/* ---------------------------------------------------------------------------
 * LLM Benchmark Dashboard — Academic theme
 * 纸感底色、衬线标题、细线边框、booktabs 式表格。
 * 注意：本文件中的类名与 CSS 变量是 app.js 的接口，改名需同步修改 JS。
 * ------------------------------------------------------------------------- */

:root {
  color-scheme: light;
  --font-family-base: "Inter", "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-family-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", STSong, SimSun, Georgia, "Times New Roman", serif;
  --font-family-mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --color-bg: #f7f6f2;
  --color-panel: #ffffff;
  --color-border: #e3e1d9;
  --color-rule: #2a2d33;
  --color-accent: #1f4e79;
  --color-accent-hover: #163a5c;
  --color-accent-soft: rgba(31, 78, 121, 0.055);
  --color-text: #212428;
  --color-muted: #6f6c65;
  --color-disabled-bg: #efede7;
  --color-table-head: #ffffff;
  --color-row-even: #ffffff;
  --color-row-hover: rgba(31, 78, 121, 0.1);
  --color-row-hover-solid: #e8edf4;
  --color-badge-bg: transparent;
  --color-button-focus: rgba(31, 78, 121, 0.16);
  --color-control-focus: rgba(31, 78, 121, 0.14);
  --color-chart-think-bg: rgba(158, 59, 50, 0.62);
  --color-chart-think-border: rgba(158, 59, 50, 1);
  --color-chart-default-bg: rgba(31, 78, 121, 0.58);
  --color-chart-default-border: rgba(31, 78, 121, 1);
  --color-chart-quadrant-sweet: rgba(58, 107, 79, 0.055);
  --color-chart-quadrant-second: rgba(34, 197, 94, 0.14);
  --color-chart-median-line: rgba(111, 108, 101, 0.75);
  --color-chart-quadrant-label: rgba(111, 108, 101, 0.9);

  --mobile-card-code-bg: var(--color-panel);
  --mobile-card-logic-bg: var(--color-panel);
  --mobile-card-vision-bg: var(--color-panel);
  --color-card-metric-bg: #f7f5f0;
  --color-card-metric-primary-bg: #f2efe7;
  --color-card-metric-primary-border: #d8d4c6;
  --color-card-row-bg: #f8f7f3;
  --color-card-row-hero-bg: #f2efe7;
  --color-card-row-hero-border: #d5d0c2;
  --color-card-row-secondary-bg: #f8f7f3;
  --color-card-row-secondary-border: #e0ddd2;
  --color-card-row-secondary-label: #8a877d;
  --color-card-row-secondary-value: #3d4148;
  --color-card-row-placeholder-border: #d8d5ca;
  --color-card-row-placeholder-bg: rgba(111, 108, 101, 0.06);

  --color-family-dot: #d97c2b;

  --shadow-soft: 0 1px 2px rgba(28, 25, 18, 0.04);
  --radius: 4px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --color-bg: #171613;
  --color-panel: #201f1b;
  --color-border: #3a382f;
  --color-rule: #d8d5ca;
  --color-accent: #93b8dc;
  --color-accent-hover: #b4cee8;
  --color-accent-soft: rgba(147, 184, 220, 0.08);
  --color-text: #e7e5de;
  --color-muted: #a09c90;
  --color-disabled-bg: #2a2924;
  --color-table-head: #201f1b;
  --color-row-even: #201f1b;
  --color-row-hover: rgba(147, 184, 220, 0.14);
  --color-row-hover-solid: #333a42;
  --color-badge-bg: transparent;
  --color-button-focus: rgba(147, 184, 220, 0.22);
  --color-control-focus: rgba(147, 184, 220, 0.18);
  --color-chart-think-bg: rgba(216, 120, 105, 0.72);
  --color-chart-think-border: rgba(216, 120, 105, 1);
  --color-chart-default-bg: rgba(147, 184, 220, 0.66);
  --color-chart-default-border: rgba(147, 184, 220, 1);
  --color-chart-quadrant-sweet: rgba(143, 191, 159, 0.07);
  --color-chart-quadrant-second: rgba(74, 222, 128, 0.12);
  --color-chart-median-line: rgba(160, 156, 144, 0.8);
  --color-chart-quadrant-label: rgba(160, 156, 144, 0.95);

