/* ========================================
   潜山安南刷业有限公司官网 - 主样式文件
   ======================================== */

/* CSS变量定义 */
:root {
  /* 颜色变量 - 深蓝商务风 */
  --color-primary: #1a365d;
  --color-secondary: #2c5282;
  --color-accent: #3182ce;
  --color-bg: #f7fafc;
  --color-white: #ffffff;
  --color-text: #1a202c;
  --color-text-secondary: #4a5568;
  --color-border: #e2e8f0;
  --color-shadow: rgba(26, 54, 93, 0.1);

  /* 字体变量 */
  --font-family: 'Microsoft YaHei', 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;

  /* 间距变量 */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-xxl: 64px;

  /* 圆角变量 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* 阴影变量 */
  --shadow-sm: 0 1px 3px var(--color-shadow);
  --shadow-md: 0 4px 6px var(--color-shadow);
  --shadow-lg: 0 10px 25px var(--color-shadow);

  /* 布局变量 */
  --container-width: 1200px;
  --header-height: 70px;

  /* 过渡动画 */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-width: 320px;
}

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

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

ul, ol {
  list-style: none;
}

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

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

/* ========================================
   容器与布局
   ======================================== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-xxl) 0;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--color-accent);
  margin: var(--spacing-sm) auto 0;
  border-radius: 2px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--color-text-secondary);
  text-align: center;
  margin-top: calc(var(--spacing-sm) * -1);
  margin-bottom: var(--spacing-xl);
}

.section-title-left {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  position: relative;
}

.section-title-left::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background: var(--color-accent);
  margin-top: var(--spacing-sm);
  border-radius: 2px;
}

/* ========================================
   按钮样式
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 12px 28px;
  font-size: 16px;
  font-weight: 500;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
}

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

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

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

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

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

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

.btn-lg {
  padding: 14px 36px;
  font-size: 18px;
}

.btn-block {
  width: 100%;
}

/* ========================================
   顶部导航栏
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--color-primary);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.logo img {
  height: 40px;
  width: auto;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-white);
}

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

.main-nav a {
  color: var(--color-white);
  font-size: 16px;
  padding: var(--spacing-xs) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-normal);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  width: 100%;
}

.header-contact {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-white);
  font-size: 16px;
  font-weight: 500;
}

.header-contact svg {
  width: 20px;
  height: 20px;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

/* ========================================
   Banner轮播
   ======================================== */
.banner {
  position: relative;
  width: 100%;
  height: 600px;
  margin-top: var(--header-height);
  overflow: hidden;
}

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

.banner-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity var(--transition-slow);
}

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

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

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(26, 54, 93, 0.85), rgba(44, 82, 130, 0.75));
  display: flex;
  align-items: center;
  justify-content: center;
}

.banner-content {
  text-align: center;
  color: var(--color-white);
  padding: 0 var(--spacing-md);
}

.banner-title {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.banner-subtitle {
  font-size: 20px;
  opacity: 0.95;
  margin-bottom: var(--spacing-lg);
}

.banner-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 50%;
  color: var(--color-white);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.banner-arrow:hover {
  background: rgba(255, 255, 255, 0.4);
}

.banner-arrow.prev {
  left: var(--spacing-lg);
}

.banner-arrow.next {
  right: var(--spacing-lg);
}

.banner-arrow svg {
  width: 24px;
  height: 24px;
}

.banner-dots {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-xs);
  z-index: 10;
}

.banner-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.banner-dot.active {
  background: var(--color-white);
  transform: scale(1.2);
}

/* ========================================
   页面头部Banner
   ======================================== */
.page-banner {
  position: relative;
  height: 300px;
  margin-top: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.page-banner-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.page-banner .container {
  text-align: center;
  color: var(--color-white);
  position: relative;
  z-index: 1;
}

.page-banner-title {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.page-banner-subtitle {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: var(--spacing-md);
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  font-size: 14px;
}

