/* ============================================================
   Baisida Gas Redesign - Brand Tokens
   Deep industrial navy + electric cyan accent + safety amber
   ============================================================ */

:root {
  /* Brand primary: deep industrial navy */
  --color-primary: #0B1F3A;
  --color-primary-hover: #132B54;
  --color-primary-light: #1A3A6E;

  /* Accent: electric cyan (gas/tech feel) */
  --color-accent: #00C2FF;
  --color-accent-600: #00A8DD;
  --color-accent-glow: rgba(0, 194, 255, 0.35);

  /* Safety accent: amber */
  --color-safety: #FF8A3D;

  /* Surfaces */
  --color-bg: #FAFBFD;
  --color-surface: #FFFFFF;
  --color-bg-secondary: #F0F4F8;

  /* Text */
  --color-text: #0B1F3A;
  --color-text-secondary: #5A6B80;
  --color-text-tertiary: #8A9AAC;
  --color-text-inverse: #FFFFFF;

  /* Borders */
  --color-border: #E2E8F0;
  --color-border-light: #EDF1F5;

  /* Dark surfaces (for Hero, Footer, Header) */
  --color-dark: #061224;
  --color-dark-card: #0F2340;
  --color-dark-100: #E8EEF5;
  --color-dark-muted: #4A6A8C;
  --color-dark-border: #1E3A5F;

  /* Status */
  --color-success: #10B981;
  --color-danger: #EF4444;
  --color-warning: #F59E0B;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(11, 31, 58, 0.06);
  --shadow-md: 0 4px 12px rgba(11, 31, 58, 0.08);
  --shadow-lg: 0 12px 32px rgba(11, 31, 58, 0.12);
  --shadow-glow: 0 0 40px rgba(0, 194, 255, 0.25);

  /* Legacy aliases (keep compatibility) */
  --color-bg-primary: var(--color-bg);
  --color-text-muted: var(--color-text-secondary);
}

/* ============================================================
   Layout: replace old container with modern wide container
   ============================================================ */

/* 6Gas Platform - Main Stylesheet */
/* Premium Business Style */

:root {
  --color-bg: #fafbfc;
  --color-bg-secondary: #f4f5f7;
  --color-bg-tertiary: #eef0f3;
  --color-surface: #ffffff;
  --color-surface-hover: #f8f9fa;
  
  --color-text-primary: #1a1f2e;
  --color-text-secondary: #4a5568;
  --color-text-tertiary: #718096;
  --color-text-muted: #a0aec0;
  
  --color-border: #e2e8f0;
  --color-border-light: #edf2f7;
  
  --color-accent: #2c5282;
  --color-accent-light: #3182ce;
  --color-accent-dark: #1a365d;
  --color-accent-muted: rgba(44, 82, 130, 0.08);
  
  --color-success: #276749;
  --color-success-bg: #f0fff4;
  --color-warning: #975a16;
  --color-warning-bg: #fffbeb;
  --color-danger: #c53030;
  --color-danger-bg: #fff5f5;
  
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;
  
  --font-display: 'CrimsonPro', Georgia, 'Times New Roman', serif;
  --font-body: 'InstrumentSans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.06), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text-primary);
  background: var(--color-bg);
  font-feature-settings: 'kern', 'liga';
  font-kerning: normal;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

a { color: var(--color-accent); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-accent-dark); }

img { max-width: 100%; height: auto; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: inherit;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
  letter-spacing: 0.01em;
  line-height: 1.4;
}

.btn-primary {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: white;
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.btn-outline:hover {
  background: var(--color-accent-muted);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}
.btn-ghost:hover {
  color: var(--color-text-primary);
  background: var(--color-bg-secondary);
}

.btn-light {
  background: white;
  color: var(--color-accent-dark);
  border-color: white;
}
.btn-light:hover {
  background: rgba(255, 255, 255, 0.9);
}

.btn-success {
  background: var(--color-success);
  color: white;
  border-color: var(--color-success);
}
.btn-danger {
  background: var(--color-danger);
  color: white;
  border-color: var(--color-danger);
}

.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8rem; }
.btn-lg { padding: 0.875rem 1.75rem; font-size: 1rem; }
.btn-block { width: 100%; }

/* ===== Utility Bar ===== */
.utility-bar {
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border-light);
  padding: var(--space-2) 0;
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
}

.utility-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.utility-left, .utility-right {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.utility-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.utility-item a {
  color: var(--color-text-tertiary);
  text-decoration: none;
}

.utility-item a:hover {
  color: var(--color-accent);
}

/* Phone Dropdown */
.phone-dropdown {
  position: relative;
  cursor: pointer;
}

.phone-dropdown .dropdown-arrow {
  font-size: 0.6rem;
  margin-left: 2px;
  transition: transform var(--transition-fast);
}

.phone-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.phone-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--space-2) 0;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-5px);
  transition: all var(--transition-fast);
  z-index: 1000;
}

