/* 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;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(14px);
}

.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; }

.ai-search {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 1 420px;
  min-width: 220px;
}

.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); }

/* ------------------------------------------------------------------ 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: 980px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 13px;
}
.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; }

/* ------------------------------------------------------------------ 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) {
  .ai-page { padding: 0 14px 56px; }
  .ai-hero { padding: 30px 0 20px; }
  .ai-hero h1 { font-size: 34px; }
  .ai-hero__intro { font-size: 13.5px; }
  .ai-toolbar { position: static; padding: 10px 0; }
  .ai-search { flex: 1 1 100%; min-width: 0; }
  .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-filterbar .ai-field { flex: 1 1 100%; }
  .ai-filterbar .ai-button { flex: 1 1 calc(50% - 5px); }
  .ai-section__head { align-items: flex-start; flex-direction: column; gap: 4px; }
  .ai-result__country { 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 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;
  }
  .ai-table-wrap .ai-table tbody td {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    padding: 7px 0;
    border: 0;
    border-bottom: 1px solid var(--ai-border);
    text-align: right;
  }
  .ai-table-wrap .ai-table tbody td:last-child { border-bottom: 0; }
  .ai-table-wrap .ai-table tbody td::before {
    content: attr(data-label);
    flex: 0 0 84px;
    text-align: left;
    color: var(--ai-gray-light);
    font-size: 11.5px;
    font-weight: 650;
    padding-top: 2px;
  }
  .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;
    text-align: left;
  }
  .ai-table-wrap .ai-table tbody td[data-label="公司"]::before,
  .ai-table-wrap .ai-table tbody td[data-label="Agent 产品"]::before,
  .ai-table-wrap .ai-table tbody td[data-label="公司 / API 平台"]::before { display: block; margin-bottom: 6px; }
  .ai-name-cell { justify-content: flex-start; }
  .ai-rationale { max-width: none; }
}

/* 卡片视图：桌面端也可切换；与移动端规则一致，但仅在 data-view="card" 时生效。 */
.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 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;
}
.ai-table-wrap[data-view="card"] .ai-table tbody td {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 7px 0;
  border: 0;
  border-bottom: 1px solid var(--ai-border);
  text-align: right;
}
.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; }

@media (prefers-reduced-motion: reduce) {
  .ai-card, .ai-model-card { transition: none; }
}