  --mobile-card-code-bg: var(--color-panel);
  --mobile-card-logic-bg: var(--color-panel);
  --mobile-card-vision-bg: var(--color-panel);
  --color-card-metric-bg: #26251f;
  --color-card-metric-primary-bg: #2b2921;
  --color-card-metric-primary-border: #4a473c;
  --color-card-row-bg: #26251f;
  --color-card-row-hero-bg: #2b2921;
  --color-card-row-hero-border: #4a473c;
  --color-card-row-secondary-bg: #26251f;
  --color-card-row-secondary-border: #403e35;
  --color-card-row-secondary-label: #8f8b7f;
  --color-card-row-secondary-value: #d3d0c5;
  --color-card-row-placeholder-border: #403e35;
  --color-card-row-placeholder-bg: rgba(160, 156, 144, 0.08);

  --color-family-dot: #e89a52;

  --shadow-soft: 0 1px 2px rgba(0, 0, 0, 0.3);
}

:root[data-theme="light"] {
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --color-bg: #171613;
    --color-panel: #201f1b;
    --color-border: #3a382f;
    --color-rule: #d8d5ca;
    --color-accent: #93b8dc;
    --color-accent-hover: #b4cee8;
    --color-accent-soft: rgba(147, 184, 220, 0.08);
    --color-text: #e7e5de;
    --color-muted: #a09c90;
    --color-disabled-bg: #2a2924;
    --color-table-head: #201f1b;
    --color-row-even: #201f1b;
    --color-row-hover: rgba(147, 184, 220, 0.14);
    --color-row-hover-solid: #333a42;
    --color-badge-bg: transparent;
    --color-button-focus: rgba(147, 184, 220, 0.22);
    --color-control-focus: rgba(147, 184, 220, 0.18);
    --color-chart-think-bg: rgba(216, 120, 105, 0.72);
    --color-chart-think-border: rgba(216, 120, 105, 1);
    --color-chart-default-bg: rgba(147, 184, 220, 0.66);
    --color-chart-default-border: rgba(147, 184, 220, 1);
    --color-chart-quadrant-sweet: rgba(143, 191, 159, 0.07);
    --color-chart-quadrant-second: rgba(74, 222, 128, 0.12);
    --color-chart-median-line: rgba(160, 156, 144, 0.8);
    --color-chart-quadrant-label: rgba(160, 156, 144, 0.95);
    --mobile-card-code-bg: var(--color-panel);
    --mobile-card-logic-bg: var(--color-panel);
    --mobile-card-vision-bg: var(--color-panel);
    --color-card-metric-bg: #26251f;
    --color-card-metric-primary-bg: #2b2921;
    --color-card-metric-primary-border: #4a473c;
    --color-card-row-bg: #26251f;
    --color-card-row-hero-bg: #2b2921;
    --color-card-row-hero-border: #4a473c;
    --color-card-row-secondary-bg: #26251f;
    --color-card-row-secondary-border: #403e35;
    --color-card-row-secondary-label: #8f8b7f;
    --color-card-row-secondary-value: #d3d0c5;
    --color-card-row-placeholder-border: #403e35;
    --color-card-row-placeholder-bg: rgba(160, 156, 144, 0.08);
    --color-family-dot: #e89a52;
    --shadow-soft: 0 1px 2px rgba(0, 0, 0, 0.3);
  }
}

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

html,
body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family-base);
  background-color: var(--color-bg);
  color: var(--color-text);
  min-height: 100%;
}

body {
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: rgba(31, 78, 121, 0.16);
}

:root[data-theme="dark"] ::selection {
  background: rgba(147, 184, 220, 0.3);
}

a {
  color: var(--color-accent);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--color-accent-hover);
}