.phone-dropdown:hover .phone-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.phone-dropdown-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  font-size: 0.75rem;
}

.phone-dropdown-item:hover {
  background: var(--color-bg-secondary);
}

.phone-dropdown-item .phone-label {
  color: var(--color-text-tertiary);
  font-size: 0.7rem;
}

.phone-dropdown-item a {
  color: var(--color-text-primary);
  font-weight: 500;
  text-decoration: none;
}

.phone-dropdown-item a:hover {
  color: var(--color-accent);
}

.lang-selector {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.lang-option {
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  font-size: 0.7rem;
}

.lang-option.active {
  background: var(--color-accent);
  color: white;
}

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 251, 252, 0.95);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  transition: box-shadow var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text-primary);
}

.logo-mark {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--color-accent);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -0.02em;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text .brand-zh {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: 0.02em;
}

.logo-text .brand-en {
  font-family: var(--font-body);
  font-size: 0.65rem;
  color: var(--color-text-tertiary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-item { position: relative; }

.nav-link {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  letter-spacing: 0.01em;
}

.nav-link:hover {
  color: var(--color-text-primary);
  background: var(--color-bg-secondary);
}

.nav-link.active {
  color: var(--color-accent);
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: 1.25rem;
}

.header-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-accent-muted);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
}

.user-dropdown {
  position: relative;
  cursor: pointer;
}

/* ===== Hero Section ===== */
.hero {
  padding: var(--space-9) 0 var(--space-8);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 45%;
  height: 100%;
  background: linear-gradient(135deg, rgba(44, 82, 130, 0.03) 0%, rgba(49, 130, 206, 0.02) 100%);
  border-left: 1px solid var(--color-border-light);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-8);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}

.hero-eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--color-accent);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
  letter-spacing: -0.02em;
}

.hero-title em {
  font-style: italic;
  color: var(--color-accent);
  font-weight: 400;
}

.hero-subtitle {
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--color-text-secondary);
  max-width: 520px;
  margin-bottom: var(--space-7);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-7);
  margin-top: var(--space-7);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.hero-stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1;
  letter-spacing: -0.02em;
}

.hero-stat-label {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
}

.hero-visual {
  position: relative;
  height: 420px;
}

.hero-image-frame {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-placeholder {
  text-align: center;
}

.hero-placeholder-icon {
  font-size: 4rem;
  margin-bottom: var(--space-4);
  opacity: 0.3;
}

.hero-placeholder-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-text-tertiary);
  letter-spacing: 0.05em;
}

/* ===== Section Base ===== */
.section {
  padding: var(--space-9) 0;
}

.section-header {
  max-width: 680px;
  margin-bottom: var(--space-7);
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.section-eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--color-accent);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 400;
  line-height: 1.3;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  letter-spacing: -0.01em;
}

.section-description {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

/* ===== About Section ===== */
.about-section {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

.about-content p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-5);
}

.about-content p:first-of-type {
  font-family: var(--font-display);
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text-primary);
  font-weight: 400;
}

.about-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}

.about-metric {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.about-metric-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1;
  letter-spacing: -0.02em;
}

.about-metric-label {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  line-height: 1.4;
}

/* ===== Product Cards ===== */
.products-section { background: var(--color-bg); }

.products-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  margin-bottom: var(--space-6);
  gap: var(--space-6);
}

.products-header .section-header { margin-bottom: 0; }

.products-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.product-card {
  background: var(--color-surface);
  padding: var(--space-6) var(--space-5);
  transition: background var(--transition-base);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

.product-card:hover {
  background: var(--color-surface-hover);
}

.product-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  font-size: 1.5rem;
  color: var(--color-accent);
  background: var(--color-accent-muted);
  border-radius: var(--radius-md);
}

.product-card h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.product-card p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-4);
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.product-tag {
  font-size: 0.7rem;
  color: var(--color-text-tertiary);
  padding: 2px var(--space-2);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-sm);
}

.product-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

/* ===== Industry Cards ===== */
.industries-section {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.industries-header {
  text-align: center;
  margin: 0 auto var(--space-7);
  max-width: 640px;
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

.industry-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-5);
  transition: all var(--transition-base);
  text-decoration: none;
  color: inherit;
  display: block;
}

.industry-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.industry-icon {
  font-size: 1.75rem;
  margin-bottom: var(--space-4);
  opacity: 0.8;
}

.industry-card h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.industry-card p {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  line-height: 1.7;
}

/* ===== Value Section ===== */
.value-section { background: var(--color-bg); }

.value-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
}

.value-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.value-item {
  display: flex;
  gap: var(--space-4);
}

.value-number {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  min-width: 40px;
  opacity: 0.6;
}

.value-content h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.value-content p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text-tertiary);
}

.value-visual {
  height: 400px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== CTA Section ===== */
.cta-section {
  background: var(--color-accent-dark);
  color: white;
  position: relative;
  overflow: hidden;
  padding: var(--space-8) 0;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, transparent 100%);
}