.breadcrumb a {
  color: var(--color-white);
  opacity: 0.8;
}

.breadcrumb a:hover {
  opacity: 1;
}

.breadcrumb span {
  opacity: 0.8;
}

/* ========================================
   公司简介模块
   ======================================== */
.intro-section {
  background: var(--color-white);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.intro-content p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.intro-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.intro-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-primary);
  font-weight: 500;
}

.intro-feature svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
}

.intro-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* ========================================
   核心产品模块
   ======================================== */
.products-section {
  background: var(--color-bg);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.product-category-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.product-category-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.product-category-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-category-icon svg {
  width: 40px;
  height: 40px;
  color: var(--color-white);
}

.product-category-card h3 {
  font-size: 20px;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.product-category-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

/* ========================================
   企业优势模块
   ======================================== */
.advantages-section {
  background: var(--color-white);
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--spacing-md);
}

.advantage-item {
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-md);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

.advantage-item:hover {
  background: var(--color-bg);
}

.advantage-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.advantage-icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-white);
}

.advantage-item h4 {
  font-size: 16px;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.advantage-item p {
  font-size: 14px;
  color: var(--color-text-secondary);
}

/* ========================================
   成功案例模块
   ======================================== */
.cases-section {
  background: var(--color-bg);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.case-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.case-header {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-white);
  padding: var(--spacing-md);
}

.case-header h4 {
  font-size: 18px;
  margin-bottom: var(--spacing-xs);
}

.case-header span {
  font-size: 14px;
  opacity: 0.9;
}

.case-body {
  padding: var(--spacing-md);
}

.case-item {
  margin-bottom: var(--spacing-sm);
}

.case-item:last-child {
  margin-bottom: 0;
}

.case-item-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.case-item-value {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ========================================
   服务领域模块
   ======================================== */
.partners-section {
  background: var(--color-white);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--spacing-md);
}

.partner-item {
  text-align: center;
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  transition: all var(--transition-normal);
}

.partner-item:hover {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
}

.partner-item:hover .partner-icon {
  background: var(--color-white);
}

.partner-item:hover span {
  color: var(--color-white);
}

.partner-icon {
  width: 50px;
  height: 50px;
  margin: 0 auto var(--spacing-sm);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
}

.partner-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-white);
}

.partner-item:hover .partner-icon svg {
  color: var(--color-primary);
}

.partner-item span {
  font-size: 14px;
  color: var(--color-text);
  font-weight: 500;
  transition: color var(--transition-normal);
}

/* ========================================
   底部信息
   ======================================== */
.footer {
  background: var(--color-primary);
  color: var(--color-white);
  padding-top: var(--spacing-xxl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr 1fr;
  gap: var(--spacing-lg);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
  margin-bottom: var(--spacing-sm);
}

.footer-brand p {
  font-size: 14px;
  opacity: 0.8;
  line-height: 1.7;
}

.footer-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-links a {
  color: var(--color-white);
  opacity: 0.8;
  font-size: 14px;
  transition: opacity var(--transition-fast);
}

.footer-links a:hover {
  opacity: 1;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
  font-size: 14px;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-contact-item span {
  opacity: 0.8;
  line-height: 1.5;
}

.footer-qrcode {
  text-align: center;
}

.footer-qrcode img {
  width: 120px;
  height: 120px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-xs);
}

.footer-qrcode p {
  font-size: 14px;
  opacity: 0.8;
}

.footer-bottom {
  padding: var(--spacing-md) 0;
  text-align: center;
  font-size: 14px;
  opacity: 0.8;
}

.footer-bottom p {
  margin-bottom: var(--spacing-xs);
}

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

.footer-bottom a:hover {
  text-decoration: underline;
}

/* ========================================
   关于我们页面
   ======================================== */
.about-intro {
  background: var(--color-white);
}

.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.about-intro-content p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.about-intro-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* 数据统计 */
.stats-section {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  padding: var(--spacing-xl) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  text-align: center;
}

