:root {
  --bg: #f5f7fb;
  --paper: #ffffff;
  --ink: #1c2736;
  --muted: #5b6776;
  --line: #dbe3ef;
  --brand: #0466c8;
  --brand-2: #00a1e4;
  --accent: #ffb703;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 10% 10%, #d7eaff 0, #f6f9ff 35%, #f5f7fb 65%);
}

.wrap {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

.brand {
  font-weight: 800;
  letter-spacing: 0;
  color: var(--brand);
}

.nav {
  display: flex;
  gap: 20px;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}

.hero {
  padding: 48px 0 36px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 30px;
  align-items: center;
}

.tag {
  display: inline-block;
  padding: 6px 12px;
  background: #dbecff;
  color: #0a4d97;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
}

h1 {
  margin: 14px 0 10px;
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1.15;
}

.sub {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.hero-actions {
  margin-top: 24px;
  display: flex;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
}

.btn-primary {
  background: linear-gradient(120deg, var(--brand), var(--brand-2));
  color: #fff;
}

.btn-ghost {
  border: 1px solid var(--line);
  color: var(--ink);
  background: #fff;
}

.hero-meta {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  color: #4a5c72;
  font-size: 14px;
}

.hero-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid #c8d7ea;
}

.section {
  padding: 50px 0;
}

.section-soft {
  background: #edf4ff;
  border-top: 1px solid #dae8f8;
  border-bottom: 1px solid #dae8f8;
}

h2 {
  margin: 0 0 20px;
  font-size: 30px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
}

.card-accent {
  border-color: #ffc85f;
  box-shadow: 0 10px 18px rgba(255, 183, 3, 0.15);
}

.price {
  margin: 8px 0 10px;
  font-size: 30px;
  color: #e67e00;
  font-weight: 800;
}

.steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.step {
  background: #fff;
  border: 1px solid #cfe1f6;
  border-radius: 8px;
  padding: 14px;
  text-align: center;
  line-height: 1.5;
  font-weight: 500;
}

.step span {
  display: block;
  color: var(--brand);
  font-weight: 800;
  font-size: 20px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 20px;
}

.list {
  margin: 0;
  padding-left: 18px;
  color: #334255;
  line-height: 2;
}

.panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
}

.panel h3 {
  margin: 0 0 6px;
}

form {
  margin-top: 10px;
  display: grid;
  gap: 10px;
}

input,
select,
button {
  width: 100%;
  min-height: 42px;
  border-radius: 8px;
  border: 1px solid #c9d6e7;
  padding: 0 12px;
  font-family: inherit;
  font-size: 15px;
}

button {
  background: var(--brand);
  color: #fff;
  border: 0;
  font-weight: 700;
}

.footer {
  padding: 24px 0 36px;
  color: #5f6f83;
}

@media (max-width: 960px) {
  .hero-grid,
  .split {
    grid-template-columns: 1fr;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .nav {
    display: none;
  }

  h1 {
    font-size: 36px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .steps {
    grid-template-columns: 1fr;
  }
}