/* ============================================
   安徽品青食品工业有限公司 - 官网样式表
   主题：企业蓝 + 灰（专业、稳健、B2B 工业感）
   目标：GEO 友好、响应式、快速加载、无障碍
   ============================================ */

/* ===== 基础重置 ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ===== CSS 变量 - 企业蓝 + 灰 主题 ===== */
:root {
  --color-primary: #1d4ed8;
  --color-primary-dark: #1e3a8a;
  --color-primary-light: #e8effb;
  --color-accent: #0ea5e9;
  --color-text: #1f2937;
  --color-text-light: #5b6470;
  --color-bg: #ffffff;
  --color-bg-alt: #ffffff;
  --color-border: #e2e6ec;
  --color-success: #0f9d58;
  --color-danger: #d93025;
  --radius: 8px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.1);
  --max-width: 1200px;
  --transition: all 0.3s ease;
}

/* ===== 排版 ===== */
html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial,
    sans-serif;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.75em;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; }

p {
  margin-bottom: 1em;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-primary-dark);
}

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

/* ===== 布局容器 ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-alt {
  background-color: var(--color-bg-alt);
}

/* 板块间分隔线：相邻 section 之间显示一条淡灰细线 */
.section + .section,
.section + .section-alt,
.section-alt + .section,
.section-alt + .section-alt {
  border-top: 1px solid #e5e7eb;
}

/* ===== 排版工具类（替代重复的内联样式） ===== */
.lead {
  color: var(--color-text-light);
  font-size: 1.0625rem;
  line-height: 1.75;
  max-width: 760px;
  margin-bottom: 32px;
}

.text-center { text-align: center; }
.text-center .lead { margin-left: auto; margin-right: auto; }

.text-muted { color: var(--color-text-light); }
.lead-sm { color: var(--color-text-light); margin-bottom: 16px; }
.lead-center { margin-left: auto; margin-right: auto; }
.w-100 { width: 100%; }
.card-padded { padding: 28px; }

.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-40 { margin-bottom: 40px; }
.mt-8 { margin-top: 8px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-40 { margin-top: 40px; }

.grid-tight { gap: 24px; }

/* ===== 发展历程时间轴 ===== */
.timeline-year {
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1.25rem;
  position: relative;
  padding-left: 16px;
}

.timeline-year::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 20px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #2563eb 100%);
  border-radius: 2px;
}

.timeline-title {
  font-size: 1rem;
  margin-top: 8px;
}

/* ===== 厂区实拍图 ===== */
.figure-block { margin: 32px 0; }

.figure-img {
  width: 100%;
  max-width: 960px;
  border-radius: 16px;
  display: block;
  margin: 0 auto;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.figure-note {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-top: 8px;
  text-align: center;
}

/* ===== 表单网格布局 ===== */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

@media (max-width: 768px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== 表单 ===== */
.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}

.form-input {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--color-border);
  border-radius: 10px;
  font-size: 0.95rem;
  color: var(--color-text);
  background: #fff;
  transition: all 0.3s ease;
}

.form-input:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 4px rgba(29, 78, 216, 0.1);
}

.form-input::placeholder {
  color: #9ca3af;
}

.form-textarea { font-family: inherit; resize: vertical; }

.form-tip {
  display: none;
  margin-top: 12px;
  color: var(--color-success);
  font-size: 0.9rem;
}

/* ===== 无障碍：跳转链接与焦点样式 ===== */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: linear-gradient(135deg, var(--color-primary) 0%, #2563eb 100%);
  color: #fff;
  padding: 12px 20px;
  border-radius: 0 0 var(--radius) 0;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(29, 78, 216, 0.4);
}

.skip-link:focus {
  left: 0;
  color: #fff;
  outline: 3px solid var(--color-primary-dark);
  outline-offset: 2px;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 6px;
  box-shadow: 0 0 0 6px rgba(29, 78, 216, 0.15);
}

/* 锚点定位时避开吸顶导航 */
section[id] { scroll-margin-top: 120px; }

/* ===== 订单表单 ===== */
.order-form {
  background: #fff;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--color-border);
}

.order-form .form-group {
  margin-bottom: 0;
}

.order-form select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

@media (max-width: 768px) {
  .order-form {
    padding: 24px;
    border-radius: 12px;
  }
}

