/* กติกา & คุณสมบัติ — rules.html */
.rules-content {
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

/* ── หัวข้อ section ── */
.rules-block-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  margin-bottom: 24px;
}
.rules-block-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #F0D080;
  background: rgba(212, 160, 64, .12);
  border: 1px solid rgba(212, 160, 64, .35);
  box-shadow: 0 0 20px rgba(212, 160, 64, .15);
}
.rules-block-title {
  margin: 0;
  font-family: 'Prompt', sans-serif;
  font-size: clamp(20px, 2.8vw, 26px);
  font-weight: 500;
  color: #FFF0D2;
  letter-spacing: .02em;
}
.rules-block-line {
  width: min(120px, 40%);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 160, 64, .65), transparent);
}

/* ── คุณสมบัติ ── */
.rules-qual-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.rules-qual-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  padding: 22px 16px 20px;
  border-radius: 14px;
  border: 1px solid rgba(212, 160, 64, .22);
  background: rgba(255, 255, 255, .04);
  transition: border-color .25s, background .25s, transform .25s;
}
.rules-qual-item:hover {
  border-color: rgba(212, 160, 64, .45);
  background: rgba(255, 255, 255, .07);
  transform: translateY(-2px);
}
.rules-qual-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  color: #D4A040;
  background: rgba(212, 160, 64, .1);
  border: 1px solid rgba(212, 160, 64, .28);
}
.rules-qual-label {
  margin: 0;
  font-family: 'Prompt', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: #FFE4A0;
  letter-spacing: .03em;
}
.rules-qual-val {
  margin: 0;
  font-family: 'Prompt', sans-serif;
  font-size: 13px;
  font-weight: 300;
  line-height: 1.55;
  color: rgba(255, 240, 210, .62);
}

/* ── กติกา ── */
.rules-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.rules-list-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  align-items: start;
  padding: 20px 22px;
  border-radius: 14px;
  border: 1px solid rgba(212, 160, 64, .18);
  background: rgba(255, 255, 255, .03);
  transition: border-color .25s, background .25s;
}
.rules-list-item:hover {
  border-color: rgba(212, 160, 64, .38);
  background: rgba(255, 255, 255, .06);
}
.rules-list-num {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  line-height: 1;
  color: rgba(212, 160, 64, .45);
  text-align: center;
  padding-top: 2px;
}
.rules-list-item:nth-child(1) .rules-list-num { color: #D4A040; }
.rules-list-text {
  margin: 0;
  font-family: 'Prompt', sans-serif;
  font-size: clamp(14px, 1.7vw, 15px);
  font-weight: 300;
  line-height: 1.75;
  color: rgba(255, 248, 235, .78);
}
.rules-list-text strong {
  font-weight: 500;
  color: #F0D080;
}
.rules-list-item:last-child {
  border-color: rgba(212, 160, 64, .32);
  background: linear-gradient(
    135deg,
    rgba(180, 120, 10, .14) 0%,
    rgba(255, 255, 255, .04) 100%
  );
}
.rules-list-item:last-child .rules-list-num {
  color: #D4A040;
}

@media (max-width: 768px) {
  .rules-qual-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .rules-qual-item {
    padding: 18px 12px 16px;
  }
}

@media (max-width: 640px) {
  .rules-content {
    gap: 32px;
  }
  .rules-list-item {
    grid-template-columns: 44px 1fr;
    gap: 12px;
    padding: 16px 14px;
  }
  .rules-list-num {
    font-size: 20px;
  }
}

@media (max-width: 400px) {
  .rules-qual-grid {
    grid-template-columns: 1fr;
  }
}