.cta-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-8);
  align-items: center;
}

.cta-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: var(--space-4);
  letter-spacing: -0.01em;
}

.cta-text p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.75;
  max-width: 520px;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: flex-end;
}

/* ===== Footer ===== */
.footer {
  background: var(--color-text-primary);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-9) 0 var(--space-6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
  gap: var(--space-7);
  margin-bottom: var(--space-8);
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.5);
  margin-top: var(--space-4);
  max-width: 280px;
}

.footer-brand .logo { color: white; }
.footer-brand .logo-mark { border-color: rgba(255, 255, 255, 0.4); color: white; }
.footer-brand .logo-text .brand-zh { color: white; }
.footer-brand .logo-text .brand-en { color: rgba(255, 255, 255, 0.4); }

.footer-col h5 {
  font-size: 0.875rem;
  font-weight: 600;
  color: white;
  margin-bottom: var(--space-4);
  letter-spacing: 0.02em;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-col a:hover { color: white; }

.footer-contact li {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.55);
  display: flex;
  gap: var(--space-3);
  line-height: 1.5;
  list-style: none;
  margin-bottom: var(--space-3);
}

.footer-contact .icon {
  flex-shrink: 0;
  width: 18px;
  text-align: center;
  opacity: 0.7;
}

.footer-bottom {
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-5);
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.4);
  text-decoration: none;
}

/* ===== Shared V3 Footer Compatibility =====
   The public footer partial uses the newer site-footer class names. Some legacy
   pages still load only main.css, so keep the shared footer styles here too. */
.site-container {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.site-footer {
  color: #cdd6d8;
  background: #151b1d;
}

.site-footer a {
  color: inherit;
  text-decoration: none;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.5fr repeat(2, 0.7fr) 1fr;
  gap: 54px;
  padding: 60px 0 44px;
}

.site-footer .site-brand {
  min-width: 196px;
  display: flex;
  align-items: center;
  gap: 11px;
}

.site-footer .site-brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: #9ae2e5;
  border: 1px solid #56bec4;
  font-family: Georgia, serif;
  font-size: 17px;
  font-weight: 700;
}

.site-footer .site-brand > span:last-child {
  display: grid;
  line-height: 1.15;
}

.site-footer .site-brand strong {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
}

.site-footer .site-brand small {
  margin-top: 3px;
  color: #829398;
  font-size: 9px;
  font-weight: 700;
}

.footer-intro p {
  max-width: 400px;
  margin: 20px 0 0;
  color: #899a9e;
  font-size: 12px;
  line-height: 1.65;
}

.footer-links {
  display: grid;
  align-content: start;
  gap: 8px;
}

.footer-links h2,
.footer-contact-v3 h2 {
  margin: 0 0 10px;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}

.footer-links a {
  color: #8e9da1;
  font-size: 12px;
}

.footer-links a:hover {
  color: #fff;
}

.footer-contact-v3 {
  display: grid;
  align-content: start;
  gap: 9px;
}

.footer-contact-v3 a,
.footer-contact-v3 p {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 8px;
  margin: 0;
  color: #aab7ba;
  font-size: 11px;
  line-height: 1.65;
}

.footer-contact-v3 svg {
  width: 14px;
  height: 14px;
  color: #65cbd0;
}

.footer-qr {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
  padding-top: 12px;
  border-top: 1px solid #283235;
}

.footer-qr img {
  width: 92px;
  height: 92px;
  flex-shrink: 0;
  padding: 4px;
  background: #fff;
  border-radius: 8px;
}

.footer-qr strong {
  display: block;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 4px;
}

.footer-qr small {
  display: block;
  color: #8e9da1;
  font-size: 10px;
  line-height: 1.45;
}

.footer-bottom-v3 {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: #75868a;
  border-top: 1px solid #283235;
  font-size: 10px;
}

.footer-bottom-v3 nav {
  display: flex;
  gap: 18px;
}

/* ===== Product Listing Page ===== */
.page-header {
  padding: var(--space-7) 0 var(--space-6);
  position: relative;
  border-bottom: 1px solid var(--color-border-light);
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(135deg, rgba(44, 82, 130, 0.03) 0%, transparent 100%);
  border-left: 1px solid var(--color-border-light);
}

.page-header .container { position: relative; z-index: 1; }

.page-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
  max-width: 680px;
}

.page-subtitle {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 640px;
}

.breadcrumb {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 0.8rem;
  color: var(--color-text-tertiary);
}

.breadcrumb a { color: var(--color-text-tertiary); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb .separator { margin: 0 var(--space-2); opacity: 0.5; }
.breadcrumb .current { color: var(--color-text-primary); font-weight: 500; }

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  padding-top: var(--space-6);
}

.category-tab {
  padding: var(--space-2) var(--space-4);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
  text-decoration: none;
}

.category-tab:hover {
  color: var(--color-text-primary);
  border-color: var(--color-text-tertiary);
}

