/* ===================================
   全局 CSS 变量 - 国际外贸设计令牌
   配色方案：深海军蓝 + 琥珀金 + 纯净白
   =================================== */
:root {
  /* 主色调 - 深海军蓝，专业可信赖 */
  --color-primary: #0f172a;
  --color-primary-light: #1e293b;
  --color-primary-dark: #020617;
  --color-primary-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);

  /* 强调色 - 琥珀金，高端质感 */
  --color-accent: #d97706;
  --color-accent-light: #f59e0b;
  --color-accent-dark: #b45309;
  --color-accent-gradient: linear-gradient(135deg, #d97706 0%, #f59e0b 100%);

  /* 次要强调 - 深青绿 */
  --color-secondary: #0d9488;
  --color-secondary-gradient: linear-gradient(135deg, #0d9488 0%, #14b8a6 100%);

  /* 中性色 - 精心调制的灰度 */
  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-tertiary: #94a3b8;
  --color-text-inverse: #f8fafc;

  /* 背景色 */
  --color-bg-primary: #f8fafc;
  --color-bg-secondary: #f1f5f9;
  --color-bg-tertiary: #e2e8f0;
  --color-bg-surface: #ffffff;
  --color-bg-dark: #0f172a;

  /* 边框色 */
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;
  --color-border-dark: #cbd5e1;

  /* 功能色 */
  --color-success: #059669;
  --color-warning: #d97706;
  --color-error: #dc2626;
  --color-info: #0284c7;

  /* 阴影 - 精致层次感 */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.08), 0 4px 6px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 40px rgba(217, 119, 6, 0.25);

  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-2xl: 28px;
  --radius-full: 9999px;

  /* 间距 */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 20px;
  --spacing-2xl: 28px;
  --spacing-3xl: 36px;
  --spacing-4xl: 48px;
  --spacing-5xl: 64px;
  --spacing-6xl: 80px;

  /* 字体 */
  --font-sans: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont,
    'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-display: 'Playfair Display', 'Georgia', serif;

  /* 过渡 */
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================================
   全局重置
   =================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

/* 滚动条美化 - 与动态页保持一致 */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: var(--color-text-tertiary);
  border-radius: var(--radius-full);
  transition: background var(--transition-base);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-secondary);
}

::selection {
  background: var(--color-accent);
  color: #fff;
}

/* ===================================
   布局容器
   =================================== */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-2xl);
}

@media (max-width: 1200px) {
  .container {
    max-width: 100%;
    padding: 0 var(--spacing-xl);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
}

/* ===================================
   导航栏
   =================================== */
.site-header {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--color-border-light);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.logo:hover {
  background: var(--color-bg-secondary);
  transform: translateX(-2px);
}

.logo-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-gradient);
  border-radius: var(--radius-md);
  color: #fff;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  font-size: 20px;
  font-weight: 700;
  flex-shrink: 0;
}

.logo:hover .logo-icon {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.logo-text-wrapper {
  display: flex;
  flex-direction: column;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.logo-tagline {
  font-size: 12px;
  color: var(--color-text-tertiary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--color-bg-secondary);
  padding: 6px var(--spacing-lg);
  border-radius: var(--radius-full);
  list-style: none;
}

.nav-item {
  text-decoration: none;
  color: var(--color-text-secondary);
  font-size: 15px;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: var(--radius-full);
  position: relative;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.nav-item:hover {
  color: var(--color-primary);
  background: rgba(255, 255, 255, 0.8);
}

.nav-item.active {
  color: var(--color-primary);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.nav-indicator {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.nav-item.active .nav-indicator {
  opacity: 1;
}

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

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  border: 1px solid var(--color-primary);
  color: #fff;
  text-decoration: none;
  transition: all var(--transition-base);
  cursor: pointer;
}

.contact-btn:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.menu-btn {
  font-size: 24px;
  color: var(--color-primary);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
}

.menu-btn:hover {
  background: var(--color-primary);
  color: #fff;
  transform: rotate(90deg);
}

@media (max-width: 768px) {
  .header-content {
    padding: 0 var(--spacing-lg);
    height: 70px;
  }

  .logo-text {
    font-size: 18px;
  }

  .logo-tagline {
    font-size: 11px;
  }

  .nav-menu,
  .header-actions {
    display: none;
  }
}

/* ===================================
   按钮
   =================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-accent-gradient);
  color: #fff;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn-large {
  padding: 16px 32px;
  font-size: 16px;
}