/* ===== 提示条 / 数据口径说明 ===== */
.callout {
  border-radius: 12px;
  padding: 24px 28px;
  font-size: 0.95rem;
  line-height: 1.75;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(8px);
}

.callout-note {
  background: #ffffff;
  color: var(--color-text-light);
  border-left: 4px solid var(--color-primary);
}

.callout-note strong { color: var(--color-primary-dark); }

/* ===== Header / 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
}

.site-header:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  transition: height 0.3s ease;
}

.site-logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  transition: color 0.2s ease;
}

.site-logo:hover {
  color: var(--color-primary);
}

.site-logo img {
  height: 40px;
  width: 40px;
  object-fit: contain;
  border-radius: 6px;
  transition: transform 0.3s ease;
}

.site-logo-text {
  color: var(--color-primary-dark);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
}

.site-logo:hover .site-logo-text {
  color: var(--color-primary);
}

.site-logo:hover img {
  transform: scale(1.05);
}

/* Footer / FAQ footer logo — square emblem sizing */
.footer-brand-title img,
.footer-grid h4 img {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.site-logo span {
  color: var(--color-primary);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.site-nav a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 4px 0;
  transition: color 0.2s ease;
}

.site-nav a:hover {
  color: var(--color-primary);
}

.site-nav a.active {
  color: var(--color-primary);
  font-weight: 600;
}

/* 端口/语言切换器 */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
  padding-left: 12px;
  border-left: 1px solid var(--color-border);
}

.lang-switch a {
  font-size: 0.78rem;
  padding: 5px 10px;
  border-radius: 8px;
  color: var(--color-text-light);
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.lang-switch a:hover,
.lang-switch a.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
  border-color: var(--color-border);
}

/* 移动端菜单按钮 */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== Hero 大图区域（纯图片，无遮罩） ===== */
.hero {
  position: relative;
  overflow: hidden;
  line-height: 0;
  background: #0f172a;
}
.hero img {
  width: 100%;
  height: auto;
  display: block;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

/* ===== Hero 下方标语区 ===== */
.hero-slogan {
  background: var(--color-bg);
  padding: 64px 0 72px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.hero-slogan h1 {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.hero-slogan p {
  font-size: 1.05rem;
  color: var(--color-text-light);
  max-width: 680px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

.hero-slogan .hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-slogan .btn-primary {
  background: #fff;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  box-shadow: none;
}

.hero-slogan .btn-primary:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: transparent;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(29, 78, 216, 0.35);
}

.hero-slogan .btn-outline {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}

.hero-slogan .btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(29, 78, 216, 0.35);
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .hero img { max-height: 260px; object-fit: cover; }
  .hero-slogan { padding: 40px 0 48px; }
  .hero-slogan h1 { font-size: 1.625rem; }
  .hero-slogan p { font-size: 0.95rem; }
}

@media (max-width: 480px) {
  .hero img { max-height: 180px; }
  .hero-slogan { padding: 32px 0 40px; }
  .hero-slogan h1 { font-size: 1.375rem; }
  .hero-slogan .hero-actions { flex-direction: column; }
  .hero-slogan .btn { width: 100%; }
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 10px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: 2px solid transparent;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.btn-primary {
  background: #fff;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  box-shadow: none;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary) 0%, #2563eb 100%);
  color: #fff;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(29, 78, 216, 0.35);
}

.btn-outline {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: transparent;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(29, 78, 216, 0.35);
}

/* ===== 卡片网格 ===== */
.grid {
  display: grid;
  gap: 32px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 32px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.card:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
  transform: translateY(-4px);
  border-color: var(--color-primary-light);
}

.card h3 { margin-bottom: 12px; }

.card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: #f0f4ff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(29, 78, 216, 0.15);
}

/* ===== 主要合作伙伴 / 应用领域卡片 ===== */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

/* 关于我们·主要合作伙伴：每行四个客户，桌面整齐对齐 */
.partner-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (min-width: 769px) and (max-width: 1024px) {
  .partner-cols-4 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .partner-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.partner-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px 20px;
  text-align: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.partner-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
  border-color: var(--color-primary-light);
}

