html {
  scroll-behavior: smooth;
}

body.stock-page,
body.contact-page,
body.catalog-page {
  margin: 0;
  padding: 0;
}

html[data-lang="en"] body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

.landing-page {
  background: #0b1220;
}

.landing-page .slide.cover {
  max-width: none;
  min-height: calc(100vh - 56px - 49px);
  margin: 0;
  border-radius: 0;
  box-shadow: none;
}

.cover-brand-mark {
  display: block;
  width: 112px;
  height: 112px;
  margin: 0 auto 18px;
  object-fit: contain;
  filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.28));
}

.site-filing {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 49px;
  box-sizing: border-box;
  padding: 12px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: #0b1220;
  font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
  font-size: 13px;
  line-height: 1.6;
  text-align: center;
}

.site-filing a {
  color: #cbd5e1;
  text-decoration: none;
  transition: color 0.2s;
}

.site-filing a:hover {
  color: #fff;
  text-decoration: underline;
}

.site-filing-divider,
.site-visitor-count {
  color: #94a3b8;
}

.site-visitor-count {
  font-variant-numeric: tabular-nums;
}

.document-stack {
  padding-top: 24px;
}

.document-stack > .slide {
  scroll-margin-top: 80px;
}

.document-stack > .slide:last-child {
  margin-bottom: 28px;
}

.contents-slide .toc-item {
  scroll-margin-top: 80px;
}

.closing-slide .cover-en {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  overflow-wrap: anywhere;
}

/* 联系我们：简洁的信息层级与重点商务入口 */
.contact-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 88% 2%, rgba(249, 168, 37, 0.16), transparent 28rem),
    linear-gradient(180deg, #f8f8f6 0%, #eef1f4 100%);
}

.contact-page .crumb {
  margin-top: 22px;
  margin-bottom: 12px;
}

.contact-main {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto 28px;
}

.contact-panel {
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.12);
}

.contact-intro {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  padding: 44px 48px 32px;
}

.contact-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 10px;
  color: #c62828;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.contact-eyebrow::before {
  width: 28px;
  height: 3px;
  border-radius: 999px;
  background: #f9a825;
  content: "";
}

.contact-intro h1 {
  margin: 0;
  color: #111827;
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.contact-intro > p {
  max-width: 480px;
  margin: 0 0 4px;
  color: #64748b;
  font-size: 15px;
  line-height: 1.9;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(380px, 1.05fr);
  gap: 22px;
  padding: 0 48px 48px;
}

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

.location-card {
  position: relative;
  min-height: 230px;
  overflow: hidden;
  padding: 28px;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  background: #f8fafc;
}

.location-card::after {
  position: absolute;
  right: -32px;
  bottom: -52px;
  width: 140px;
  height: 140px;
  border: 18px solid rgba(198, 40, 40, 0.05);
  border-radius: 50%;
  content: "";
}

.location-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #94a3b8;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.location-index {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 12px;
  background: #c62828;
  color: #fff;
  font-size: 12px;
  letter-spacing: 0;
}

.location-index-yellow {
  background: #f9a825;
  color: #111827;
}

.location-card h2 {
  position: relative;
  z-index: 1;
  margin: 38px 0 8px;
  color: #111827;
  font-size: 20px;
  line-height: 1.35;
}

.location-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: #64748b;
  font-size: 14px;
  line-height: 1.75;
}

.contact-direct {
  position: relative;
  overflow: hidden;
  min-height: 230px;
  padding: 32px 34px;
  border-radius: 18px;
  background: #0b1220;
  color: #fff;
  box-shadow: 0 18px 40px rgba(11, 18, 32, 0.2);
}

.contact-direct::after {
  position: absolute;
  top: -100px;
  right: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(198, 40, 40, 0.48), rgba(198, 40, 40, 0));
  content: "";
}

.contact-direct-label,
.contact-direct h2,
.contact-direct > p,
.contact-actions {
  position: relative;
  z-index: 1;
}

.contact-direct-label {
  color: #f9a825;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.contact-direct h2 {
  margin: 12px 0 6px;
  color: #fff;
  font-size: 24px;
  line-height: 1.35;
}

.contact-direct > p {
  margin: 0;
  color: #94a3b8;
  font-size: 13px;
  line-height: 1.7;
}