/* ===================================
   表单
   =================================== */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 8px;
  font-size: 14px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  font-size: 15px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-surface);
  color: var(--color-text-primary);
  transition: all var(--transition-base);
  font-family: var(--font-sans);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.phone-input {
  display: flex;
  gap: 12px;
}

.phone-input .form-select {
  width: 100px;
  flex-shrink: 0;
}

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

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-accent);
}

.card-image {
  height: 220px;
  background: var(--color-bg-secondary);
  position: relative;
  overflow: hidden;
}

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

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

.card-body {
  padding: 20px;
}

.card-brand {
  font-size: 12px;
  color: var(--color-accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.5;
  margin: 0 0 8px 0;
}

.card-category {
  font-size: 13px;
  color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-bottom: 12px;
}

.card-price {
  padding-top: 12px;
  border-top: 1px solid var(--color-border-light);
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.price-label {
  font-size: 12px;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
}

.price-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-accent);
}

.price-negotiable {
  font-size: 13px;
  color: var(--color-text-tertiary);
}

/* ===================================
   网格布局
   =================================== */
.grid {
  display: grid;
  gap: 24px;
}

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

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

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

.grid-auto {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .grid-auto {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .grid-2,
  .grid-3,
  .grid-4,
  .grid-auto {
    grid-template-columns: 1fr;
  }
}

/* ===================================
   面包屑
   =================================== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  background: var(--color-bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  margin: 0 0 24px 0;
  list-style: none;
  flex-wrap: wrap;
}

.breadcrumb li {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.breadcrumb li a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-base);
}

.breadcrumb li a:hover {
  color: var(--color-accent);
}

.breadcrumb li + li::before {
  content: '/';
  margin-right: 8px;
  color: var(--color-text-tertiary);
}

/* ===================================
   分页
   =================================== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 40px;
  padding: 24px;
  background: var(--color-bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.pagination a,
.pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.pagination a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.pagination .active {
  background: var(--color-accent-gradient);
  color: #fff;
  border-color: transparent;
}

.pagination .disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===================================
   主内容区（与动态页 Layout.vue 保持一致）
   =================================== */
.main-content {
  flex: 1;
  background: var(--color-bg-primary);
  padding: var(--spacing-4xl) 0;
}

/* ===================================
   页脚
   =================================== */
.site-footer {
  background: linear-gradient(180deg, var(--color-bg-dark) 0%, #1e293b 100%);
  border-top: 1px solid var(--color-border-dark);
  padding: var(--spacing-5xl) 0 var(--spacing-3xl);
  color: var(--color-text-inverse);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-4xl);
  margin-bottom: var(--spacing-3xl);
}

.footer-section h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-lg);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin-bottom: var(--spacing-lg);
}

.footer-logo span {
  color: var(--color-accent);
}

.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-tertiary);
  max-width: 320px;
}

.footer-links,
.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li,
.footer-contact li {
  margin-bottom: var(--spacing-md);
}

.footer-links a {
  color: var(--color-text-tertiary);
  text-decoration: none;
  font-size: 14px;
  transition: all var(--transition-base);
  display: inline-block;
}

.footer-links a:hover {
  color: var(--color-accent);
  transform: translateX(4px);
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--color-text-tertiary);
}

.footer-contact .contact-icon {
  color: var(--color-accent);
  font-size: 16px;
  font-weight: 700;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-2xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  margin: 0;
  font-size: 14px;
  color: var(--color-text-tertiary);
}

.footer-subtitle {
  font-size: 13px;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0;
}

@media (max-width: 968px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
}

/* ===================================
   对话框 / 弹窗
   =================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-bg-surface);
  border-radius: var(--radius-2xl);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal-header {
  padding: 24px 24px 0;
  text-align: center;
}

.modal-header h3 {
  margin: 0 0 8px 0;
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
}

.modal-header p {
  margin: 0;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 20px 24px;
  border-top: 1px solid var(--color-border-light);
}

/* ===================================
   标签
   =================================== */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
}

.tag-accent {
  background: rgba(217, 119, 6, 0.08);
  border: 1px solid rgba(217, 119, 6, 0.2);
  color: var(--color-accent-dark);
}

/* ===================================
   工具类
   =================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }
.mt-6 { margin-top: var(--spacing-2xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }
.mb-6 { margin-bottom: var(--spacing-2xl); }

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

.w-full { width: 100%; }
.h-full { height: 100%; }