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

:root {
  --primary: #c8161d;
  --primary-dark: #a81017;
  --text-dark: #1f2937;
  --text-gray: #6b7280;
  --text-light: #9ca3af;
  --bg-light: #f3f4f6;
  --bg-section: #f8f9fb;
  --border: #e5e7eb;
  --white: #ffffff;
  --footer-bg: #1f2329;
  --footer-text: #9ca3af;
}

html {
  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(--text-dark);
  line-height: 1.6;
  background-color: var(--white);
}

a {
  text-decoration: none;
  color: inherit;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 顶部导航 ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--white);
  border-bottom: 1px solid var(--border);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo img {
  width: 44px;
  height: 44px;
  border-radius: 6px;
  object-fit: cover;
}

.logo span {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-dark);
  letter-spacing: 1px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav a {
  font-size: 15px;
  color: var(--text-dark);
  font-weight: 500;
  transition: color 0.2s;
}

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

.btn {
  display: inline-block;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
  border-radius: 6px;
  transition: all 0.2s;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--white);
  padding: 10px 24px;
  font-size: 15px;
}

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

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

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

/* ===== 轮播 Hero ===== */
.hero {
  position: relative;
  width: 100%;
  height: 620px;
  overflow: hidden;
  background-color: var(--bg-light);
}

.hero-slides {
  width: 100%;
  height: 100%;
  position: relative;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 5;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background-color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all 0.3s;
}

.hero-dot.active {
  background-color: var(--white);
  width: 28px;
  border-radius: 5px;
}

/* ===== 通用区块标题 ===== */
.section {
  padding: 80px 0;
}

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

.section-head {
  text-align: center;
  margin-bottom: 56px;
}

.section-head h2 {
  font-size: 34px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 14px;
}

.section-head p {
  font-size: 17px;
  color: var(--text-gray);
}

/* ===== 优势卡片 ===== */
.features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 36px 28px;
  transition: box-shadow 0.25s, transform 0.25s;
}

.feature-card:hover {
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
  transform: translateY(-4px);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: #fdeaea;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.feature-icon svg {
  width: 26px;
  height: 26px;
}

.feature-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-dark);
}

.feature-card p {
  font-size: 14px;
  color: var(--text-gray);
  line-height: 1.7;
}

/* ===== 产品卡片 ===== */
.products {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-card {
  background-color: var(--white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
  transition: box-shadow 0.25s, transform 0.25s;
}

.product-card:hover {
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.12);
  transform: translateY(-4px);
}

.product-card .thumb {
  width: 100%;
  height: 220px;
  overflow: hidden;
}

.product-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

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

.product-body {
  padding: 24px;
}

.product-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.product-body p {
  font-size: 14px;
  color: var(--text-gray);
  line-height: 1.7;
  margin-bottom: 18px;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
}

.product-link svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s;
}

.product-link:hover svg {
  transform: translateX(4px);
}

.products-more {
  text-align: center;
  margin-top: 48px;
}

.btn-lg {
  padding: 14px 36px;
  font-size: 16px;
}

/* ===== CTA 区块 ===== */
.cta {
  background-color: var(--primary);
  color: var(--white);
  text-align: center;
  padding: 80px 0;
}

.cta h2 {
  font-size: 34px;
  font-weight: 700;
  margin-bottom: 18px;
}

.cta p {
  font-size: 17px;
  max-width: 640px;
  margin: 0 auto 36px;
  opacity: 0.95;
  line-height: 1.7;
}

.btn-white {
  background-color: var(--white);
  color: var(--primary);
  padding: 14px 40px;
  font-size: 16px;
}

.btn-white:hover {
  background-color: #f3f4f6;
}

/* ===== 页脚 ===== */
.footer {
  background-color: var(--footer-bg);
  color: var(--footer-text);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.4fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

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

.footer-brand .logo {
  margin-bottom: 18px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--footer-text);
  transition: all 0.2s;
}

.footer-social a:hover {
  background-color: var(--primary);
  color: var(--white);
}

