:root {
  --primary-color: #8B4513; /* 木色 */
  --primary-dark: #6B3410; /* 深木色 */
  --primary-light: #A0522D; /* 浅木色 */
  --accent-color: #009610; /* 绿色行动按钮 */
  --accent-hover: #007a0d; /* 绿色按钮 hover */
  --text-color: #333333;
  --text-light: #555555;
  --text-muted: #888888;
  --bg-white: #ffffff;
  --bg-light: #f8f9fa;
  --bg-dark: #1a1a1a;
  --border-color: #e0e0e0;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.16);
  --transition: all 0.3s ease;
  --container-width: 1200px;
  --header-height: 120px;
  --nav-height: 60px;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

/* 栏目详情介绍 */
.class-description {
  margin: 40px 0;
  padding: 30px;
  background-color: var(--bg-light);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.class-description h2 {
  color: var(--primary-color);
  font-size: 1.5rem;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-light);
}

.class-description p {
  margin-bottom: 15px;
  line-height: 1.8;
  text-indent: 2em;
}

.class-description ul,
.class-description ol {
  margin: 15px 0;
  padding-left: 30px;
}

.class-description li {
  margin-bottom: 8px;
  line-height: 1.6;
}

.class-description strong {
  color: var(--primary-color);
  font-weight: 600;
}

@media (max-width: 768px) {
  .class-description {
    padding: 20px;
    margin: 30px 0;
  }
  
  .class-description h2 {
    font-size: 1.3rem;
  }
}

/* 新闻页面宽容器 */
.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary-color);
  color: white;
  padding: 8px 16px;
  z-index: 10000;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 0;
}

/* 头部样式 */
.site-header {
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
  height: var(--header-height);
}

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

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 16px;
}

.logo img {
  height: 100px;
  width: auto;
}

.logo-info {
  display: flex;
  flex-direction: column;
}

.site-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1.2;
  margin: 0;
}

.site-slogan {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.2;
  margin: 0;
  font-weight: 500;
}

.header-contact {
  text-align: right;
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
  min-width: 300px;
}

.header-contact .contact-label {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight: 500;
}

.header-contact .contact-phone {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.75rem !important;
  font-weight: 700 !important;
  color: var(--accent-color);
  text-decoration: none;
  transition: var(--transition);
  line-height: 1.2;
  white-space: nowrap;
  justify-content: flex-end;
}

.header-contact .phone-icon {
  font-size: 1.5rem !important;
}

.header-contact .phone-number {
  letter-spacing: 1px;
  font-size: 1.75rem !important;
}

.header-contact .contact-phone:hover {
  color: var(--accent-hover);
  transform: translateY(-2px);
  text-shadow: 0 2px 4px rgba(0, 150, 16, 0.3);
}

/* 主导航栏 - 独立区域 */
.main-nav {
  background: var(--primary-dark);
  height: var(--nav-height);
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 4px;
  transition: var(--transition);
}

.mobile-menu-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

.mobile-menu-toggle.active {
  background: var(--accent-color);
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background: white;
  position: relative;
  transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: white;
  left: 0;
  transition: var(--transition);
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  top: 8px;
}

.mobile-menu-toggle.active .hamburger {
  background: transparent;
}

.mobile-menu-toggle.active .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.mobile-menu-toggle.active .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

.menu-text {
  display: none;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 0;
  margin: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 0 20px;
  height: var(--nav-height);
  color: white;
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--accent-color);
  transition: width 0.3s;
}

.nav-link:hover::after {
  width: 80%;
}

.dropdown-arrow {
  font-size: 0.7rem;
  margin-left: 4px;
  transition: transform 0.3s;
}

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

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: white;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  list-style: none;
  padding: 8px 0;
  z-index: 100;
}

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

.dropdown-link {
  display: block;
  padding: 12px 20px;
  color: var(--text-color);
  text-decoration: none;
  transition: var(--transition);
}

.dropdown-link:hover {
  background: var(--bg-light);
  color: var(--primary-color);
  padding-left: 25px;
}

.nav-cta {
  display: flex;
  align-items: center;
}

.btn-nav-cta {
  background: var(--accent-color);
  color: white;
  padding: 10px 24px;
  border-radius: 4px;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-nav-cta:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.mobile-phone-btn {
  display: none;
  background: var(--accent-color);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  transition: var(--transition);
  align-items: center;
  justify-content: center;
}

