/* AI 大全（积磊导航内部栏目）
 *
 * 品牌：积磊橙 #FF5A1F → #E8430C；文字 #1D1D1F；次级 #6E6E73；
 * 底色 白 / 冷灰 #F5F5F7 / 暖白 #FBF7F4。Apple 风格：圆角卡片、浅分隔、克制阴影。
 *
 * 移动端表格转卡片：这里不隐藏任何业务行，所有筛选都在服务端完成，
 * 因此不会出现「筛选后 hidden 行仍被 CSS 强制显示」的旧问题。
 */

:root {
  --ai-orange: #FF5A1F;
  --ai-orange-deep: #E8430C;
  --ai-orange-soft: #FFF1EA;
  --ai-ink: #1D1D1F;
  --ai-gray: #6E6E73;
  --ai-gray-light: #8E8E97;
  --ai-bg: #F5F5F7;
  --ai-warm: #FBF7F4;
  --ai-white: #FFFFFF;
  --ai-border: rgba(29, 29, 31, .10);
  --ai-border-strong: rgba(29, 29, 31, .18);
  --ai-radius: 18px;
  --ai-radius-small: 12px;
  --ai-shadow: 0 10px 30px rgba(29, 29, 31, .06);
  --ai-font: -apple-system, BlinkMacSystemFont, "SF Pro SC", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

.ai-page {
  max-width: 1240px;
  margin: 0 auto;
  padding: 8px 22px 72px;
  font-family: var(--ai-font);
  color: var(--ai-ink);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

.ai-page a { color: inherit; }

/* ------------------------------------------------------------------ Hero */

.ai-hero {
  padding: 46px 0 28px;
  border-bottom: 1px solid var(--ai-border);
}

.ai-hero--compact { padding-top: 36px; }

.ai-eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ai-orange-deep);
  font-weight: 700;
}

.ai-hero h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.06;
  letter-spacing: -.02em;
  font-weight: 760;
  overflow-wrap: anywhere;
}

.ai-hero__subtitle {
  margin: 16px 0 0;
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.5;
  color: var(--ai-gray);
  font-weight: 500;
}

.ai-hero__intro {
  max-width: 760px;
  margin: 14px 0 0;
  color: var(--ai-gray);
  font-size: 15px;
  line-height: 1.8;
}

/* ------------------------------------------------------------------ Toolbar */

.ai-toolbar {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 16px 0;
  border-bottom: 1px solid var(--ai-border);
  position: sticky;
  /* 顶部站点 Header 也是 sticky（min-height 68px）；工具条必须让开它的高度，
     否则滚动时两层一起钉在 top:0，AI 导航和「进入积磊社群」按钮会叠在一起。 */
  top: 68px;
  z-index: 20;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(14px);
}
body.directory-classic .ai-toolbar { top: 64px; }

.ai-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.ai-tabs::-webkit-scrollbar { display: none; }

.ai-tab {
  flex: 0 0 auto;
  padding: 9px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ai-gray);
  text-decoration: none;
  white-space: nowrap;
}
.ai-tab:hover { background: var(--ai-bg); color: var(--ai-ink); }
.ai-tab.is-active { background: var(--ai-ink); color: #fff; }

/* 全站搜索入口：桌面端始终展开，手机端由 ai-catalog.js 收起为「全站搜索」按钮；
 * 没有 JavaScript 时保持展开，跨栏目搜索仍然可用。 */
.ai-global-search { flex: 0 1 420px; min-width: 220px; }
.ai-global-search__toggle { display: none; }

.ai-search {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  min-width: 0;
}

.ai-search input {
  flex: 1 1 auto;
  min-width: 0;
  height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--ai-border-strong);
  background: var(--ai-white);
  font: inherit;
  font-size: 14px;
  color: var(--ai-ink);
  outline: none;
}
.ai-search input:focus { border-color: var(--ai-orange); box-shadow: 0 0 0 3px rgba(255, 90, 31, .14); }
.ai-search button {
  height: 38px;
  padding: 0 16px;
  border: 0;
  border-radius: 999px;
  background: var(--ai-orange);
  color: #fff;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}
.ai-search button:hover { background: var(--ai-orange-deep); }

.ai-suggest {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  z-index: 50;
  background: #fff;
  border: 1px solid var(--ai-border);
  border-radius: var(--ai-radius-small);
  box-shadow: var(--ai-shadow);
  overflow: hidden;
}
.ai-suggest__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 14px;
  text-decoration: none;
  font-size: 14px;
  border-bottom: 1px solid var(--ai-border);
}
.ai-suggest__item:last-child { border-bottom: 0; }
.ai-suggest__item:hover, .ai-suggest__item.is-active { background: var(--ai-orange-soft); }
.ai-suggest__type { flex: 0 0 auto; font-size: 11px; color: var(--ai-orange-deep); font-weight: 700; }
.ai-suggest__title { font-weight: 600; }
.ai-suggest__sub { color: var(--ai-gray); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ai-suggest__empty { padding: 12px 14px; color: var(--ai-gray); font-size: 13px; }

/* ------------------------------------------------------------------ Layout primitives */

.ai-section {
  padding: 30px 0;
  border-bottom: 1px solid var(--ai-border);
}
.ai-section:last-child { border-bottom: 0; }

.ai-section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}
.ai-section__head h2 {
  margin: 0;
  font-size: 21px;
  letter-spacing: -.01em;
  font-weight: 720;
}
.ai-section__head > span {
  color: var(--ai-gray);
  font-size: 13px;
}

.ai-hint, .ai-stat-note {
  margin: 10px 0 0;
  color: var(--ai-gray-light);
  font-size: 12.5px;
  line-height: 1.7;
}

.ai-muted { color: var(--ai-gray-light); }
.ai-mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }
.ai-warning {
  margin: 12px 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--ai-orange-soft);
  color: #8A3A16;
  font-size: 12.5px;
  line-height: 1.7;
}

