:root {
  --bg: #f5f1e8;
  --surface: #ffffff;
  --surface-2: #f0ece2;
  --text: #16201d;
  --muted: #5e6b66;
  --line: #d9d1c4;
  --accent: #165d4f;
  --accent-dark: #0f453b;
  --gold: #b07f38;
  --shadow: 0 16px 40px rgba(30, 39, 35, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(176, 127, 56, 0.10), transparent 28%),
    radial-gradient(circle at top right, rgba(22, 93, 79, 0.08), transparent 24%),
    var(--bg);
  color: var(--text);
  font: 16px/1.65 "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(217, 209, 196, 0.9);
  background: rgba(245, 241, 232, 0.86);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #2d7b6b);
  color: #fff;
  font-weight: 800;
}

.brand strong {
  display: block;
  font-size: 16px;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.nav-link,
.nav-cta,
.button,
.footer-actions a,
.footer-actions button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.72);
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.nav-cta,
.button.primary {
  border-color: transparent;
  background: var(--accent);
  color: #fff;
}

.nav-link:hover,
.nav-cta:hover,
.button:hover,
.footer-actions a:hover,
.footer-actions button:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.hero,
.page-hero,
.band {
  padding: 44px 0;
}

.hero-grid,
.page-hero-inner,
.grid-two {
  display: grid;
  gap: 24px;
}

.hero-grid {
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.9fr);
  align-items: stretch;
}

.hero-copy h1,
.page-hero h1 {
  margin: 0;
  font-size: clamp(38px, 4vw, 62px);
  line-height: 1.05;
  letter-spacing: 0;
}

.hero-subtitle,
.section-head p,
.page-hero p,
.contact-summary p,
.site-footer p {
  color: var(--muted);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}

.hero-actions,
.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.hero-pills span,
.status-chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
  font-size: 13px;
}

.hero-panel,
.info-card,
.contact-form,
.lead-card,
.metric-box,
.login-panel {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 20px;
  background: linear-gradient(180deg, rgba(255,255,255,0.92), rgba(255,255,255,0.76));
}

.hero-panel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
  color: var(--muted);
}

.metric-grid,
.card-grid,
.detail-list,
.lead-list,
.metric-strip {
  display: grid;
  gap: 14px;
}

.metric-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric-grid dt {
  color: var(--muted);
  font-size: 13px;
}

.metric-grid dd {
  margin: 6px 0 0;
  font-size: 32px;
  font-weight: 800;
}

.section-head {
  margin-bottom: 18px;
}

.section-head h2,
.contact-summary h2 {
  margin: 0;
  font-size: 26px;
  line-height: 1.2;
}

.card-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card-grid.one-col {
  grid-template-columns: 1fr;
}

.info-card,
.lead-card {
  padding: 18px;
}

.info-card h3,
.lead-card strong {
  margin: 0 0 8px;
  font-size: 18px;
}

.info-card p,
.lead-card p {
  margin: 0;
  color: var(--muted);
}

.tool-entry-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow);
  padding: 22px;
}

.tool-entry-panel h2 {
  margin: 0;
  font-size: 26px;
  line-height: 1.2;
}

.tool-entry-panel p:not(.eyebrow) {
  margin: 10px 0 0;
  color: var(--muted);
}

.tool-entry-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.detail-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 0;
  list-style: none;
}

.detail-list li {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.78);
}

.contact-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 0;
}

.grid-two {
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.95fr);
}

.contact-form,
.login-panel {
  padding: 22px;
}

.contact-form label,
.login-panel label,
.cms-form label {
  display: block;
  margin-bottom: 14px;
  font-weight: 650;
}

.contact-form input,
.contact-form select,
.contact-form textarea,
.login-panel input,
.cms-form input,
.cms-form select,
.cms-form textarea {
  width: 100%;
  margin-top: 8px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  font: inherit;
  color: var(--text);
}