.stat-item {
  color: var(--color-white);
}

.stat-number {
  font-size: 48px;
  font-weight: 700;
  line-height: 1;
}

.stat-number span {
  font-size: 24px;
}

.stat-label {
  font-size: 16px;
  opacity: 0.9;
  margin-top: var(--spacing-xs);
}

/* 企业文化 */
.culture-section {
  background: var(--color-bg);
}

.culture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.culture-item {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.culture-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.culture-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.culture-icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-white);
}

.culture-item h4 {
  font-size: 18px;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.culture-item p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* 发展历程时间轴 */
.timeline-section {
  background: var(--color-white);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-accent);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--spacing-xl);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -30px;
  top: 5px;
  width: 20px;
  height: 20px;
  background: var(--color-accent);
  border-radius: 50%;
  border: 4px solid var(--color-white);
  box-shadow: 0 0 0 3px var(--color-accent);
}

.timeline-content {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
}

.timeline-year {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.timeline-content h4 {
  font-size: 18px;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.timeline-content p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ========================================
   产品中心页面
   ======================================== */
.products-page {
  background: var(--color-bg);
}

.product-tabs {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.product-tab {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 12px 28px;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.product-tab svg {
  width: 20px;
  height: 20px;
}

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

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

.product-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.product-image {
  position: relative;
  width: 100%;
  padding-top: 75%;
  overflow: hidden;
  background: var(--color-bg);
}

.product-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

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

.product-info {
  padding: var(--spacing-md);
}

.product-info h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.product-info p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-cta {
  text-align: center;
  margin-top: var(--spacing-xl);
  padding: var(--spacing-xl);
  background: var(--color-white);
  border-radius: var(--radius-lg);
}

.product-cta p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
}

.product-cta p:first-child {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
}

/* ========================================
   新闻资讯页面
   ======================================== */
.news-page {
  background: var(--color-bg);
}

.news-tabs {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.news-tab {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 12px 28px;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.news-tab svg {
  width: 20px;
  height: 20px;
}

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

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

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

.news-card {
  display: flex;
  gap: var(--spacing-md);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.news-card:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-lg);
}

.news-image {
  flex-shrink: 0;
  width: 280px;
  height: 180px;
  overflow: hidden;
}

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

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

.news-content {
  flex: 1;
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.news-tag {
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 20px;
}

.news-tag.company {
  background: var(--color-primary);
  color: var(--color-white);
}

.news-tag.industry {
  background: var(--color-accent);
  color: var(--color-white);
}

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

.news-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
  transition: color var(--transition-fast);
}

.news-card:hover .news-content h3 {
  color: var(--color-primary);
}

.news-content p {
  flex: 1;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
}

.news-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
  transition: color var(--transition-fast);
}

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

/* ========================================
   联系我们页面
   ======================================== */
.contact-page {
  background: var(--color-bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--spacing-xl);
}

.contact-info h2,
.contact-form-wrapper h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.contact-info > p,
.contact-form-wrapper > p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.contact-item-icon {
  width: 50px;
  height: 50px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-item-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-white);
}

.contact-item-content h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.contact-item-content p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.contact-qrcode {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.contact-qrcode h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.qrcode-image {
  display: inline-block;
  background: var(--color-white);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.qrcode-image img {
  width: 150px;
  height: 150px;
}

.contact-qrcode p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-top: var(--spacing-sm);
}

/* 表单样式 */
.contact-form-wrapper {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
}

.required {
  color: #e53e3e;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 14px;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
}

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

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

/* FAQ模块 */
.faq-section {
  background: var(--color-white);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.faq-question:hover {
  background: var(--color-bg);
}

.faq-question h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
}

.faq-toggle {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-normal);
}

.faq-toggle svg {
  width: 20px;
  height: 20px;
  color: var(--color-text-secondary);
}

.faq-item.active .faq-toggle {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.faq-answer p {
  padding: 0 var(--spacing-md) var(--spacing-md);
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}