/* ------------------------------------------------------------------ Stats */

.ai-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.ai-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px;
  border-radius: var(--ai-radius);
  background: var(--ai-warm);
  border: 1px solid var(--ai-border);
  text-decoration: none;
}
.ai-stat span { color: var(--ai-gray); font-size: 12.5px; }
.ai-stat strong { font-size: 30px; line-height: 1.1; letter-spacing: -.02em; }
.ai-stat:hover { border-color: var(--ai-orange); }

/* ------------------------------------------------------------------ Module cards */

.ai-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.ai-card {
  display: flex;
  flex-direction: column;
  min-height: 190px;
  padding: 20px;
  border-radius: var(--ai-radius);
  background: #fff;
  border: 1px solid var(--ai-border);
  text-decoration: none;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.ai-card:hover { transform: translateY(-2px); border-color: var(--ai-orange); box-shadow: var(--ai-shadow); }
.ai-card__count { color: var(--ai-orange-deep); font-size: 13px; font-weight: 700; }
.ai-card__count small { font-weight: 500; color: var(--ai-gray); }
.ai-card h2 { margin: 8px 0 8px; font-size: 18px; }
.ai-card p { margin: 0; color: var(--ai-gray); font-size: 13.5px; line-height: 1.7; flex: 1; }
.ai-card__more { margin-top: 14px; font-size: 13px; font-weight: 700; color: var(--ai-orange-deep); }

/* ------------------------------------------------------------------ Meta / facts */

.ai-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}
.ai-meta-grid > div {
  padding: 14px 16px;
  border-radius: var(--ai-radius-small);
  background: var(--ai-bg);
}
.ai-meta-grid dt { color: var(--ai-gray); font-size: 12px; }
.ai-meta-grid dd { margin: 6px 0 0; font-size: 14px; font-weight: 650; }

.ai-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--ai-border);
  border: 1px solid var(--ai-border);
  border-radius: var(--ai-radius-small);
  overflow: hidden;
}
.ai-facts > div { padding: 14px 16px; background: #fff; }
.ai-facts dt { color: var(--ai-gray); font-size: 12px; }
.ai-facts dd { margin: 6px 0 0; font-size: 14px; line-height: 1.6; overflow-wrap: anywhere; }

.ai-meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin: 10px 0 0;
  color: var(--ai-gray);
  font-size: 12.5px;
}

/* ------------------------------------------------------------------ Badges / chips / buttons */

.ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  line-height: 1.5;
  white-space: nowrap;
}
.ai-badge--ok { background: #E8F6EC; color: #1C6B3A; }
.ai-badge--warn { background: #FFF1EA; color: #9A3E14; }
.ai-badge--muted { background: var(--ai-bg); color: var(--ai-gray); }

.ai-chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.ai-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--ai-border-strong);
  background: #fff;
  color: var(--ai-gray);
  font-size: 13px;
  text-decoration: none;
}
.ai-chip small { color: var(--ai-gray-light); font-size: 11px; }
.ai-chip:hover { border-color: var(--ai-orange); color: var(--ai-ink); }
.ai-chip.is-active { background: var(--ai-ink); border-color: var(--ai-ink); color: #fff; }
.ai-chip.is-active small { color: rgba(255, 255, 255, .7); }
.ai-chip--tiny { padding: 3px 8px; font-size: 11.5px; background: var(--ai-bg); border-color: transparent; }
.ai-chip--agent { background: var(--ai-orange-soft); color: #8A3A16; }

.ai-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 38px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--ai-border-strong);
  background: #fff;
  color: var(--ai-ink);
  font: inherit;
  font-size: 13.5px;
  font-weight: 650;
  text-decoration: none;
  cursor: pointer;
}
.ai-button:hover { border-color: var(--ai-orange); color: var(--ai-orange-deep); }
.ai-button--primary { background: var(--ai-orange); border-color: var(--ai-orange); color: #fff; }
.ai-button--primary:hover { background: var(--ai-orange-deep); color: #fff; }
.ai-button.is-active { background: var(--ai-ink); border-color: var(--ai-ink); color: #fff; }

.ai-rank { font-size: 18px; font-weight: 760; color: var(--ai-orange-deep); }
.ai-score { display: block; color: var(--ai-gray-light); font-size: 11px; }
.ai-rating {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12.5px;
  font-weight: 700;
}
.ai-rating--pending { color: var(--ai-gray-light); }

/* ------------------------------------------------------------------ Filter bar */

.ai-filterbar {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}
.ai-field { display: flex; flex-direction: column; gap: 6px; min-width: 150px; flex: 1 1 160px; }
.ai-field span { color: var(--ai-gray); font-size: 12px; }
.ai-field input, .ai-field select {
  height: 38px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid var(--ai-border-strong);
  background: #fff;
  font: inherit;
  font-size: 13.5px;
  color: var(--ai-ink);
  outline: none;
}
.ai-field input:focus, .ai-field select:focus { border-color: var(--ai-orange); box-shadow: 0 0 0 3px rgba(255, 90, 31, .12); }

/* 公司榜：搜索 / 国家 / 排名 / 排名依据 / 视图切换压在一行内。 */
.ai-filterbar--ranking { gap: 8px; }
.ai-filterbar--ranking .ai-field--search { flex: 1 1 240px; max-width: 340px; }
.ai-filterbar--ranking .ai-field--country { flex: 0 1 130px; min-width: 110px; }
.ai-filterbar--ranking .ai-field--rank { flex: 0 1 150px; min-width: 130px; }
.ai-filterbar--ranking .ai-button { flex: 0 0 auto; }
.ai-filterbar__spacer { flex: 1 1 auto; min-width: 8px; }
.ai-rank-basis { position: relative; }
.ai-rank-basis summary {
  display: inline-flex;
  align-items: center;
  height: 38px;
  padding: 0 14px;
  border: 1px solid var(--ai-border-strong);
  border-radius: 999px;
  background: #fff;
  font-size: 13.5px;
  font-weight: 650;
  white-space: nowrap;
  cursor: pointer;
  list-style: none;
}
.ai-rank-basis summary::-webkit-details-marker { display: none; }
.ai-rank-basis summary:hover { border-color: var(--ai-orange); color: var(--ai-orange-deep); }
.ai-rank-basis__panel {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  z-index: 40;
  width: min(560px, calc(100vw - 32px));
  max-height: 70vh;
  overflow: auto;
  padding: 16px 18px;
  border: 1px solid var(--ai-border);
  border-radius: var(--ai-radius-small);
  background: #fff;
  box-shadow: 0 18px 48px rgba(29, 29, 31, .16);
}
.ai-rank-basis__panel h3 { margin: 0 0 8px; font-size: 14px; }
.ai-rank-basis__panel p { margin: 8px 0; color: var(--ai-gray); font-size: 12.5px; line-height: 1.7; }