.contact-actions {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.contact-action {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  min-height: 48px;
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  text-decoration: none;
  transition: transform 0.2s, border-color 0.2s, background 0.2s;
}

.contact-action:hover {
  transform: translateY(-2px);
  border-color: rgba(249, 168, 37, 0.75);
  background: rgba(255, 255, 255, 0.1);
}

.contact-action span {
  color: #94a3b8;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.contact-action strong {
  overflow-wrap: anywhere;
  color: #fff;
  font-size: 14px;
  font-weight: 650;
}

.contact-action-primary {
  border-color: #f9a825;
  background: #f9a825;
  color: #111827;
}

.contact-action-primary:hover {
  background: #ffb83e;
}

.contact-action-primary span,
.contact-action-primary strong {
  color: #111827;
}

.contact-page .site-footer,
.stock-page .site-footer,
.catalog-page .site-footer {
  max-width: none;
  width: 100%;
  margin: 0;
  border-radius: 0;
  box-sizing: border-box;
}

.stock-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 88% 2%, rgba(249, 168, 37, 0.16), transparent 28rem),
    linear-gradient(180deg, #f8f8f6 0%, #eef1f4 100%);
  color: #111827;
  font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
}

.stock-page .crumb {
  width: min(1200px, calc(100% - 32px));
  margin: 22px auto 12px;
}

.stock-main {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto 28px;
}

.stock-panel {
  overflow: hidden;
  margin-bottom: 18px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.12);
}

.stock-intro {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  padding: 44px 48px 32px;
}

.stock-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 10px;
  color: #c62828;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.stock-eyebrow::before {
  width: 28px;
  height: 3px;
  border-radius: 999px;
  background: #f9a825;
  content: "";
}

.stock-intro h1 {
  margin: 0;
  color: #111827;
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.stock-intro > p {
  max-width: 420px;
  margin: 0 0 4px;
  color: #64748b;
  font-size: 15px;
  line-height: 1.9;
}

.stock-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  padding: 0 48px 36px;
}

.stock-stat {
  min-height: 104px;
  padding: 20px 22px;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  background: #f8fafc;
}

.stock-stat.emphasis {
  background: #0b1220;
  border-color: #0b1220;
  color: #fff;
  box-shadow: 0 14px 30px rgba(11, 18, 32, 0.18);
}

.stock-stat .label {
  color: #64748b;
  font-size: 12px;
  font-weight: 700;
}

.stock-stat.emphasis .label {
  color: #94a3b8;
}

.stock-stat .value {
  margin-top: 10px;
  color: #111827;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.stock-stat.emphasis .value {
  color: #f9a825;
}

.stock-stat .unit {
  margin-left: 4px;
  color: #94a3b8;
  font-size: 13px;
  font-weight: 600;
}

.stock-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 28px 48px 0;
}

.stock-section-head h2 {
  margin: 0;
  color: #111827;
  font-size: 20px;
  font-weight: 800;
}

.stock-section-head .meta {
  color: #64748b;
  font-size: 13px;
}

.stock-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 48px 0;
}

.stock-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid #e5e7eb;
  border-radius: 999px;
  background: #fff;
  color: #334155;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.stock-chip span {
  color: #94a3b8;
  font-variant-numeric: tabular-nums;
}

.stock-chip.active {
  border-color: #0b1220;
  background: #0b1220;
  color: #fff;
}

.stock-chip.active span {
  color: #f9a825;
}

.stock-brand-name {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border: 0;
  border-radius: 999px;
  background: rgba(198, 40, 40, 0.08);
  color: #c62828;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.stock-tabs {
  display: flex;
  gap: 8px;
  margin: 0 0 12px;
}

.stock-tab {
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  color: #64748b;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.stock-tab.active {
  background: #0b1220;
  color: #fff;
}

.stock-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 20px 48px 16px;
}

.stock-search {
  width: min(320px, 100%);
  padding: 10px 14px;
  border: 1px solid #d1d5db;
  border-radius: 12px;
  background: #fff;
  color: inherit;
  font: inherit;
  font-size: 14px;
  outline: none;
}

.stock-search:focus {
  border-color: #c62828;
}

.stock-filter {
  padding: 7px 14px;
  border: 0;
  border-radius: 999px;
  background: #f3f4f6;
  color: #64748b;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.stock-filter.active {
  background: #c62828;
  color: #fff;
}

