:root {
  --dc-bg: #0b1115;
  --dc-bg-soft: #10181d;
  --dc-panel: rgba(18, 26, 31, .94);
  --dc-panel-solid: #121a1f;
  --dc-panel-soft: #182228;
  --dc-text: #edf3f0;
  --dc-text-2: #bdc8c3;
  --dc-muted: #84918c;
  --dc-mint: #7ad3b3;
  --dc-mint-2: #48ae8c;
  --dc-line: rgba(220, 232, 227, .12);
  --dc-line-strong: rgba(122, 211, 179, .34);
  --dc-shadow: 0 14px 38px rgba(0, 0, 0, .2);
  color-scheme: dark;
}

html[data-theme="light"] {
  --dc-bg: #f4f6f5;
  --dc-bg-soft: #e9eeeb;
  --dc-panel: rgba(255, 255, 255, .96);
  --dc-panel-solid: #ffffff;
  --dc-panel-soft: #eef2f0;
  --dc-text: #17251f;
  --dc-text-2: #465951;
  --dc-muted: #718079;
  --dc-mint: #237d61;
  --dc-mint-2: #329674;
  --dc-line: rgba(36, 57, 48, .13);
  --dc-line-strong: rgba(35, 125, 97, .34);
  --dc-shadow: 0 10px 30px rgba(30, 49, 41, .08);
  color-scheme: light;
}

* { box-sizing: border-box; }
.dc-body {
  min-width: 0;
  margin: 0;
  color: var(--dc-text);
  background: var(--dc-bg);
  font-family: "MiSans", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

.dc-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--dc-line);
  background: color-mix(in srgb, var(--dc-bg) 88%, transparent);
  backdrop-filter: blur(22px) saturate(1.15);
}
.dc-header-inner {
  width: min(1560px, calc(100% - 48px));
  min-height: 66px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 22px;
}
.dc-header .brand {
  min-width: 108px;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 0;
  border: 0;
  color: var(--dc-text);
}
.dc-header .brand img { width: 96px; height: 48px; object-fit: contain; }
.dc-header .brand strong { color: var(--dc-text); font-size: 14px; letter-spacing: .05em; }
.dc-header .brand span { margin-top: 2px; color: var(--dc-muted); font: 700 8px/1.2 Arial, sans-serif; letter-spacing: .16em; }
.dc-header .nav {
  min-width: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3px;
  padding: 0;
}
.dc-header .nav-item {
  position: relative;
  min-width: max-content;
  padding: 10px 10px;
  border: 0;
  border-radius: 6px;
  color: var(--dc-muted);
  background: transparent;
  font-size: 11px;
  font-weight: 650;
  cursor: pointer;
}
.dc-header .nav-item:hover { color: var(--dc-text); background: color-mix(in srgb, var(--dc-mint) 7%, transparent); }
.dc-header .nav-item.active { color: var(--dc-text); background: transparent; box-shadow: none; }
.dc-header .nav-item.active::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 3px;
  height: 2px;
  border-radius: 3px;
  background: var(--dc-mint);
}
.dc-header-actions { display: flex; align-items: center; gap: 9px; }
.dc-header .sidebar-foot {
  min-width: max-content;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0 11px 0 0;
  border: 0;
  color: var(--dc-muted);
  font-size: 9px;
}
.dc-header .sidebar-foot span { margin: 0; color: inherit; font-size: inherit; letter-spacing: 0; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--dc-mint); box-shadow: 0 0 0 5px color-mix(in srgb, var(--dc-mint) 10%, transparent); }
.dc-theme-toggle,
.dc-home-link {
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--dc-line);
  border-radius: 999px;
  color: var(--dc-text);
  background: color-mix(in srgb, var(--dc-panel-solid) 72%, transparent);
}
.dc-theme-toggle { width: 38px; cursor: pointer; }
.dc-home-link { padding: 0 14px; text-decoration: none; font-size: 10px; font-weight: 750; }

