:root {
  --bg: #0b1020;
  --panel: #141b34;
  --panel-2: #1b2445;
  --text: #eef2ff;
  --muted: #9aa6cf;
  --gold: #f6c453;
  --green: #1fc77a;
  --red: #ff6b6b;
  --line: #364169;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top center, rgba(246, 196, 83, 0.08), transparent 28%),
    linear-gradient(180deg, #0a0f1e 0%, #111831 100%);
  color: var(--text);
}
body.loading-open {
  overflow: hidden;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 18px 40px;
}
.hero, .cards, .controls, .chart-card, .table-card {
  margin-bottom: 18px;
}
.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  padding: 6px 2px 4px;
}
.hero-copy {
  max-width: 720px;
}
.hero-eyebrow {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(246, 196, 83, 0.12);
  color: rgba(246, 196, 83, 0.92);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hero h1 {
  margin: 0 0 8px;
  font-size: 36px;
  line-height: 1.1;
}
.hero p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
  max-width: 680px;
}
.card {
  background: rgba(20, 27, 52, 0.92);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 18px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.22);
}
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.cards-gold-overview {
  grid-template-columns: 1.2fr 1fr 1.05fr;
}
.stat-card {
  padding: 20px;
}
.stat-card-primary {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(29, 40, 78, 0.98), rgba(20, 27, 52, 0.96));
}
.stat-card-primary::after {
  content: "";
  position: absolute;
  inset: auto -40px -40px auto;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(246,196,83,0.12) 0%, transparent 68%);
  pointer-events: none;
}
.stat-card-change {
  background: linear-gradient(135deg, rgba(23, 33, 66, 0.95), rgba(20, 27, 52, 0.92));
}
.stat-card-ohlc {
  background: linear-gradient(135deg, rgba(24, 31, 58, 0.95), rgba(20, 27, 52, 0.92));
}
.label {
  display: block;
  color: var(--muted);
  margin-bottom: 10px;
}
.stat-card strong {
  display: block;
  font-size: 30px;
  color: var(--gold);
  margin-bottom: 10px;
  font-variant-numeric: tabular-nums;
}
.stat-card-primary strong {
  font-size: 38px;
  letter-spacing: -0.03em;
}
.stat-card small {
  color: var(--muted);
}
.ohlc-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 10px;
}
.ohlc-item {
  padding: 12px 10px;
  border-radius: 14px;
  background: rgba(255,255,255,0.035);
  border: 1px solid rgba(255,255,255,0.04);
}
.ohlc-name {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
}
.ohlc-item strong {
  margin: 0;
  font-size: 20px;
  color: var(--text);
}
.ohlc-item .price-high {
  color: var(--gold);
}
.ohlc-item .price-low {
  color: var(--green);
}
.controls {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.controls-main {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  flex-wrap: wrap;
}
.controls-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}
.controls-block.is-hidden {
  display: none;
}
.controls-title {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.controls-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.primary-btn-secondary {
  min-width: 124px;
}
.range-group, .view-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.range-btn, .primary-btn, .table-btn {
  border: 0;
  border-radius: 12px;
  padding: 10px 16px;
  font-size: 14px;
  cursor: pointer;
  transition: 0.2s ease;
}
.range-btn, .table-btn, .check-item, .jcj-interval-select {
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02);
}
.hidden { display: none !important; }
.page-loading {
  position: fixed;
  inset: 0;
  background: rgba(6, 10, 22, 0.62);
  backdrop-filter: blur(6px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.loading-panel {
  min-width: 180px;
  background: rgba(20, 27, 52, 0.96);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  padding: 22px 24px;
  text-align: center;
  box-shadow: 0 8px 30px rgba(0,0,0,0.28);
}
.loading-spinner {
  width: 34px;
  height: 34px;
  margin: 0 auto 12px;
  border: 3px solid rgba(246,196,83,0.22);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
.loading-text {
  color: var(--text);
  font-size: 14px;
}
.range-btn {
  background: var(--panel-2);
  color: var(--text);
}
.range-btn.active {
  background: var(--gold);
  color: #211600;
  font-weight: 700;
}
.primary-btn {
  background: linear-gradient(135deg, #f6c453, #f3a617);
  color: #201300;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 132px;
}
.primary-btn.is-loading {
  opacity: 0.9;
}
.btn-loading::before {
  content: "";
  width: 12px;
  height: 12px;
  border: 2px solid rgba(32,19,0,0.25);
  border-top-color: #201300;
  border-radius: 50%;
  display: inline-block;
  animation: spin .8s linear infinite;
  margin-right: 6px;
  vertical-align: -2px;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.table-btn {
  background: var(--panel-2);
  color: var(--text);
  padding: 8px 14px;
}
.table-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}
.check-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 12px;
  background: var(--panel-2);
  color: var(--text);
  font-size: 14px;
}
.check-item input {
  accent-color: var(--gold);
}
.primary-btn:hover, .range-btn:hover, .table-btn:hover {
  transform: translateY(-1px);
}
.primary-btn:focus-visible,
.range-btn:focus-visible,
.table-btn:focus-visible,
.tab-btn:focus-visible,
.jcj-interval-select:focus-visible {
  outline: 2px solid rgba(246,196,83,0.75);
  outline-offset: 2px;
}
.status {
  color: var(--muted);
  font-size: 13px;
}
.status[data-tone="success"] {
  color: #91f2b6;
}
.status[data-tone="error"] {
  color: #ff9c9c;
}
.chart-card {
  padding: 18px;
}
.chart-card canvas {
  width: 100% !important;
  height: 400px !important;
}
.table-card {
  padding: 18px;
}
.table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.table-header h2 {
  margin: 0 0 6px;
  font-size: 20px;
}
.table-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 8px 10px;
  border-radius: 14px;
  background: rgba(255,255,255,0.03);
}
.page-info {
  color: var(--muted);
  font-size: 14px;
}
.table-wrap {
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
}
th, td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
}
th {
  color: var(--muted);
  font-weight: 600;
}
.mobile-recent-list {
  display: none;
}
.empty-row {
  text-align: center;
  color: var(--muted);
  padding: 20px 10px;
}
.site-footer {
  margin-top: 10px;
  padding: 6px 4px 2px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}
.site-footer a {
  color: var(--gold);
  text-decoration: none;
  margin-left: 6px;
}
.site-footer a:hover {
  text-decoration: underline;
}
.rise { color: var(--green) !important; }
.fall { color: var(--red) !important; }