.mobile-phone-btn:hover {
  background: var(--accent-hover);
  transform: scale(1.1);
}

.mobile-phone-number {
  display: none;
  color: white;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

.mobile-phone-number:hover {
  color: var(--accent-color);
}

.mobile-menu-phone {
  display: none;
  color: white;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  transition: var(--transition);
  padding: 5px 10px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.mobile-menu-phone:hover {
  color: var(--accent-color);
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--accent-color);
}

.mobile-nav-logo {
  display: none;
  text-decoration: none;
}

.mobile-nav-logo img {
  display: block;
  height: 40px;
  width: auto;
}

.mobile-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

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

/* 首屏 Banner 样式 - 深棕色渐变，与整体木色调协调 */
.hero-banner {
  position: relative;
  background: linear-gradient(135deg, #2d1b0e 0%, #4a2c17 50%, #6b4423 100%);
  color: white;
  padding: 120px 0;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></svg>');
  background-size: 200px 200px;
  opacity: 0.3;
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
}

.title-highlight {
  display: block;
  color: #fbbf24;
  margin-bottom: 10px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
}

.title-sub {
  display: block;
  font-size: 1.5rem;
  font-weight: 400;
  color: #f5f5f4;
  opacity: 0.95;
}

.hero-desc {
  font-size: 1.25rem;
  margin-bottom: 40px;
  color: #e7e5e4;
  opacity: 0.95;
}

.hero-cta {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

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

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

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

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

.btn-large {
  padding: 16px 40px;
  font-size: 1.1rem;
}

.btn-lg {
  padding: 12px 28px;
  font-size: 1rem;
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

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

/* 通用 section 样式 */
.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header.light {
  color: white;
}

.section-tag {
  display: inline-block;
  background: var(--primary-color);
  color: white;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-header.light .section-tag {
  background: rgba(255, 255, 255, 0.2);
}

.section-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-color);
  position: relative;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent-color);
}

.section-header.light .section-title {
  color: white;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

.section-header.light .section-desc {
  color: rgba(255, 255, 255, 0.9);
}

/* 产品中心样式 */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.product-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border-color);
  cursor: pointer;
}

.product-card a {
  text-decoration: none;
  color: inherit;
  display: block;
  cursor: pointer;
}

.product-card a:hover {
  text-decoration: none;
}

.product-content h3 a {
  color: var(--text-color);
  font-weight: 600;
  transition: color 0.3s ease;
}

.product-content h3 a:hover {
  color: var(--primary-color);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.product-image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.product-image a {
  display: block;
  width: 100%;
  height: 100%;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

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

/* 移除悬停遮罩效果 */
/* .product-overlay 和 .btn-view 已从HTML中移除 */

.product-info {
  padding: 24px;
}

.product-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-color);
}

.product-name a {
  color: inherit;
  text-decoration: none;
}

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

.product-desc {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-bottom: 16px;
  line-height: 1.6;
}

.product-action {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.product-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
}

.product-link:hover {
  color: var(--accent-color);
}

.product-cta {
  background: var(--primary-color);
  color: white !important;
  padding: 8px 16px;
  border-radius: 4px;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
}

.product-cta:hover {
  background: var(--primary-dark);
  color: white !important;
  cursor: pointer;
}

/* 应用场景样式 */
.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.scenario-card {
  background: white;
  padding: 32px;
  border-radius: 12px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.scenario-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}

.scenario-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.scenario-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--primary-color);
}

.scenario-card p {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* 核心优势样式 */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.advantage-card {
  text-align: center;
  padding: 32px;
  background: white;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}

.advantage-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.advantage-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-color);
}

.advantage-card p {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* 信任背书区样式 */
.section-trust {
  background: var(--bg-light);
}

.trust-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.trust-item {
  background: white;
  padding: 32px;
  border-radius: 12px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.trust-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}

.trust-item img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  margin-bottom: 20px;
}

.trust-item p {
  font-size: 18px;
  margin-bottom: 20px;
  color: var(--text-color);
}

/* 福利触发器样式 */
.section-benefit {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: white;
  text-align: center;
}

