body {
  max-width: 60rem;
  margin: 0 auto;
  padding: 1rem 1.25rem 3rem;
  font-family:
    system-ui,
    -apple-system,
    'Segoe UI',
    'Noto Sans SC',
    'Hiragino Sans',
    sans-serif;
  line-height: 1.75;
}

a {
  color: #0b5cad;
}

/* 资料卡片：左边封面，右边信息 */
.card[hidden] {
  display: none;
}

.card {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 0 1.25rem;
  padding: 1rem 0;
  border-bottom: 1px solid #e6e6e6;
}

.card-cover {
  width: 7.5rem;
  height: auto;
  align-self: start;
  border-radius: 4px;
  background: #f4f4f4;
}

.card-cover--empty {
  display: grid;
  place-items: center;
  height: 10.5rem;
  color: #999;
  font-size: 0.8rem;
  border: 1px dashed #ccc;
}

/* 多张封面：叠在一起自动轮播（两张交替淡入淡出，循环 8 秒） */
.card-covers {
  position: relative;
  width: 7.5rem;
  aspect-ratio: 3 / 4;
}

.card-cover--slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-covers .card-cover--slide:first-child {
  animation: card-cover-a 8s ease-in-out infinite;
}

.card-covers .card-cover--slide:nth-child(2) {
  animation: card-cover-b 8s ease-in-out infinite;
}

@keyframes card-cover-a {
  0% {
    opacity: 0;
  }

  5%,
  45% {
    opacity: 1;
  }

  50%,
  100% {
    opacity: 0;
  }
}

@keyframes card-cover-b {
  0% {
    opacity: 1;
  }

  5%,
  45% {
    opacity: 0;
  }

  50%,
  100% {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .card-covers .card-cover--slide {
    animation: none;
    opacity: 0;
  }

  .card-covers .card-cover--slide:first-child {
    opacity: 1;
  }
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
}

.card-type {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: #777;
}

.card-status {
  font-size: 0.7rem;
  line-height: 1.6;
  padding: 0 0.4rem;
  border: 1px solid #aaa;
  border-radius: 3px;
  color: #666;
}

.card-status--both {
  background: #e0f7fa;
  color: #00838f;
}

.card-status--print {
  border-color: #2f7d4f;
  background: #eef7f1;
  color: #2f7d4f;
}

.card-status--digital {
  border-color: #2f5d9a;
  background: #eef2fa;
  color: #2f5d9a;
}

.card-status--pending {
  border-color: #a06a00;
  background: #fdf5e6;
  color: #a06a00;
}

.card-status--none {
  border-color: #999;
  background: #f4f4f4;
  color: #777;
}

.card-status--help {
  border-color: #b3261e;
  background: #fdecea;
  color: #b3261e;
}

.card-alt {
  margin: 0 0 0.45rem;
  font-size: 0.95rem;
  color: #666;
}

.card-content-title {
  margin: 0 0 0.45rem;
  font-size: 0.9rem;
  line-height: 1.5;
  color: #333;
}

.card-content-label {
  display: inline-block;
  margin-right: 0.4rem;
  color: #888;
}

.card-content-title-zh {
  margin: -0.3rem 0 0.45rem;
  font-size: 0.85rem;
  line-height: 1.5;
  color: #666;
}

.card-refs {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  color: #444;
}

.card-title {
  margin: 0.15rem 0 0.5rem;
  font-size: 1.1rem;
  line-height: 1.4;
}

.card-facts {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.1rem 0.75rem;
  margin: 0;
  font-size: 0.875rem;
}

.card-facts dt {
  color: #777;
}

.card-facts dd {
  margin: 0;
}

.card-note {
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
  color: #444;
}

.card-official {
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
  color: #333;
}

.card-official-zh,
.card-kmin-zh {
  margin: 0.15rem 0 0;
  font-size: 0.85rem;
  color: #666;
}

.card-kmin {
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
  color: #333;
}

.card-links {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  color: #444;
}

.card-links-label {
  display: inline-block;
  margin-right: 0.4rem;
  color: #888;
}

/* ISBN 转换小工具 */
.converter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 1.25rem 0 0.5rem;
}

.converter label {
  font-size: 0.9rem;
  color: #555;
}

.converter input {
  flex: 1 1 18rem;
  padding: 0.45rem 0.6rem;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid #bbb;
  border-radius: 4px;
}

.converter button {
  padding: 0.45rem 1rem;
  font-size: 0.95rem;
  font-family: inherit;
  border: 1px solid #0b5cad;
  border-radius: 4px;
  background: #0b5cad;
  color: #fff;
  cursor: pointer;
}