/* ------------------------------------------------------------------ Table */

.ai-table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--ai-border);
  border-radius: var(--ai-radius);
  background: #fff;
}
.ai-table {
  width: 100%;
  min-width: 1080px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 13px;
}
/* 代表模型与产品 chip 变宽后，排名 / 国家 / 核验 / 详情保持单行，避免被挤成竖排文字。 */
.ai-table tbody td[data-label="排名"],
.ai-table tbody td[data-label="国家"],
.ai-table tbody td[data-label="核验"],
.ai-table tbody td[data-label="详情"] { white-space: nowrap; }
.ai-table tbody td[data-label="核验"] .ai-badge,
.ai-table tbody td[data-label="详情"] .ai-link { white-space: nowrap; }
.ai-table--pricing { min-width: 1080px; }
.ai-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 12px 14px;
  text-align: left;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--ai-gray);
  background: var(--ai-warm);
  border-bottom: 1px solid var(--ai-border);
  white-space: nowrap;
}
.ai-table tbody td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--ai-border);
  vertical-align: top;
  line-height: 1.55;
}
.ai-table tbody tr:last-child td { border-bottom: 0; }
.ai-table tbody tr:hover { background: #FCFAF8; }

.ai-name-cell { display: flex; align-items: flex-start; gap: 10px; }
.ai-name-cell > div { min-width: 0; }
.ai-name { display: block; font-size: 14.5px; font-weight: 720; text-decoration: none; }
.ai-name:hover { color: var(--ai-orange-deep); }
.ai-name-cell small { display: block; color: var(--ai-gray-light); font-size: 11.5px; }
.ai-rationale {
  display: block;
  margin-top: 4px;
  color: var(--ai-gray);
  font-size: 11.5px;
  line-height: 1.5;
  max-width: 260px;
}
.ai-rationale-full { color: var(--ai-gray); font-size: 13px; line-height: 1.7; }
.ai-link { text-decoration: none; color: var(--ai-orange-deep); font-weight: 650; white-space: nowrap; }
.ai-api-link { display: inline-block; margin-right: 6px; font-weight: 650; text-decoration: none; color: var(--ai-orange-deep); }
.ai-price { font-weight: 650; font-variant-numeric: tabular-nums; }
.ai-currency { margin-left: 2px; color: var(--ai-gray-light); font-size: 10.5px; }
.ai-custom-model { display: inline-block; margin-left: 4px; color: var(--ai-orange-deep); font-size: 10.5px; }
.ai-sources { display: inline-flex; flex-wrap: wrap; gap: 6px; }
.ai-sources a { color: var(--ai-orange-deep); font-size: 11.5px; text-decoration: none; }

/* ------------------------------------------------------------------ Logo */

.ai-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background-color: var(--ai-bg);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  color: var(--ai-gray);
  font-size: 14px;
  font-weight: 750;
  overflow: hidden;
}
.ai-logo--image { background-size: cover; }
.ai-logo--xs { width: 18px; height: 18px; border-radius: 5px; font-size: 9px; }

/* 代表模型：胶囊带类型底色，右上角类型图标；完整说明放 title。 */
.ai-model-chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  max-width: 100%;
  margin: 8px 10px 2px 0;
  padding: 5px 10px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--ai-bg);
  color: var(--ai-ink);
  font-size: 11.5px;
  vertical-align: middle;
}
.ai-model-chip--general { background: #EEF2FF; border-color: #DCE4FF; }
.ai-model-chip--code { background: #EEF6FF; border-color: #D6E9FF; }
.ai-model-chip--image { background: #FFF7E8; border-color: #F6E3BD; }
.ai-model-chip--video { background: #FFF1F0; border-color: #F6D5D1; }
.ai-model-chip--audio { background: #ECFBF7; border-color: #C8EFE3; }
.ai-model-chip--music { background: #FDF0F8; border-color: #F3CFE3; }
.ai-model-chip--multimodal { background: #EFF9FF; border-color: #CFEAF8; }
.ai-model-chip--embedding { background: #F5F0FF; border-color: #E2D5F8; }
.ai-model-chip--world { background: #ECFDF5; border-color: #C9F0DD; }
.ai-model-chip--model3d { background: #F3F5F8; border-color: #DDE2EA; }
.ai-model-chip--robot { background: #FFF4EA; border-color: #F6DEC5; }
.ai-model-chip--science { background: #FCF0FF; border-color: #F0D0FA; }
.ai-model-chip--other { background: var(--ai-bg); border-color: var(--ai-border); }
.ai-model-chip__name {
  max-width: 100%;
  overflow-wrap: anywhere;
  white-space: normal;
}
.ai-model-chip__type {
  position: absolute;
  top: -7px;
  right: -5px;
  display: grid;
  place-items: center;
  width: 16px;
  height: 16px;
  border: 1px solid var(--ai-border);
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(29, 29, 31, .10);
}
.ai-model-chip__type svg { width: 11px; height: 11px; }
.ai-model-chip__status { flex: 0 0 auto; color: #9A3E14; font-size: 9.5px; }

/* 模型列表容器：桌面保持原有 inline 流；手机端才切换为可换行的 flex，
 * 避免每个 chip 被父级 flex 压成一字一行。 */
.ai-model-list { min-width: 0; }
.ai-model-more { display: none; }
.ai-company-profile { display: none; }