.benefit-content h2 {
  font-size: 24px;
  margin-bottom: 20px;
  color: white;
}

.benefit-content p {
  font-size: 18px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.9);
}

/* 联系我们样式 */
.section-contact {
  background: var(--bg-light);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-form {
  background: white;
  padding: 40px;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

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

.form-group label {
  display: block;
  margin-bottom: 10px;
  font-size: 16px;
  color: var(--text-color);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 15px;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  font-size: 16px;
  font-family: Microsoft Yahei, 宋体, sans-serif;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.1);
}

.contact-info {
  background: white;
  padding: 40px;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.contact-info h3 {
  font-size: 24px;
  margin-bottom: 30px;
  color: var(--primary-color);
}

.contact-info p {
  font-size: 16px;
  margin-bottom: 20px;
  color: var(--text-light);
}

.contact-info p a {
  color: var(--accent-color);
  text-decoration: none;
  font-weight: bold;
}

.wechat-qr {
  margin-top: 30px;
  text-align: center;
}

.wechat-qr img {
  max-width: 200px;
  height: auto;
  border-radius: 10px;
  margin-bottom: 10px;
}

.wechat-qr p {
  font-size: 16px;
  color: var(--text-color);
}

/* CTA 区域样式 */
.section-cta {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
  color: white;
  text-align: center;
}

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: white;
}

.cta-content > p {
  font-size: 1.25rem;
  margin-bottom: 40px;
  opacity: 0.9;
}

.cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

/* 底部固定咨询栏样式 */
.fixed-contact {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: white;
  box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.1);
  z-index: 999;
  padding: 15px 0;
}

.fixed-contact-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.wechat-qr-small {
  display: flex;
  align-items: center;
  gap: 15px;
}

.wechat-qr-small img {
  width: 50px;
  height: 50px;
  border-radius: 5px;
}

.wechat-qr-small p {
  font-size: 14px;
  color: var(--text-color);
  margin: 0;
}

.contact-phone {
  flex: 1;
  text-align: right;
}

.phone-btn {
  display: inline-block;
  background: var(--accent-color);
  color: white;
  padding: 12px 36px;
  border-radius: 5px;
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 700;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
}

.phone-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* 页脚样式 */
.site-footer {
  background: var(--bg-dark);
  color: white;
  padding: 60px 0 20px;
  margin-bottom: 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: white;
}

.footer-section p {
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 12px;
}

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

.footer-section li {
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  line-height: 1.6;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition);
}

.footer-section a:hover {
  color: var(--accent-color);
  padding-left: 8px;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-marquee {
  background: var(--bg-light);
  padding: 10px 0;
  margin: 0;
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
}

.footer-contact-item .contact-icon {
  font-size: 1.25rem;
  color: var(--accent-color);
}

.footer-contact-item a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition);
}

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

.footer-contact-item span {
  color: rgba(255, 255, 255, 0.8);
}

.footer-links-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-links-tags a {
  display: inline-block;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  border-radius: 4px;
  transition: var(--transition);
  font-size: 0.9rem;
}

.footer-links-tags a:hover {
  background: var(--accent-color);
  color: white;
  padding-left: 16px;
}

/* 弹窗样式 */
.popup {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.5);
}

.popup-content {
  background-color: white;
  margin: 15% auto;
  padding: 40px;
  border-radius: 10px;
  width: 80%;
  max-width: 500px;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.close {
  color: var(--text-muted);
  float: right;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  transition: var(--transition);
}

.close:hover {
  color: var(--text-color);
}

.popup-content h3 {
  font-size: 24px;
  margin-bottom: 30px;
  color: var(--primary-color);
  text-align: center;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .container {
    padding: 0 16px;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .site-header {
    display: none;
  }
  
  .header-content {
    display: none;
  }
  
  .nav-wrapper {
    position: relative;
    height: 50px;
    padding: 0 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .mobile-nav-logo {
    display: block;
    margin-left: 10px;
  }
  
  .mobile-menu-phone {
    display: inline-block;
    margin-left: 10px;
  }
  
  .nav-cta {
    position: relative;
    right: 0;
    top: 0;
    transform: none;
  }
  
  .nav-cta .btn-nav-cta {
    display: none;
  }
  
  .nav-cta .mobile-phone-btn {
    display: flex;
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
  }
  