.cms-form textarea {
  min-height: 72px;
  resize: vertical;
}

.login-shell {
  display: grid;
  place-items: center;
  min-height: 58vh;
  padding: 44px 16px;
}

.login-panel {
  width: min(420px, 100%);
}

.login-panel h1 {
  margin: 0 0 18px;
  font-size: 30px;
  line-height: 1.15;
}

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

.success-note {
  margin: 12px 0 0;
  color: var(--accent-dark);
}

.metric-strip {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.metric-box {
  padding: 16px;
}

.metric-box span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.metric-box strong {
  display: block;
  margin-top: 6px;
  font-size: 28px;
}

.lead-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
}

.lead-text {
  margin-top: 10px !important;
  color: var(--text) !important;
}

.flash-wrap {
  padding-top: 16px;
}

.flash {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.84);
}

.flash.success {
  border-color: rgba(22, 93, 79, 0.28);
}

.flash.error {
  border-color: rgba(176, 127, 56, 0.28);
}

.site-footer {
  margin-top: 36px;
  padding: 26px 0 34px;
  border-top: 1px solid rgba(217, 209, 196, 0.9);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-actions form {
  margin: 0;
}

.button.full {
  width: 100%;
}

.button.secondary {
  color: var(--text);
}

.admin-actions,
.form-actions,
.check-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.admin-actions {
  justify-content: flex-start;
}

.cms-form {
  display: grid;
  gap: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-grid.nav-grid {
  grid-template-columns: 120px minmax(180px, 0.8fr) minmax(260px, 1.2fr);
}

.cms-section-head {
  margin: 14px 0 0;
}

.cms-fieldset {
  margin: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
}

.cms-fieldset legend {
  padding: 0 8px;
  font-weight: 800;
}

.check-row label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--muted);
}

.check-row input {
  width: auto;
  margin: 0;
}

.nav-editor {
  display: grid;
  gap: 14px;
}

.admin-table {
  display: grid;
  gap: 10px;
}

.admin-row {
  display: grid;
  grid-template-columns: 64px minmax(130px, 0.7fr) minmax(220px, 1fr) 80px;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.72);
}

.admin-row code {
  overflow-wrap: anywhere;
  color: var(--muted);
}

.text-link {
  display: inline-flex;
  margin-top: 12px;
  color: var(--accent-dark);
  font-weight: 800;
}

.energy-hero {
  padding-bottom: 34px;
}

.energy-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 24px;
  align-items: stretch;
}

.energy-status-panel,
.market-card,
.daily-panel,
.signal-item,
.region-card,
.energy-table-wrap,
.ai-card,
.report-row,
.data-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
}

.energy-status-panel {
  display: grid;
  align-content: space-between;
  min-height: 280px;
  padding: 20px;
}

.energy-status-panel strong {
  display: block;
  font-size: 38px;
  line-height: 1.1;
}

.energy-status-panel p {
  margin: 8px 0 0;
  color: var(--muted);
}

.energy-sparkline {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  align-items: end;
  gap: 8px;
  height: 96px;
  margin-top: 18px;
  padding: 12px;
  border: 1px solid rgba(22, 93, 79, 0.16);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(22, 93, 79, 0.08), rgba(176, 127, 56, 0.08));
}

.energy-sparkline span {
  min-height: 18px;
  border-radius: 999px 999px 6px 6px;
  background: linear-gradient(180deg, #2f7d68, #b07f38);
}

.split-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
}

.split-head > p {
  max-width: 420px;
  margin: 0;
}

.energy-market-grid,
.international-grid,
.ai-grid,
.data-center-grid {
  display: grid;
  gap: 14px;
}

.energy-market-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.market-card {
  min-height: 194px;
  padding: 18px;
}

.market-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
}

.market-card-top strong {
  font-size: 15px;
}

.market-card.up .market-card-top strong {
  color: #a14f1f;
}

.market-card.down .market-card-top strong {
  color: #1d6d8f;
}

.market-value {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 22px 0 12px;
}