.partner-media {
  height: 132px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  border-radius: 10px;
  background: #ffffff;
}

.partner-media img {
  max-height: 112px;
  max-width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.12));
}

.partner-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--color-text);
}

.partner-card p {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--color-text-light);
}

.partner-note {
  margin-top: 28px;
  font-size: 0.9rem;
  color: var(--color-text-light);
  text-align: center;
  line-height: 1.8;
}

/* ===== 特性列表 ===== */
.feature-list {
  list-style: none;
  margin-top: 16px;
}

.feature-list li {
  padding: 6px 0;
  font-size: 0.9rem;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s ease;
}

.feature-list li::before {
  content: "✓";
  color: var(--color-success);
  font-weight: 700;
  font-size: 0.85rem;
}

/* ===== 统计数据 ===== */
.stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  justify-content: center;
}

.stat-item {
  text-align: center;
  padding: 20px 28px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  min-width: 140px;
}

.stat-number {
  font-size: 2.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary) 0%, #2563eb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-top: 8px;
  font-weight: 500;
}

/* ===== FAQ ===== */
.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
}

.faq-item summary {
  font-weight: 600;
  cursor: pointer;
  font-size: 1.05rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color 0.2s ease;
}

.faq-item summary::after {
  content: "+";
  font-size: 1.5rem;
  color: var(--color-primary);
  transition: all 0.3s ease;
  font-weight: 300;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
  color: var(--color-primary-dark);
}

.faq-item p {
  margin-top: 12px;
  color: var(--color-text-light);
}

/* ===== 面包屑 ===== */
.breadcrumb {
  padding: 16px 0;
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.breadcrumb a { color: var(--color-text-light); transition: color 0.2s ease; }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb span { margin: 0 8px; }

/* ===== 联系信息 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info dl { margin-top: 24px; }

.contact-info dt {
  font-weight: 600;
  margin-top: 16px;
  margin-bottom: 4px;
  color: var(--color-text);
}

.contact-info dd {
  color: var(--color-text-light);
  margin-left: 0;
  transition: color 0.2s ease;
}

/* ===== 表格（资质/数据） ===== */
.table-wrap {
  overflow-x: auto;
  margin-top: 24px;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius);
}

/* 可聚焦的横向滚动容器，键盘用户可滚动查看 */
.table-wrap:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  min-width: 640px;
}

table.data-table caption {
  text-align: left;
  font-weight: 600;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

table.data-table th,
table.data-table td {
  border: 1px solid var(--color-border);
  padding: 14px 18px;
  text-align: left;
  vertical-align: top;
  transition: background-color 0.2s ease;
}

table.data-table thead th {
  background: #ffffff;
  color: var(--color-primary-dark);
  font-weight: 700;
}

table.data-table tbody tr:nth-child(even) {
  background: #ffffff;
}

/* ===== 产品标签 ===== */
.product-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-primary);
  background: #f0f4ff;
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

/* ===== 卡片标题层级（替代内联 font-size） ===== */
.card-subtitle {
  font-size: 1rem;
  margin-top: 20px;
  margin-bottom: 8px;
  color: var(--color-text-light);
  font-weight: 600;
}

.card-title-sm { font-size: 1.125rem; }
.card-title-xs { font-size: 1rem; }

/* ===== 产品卡片（整卡可点击） ===== */
.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 0 0 28px;
  overflow: hidden;
}

.product-card-media {
  display: block;
  overflow: hidden;
  background: #ffffff;
  border-radius: 12px 12px 0 0;
  order: -2;
}

.product-card-media img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  background: #ffffff;
}

.product-card:hover .product-card-media img {
  transform: scale(1.08);
}

.product-card > span.product-tag,
.product-card > h2,
.product-card > p,
.product-card > h3,
.product-card > ul {
  margin-left: 32px;
  margin-right: 32px;
}

.product-card > span.product-tag { margin-top: 24px; }

.product-card-title {
  font-size: 1.375rem;
  margin-bottom: 12px;
  transition: color 0.2s ease;
}

/* 拉伸链接：整卡可点击但只有一个可聚焦元素 */
.stretched-link::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
}

.product-card-title a { color: var(--color-text); transition: color 0.2s ease; }
.product-card:hover .product-card-title a,
.product-card:focus-within .product-card-title a { color: var(--color-primary); }