  .nav-cta .mobile-phone-number {
    display: inline-block;
    margin-left: 8px;
  }
  
  .nav-menu {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .nav-item {
    margin: 0 5px;
  }
  
  .nav-link {
    padding: 0 15px;
  }
  
  .nav-cta {
    display: flex;
    flex-direction: column;
    gap: 5px;
  }
  
  .btn-nav-cta {
    display: none;
  }
  
  .mobile-nav-contact {
    display: flex;
    flex-direction: column;
    gap: 5px;
  }
  
  .mobile-nav-phone {
    display: block;
  }
  
  .mobile-nav-phone-icon {
    display: flex;
  }
  
  .hero-content {
    padding: 0 20px;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-cta .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
  
  .products-grid,
  .trust-content,
  .scenarios-grid,
  .advantages-grid {
    grid-template-columns: 1fr;
  }
  
  .product-card,
  .trust-item,
  .scenario-card,
  .advantage-card {
    margin-bottom: 20px;
  }
  
  .fixed-contact-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .wechat-qr-small {
    margin-bottom: 10px;
  }
  
  .contact-phone {
    text-align: center;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .footer-section {
    margin-bottom: 30px;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .section-header {
    margin-bottom: 40px;
  }
  
  .popup-content {
    width: 90%;
    padding: 30px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.8rem;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .contact-form,
  .contact-info {
    padding: 20px;
  }
  
  .form-group input,
  .form-group textarea {
    padding: 12px;
  }
  
  .btn {
    padding: 12px 24px;
  }
  
  .fixed-contact {
    padding: 10px 0;
  }
  
  .wechat-qr-small img {
    width: 40px;
    height: 40px;
  }
  
  .phone-btn {
    padding: 8px 20px;
    font-size: 14px;
  }
}

/* PC页面样式 */
.breadcrumb {
  background: var(--bg-light);
  padding: 15px 0;
  border-bottom: 1px solid var(--border-color);
}

.breadcrumb .container {
  display: flex;
  align-items: center;
}

.breadcrumb p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

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

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

.category-header {
  background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%);
  padding: 50px 0;
  text-align: center;
  border-bottom: 2px solid var(--accent-color);
  position: relative;
}

.category-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.category-header h1 {
  font-size: 1.8rem;
  color: var(--text-color);
  margin-bottom: 20px;
  font-weight: 700;
  letter-spacing: 1px;
  position: relative;
  display: inline-block;
}

.category-header h1::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--accent-color);
  margin: 15px auto 0;
  border-radius: 2px;
}

.category-description {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 900px;
  margin: 0 auto;
  line-height: 1.8;
  font-weight: 400;
}

.featured-products {
  padding: 60px 0;
  background: var(--bg-light);
}

.featured-products h2,
.product-list h2 {
  text-align: center;
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 40px;
  position: relative;
}

.featured-products h2::after,
.product-list h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--accent-color);
  margin: 15px auto 0;
}

.product-list {
  padding: 60px 0;
  background: var(--bg-white);
}

/* dq.asp页面标题样式 */
.dq-page-header {
  text-align: center;
  margin-bottom: 50px;
  padding: 40px 20px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  border-radius: 12px;
  color: white;
}

.dq-page-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: white;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.dq-page-header .category-description {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .dq-page-header {
    padding: 30px 15px;
    margin-bottom: 30px;
  }

  .dq-page-title {
    font-size: 1.75rem;
    margin-bottom: 15px;
  }

  .dq-page-header .category-description {
    font-size: 0.95rem;
  }
}

.product-content {
  padding: 18px;
}

.product-content h3 {
  font-size: 1.1rem;
  color: var(--text-color);
  margin-bottom: 12px;
  font-weight: 600;
  text-align: center;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.product-tags a,
.product-tags span {
  display: inline-block;
  padding: 3px 10px;
  background: var(--accent-color);
  color: white !important;
  font-size: 0.75rem;
  border-radius: 20px;
  font-weight: 500;
  text-decoration: none !important;
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
}

.product-tags a:hover,
.product-tags span:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.product-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-color);
  color: white;
  font-size: 0.85rem;
  border-radius: 20px;
  font-weight: 500;
}

.no-data {
  text-align: center;
  padding: 60px 0;
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.pagination {
  margin-top: 40px;
  text-align: center;
}