/* ============ Tab Navigation ============ */
.tab-nav {
  display: flex;
  gap: 4px;
  margin-bottom: 18px;
  background: rgba(20, 27, 52, 0.70);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 5px;
  overflow: hidden;
}

.tab-btn {
  flex: 1;
  border: 0;
  border-radius: 12px;
  padding: 14px 24px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  background: transparent;
  color: var(--muted);
  position: relative;
  overflow: hidden;
}

.tab-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 12px;
  opacity: 0;
  transition: opacity 0.3s ease;
  background: linear-gradient(135deg, rgba(246,196,83,0.15), rgba(243,166,23,0.10));
}

.tab-btn:hover {
  color: var(--text);
  transform: none;
}
.tab-btn:hover::before {
  opacity: 1;
}

.tab-btn.active {
  background: linear-gradient(135deg, #f6c453, #f3a617);
  color: #201300;
  box-shadow: 0 4px 16px rgba(246,196,83,0.25);
}
.tab-btn.active::before {
  opacity: 0;
}

.tab-panel {
  display: none;
}
.tab-panel.active {
  display: block;
  animation: tabFadeIn 0.35s ease;
}

@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============ 积存金 Page Styles ============ */
.jcj-cards {
  grid-template-columns: repeat(3, 1fr);
}

.jcj-stat {
  position: relative;
  overflow: hidden;
}
.jcj-stat::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -30%;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(246,196,83,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.jcj-price {
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.5px;
}

.jcj-detail-card {
  padding: 20px;
  margin-bottom: 18px;
}

.jcj-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.jcj-detail-header h2 {
  margin: 0;
  font-size: 20px;
}

.jcj-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.jcj-refresh-btn {
  min-width: 112px;
}

.jcj-auto-check {
  cursor: pointer;
}

.jcj-interval-select {
  border: 0;
  border-radius: 12px;
  padding: 8px 14px;
  font-size: 14px;
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
  outline: none;
  transition: 0.2s ease;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239aa6cf' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}

.jcj-interval-select:hover {
  transform: translateY(-1px);
}

.jcj-interval-select option {
  background: var(--panel);
  color: var(--text);
}

