-items: center;
  min-width: 27px;
  min-height: 27px;
  padding: 2px 7px;
  border: 1px solid rgba(255, 145, 0, 0.32);
  border-bottom-width: 2px;
  border-radius: 7px;
  color: #fff;
  background: #0c0c0f;
  font: inherit;
  font-weight: 800;
}

@media (max-width: 760px) {
  .rules-hero { padding: 20px 18px 0; }
  .rules-hero .hero-inner { flex-direction: column; min-height: 0; }
  .rules-hero__copy { text-align: center; }
  .rules-hero__image { width: 150px; height: 150px; flex-basis: 150px; margin: -4px 0 -8px; }
  .rules-nav { top: 6px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rules-group summary { grid-template-columns: 42px minmax(0, 1fr); padding: 15px; }
  .rules-group summary::after { display: none; }
  .rules-group__number { width: 40px; height: 40px; }
  .rules-group__body { padding: 2px 14px 18px; }
  .rules-group__body li { padding: 10px 12px 10px 32px; }
  .rules-group__body li::before { left: 13px; }
}