/* AI 模型类型：按类型分组的高密度卡片目录。
 * 默认只展示图标、名称与必要状态；公司 / 类型 / 开源 / 简介放在悬浮层。 */
.ai-model-world { display: flex; flex-direction: column; gap: 4px; }
.ai-model-group {
  padding: 18px 0 16px;
  border-bottom: 1px solid var(--ai-border);
}
.ai-model-group:last-child { border-bottom: 0; }
.ai-model-group__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
}
.ai-model-group__title { display: flex; align-items: flex-start; gap: 10px; min-width: 0; }
.ai-model-group__title > div { min-width: 0; }
.ai-model-group__title h2 { margin: 2px 0 0; font-size: 17px; line-height: 1.3; color: var(--ai-ink); }
.ai-model-group__title p { margin: 3px 0 0; color: var(--ai-gray); font-size: 12px; line-height: 1.5; }
.ai-model-group__side {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px;
  flex: 0 0 auto;
}
.ai-model-group__count { color: var(--ai-gray-light); font-size: 11.5px; white-space: nowrap; }
.ai-model-group__all {
  color: var(--ai-orange-deep);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}
.ai-model-group__all:hover { text-decoration: underline; }
.ai-model-type { display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.ai-model-type__icon {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--ai-warm);
}
.ai-model-type__icon svg { width: 17px; height: 17px; }
.ai-model-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: 7px;
}
.ai-model-tile {
  position: relative;
  display: flex;
  align-items: stretch;
  min-width: 0;
  border: 1px solid var(--ai-border);
  border-radius: 10px;
  background: #fff;
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.ai-model-tile:hover,
.ai-model-tile:focus-within {
  border-color: var(--ai-orange);
  box-shadow: 0 4px 14px rgba(29, 29, 31, .07);
  transform: translateY(-1px);
}
.ai-model-tile__link {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  min-width: 0;
  padding: 8px 10px 8px 9px;
  color: var(--ai-ink);
  text-decoration: none;
}
.ai-logo--tile { width: 26px; height: 26px; border-radius: 7px; font-size: 11px; }
.ai-model-tile__name {
  min-width: 0;
  font-size: 12.5px;
  font-weight: 650;
  line-height: 1.35;
  overflow: hidden;
  overflow-wrap: anywhere;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.ai-model-tile__status {
  flex: 0 0 auto;
  margin-left: auto;
  padding: 1px 5px;
  border-radius: 999px;
  background: var(--ai-orange-soft);
  color: #8A3A16;
  font-size: 9.5px;
  line-height: 1.6;
  white-space: nowrap;
}
.ai-model-tile__info {
  position: absolute;
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
  display: none;
  place-items: center;
  width: 20px;
  height: 20px;
  padding: 0;
  border: 1px solid var(--ai-border);
  border-radius: 50%;
  background: #fff;
  color: var(--ai-gray);
  font: inherit;
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
}
.ai-model-tile__info:hover,
.ai-model-tile__info:focus-visible,
.ai-model-tile__info[aria-expanded="true"] {
  border-color: var(--ai-orange);
  color: var(--ai-orange-deep);
  outline: none;
}
@media (hover: none) {
  .ai-model-tile__info { display: grid; }
  .ai-model-tile__link { padding-right: 28px; }
}
.ai-model-viewbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.ai-model-viewbar p { margin: 0; color: var(--ai-gray); font-size: 12.5px; }
.ai-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 18px 0 4px;
  color: var(--ai-gray);
  font-size: 12.5px;
}
.ai-model-tip .ai-company-tip__head { align-items: center; gap: 8px; }
.ai-model-summary { margin: 0; color: var(--ai-ink); font-size: 14px; line-height: 1.75; }
.ai-model-tip .ai-logo { width: 24px; height: 24px; border-radius: 6px; font-size: 10px; }
.ai-model-tip__summary { margin: 8px 0 0; color: var(--ai-gray); }
.ai-model-tip__state {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 8px;
}
.ai-model-tip__state span {
  padding: 1px 6px;
  border-radius: 999px;
  background: var(--ai-bg);
  color: var(--ai-gray);
  font-size: 10.5px;
}

/* 公司名 + 官网地球入口；悬浮简介由 ai-catalog.js 定位到 body，避免被表格滚动容器裁剪。 */
.ai-name-line { display: flex; align-items: center; gap: 5px; min-width: 0; }
.ai-company-site {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  border-radius: 5px;
  color: var(--ai-gray-light);
}
.ai-company-site:hover { background: var(--ai-bg); }
.ai-company-site svg { width: 14px; height: 14px; }
.ai-company-tip {
  position: fixed;
  z-index: 60;
  width: min(360px, calc(100vw - 24px));
  padding: 14px 16px;
  border: 1px solid var(--ai-border);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 16px 44px rgba(29, 29, 31, .16);
  color: var(--ai-ink);
  font-size: 12.5px;
  line-height: 1.65;
}
.ai-company-tip[hidden] { display: none; }
.ai-company-tip__head { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.ai-company-tip__head strong { font-size: 14px; }
.ai-company-tip__head small { color: var(--ai-gray-light); font-size: 11px; }
.ai-company-tip__meta { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 4px; color: var(--ai-gray); font-size: 11.5px; }
.ai-company-tip__profile { margin: 8px 0 0; color: var(--ai-gray); }
.ai-company-tip__hint { display: block; margin-top: 8px; color: var(--ai-gray-light); font-size: 11px; }