.dc-body > .shell { min-height: calc(100vh - 66px); display: block; }
.workspace { min-width: 0; }
.dc-body .topbar {
  position: relative;
  top: auto;
  z-index: 3;
  width: min(1560px, calc(100% - 48px));
  height: auto;
  min-height: 108px;
  margin: 0 auto;
  padding: 20px 0 16px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  border: 0;
  background: transparent;
  backdrop-filter: none;
}
.dc-page-heading .eyebrow { margin: 0 0 9px; color: var(--dc-mint); font: 800 9px/1 Arial, sans-serif; letter-spacing: .2em; }
.dc-body .topbar h1 { margin: 0; color: var(--dc-text); font-size: clamp(31px, 3vw, 47px); line-height: 1; letter-spacing: -.055em; }
.toolbar { display: flex; align-items: center; gap: 10px; }
.date-filter {
  min-height: 58px;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px;
  border: 1px solid var(--dc-line);
  border-radius: 8px;
  background: var(--dc-panel);
  box-shadow: var(--dc-shadow);
}
.date-mode-wrap,
.date-field { color: var(--dc-muted); }
.date-mode-wrap { border-right-color: var(--dc-line); }
.date-mode-wrap select,
.date-field input,
.select-wrap select,
.compare-select select { color: var(--dc-text); background: transparent; }
.date-mode-wrap select option,
.select-wrap select option,
.compare-select select option { color: var(--dc-text); background: var(--dc-panel-solid); }
.date-separator { color: var(--dc-muted); }
.refresh-btn {
  height: 50px;
  padding: 0 17px;
  border: 1px solid var(--dc-mint);
  border-radius: 13px;
  color: #06261c;
  background: var(--dc-mint);
  box-shadow: 0 12px 28px color-mix(in srgb, var(--dc-mint) 15%, transparent);
  font-weight: 800;
}
.refresh-btn:hover { color: #06261c; background: color-mix(in srgb, var(--dc-mint) 83%, white); }
.dc-body .content { width: min(1560px, calc(100% - 48px)); max-width: none; margin: 0 auto; padding: 0 0 70px; }
.loading { color: var(--dc-muted); }
.spinner { border-color: var(--dc-line); border-top-color: var(--dc-mint); }

