:root {
  --bg-color: #f2f7fc; /* 娴呰摑鐧藉簳鑹?*/
  --card-bg: #ffffff; /* 绾櫧鍗＄墖 */
  --card-border: #e0e6ed;
  --card-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
  --text-main: #333333;
  --text-sub: #666666;
  --brand-primary: #0066CC; /* 涓浗绉诲姩椋庢牸鐨勬矇绋宠摑 */
  --brand-hover: #0052a3;
  --success: #059669;
  --error: #dc2626;
  --radius-lg: 12px; /* 鍑忓皬鍦嗚锛屾樉寰楁洿涓撲笟 */
  --radius-md: 6px;
  --transition: all 0.2s ease-in-out;
}

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

body {
  color: var(--text-main);
  background: var(--bg-color);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
}

.container {
  width: min(1000px, 92vw);
  margin: 0 auto;
  padding: 40px 0;
}

main {
  flex: 1; /* 鎾戝紑涓讳綋鍐呭锛屼繚璇?footer 鍦ㄥ簳閮?*/
}

/* 鍩虹鍗＄墖鏍峰紡锛堝彇浠ｄ箣鍓嶇殑 glass-card锛?*/
.data-card, .search-section {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  padding: 24px;
  margin-bottom: 24px;
}

h1 {
  text-align: center;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: var(--brand-primary); /* 鍘绘帀娓愬彉锛屾敼涓虹函鑹?*/
  margin-bottom: 30px;
  letter-spacing: 1px;
}

/* 鎼滅储妗嗚璁?*/
.search-form {
  display: flex;
  gap: 12px;
}

.search-input {
  flex: 1;
  border: 1px solid var(--card-border);
  background: #f8fafc;
  border-radius: var(--radius-md);
  padding: 14px 18px;
  font-size: 16px;
  outline: none;
  transition: var(--transition);
}

.search-input:focus {
  border-color: var(--brand-primary);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.btn-primary {
  border: none;
  border-radius: var(--radius-md);
  background: var(--brand-primary);
  color: #fff;
  font-size: 16px;
  font-weight: 500;
  padding: 0 32px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary:hover {
  background: var(--brand-hover);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-primary:disabled {
  background: #cbd5e1;
  cursor: not-allowed;
}

/* 姒滃崟缃戞牸 */
.board-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.board-card h2 {
  font-size: 18px;
  margin-bottom: 16px;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 12px;
}

.board-card ol {
  padding-left: 20px;
  color: var(--text-sub);
}

.board-card li {
  margin-bottom: 10px;
  font-size: 15px;
}

.board-card a {
  color: var(--text-main);
  text-decoration: none;
  transition: var(--transition);
}

.board-card a:hover {
  color: var(--brand-primary);
  text-decoration: underline;
}

/* 鎼滅储缁撴灉椤电壒鏈夋牱寮?*/
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.top-bar h1 {
  margin-bottom: 0;
  font-size: 24px;
  text-align: left;
}

.back-link {
  color: var(--brand-primary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
}

.back-link:hover {
  text-decoration: underline;
}

.info-section {
  padding: 16px 24px;
}

.status-text {
  font-size: 14px;
  margin-top: 8px;
  font-weight: 500;
}
.status-text.ok { color: var(--success); }
.status-text.err { color: var(--error); }

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

.result-item {
  background: #ffffff;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: var(--transition);
}

.result-item:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  border-color: #caddf0;
}

.item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.item-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--brand-primary);
}

.btn-small {
  padding: 8px 16px;
  font-size: 14px;
}

.item-meta {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-sub);
}

.temp-box {
  margin-top: 12px;
  border-radius: 6px;
  background: #f1f8fc;
  border: 1px solid #d0e3f0;
  padding: 12px;
  display: none;
}

.temp-box a {
  color: var(--brand-primary);
  font-weight: 500;
  word-break: break-all;
  text-decoration: none;
}

.temp-box a:hover {
  text-decoration: underline;
}

.temp-row {
  font-size: 13px;
  color: #0369a1;
  margin-top: 6px;
}

.pagination {
  margin-top: 30px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
}

.pagination-info {
  font-size: 14px;
  color: var(--text-sub);
}

/* 搴曢儴澹版槑鏍峰紡 */
.site-footer {
  background: #ffffff;
  border-top: 1px solid var(--card-border);
  padding: 20px 0;
  margin-top: 40px;
}

.site-footer p {
  font-size: 12px;
  color: #94a3b8;
  text-align: center;
  line-height: 1.8;
  margin: 0;
}

@media (max-width: 768px) {
  .search-form { flex-direction: column; }
  .btn-primary { padding: 12px; }
  .item-header { flex-direction: column; align-items: flex-start; }
  .item-header button { width: 100%; margin-top: 10px; }
}
.ranking-section {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  padding: 24px;
}

.ranking-header {
  margin-bottom: 18px;
}

.ranking-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-main);
}

.ranking-title-icon {
  color: var(--brand-primary);
  margin-right: 6px;
}

.ranking-subtitle {
  margin-top: 6px;
  color: var(--text-sub);
  font-size: 14px;
}

.ranking-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 18px;
}

.ranking-card {
  border: 1px solid var(--card-border);
  border-radius: 12px;
  background: #fff;
  overflow: hidden;
}

.ranking-card-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--card-border);
}

.ranking-card-name {
  display: inline-block;
  font-size: 17px;
  font-weight: 700;
  margin-right: 10px;
}

.ranking-card-date {
  font-size: 12px;
  color: var(--text-sub);
}

.ranking-list {
  padding: 8px 0;
}

.ranking-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 10px 16px;
  border-top: 1px solid #f1f5f9;
}

.ranking-item:first-child {
  border-top: none;
}

.ranking-rank {
  font-size: 18px;
  font-weight: 700;
  color: #64748b;
  text-align: center;
}

.ranking-rank.top1 { color: #ef4444; }
.ranking-rank.top2 { color: #f59e0b; }
.ranking-rank.top3 { color: #10b981; }

.ranking-cover {
  width: 54px;
  height: 76px;
  border-radius: 8px;
  overflow: hidden;
  background: #f8fafc;
}

.ranking-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ranking-info {
  min-width: 0;
}

.ranking-item-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.45;
  word-break: break-word;
}

.ranking-meta {
  margin-top: 6px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--text-sub);
  font-size: 12px;
}

.ranking-score {
  color: var(--brand-primary);
  font-size: 13px;
  font-weight: 700;
}

.ranking-empty,
.ranking-empty-wrap {
  padding: 24px;
  color: var(--text-sub);
  text-align: center;
}

.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  background: #f8fafc;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 6px;
  margin-bottom: 18px;
  align-items: center;
}

.tab-item {
  padding: 7px 18px;
  font-size: 14px;
  color: var(--text-sub);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  border: none;
  background: transparent;
  font-weight: 500;
}

.tab-item:hover:not(.active) {
  background: #eef6ff;
  color: var(--text-main);
}

.tab-item.active {
  background: var(--brand-primary);
  color: #ffffff;
  font-weight: 600;
}

@media (max-width: 768px) {
  .tab-list {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding: 6px;
    gap: 3px;
  }

  .tab-item {
    padding: 4px 12px;
    font-size: 12px;
    white-space: nowrap;
  }
}