/* ---------------- 页眉（刊头） ---------------- */

.page-header {
  padding: 44px 24px 24px;
  text-align: center;
  position: relative;
  border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
  margin: 0;
  font-family: var(--font-family-serif);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.subtitle {
  margin: 10px auto 0;
  max-width: 640px;
  color: var(--color-muted);
  font-size: 14.5px;
}

.header-actions {
  position: absolute;
  top: 20px;
  right: 96px;
  display: flex;
  gap: 8px;
}

.header-action-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-panel);
  color: var(--color-muted);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background-color 0.15s ease;
}

.header-action-button:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.header-action-button:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-button-focus);
}

.github-corner {
  position: absolute;
  z-index: 2;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  color: var(--color-panel);
  line-height: 0;
}

.github-corner svg {
  width: 100%;
  height: 100%;
}

.github-corner-bg {
  fill: var(--color-accent);
  transition: fill 0.15s ease;
}

.octo-arm,
.octo-body {
  fill: currentColor;
}

.octo-arm {
  transform-origin: 130px 106px;
}

.github-corner:hover .github-corner-bg {
  fill: var(--color-accent-hover);
}

.github-corner:hover {
  color: var(--color-panel);
}

.github-corner:hover .octo-arm {
  animation: octocat-wave 560ms ease-in-out;
}

.github-corner:focus-visible {
  outline: 3px solid var(--color-text);
  outline-offset: -4px;
}

@keyframes octocat-wave {
  0%,
  100% {
    transform: rotate(0);
  }
  20%,
  60% {
    transform: rotate(-25deg);
  }
  40%,
  80% {
    transform: rotate(10deg);
  }
}

main {
  padding: 0 24px 56px;
  max-width: 1350px;
  margin: 0 auto;
}

/* ---------------- 视图切换（榜单 / 趋势） ---------------- */

.view-tabs {
  display: flex;
  gap: 28px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 20px;
}

.view-tab {
  appearance: none;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  padding: 10px 2px;
  font-family: var(--font-family-serif);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--color-text);
  opacity: 0.8;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
}

.view-tab:hover {
  color: var(--color-text);
  opacity: 1;
}

.view-tab:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.view-tab.active {
  color: var(--color-text);
  opacity: 1;
  border-bottom-color: var(--color-rule);
  font-weight: 600;
}

.view-tab--icon {
  padding: 7px 2px;
}

.view-tab-icon {
  display: block;
  width: 24px;
  height: 24px;
  object-fit: contain;
}

a.view-tab {
  text-decoration: none;
}

/* ---------------- 控件 ---------------- */

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 16px;
}

.control {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 200px;
}

.control label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.control select,
.control input[type="search"] {
  height: 38px;
  padding: 0 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-panel);
  color: var(--color-text);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.control select {
  appearance: none;
  padding-right: 34px;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23888' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  cursor: pointer;
}

.control select:hover,
.control input[type="search"]:hover {
  border-color: var(--color-muted);
}

.control select:focus,
.control input[type="search"]:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-control-focus);
}

.control select:disabled,
.control input[type="search"]:disabled {
  background-color: var(--color-disabled-bg);
  color: var(--color-muted);
  cursor: not-allowed;
}

/* ---------------- 视图标签栏中的类别（与榜单/趋势同级） ---------------- */

.view-tabs {
  gap: 0 24px;
}

.view-tabs-categories {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 20px;
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
}

.category-item {
  appearance: none;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  padding: 10px 2px;
  font-family: var(--font-family-serif);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--color-text);
  opacity: 0.8;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
}

.category-item:hover {
  color: var(--color-text);
  opacity: 1;
}

.category-item:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.category-item.active {
  color: var(--color-text);
  opacity: 1;
  border-bottom-color: var(--color-rule);
  font-weight: 600;
}

/* ---------------- 数据集信息条 ---------------- */

.dataset-meta {
  margin-bottom: 16px;
  padding: 12px 18px;
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 13.5px;
  display: none;
}

.dataset-meta.active {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

.dataset-meta strong {
  font-weight: 600;
  color: var(--color-text);
}

.dataset-meta span {
  margin-right: 18px;
  color: var(--color-muted);
}

/* ---------------- 表格（booktabs 风格） ---------------- */

/* 总榜矩阵（模型 × 子项，按得分着色） */
.matrix-table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

