/**
 * XINMENG新盟 品牌网站样式表
 * 设计风格：深色科技风，参考迈从科技
 * 作者：PbootCMS Template
 * 版本：1.0.0
 */

/* ==================== CSS变量 ==================== */
:root {
  --primary-color: #1a1a1a;
  --accent-color: #1ab2ff;
  --text-light: #ffffff;
  --text-dark: #333333;
  --text-muted: #666666;
  --bg-light: #f8f9fa;
  --bg-white: #ffffff;
  --border-color: #e0e0e0;
  --border-dark: #333333;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ==================== CSS Reset ==================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    "Helvetica Neue",
    Arial,
    sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

ul,
ol {
  list-style: none;
}

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

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

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

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

table {
  border-collapse: collapse;
  width: 100%;
}

/* ==================== 布局系统 ==================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* PC端内容区域最小宽度限制 - 由JS动态控制 */
.container {
  min-width: auto;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -15px;
}

.col {
  flex: 1;
  padding: 0 15px;
}

.col-1 {
  flex: 0 0 8.333333%;
  max-width: 8.333333%;
}

.col-2 {
  flex: 0 0 16.666667%;
  max-width: 16.666667%;
}

.col-3 {
  flex: 0 0 25%;
  max-width: 25%;
}

.col-4 {
  flex: 0 0 33.333333%;
  max-width: 33.333333%;
}

.col-5 {
  flex: 0 0 41.666667%;
  max-width: 41.666667%;
}

.col-6 {
  flex: 0 0 50%;
  max-width: 50%;
}

.col-7 {
  flex: 0 0 58.333333%;
  max-width: 58.333333%;
}

.col-8 {
  flex: 0 0 66.666667%;
  max-width: 66.666667%;
}

.col-9 {
  flex: 0 0 75%;
  max-width: 75%;
}

.col-10 {
  flex: 0 0 83.333333%;
  max-width: 83.333333%;
}

.col-11 {
  flex: 0 0 91.666667%;
  max-width: 91.666667%;
}

.col-12 {
  flex: 0 0 100%;
  max-width: 100%;
}

/* ==================== 导航栏 ==================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: #f5f5f9;
  z-index: 1000;
  transition: box-shadow var(--transition-normal);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.navbar-brand img {
  width: 210px;
  outline: none;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: 0 20px;
  color: #333333;
  font-size: 14px;
  font-weight: 400;
  line-height: 70px;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--accent-color);
  font-weight: bold;
}

.nav-link:hover::after {
  transform: scaleX(1);
}

/* 下拉菜单 - 全宽多列布局 */
.dropdown-menu {
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  width: 100%;
  background-color: #ffffff;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-5px);
  transition: all 0.25s ease;
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  gap: 60px;
  padding: 35px max(15px, calc((100% - 1200px) / 2 + 15px));
  z-index: 999;
  border-bottom: 1px solid #e5e5e5;
}

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

/* 左侧区域 */
.dropdown-left {
  display: flex;
  flex-direction: column;
  min-width: 140px;
  padding-right: 200px;
}

.dropdown-explore {
  font-size: 15px;
  font-weight: 600;
  color: #333333;
  padding: 0 0 15px 0;
  margin-bottom: 10px;
}

.dropdown-explore:hover {
  color: var(--accent-color);
}

.dropdown-new {
  font-size: 15px;
  font-weight: 600;
  color: #333333;
}

.dropdown-new:hover {
  color: var(--accent-color);
}

/* 右侧区域 */
.dropdown-right {
  display: flex;
  gap: 60px;
}

.dropdown-group {
  display: flex;
  flex-direction: column;
  min-width: 120px;
}

.dropdown-title {
  font-size: 15px;
  font-weight: 600;
  color: #333333;
  padding: 0 0 12px 0;
  margin-bottom: 8px;
}

.dropdown-title:hover {
  color: var(--accent-color);
}

.dropdown-items {
  display: flex;
  flex-direction: column;
}

.dropdown-item {
  display: block;
  padding: 6px 0;
  color: #666666;
  font-size: 14px;
  font-weight: 400;
  transition: color var(--transition-fast);
}

.dropdown-item:hover {
  color: var(--accent-color);
}

/* 右侧功能区 */
.navbar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.search-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: #333333;
  transition: color var(--transition-fast);
}

.search-btn:hover {
  color: var(--accent-color);
}

.search-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.cart-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: #333333;
  transition: color var(--transition-fast);
}