.jcj-chart-title {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 8px;
}

/* 积存金 price pulse animation */
@keyframes pricePulse {
  0%   { text-shadow: 0 0 0 transparent; }
  50%  { text-shadow: 0 0 12px rgba(246,196,83,0.4); }
  100% { text-shadow: 0 0 0 transparent; }
}

.jcj-price.updated {
  animation: pricePulse 0.6s ease;
}

/* ============ Responsive ============ */
@media (max-width: 900px) {
  .container {
    padding: 14px 10px 24px;
  }
  .cards {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .cards-gold-overview {
    grid-template-columns: 1fr;
  }
  .hero {
    flex-direction: column;
    align-items: stretch;
    padding: 12px 2px 4px;
  }
  .hero h1 {
    font-size: 28px;
  }
  .hero p {
    font-size: 14px;
    line-height: 1.6;
  }
  .controls, .chart-card, .table-card, .stat-card {
    padding: 14px;
  }
  .controls-main {
    flex-direction: column;
    align-items: stretch;
  }
  .table-header {
    align-items: flex-start;
  }
  .table-toolbar {
    width: 100%;
    justify-content: space-between;
  }
  .chart-card #goldChart {
    height: 340px !important;
  }
  .jcj-detail-card {
    padding: 14px;
  }
  .jcj-detail-header {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 600px) {
  .container {
    padding: 10px 8px 24px;
  }
  .controls-main,
  .controls-block {
    width: 100%;
  }
  .hero, .card {
    border-radius: 14px;
  }
  .hero {
    gap: 14px;
  }
  .hero-eyebrow {
    margin-bottom: 8px;
  }
  .hero h1 {
    font-size: 22px;
  }
  .stat-card strong {
    font-size: 22px;
  }
  .stat-card-primary strong {
    font-size: 30px;
  }
  .label, .stat-card small, .status, .page-info, #periodText {
    font-size: 12px;
  }
  .range-group {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
    gap: 8px;
  }
  .view-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
    gap: 8px;
  }
  .range-btn {
    min-width: 0;
    width: 100%;
    padding: 10px 8px;
    font-size: 13px;
    white-space: nowrap;
  }
  .check-item {
    width: auto;
    min-width: 0;
    justify-content: center;
    padding: 10px 8px;
    font-size: 13px;
  }
  .primary-btn {
    width: 100%;
    min-width: 0;
  }
  .controls {
    gap: 12px;
  }
  .controls-meta {
    justify-content: flex-start;
    align-items: stretch;
  }
  .primary-btn-secondary {
    width: 100%;
  }
  .ohlc-grid {
    grid-template-columns: 1fr;
  }
  .chart-card {
    margin-bottom: 14px;
    overflow: hidden;
  }
  .chart-card #goldChart {
    height: 250px !important;
  }
  .table-card {
    margin-top: 4px;
  }
  .table-header {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .table-header > div:first-child {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  .table-toolbar {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 0;
    background: transparent;
  }
  .table-toolbar .page-info {
    order: 1;
  }
  .table-btn {
    width: 100%;
  }
  .desktop-table-wrap {
    display: none;
  }
  .mobile-recent-list {
    display: grid;
    gap: 10px;
  }
  .recent-list-item {
    background: rgba(27, 36, 69, 0.88);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    padding: 12px;
  }
  .mobile-recent-list {
    margin-top: 6px;
  }
  .recent-list-date {
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
  }
  .recent-list-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }
  .recent-list-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }
  .recent-list-row span {
    color: var(--muted);
    font-size: 12px;
  }
  .recent-list-row strong {
    font-size: 14px;
    color: var(--text);
  }
  .mobile-empty {
    color: var(--muted);
    text-align: center;
    padding: 16px 0;
  }
  .loading-panel {
    width: 100%;
    max-width: 220px;
    padding: 20px 16px;
  }

  .tab-nav {
    border-radius: 14px;
    padding: 4px;
  }
  .tab-btn {
    padding: 12px 16px;
    font-size: 14px;
    border-radius: 10px;
  }
  .jcj-cards {
    grid-template-columns: 1fr;
  }
  .jcj-controls {
    width: 100%;
  }
  .jcj-refresh-btn {
    flex: 1;
  }
  #jcjChart {
    height: 260px !important;
  }
}