.pipi-external-courses {
  --pipi-ext-ink: #17151a;
  --pipi-ext-muted: #5a5560;
  --pipi-ext-paper: #fbfafb;
  --pipi-ext-paper-warm: #fdf9f6;
  --pipi-ext-line: #dcd6da;
  --pipi-ext-accent: #fa5c5c;
  --pipi-ext-accent-wash: #fbedea;
  --pipi-ext-serif: "Songti TC", "Noto Serif TC", "PingFang TC", serif;
  --pipi-ext-sans: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  width: 100%;
  max-width: none;
  margin: 0;
  overflow: clip;
  color: var(--pipi-ext-ink);
  background: var(--pipi-ext-paper);
  font-family: var(--pipi-ext-sans);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

.pipi-external-courses *,
.pipi-external-courses *::before,
.pipi-external-courses *::after {
  box-sizing: border-box;
}

.pipi-external-courses img {
  display: block;
  max-width: 100%;
}

.pipi-external-courses__wrap {
  width: min(100%, 1180px);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 56px);
}

.pipi-external-courses__hero {
  padding: clamp(64px, 8vw, 104px) 0 clamp(30px, 4vw, 46px);
  background: var(--pipi-ext-paper-warm);
}

.pipi-external-courses__display {
  margin: 0;
  font-family: var(--pipi-ext-serif);
  font-size: clamp(30px, 4.4vw, 46px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.pipi-external-courses__lede {
  max-width: 46ch;
  margin: 14px 0 0;
  color: var(--pipi-ext-muted);
  font-size: 15px;
}

.pipi-external-courses__listing {
  padding: clamp(40px, 6vw, 72px) 0 clamp(64px, 9vw, 108px);
}

.pipi-external-courses__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 288px), 1fr));
  gap: clamp(20px, 2.6vw, 34px);
  align-items: stretch;
}

.pipi-external-courses__card {
  display: flex;
  flex-direction: column;
  gap: 0;
  height: 100%;
  overflow: hidden;
  border: 1px solid var(--pipi-ext-line);
  border-radius: 18px;
  background: var(--pipi-ext-paper);
  color: inherit;
  text-decoration: none;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.pipi-external-courses__card:hover,
.pipi-external-courses__card:focus-visible {
  border-color: var(--pipi-ext-ink);
  box-shadow: 0 16px 38px rgba(122, 72, 52, 0.16);
  transform: translateY(-3px);
}

.pipi-external-courses__card:focus-visible {
  outline: 2px solid var(--pipi-ext-ink);
  outline-offset: 3px;
}

.pipi-external-courses__media {
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--pipi-ext-accent-wash);
}

.pipi-external-courses__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pipi-external-courses__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: clamp(18px, 2vw, 24px);
}

.pipi-external-courses__chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 11px;
  border-radius: 999px;
  background: var(--pipi-ext-accent-wash);
  color: var(--pipi-ext-accent);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.02em;
}

.pipi-external-courses__title {
  display: block;
  font-family: var(--pipi-ext-serif);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.45;
  text-wrap: balance;
}

.pipi-external-courses__excerpt {
  display: block;
  margin: 0;
  color: var(--pipi-ext-muted);
  font-size: 14px;
}

.pipi-external-courses__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding-top: 6px;
  color: var(--pipi-ext-accent);
  font-size: 14px;
  font-weight: 600;
}

.pipi-external-courses__card:hover .pipi-external-courses__cta,
.pipi-external-courses__card:focus-visible .pipi-external-courses__cta {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.pipi-external-courses__empty {
  padding: clamp(36px, 5vw, 58px);
  border: 1px dashed var(--pipi-ext-line);
  border-radius: 18px;
  background: var(--pipi-ext-paper-warm);
  text-align: center;
}

.pipi-external-courses__empty h2 {
  margin: 0 0 8px;
  font-family: var(--pipi-ext-serif);
  font-size: 20px;
  font-weight: 700;
}

.pipi-external-courses__empty p {
  margin: 0;
  color: var(--pipi-ext-muted);
  font-size: 14px;
}

.pipi-external-courses .navigation.pagination {
  margin-top: clamp(32px, 4vw, 48px);
}

.pipi-external-courses .nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.pipi-external-courses .page-numbers {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 6px 14px;
  border: 1px solid var(--pipi-ext-line);
  border-radius: 999px;
  color: var(--pipi-ext-muted);
  font-size: 13px;
  text-decoration: none;
}

.pipi-external-courses .page-numbers:hover,
.pipi-external-courses .page-numbers:focus-visible,
.pipi-external-courses .page-numbers.current {
  border-color: var(--pipi-ext-ink);
  background: var(--pipi-ext-ink);
  color: var(--pipi-ext-paper);
}

@media (max-width: 480px) {
  .pipi-external-courses__grid {
    grid-template-columns: 1fr;
  }
}