.category-tab.active {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

.product-listing {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.product-list-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.product-list-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.product-list-img {
  height: 320px;
  padding: 8px 10px;
  background: linear-gradient(180deg, #f7f9fc 0%, var(--color-bg-secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}

.product-list-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  padding: 0;
}

.product-list-badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  padding: 2px 8px;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.badge-hot { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-new { background: var(--color-success-bg); color: var(--color-success); }

.product-list-body {
  padding: var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-list-category {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-list-title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.product-list-formula {
  font-family: var(--font-display);
  font-size: 0.875rem;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
  font-weight: 600;
}

.product-list-desc {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  line-height: 1.7;
  margin-bottom: var(--space-4);
  flex: 1;
}

.product-list-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-light);
}

.product-list-price {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.product-list-price .unit {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-text-tertiary);
}

/* ===== News Listing ===== */
.news-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-8);
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.news-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border-light);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-fast);
}

.news-item:hover {
  background: var(--color-surface-hover);
}

.news-item:last-child { border-bottom: none; }

.news-item-img {
  height: 140px;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

.news-item-body { display: flex; flex-direction: column; justify-content: center; }

.news-item-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-3);
}

.news-item-category {
  padding: 2px 8px;
  background: var(--color-accent-muted);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.news-item-title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  line-height: 1.4;
}

.news-item:hover .news-item-title { color: var(--color-accent); }

.news-item-summary {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  line-height: 1.7;
}

.news-sidebar { position: sticky; top: 100px; align-self: start; }

.sidebar-widget {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-5);
}

.sidebar-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border-light);
}

.hot-news-list { display: flex; flex-direction: column; gap: var(--space-3); }

.hot-news-item {
  display: flex;
  gap: var(--space-3);
  text-decoration: none;
  color: inherit;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border-light);
}

.hot-news-item:last-child { border-bottom: none; padding-bottom: 0; }

.hot-news-rank {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--color-bg-secondary);
  color: var(--color-text-tertiary);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.hot-news-item:nth-child(1) .hot-news-rank,
.hot-news-item:nth-child(2) .hot-news-rank,
.hot-news-item:nth-child(3) .hot-news-rank {
  background: var(--color-accent);
  color: white;
}

.hot-news-title {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  transition: color var(--transition-fast);
}

.hot-news-item:hover .hot-news-title { color: var(--color-accent); }

.pagination {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.page-link {
  min-width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.page-link:hover { border-color: var(--color-accent); color: var(--color-accent); }
.page-link.active { background: var(--color-accent); color: white; border-color: var(--color-accent); }

/* ===== News Detail ===== */
.news-detail-header {
  text-align: center;
  margin-bottom: var(--space-7);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border-light);
}

.news-detail-category {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-accent-muted);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.news-detail-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.3;
  margin-bottom: var(--space-4);
}

.news-detail-meta {
  display: flex;
  justify-content: center;
  gap: var(--space-5);
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
}

.news-detail-content {
  max-width: 760px;
  margin: 0 auto var(--space-8);
  font-size: 1rem;
  line-height: 2;
  color: var(--color-text-secondary);
}

.news-detail-content h4 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: var(--space-6) 0 var(--space-4);
}

.news-detail-content p { margin-bottom: var(--space-4); }
.news-detail-content ul, .news-detail-content ol { margin-bottom: var(--space-4); padding-left: var(--space-5); }
.news-detail-content li { margin-bottom: var(--space-2); }

.news-detail-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-light);
}

.like-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: transparent;
  cursor: pointer;
  font-family: inherit;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.like-btn:hover { border-color: var(--color-danger); color: var(--color-danger); }
.like-btn.liked { background: var(--color-danger-bg); border-color: var(--color-danger); color: var(--color-danger); }

/* ===== Contact Page ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.contact-info-item {
  display: flex;
  gap: var(--space-4);
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-muted);
  color: var(--color-accent);
  border-radius: var(--radius-md);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-info-content h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.contact-info-content p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.contact-form h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
}

/* ===== Forms ===== */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.form-label .required { color: var(--color-danger); margin-left: 2px; }

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  line-height: 1.5;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-muted);
}

.form-textarea { resize: vertical; min-height: 100px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-help {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  margin-top: var(--space-2);
}

.form-error {
  font-size: 0.75rem;
  color: var(--color-danger);
  margin-top: var(--space-2);
}

.alert {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  font-size: 0.875rem;
}

.alert-success { background: var(--color-success-bg); color: var(--color-success); border: 1px solid #9ae6b4; }
.alert-danger { background: var(--color-danger-bg); color: var(--color-danger); border: 1px solid #feb2b2; }
.alert-warning { background: var(--color-warning-bg); color: var(--color-warning); border: 1px solid #fbd38d; }

/* ===== Login / Register ===== */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-4);
  background: var(--color-bg-secondary);
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  box-shadow: var(--shadow-lg);
}