/* API 列价格小卡：DOM 由服务端渲染在单元格里（文本已转义），
   这里只负责样式；定位由 ai-catalog.js 用 position:fixed 计算，避免被表格横向滚动裁掉。 */
.ai-api-cell { display: inline-flex; align-items: center; gap: 6px; flex-wrap: wrap; max-width: 100%; }
.ai-api-tip {
  position: fixed;
  z-index: 61;
  width: min(430px, calc(100vw - 24px));
  padding: 12px 14px;
  border: 1px solid var(--ai-border);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 16px 44px rgba(29, 29, 31, .16);
  color: var(--ai-ink);
  font-size: 12px;
  line-height: 1.6;
  text-align: left;
}
.ai-api-tip[hidden] { display: none; }
.ai-api-tip__table { width: 100%; margin-top: 8px; border-collapse: collapse; }
.ai-api-tip__table th {
  padding: 0 6px 4px 0;
  border-bottom: 1px solid var(--ai-border);
  color: var(--ai-gray-light);
  font-size: 10.5px;
  font-weight: 600;
  text-align: left;
  white-space: nowrap;
}
.ai-api-tip__table td { padding: 5px 6px 5px 0; border-bottom: 1px solid rgba(29, 29, 31, .06); vertical-align: top; }
.ai-api-tip__table tr:last-child td { border-bottom: 0; }
.ai-api-tip__table td:first-child { font-weight: 600; }
.ai-api-tip__table td small { display: block; color: var(--ai-gray-light); font-size: 10.5px; font-weight: 500; }
.ai-api-tip__cur { margin-left: 3px; color: var(--ai-gray-light); font-size: 10px; }
.ai-api-tip__more, .ai-api-tip__empty { margin: 8px 0 0; color: var(--ai-gray); }
.ai-api-tip__note { margin: 8px 0 0; color: var(--ai-gray); font-size: 11.5px; }
.ai-api-tip .ai-company-tip__hint { margin-top: 6px; }
.ai-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.ai-section--first { padding-top: 18px; }

/* 产品 / Agent：图标复用已有 icon class；缺图时显示首字母。 */
.ai-product-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  max-width: 100%;
  margin: 2px 6px 2px 0;
  padding: 2px 8px 2px 3px;
  border: 1px solid var(--ai-border);
  border-radius: 999px;
  background: #fff;
  color: var(--ai-ink);
  font-size: 11.5px;
  text-decoration: none;
  vertical-align: middle;
}
.ai-product-chip:hover { border-color: var(--ai-orange); }
.ai-product-chip--agent { background: var(--ai-orange-soft); border-color: transparent; color: #8A3A16; }
.ai-product-chip__name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 120px;
}
.ai-product-chip__status { flex: 0 0 auto; color: var(--ai-gray-light); font-size: 9.5px; }

.ai-product-list { min-width: 0; }

/* ------------------------------------------------------------------ Model cards */

.ai-model-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.ai-model-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px;
  border-radius: var(--ai-radius);
  border: 1px solid var(--ai-border);
  background: #fff;
  text-decoration: none;
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}
.ai-model-card:hover { transform: translateY(-2px); border-color: var(--ai-orange); box-shadow: var(--ai-shadow); }
.ai-model-card__top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.ai-model-card__meta { display: flex; flex-wrap: wrap; gap: 4px; justify-content: flex-end; }
.ai-model-card__name { font-size: 16px; font-weight: 720; margin-top: 4px; }
.ai-model-card__company { color: var(--ai-gray); font-size: 12.5px; }
.ai-model-card__facts { display: flex; flex-wrap: wrap; gap: 4px 12px; color: var(--ai-gray); font-size: 11.5px; }
.ai-model-card__facts strong { color: var(--ai-ink); font-weight: 650; }
.ai-model-card__foot { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }

/* ------------------------------------------------------------------ Results */

.ai-results { display: flex; flex-direction: column; gap: 8px; }
.ai-result {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--ai-radius-small);
  border: 1px solid var(--ai-border);
  background: #fff;
  text-decoration: none;
}
.ai-result:hover { border-color: var(--ai-orange); }
.ai-result__type {
  flex: 0 0 auto;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--ai-orange-soft);
  color: #8A3A16;
  font-size: 11px;
  font-weight: 750;
}
.ai-result__type--site { background: var(--ai-bg); color: var(--ai-gray); }
.ai-result__body { flex: 1 1 auto; min-width: 0; }
.ai-result__body strong { display: block; font-size: 14.5px; }
.ai-result__body small { display: block; color: var(--ai-gray-light); font-size: 11.5px; }
.ai-result__body p { margin: 5px 0 0; color: var(--ai-gray); font-size: 12.5px; line-height: 1.6; }
.ai-result__country { flex: 0 0 auto; color: var(--ai-gray-light); font-size: 12px; }

/* ------------------------------------------------------------------ Detail */

.ai-detail-hero { padding: 30px 0 24px; border-bottom: 1px solid var(--ai-border); }
.ai-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--ai-gray-light);
  font-size: 12px;
  margin-bottom: 18px;
}
.ai-breadcrumb a { color: var(--ai-gray); text-decoration: none; }
.ai-breadcrumb a:hover { color: var(--ai-orange-deep); }
.ai-detail-hero__row { display: flex; align-items: flex-start; gap: 16px; flex-wrap: wrap; }
.ai-detail-hero__row > div:nth-child(2) { flex: 1 1 320px; min-width: 0; }
.ai-detail-hero h1 { margin: 0; font-size: clamp(28px, 4vw, 44px); letter-spacing: -.02em; overflow-wrap: anywhere; }
.ai-detail-hero__sub { margin: 8px 0 12px; color: var(--ai-gray); font-size: 15px; }
.ai-detail-hero__sub a { text-decoration: none; color: var(--ai-orange-deep); font-weight: 650; }
.ai-detail-hero__actions { display: flex; gap: 8px; flex-wrap: wrap; }

.ai-detail-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(240px, 1fr); gap: 24px; }
.ai-detail-main h2, .ai-detail-side h2 { margin: 0 0 10px; font-size: 17px; }
.ai-detail-main p { margin: 0; color: #3A3A3E; font-size: 14px; line-height: 1.85; }
.ai-detail-side { padding: 18px; border-radius: var(--ai-radius); background: var(--ai-warm); border: 1px solid var(--ai-border); }
.ai-detail-rank { display: flex; align-items: baseline; gap: 10px; margin-bottom: 10px; }
.ai-detail-rank small { color: var(--ai-gray); font-size: 12px; }