.stock-count {
  margin-left: auto;
  color: #64748b;
  font-size: 13px;
}

.stock-count span {
  color: #c62828;
  font-weight: 800;
}

.stock-table-wrap {
  overflow: auto;
}

.stock-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.stock-table thead {
  position: sticky;
  top: 0;
  z-index: 2;
}

.stock-table th {
  padding: 12px 16px;
  border-bottom: 1px solid #e5e7eb;
  background: #f8fafc;
  color: #64748b;
  font-weight: 700;
  text-align: left;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

.stock-table th.sorted-asc::after {
  content: " ▲";
  font-size: 10px;
}

.stock-table th.sorted-desc::after {
  content: " ▼";
  font-size: 10px;
}

.stock-table td {
  padding: 10px 16px;
  border-bottom: 1px solid #f1f5f9;
}

.stock-qty {
  color: #111827;
  font-weight: 700;
}

.stock-table tbody tr:hover td {
  background: #fff7ed;
}

.stock-table tr.no-stock td {
  color: #94a3b8;
}

.stock-table .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.stock-table .col-idx {
  width: 56px;
  color: #94a3b8;
  text-align: center;
}

.stock-table .col-part {
  color: #111827;
  font-family: Consolas, "Courier New", monospace;
  font-weight: 700;
}

.stock-table .col-dc {
  color: #7c3aed;
  font-family: Consolas, "Courier New", monospace;
  white-space: nowrap;
}

.stock-empty,
.stock-no-data {
  color: #cbd5e1;
}

.stock-empty {
  padding: 48px 24px;
  text-align: center;
}

.stock-note {
  margin: 8px 0 28px;
  color: #94a3b8;
  font-size: 13px;
  text-align: center;
}

.stock-pager {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 48px 24px;
  color: #64748b;
  font-size: 13px;
}

.stock-pager a {
  color: #c62828;
  font-weight: 700;
  text-decoration: none;
}

.stock-pager .is-disabled {
  color: #cbd5e1;
}

.catalog-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 88% 2%, rgba(249, 168, 37, 0.16), transparent 28rem),
    linear-gradient(180deg, #f8f8f6 0%, #eef1f4 100%);
  color: #111827;
  font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
}

.catalog-page .crumb {
  width: min(1200px, calc(100% - 32px));
  margin: 22px auto 12px;
}

.catalog-main {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto 28px;
}

.catalog-panel {
  overflow: hidden;
  margin-bottom: 18px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.12);
}

.catalog-intro {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  padding: 44px 48px 24px;
}

.catalog-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 10px;
  color: #c62828;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.catalog-eyebrow::before {
  width: 28px;
  height: 3px;
  border-radius: 999px;
  background: #f9a825;
  content: "";
}

.catalog-intro h1 {
  margin: 0;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.catalog-intro > p {
  max-width: 420px;
  margin: 0 0 4px;
  color: #64748b;
  font-size: 15px;
  line-height: 1.9;
}

.catalog-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 0 48px 20px;
}

.catalog-stat {
  min-height: 88px;
  padding: 18px 22px;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  background: #f8fafc;
}

.catalog-stat.emphasis {
  background: #0b1220;
  border-color: #0b1220;
}

.catalog-stat .label {
  color: #64748b;
  font-size: 12px;
  font-weight: 700;
}

.catalog-stat.emphasis .label {
  color: #94a3b8;
}

.catalog-stat .value {
  margin-top: 8px;
  color: #111827;
  font-size: 28px;
  font-weight: 800;
}

.catalog-stat.emphasis .value {
  color: #f9a825;
}

.catalog-stat .unit {
  margin-left: 4px;
  color: #94a3b8;
  font-size: 13px;
  font-weight: 600;
}

.catalog-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 0 48px 32px;
}

.catalog-search {
  width: min(360px, 100%);
  padding: 10px 14px;
  border: 1px solid #d1d5db;
  border-radius: 12px;
  background: #fff;
  font: inherit;
  font-size: 14px;
}

.catalog-submit,
.catalog-reset {
  padding: 10px 16px;
  border: 0;
  border-radius: 12px;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.catalog-submit {
  background: #c62828;
  color: #fff;
}

.catalog-reset {
  background: #f3f4f6;
  color: #64748b;
}

.catalog-brand-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 28px 48px 0;
}

.catalog-brand-title {
  display: flex;
  align-items: center;
  gap: 14px;
}

.catalog-brand-logo {
  width: 72px;
  height: 40px;
  object-fit: contain;
  flex: none;
}