.auth-logo {
  text-align: center;
  margin-bottom: var(--space-6);
}

.auth-logo .logo-mark {
  margin: 0 auto var(--space-3);
  width: 48px;
  height: 48px;
  font-size: 1.25rem;
}

.auth-logo h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.auth-logo p {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
}

.auth-tabs {
  display: flex;
  margin-bottom: var(--space-6);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  padding: 4px;
}

.auth-tab {
  flex: 1;
  padding: var(--space-2);
  text-align: center;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-tertiary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  border: none;
  background: transparent;
  font-family: inherit;
}

.auth-tab.active {
  background: var(--color-surface);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-sm);
}

.auth-footer {
  text-align: center;
  margin-top: var(--space-5);
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
}

.auth-footer a { font-weight: 500; }

/* ===== Admin / Portal Layout ===== */
.app-layout {
  display: flex;
  min-height: calc(100vh - 72px);
}

.app-sidebar {
  width: 240px;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  flex-shrink: 0;
  position: sticky;
  top: 72px;
  height: calc(100vh - 72px);
  overflow-y: auto;
}

.sidebar-menu { padding: var(--space-4) 0; }

.sidebar-section {
  padding: var(--space-4) var(--space-4) var(--space-2);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}

.sidebar-link:hover {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.sidebar-link.active {
  background: var(--color-accent-muted);
  color: var(--color-accent);
  border-left-color: var(--color-accent);
  font-weight: 500;
}

.sidebar-link .icon { width: 18px; text-align: center; font-size: 1rem; }

.app-main {
  flex: 1;
  padding: var(--space-6);
  min-width: 0;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
}

.app-header h1 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.breadcrumb-app {
  font-size: 0.8rem;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-2);
}

/* ===== Stats Cards ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: all var(--transition-base);
}

.stat-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.stat-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-3);
}

.stat-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-muted);
  color: var(--color-accent);
  border-radius: var(--radius-md);
  font-size: 1.1rem;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
}

.stat-change {
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: var(--space-2);
}

.stat-change.up { color: var(--color-success); }
.stat-change.down { color: var(--color-danger); }

/* ===== Data Table ===== */
.data-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-6);
}

.data-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border-light);
}

.data-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.data-card-actions {
  display: flex;
  gap: var(--space-3);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  text-align: left;
  padding: var(--space-3) var(--space-5);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
}

.data-table td {
  padding: var(--space-4) var(--space-5);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border-light);
}

.data-table tr:hover td { background: var(--color-surface-hover); }
.data-table tr:last-child td { border-bottom: none; }

.status-badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
}

.status-pending { background: var(--color-warning-bg); color: var(--color-warning); }
.status-delivering { background: #ebf8ff; color: var(--color-accent); }
.status-completed { background: var(--color-success-bg); color: var(--color-success); }
.status-cancelled { background: var(--color-danger-bg); color: var(--color-danger); }
.status-active { background: var(--color-success-bg); color: var(--color-success); }
.status-inactive { background: var(--color-bg-secondary); color: var(--color-text-tertiary); }
.status-in_stock { background: var(--color-success-bg); color: var(--color-success); }
.status-low_stock { background: var(--color-warning-bg); color: var(--color-warning); }
.status-consult { background: #ebf8ff; color: var(--color-accent); }
.status-in_use { background: #ebf8ff; color: var(--color-accent); }
.status-pending_review { background: var(--color-warning-bg); color: var(--color-warning); }

/* ===== Dashboard Chart Placeholder ===== */
.chart-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-6);
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-5);
}

.chart-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.chart-placeholder {
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  color: var(--color-text-tertiary);
  font-size: 0.875rem;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

/* ===== Order Detail ===== */
.detail-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-5);
}

.detail-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border-light);
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4) var(--space-6);
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.detail-item label {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.detail-item span {
  font-size: 0.9rem;
  color: var(--color-text-primary);
}

.order-items-table {
  width: 100%;
  border-collapse: collapse;
}

.order-items-table th {
  text-align: left;
  padding: var(--space-3) 0;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-border);
}

.order-items-table td {
  padding: var(--space-4) 0;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border-light);
}

.order-items-table tr:last-child td { border-bottom: none; }

.order-total {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 2px solid var(--color-border);
}

.order-total-amount {
  text-align: right;
}

.order-total-amount .label {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-2);
}

.order-total-amount .value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

/* Timeline */
.timeline-steps {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin-bottom: var(--space-4);
}

.timeline-steps::before {
  content: '';
  position: absolute;
  top: 14px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-border);
  z-index: 0;
}

.timeline-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  position: relative;
  z-index: 1;
  flex: 1;
}

.timeline-step-dot {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
}

.timeline-step.completed .timeline-step-dot {
  background: var(--color-success);
  border-color: var(--color-success);
  color: white;
}

.timeline-step.current .timeline-step-dot {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}

.timeline-step-label {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  text-align: center;
  white-space: nowrap;
}

.timeline-step.completed .timeline-step-label,
.timeline-step.current .timeline-step-label {
  color: var(--color-text-primary);
  font-weight: 500;
}