.footer-social svg {
  width: 18px;
  height: 18px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 22px;
}

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

.footer-col li {
  margin-bottom: 14px;
}

.footer-col a,
.footer-col p {
  font-size: 14px;
  line-height: 1.7;
  transition: color 0.2s;
}

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

.footer-qr img {
  width: 120px;
  height: 120px;
  border-radius: 6px;
  background-color: var(--white);
  padding: 6px;
}

.footer-qr p {
  font-size: 14px;
  margin-bottom: 16px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 8px;
}

.footer-bottom .links a {
  font-size: 13px;
  color: var(--text-light);
  margin: 0 8px;
}

.footer-bottom .links a:hover {
  color: var(--white);
}

/* ===== 产品页：页头横幅 ===== */
.page-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  text-align: center;
  padding: 72px 0;
}

.page-banner h1 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
}

.page-banner p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.9);
  max-width: 640px;
  margin: 0 auto;
}

/* ===== 产品页：搜索栏 ===== */
.product-search-bar {
  background-color: var(--bg-section);
  padding: 40px 0;
}

.search-box {
  position: relative;
  max-width: 100%;
}

.search-box svg {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--text-light);
}

.search-box input {
  width: 100%;
  height: 52px;
  padding: 0 18px 0 48px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text-dark);
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.search-box input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(200, 22, 29, 0.1);
}

/* ===== 产品页：列表 ===== */
.product-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-item {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s, box-shadow 0.25s;
}

.product-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1);
}

.product-item .thumb {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.product-item .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

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

.product-item-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-item-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.product-item-body .desc {
  font-size: 14px;
  color: var(--text-gray);
  line-height: 1.6;
  margin-bottom: 16px;
}

.product-item-body .spec {
  font-size: 14px;
  color: var(--text-gray);
  margin-bottom: 20px;
}

.product-item-body .spec span {
  color: var(--text-dark);
  font-weight: 600;
}

.product-item-actions {
  display: flex;
  gap: 12px;
  margin-top: auto;
}

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  padding: 10px 18px;
  font-size: 14px;
}

.btn-outline:hover {
  background-color: var(--primary);
  color: var(--white);
}

.product-item-actions .btn-primary {
  padding: 10px 18px;
  font-size: 14px;
}

.product-empty {
  text-align: center;
  font-size: 16px;
  color: var(--text-gray);
  padding: 60px 0;
}

/* ===== 产品页：定制 CTA ===== */
.custom-cta {
  background-color: var(--bg-section);
  text-align: center;
  padding: 72px 0;
}

.custom-cta h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.custom-cta p {
  font-size: 16px;
  color: var(--text-gray);
  margin-bottom: 32px;
}

/* ===== 关于页：企业简介 ===== */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.about-intro-text h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 24px;
}

.about-intro-text p {
  font-size: 15px;
  color: var(--text-gray);
  line-height: 1.9;
  margin-bottom: 16px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.stat-box {
  background-color: var(--bg-section);
  border-radius: 12px;
  text-align: center;
  padding: 36px 20px;
}

.stat-num {
  font-size: 38px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 15px;
  color: var(--text-gray);
}

/* ===== 关于页：发展历程时间轴 ===== */
.timeline {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  padding: 20px 0;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background-color: var(--primary);
  opacity: 0.3;
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 24px 44px;
  box-sizing: border-box;
}

.timeline-item.left {
  left: 0;
  text-align: right;
}

.timeline-item.right {
  left: 50%;
  text-align: left;
}

.timeline-item::after {
  content: "";
  position: absolute;
  top: 32px;
  width: 16px;
  height: 16px;
  background-color: var(--primary);
  border-radius: 50%;
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--primary);
}

.timeline-item.left::after {
  right: -8px;
}

.timeline-item.right::after {
  left: -8px;
}

.timeline-year {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

.timeline-content h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.timeline-content p {
  font-size: 14px;
  color: var(--text-gray);
  line-height: 1.7;
}