.card-more {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 6px;
  margin: 20px 32px 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover .card-more { gap: 14px; }

/* 相关产品小卡 */
.product-card-mini {
  display: block;
  padding: 0 0 24px;
  overflow: hidden;
  color: var(--color-text);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.product-card-mini:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.product-card-mini img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  background: #ffffff;
}

.product-card-mini:hover img { transform: scale(1.08); }

.product-card-mini > span.product-tag,
.product-card-mini > h3,
.product-card-mini > .card-more {
  margin-left: 24px;
  margin-right: 24px;
}

.product-card-mini > span.product-tag { margin-top: 20px; }

.product-card-mini h3 { font-size: 1.125rem; }
.product-card-mini .card-more { margin-left: 24px; margin-right: 24px; }
.product-card-mini:hover .card-more { gap: 14px; }

/* ===== 产品详情页：Hero ===== */
.product-hero-section { padding: 24px 0 56px; }

.product-hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.product-hero-text h1 { margin-top: 8px; font-size: 2rem; }

.product-hero-text .lead { margin-bottom: 28px; }

.product-hero-media {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  background: #fff;
}

.product-hero-media img {
  width: 100%;
  height: auto;
}

.lang-hint {
  margin-top: 20px;
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* ===== 产品咨询表单 ===== */
.consult-form-box {
  margin-top: 40px;
  padding: 32px;
  background: var(--color-bg-alt);
  border-radius: 12px;
  border: 1px solid var(--color-border);
}

.consult-form-box h3 {
  margin-bottom: 8px;
  font-size: 1.25rem;
}

.consult-form-box > p {
  color: var(--color-text-light);
  margin-bottom: 24px;
  font-size: 0.95rem;
}

.consult-form .form-grid {
  max-width: 640px;
}

/* ===== 产品详情图片画廊 ===== */
.product-gallery {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.product-gallery img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

/* ===== 品青荣誉墙 ===== */
.honor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}

.honor-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}

.honor-card:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
  border-color: var(--color-primary-light);
}

.honor-img-wrap {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  overflow: hidden;
}

.honor-img-wrap img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  border-radius: 4px;
}

.honor-info {
  padding: 16px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.honor-info h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
  line-height: 1.4;
}

.honor-year {
  font-size: 0.8rem;
  color: var(--color-text-light);
  font-weight: 500;
}

/* 自适应列数：荣誉个数由后台控制，grid 自动适配 */
@media (max-width: 768px) {
  .honor-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .honor-img-wrap {
    padding: 12px;
  }

  .honor-info {
    padding: 12px 16px;
  }

  .honor-info h3 {
    font-size: 0.875rem;
  }
}

@media (max-width: 480px) {
  .honor-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .honor-img-wrap {
    padding: 10px;
    aspect-ratio: 1 / 1;
  }

  .honor-info {
    padding: 10px 12px;
  }

  .honor-info h3 {
    font-size: 0.8rem;
    line-height: 1.3;
  }

  .honor-year {
    font-size: 0.75rem;
  }
}

/* ===== 搜索框 ===== */
.search-box {
  max-width: 480px;
  margin-bottom: 32px;
}

.search-box input {
  width: 100%;
  padding: 12px 16px 12px 42px;
  border: 2px solid var(--color-border);
  border-radius: 10px;
  font-size: 0.95rem;
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.3-4.3'/%3E%3C/svg%3E") no-repeat 14px center;
  transition: all 0.3s ease;
}

.search-box input:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 4px rgba(29, 78, 216, 0.1);
}

.search-box input::placeholder {
  color: #9ca3af;
}

.search-no-result {
  display: none;
  padding: 32px;
  text-align: center;
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* ===== 静态地图卡片 ===== */
.static-map-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.static-map-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.static-map-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #1d4ed8, #2563eb);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.static-map-header strong {
  display: block;
  font-size: 0.95rem;
  color: var(--color-text);
}

.static-map-header span {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.static-map-body {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 1;
  overflow: hidden;
}

.static-map-body svg {
  width: 100%;
  height: 100%;
}

.static-map-compass {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 40px;
  height: 40px;
  opacity: 0.6;
}