.ai-product-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.ai-product-columns h3 { margin: 0 0 10px; font-size: 14px; }
.ai-product-columns p { margin: 8px 0; font-size: 13.5px; }
.ai-product-columns a { text-decoration: none; font-weight: 650; }
.ai-product-columns a:hover { color: var(--ai-orange-deep); }

.ai-controls { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.ai-controls > span {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px;
  border-radius: var(--ai-radius-small);
  background: var(--ai-bg);
  color: var(--ai-gray);
  font-size: 12.5px;
}
.ai-controls > span strong { color: var(--ai-gray-light); font-size: 13px; }
.ai-controls > span.is-on { background: #E8F6EC; color: #1C6B3A; }
.ai-controls > span.is-on strong { color: #1C6B3A; }

.ai-source-list { margin: 10px 0 0; padding-left: 18px; color: var(--ai-gray); font-size: 12.5px; line-height: 1.8; }
.ai-source-list a { color: var(--ai-orange-deep); text-decoration: none; overflow-wrap: anywhere; }

.ai-disclosure {
  margin-top: 14px;
  border: 1px solid var(--ai-border);
  border-radius: var(--ai-radius-small);
  background: #fff;
}
.ai-disclosure summary {
  padding: 13px 16px;
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 650;
}
.ai-disclosure[open] summary { border-bottom: 1px solid var(--ai-border); }
.ai-disclosure p, .ai-disclosure__body { margin: 0; padding: 14px 16px; color: var(--ai-gray); font-size: 12.5px; line-height: 1.75; }
.ai-weight-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.ai-weight-list span { padding: 6px 10px; border-radius: 999px; background: var(--ai-bg); font-size: 12px; color: var(--ai-gray); }
.ai-weight-list strong { color: var(--ai-ink); margin-left: 4px; }

.ai-pagination { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 22px; color: var(--ai-gray); font-size: 13px; }

.ai-empty {
  padding: 46px 20px;
  border: 1px dashed var(--ai-border-strong);
  border-radius: var(--ai-radius);
  text-align: center;
  background: var(--ai-warm);
}
.ai-empty strong { font-size: 16px; }
.ai-empty p { margin: 8px 0 0; color: var(--ai-gray); font-size: 13px; }

/* ------------------------------------------------------------------ Responsive */

@media (max-width: 1080px) {
  .ai-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ai-model-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ai-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ai-meta-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  /* 手机内边距只保留 nav-wrap 的 16px：原来 16 + 14 两层叠加，320px 视口只剩 230px 内容宽。 */
  .ai-page { padding: 0 0 48px; }

  /* 首屏压缩：标题、导航、搜索、筛选不再占满一屏。 */
  .ai-hero { padding: 16px 0 12px; }
  .ai-eyebrow { margin-bottom: 4px; font-size: 10.5px; letter-spacing: .12em; }
  .ai-hero h1 { font-size: 27px; line-height: 1.12; }
  .ai-hero__subtitle { margin-top: 8px; font-size: 13px; line-height: 1.5; }
  .ai-hero__intro { font-size: 13px; line-height: 1.6; }
  .ai-toolbar { position: static; padding: 8px 0; gap: 8px; border-bottom: 0; }
  .ai-tabs { flex: 1 1 0; }
  .ai-tab { padding: 7px 11px; font-size: 13px; }

  /* 全站搜索收起为一个入口；点击后原生 details 展开，JS 失效时默认保持展开。 */
  .ai-global-search { flex: 0 0 auto; min-width: 0; margin-left: auto; }
  .ai-global-search__toggle {
    display: inline-flex; align-items: center; height: 32px; padding: 0 12px;
    border: 1px solid var(--ai-border-strong); border-radius: 999px; background: #fff;
    color: var(--ai-ink); font-size: 12.5px; font-weight: 650; cursor: pointer; list-style: none;
  }
  .ai-global-search__toggle::-webkit-details-marker { display: none; }
  .ai-global-search[open] { flex: 1 1 100%; }
  .ai-global-search[open] .ai-global-search__toggle {
    margin-bottom: 6px; border-color: var(--ai-orange); color: var(--ai-orange-deep);
  }
  .ai-search input, .ai-search button { height: 36px; }

  .ai-section { padding: 14px 0; }
  .ai-section--first { padding-top: 10px; }
  .ai-section__head { align-items: flex-start; flex-direction: column; gap: 3px; margin-bottom: 10px; }
  .ai-section__head h2 { font-size: 18px; }
  .ai-hint { margin-top: 8px; font-size: 11.5px; line-height: 1.55; }

  .ai-cards { grid-template-columns: 1fr; }
  .ai-card { min-height: 0; }
  .ai-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ai-stat { padding: 14px; }
  .ai-stat strong { font-size: 24px; }
  .ai-meta-grid { grid-template-columns: 1fr; }
  .ai-facts { grid-template-columns: 1fr; }
  .ai-model-grid { grid-template-columns: 1fr; }
  .ai-detail-grid { grid-template-columns: 1fr; }
  .ai-product-columns { grid-template-columns: 1fr; }
  .ai-controls { grid-template-columns: 1fr; }
  .ai-result__country { display: none; }

  /* 其他栏目（模型 / Agent / API）的筛选：字段整行，按钮均分。 */
  .ai-filterbar .ai-field { flex: 1 1 100%; }
  .ai-filterbar .ai-button { flex: 1 1 calc(50% - 5px); }