.market-value strong {
  font-size: 42px;
  line-height: 1;
}

.market-value span,
.market-card p,
.daily-panel p,
.signal-item p,
.region-card p,
.ai-card p,
.report-row p,
.data-card p {
  color: var(--muted);
}

.market-card p,
.daily-panel p,
.signal-item p,
.region-card p,
.ai-card p,
.report-row p,
.data-card p {
  margin: 0;
}

.energy-two-col {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: 18px;
}

.daily-panel {
  padding: 22px;
  background: linear-gradient(135deg, rgba(22, 93, 79, 0.12), rgba(255, 255, 255, 0.84));
}

.daily-panel h2 {
  margin: 0 0 14px;
  font-size: 32px;
  line-height: 1.18;
}

.signal-list {
  display: grid;
  gap: 12px;
}

.signal-item {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 12px;
  align-items: start;
  padding: 16px;
}

.signal-item span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(22, 93, 79, 0.1);
  color: var(--accent-dark);
  font-weight: 800;
}

.international-grid,
.data-center-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.region-card,
.ai-card,
.data-card {
  padding: 18px;
}

.region-card span,
.ai-card span,
.data-card span {
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
}

.region-card h3,
.ai-card h3,
.report-row h3 {
  margin: 8px 0;
  line-height: 1.25;
}

.energy-table-wrap {
  overflow-x: auto;
}

.energy-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: rgba(255, 255, 255, 0.78);
}

.energy-table th,
.energy-table td {
  padding: 15px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

.energy-table th {
  color: var(--muted);
  font-size: 13px;
}

.energy-table tbody tr:last-child td {
  border-bottom: 0;
}

.table-chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(22, 93, 79, 0.1);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
}

.ai-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ai-card {
  min-height: 188px;
  border-color: rgba(22, 93, 79, 0.22);
}

.report-list {
  display: grid;
  gap: 10px;
}

.report-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr) 86px;
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
}

.report-row time,
.report-row > span {
  color: var(--muted);
  font-size: 13px;
}

.report-row > span {
  justify-self: end;
}

.data-card strong {
  display: block;
  margin: 8px 0;
  font-size: 34px;
  line-height: 1;
}

@media (max-width: 980px) {
  .header-inner,
  .footer-inner,
  .contact-cta,
  .tool-entry-panel {
    flex-direction: column;
    align-items: stretch;
  }

  .tool-entry-actions {
    justify-content: flex-start;
  }

  .hero-grid,
  .grid-two,
  .energy-hero-grid,
  .energy-two-col {
    grid-template-columns: 1fr;
  }

  .card-grid,
  .detail-list,
  .metric-strip,
  .form-grid,
  .form-grid.nav-grid,
  .admin-row,
  .energy-market-grid,
  .international-grid,
  .ai-grid,
  .data-center-grid {
    grid-template-columns: 1fr 1fr;
  }

  .split-head {
    display: block;
  }

  .split-head > p {
    max-width: none;
    margin-top: 8px;
  }
}

@media (max-width: 640px) {
  .site-shell {
    width: min(100% - 20px, 1180px);
  }

  .hero,
  .page-hero,
  .band {
    padding: 28px 0;
  }

  .card-grid,
  .detail-list,
  .metric-strip,
  .form-grid,
  .form-grid.nav-grid,
  .admin-row,
  .energy-market-grid,
  .international-grid,
  .ai-grid,
  .data-center-grid,
  .report-row {
    grid-template-columns: 1fr;
  }

  .hero-copy h1,
  .page-hero h1 {
    font-size: 34px;
  }

  .market-value strong {
    font-size: 34px;
  }

  .daily-panel h2 {
    font-size: 26px;
  }

  .report-row > span {
    justify-self: start;
  }

  .tool-entry-actions .button {
    width: 100%;
  }
}