.matrix-table th,
.matrix-table td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--color-border);
  text-align: center;
  white-space: nowrap;
  font-size: 14px;
}

.matrix-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--color-table-head);
  font-weight: 600;
  letter-spacing: 0.03em;
  border-bottom: 1.5px solid var(--color-rule);
  cursor: pointer;
  user-select: none;
}
.matrix-table thead th:hover {
  background: var(--color-accent-soft);
}
.matrix-table thead th.sorted {
  font-weight: 700;
}

.matrix-table td.matrix-model-cell {
  text-align: left;
  min-width: 150px;
  white-space: normal;
  overflow-wrap: anywhere;
}

.matrix-table .matrix-model-inner {
  display: flex;
  align-items: center;
  gap: 8px;
}

.matrix-table .matrix-model-inner .model-cell-name {
  overflow-wrap: anywhere;
}

.matrix-table td.matrix-cell--empty {
  color: var(--color-muted);
}

/* 得分着色：越高越绿 -> 越低越红 */
.matrix-table td.m-band-high {
  background: #cfeedc;
  color: #1c6f3d;
  font-weight: 600;
}
.matrix-table td.m-band-mid {
  background: #cce9e2;
  color: #1a6e65;
}
.matrix-table td.m-band-lowmid {
  background: #f6e4b0;
  color: #8a6a1a;
}
.matrix-table td.m-band-low {
  background: #f7d4b0;
  color: #9a4f15;
}
.matrix-table td.m-band-critical {
  background: #f7c7c3;
  color: #a23428;
}

/* 语义标记：测试中=蓝，未测试=黑（优先级高于数值着色） */
.matrix-table td.m-band-testing,
.matrix-mobile-chip.m-band-testing {
  background: #dbe8ff;
  color: #1a56c4;
}
.matrix-table td.m-band-untested,
.matrix-mobile-chip.m-band-untested {
  background: #eceef0;
  color: #111111;
}

/* 移动端总榜卡片：每个模型一张卡，逐子项着色 */
.matrix-mobile-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  width: 100%;
}
.matrix-mobile-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 13px;
  color: var(--color-text);
}
.matrix-mobile-chip .matrix-mobile-label {
  color: var(--color-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.matrix-mobile-chip .matrix-mobile-value {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.matrix-mobile-chip.m-band-high { background: #cfeedc; color: #1c6f3d; }
.matrix-mobile-chip.m-band-mid { background: #cce9e2; color: #1a6e65; }
.matrix-mobile-chip.m-band-lowmid { background: #f6e4b0; color: #8a6a1a; }
.matrix-mobile-chip.m-band-low { background: #f7d4b0; color: #9a4f15; }
.matrix-mobile-chip.m-band-critical { background: #f7c7c3; color: #a23428; }
.matrix-mobile-chip.matrix-cell--empty {
  background: transparent;
  color: var(--color-muted);
}


.table-wrapper {
  position: relative;
}

.table-sticky-scope {
  display: grid;
}

.table-sticky-scope > .table-container {
  grid-area: 1 / 1;
}

.table-container {
  background: var(--color-panel);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
}

.table-container::-webkit-scrollbar {
  height: 8px;
}

.table-container::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 4px;
}

.table-container::-webkit-scrollbar-thumb:hover {
  background: var(--color-muted);
}

.table-container table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

.table-container thead {
  background: var(--color-table-head);
  position: sticky;
  top: 0;
  z-index: 3;
}

.table-container th,
.table-container td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: middle;
}

.table-container th {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-text);
  border-bottom: 1.5px solid var(--color-rule);
  cursor: pointer;
  user-select: none;
  position: relative;
  white-space: nowrap;
}

.table-container th:hover {
  background-color: var(--color-accent-soft);
}

/* 当前排序列加粗（默认“中位分数”降序） */
.table-container th.sorted {
  font-weight: 700;
}

.table-container td {
  font-size: 14px;
}

.table-container tbody tr:last-child td {
  border-bottom: none;
}

.table-container th .sort-indicator {
  margin-left: 6px;
  font-size: 11px;
  color: var(--color-accent);
}