.static-map-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.static-map-footer .coord {
  font-size: 0.78rem;
  color: #94a3b8;
  font-family: "SF Mono", "Consolas", monospace;
}

.map-link {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s;
}

.map-link:hover {
  color: var(--color-primary-dark);
}

@media (max-width: 640px) {
  /* 端口/语言切换器 - 小屏换行防溢出 */
  .lang-switch {
    flex-wrap: wrap;
    gap: 2px;
    margin-left: 0;
    padding-left: 0;
    border-left: none;
  }
  .lang-switch a {
    font-size: 0.7rem;
    padding: 3px 6px;
  }

  .static-map-body { aspect-ratio: 3 / 2; }
  .static-map-footer { flex-direction: column; align-items: flex-start; gap: 8px; }
  .ctrl-compass { top: 8px; right: 8px; width: 36px; height: 36px; }
  .ctrl-direction { padding: 6px 10px; }
  .dir-arrow { font-size: 1.1rem; }
  .dir-name { font-size: 0.78rem; }
  .dir-dist { font-size: 0.65rem; }
  .ctrl-direction-bottom { bottom: 8px; }
  .ctrl-direction-right { bottom: 50px; right: 8px; }
}

/* ===== 地图浮动控件（指南针/方向指示器/比例尺） ===== */
.ctrl-compass {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #e2e8f0;
  z-index: 10;
}

.ctrl-direction {
  position: absolute;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-radius: 8px;
  padding: 8px 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  border: 1px solid #e2e8f0;
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 10;
}

.dir-arrow {
  font-size: 1.3rem;
  font-weight: 700;
  color: #1d4ed8;
  line-height: 1;
}

.dir-text { display: flex; flex-direction: column; }
.dir-name { font-size: 0.82rem; font-weight: 600; color: #1e293b; }
.dir-dist { font-size: 0.7rem; color: #94a3b8; margin-top: 1px; }

.ctrl-direction-bottom-left { bottom: 12px; left: 12px; }
.ctrl-direction-bottom-right { bottom: 12px; right: 12px; }

.ctrl-scale {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 6px;
  padding: 5px 10px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid #e2e8f0;
  z-index: 10;
}

.ctrl-scale .bar {
  width: 50px;
  height: 2px;
  background: #475569;
  position: relative;
}

.ctrl-scale .bar::before,
.ctrl-scale .bar::after {
  content: "";
  position: absolute;
  top: -3px;
  width: 2px;
  height: 8px;
  background: #475569;
}

.ctrl-scale .bar::before { left: 0; }
.ctrl-scale .bar::after { right: 0; }
.ctrl-scale span { font-size: 0.68rem; color: #475569; font-weight: 500; }

/* ===== 锚点导航 ===== */
.anchor-nav {
  position: sticky;
  top: 64px;
  z-index: 90;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.anchor-nav .container {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.anchor-nav a {
  display: block;
  padding: 14px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-light);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

.anchor-nav a:hover { color: var(--color-primary); }

.anchor-nav a.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ===== 应用场景列表 ===== */
.app-grid { list-style: none; gap: 20px; }

.app-card {
  padding: 28px 32px;
  border-left: 4px solid var(--color-primary);
  background: transparent;
  border-radius: 0 12px 12px 0;
  transition: all 0.3s ease;
}

.app-card:hover {
  background: transparent;
  transform: translateX(4px);
}

.app-card p {
  margin: 0;
  color: var(--color-text);
  font-size: 0.95rem;
}

/* ===== 下拉菜单 ===== */
.nav-dropdown {
  position: relative;
}

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

.dropdown-toggle::after {
  content: "";
  position: absolute;
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
  border: 4px solid transparent;
  border-top-color: currentColor;
  transition: transform 0.2s ease;
}

.nav-dropdown:hover .dropdown-toggle::after {
  transform: translateY(-50%) rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  border: 1px solid var(--color-border);
  padding: 16px 20px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  z-index: 1000;
  min-width: 320px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown.active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-section h4 {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--color-border);
}

.dropdown-section a {
  display: block;
  padding: 6px 0;
  font-size: 0.875rem;
  color: var(--color-text);
  white-space: nowrap;
  transition: all 0.2s ease;
}