.hero-strip { margin-bottom: 24px; }
.hero-strip h2 { color: var(--dc-text); font-size: 24px; letter-spacing: -.03em; }
.hero-strip p { color: var(--dc-muted); }
.data-badge,
.pulse-pill { color: var(--dc-mint); background: color-mix(in srgb, var(--dc-mint) 10%, transparent); }
.cards { gap: 12px; margin-bottom: 14px; }
.metric-card,
.panel,
.rank-card,
.material-browser,
.material-card,
.package-library,
.download-card,
.compare-select,
.daily-onboarding {
  color: var(--dc-text);
  border-color: var(--dc-line);
  background: var(--dc-panel);
  box-shadow: var(--dc-shadow);
}
.metric-card { min-height: 126px; padding: 17px; border-radius: 8px; }
.metric-card::after { opacity: .11; filter: saturate(.7); }
.metric-label,
.metric-note,
.panel-head p,
.legend,
.rank-meta,
.material-toolbar p,
.material-search,
.download-card p,
.archive-meta,
.compare-select label { color: var(--dc-muted); }
.metric-value,
.panel-head h3,
.rank-title,
.material-toolbar h3,
.download-card h3 { color: var(--dc-text); }
.metric-icon { color: var(--dc-mint); background: color-mix(in srgb, var(--dc-mint) 10%, transparent); }
.panel { padding: 20px; border-radius: 8px; }
.panel-action,
.mini-stat,
.coverage-item,
.daily-metrics > div,
.daily-note,
.archive-meta span,
.drawer-kpi { color: var(--dc-text-2); background: var(--dc-panel-soft); }
.platform-row { background: var(--dc-panel-soft); }
.progress,
.comparison-track { background: color-mix(in srgb, var(--dc-text) 8%, transparent); }
.chart-empty,
.daily-empty-small,
.daily-platform-card.is-empty { color: var(--dc-muted); background: var(--dc-panel-soft); }
.axis-label { fill: var(--dc-muted); }
.axis-line { stroke: var(--dc-line); }
.select-wrap,
.rank-toolbar .select-wrap,
.daily-toolbar,
.chip,
.search input,
.page-btn,
.material-filter,
.material-search input,
.collection-drawer-grid button {
  color: var(--dc-text-2);
  border-color: var(--dc-line);
  background: var(--dc-panel-solid);
}
.chip.active,
.material-filter.active,
.page-btn.active,
.material-more button,
.archive-actions > a { color: #06261c; border-color: var(--dc-mint); background: var(--dc-mint); box-shadow: none; }
.table-wrap { border-color: var(--dc-line); }
.data-table th { color: var(--dc-muted); background: var(--dc-panel-solid); border-bottom-color: var(--dc-line); }
.data-table td { color: var(--dc-text-2); border-bottom-color: var(--dc-line); }
.data-table tbody tr:hover { background: color-mix(in srgb, var(--dc-mint) 6%, transparent); }
.title-cell,
.rank-stats strong { color: var(--dc-text); }
.rank { background: var(--dc-panel-soft); }
.tag { color: var(--dc-text-2); background: var(--dc-panel-soft); }
.rank-grid { gap: 14px; }
.rank-card { border-radius: 8px; overflow: hidden; }
.rank-card:hover { border-color: var(--dc-line-strong); box-shadow: var(--dc-shadow); }
.cover { background: var(--dc-panel-soft); }
.material-browser { border-radius: 20px; }
.material-card { overflow: hidden; }
.material-thumb,
.material-preview,
.collection-drawer-grid img { background-color: var(--dc-panel-soft); }
.material-card-copy strong { color: var(--dc-text); }
.material-card-copy small { color: var(--dc-muted); }
.material-quick-download,
.collection-arrow { color: #06261c; background: var(--dc-mint); }
.download-notice { border-color: var(--dc-line); background: var(--dc-panel); box-shadow: var(--dc-shadow); }
.license-intro { border-color: var(--dc-line); }
.license-intro h3,
.license-title h4 { color: var(--dc-text); }
.license-intro p,
.license-title small,
.license-scope { color: var(--dc-muted); }
.license-row + .license-row,
.archive-actions { border-color: var(--dc-line); }
.drawer { z-index: 41; color: var(--dc-text); background: var(--dc-panel-solid); box-shadow: -22px 0 70px rgba(0,0,0,.34); }
.drawer-backdrop { z-index: 40; background: rgba(0, 7, 11, .58); backdrop-filter: blur(6px); }
.drawer-close { color: var(--dc-text); background: var(--dc-panel-soft); }
.drawer p { color: var(--dc-text-2); }
.toast { color: #06261c; background: var(--dc-mint); }