/* ===== Portal New Order ===== */
.product-selector {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.product-select-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.product-select-item:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-muted);
}

.product-select-item.selected {
  border-color: var(--color-accent);
  background: var(--color-accent-muted);
}

.product-select-item h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.product-select-item .formula {
  font-family: var(--font-display);
  font-size: 0.875rem;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.product-select-item .price {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-text-primary);
}

.quantity-control {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.quantity-btn {
  width: 30px;
  height: 30px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.quantity-input {
  width: 60px;
  text-align: center;
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
}

.order-summary {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-top: var(--space-5);
}

.order-summary h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.summary-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.summary-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.summary-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.summary-total .label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-primary);
}

.summary-total .value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .hero-visual { height: 300px; order: -1; }
  .hero::before { width: 100%; height: 35%; border-left: none; border-bottom: 1px solid var(--color-border-light); }
  
  .about-grid, .value-grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .product-listing { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .news-layout { grid-template-columns: 1fr; }
  .news-sidebar { position: static; }
  
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-brand { grid-column: span 3; }
  .footer-main { grid-template-columns: repeat(2, 1fr); }
  .footer-intro { grid-column: 1 / -1; }
  
  .cta-content { grid-template-columns: 1fr; gap: var(--space-5); }
  .cta-actions { align-items: flex-start; }
}

@media (max-width: 768px) {
  .container { padding: 0 var(--space-5); }
  .site-container { width: min(100% - 28px, 1180px); }
  
  .utility-bar { display: none; }
  .main-nav { display: none; }
  .mobile-menu-btn { display: flex; }
  .header-actions .btn-ghost { display: none; }
  
  .header-inner { height: 64px; }
  
  .hero { padding: var(--space-7) 0 var(--space-6); }
  .hero-stats { flex-wrap: wrap; gap: var(--space-5); }
  
  .section { padding: var(--space-7) 0; }
  
  .products-header { flex-direction: column; align-items: flex-start; }
  
  .product-grid { grid-template-columns: 1fr; }
  .product-listing { grid-template-columns: 1fr; }
  .product-list-img { height: 300px; }
  .industries-grid { grid-template-columns: 1fr 1fr; }
  
  .about-metrics { grid-template-columns: 1fr 1fr; }
  
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  
  .detail-grid { grid-template-columns: 1fr; }
  .product-selector { grid-template-columns: 1fr; }
  
  .form-row { grid-template-columns: 1fr; }
  
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-6); }
  .footer-brand { grid-column: span 2; }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }

  .footer-bottom-v3 {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }

  .footer-qr { align-items: flex-start; }
  
  .news-item { grid-template-columns: 1fr; }
  .news-item-img { height: 180px; }
  
  /* App layout */
  .app-sidebar { display: none; }
  .app-main { padding: var(--space-4); }
  
  .data-table { font-size: 0.8rem; }
  .data-table th, .data-table td { padding: var(--space-3); }
}

@media (max-width: 480px) {
  .industries-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: span 1; }
  .footer-main { grid-template-columns: 1fr; gap: 32px; }
  .footer-intro { grid-column: auto; }
  .hero-stats { gap: var(--space-4); }
  .hero-stat-value { font-size: 1.5rem; }
}

/* Utility */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-text-tertiary); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }
.text-accent { color: var(--color-accent); }

.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }

/* ===== Image Utilities ===== */
.img-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

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

.img-rounded {
  border-radius: var(--radius-lg);
}

.img-rounded-xl {
  border-radius: var(--radius-xl);
}

.img-shadow {
  box-shadow: var(--shadow-md);
}

.img-shadow-lg {
  box-shadow: var(--shadow-lg);
}

/* Image overlay helper */
.img-overlay {
  position: relative;
  overflow: hidden;
}

.img-overlay::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(26, 31, 46, 0.6) 100%);
  pointer-events: none;
}

/* ===== Media / Press Logos Section ===== */
.media-section {
  background: var(--color-surface);
}

.media-logos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  align-items: center;
}

.media-logo-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: all var(--transition-base);
}

.media-logo-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.media-logo-card img {
  max-width: 70%;
  max-height: 60%;
  object-fit: contain;
}

/* ===== Equipment / Facility Showcase ===== */
.equipment-section {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.equipment-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.equipment-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.equipment-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.equipment-card-img {
  height: 180px;
  background: var(--color-bg-secondary);
  overflow: hidden;
  position: relative;
}

.equipment-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.equipment-card:hover .equipment-card-img img {
  transform: scale(1.05);
}

.equipment-card-body {
  padding: var(--space-5);
}

.equipment-card-body h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.equipment-card-body p {
  font-size: 0.85rem;
  color: var(--color-text-tertiary);
  line-height: 1.7;
}

/* ===== Certificate Showcase ===== */
.cert-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: center;
}

.cert-showcase-img {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-showcase-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cert-showcase-info h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.cert-showcase-info p {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

