/* ==========================================================================
   Wenzhou Hongrui New Materials Technology Co., Ltd.
   Enterprise Industrial Maintenance System
   ========================================================================== */

:root {
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-brand: 'Plus Jakarta Sans', var(--font-body);

  /* Enterprise Palette */
  --color-navy-900: #0a1128;
  --color-navy-800: #0f172a;
  --color-slate-700: #334155;
  --color-slate-600: #475569;
  --color-slate-500: #64748b;
  --color-slate-400: #94a3b8;
  --color-slate-200: #e2e8f0;
  --color-slate-100: #f1f5f9;
  --color-slate-50: #f8fafc;
  --color-white: #ffffff;

  /* Material Accent Tones */
  --accent-copper: #c2410c;
  --accent-brass: #b45309;
  --accent-steel: #0284c7;
  --accent-emerald: #059669;
  --accent-emerald-bg: #ecfdf5;
  --accent-emerald-border: #a7f3d0;

  --border-default: #e2e8f0;
  --border-subtle: #f1f5f9;

  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-card: 0 4px 20px -2px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-slate-50);
  color: var(--color-navy-800);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
}

/* ==========================================================================
   Top Corporate Bar
   ========================================================================== */
.top-nav {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--border-default);
  width: 100%;
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0.95rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.brand-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.corporate-symbol {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}

.corporate-symbol svg,
.corporate-symbol img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.brand-title {
  font-family: var(--font-brand);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--color-navy-900);
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-slate-500);
  letter-spacing: 0.02em;
  line-height: 1.4;
}

.nav-meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8rem;
  font-weight: 500;
}

.cert-badge {
  color: var(--color-slate-600);
  padding: 0.35rem 0.65rem;
  background-color: var(--color-slate-100);
  border-radius: 4px;
  border: 1px solid var(--border-default);
}

.meta-icon {
  width: 14px;
  height: 14px;
  color: var(--accent-steel);
}


/* ==========================================================================
   Page Shell & Main Content
   ========================================================================== */
.page-wrapper {
  flex: 1;
  max-width: 1080px;
  width: 100%;
  margin: 2.25rem auto 3rem;
  padding: 0 1.5rem;
}

.content-shell {
  background-color: var(--color-white);
  border: 1px solid var(--border-default);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  padding: 3rem 3.5rem;
}

/* Brushed Industrial Top Line */
.content-shell::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #c2410c 0%, #b45309 30%, #0284c7 70%, #0369a1 100%);
}

/* ==========================================================================
   Notice Header
   ========================================================================== */
.notice-header {
  margin-bottom: 2.75rem;
}

.notice-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: #fff7ed;
  border: 1px solid #ffedd5;
  color: #9a3412;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.8rem;
  border-radius: 4px;
  margin-bottom: 1.25rem;
}

.pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #ea580c;
}

.notice-title {
  font-family: var(--font-brand);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-navy-900);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.notice-lead {
  font-size: 1.08rem;
  line-height: 1.65;
  color: var(--color-slate-600);
  max-width: 820px;
}

.title-cn {
  display: block;
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-slate-600);
  margin-top: 0.35rem;
  letter-spacing: 0.02em;
}

.notice-lead-cn {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--color-slate-500);
  max-width: 820px;
  margin-top: 0.45rem;
}

.status-desc-cn {
  font-size: 0.8rem;
  color: var(--color-slate-500);
  margin-top: 0.35rem;
  line-height: 1.45;
  display: block;
}

.material-desc-cn {
  font-size: 0.8rem;
  color: var(--color-slate-500);
  margin-top: 0.2rem;
  line-height: 1.45;
  display: block;
}

.contact-sub-cn {
  font-size: 0.84rem;
  color: var(--color-slate-500);
  margin-top: 0.25rem;
}

/* ==========================================================================
   Status Grid (Operational Assurance)
   ========================================================================== */
.status-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.status-card {
  background-color: var(--color-slate-50);
  border: 1px solid var(--border-default);
  border-radius: 8px;
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: border-color 0.15s ease;
}

.status-card:hover {
  border-color: #cbd5e1;
}

.status-icon-wrap {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.status-icon-wrap svg {
  width: 20px;
  height: 20px;
}

.icon-prod {
  background-color: #f0fdf4;
  color: #16a34a;
  border: 1px solid #dcfce7;
}

.icon-ship {
  background-color: #f0f9ff;
  color: #0284c7;
  border: 1px solid #e0f2fe;
}