.table-container tbody tr:nth-child(even) {
  background-color: var(--color-row-even);
}

.table-container tbody tr:hover {
  background-color: var(--color-row-hover);
}

.table-container td.think-model {
  font-weight: 600;
  color: var(--color-accent);
}

/* 家族高亮：hover 某模型时，同家族模型名前点亮橙色圆点。
   圆点绝对定位在单元格左内边距内，不参与布局，避免列宽跳动 */
.table-container .model-cell {
  position: relative;
}

/* 模型 logo（表格 + 移动端卡片共用）：与模型名横向排列。
   固定尺寸槽位保证命中/未命中 logo 的行文字对齐一致，避免加载或缺失时抖动 */
.model-logo-slot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
}

.model-logo {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 4px;
  object-fit: contain;
}

/* 外部 SVG 不会继承页面 currentColor：暗色主题下把单色厂商标记反色，保证可读性 */
:root[data-theme="dark"] .model-logo:is(
  [src$="/anthropic.svg"],
  [src$="/openai.svg"],
  [src$="/glm.svg"],
  [src$="/kimi.svg"],
  [src$="/xai.svg"]
) {
  filter: invert(1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .model-logo:is(
    [src$="/anthropic.svg"],
    [src$="/openai.svg"],
    [src$="/glm.svg"],
    [src$="/kimi.svg"],
    [src$="/xai.svg"]
  ) {
    filter: invert(1);
  }
}

.table-container .model-cell-inner {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.table-container .model-cell-name {
  overflow-wrap: break-word;
}

.table-container tbody tr.family-lit .model-cell::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 50%;
  width: 8px;
  height: 8px;
  margin-top: -4px;
  border-radius: 50%;
  background: var(--color-family-dot);
}

/* 成本列：平时与其他格同色；hover 激活对比时，窗口外的数字变灰 */
.table-container tbody.cost-compare-active td.cost-cell {
  color: var(--color-muted);
}

.table-container tbody.cost-compare-active td.cost-cell.cost-baseline {
  color: var(--color-text);
  font-weight: 700;
}

.table-container tbody.cost-compare-active td.cost-cell.cost-above {
  color: var(--color-chart-think-border);
  font-weight: 600;
}

.table-container tbody.cost-compare-active td.cost-cell.cost-below {
  color: var(--color-chart-default-border);
  font-weight: 600;
}

.think-badge {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 7px;
  border: 1px solid var(--color-accent);
  border-radius: 999px;
  background-color: var(--color-badge-bg);
  color: var(--color-accent);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.5;
  vertical-align: 1px;
}

/* ---------------- 移动端卡片 ---------------- */

.table-container.mobile-cards {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  overflow: visible;
}

.mobile-card-list {
  display: grid;
  gap: 10px;
}

.mobile-card {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-panel);
  padding: 12px 14px 13px;
  box-shadow: var(--shadow-soft);
}

.mobile-card--code {
  background: var(--mobile-card-code-bg);
}

.mobile-card--logic {
  background: var(--mobile-card-logic-bg);
}

.mobile-card--vision {
  background: var(--mobile-card-vision-bg);
}

.mobile-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 9px;
}

.mobile-card-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.mobile-card-title-group .model-logo-slot {
  width: 18px;
  height: 18px;
  flex-basis: 18px;
}

.mobile-card-title {
  margin: 0;
  font-family: var(--font-family-serif);
  font-size: 15.5px;
  line-height: 1.3;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.mobile-card-header .think-badge {
  margin-left: 0;
  flex-shrink: 0;
}

.mobile-card-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 0;
  row-gap: 8px;
}

.mobile-card-metric {
  min-width: 0;
  border: 0;
  border-left: 1px solid var(--color-border);
  border-radius: 0;
  background: transparent;
  padding: 3px 10px;
}

.mobile-card-metric:nth-child(2n) {
  border-left: 0;
  padding-left: 0;
}

.mobile-card-metric--primary {
  grid-column: 1 / -1;
  border: 0;
  border-bottom: 1px solid var(--color-border);
  background: transparent;
  padding: 0 0 9px;
}