.pagination a {
  display: inline-block;
  padding: 8px 16px;
  margin: 0 5px;
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  text-decoration: none;
  border-radius: 4px;
  transition: var(--transition);
}

.pagination a:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.pagination .current {
  background: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* 动画效果 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* 钩子样式 */
.seo-hooks {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 24px;
  padding: 24px;
  background: linear-gradient(135deg, rgba(139, 69, 19, 0.05) 0%, rgba(139, 69, 19, 0.02) 100%);
  border-radius: 12px;
  border: 1px solid rgba(139, 69, 19, 0.2);
}

.hook-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: white;
  border-radius: 25px;
  border: 1px solid rgba(139, 69, 19, 0.1);
  transition: all 0.3s ease;
  font-size: 0.95rem;
  color: var(--text-color);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.hook-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(139, 69, 19, 0.2);
  border-color: var(--primary-color);
  background: rgba(255, 255, 255, 0.95);
}

.hook-icon {
  font-size: 1.3rem;
  line-height: 1;
  color: var(--primary-color);
}

.hook-text {
  font-weight: 500;
  color: var(--text-color);
}

/* 回到顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: 100px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--accent-color);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--accent-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* 加载动画 */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(139, 69, 19, 0.3);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* 表单提交按钮 */
.form-submit {
  background: var(--accent-color);
  color: white;
  padding: 14px 32px;
  border-radius: 6px;
  border: none;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
}

.form-submit:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* 产品标签 */
.product-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-color);
  color: white;
  border-radius: 12px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-right: 8px;
  margin-bottom: 8px;
}

/* 价格样式 */
.price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-color);
  margin: 10px 0;
}

.price-unit {
  font-size: 1rem;
  font-weight: normal;
  color: var(--text-muted);
}

/* 库存状态 */
.stock-status {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.875rem;
  font-weight: 500;
}

.stock-in {
  background: rgba(0, 150, 16, 0.1);
  color: var(--accent-color);
}

.stock-out {
  background: rgba(255, 0, 0, 0.1);
  color: #ff0000;
}

/* 面包屑导航 */
.breadcrumb-wrapper {
  background: var(--bg-light);
  padding: 16px 0;
  border-bottom: 1px solid var(--border-color);
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.9rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.breadcrumb li {
  display: flex;
  align-items: center;
  white-space: nowrap;
}

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

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

.breadcrumb .separator {
  color: var(--text-muted);
  padding: 0 4px;
}

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

/* 分页样式 */
.pagination-wrapper {
  margin-top: 40px;
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 15px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-color);
  text-decoration: none;
  font-size: 14px;
  background: white;
  transition: var(--transition);
}

.pagination a:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.pagination span.current {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

/* 无数据提示 */
.no-data {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 1rem;
  background: white;
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
}

/* 新闻列表样式 */
.news-list {
  list-style: none;
}

.news-list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

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

.news-list li:hover {
  padding-left: 10px;
}

.news-list a {
  color: var(--text-color);
  text-decoration: none;
  font-size: 0.95rem;
  line-height: 1.5;
  display: block;
  transition: var(--transition);
}

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

.news-list .news-date {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 8px;
  display: block;
}

/* 产品详情页样式 */
.product-detail {
  padding: 40px 0;
}

.product-detail-header {
  text-align: center;
  margin-bottom: 40px;
}

.product-detail-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 12px;
}

.product-detail-subtitle {
  font-size: 1.125rem;
  color: var(--text-light);
}

.product-detail-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.product-detail-image {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.product-detail-image img {
  width: 100%;
  height: auto;
  display: block;
}

.product-detail-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.product-detail-description {
  background: var(--bg-light);
  padding: 24px;
  border-radius: 8px;
  border-left: 4px solid var(--primary-color);
}

.product-detail-description p {
  line-height: 1.8;
  color: var(--text-light);
  margin-bottom: 12px;
}

.product-detail-features {
  background: white;
  padding: 24px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.product-detail-features h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 16px;
}

.product-detail-features ul {
  list-style: none;
  display: grid;
  gap: 12px;
}

.product-detail-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-color);
}

.product-detail-features li::before {
  content: '✓';
  color: var(--accent-color);
  font-weight: bold;
  font-size: 1.25rem;
}

