:root {
  --app-ink: #1f1633;
  --app-paper: #ffffff;
  --app-wash: #ede9fe;
  --app-mark: #5b21b6;
  --app-soft: #a78bfa;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
}

body.app-body {
  margin: 0;
  color: var(--app-ink);
  background: var(--app-wash);
  font: 16px/1.75 "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.app-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.app-top {
  background: var(--app-mark);
  color: #fff;
}

.app-top .app-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  min-height: 64px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.app-brand {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.app-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
}

.app-nav a {
  color: #ede9fe;
  text-decoration: none;
  font-size: 13px;
}

.app-nav a:hover,
.app-nav a:focus {
  color: #fff;
  text-decoration: underline;
}

.app-hero {
  padding: 36px 0 8px;
}

.app-hero-panel {
  background: var(--app-paper);
  border-left: 10px solid var(--app-mark);
  padding: 28px 32px;
}

.app-kicker {
  margin: 0 0 8px;
  color: var(--app-mark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.app-hero h1 {
  margin: 0 0 12px;
  font-size: 1.85rem;
  line-height: 1.35;
}

.app-hero p {
  margin: 0;
  max-width: 42em;
}

.app-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin: 36px 0;
  background: var(--app-paper);
  border: 1px solid #ddd6fe;
}

.app-split-can,
.app-split-cant {
  padding: 28px 24px 32px;
}

.app-split-can {
  background: #f5f3ff;
  border-right: 1px solid #ddd6fe;
}

.app-split-cant {
  background: var(--app-paper);
}

.app-split h2 {
  margin: 0 0 12px;
  font-size: 1.25rem;
}

.app-split p {
  margin: 0 0 12px;
}

.app-split ul {
  margin: 0;
  padding-left: 1.2em;
}

.app-split li + li {
  margin-top: 6px;
}

.app-bound {
  margin: 40px 0;
}

.app-bound h2,
.app-degree h2,
.app-steps-sec h2,
.app-back h2,
.app-check-sec h2,
.app-faq-sec h2 {
  margin: 0 0 16px;
  font-size: 1.35rem;
}

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

.app-card {
  background: var(--app-paper);
  padding: 20px 18px 22px;
  border-top: 5px solid var(--app-mark);
}

.app-card svg {
  display: block;
  width: 28px;
  height: 28px;
  margin-bottom: 10px;
  color: var(--app-mark);
}

.app-card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.app-card p {
  margin: 0;
  font-size: 0.95rem;
}

.app-degree {
  margin: 40px 0;
}

.app-table-wrap {
  overflow-x: auto;
  background: var(--app-paper);
}

.app-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.app-table th,
.app-table td {
  border: 1px solid #ddd6fe;
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

.app-table th {
  background: var(--app-mark);
  color: #fff;
  font-weight: 600;
}

.app-table tr:nth-child(even) td {
  background: #f5f3ff;
}

.app-steps-sec {
  margin: 40px 0;
}

.app-steps-sec > p,
.app-back > p,
.app-check-sec > p,
.app-faq-sec > p,
.app-degree > p {
  margin: 0 0 14px;
}

.app-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.app-step {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  background: var(--app-paper);
  padding: 10px 12px;
  flex: 1 1 180px;
  min-width: 160px;
}

.app-step b {
  color: var(--app-mark);
  font-size: 0.85rem;
}

.app-step span {
  font-size: 0.92rem;
}

.app-back {
  margin: 40px 0;
}

.app-back-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.app-back-item {
  background: var(--app-paper);
  padding: 18px;
}

.app-back-item svg {
  width: 26px;
  height: 26px;
  color: var(--app-mark);
}

.app-back-item h3 {
  margin: 8px 0;
  font-size: 1.05rem;
}

.app-back-item p {
  margin: 0;
  font-size: 0.95rem;
}

.app-check-sec {
  margin: 40px 0 48px;
}

.app-check-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.app-check {
  background: var(--app-paper);
  padding: 14px 12px;
  font-size: 0.9rem;
  border: 1px dashed var(--app-soft);
}

.app-check svg {
  width: 18px;
  height: 18px;
  vertical-align: -3px;
  margin-right: 4px;
  color: var(--app-mark);
}

.app-faq-sec {
  margin: 0 0 48px;
}

.app-faq details {
  background: var(--app-paper);
  margin-bottom: 8px;
  padding: 12px 16px;
  border-left: 4px solid var(--app-soft);
}

.app-faq summary {
  cursor: pointer;
  font-weight: 650;
}

.app-faq p {
  margin: 10px 0 0;
}

.app-foot {
  background: var(--app-ink);
  color: #ede9fe;
  padding: 28px 0;
  font-size: 0.9rem;
}

.app-foot p {
  margin: 0 0 8px;
}

.app-foot p:last-child {
  margin-bottom: 0;
}

@media (max-width: 860px) {
  .app-split,
  .app-bound-grid,
  .app-back-grid,
  .app-check-grid {
    grid-template-columns: 1fr;
  }

  .app-split-can {
    border-right: 0;
    border-bottom: 1px solid #ddd6fe;
  }
}