.mobile-card-metric-label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--color-muted);
}

.mobile-card-metric-value {
  display: block;
  margin-top: 2px;
  font-size: 16px;
  line-height: 1.25;
  font-weight: 600;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

.mobile-card-metric--muted {
  opacity: 0.7;
}

.mobile-card-row {
  display: grid;
  grid-template-columns: repeat(var(--mobile-card-row-columns, 3), minmax(0, 1fr));
  gap: 0;
  margin-top: 0;
  border-top: 1px solid var(--color-border);
}

.mobile-card-row-metric {
  min-width: 0;
  border: 0;
  border-left: 1px solid var(--color-border);
  border-radius: 0;
  background: transparent;
  padding: 8px 10px;
}

.mobile-card-row-metric:first-child {
  border-left: 0;
  padding-left: 0;
}

.mobile-card-row-metric:last-child {
  padding-right: 0;
}

.mobile-card-row-metric-label {
  display: block;
  font-size: 11px;
  line-height: 1.25;
  letter-spacing: 0.04em;
  color: var(--color-muted);
}

.mobile-card-row-metric-value {
  display: block;
  margin-top: 2px;
  font-size: 14px;
  line-height: 1.25;
  color: var(--color-text);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.mobile-card-row--hero .mobile-card-row-metric {
  background: transparent;
  padding-top: 8px;
  padding-bottom: 10px;
}

.mobile-card-row--hero .mobile-card-row-metric-value {
  font-size: 19px;
  line-height: 1.15;
}

.mobile-card-row--secondary .mobile-card-row-metric {
  background: transparent;
}

.mobile-card-row--secondary .mobile-card-row-metric-label,
.mobile-card-row--tertiary .mobile-card-row-metric-label {
  color: var(--color-card-row-secondary-label);
}

.mobile-card-row--secondary .mobile-card-row-metric-value,
.mobile-card-row--tertiary .mobile-card-row-metric-value {
  font-size: 13px;
  color: var(--color-card-row-secondary-value);
}

.mobile-card-row-metric--muted {
  opacity: 0.68;
}

.mobile-card-row-placeholder {
  display: none;
}

/* ---------------- 表格底部说明（档位说明） ---------------- */

.table-note {
  margin-top: 14px;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-panel);
}

.table-note h3 {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

.table-note h3:not(:first-child) {
  margin-top: 18px;
}

.table-note li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 6px 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-muted);
}

.table-note p {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--color-muted);
}

.mobile-card-note {
  margin: 10px 2px 0;
  font-size: 12px;
  line-height: 1.4;
  color: var(--color-muted);
}

.mobile-card-details {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--color-border);
}

.mobile-card-details summary {
  cursor: pointer;
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 500;
}

.mobile-card-detail-list {
  margin-top: 8px;
  display: grid;
  gap: 6px;
}

.mobile-card-detail-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 8px;
  align-items: start;
}

.mobile-card-detail-label {
  font-size: 12px;
  color: var(--color-muted);
}

.mobile-card-detail-value {
  font-size: 13px;
  color: var(--color-text);
  overflow-wrap: anywhere;
}

.placeholder {
  padding: 56px 24px;
  text-align: center;
  color: var(--color-muted);
  font-size: 14.5px;
}

/* ---------------- 图表 ---------------- */

.chart-section,
.trends-section {
  margin-top: 28px;
  background: var(--color-panel);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  padding: 20px 24px 24px;
}

.chart-controls {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border);
}

.chart-container {
  position: relative;
  width: 100%;
  height: 500px;
}

.chart-container canvas {
  max-height: 500px;
}

.chart-caption {
  margin: 14px 4px 0;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--color-muted);
  text-align: center;
}

/* ---------------- 趋势视图 ---------------- */

.trends-section {
  margin-top: 0;
}

.trends-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-end;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border);
}

.trends-toolbar .control {
  min-width: 180px;
}

.chip-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-height: 128px;
  overflow-y: auto;
  padding: 2px;
  margin-bottom: 16px;
}