/* ===== 关于页：企业文化 ===== */
.culture-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.culture-card {
  background-color: var(--bg-section);
  border-radius: 12px;
  text-align: center;
  padding: 44px 28px;
}

.culture-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-dark);
  margin: 20px 0 12px;
}

.culture-card p {
  font-size: 15px;
  color: var(--text-gray);
  line-height: 1.7;
}

.culture-card .feature-icon {
  margin: 0 auto;
}

/* ===== 关于页：资质认证 ===== */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.cert-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px 24px;
  transition: box-shadow 0.2s, transform 0.2s;
}

.cert-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.cert-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: rgba(200, 22, 29, 0.1);
  color: var(--primary);
}

.cert-icon svg {
  width: 22px;
  height: 22px;
}

.cert-item p {
  font-size: 15px;
  color: var(--text-dark);
  font-weight: 500;
}

/* ===== 新闻页：分类筛选栏 ===== */
.news-filter-bar {
  background-color: var(--bg-section);
  padding: 36px 0;
}

.news-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.news-tab {
  padding: 10px 26px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text-gray);
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.news-tab:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.news-tab.active {
  color: var(--white);
  background-color: var(--primary);
  border-color: var(--primary);
}

/* ===== 新闻页：列表 ===== */
.news-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.news-card {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s, box-shadow 0.25s;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1);
}

.news-thumb {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

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

.news-card-body {
  padding: 22px 24px 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 14px;
}

.news-date,
.news-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-light);
}

.news-date svg,
.news-tag svg {
  width: 14px;
  height: 14px;
}

.news-card-body h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.news-card-body p {
  font-size: 14px;
  color: var(--text-gray);
  line-height: 1.7;
  margin-bottom: 18px;
}

.news-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}

.news-more span {
  font-size: 17px;
  line-height: 1;
}

.news-more:hover {
  color: var(--primary-dark);
}

.news-empty {
  text-align: center;
  font-size: 16px;
  color: var(--text-gray);
  padding: 60px 0;
}

/* ===== 新闻页：分页 ===== */
.news-pagination-wrap {
  background-color: var(--bg-section);
  padding: 48px 0;
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-btn {
  min-width: 42px;
  height: 42px;
  padding: 0 16px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text-gray);
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.page-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.page-btn.active {
  color: var(--white);
  background-color: var(--primary);
  border-color: var(--primary);
}

.page-dots {
  color: var(--text-light);
  padding: 0 4px;
}

/* ===== 新闻详情页 ===== */
.news-detail-section {
  background-color: var(--bg-section);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 28px;
}

.breadcrumb a {
  color: var(--text-gray);
  transition: color 0.2s;
}

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

.breadcrumb .sep {
  color: var(--text-light);
}

.breadcrumb .current {
  color: var(--text-dark);
}

.article-card {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 48px;
  max-width: 900px;
  margin: 0 auto;
}

.article-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-dark);
  margin-bottom: 18px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  padding-bottom: 28px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-light);
}

.article-meta svg {
  width: 16px;
  height: 16px;
}

.article-cover {
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 32px;
}

.article-cover img {
  width: 100%;
  height: auto;
  display: block;
}

.article-content p {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-gray);
  margin-bottom: 22px;
}

.article-content p:last-child {
  margin-bottom: 0;
}

/* 相关新闻 */
.related-news {
  max-width: 900px;
  margin: 40px auto 0;
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 40px 48px;
}

.related-news h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.related-list {
  list-style: none;
}

.related-list li {
  border-bottom: 1px solid var(--border);
}

.related-list li:last-child {
  border-bottom: none;
}

.related-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  transition: color 0.2s;
}

.related-title {
  font-size: 16px;
  color: var(--text-dark);
  transition: color 0.2s;
}

.related-list a:hover .related-title {
  color: var(--primary);
}

.related-date {
  flex-shrink: 0;
  font-size: 14px;
  color: var(--text-light);
}

/* ===== 产品详情页：概览区 ===== */
.product-detail-top {
  background-color: var(--bg-section);
  padding: 32px 0 56px;
}

