/* 淡色系主题 — 对标政务/门户类浅色界面 */
:root {
  --bg: #f0f4f9;
  --bg-elevated: #ffffff;
  --card: #ffffff;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --txt: #1e293b;
  --muted: #64748b;
  --pri: #0284c7;
  --pri2: #0ea5e9;
  --pri-soft: rgba(14, 165, 233, 0.12);
  --ok: #059669;
  --shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
  --shadow-hover: 0 12px 32px rgba(15, 23, 42, 0.1);
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.55;
  color: var(--txt);
  background: linear-gradient(180deg, #e8f0f8 0%, var(--bg) 32%, #f5f7fa 100%);
}

.container {
  width: min(1160px, 92vw);
  margin: 0 auto;
}

/* Header */
.top {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8);
}

.top .in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 14px 0;
}

.top-bar {
  align-items: center;
  gap: 16px;
}

/* 子页主导航：算力 / 数据集 / 模型服务 … 随意切换 */
.nav-main {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 4px 6px;
  flex: 1;
  min-width: 0;
}

.nav-main a {
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
}

.nav-main a:hover {
  color: var(--pri);
  background: var(--pri-soft);
}

.nav-main a.is-active {
  color: var(--pri);
  font-weight: 600;
  background: var(--pri-soft);
}

.brand {
  color: var(--txt);
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
}

.auth {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 16px;
}

.auth a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.auth a:hover {
  color: var(--pri);
}

/* Hero */
.hero {
  padding: 32px 0 16px;
}

.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--txt);
}

.hero p {
  margin: 0;
  color: var(--muted);
  max-width: 42rem;
}

.badge {
  display: inline-block;
  margin-top: 12px;
  padding: 5px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  color: var(--pri);
  background: var(--pri-soft);
  font-size: 12px;
  font-weight: 500;
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 18px 0;
}

.s {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  box-shadow: var(--shadow);
}

.s .v {
  font-size: 1.35rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--txt);
}

.s .k {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}

/* Panel & filters */
.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  margin: 12px 0;
  box-shadow: var(--shadow);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

input,
select,
button {
  background: #fafbfc;
  color: var(--txt);
  border: 1px solid var(--border-strong);
  border-radius: 9px;
  padding: 9px 12px;
  font-size: 14px;
  max-width: 100%;
}

input:focus,
select:focus,
button:focus {
  outline: none;
  border-color: var(--pri);
  box-shadow: 0 0 0 3px var(--pri-soft);
}

input {
  min-width: 160px;
  flex: 1 1 180px;
}

button {
  cursor: pointer;
}

.btn {
  background: linear-gradient(135deg, var(--pri), var(--pri2));
  color: #fff;
  border: none;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.25);
}

.btn:hover {
  filter: brightness(1.03);
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.3);
}

/* Grid & cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.grid-home {
  margin-top: 8px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(14, 165, 233, 0.35);
}

.card > h3 {
  margin: 0;
  padding: 12px 14px 4px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--txt);
}

.card > .meta {
  font-size: 12px;
  color: var(--muted);
  padding: 0 14px 8px;
  margin: 0;
}

.card .desc {
  font-size: 14px;
  color: var(--muted);
  padding: 0 14px 12px;
  margin: 0;
  flex: 1;
}

.card-link {
  text-decoration: none;
  color: inherit;
}

.card-link .meta {
  padding-bottom: 14px;
}

.thumb {
  width: 100%;
  height: 150px;
  object-fit: cover;
  display: block;
  background: #e2e8f0;
  border: none;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  margin: 0;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding: 0 14px 14px;
}

.tag {
  font-size: 11px;
  padding: 4px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  background: #f8fafc;
}

.ok {
  color: var(--ok);
}

.empty {
  grid-column: 1 / -1;
  padding: 40px 20px;
  text-align: center;
  color: var(--muted);
  background: var(--card);
  border: 1px dashed var(--border-strong);
  border-radius: 12px;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tab {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  cursor: pointer;
  background: #fff;
  color: var(--muted);
}

.tab:hover {
  border-color: var(--pri);
  color: var(--pri);
}

.tab.on {
  background: var(--pri-soft);
  color: var(--pri);
  border-color: rgba(14, 165, 233, 0.45);
  font-weight: 600;
}

/* Footer */
.foot {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 24px 0;
  color: var(--muted);
  font-size: 13px;
  background: rgba(255, 255, 255, 0.6);
}

.foot .cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.foot a {
  color: var(--muted);
  text-decoration: none;
}

.foot a:hover {
  color: var(--pri);
}

.page-home main {
  padding-bottom: 16px;
}

/* 全站统一：顶栏 Tab + 主内容 + 与 compute 同款页脚 */
.page-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.page-layout > main {
  flex: 1;
}

@media (max-width: 820px) {
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .foot .cols {
    grid-template-columns: 1fr;
  }
}

.auth-sep {
  color: var(--border-strong);
  margin: 0 2px;
  user-select: none;
}