  /* 公司榜筛选：搜索 / 国家 + 筛选 / 排名 + 重置 / 排名依据，高级说明默认折叠。 */
  .ai-filterbar--ranking {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 8px;
  }
  .ai-filterbar--ranking .ai-field { flex: none; width: 100%; min-width: 0; }
  .ai-filterbar--ranking .ai-field > span {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
  }
  .ai-filterbar--ranking .ai-field--search { grid-column: 1 / -1; grid-row: 1; }
  .ai-filterbar--ranking .ai-field--country { grid-column: 1; grid-row: 2; }
  .ai-filterbar--ranking .ai-field--rank { grid-column: 1; grid-row: 3; }
  .ai-filterbar--ranking .ai-filterbar__submit {
    grid-column: 2; grid-row: 2; flex: none; height: 38px; padding: 0 18px;
  }
  .ai-filterbar--ranking .ai-filterbar__reset {
    grid-column: 2; grid-row: 3; flex: none; height: 38px; justify-self: stretch;
  }
  .ai-filterbar--ranking .ai-rank-basis { grid-column: 1 / -1; grid-row: 4; width: auto; }
  .ai-filterbar--ranking .ai-rank-basis summary {
    width: auto; height: 30px; padding: 0 2px; border: 0; background: transparent;
    justify-content: flex-start; color: var(--ai-gray); font-size: 12px;
  }
  .ai-filterbar--ranking .ai-rank-basis summary::after { content: "▾"; margin-left: 4px; font-size: 10px; }
  .ai-filterbar--ranking .ai-rank-basis[open] summary::after { content: "▴"; }
  .ai-filterbar--ranking .ai-rank-basis__panel {
    position: static; width: auto; max-height: none; margin-top: 6px; box-shadow: none;
  }
  .ai-filterbar__spacer { display: none; }
  /* 手机固定使用卡片布局，表格 / 卡片按钮不再各占一整行。 */
  .ai-filterbar--ranking [data-ai-view] { display: none; }

  /* 表格 → 卡片（服务端已筛选，绝不隐藏行）。 */
  .ai-table-wrap { border: 0; background: transparent; overflow: visible; }
  .ai-table-wrap .ai-table { min-width: 0; width: 100%; display: block; }
  .ai-table-wrap .ai-table colgroup { display: none; }
  .ai-table-wrap .ai-table thead { display: none; }
  .ai-table-wrap .ai-table tbody { display: block; }
  .ai-table-wrap .ai-table tbody tr {
    display: block;
    margin-bottom: 12px;
    padding: 8px 14px;
    border: 1px solid var(--ai-border);
    border-radius: var(--ai-radius);
    background: #fff;
    overflow: hidden;
  }
  /* td 必须是块级：flex 会把每个 chip 当成同一行的 item，压成一字一行。 */
  .ai-table-wrap .ai-table tbody td {
    display: block;
    width: auto;
    min-width: 0;
    max-width: 100%;
    padding: 8px 0;
    border: 0;
    border-bottom: 1px solid var(--ai-border);
    text-align: left;
    overflow-wrap: anywhere;
  }
  .ai-table-wrap .ai-table tbody td:last-child { border-bottom: 0; }
  .ai-table-wrap .ai-table tbody td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 5px;
    text-align: left;
    color: var(--ai-gray-light);
    font-size: 11px;
    font-weight: 650;
    letter-spacing: .02em;
  }
  .ai-table-wrap .ai-table tbody td[data-label="公司"],
  .ai-table-wrap .ai-table tbody td[data-label="Agent 产品"],
  .ai-table-wrap .ai-table tbody td[data-label="公司 / API 平台"] { display: block; }
  .ai-name-cell { justify-content: flex-start; }
  .ai-rationale { max-width: none; }

  /* 公司榜专用卡片：排名置顶，公司 / 国家并排，模型与产品各占整行。 */
  .ai-table-wrap .ai-table--companies tbody tr {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    column-gap: 10px;
    padding: 0;
  }
  .ai-table-wrap .ai-table--companies tbody td { grid-column: 1 / -1; }
  .ai-table-wrap .ai-table--companies tbody td[data-label="排名"] {
    display: flex; align-items: baseline; justify-content: space-between; gap: 10px;
    padding: 12px 14px 8px; border-bottom: 0;
  }
  .ai-table-wrap .ai-table--companies tbody td[data-label="排名"]::before { display: none; }
  .ai-table-wrap .ai-table--companies tbody td[data-label="排名"] .ai-score {
    display: inline; margin-left: auto; color: var(--ai-gray); font-size: 13px;
  }
  .ai-table-wrap .ai-table--companies tbody td[data-label="公司"] {
    grid-column: 1; grid-row: 2; padding: 0 0 10px 14px; border-bottom: 0;
  }
  .ai-table-wrap .ai-table--companies tbody td[data-label="公司"]::before { display: none; }
  .ai-table-wrap .ai-table--companies tbody td[data-label="国家"] {
    grid-column: 2; grid-row: 2; padding: 2px 14px 10px 0;
    border-bottom: 0; color: var(--ai-gray); font-size: 12.5px; text-align: right;
  }
  .ai-table-wrap .ai-table--companies tbody td[data-label="国家"]::before { display: none; }
  .ai-table-wrap .ai-table--companies tbody td[data-label="详情"] {
    display: flex; justify-content: flex-end; padding: 10px 14px 12px; border-bottom: 0;
  }
  .ai-table-wrap .ai-table--companies tbody td[data-label="详情"]::before { display: none; }
  .ai-table-wrap .ai-table--companies tbody td[data-label="详情"] .ai-link {
    display: inline-flex; align-items: center; height: 34px; padding: 0 16px;
    border: 1px solid var(--ai-border-strong); border-radius: 999px;
  }

  .ai-table--companies .ai-name-cell { align-items: flex-start; }
  .ai-table--companies .ai-company-profile {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-top: 4px;
    color: var(--ai-gray);
    font-size: 12px;
    line-height: 1.55;
  }
  .ai-table--companies .ai-rationale {
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden; margin-top: 4px;
  }
  .ai-table--companies .ai-rationale::before {
    content: "排名理由："; color: var(--ai-gray-light);
  }

