:root {
  color-scheme: light;
  --bg: #f7f9fc;
  --card: #ffffff;
  --ink: #162033;
  --muted: #5f6b7c;
  --line: #dfe6ef;
  --blue: #1d72d8;
  --green: #168a58;
  --orange: #d97706;
}

* {
  box-sizing: border-box;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.8;
  margin: 0;
}

a {
  color: var(--blue);
  font-weight: 700;
}

.page {
  margin: 0 auto;
  max-width: 880px;
  padding: 32px 18px 56px;
}

.top {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  margin-bottom: 20px;
}

.brand {
  font-size: 18px;
  font-weight: 900;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nav a {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  padding: 6px 10px;
  text-decoration: none;
}

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

.hero {
  margin-bottom: 16px;
}

h1,
h2 {
  letter-spacing: 0;
  line-height: 1.35;
  margin: 0 0 12px;
}

h1 {
  font-size: 30px;
}

h2 {
  border-top: 1px solid var(--line);
  font-size: 21px;
  margin-top: 28px;
  padding-top: 22px;
}

p,
li {
  color: var(--muted);
}

.badge {
  background: #e9f4ff;
  border-radius: 999px;
  color: var(--blue);
  display: inline-block;
  font-size: 13px;
  font-weight: 900;
  margin-bottom: 10px;
  padding: 4px 10px;
}

.notice {
  background: #fff7ed;
  border: 1px solid #fed7aa;
  border-radius: 8px;
  color: #8a4b0f;
  padding: 12px 14px;
}

.support-form {
  background: #f8fbff;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 14px;
  margin-top: 16px;
  padding: 16px;
}

.support-form label {
  color: var(--ink);
  display: grid;
  font-weight: 800;
  gap: 6px;
}

.support-form input,
.support-form select,
.support-form textarea {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  font: inherit;
  min-height: 44px;
  padding: 10px 12px;
  width: 100%;
}

.support-form textarea {
  min-height: 160px;
  resize: vertical;
}

.primary-button {
  background: var(--blue);
  border: 1px solid var(--blue);
  border-radius: 8px;
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-weight: 900;
  min-height: 48px;
  padding: 10px 16px;
}

.small-note {
  font-size: 14px;
}

.list {
  padding-left: 1.2em;
}

.footer {
  color: var(--muted);
  font-size: 13px;
  margin-top: 24px;
}