/* 算力页样式见 assets/css/compute-opc1.css（仅 compute.html 引入） */

/* 算力页脚（多栏 + 品牌区，接近参考站信息架构） */
.foot-compute {
  padding-top: 32px;
  padding-bottom: 28px;
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  border-top: 1px solid var(--border);
}

.foot-compute .foot-brand {
  margin-bottom: 24px;
  max-width: 420px;
}

.foot-compute .foot-brand strong {
  font-size: 1.1rem;
  color: var(--txt);
}

.foot-brand-sub {
  margin-left: 8px;
  font-size: 0.95rem;
  color: var(--muted);
  font-weight: 600;
}

.foot-brand-desc {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.foot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px 32px;
}

.foot-h {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 700;
  color: var(--txt);
}

.foot-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.foot-list li {
  margin-bottom: 8px;
}

.foot-list a {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

.foot-list a:hover {
  color: var(--pri);
}

.foot-bottom {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  color: var(--muted);
}

.foot-legal a {
  margin-left: 16px;
  color: var(--muted);
  text-decoration: none;
}

.foot-legal a:hover {
  color: var(--pri);
}

@media (max-width: 720px) {
  .foot-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== 数据集市场页（对齐 opc1 /datasets 信息架构） ========== */
.page-datasets .datasets-main {
  flex: 1;
}

.datasets-hero {
  text-align: center;
  padding: 8px 0 4px;
}

.datasets-banner {
  display: block;
  width: 100%;
  max-width: 960px;
  height: auto;
  margin: 0 auto 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  object-fit: cover;
  aspect-ratio: 1200 / 320;
  background: linear-gradient(135deg, #e0f2fe 0%, #f0f9ff 50%, #e2e8f0 100%);
}

.datasets-title {
  margin: 12px 0 8px;
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--txt);
}

.datasets-sub {
  margin: 0 auto;
  max-width: 40rem;
  font-size: 1rem;
  color: var(--muted);
}

.page-datasets .datasets-stats {
  grid-template-columns: repeat(3, 1fr);
}

.datasets-loading {
  text-align: center;
  color: var(--muted);
  padding: 28px 16px;
  margin: 12px 0;
}

.datasets-tools-panel {
  margin-top: 8px;
}

.datasets-tools-title {
  margin: 0 0 16px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--txt);
}

.datasets-tool-block {
  margin-bottom: 16px;
}

.datasets-tool-block:last-of-type {
  margin-bottom: 0;
}

.datasets-tool-h {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--txt);
}

.datasets-cat-chips,
.models-cat-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.datasets-chip,
.models-chip {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: #fff;
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
  box-shadow: none;
}

.datasets-chip:hover,
.models-chip:hover {
  border-color: var(--pri);
  color: var(--pri);
}

.datasets-chip.is-active,
.models-chip.is-active {
  background: var(--pri-soft);
  color: var(--pri);
  border-color: rgba(14, 165, 233, 0.45);
  font-weight: 600;
}

.datasets-lang-select {
  min-width: 200px;
  max-width: 100%;
}

.datasets-grid {
  margin-top: 4px;
}

.datasets-empty {
  border-style: solid;
}

@media (max-width: 820px) {
  .page-datasets .datasets-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-datasets .datasets-stats .s:last-child {
    grid-column: 1 / -1;
  }
}

/* ========== 模型市场页（对齐 opc1 /models） ========== */
.page-models .models-main {
  flex: 1;
}

.models-hero {
  text-align: center;
  padding: 8px 0 4px;
}

.models-banner {
  display: block;
  width: 100%;
  max-width: 960px;
  height: auto;
  margin: 0 auto 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  object-fit: cover;
  aspect-ratio: 1200 / 320;
  background: linear-gradient(135deg, #e0f2fe 0%, #f0f9ff 50%, #e2e8f0 100%);
}

.models-title {
  margin: 12px 0 8px;
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--txt);
}

.models-sub {
  margin: 0 auto;
  max-width: 40rem;
  font-size: 1rem;
  color: var(--muted);
}

.models-badge-row {
  margin: 12px 0 0;
}

.models-loading {
  text-align: center;
  color: var(--muted);
  padding: 28px 16px;
  margin: 12px 0;
}

.models-panel {
  margin-top: 8px;
}

.models-filter-row {
  margin-bottom: 16px;
}

.models-filter-row:last-of-type {
  margin-bottom: 0;
}

.models-filter-h {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--txt);
}

.models-muted-empty {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.models-filters-body.is-collapsed {
  display: none;
}

.models-search-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.models-toggle-filters {
  flex-shrink: 0;
  border: 1px solid var(--border-strong);
  background: #fff;
  color: var(--muted);
  font-size: 14px;
  padding: 9px 14px;
  border-radius: 9px;
  cursor: pointer;
}

.models-toggle-filters:hover {
  border-color: var(--pri);
  color: var(--pri);
}

.models-search-wrap {
  flex: 1 1 220px;
  position: relative;
  min-width: 0;
}

.models-search-input {
  width: 100%;
  padding-right: 40px;
  min-width: 0;
}

.models-search-icon {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  font-size: 15px;
  opacity: 0.55;
}

.models-grid {
  margin-top: 4px;
}

.models-empty {
  border-style: solid;
}