:root {
  --blue: #2F80ED;
  --blue-dark: #1F5FB8;
  --yellow: #FFD447;
  --yellow-soft: #FFF1AE;
  --bg: #F7FBFF;
  --surface: #FFFFFF;
  --surface-alt: #EAF4FF;
  --text: #16324F;
  --muted: #58708A;
  --border: #D7E6F5;
  --danger: #E85D75;
  --success: #2DB783;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Aptos", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 212, 71, 0.32), transparent 30%),
    linear-gradient(180deg, #DDEBFF 0%, var(--bg) 32%, #FFFDF6 100%);
  min-height: 100vh;
}

a,
a:visited,
a:hover,
a:active {
  color: inherit;
  text-decoration: none;
}

.page {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.hero {
  background: var(--yellow);
  border-radius: 28px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 14px 32px rgba(213, 164, 0, 0.18);
  margin-bottom: 18px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.4rem, 7vw, 4rem);
  line-height: 1;
  font-weight: 900;
  color: #000;
}

.hero p {
  margin: 14px auto 0;
  max-width: 680px;
  color: #5F4A00;
  font-weight: 700;
  line-height: 1.6;
}

.panel {
  background: var(--surface);
  border: 1px solid #E4E9F2;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 12px 28px rgba(167, 199, 242, 0.14);
}

.intro {
  background: linear-gradient(180deg, #D9E7FF 0%, #CFE0FF 100%);
  padding: 26px 22px;
  border-bottom: 1px solid #E9EEF7;
}

.intro p {
  margin: 0;
  line-height: 1.65;
}

.updated {
  display: inline-block;
  margin-bottom: 12px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.75);
  color: var(--blue-dark);
  font-size: 0.86rem;
  font-weight: 800;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 18px;
}

.cta-primary,
.cta-secondary {
  padding: 0.95rem 1.2rem;
  border-radius: 18px;
  font-weight: 800;
  min-width: 210px;
  text-align: center;
}

.cta-primary {
  background: var(--blue);
  color: white;
  box-shadow: 0 10px 22px rgba(47, 128, 237, 0.22);
}

.cta-secondary {
  background: rgba(255,255,255,0.72);
  color: var(--blue-dark);
  border: 1px solid rgba(31, 95, 184, 0.12);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 0;
}

.feature, section {
  padding: 20px 22px;
  border-bottom: 1px solid #E9EEF7;
}

.feature {
  border-right: 1px solid #E9EEF7;
}

.feature:nth-child(3n) {
  border-right: none;
}

.feature strong, h2 {
  display: block;
  margin: 0 0 10px;
  font-size: 1.1rem;
  color: #000;
}

.feature p,
p,
li,
label span {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.link-card {
  background: var(--surface);
  border: 1px solid #E4E9F2;
  border-radius: 22px;
  padding: 18px;
  box-shadow: 0 12px 28px rgba(167, 199, 242, 0.10);
}

.link-card h2 {
  margin-bottom: 8px;
}

.notice {
  padding: 1rem 1.1rem;
  border-radius: 16px;
}

.notice.success {
  border: 1px solid rgba(46, 184, 131, 0.35);
  background: rgba(46, 184, 131, 0.12);
}

.notice.error {
  border: 1px solid rgba(232, 93, 117, 0.35);
  background: rgba(232, 93, 117, 0.10);
}

form {
  display: grid;
  gap: 14px;
  max-width: 720px;
}

label {
  display: grid;
  gap: 6px;
}

input, textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  border-radius: 16px;
  border: 2px solid var(--border);
  background: var(--surface-alt);
  color: var(--text);
  font: inherit;
  resize: vertical;
}

button {
  padding: 1rem 1.2rem;
  border: 0;
  border-radius: 18px;
  background: var(--blue);
  color: white;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 10px 22px rgba(47, 128, 237, 0.22);
}

.backlink {
  margin-top: 18px;
  text-align: center;
  color: var(--muted);
  font-weight: 700;
}

@media (max-width: 760px) {
  .feature {
    border-right: none;
  }
}

.account-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.account-grid select {
  width: 100%;
  padding: 0.9rem 1rem;
  border-radius: 16px;
  border: 2px solid var(--border);
  background: var(--surface-alt);
  color: var(--text);
  font: inherit;
}

.cta-row.left {
  justify-content: flex-start;
}

.profile-summary {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.profile-summary p {
  color: var(--text);
}