/* ===== Gallery / Team Photos ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}

.gallery-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  aspect-ratio: 4/3;
  position: relative;
  transition: all var(--transition-base);
}

.gallery-item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== Product Card with Image ===== */
.product-card-img {
  height: 140px;
  background: var(--color-bg-secondary);
  margin-bottom: var(--space-4);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}

.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.product-card:hover .product-card-img img {
  transform: scale(1.05);
}

/* ===== Service Card with Image ===== */
.service-card-img {
  height: 160px;
  background: var(--color-bg-secondary);
  margin-bottom: var(--space-5);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.service-card:hover .service-card-img img {
  transform: scale(1.05);
}

/* ===== Hero with Real Image ===== */
.hero-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== Visual Section with Image ===== */
.value-visual img,
.about-visual img,
.story-visual img,
.intro-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== News Item Image ===== */
.news-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== Fleet Card Image ===== */
.fleet-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 1;
}

/* ===== Responsive for new image components ===== */
@media (max-width: 1024px) {
  .media-logos { grid-template-columns: repeat(3, 1fr); }
  .equipment-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-showcase { grid-template-columns: 1fr; gap: var(--space-6); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .media-logos { grid-template-columns: repeat(2, 1fr); }
  .equipment-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .equipment-card-img { height: 200px; }
}

@media (max-width: 480px) {
  .media-logos { grid-template-columns: 1fr; }
}

::selection {
  background: rgba(44, 82, 130, 0.15);
  color: var(--color-text-primary);
}


/* === Form Inline Message (表单内联消息提示) === */
.form-inline-message {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  font-size: 0.875rem;
  font-weight: 500;
  transition: opacity 0.3s ease;
  animation: slideDown 0.3s ease;
}

.form-inline-success {
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.2);
  color: #16a34a;
}

.form-inline-error {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #dc2626;
}

.form-inline-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.form-inline-success .form-inline-icon {
  background: #16a34a;
  color: #fff;
}

.form-inline-error .form-inline-icon {
  background: #dc2626;
  color: #fff;
}

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


/* ============================================================
   HERO SECTION - Dark industrial look
   ============================================================ */
.hero {
  background: linear-gradient(180deg, #061224 0%, #08182E 50%, #0B1F3A 100%) !important;
  color: #FFFFFF !important;
  padding: 80px 0 120px 0;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-dark-border);
}
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 140%;
  background:
    radial-gradient(circle at 30% 30%, rgba(0,194,255,0.12) 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(0,194,255,0.06) 0%, transparent 40%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(0,194,255,0.05) 0%, transparent 25%),
    linear-gradient(90deg, rgba(0,194,255,0.04) 1px, transparent 1px),
    linear-gradient(0deg, rgba(0,194,255,0.04) 1px, transparent 1px);
  background-size: 100% 100%, 48px 48px, 48px 48px;
  opacity: 0.4;
  pointer-events: none;
}
.hero .container { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(0,194,255,0.08);
  border: 1px solid rgba(0,194,255,0.22);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: #B8E8FF;
  margin-bottom: 28px;
  font-weight: 500;
  backdrop-filter: blur(4px);
}
.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(0,194,255,0.2);
  position: relative;
}
.hero-badge-dot::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse-ring 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}
@keyframes pulse-ring {
  0% { transform: scale(0.8); opacity: 0.8; }
  80%, 100% { transform: scale(2.4); opacity: 0; }
}
.hero-title {
  color: #FFFFFF !important;
  font-size: clamp(2.4rem, 5vw, 3.8rem) !important;
  font-weight: 800 !important;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  font-family: "Instrument Sans", "PingFang SC", system-ui, sans-serif;
}
.hero-title-accent {
  background: linear-gradient(135deg, #00E0FF 0%, #00A8DD 50%, #0066CC 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  font-weight: 900;
  position: relative;
}
.hero-subtitle {
  color: rgba(232, 238, 245, 0.78) !important;
  font-size: 1.08rem !important;
  line-height: 1.75;
  max-width: 560px;
  margin-bottom: 40px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.btn-icon {
  display: inline-flex !important;
  align-items: center;
  gap: 10px;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.hero-stat-value {
  color: #FFFFFF;
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  font-family: "Instrument Sans", sans-serif;
  line-height: 1;
}
.hero-stat-value sup {
  color: var(--color-accent) !important;
  font-size: 1.1rem;
  font-weight: 700;
  margin-left: 2px;
}
.hero-stat-label {
  color: var(--color-dark-muted);
  font-size: 0.9rem;
}
.hero-visual {
  position: relative;
}
.hero-image-frame {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 30px 80px rgba(0,0,0,0.5), 0 0 80px rgba(0,194,255,0.1);
  position: relative;
  aspect-ratio: 4/3;
}
.hero-image-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,194,255,0.12) 0%, transparent 60%);
  z-index: 1;
  pointer-events: none;
}
.hero-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  transition: transform 0.8s ease;
}
.hero-image-frame:hover img {
  transform: scale(1.1);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .hero { padding: 56px 0 80px 0; }
}