  /* 模型 / 产品整行内自由换行；chip 按内容取宽，长名称只在自身胶囊内换行。 */
  .ai-table--companies .ai-model-list,
  .ai-table--companies .ai-product-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 6px 4px 0 0;
    min-width: 0;
  }
  .ai-table--companies .ai-model-list .ai-model-chip,
  .ai-table--companies .ai-product-list .ai-product-chip {
    margin: 0;
    flex: 0 1 auto;
    min-width: 0;
    max-width: 100%;
  }
  .ai-table--companies .ai-model-list .ai-model-chip__name,
  .ai-table--companies .ai-product-list .ai-product-chip__name {
    max-width: 100%;
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: normal;
  }
  .ai-table--companies .ai-product-chip__status { white-space: nowrap; }
  .ai-table--companies .ai-model-more:not([hidden]) {
    display: inline-flex; align-items: center; margin-top: 8px; height: 32px; padding: 0 12px;
    border: 1px solid var(--ai-border-strong); border-radius: 999px; background: #fff;
    color: var(--ai-orange-deep); font: inherit; font-size: 12px; font-weight: 650; cursor: pointer;
  }
  .ai-table--companies .ai-model-list.is-collapsible:not(.is-expanded) > .ai-model-chip:nth-child(n+5) { display: none; }
  .ai-model-chip { cursor: pointer; }

  /* AI 模型类型：手机端分类标题纵向排布，模型卡片两列；长名称只在自身卡片内换行。 */
  .ai-model-world { gap: 0; }
  .ai-model-group { padding: 14px 0 12px; }
  .ai-model-group__head { flex-direction: column; gap: 8px; margin-bottom: 9px; }
  .ai-model-group__side { justify-content: flex-start; gap: 6px; }
  .ai-model-group__title h2 { font-size: 16px; }
  .ai-model-group__title p { font-size: 11.5px; }
  .ai-model-tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
  .ai-model-tile__link { gap: 6px; padding: 7px 26px 7px 7px; }
  .ai-logo--tile { width: 24px; height: 24px; border-radius: 6px; font-size: 10px; }
  .ai-model-tile__name { font-size: 12px; -webkit-line-clamp: 3; }
  .ai-model-tile__status { margin-left: 0; }
  .ai-model-tile__info { display: grid; right: 4px; width: 19px; height: 19px; font-size: 10px; }
  .ai-model-viewbar { align-items: flex-start; flex-direction: column; gap: 8px; }
  .ai-pagination { padding-top: 14px; }
}

@media (max-width: 340px) {
  .ai-model-tiles { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
  /* 最窄手机优先让出首屏高度：栏目标题已经说明当前栏目，英文小标题可以省掉。 */
  .ai-eyebrow { display: none; }
  .ai-hero { padding-top: 12px; }
}

/* 卡片视图（平板 / 电脑）：独立断点，避免后定义规则覆盖手机卡片布局。
 * 保留「标签在左、内容在右」的桌面卡片结构；模型 / 产品内容整体作为一个 flex 子项，
 * 在剩余宽度内自动换行，而不是让每个 chip 直接参与 td 的 flex 布局被压成竖排。 */
@media (min-width: 761px) {
  .ai-table-wrap[data-view="card"] { border: 0; background: transparent; overflow: visible; }
  .ai-table-wrap[data-view="card"] .ai-table { min-width: 0; display: block; }
  .ai-table-wrap[data-view="card"] .ai-table colgroup { display: none; }
  .ai-table-wrap[data-view="card"] .ai-table thead { display: none; }
  .ai-table-wrap[data-view="card"] .ai-table tbody { display: block; }
  .ai-table-wrap[data-view="card"] .ai-table tbody tr {
    display: block;
    margin-bottom: 12px;
    padding: 8px 16px;
    border: 1px solid var(--ai-border);
    border-radius: var(--ai-radius);
    background: #fff;
    overflow: hidden;
  }
  .ai-table-wrap[data-view="card"] .ai-table tbody td {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    min-width: 0;
    padding: 7px 0;
    border: 0;
    border-bottom: 1px solid var(--ai-border);
    text-align: right;
    overflow-wrap: anywhere;
  }
  .ai-table-wrap[data-view="card"] .ai-table tbody td:last-child { border-bottom: 0; }
  .ai-table-wrap[data-view="card"] .ai-table tbody td::before {
    content: attr(data-label);
    flex: 0 0 96px;
    text-align: left;
    color: var(--ai-gray-light);
    font-size: 11.5px;
    font-weight: 650;
    padding-top: 2px;
  }
  .ai-table-wrap[data-view="card"] .ai-table tbody td[data-label="公司"],
  .ai-table-wrap[data-view="card"] .ai-table tbody td[data-label="Agent 产品"],
  .ai-table-wrap[data-view="card"] .ai-table tbody td[data-label="公司 / API 平台"] { display: block; text-align: left; }
  .ai-table-wrap[data-view="card"] .ai-table tbody td[data-label="公司"]::before,
  .ai-table-wrap[data-view="card"] .ai-table tbody td[data-label="Agent 产品"]::before,
  .ai-table-wrap[data-view="card"] .ai-table tbody td[data-label="公司 / API 平台"]::before { display: block; margin-bottom: 6px; }
  .ai-table-wrap[data-view="card"] .ai-model-list,
  .ai-table-wrap[data-view="card"] .ai-product-list {
    display: flex;
    flex: 1 1 0;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 8px;
    min-width: 0;
    padding-top: 2px;
    text-align: left;
  }
  .ai-table-wrap[data-view="card"] .ai-model-list .ai-model-chip,
  .ai-table-wrap[data-view="card"] .ai-product-list .ai-product-chip {
    margin: 0; flex: 0 1 auto; min-width: 0; max-width: 100%;
  }
  .ai-table-wrap[data-view="card"] .ai-model-list .ai-model-chip__name,
  .ai-table-wrap[data-view="card"] .ai-product-list .ai-product-chip__name {
    max-width: 100%; white-space: normal; overflow-wrap: anywhere; word-break: normal;
  }
  .ai-table-wrap[data-view="card"] .ai-model-more { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .ai-card, .ai-model-card, .ai-model-tile { transition: none; }
  .ai-model-tile:hover, .ai-model-tile:focus-within { transform: none; }
}
.ai-ranking-switch { display:flex; flex-wrap:wrap; gap:10px; margin-top:18px; }