.product-detail-contact {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  padding: 24px;
  border-radius: 8px;
  text-align: center;
}

.contact-phone-simple {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  color: white;
  text-decoration: none;
  font-size: 3.5rem;
  font-weight: 700;
}

.contact-phone-simple .phone-icon {
  font-size: 3.5rem;
}

.contact-phone-simple .phone-number {
  font-size: 3.5rem !important;
  letter-spacing: 4px;
}

.contact-hint {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.9);
  margin: 12px 0 0 0;
}

.product-detail-contact a:hover {
  text-decoration: underline;
}

@media (max-width: 1024px) {
  .product-detail-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

/* 产品详情内容区域 - d.asp专用 */
.product-detail-content-section {
  margin: 60px 0 !important;
  padding: 40px !important;
  background: white !important;
  border-radius: 12px !important;
  box-shadow: var(--shadow-sm) !important;
  border: 1px solid var(--border-color) !important;
  display: block !important;
}

.product-detail-content-section .section-main-title {
  font-size: 1.75rem !important;
  font-weight: 700 !important;
  color: var(--primary-color) !important;
  margin-bottom: 24px !important;
  padding-bottom: 12px !important;
  border-bottom: 3px solid var(--primary-color) !important;
  display: block !important;
}

.product-detail-content-text {
  line-height: 1.8 !important;
  color: var(--text-color) !important;
  font-size: 1rem !important;
}

.product-detail-content-text p {
  margin-bottom: 16px !important;
  line-height: 1.8 !important;
}

.product-detail-content-text img {
  max-width: 100% !important;
  height: auto !important;
  border-radius: 8px !important;
  margin: 20px 0 !important;
  display: block !important;
}

/* 适用场景样式 - d.asp专用 */
.scenarios-section {
  margin: 60px 0 !important;
  padding: 40px !important;
  background: white !important;
  border-radius: 12px !important;
  box-shadow: var(--shadow-sm) !important;
  border: 1px solid var(--border-color) !important;
  display: block !important;
}

.scenarios-section .section-main-title {
  font-size: 1.75rem !important;
  font-weight: 700 !important;
  color: var(--primary-color) !important;
  margin-bottom: 24px !important;
  padding-bottom: 12px !important;
  border-bottom: 3px solid var(--primary-color) !important;
  display: block !important;
}

.section-intro {
  font-size: 1rem !important;
  color: var(--text-light) !important;
  margin-bottom: 32px !important;
  line-height: 1.6 !important;
}

.scenarios-list {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)) !important;
  gap: 24px !important;
}

.scenario-item {
  background: var(--bg-light) !important;
  padding: 24px !important;
  border-radius: 8px !important;
  border: 1px solid var(--border-color) !important;
  transition: var(--transition) !important;
}

.scenario-item:hover {
  transform: translateY(-4px) !important;
  box-shadow: var(--shadow-md) !important;
  border-color: var(--primary-color) !important;
}

.scenario-item h3 {
  font-size: 1.25rem !important;
  font-weight: 600 !important;
  color: var(--primary-color) !important;
  margin-bottom: 12px !important;
}

.scenario-item p {
  font-size: 0.95rem !important;
  color: var(--text-light) !important;
  line-height: 1.6 !important;
  margin: 0 !important;
}

/* 产品导航样式 */
.product-navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 40px 0;
  padding: 24px;
  background: var(--bg-light);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.nav-prev,
.nav-next {
  flex: 1;
  padding: 16px 20px;
  background: white;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.nav-prev:hover,
.nav-next:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.nav-label {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 500;
}

.nav-prev a,
.nav-next a {
  color: var(--primary-color);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-prev a:hover,
.nav-next a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* 相关产品区域 */
.related-products-section {
  margin: 60px 0;
  padding: 40px;
  background: white;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .product-detail-content-section,
  .scenarios-section,
  .related-products-section {
    padding: 24px;
    margin: 40px 0;
  }

  .scenarios-list {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .product-navigation {
    flex-direction: column;
    gap: 16px;
  }

  .section-main-title {
    font-size: 1.5rem;
  }

  .contact-phone-simple {
    font-size: 2.5rem;
    gap: 12px;
  }

  .contact-phone-simple .phone-icon {
    font-size: 2.5rem;
  }

  .contact-phone-simple .phone-number {
    font-size: 2.5rem !important;
    letter-spacing: 3px;
  }

