:root {
  --bg: #faf7fc;
  --card-pink: #f7cbe6;
  --card-pink-dark: #f0a8d6;
  --purple-deep: #6b3fa0;
  --purple-mid: #9a5fc9;
  --link-blue: #2f5fdc;
  --ink: #3a2e45;
  --shadow: rgba(107, 63, 160, 0.18);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  background-image:
    radial-gradient(circle at 1px 1px, rgba(154, 95, 201, 0.12) 1px, transparent 0);
  background-size: 22px 22px;
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 56px 24px 80px;
}

header {
  text-align: center;
  margin-bottom: 48px;
}

.eyebrow {
  letter-spacing: 0.3em;
  font-size: 12px;
  color: var(--purple-mid);
  font-weight: 600;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(32px, 5vw, 44px);
  color: var(--purple-deep);
  margin: 10px 0 14px;
  font-weight: 800;
}

header p {
  color: #7a6a87;
  font-size: 15px;
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
  width: 100%;
  max-width: 1100px;
}

a.card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 160px;
  padding: 24px 22px;
  border-radius: 18px;
  background: linear-gradient(160deg, var(--card-pink), var(--card-pink-dark));
  box-shadow: 0 6px 18px var(--shadow);
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  overflow: hidden;
}

a.card:hover, a.card:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 12px 26px var(--shadow);
  outline: none;
}

a.card.placeholder {
  background: linear-gradient(160deg, #e7dcf3, #d3bfe8);
  opacity: 0.85;
}

.card .tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--purple-deep);
  background: rgba(255, 255, 255, 0.55);
  align-self: flex-start;
  padding: 4px 10px;
  border-radius: 999px;
}

.card h2 {
  font-size: 21px;
  margin: 14px 0 6px;
  font-weight: 800;
  color: #4a2f61;
}

.card .status {
  font-size: 13px;
  font-weight: 600;
  color: var(--link-blue);
}

.card.placeholder .status {
  color: #8a72a3;
}

.card .arrow {
  align-self: flex-end;
  font-size: 20px;
  color: var(--purple-deep);
}

footer {
  margin-top: 56px;
  font-size: 12px;
  color: #a290b0;
  letter-spacing: 0.05em;
  text-align: center;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 28px;
  color: var(--purple-deep);
  font-weight: 700;
  text-decoration: none;
  font-size: 14px;
}

.back-link:hover { text-decoration: underline; }

.placeholder-box {
  max-width: 480px;
  text-align: center;
  background: linear-gradient(160deg, #f7cbe6, #e7dcf3);
  border-radius: 20px;
  padding: 44px 36px;
  box-shadow: 0 8px 22px var(--shadow);
}

.placeholder-box .icon {
  font-size: 40px;
  margin-bottom: 12px;
}

.placeholder-box h1 {
  font-size: 24px;
  margin: 0 0 10px;
}

.placeholder-box p {
  color: #5c4a6b;
  font-size: 14px;
  line-height: 1.7;
}