.period-board {
  margin-bottom: 20px;
  overflow: hidden;
  border: 1px solid var(--dc-line);
  border-radius: 8px;
  background: var(--dc-panel);
  box-shadow: var(--dc-shadow);
}
.period-board-head {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 15px 18px;
}
.period-board-head h3,
.detail-panel-head h3,
.ranking-detail-head h3 { margin: 0; color: var(--dc-text); font-size: 15px; letter-spacing: 0; }
.period-board-head p,
.detail-panel-head p,
.ranking-detail-head p { margin: 5px 0 0; color: var(--dc-muted); font-size: 10px; }
.period-cutoff { text-align: right; white-space: nowrap; }
.period-cutoff span { display: block; color: var(--dc-muted); font-size: 8px; }
.period-cutoff strong { display: block; margin-top: 4px; color: var(--dc-text-2); font-size: 11px; }
.period-board-body { border-top: 1px solid var(--dc-line); }
.platform-period-row { display: grid; grid-template-columns: 145px minmax(0, 1fr); }
.platform-period-row + .platform-period-row { border-top: 1px solid var(--dc-line); }
.platform-period-row > header,
.hot-source-panel > header { display: flex; align-items: center; gap: 9px; }
.platform-period-row > header { padding: 16px 18px; }
.platform-period-row h4 { margin: 0; color: var(--dc-text); font-size: 12px; }
.platform-period-row header span:not(.platform-logo) { display: block; margin-top: 3px; color: var(--dc-muted); font-size: 9px; }
.period-cells { min-width: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.period-cell { min-width: 0; padding: 14px 16px 13px; border-left: 1px solid var(--dc-line); }
.period-cell-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.period-cell-head span { color: var(--dc-text-2); font-size: 10px; font-weight: 800; }
.period-cell-head small { color: var(--dc-muted); font-size: 9px; white-space: nowrap; }
.period-primary { display: block; min-height: 30px; margin-top: 8px; color: var(--dc-text); font-size: 21px; line-height: 1.25; letter-spacing: 0; }
.period-cell.is-missing .period-primary,
.period-cell.is-stale .period-primary { color: var(--dc-muted); font-size: 16px; }
.period-cell dl { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin: 11px 0 0; }
.period-cell dl div { min-width: 0; }
.period-cell dt { color: var(--dc-muted); font-size: 8px; }
.period-cell dd { margin: 3px 0 0; overflow: hidden; color: var(--dc-text-2); font-size: 11px; font-weight: 750; text-overflow: ellipsis; white-space: nowrap; }
.period-cell > p { margin: 10px 0 0; overflow: hidden; color: var(--dc-muted); font-size: 8px; text-overflow: ellipsis; white-space: nowrap; }
.period-cell.is-missing { background: color-mix(in srgb, var(--dc-panel-soft) 54%, transparent); }
.period-cell.is-stale { background: color-mix(in srgb, var(--dc-panel-soft) 32%, transparent); }

.detail-panel,
.trend-panel { margin-bottom: 18px; }
.detail-panel-head,
.ranking-detail-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 15px; }
.detail-panel-head .table-tools { margin: 0; }
.profile-layout { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 20px; align-items: center; }
.profile-donut { width: 132px; height: 132px; display: grid; place-items: center; border-radius: 50%; background: conic-gradient(var(--profile-accent) var(--profile-angle), var(--dc-panel-soft) 0); }
.profile-donut-core { width: 82px; height: 82px; display: grid; place-content: center; border-radius: 50%; color: var(--dc-text); background: var(--dc-panel-solid); text-align: center; }
.profile-donut-core strong { font-size: 22px; }

.hot-platform-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-bottom: 24px; }
.hot-source-panel { min-width: 0; overflow: hidden; border: 1px solid var(--dc-line); border-radius: 8px; background: var(--dc-panel); box-shadow: var(--dc-shadow); }
.hot-source-panel > header { min-height: 68px; padding: 13px 15px; border-bottom: 1px solid var(--dc-line); }
.hot-source-panel h3 { margin: 0; color: var(--dc-text); font-size: 13px; }
.hot-source-panel header span:not(.platform-logo) { display: block; margin-top: 4px; color: var(--dc-muted); font-size: 9px; }
.hot-source-panel > header > b { margin-left: auto; color: var(--dc-text-2); font-size: 9px; font-weight: 750; white-space: nowrap; }
.hot-source-list { margin: 0; padding: 0; list-style: none; }
.hot-source-list li { min-height: 58px; display: grid; grid-template-columns: 24px minmax(0, 1fr) auto; align-items: center; gap: 10px; padding: 9px 15px; }
.hot-source-list li + li { border-top: 1px solid var(--dc-line); }
.hot-source-list li > span { color: var(--dc-mint); font-size: 11px; font-weight: 850; }
.hot-source-list li div { min-width: 0; }
.hot-source-list strong { display: block; overflow: hidden; color: var(--dc-text); font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.hot-source-list small { display: block; margin-top: 4px; overflow: hidden; color: var(--dc-muted); font-size: 8px; text-overflow: ellipsis; white-space: nowrap; }
.hot-source-list li > b { color: var(--dc-text-2); font-size: 10px; }
.hot-source-panel.is-missing { background: color-mix(in srgb, var(--dc-panel-soft) 35%, var(--dc-panel)); }
.hot-source-empty { min-height: 174px; display: grid; place-content: center; padding: 26px; text-align: center; }
.hot-source-empty strong { color: var(--dc-text-2); font-size: 13px; }
.hot-source-empty p { max-width: 280px; margin: 7px auto 0; color: var(--dc-muted); font-size: 10px; line-height: 1.6; }
.ranking-detail-head { padding-top: 3px; }
.ranking-detail-head .rank-toolbar { margin: 0; }
.rank-distribution { margin-bottom: 16px; }
.category-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 9px; }
.rank-empty { margin-bottom: 18px; }
.pagination { max-width: 100%; flex-wrap: wrap; }
.pagination-gap { min-width: 22px; display: inline-grid; place-items: center; color: var(--dc-muted); font-size: 11px; }

