:root {
  --ink: #1a1228;
  --ink-soft: #5b5270;
  --muted: #8a8198;
  --line: #ece6f6;
  --violet: #6d4aff;
  --shadow: 0 24px 60px -24px rgba(88, 48, 180, 0.28);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 10% 0%, rgba(196,181,253,.45), transparent 60%),
    linear-gradient(180deg, #f7f2ff 0%, #efe7ff 100%);
  line-height: 1.75;
}
a { color: var(--violet); text-decoration: none; }
.wrap { width: min(820px, calc(100% - 32px)); margin: 0 auto; padding: 28px 0 64px; }
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
}
.brand img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  object-fit: cover;
}
.brand strong { display: block; font-size: 16px; line-height: 1.1; }
.brand span {
  display: block;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--muted);
}
.back { font-size: 13px; color: var(--ink-soft); }
.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}
.tabs a {
  height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-size: 13px;
  color: var(--ink-soft);
  background: rgba(255,255,255,.55);
  border: 1px solid #ece6f6;
}
.tabs a.on {
  background: #fff;
  color: var(--ink);
  font-weight: 600;
  box-shadow: 0 6px 16px rgba(28,18,51,.06);
}
.paper {
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,.75);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 36px 40px 40px;
}
h1 { font-size: 28px; letter-spacing: -.02em; line-height: 1.25; }
.meta { margin: 8px 0 28px; color: var(--muted); font-size: 13px; }
h2 {
  font-size: 17px;
  margin: 26px 0 8px;
}
p, li { font-size: 14px; color: #3b3348; }
ul { padding-left: 18px; }
li { margin: 6px 0; }
.note {
  margin-top: 28px;
  padding: 14px 16px;
  border-radius: 12px;
  background: #f6f1ff;
  color: var(--ink-soft);
  font-size: 13px;
}
@media (max-width: 720px) {
  .paper { padding: 24px 18px 28px; }
  h1 { font-size: 24px; }
}

.table-scroll { width: 100%; overflow-x: auto; margin: 18px 0; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
table { width: 100%; border-collapse: collapse; min-width: 620px; }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; font-size: 13px; color: #3b3348; }
th { color: var(--ink); background: #f6f1ff; font-weight: 700; }
tr:last-child td { border-bottom: 0; }