.chip {
  appearance: none;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-panel);
  color: var(--color-muted);
  font-family: inherit;
  font-size: 12.5px;
  padding: 3px 12px;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background-color 0.15s ease;
}

.chip:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.chip:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.chip.selected {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
}

:root[data-theme="dark"] .chip.selected {
  color: #171613;
}

.trends-chart-container {
  position: relative;
  width: 100%;
  height: 460px;
}

.trends-note {
  margin: 14px 4px 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--color-muted);
  border-top: 1px dashed var(--color-border);
  padding-top: 12px;
}

/* ---------------- 站点说明（底部，由 md 数据源生成） ---------------- */

.site-notes {
  margin-top: 44px;
  padding-top: 26px;
  border-top: 1px solid var(--color-border);
}

.site-notes-title {
  margin: 0 0 6px;
  font-family: var(--font-family-serif);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.site-notes-intro {
  margin: 0 0 18px;
  color: var(--color-muted);
  font-size: 13px;
}

.notes-group {
  margin-bottom: 16px;
  padding: 16px 18px;
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.notes-group:last-child {
  margin-bottom: 0;
}

.notes-group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  margin-bottom: 4px;
}

.notes-group-head h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.notes-group-source {
  margin: 0;
  color: var(--color-muted);
  font-size: 12px;
}

.notes-block + .notes-block {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--color-border);
}

.notes-block h4 {
  margin: 0 0 6px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

.notes-content {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--color-muted);
}

.notes-content p {
  margin: 8px 0 0;
}

.notes-content ol,
.notes-content ul {
  margin: 0;
  padding-left: 1.4em;
}

.notes-content li {
  margin: 6px 0;
}

.notes-content code {
  font-family: var(--font-family-mono);
  font-size: 0.92em;
  background: var(--color-accent-soft);
  padding: 1px 5px;
  border-radius: 3px;
}

/* ---------------- 页脚 ---------------- */

.page-footer {
  padding: 20px 24px;
  text-align: center;
  color: var(--color-muted);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  border-top: 1px solid var(--color-border);
}

/* ---------------- 滚动条 ---------------- */

.chip-picker::-webkit-scrollbar {
  height: 8px;
  width: 8px;
}

.chip-picker::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 4px;
}

.chip-picker::-webkit-scrollbar-thumb:hover {
  background: var(--color-muted);
}

/* ---------------------------------------------------------------------------
 * 文档页（说明页 bench.html / ocr_bench.html）
 * 长文阅读排版：居中窄栏、衬线标题、宽表横向滚动、提示框。
 * ------------------------------------------------------------------------- */

.doc-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 24px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.doc-nav a {
  appearance: none;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  padding: 10px 2px;
  font-family: var(--font-family-serif);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--color-text);
  opacity: 0.8;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
}

.doc-nav a:hover {
  color: var(--color-text);
  opacity: 1;
}

.doc-nav a.current {
  opacity: 1;
  border-bottom-color: var(--color-rule);
  font-weight: 600;
}

.doc-article {
  max-width: 960px;
  margin: 0 auto;
  padding: 8px 0 40px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--color-text);
}

.doc-article .doc-lead {
  font-family: var(--font-family-serif);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0.01em;
  margin: 4px 0 20px;
  color: var(--color-text);
}

/* 引言紧跟首个小节标题时收紧间距，避免标题与首节之间空隙过大 */
.doc-article .doc-lead + h2 {
  margin-top: 8px;
}

.doc-article h2 {
  font-family: var(--font-family-serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin: 44px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.doc-article h2:first-child {
  margin-top: 12px;
}

.doc-article hr.doc-hr {
  margin: 28px 0 4px;
  border: 0;
  border-top: 1px solid var(--color-rule);
  opacity: 0.6;
}

.doc-article hr.doc-hr + h2 {
  margin-top: 24px;
}

.doc-article h3 {
  font-family: var(--font-family-serif);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin: 30px 0 12px;
}

.doc-article h4 {
  font-family: var(--font-family-serif);
  font-size: 15px;
  font-weight: 600;
  margin: 24px 0 10px;
  color: var(--color-text);
}