/* Section Eyebrow */
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-accent-600) !important;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-eyebrow::before {
  content: '';
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
  border-radius: 2px;
}
.section-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem) !important;
  line-height: 1.25;
  font-weight: 800 !important;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--color-text) !important;
}
.section-description {
  color: var(--color-text-secondary) !important;
  font-size: 1rem;
  line-height: 1.75;
}
.section { padding: 96px 0; }
@media (max-width: 900px) {
  .section { padding: 64px 0; }
}

/* Section backgrounds alternate */
.section:nth-of-type(even) {
  background: var(--color-bg-secondary);
}

/* section-header spacing */
.section-header {
  margin-bottom: 56px;
}
.section-header.text-center {
  text-align: center;
}
.section-header.text-center .section-eyebrow {
  justify-content: center;
}

/* Products / News card hover */
.product-img-frame, .news-img, .industry-card .industry-img {
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: var(--color-bg-secondary);
}
.product-img-frame img, .news-img img, .industry-card img {
  transition: transform 0.6s cubic-bezier(0.4,0,0.2,1);
}
.product-card:hover .product-img-frame img,
.news-card:hover .news-img img,
.industry-card:hover img {
  transform: scale(1.08);
}

/* ===== Value Section Cards ===== */
.value-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: linear-gradient(180deg, var(--color-accent), var(--color-primary-light));
  transition: height 0.4s ease;
  border-radius: 2px;
}
.value-card:hover::before { height: 100%; }
.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0,194,255,0.2);
}
.value-card .icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(0,194,255,0.1), rgba(0,194,255,0.02));
  border: 1px solid rgba(0,194,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-accent-600);
  font-size: 1.5rem;
}

/* ===== About Section ===== */
.about-section, .products-section, .industries-section, .value-section {
  background: var(--color-bg) !important;
}

/* ===== CTA Section ===== */
.cta-section {
  background: linear-gradient(135deg, #061224 0%, #0B1F3A 50%, #0D2548 100%) !important;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(0,194,255,0.1);
  overflow: hidden;
  position: relative;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,194,255,0.18) 0%, transparent 60%);
  filter: blur(40px);
}
.cta-section h2, .cta-section p {
  position: relative;
  z-index: 2;
}
.cta-section h2 {
  color: #FFFFFF !important;
  font-weight: 800;
}
.cta-section p {
  color: rgba(232,238,245,0.7) !important;
}

/* ===== App layout fix ===== */
.breadcrumb-app {
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border-light);
}
.app-main {
  background: var(--color-bg) !important;
}
.detail-card {
  background: var(--color-surface) !important;
  border: 1px solid var(--color-border-light) !important;
  border-radius: var(--radius-lg) !important;
  padding: 32px !important;
}

/* ===== Media Coverage ===== */
.media-logo {
  filter: grayscale(100%);
  opacity: 0.6;
  transition: all 0.3s;
}
.media-logo:hover {
  filter: grayscale(0%);
  opacity: 1;
}

/* ===== Input / Select on dark pages ===== */
input[type="checkbox"] {
  accent-color: var(--color-accent-600);
}


/* ============================================================
   LOGIN DROPDOWN - 登录入口产品化
   ============================================================ */
.login-dropdown {
  position: relative;
  display: inline-block;
}
.login-trigger {
  display: inline-flex !important;
  align-items: center;
  cursor: pointer;
}
.login-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 280px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.06);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s ease;
  z-index: 1000;
}
.login-dropdown-menu.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.login-dropdown-item {
  display: flex !important;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px !important;
  border-radius: var(--radius-md);
  text-decoration: none !important;
  transition: all 0.2s;
  border: none !important;
  background: transparent !important;
  color: var(--color-text) !important;
}
.login-dropdown-item:hover {
  background: var(--color-bg-secondary) !important;
}
.dropdown-item-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(0,194,255,0.1), rgba(0,194,255,0.02));
  border: 1px solid rgba(0,194,255,0.15);
  border-radius: var(--radius-sm);
}
.dropdown-item-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}
.dropdown-item-desc {
  font-size: 0.78rem;
  color: var(--color-text-tertiary);
}

/* 移动端登录下拉 */
@media (max-width: 768px) {
  .login-dropdown-menu {
    position: static;
    min-width: 100%;
    box-shadow: none;
    border: none;
    padding: 0;
  }
  .login-dropdown-menu.show {
    transform: none;
  }
}


/* Admin Footer */
.admin-footer {
  background: #f8f9fa;
  border-top: 1px solid var(--color-border, #e5e7eb);
  padding: var(--space-4, 1rem) var(--space-6, 1.5rem);
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-tertiary, #6b7280);
}
.admin-footer-inner {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-3, 0.75rem);
}
.admin-footer-sep {
  color: var(--color-border, #e5e7eb);
}