.dropdown-section a:hover {
  color: var(--color-primary);
  padding-left: 4px;
}

/* ===== 大号特性列表（包装规格） ===== */
.feature-list-lg { margin-top: 24px; max-width: 760px; }

.feature-list-lg li {
  padding: 14px 0;
  font-size: 1rem;
  border-bottom: 1px dashed var(--color-border);
  align-items: flex-start;
  transition: all 0.2s ease;
}

.feature-list-lg li:hover {
  background: transparent;
  padding-left: 8px;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 860px;
  margin-top: 8px;
  border-top: 1px solid var(--color-border);
}

.faq-item summary {
  padding: 18px 0;
  font-size: 1.0625rem;
  color: var(--color-text);
}

.faq-item summary:hover { color: var(--color-primary); }

.faq-item p {
  margin-top: 4px;
  margin-bottom: 12px;
  line-height: 1.8;
}

/* ===== 返回产品中心 ===== */
.back-link {
  margin-top: 32px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.back-link:hover {
  gap: 12px;
  color: var(--color-primary-dark);
}

/* ===== 返回顶部按钮 ===== */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--color-primary) 0%, #2563eb 100%);
  color: #fff;
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(29, 78, 216, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
  z-index: 95;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, #1d4ed8 100%);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(29, 78, 216, 0.5);
}

.back-to-top:active {
  transform: translateY(0);
}

/* ===== 预留端口提示条 ===== */
.port-notice {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: 12px;
  padding: 20px 24px;
  color: var(--color-text-light);
  font-size: 0.95rem;
  box-shadow: 0 2px 8px rgba(29, 78, 216, 0.08);
}

.port-notice strong { color: var(--color-primary-dark); }

/* ===== Footer ===== */
.site-footer {
  background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
  color: #94a3b8;
  padding: 56px 0 28px;
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 32px;
}

.footer-brand { max-width: 340px; }

.footer-brand-title {
  color: #fff;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1rem;
}

.footer-brand-title img { height: 26px; }

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 48px;
}

.footer-col-title {
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.footer-links ul { list-style: none; }

.footer-links li { margin-bottom: 8px; }

.footer-links a {
  color: #94a3b8;
  font-size: 0.875rem;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  border-top: 1px solid #334155;
  margin-top: 32px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.8rem;
  color: #64748b;
}

.footer-bottom a { color: #94a3b8; transition: color 0.2s ease; }
.footer-bottom a:hover { color: #fff; }

.footer-lang {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.footer-lang a {
  font-size: 0.8rem;
  color: #94a3b8;
  border: 1px solid #374151;
  border-radius: 8px;
  padding: 5px 12px;
  transition: all 0.2s ease;
}

.footer-lang a:hover,
.footer-lang a.active {
  color: #fff;
  border-color: var(--color-primary);
  background: rgba(29, 78, 216, 0.2);
}

/* ===== 响应式 — 自动适配主流手机/平板/桌面 ===== */

/* ---------- 平板竖屏 (769–1024px)：网格降列、留白收窄 ---------- */
@media (min-width: 769px) and (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }

  .container { padding: 0 32px; }
  .section { padding: 56px 0; }

  .product-hero { gap: 36px; }
  .product-hero-media img { max-height: 320px; object-fit: cover; }

  .hero h1 { font-size: 2.25rem; }

  .stats { gap: 32px; }
  .footer-links { gap: 32px; }
}

/* ---------- 中小屏 (≤900px)：产品 Hero 改纵向堆叠 ---------- */
@media (max-width: 900px) {
  .product-hero {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .product-hero-media { max-width: 520px; margin: 0 auto; }

  /* 统计数字横向滚动 */
  .stats {
    gap: 16px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 8px;
    flex-wrap: nowrap;
  }
  .stat-item { min-width: 120px; flex-shrink: 0; }
}

/* ---------- 手机 (≤768px)：核心断点 ---------- */
@media (max-width: 768px) {
  /* --- 导航 --- */
  .menu-toggle { display: flex; }

