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

body {
  min-height: 100vh;
  background-color: #32860b;
  font-family:
    "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Meiryo", sans-serif;
  color: #333;
  padding: 24px 16px 48px;
}

.page-header {
  max-width: 680px;
  margin: 0 auto 16px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.92);
  text-decoration: none;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 6px;
  background-color: rgba(0, 0, 0, 0.2);
  transition: background-color 0.15s;
}
.back-link:hover {
  background-color: rgba(0, 0, 0, 0.35);
}

.page-inner {
  max-width: 680px;
  margin: 0 auto;
  padding: 28px 32px;
  border: 8px solid rgba(255, 165, 0, 0.75);
  background-color: rgba(255, 255, 255, 0.94);
  border-radius: 2px;
}

h1 {
  font-size: 22px;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid rgba(255, 165, 0, 0.5);
}

h2 {
  font-size: 16px;
  font-weight: 700;
  margin-top: 24px;
  margin-bottom: 8px;
  padding-left: 8px;
  border-left: 3px solid #32860b;
  color: #32860b;
}

p {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 10px;
}

ul,
ol {
  padding-left: 1.5em;
  margin-bottom: 12px;
}

li {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 2px;
}

strong {
  font-weight: 700;
}

.hint-badge {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 3px;
  font-weight: 700;
  color: #fff;
  margin-right: 4px;
}
.hint-badge.perfect {
  background-color: #0d8dd7;
}
.hint-badge.matched {
  background-color: #3f7c9d;
}
.hint-badge.reached {
  background-color: #b63c42;
}
.hint-badge.yixiangting {
  background-color: #e67e22;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 12px;
}
th,
td {
  text-align: left;
  padding: 6px 10px;
  border-bottom: 1px solid #e0d8cc;
}
th {
  background-color: rgba(50, 134, 11, 0.1);
  font-weight: 700;
}

.page-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 165, 0, 0.4);
}
.page-nav a {
  font-size: 12px;
  color: #32860b;
  text-decoration: none;
  padding: 3px 10px;
  border-radius: 4px;
  background-color: rgba(50, 134, 11, 0.1);
  transition: background-color 0.12s;
}
.page-nav a:hover {
  background-color: rgba(50, 134, 11, 0.22);
}