@media (max-width: 1280px) {
  .dc-header-inner { grid-template-columns: auto 1fr; gap: 8px 18px; padding: 8px 0 6px; }
  .dc-header .nav { grid-column: 1 / -1; grid-row: 2; justify-content: flex-start; overflow-x: auto; }
  .dc-header-actions { justify-self: end; }
  .cards { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .rank-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
}

@media (max-width: 800px) {
  .dc-header-inner,
  .dc-body .topbar,
  .dc-body .content { width: min(100% - 28px, 1560px); }
  .dc-header-inner { display: grid; grid-template-columns: 1fr auto; gap: 9px 12px; }
  .dc-header .brand { min-width: 0; }
  .dc-header .brand img { width: 72px; }
  .dc-header .brand span { display: none; }
  .dc-header-actions .sidebar-foot { display: none; }
  .dc-home-link { display: none; }
  .dc-header .nav { width: calc(100vw - 28px); padding-bottom: 2px; scrollbar-width: none; }
  .dc-header .nav-item { padding: 9px 10px; }
  .dc-body .topbar { min-height: 0; padding: 18px 0 14px; display: grid; align-items: start; }
  .dc-body .topbar h1 { font-size: 34px; }
  .toolbar { width: 100%; display: grid; grid-template-columns: 1fr auto; align-items: stretch; }
  .date-filter { min-width: 0; overflow-x: auto; box-shadow: none; }
  .date-field input { width: 105px; }
  .refresh-btn { height: auto; min-height: 50px; }
  .dc-body .content { padding-top: 0; }
  .cards,
  .rank-grid,
  .grid-equal,
  .grid-2,
  .download-grid { grid-template-columns: 1fr; }
  .material-browser { padding: 17px 13px; }
  .material-toolbar { display: grid; }
  .material-search { width: 100%; }
  .material-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .drawer { width: 100vw; }
  .overview-metrics { grid-template-columns: 1fr !important; }
  .period-board-head,
  .detail-panel-head,
  .ranking-detail-head { align-items: flex-start; }
  .platform-period-row { grid-template-columns: 1fr; }
  .platform-period-row > header { padding: 12px 13px; border-bottom: 1px solid var(--dc-line); }
  .period-cells { grid-template-columns: 1fr; }
  .period-cell { padding: 13px; border-left: 0; }
  .period-cell + .period-cell { border-top: 1px solid var(--dc-line); }
  .detail-panel-head,
  .ranking-detail-head { display: grid; }
  .detail-panel-head .table-tools,
  .ranking-detail-head .rank-toolbar { width: 100%; }
  .detail-panel .table-wrap { overscroll-behavior-inline: contain; }
  .detail-panel .data-table { min-width: 760px; }
  .hot-platform-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .profile-layout { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .toolbar { grid-template-columns: 1fr; }
  .refresh-btn { min-height: 44px; }
  .cards { grid-template-columns: 1fr; }
  .material-grid { grid-template-columns: 1fr 1fr; }
  .collection-drawer-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .period-board-head { min-height: 0; align-items: flex-start; }
  .period-cutoff { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}