  .site-header .container {
    height: 56px;
  }

  .site-logo img {
    height: 32px;
    width: 32px;
  }

  .site-logo-text {
    font-size: 0.85rem;
  }

  .site-logo {
    font-size: 1.05rem;
  }

  section[id] { scroll-margin-top: 60px; }

  .site-nav {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 16px 20px;
    gap: 0;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow);
    max-height: calc(100vh - 56px);
    overflow-y: auto;
  }

  .site-nav.open { display: flex; }

  .site-nav a {
    display: block;
    padding: 12px 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--color-border);
  }

  .site-nav a:last-child { border-bottom: none; }
  .site-nav a.active::after { display: none; }

  .nav-dropdown {
    width: 100%;
  }

  .nav-dropdown .dropdown-toggle::after {
    right: 0;
    top: 50%;
    transform: translateY(-50%) rotate(90deg);
  }

  .nav-dropdown.active .dropdown-toggle::after {
    transform: translateY(-50%) rotate(270deg);
  }

  .dropdown-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    display: none;
    min-width: 100%;
    grid-template-columns: 1fr;
    padding: 0 0 0 16px;
    box-shadow: none;
    border: none;
    background: transparent;
  }

  .nav-dropdown.active .dropdown-menu {
    display: grid;
    transform: none;
  }

  .dropdown-section {
    margin-bottom: 8px;
  }

  .dropdown-section h4 {
    font-size: 0.75rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
  }

  .dropdown-section a {
    display: block;
    padding: 6px 0;
    font-size: 0.9rem;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
  }

  .dropdown-section a:last-child {
    border-bottom: none;
  }

  .lang-switch {
    margin: 0;
    padding: 12px 0 4px;
    border-left: none;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
  }

  .lang-switch a {
    font-size: 0.78rem;
    padding: 5px 10px;
  }

  /* --- Hero（手机端已由上方 768px 媒体查询处理） --- */

  .hero-actions .btn {
    width: 100%;
    text-align: center;
    padding: 12px 20px;
    font-size: 0.9375rem;
  }

  /* --- 内容区 --- */
  .section { padding: 32px 0; }

  .section h2 { font-size: 1.375rem; margin-bottom: 0.5em; }
  .section h3 { font-size: 1.125rem; }

  .lead { font-size: 0.9375rem; margin-bottom: 20px; }
  .lead-sm { font-size: 0.875rem; }

  .grid { gap: 16px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

  /* --- 卡片 --- */
  .card { padding: 20px; }
  .card-icon { width: 40px; height: 40px; font-size: 1.15rem; margin-bottom: 14px; border-radius: 10px; }

  /* --- 产品卡片 --- */
  .product-card > span.product-tag,
  .product-card > h2,
  .product-card > p,
  .product-card > h3,
  .product-card > ul,
  .product-card > .card-more {
    margin-left: 16px;
    margin-right: 16px;
  }

  .product-card-media img { aspect-ratio: 1 / 1; }

  .product-card-title { font-size: 1.15rem; }

  .feature-list li { padding: 4px 0; font-size: 0.85rem; }
  .feature-list-lg li { font-size: 0.9375rem; padding: 10px 0; }

  /* --- 锚点导航（产品详情页） --- */
  .anchor-nav { top: 56px; }
  .anchor-nav .container { padding: 0 8px; }
  .anchor-nav a { padding: 10px 10px; font-size: 0.82rem; }

  /* --- 产品详情 Hero --- */
  .product-hero-section { padding: 16px 0 32px; }
  .product-hero { gap: 24px; }
  .product-hero-text h1 { font-size: 1.5rem; }
  .product-hero-media { border-radius: 8px; }

  /* --- 联系页 --- */
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }

  /* --- 统计 --- */
  .stats { gap: 16px; justify-content: space-between; }
  .stat-number { font-size: 1.625rem; }
  .stat-label { font-size: 0.8rem; }

  /* --- FAQ --- */
  .faq-list { border-top: none; }
  .faq-item summary { font-size: 0.95rem; padding: 14px 0; }
  .faq-item p { font-size: 0.9rem; }

  /* --- 返回顶部 --- */
  .back-to-top { right: 16px; bottom: 16px; width: 40px; height: 40px; font-size: 1.1rem; }

  /* --- 时间轴 --- */
  .timeline-year { font-size: 1.1rem; }
  .timeline-title { font-size: 0.95rem; }