.product-detail-top .breadcrumb {
  margin-bottom: 28px;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

/* 图片画廊 */
.gallery-main {
  border-radius: 12px;
  overflow: hidden;
  background-color: var(--white);
  margin-bottom: 16px;
}

.gallery-main img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.gallery-thumb {
  border: 2px solid transparent;
  border-radius: 8px;
  overflow: hidden;
  padding: 0;
  cursor: pointer;
  background: none;
  transition: border-color 0.2s;
}

.gallery-thumb img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.gallery-thumb.active {
  border-color: var(--primary);
}

.gallery-thumb:hover {
  border-color: var(--primary);
}

/* 产品信息 */
.product-info h1 {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.product-info-desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-gray);
  margin-bottom: 28px;
}

.product-specs {
  margin-bottom: 28px;
}

.product-specs .spec-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.product-specs dt {
  font-size: 15px;
  color: var(--text-gray);
  flex-shrink: 0;
}

.product-specs dd {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
  text-align: right;
}

.product-info-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.btn-block {
  width: 100%;
  justify-content: center;
}

.product-info-actions .btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.product-info-actions .btn-outline svg {
  width: 18px;
  height: 18px;
}

/* ===== 产品详情页：详情正文 ===== */
.product-detail-body {
  max-width: 960px;
}

.detail-heading {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 24px;
}

.detail-text {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-gray);
  margin-bottom: 36px;
}

.detail-subheading {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 18px;
}

.detail-list {
  list-style: none;
  margin-bottom: 36px;
}

.detail-list:last-child {
  margin-bottom: 0;
}

.detail-list li {
  position: relative;
  padding-left: 32px;
  font-size: 15px;
  color: var(--text-gray);
  line-height: 1.6;
  margin-bottom: 16px;
}

.detail-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  width: 20px;
  height: 20px;
  background-color: var(--primary);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 12px;
}

/* ===== 人才招聘页：职位列表 ===== */
.jobs-section {
  background-color: var(--bg-section);
}

.job-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.job-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 32px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.job-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
}

.job-info {
  flex: 1;
  min-width: 0;
}

.job-title-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.job-title-row h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
}

.job-dept {
  font-size: 13px;
  color: var(--primary);
  background-color: rgba(200, 22, 29, 0.1);
  padding: 4px 12px;
  border-radius: 6px;
}

.job-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 14px;
}

.job-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-gray);
}

.job-tag svg {
  width: 15px;
  height: 15px;
  color: var(--text-light);
}

.job-desc {
  font-size: 14px;
  color: var(--text-gray);
  line-height: 1.6;
}

.job-action {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  flex-shrink: 0;
}

.job-date {
  font-size: 13px;
  color: var(--text-light);
}

/* ===== 招聘详情页 ===== */
.job-detail-section {
  background-color: var(--bg-section);
}

.job-detail-section .breadcrumb {
  margin-bottom: 28px;
}

.job-detail-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 32px;
  align-items: start;
}

/* 左侧职位卡片 */
.job-detail-card {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 44px;
}

.job-detail-title {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 18px;
}

.job-detail-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  margin-bottom: 20px;
}

.job-detail-tags .job-tag {
  font-size: 15px;
}

.job-detail-tags .job-salary {
  color: var(--primary);
  font-weight: 600;
}

.job-detail-tags .job-salary svg {
  color: var(--primary);
}

.job-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 48px;
}

.job-detail-meta span {
  font-size: 15px;
  color: var(--text-gray);
}

.job-detail-meta strong {
  color: var(--text-dark);
  font-weight: 600;
}

.job-detail-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 28px 0;
}

.job-block {
  margin-bottom: 36px;
}

.job-block:last-child {
  margin-bottom: 0;
}

.job-block h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 18px;
}

/* 福利待遇绿色对勾 */
.detail-list-green li::before {
  background-color: #16a34a;
}

/* 右侧申请表单 */
.apply-card {
  position: sticky;
  top: 96px;
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px;
}

