body {
  font-family: "Microsoft JhengHei", Arial, sans-serif;
  margin: 0;
  color: #1f2933;
  background: #f7f8f5;
  line-height: 1.7;
}

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 48px 24px;
}

h1 {
  font-size: 34px;
  line-height: 1.3;
  margin: 0 0 8px;
}

.title-zh,
.title-en {
  display: block;
}

.title-en {
  margin-top: 6px;
  font-size: 20px;
  font-weight: 500;
  color: #52616b;
}

h2 {
  font-size: 22px;
  margin-top: 32px;
  padding-bottom: 8px;
  border-bottom: 1px solid #d9ded6;
}

.lead {
  font-size: 18px;
  max-width: 820px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 28px;
}

a.card {
  display: block;
  padding: 20px;
  border: 1px solid #d9ded6;
  border-radius: 6px;
  background: #fff;
  color: inherit;
  text-decoration: none;
}

.card strong {
  display: block;
  font-size: 18px;
  margin-bottom: 6px;
}

section.panel {
  background: #fff;
  border: 1px solid #d9ded6;
  border-radius: 6px;
  padding: 22px;
  margin: 18px 0;
}

.tag {
  display: inline-block;
  border: 1px solid #9aa89a;
  border-radius: 999px;
  padding: 2px 10px;
  margin: 2px 4px 2px 0;
  font-size: 13px;
  background: #f3f6f0;
}

.status {
  font-weight: 700;
  color: #244f35;
}

.mini-status {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: #52616b;
}

.warning {
  border-color: #b08900;
  background: #fffaf0;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  border: 1px solid #d9ded6;
  padding: 8px;
  vertical-align: top;
}

th {
  width: 180px;
  background: #f0f3ec;
  text-align: left;
}

.zh-text {
  font-weight: 600;
  color: #1f2933;
}

.en-text {
  margin-top: 6px;
  color: #52616b;
  font-size: 14px;
  line-height: 1.55;
}

blockquote {
  border-left: 4px solid #6f8068;
  margin: 12px 0;
  padding: 8px 16px;
  background: #f6f7f2;
}

footer {
  margin-top: 40px;
  font-size: 14px;
  color: #52616b;
}

.ch-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 16px;
}

.ch-btn {
  background: #fff;
  border: 1px solid #cbd5c8;
  color: #52616b;
  font-family: inherit;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 999px;
  cursor: pointer;
}

.ch-btn.active,
.ch-btn:hover {
  background: #eaf2e7;
  border-color: #6f8068;
  color: #244f35;
}

.lit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.lit-card {
  background: #fff;
  border: 1px solid #d9ded6;
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.inline-lit-card {
  max-width: 720px;
}

.lit-card.hidden {
  display: none;
}

.lit-card-top {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.lit-num,
.lit-ch-badge,
.lit-new-badge {
  display: inline-block;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 4px;
}

.lit-num {
  font-family: Consolas, monospace;
  font-weight: 700;
  color: #244f35;
  background: #eaf2e7;
}

.lit-ch-badge {
  background: #f0f3ec;
  color: #52616b;
}

.lit-new-badge {
  background: #fff3d6;
  color: #8a5a00;
}

.lit-author {
  font-weight: 700;
  color: #17212b;
}

.lit-title-zh {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45;
  color: #2f4f3a;
}

.lit-desc {
  font-size: 14px;
  color: #374151;
}

.lit-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.lit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 34px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.lit-btn small {
  font-size: 10px;
  font-weight: 700;
}

.lit-btn-disabled {
  color: #7b8178;
  background: #edf0ea;
  border-color: #d0d6cb;
  cursor: not-allowed;
  opacity: .62;
  filter: grayscale(1);
}

.lit-btn-md {
  color: #244f35;
  background: #eaf2e7;
  border-color: #b7c8b2;
}

.lit-btn-pdf {
  color: #7a3e00;
  background: #fff3d6;
  border-color: #e4c27a;
}

.lit-btn-txt {
  color: #24476f;
  background: #e8f0fb;
  border-color: #b7c7d9;
}

.lit-btn-pptx {
  color: #7a2e2e;
  background: #fae8e8;
  border-color: #d9b7b7;
}