  .contact-hint {
    font-size: 0.85rem;
  }
}

/* 产品详情页新样式 */
.product-detail-page {
  padding: 40px 0;
  background: var(--bg-white);
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 450px 1fr;
  gap: 40px;
  align-items: start;
}

.product-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 100px;
}

.sidebar-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.product-image-card {
  padding: 0;
  border: none;
  box-shadow: var(--shadow-lg);
}

.product-figure {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  background: white;
}

.product-figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  transition: transform 0.3s ease;
}

.product-figure:hover img {
  transform: scale(1.02);
}

.contact-card {
  padding: 24px;
  background: linear-gradient(135deg, var(--bg-light) 0%, white 100%);
}

.contact-header {
  text-align: center;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--accent-color);
}

.contact-header h3 {
  font-size: 1.3rem;
  color: var(--text-color);
  margin-bottom: 4px;
  font-weight: 700;
}

.contact-header p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
}

.contact-content {
  text-align: center;
}

/* 联系页面电话按钮 - 使用独立类名避免冲突 */
.contact-page-phone {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-color);
  text-decoration: none;
  margin-bottom: 20px;
  transition: all 0.3s ease;
}

.contact-page-phone:hover {
  color: var(--primary-color);
  transform: scale(1.05);
}

.product-main {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.product-article {
  background: white;
  border-radius: 12px;
  padding: 32px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.product-article-header {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--border-color);
}

.product-article-header h1 {
  font-size: 2rem;
  color: var(--text-color);
  margin-bottom: 16px;
  font-weight: 700;
  line-height: 1.3;
}

.product-meta {
  display: flex;
  gap: 24px;
  align-items: center;
}

.meta-time,
.meta-views {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.product-summary {
  background: var(--bg-light);
  padding: 20px;
  border-radius: 8px;
  border-left: 4px solid var(--accent-color);
  margin-bottom: 24px;
}

.product-summary p {
  margin: 0;
  line-height: 1.6;
  color: var(--text-color);
}

.product-description {
  margin-top: 32px;
}

.description-content {
  line-height: 1.8;
  color: var(--text-color);
}

.description-content h1,
.description-content h2,
.description-content h3,
.description-content h4,
.description-content h5,
.description-content h6 {
  color: var(--text-color);
  margin-top: 24px;
  margin-bottom: 16px;
  font-weight: 600;
}

.description-content h1 {
  font-size: 1.8rem;
}

.description-content h2 {
  font-size: 1.6rem;
}

.description-content h3 {
  font-size: 1.4rem;
}

.description-content h4 {
  font-size: 1.2rem;
}

.description-content p {
  margin-bottom: 16px;
  line-height: 1.8;
  color: var(--text-color);
  text-indent: 2em;
}

.description-content ul,
.description-content ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

.description-content li {
  margin-bottom: 8px;
  line-height: 1.6;
}

.description-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 20px 0;
  box-shadow: var(--shadow-sm);
}

.description-content strong,
.description-content b {
  color: var(--primary-color);
  font-weight: 600;
}

.description-content a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.description-content a:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

.description-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  background: white;
}

.description-content th,
.description-content td {
  padding: 12px;
  text-align: left;
  border: 1px solid var(--border-color);
}

.description-content th {
  background: var(--bg-light);
  font-weight: 600;
}

.product-features-section {
  margin-top: 40px;
  padding-top: 40px;
  border-top: 2px solid var(--border-color);
}

.features-content {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--bg-light);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.feature-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--accent-color);
  color: white;
  border-radius: 50%;
  font-size: 1.2rem;
  font-weight: 700;
  flex-shrink: 0;
}

.feature-text h4 {
  font-size: 1.1rem;
  color: var(--text-color);
  margin-bottom: 8px;
  font-weight: 600;
}

.feature-text p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

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

.related-products-section {
  padding: 60px 0;
  background: var(--bg-light);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 1024px) {
  .product-detail-grid {
    grid-template-columns: 1fr;
  }
  
  .product-sidebar {
    position: static;
  }
}

/* 关于我们页面样式 */
.about-page {
  padding: 40px 0;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 60px;
}