.icon-desk {
  background-color: #fefce8;
  color: #ca8a04;
  border: 1px solid #fef9c3;
}

.status-badge-inline {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-emerald);
  margin-bottom: 0.35rem;
}

.status-heading {
  font-family: var(--font-brand);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-navy-900);
  margin-bottom: 0.35rem;
}

.status-desc {
  font-size: 0.86rem;
  color: var(--color-slate-600);
  line-height: 1.5;
}

/* ==========================================================================
   Materials & Capabilities Section
   ========================================================================== */
.products-section {
  border-top: 1px solid var(--border-default);
  padding-top: 2.25rem;
  margin-bottom: 2.75rem;
}

.section-badge-header {
  margin-bottom: 1.5rem;
}

.section-tag {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-steel);
  display: block;
  margin-bottom: 0.25rem;
}

.section-title {
  font-family: var(--font-brand);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-navy-900);
}

.materials-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem 2rem;
}

.material-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.material-bullet {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  margin-top: 0.4rem;
  flex-shrink: 0;
}

.bullet-copper { background-color: #c2410c; }
.bullet-aluminum { background-color: #0284c7; }
.bullet-nickel { background-color: #64748b; }
.bullet-tech { background-color: #059669; }

.material-name {
  font-family: var(--font-brand);
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--color-navy-900);
  margin-bottom: 0.2rem;
}

.material-desc {
  font-size: 0.85rem;
  color: var(--color-slate-600);
  line-height: 1.45;
}

/* ==========================================================================
   Contact Channels
   ========================================================================== */
.contact-section {
  border-top: 1px solid var(--border-default);
  padding-top: 2.25rem;
}

.contact-intro {
  margin-bottom: 1.5rem;
}

.contact-title {
  font-family: var(--font-brand);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-navy-900);
  margin-bottom: 0.35rem;
}

.contact-sub {
  font-size: 0.9rem;
  color: var(--color-slate-600);
}

.contact-channels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.channel-card {
  background-color: var(--color-slate-50);
  border: 1px solid var(--border-default);
  border-radius: 8px;
  padding: 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.channel-card:hover {
  border-color: #cbd5e1;
  box-shadow: var(--shadow-sm);
}

.channel-card.full-channel {
  grid-column: 1 / -1;
}

.channel-icon {
  width: 42px;
  height: 42px;
  border-radius: 6px;
  background-color: var(--color-white);
  border: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-slate-700);
  flex-shrink: 0;
}

.channel-icon svg {
  width: 20px;
  height: 20px;
}

.channel-content {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.channel-label {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  color: var(--color-slate-500);
  margin-bottom: 0.2rem;
}

.channel-value {
  font-family: var(--font-brand);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-steel);
  text-decoration: none;
  word-break: break-all;
}

.channel-value:hover {
  text-decoration: underline;
  color: #0369a1;
}

.channel-value-static {
  font-family: var(--font-brand);
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--color-navy-900);
}

.channel-note {
  font-size: 0.78rem;
  color: var(--color-slate-500);
  margin-top: 0.3rem;
}

/* ==========================================================================
   Corporate Footer
   ========================================================================== */
.corporate-footer {
  border-top: 1px solid var(--border-default);
  background-color: var(--color-white);
  padding: 1.75rem 1.5rem;
  margin-top: auto;
}

.footer-container {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  font-size: 0.82rem;
  color: var(--color-slate-500);
}

.company-legal {
  font-weight: 600;
  color: var(--color-navy-900);
  margin-bottom: 0.15rem;
}

.company-disclaimer {
  font-size: 0.78rem;
  color: var(--color-slate-500);
}

.footer-right {
  text-align: right;
  flex-shrink: 0;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */
@media (max-width: 900px) {
  .status-grid {
    grid-template-columns: 1fr;
  }

  .materials-grid {
    grid-template-columns: 1fr;
  }

  .content-shell {
    padding: 2.25rem 2rem;
  }
}

@media (max-width: 680px) {
  .nav-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
  }

  .nav-meta {
    width: 100%;
    justify-content: space-between;
  }

  .page-wrapper {
    margin: 1.25rem auto 2rem;
    padding: 0 1rem;
  }

  .content-shell {
    padding: 1.75rem 1.25rem;
  }

  .notice-title {
    font-size: 1.7rem;
  }

  .title-cn {
    font-size: 1.18rem;
  }

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

  .footer-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .footer-right {
    text-align: left;
  }
}