.catalog-brand-head h2 {
  margin: 0;
  font-size: 22px;
  font-weight: 800;
}

.catalog-brand-head h2 span {
  color: #94a3b8;
  font-size: 15px;
  font-weight: 600;
}

.catalog-brand-head .meta {
  color: #64748b;
  font-size: 13px;
}

.catalog-brand-head .meta a {
  color: #c62828;
  text-decoration: none;
  margin-left: 10px;
}

.catalog-desc {
  margin: 12px 48px 0;
  color: #64748b;
  font-size: 14px;
  line-height: 1.7;
}

.catalog-lines {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
  padding: 20px 48px 32px;
}

.catalog-line {
  padding: 14px 16px;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  background: #f8fafc;
}

.catalog-line-image {
  display: block;
  width: 100%;
  height: 88px;
  object-fit: contain;
  margin-bottom: 10px;
  background: #fff;
  border-radius: 8px;
}

.catalog-line strong {
  display: block;
  color: #111827;
  font-size: 14px;
}

.catalog-line span,
.catalog-line em {
  display: block;
  margin-top: 6px;
  color: #64748b;
  font-size: 12px;
  font-style: normal;
}

.catalog-empty {
  padding: 28px 48px;
  color: #94a3b8;
}

@media (max-width: 900px) {
  .landing-page .slide.cover {
    min-height: calc(100vh - 70px - 49px);
  }

  .cover-brand-mark {
    width: 88px;
    height: 88px;
    margin-bottom: 14px;
  }

  .document-stack {
    padding-top: 14px;
  }

  .contact-page .crumb,
  .stock-page .crumb,
  .catalog-page .crumb {
    width: min(100% - 32px, 1200px);
    margin-top: 16px;
  }

  .contact-intro {
    display: block;
    padding: 32px 28px 26px;
  }

  .contact-intro > p {
    margin-top: 16px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    padding: 0 28px 28px;
  }

  .stock-pager {
    padding-left: 28px;
    padding-right: 28px;
  }

  .stock-intro,
  .stock-stats,
  .stock-section-head,
  .stock-chips,
  .stock-toolbar {
    padding-left: 28px;
    padding-right: 28px;
  }

  .stock-intro {
    display: block;
    padding-top: 32px;
    padding-bottom: 26px;
  }

  .stock-intro > p {
    margin-top: 16px;
  }

  .stock-stats {
    grid-template-columns: 1fr 1fr;
  }

  .catalog-intro,
  .catalog-stats,
  .catalog-toolbar,
  .catalog-brand-head,
  .catalog-desc,
  .catalog-lines,
  .catalog-empty {
    padding-left: 28px;
    padding-right: 28px;
  }

  .catalog-intro {
    display: block;
  }

  .catalog-intro > p {
    margin-top: 16px;
  }
}

@media (max-width: 600px) {
  .contact-panel {
    border-radius: 18px;
  }

  .contact-intro {
    padding: 28px 22px 22px;
  }

  .contact-intro h1 {
    font-size: 34px;
  }

  .contact-grid,
  .contact-locations {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    padding: 0 22px 22px;
  }

  .location-card {
    min-height: 190px;
    padding: 24px;
  }

  .location-card h2 {
    margin-top: 28px;
  }

  .contact-direct {
    padding: 28px 24px;
  }

  .contact-action {
    grid-template-columns: 1fr;
    gap: 2px;
    padding: 10px 13px;
  }

  .stock-intro,
  .stock-stats,
  .stock-section-head,
  .stock-chips,
  .stock-toolbar,
  .stock-pager {
    padding-left: 22px;
    padding-right: 22px;
  }

  .stock-intro h1 {
    font-size: 34px;
  }

  .stock-count {
    margin-left: 0;
    width: 100%;
  }

  .catalog-intro,
  .catalog-stats,
  .catalog-toolbar,
  .catalog-brand-head,
  .catalog-desc,
  .catalog-lines,
  .catalog-empty {
    padding-left: 22px;
    padding-right: 22px;
  }

  .catalog-intro h1 {
    font-size: 32px;
  }

  .catalog-stats {
    grid-template-columns: 1fr;
  }
}

@media print {
  .site-nav {
    display: none !important;
  }

  .document-stack {
    padding-top: 0;
  }
}