  /* --- 图片 --- */
  .figure-img { border-radius: 8px; }

  /* --- 表格 --- */
  table.data-table { font-size: 0.85rem; min-width: 0; }
  table.data-table th,
  table.data-table td { padding: 8px 10px; }

  /* --- Footer --- */
  .site-footer { padding: 36px 0 20px; }

  .site-footer .container {
    flex-direction: column;
    gap: 24px;
  }

  .footer-brand { max-width: 100%; }

  .footer-brand-title {
    font-size: 0.95rem;
  }

  .footer-brand p { font-size: 0.8rem; line-height: 1.55; }

  .footer-links {
    flex-direction: column;
    gap: 20px;
  }

  .footer-links li { margin-bottom: 5px; }
  .footer-links a { font-size: 0.82rem; }

  .footer-bottom {
    font-size: 0.75rem;
    line-height: 1.6;
    margin-top: 20px;
    padding-top: 16px;
  }

  .footer-lang {
    margin-top: 10px;
    gap: 6px;
  }

  .footer-lang a {
    font-size: 0.75rem;
    padding: 3px 8px;
  }

  /* --- 表单 --- */
  .form-input { padding: 10px 12px; font-size: 0.9rem; }
  .form-label { font-size: 0.875rem; }

  /* --- 提示条 --- */
  .port-notice { padding: 14px 16px; font-size: 0.875rem; }
  .callout { padding: 14px 16px; font-size: 0.875rem; }
}

/* ---------- 超小屏 (≤400px)：320px 等老设备 ---------- */
@media (max-width: 400px) {
  .container { padding: 0 12px; }

  .hero { padding: 28px 0 24px; }
  .hero h1 { font-size: 1.375rem; }
  .hero p { font-size: 0.875rem; }

  .section h2 { font-size: 1.2rem; }

  .stat-number { font-size: 1.375rem; }
  .stat-item { min-width: 100px; }

  .card { padding: 16px; }
  .card-icon { width: 36px; height: 36px; font-size: 1rem; }

  .product-card > span.product-tag,
  .product-card > h2,
  .product-card > p,
  .product-card > h3,
  .product-card > ul,
  .product-card > .card-more {
    margin-left: 12px;
    margin-right: 12px;
  }

  .product-card-title { font-size: 1.05rem; }
  .product-hero-text h1 { font-size: 1.25rem; }

  .footer-brand-title { font-size: 0.875rem; }
  .footer-brand-title img { height: 20px; }
}

/* ---------- 大屏 (≥1440px)：加宽内容 ---------- */
@media (min-width: 1440px) {
  :root { --max-width: 1320px; }
  .hero-slogan h1 { font-size: 3rem; }
}

/* ===== 动效偏好：尊重系统「减少动态效果」设置 ===== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

/* ===== 安全区域（刘海屏 / 底部指示条） ===== */
@supports (padding-top: env(safe-area-inset-top)) {
  .site-header { padding-top: env(safe-area-inset-top); }
  .site-footer { padding-bottom: calc(24px + env(safe-area-inset-bottom)); }
  .back-to-top { bottom: calc(24px + env(safe-area-inset-bottom)); }
}

/* ===== 打印优化 ===== */
@media print {
  .site-header,
  .site-footer,
  .menu-toggle,
  .hero-actions,
  .lang-switch,
  .anchor-nav,
  .back-to-top,
  .skip-link {
    display: none !important;
  }

  .card,
  .product-card { break-inside: avoid; box-shadow: none; }

  table.data-table { min-width: 0; font-size: 0.8rem; }

  .table-wrap { overflow: visible; }
}

/* 首页询盘留言板块：电脑版横向 / 手机版纵向 */
.inquiry-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: start;
}
.inquiry-intro h2 { margin-bottom: 16px; }
.inquiry-intro .lead { margin-bottom: 28px; color: var(--color-text-light); }
.inquiry-contact {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
.inquiry-contact li {
  display: flex;
  gap: 12px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--color-text);
}
.inquiry-contact .ic-label {
  flex: 0 0 56px;
  font-weight: 600;
  color: var(--color-text-light);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 768px) {
  .inquiry-layout { grid-template-columns: 1fr; gap: 28px; }
  .form-row { grid-template-columns: 1fr; }
}