.about-image {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image img {
  width: 100%;
  height: auto;
  display: block;
}

.about-experience {
  position: absolute;
  bottom: 30px;
  right: 30px;
  background: var(--accent-color);
  color: white;
  padding: 24px;
  border-radius: 8px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.exp-number {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  display: block;
}

.exp-text {
  font-size: 0.95rem;
  line-height: 1.3;
  opacity: 0.9;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-lead {
  font-size: 1.25rem;
  color: var(--primary-color);
  font-weight: 500;
}

.about-features-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.feature-tag {
  background: var(--bg-light);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  color: var(--text-color);
  border: 1px solid var(--border-color);
}

@media (max-width: 1024px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* 联系我们页面样式 */
.contact-page {
  padding: 40px 0;
}

.contact-page h1 {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 40px;
}

/* 新闻资讯页面样式 */
.news-page {
  padding: 40px 0;
}

.news-page h1 {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 40px;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.news-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.news-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.news-card-image {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.news-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.news-card:hover .news-card-image img {
  transform: scale(1.1);
}

.news-card-content {
  padding: 24px;
}

.news-card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-color);
}

.news-card-title a {
  color: inherit;
  text-decoration: none;
}

.news-card-title a:hover {
  color: var(--primary-color);
}

.news-card-excerpt {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-bottom: 16px;
  line-height: 1.6;
}

.news-card-meta {
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.news-card-date {
  display: flex;
  align-items: center;
  gap: 8px;
}

.news-card-readmore {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.news-card-readmore:hover {
  color: var(--accent-color);
  text-decoration: underline;
}

/* 产品分类页面样式 */
.products-list-page {
  padding: 40px 0;
}

.products-list-header {
  margin-bottom: 40px;
}

.products-list-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 16px;
}

.products-list-header p {
  font-size: 1.125rem;
  color: var(--text-light);
  line-height: 1.8;
  text-indent: 2em;
}

/* 响应式导航 */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }
  
  .mobile-phone-btn {
    display: flex;
  }
  
  .nav-cta {
    display: none;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background: white;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    z-index: 999;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-link {
    color: var(--text-color);
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    width: 100%;
  }
  
  .nav-link:hover,
  .nav-link.active {
    background: none;
    color: var(--primary-color);
  }
  
  .nav-link::after {
    display: none;
  }
  
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 0;
    margin-left: 20px;
  }
  
  .dropdown-link {
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
  }
  
  .dropdown-link:hover {
    padding-left: 10px;
  }
  
  .mobile-overlay {
    display: block;
  }
}

/* 打印样式 */
@media print {
  .site-header,
  .main-nav,
  .fixed-contact,
  .site-footer,
  .back-to-top {
    display: none;
  }
  
  .section {
    padding: 20px 0;
  }
  
  .container {
    max-width: 100%;
  }
  
  a {
    color: var(--primary-color);
    text-decoration: none;
  }
  
  a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
  }
  
  img {
    max-width: 100%;
    height: auto;
  }
}

/* 无障碍样式 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
  :root {
    --primary-color: #000000;
    --primary-dark: #333333;
    --text-color: #000000;
    --text-light: #333333;
    --bg-white: #ffffff;
    --border-color: #000000;
  }
}

/* 深色模式 */
@media (prefers-color-scheme: dark) {
  :root {
    --text-color: #e0e0e0;
    --text-light: #b0b0b0;
    --text-muted: #808080;
    --bg-white: #1a1a1a;
    --bg-light: #2d2d2d;
    --border-color: #404040;
  }
  
  .product-card,
  .trust-item,
  .scenario-card,
  .advantage-card,
  .contact-form,
  .contact-info,
  .news-card {
    background: var(--bg-light);
    border-color: var(--border-color);
  }
  
  .product-name,
  .scenario-card h3,
  .advantage-card h3,
  .news-card-title {
    color: var(--text-color);
  }
  
  .product-desc,
  .scenario-card p,
  .advantage-card p,
  .news-card-excerpt {
    color: var(--text-light);
  }
  
  .form-group input,
  .form-group textarea {
    background: var(--bg-white);
    color: var(--text-color);
    border-color: var(--border-color);
  }
  
  .form-group input:focus,
  .form-group textarea:focus {
    box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.3);
  }
}