.doc-article p {
  margin: 14px 0;
}

.doc-article code {
  font-family: var(--font-family-mono);
  font-size: 0.9em;
  background: var(--color-accent-soft);
  padding: 1px 5px;
  border-radius: 3px;
}

.doc-article pre {
  margin: 16px 0;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-panel);
  overflow-x: auto;
  line-height: 1.6;
}

.doc-article pre code {
  display: block;
  background: none;
  padding: 0;
  font-size: 13px;
}

/* 宽表横向滚动容器 */
.doc-table-wrap {
  margin: 16px 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--color-panel);
}

.doc-table-wrap::-webkit-scrollbar {
  height: 8px;
}

.doc-table-wrap::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 4px;
}

.doc-table-wrap::-webkit-scrollbar-thumb:hover {
  background: var(--color-muted);
}

.doc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: var(--color-panel);
}

.doc-table th,
.doc-table td {
  border-bottom: 1px solid var(--color-border);
  padding: 8px 12px;
  text-align: left;
  vertical-align: top;
}

.doc-table thead th {
  border-top: 2px solid var(--color-rule);
  border-bottom: 1px solid var(--color-rule);
  font-weight: 600;
  white-space: nowrap;
  background: var(--color-table-head);
}

.doc-table tbody tr:last-child td {
  border-bottom: 2px solid var(--color-rule);
}

.doc-table tbody tr:nth-child(even) {
  background: var(--color-row-even);
}

.doc-table tbody tr:hover {
  background: var(--color-row-hover);
}

.doc-note {
  margin: 6px 0 18px;
  padding-left: 1.2em;
  color: var(--color-muted);
  font-size: 13.5px;
}

.doc-note li {
  margin: 4px 0;
}

.doc-list {
  padding-left: 1.4em;
  margin: 12px 0;
}

.doc-list li {
  margin: 8px 0;
}

.doc-tip {
  margin: 18px 0;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  background: var(--color-accent-soft);
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-muted);
}

.doc-tip a {
  color: var(--color-accent);
}

@media (max-width: 768px) {
  .doc-nav {
    gap: 0 20px;
  }

  .doc-article {
    font-size: 15px;
  }

  .doc-article .doc-lead {
    font-size: 20px;
  }

  .doc-table {
    font-size: 12.5px;
  }

  .doc-table th,
  .doc-table td {
    padding: 6px 9px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
  }

  .github-corner:hover .octo-arm {
    animation: none;
  }
}

@media (max-width: 768px) {
  .page-header {
    padding-top: 76px;
  }

  .header-actions {
    left: 24px;
    right: 72px;
    justify-content: flex-end;
    flex-wrap: wrap;
  }

  .github-corner {
    width: 64px;
    height: 64px;
  }

  .header-action-button {
    padding: 4px 9px;
    font-size: 12px;
  }

  .controls {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .control {
    min-width: 0;
    width: 100%;
  }

  .controls .control:first-child,
  .controls .search-control {
    grid-column: 1 / -1;
  }

  .controls .control label {
    letter-spacing: 0.05em;
  }

  .view-tabs {
    gap: 0 16px;
    overflow-x: auto;
  }

  .view-tabs-categories {
    gap: 14px 18px;
    margin-left: 10px;
  }

  .table-container.mobile-cards {
    padding: 0;
  }

  .chart-container {
    height: 400px;
  }

  .chart-container canvas {
    max-height: 400px;
  }

  .trends-chart-container {
    height: 380px;
  }

  .chart-section,
  .trends-section {
    padding: 16px 14px 18px;
  }
}

@media (max-width: 520px) {
  main {
    padding-right: 12px;
    padding-left: 12px;
  }

  .dataset-meta {
    padding: 9px 10px;
    border-width: 0 0 0 2px;
    border-radius: 0;
    background: transparent;
  }

  .site-notes {
    margin-top: 32px;
    padding-top: 20px;
  }

  .notes-group {
    padding: 14px 12px;
  }

  .notes-content {
    font-size: 13px;
  }

}