.codes {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.2rem 1rem;
  margin: 1rem 0 0;
  font-size: 0.95rem;
}

.codes dt {
  color: #777;
}

.codes dd {
  margin: 0;
  font-family: ui-monospace, 'SFMono-Regular', Consolas, monospace;
}

.codes dd.bad {
  color: #b3261e;
}

/* 网络媒体一览 */
.web-list {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 0;
  font-size: 0.875rem;
}

.web-list th,
.web-list td {
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid #e6e6e6;
  text-align: left;
  vertical-align: top;
}

.web-list th {
  font-weight: 600;
  color: #666;
  border-bottom-width: 2px;
}

.web-list td:first-child {
  white-space: nowrap;
  color: #666;
}

.web-list td:nth-child(2) {
  white-space: nowrap;
}

.web-list small {
  color: #777;
}

/* 页面最后一项不画底边：否则会和页面分隔线叠成两条 */
.card-list > .card.card-last,
.card-list > .card:last-child {
  border-bottom: 0;
}

main > .web-list:last-child tbody tr:last-child td {
  border-bottom: 0;
}

@media (max-width: 32rem) {
  .card {
    grid-template-columns: 5.5rem 1fr;
  }

  .card-cover {
    width: 5.5rem;
  }

  .card-cover--empty {
    height: 7.7rem;
  }
}

/* 项目记录页 */
.project-status {
  margin: 0 0 1rem;
  color: #666;
  font-size: 0.9rem;
}

.maintainer-list {
  margin: 0 0 1rem;
}

.maintainer-role,
.maintainer-period {
  margin-left: 0.5rem;
  color: #666;
  font-size: 0.9rem;
}

.project-result {
  margin: 1rem 0 2rem;
}

.decision {
  margin: 0 0 2rem;
  padding: 1rem 1.1rem;
  border: 1px solid #e5e5e5;
  border-radius: 8px;
}

.decision h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.decision-meta {
  margin: 0 0 0.8rem;
  color: #777;
  font-size: 0.85rem;
}

.chat {
  display: grid;
  gap: 0.5rem;
  margin: 0 0 1rem;
}

.chat-line {
  margin: 0;
  padding: 0.5rem 0.75rem;
  background: #f6f6f6;
  border-radius: 8px;
  line-height: 1.6;
}

.chat-who {
  display: block;
  margin-bottom: 0.15rem;
  font-size: 0.8rem;
  color: #666;
}

.vote {
  margin: 0 0 1rem;
  padding: 0.5rem 0.75rem;
  border-left: 3px solid #ccc;
  background: #fafafa;
}

.vote-title {
  margin: 0 0 0.3rem;
  font-size: 0.85rem;
  color: #666;
}

.vote ul {
  margin: 0;
  padding-left: 1.2rem;
}

.decision-result {
  margin: 0;
  font-weight: 600;
}

.project-empty {
  color: #777;
}

.chat-who time,
.vote-time {
  margin-left: 0.4rem;
  color: #999;
  font-size: 0.75rem;
  font-weight: normal;
}

.maintainer-label {
  margin: 0 0 0.25rem;
  font-size: 0.9rem;
  color: #666;
}

.section-divider {
  margin: 2rem 0;
  border: 0;
  border-top: 1px solid #e8e8e8;
}

.proposal-line {
  margin-bottom: 1rem;
}

.chat-text {
  white-space: pre-line;
}

.card-links-todo {
  color: #777;
}

.copy-toast {
  position: fixed;
  left: 50%;
  bottom: 2rem;
  transform: translateX(-50%);
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  font-size: 0.85rem;
  z-index: 10;
}

.legend-tag {
  font-size: 0.8rem;
  margin: 0 0.15rem;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 0.75rem;
}

.filter-bar button {
  padding: 0.3rem 0.6rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  background: #fff;
  color: #333;
  font-size: 0.85rem;
  cursor: pointer;
}

.filter-bar button[aria-pressed='true'] {
  border-color: #00838f;
  background: #e0f7fa;
  color: #00695c;
}

.filter-count {
  margin: 0 0 1rem;
  color: #666;
  font-size: 0.85rem;
}

.project-contact {
  margin: 0 0 2rem;
  color: #444;
}

.card-related {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  color: #444;
}

.card-related summary {
  cursor: pointer;
  color: #444;
  font-size: 0.875rem;
}

.card-related ul {
  margin: 0.25rem 0 0;
  padding-left: 1.25rem;
  font-size: 0.875rem;
}