:root {
  --bg: #f5f5f7;
  --card: rgba(255, 255, 255, 0.88);
  --line: rgba(15, 23, 42, 0.08);
  --text: #1d1d1f;
  --muted: #6e6e73;
  --shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang TC", "Noto Sans TC", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(120, 190, 255, 0.18), transparent 32%),
    radial-gradient(circle at top right, rgba(255, 210, 160, 0.22), transparent 28%),
    linear-gradient(180deg, #fbfbfd 0%, var(--bg) 100%);
  color: var(--text);
}

.shell {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 18px 48px;
}

.hero {
  padding: 20px 8px 28px;
}

.eyebrow {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.title {
  font-size: clamp(36px, 7vw, 56px);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.sub {
  max-width: 520px;
  font-size: 17px;
  line-height: 1.6;
  color: var(--muted);
}

.list {
  display: grid;
  gap: 16px;
}

.item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 22px 22px 20px;
  text-decoration: none;
  color: inherit;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.item:hover {
  transform: translateY(-2px);
  border-color: rgba(15, 23, 42, 0.12);
  box-shadow: 0 24px 44px rgba(15, 23, 42, 0.12);
}

.left {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.icon {
  width: 52px;
  height: 52px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 24px;
  background: linear-gradient(180deg, #ffffff 0%, #ececf1 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.copy {
  min-width: 0;
}

.name {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.desc {
  margin-top: 6px;
  font-size: 14px;
  color: var(--muted);
}

.right {
  flex-shrink: 0;
  font-size: 22px;
  color: #b0b0b7;
}

.placeholder {
  cursor: default;
  opacity: 0.62;
  background: rgba(255, 255, 255, 0.5);
  border-color: rgba(15, 23, 42, 0.05);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.05);
}

.placeholder .icon {
  background: linear-gradient(180deg, #f3f3f5 0%, #e3e3e7 100%);
  color: #8e8e93;
}

.placeholder .name,
.placeholder .desc,
.placeholder .right {
  color: #8e8e93;
}

.placeholder:hover {
  transform: none;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.05);
  border-color: rgba(15, 23, 42, 0.05);
}

.footer {
  margin-top: 28px;
  padding: 0 8px;
  font-size: 12px;
  color: #8e8e93;
  text-align: center;
}

@media (max-width: 640px) {
  .shell {
    padding: 20px 14px 36px;
  }

  .hero {
    padding: 12px 4px 22px;
  }

  .item {
    padding: 18px 18px 18px 16px;
    border-radius: 24px;
  }

  .name {
    font-size: 18px;
  }
}