*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  background: #f5f5f5;
  color: #0b1730;
}
a { color: inherit; }
.container {
  max-width: 840px;
  margin: 40px auto;
  background: white;
  padding: 30px 24px 40px;
  border-radius: 12px;
  position: relative;
  box-shadow: 0 10px 20px rgba(0,0,0,0.06);
}
.decor-left {
  position: absolute;
  left: -20px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.decor-left .dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #0b1730;
}
.decor-top-right {
  position: absolute;
  right: -20px;
  top: 0;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: #0b1730;
}
.logo {
  font-weight: 900;
  color: white;
  background: #0b1730;
  padding: 4px 10px;
  border-radius: 4px;
  display: inline-block;
  font-size: 16px;
  text-decoration: none;
}
h1 {
  margin-top: 20px;
  margin-bottom: 6px;
  font-size: 32px;
  font-weight: 800;
  line-height: 1.2;
}
h1 .highlight { background: #fedc40; padding: 2px 6px; border-radius: 4px; }
ol { list-style: none; padding-left: 0; margin-top: 16px; }
li { display: flex; align-items: flex-start; margin-bottom: 20px; }
.num {
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  margin-right: 12px;
  background: #fedc40;
  border-radius: 6px;
  color: #0b1730;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 900;
}
.item-text { flex: 1; font-size: 16px; }
.item-text b { display: block; font-size: 18px; margin-bottom: 4px; color: #0b1730; }
footer { margin-top: 28px; font-size: 14px; color: #333; text-align: center; }
footer span { display: block; margin-top: 4px; font-weight: 600; }
@media (max-width: 600px) {
  .container { margin: 20px; padding: 24px 16px 32px; }
  .decor-left, .decor-top-right { display: none; }
  .num { width: 34px; height: 34px; flex-basis: 34px; font-size: 20px; margin-right: 10px; }
  .item-text b { font-size: 16px; }
  .item-text { font-size: 14px; }
}