.apply-card h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 24px;
}

.apply-form .form-group {
  margin-bottom: 18px;
}

.apply-form label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.apply-form label .req {
  color: var(--primary);
}

.apply-form input,
.apply-form textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text-dark);
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.apply-form textarea {
  resize: vertical;
  min-height: 110px;
}

.apply-form input:focus,
.apply-form textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(200, 22, 29, 0.1);
}

.apply-form .btn-block {
  margin-top: 6px;
}

/* ===== 联系我们页 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

/* 左侧表单卡片 */
.contact-form-card h2,
.contact-info h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 28px;
}

.contact-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.contact-form .form-group {
  margin-bottom: 20px;
}

.contact-form label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.contact-form label .req {
  color: var(--primary);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 13px 14px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text-dark);
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.contact-form textarea {
  resize: vertical;
  min-height: 140px;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(200, 22, 29, 0.1);
}

/* 右侧联系方式 */
.contact-list {
  list-style: none;
  margin-bottom: 36px;
}

.contact-list li {
  display: flex;
  gap: 18px;
  margin-bottom: 28px;
}

.contact-list li:last-child {
  margin-bottom: 0;
}

.contact-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: rgba(200, 22, 29, 0.1);
  color: var(--primary);
}

.contact-icon svg {
  width: 22px;
  height: 22px;
}

.contact-text h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.contact-value {
  font-size: 15px;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.contact-sub {
  font-size: 13px;
  color: var(--text-light);
}

/* 地图卡片 */
.map-card {
  background-color: var(--bg-section);
  border-radius: 12px;
  padding: 24px;
}

.map-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.map-frame {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
}

.map-frame img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  display: block;
}

.map-credit {
  position: absolute;
  left: 8px;
  bottom: 6px;
  font-size: 11px;
  color: var(--text-light);
  background-color: rgba(255, 255, 255, 0.8);
  padding: 2px 6px;
  border-radius: 4px;
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
  .features {
    grid-template-columns: repeat(2, 1fr);
  }
  .products {
    grid-template-columns: repeat(2, 1fr);
  }
  .product-list {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-list {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .product-detail-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .job-detail-grid {
    grid-template-columns: 1fr;
  }
  .apply-card {
    position: static;
  }
  .about-intro {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .culture-grid {
    grid-template-columns: 1fr;
  }
  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero {
    height: 460px;
  }
}

@media (max-width: 768px) {
  .nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background-color: var(--white);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0 24px;
    border-bottom: 1px solid var(--border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .nav.open {
    max-height: 400px;
    padding: 12px 24px;
  }
  .nav a {
    padding: 12px 0;
    width: 100%;
  }
  .header .btn-primary {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .features {
    grid-template-columns: 1fr;
  }
  .products {
    grid-template-columns: 1fr;
  }
  .product-list {
    grid-template-columns: 1fr;
  }
  .news-list {
    grid-template-columns: 1fr;
  }
  .contact-form-row {
    grid-template-columns: 1fr;
  }
  .cert-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .job-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    padding: 24px 20px;
  }
  .job-action {
    flex-direction: row;
    align-items: center;
    width: 100%;
    justify-content: space-between;
  }
  .section {
    padding: 56px 0;
  }
  .section-head h2,
  .cta h2 {
    font-size: 26px;
  }
  .page-banner h1 {
    font-size: 30px;
  }
  .page-banner {
    padding: 56px 0;
  }
  .hero {
    height: 320px;
  }
  /* 文章详情移动端 */
  .article-card,
  .related-news {
    padding: 28px 20px;
  }
  .article-title {
    font-size: 24px;
  }
  .article-meta {
    gap: 14px 18px;
  }
  .related-list a {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  /* 时间轴改为单列左对齐 */
  .timeline::before {
    left: 8px;
  }
  .timeline-item,
  .timeline-item.left,
  .timeline-item.right {
    width: 100%;
    left: 0;
    text-align: left;
    padding: 16px 0 16px 40px;
  }
  .timeline-item.left::after,
  .timeline-item.right::after {
    left: 0;
    right: auto;
  }
}