.cart-btn:hover {
  color: var(--accent-color);
}

.cart-btn svg {
  width: 22px;
  height: 22px;
}

.lang-switch {
  position: relative;
  display: flex;
  align-items: center;
  gap: 5px;
  color: #333333;
  font-size: 13px;
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 4px;
  transition: background-color var(--transition-fast);
}

.lang-switch:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

.lang-switch svg {
  width: 12px;
  height: 12px;
  fill: currentColor;
}

.lang-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 100px;
  background-color: #ffffff;
  border-top: 2px solid var(--accent-color);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-md);
  z-index: 100;
}

.lang-switch:hover .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-dropdown a {
  display: block;
  padding: 10px 15px;
  color: #333333;
  font-size: 13px;
  border-bottom: 1px solid #e0e0e0;
  transition: background-color var(--transition-fast);
}

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

.lang-dropdown a:hover {
  background-color: #f5f5f5;
  color: var(--accent-color);
}

/* 汉堡按钮 */
.navbar-toggler {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  padding: 0;
}

.navbar-toggler span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: #333333;
  transition: all var(--transition-fast);
}

.navbar-toggler.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.navbar-toggler.active span:nth-child(2) {
  opacity: 0;
}

.navbar-toggler.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* 导航占位 */
.navbar-placeholder {
  height: 70px;
}

/* ==================== 搜索弹窗 ==================== */
.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.9);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.search-box {
  width: 100%;
  max-width: 600px;
  padding: 0 20px;
  position: relative;
}

.search-box form {
  display: flex;
  border-bottom: 2px solid var(--text-light);
}

.search-box input {
  flex: 1;
  padding: 15px 0;
  background: transparent;
  border: none;
  color: var(--text-light);
  font-size: 18px;
}

.search-box input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.search-box button[type="submit"] {
  padding: 15px 30px;
  background-color: var(--accent-color);
  color: var(--text-light);
  font-size: 14px;
  font-weight: 500;
  transition: background-color var(--transition-fast);
}

.search-box button[type="submit"]:hover {
  background-color: #c92a37;
}

.search-close {
  position: absolute;
  top: -60px;
  right: 20px;
  width: 50px;
  height: 50px;
  color: var(--text-light);
  font-size: 36px;
  line-height: 1;
  transition: color var(--transition-fast);
}

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

/* ==================== Banner/轮播 ==================== */
.banner {
  position: relative;
  width: 100%;
  overflow: hidden;
}

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

.banner-slide img {
  width: 100%;
  height: auto;
  display: block;
}

.banner-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--text-light);
  z-index: 10;
}

.banner-content h2 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 20px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.banner-content p {
  font-size: 18px;
  margin-bottom: 30px;
  text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
}

/* ==================== 展示区域1：全宽大图/视频 ==================== */
.show-zone {
  width: 100%;
}

.show-zone-primary {
  display: flex;
  flex-direction: column;
}

.show-hero-item {
  position: relative;
  width: 100%;
  overflow: hidden;
  margin-bottom: 10px;
}

.show-hero-media {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.show-hero-media img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.show-hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.show-hero-overlay {
  position: absolute;
  top: 80px;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  pointer-events: none;
}

.show-hero-content {
  text-align: center;
  color: #ffffff;
  pointer-events: auto;
}

.show-hero-content h2 {
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 50px;
  font-weight: bold;
  letter-spacing: 4px;
  /* margin-bottom: 16px; */
  background: #ffffff;
  /* background: linear-gradient(to bottom, rgba(173, 170, 241, 1), rgba(255, 255, 255, 1)); */
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.show-hero-tag {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 4px;
  font-size: 30px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0px;
}

.show-hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 20px;
}

/* ==================== 展示区域2：两列产品网格 ==================== */
.show-zone-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  background-color: #fff;
}

.show-grid-item {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #1a0030 0%, #0d0015 50%, #000000 100%);
  aspect-ratio: 16/10;
}

.show-grid-media {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.show-grid-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.show-grid-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.show-grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.6) 0%, transparent 60%);
  pointer-events: none;
}

.show-grid-content {
  color: #ffffff;
  pointer-events: auto;
}

.show-grid-content h3 {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: 2px;
  text-align: center;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.show-grid-tag {
  display: inline-block;
  padding: 4px 14px;
  width: 100%;
  border-radius: 4px;
  font-size: 30px;
  text-align: center;
  color: rgba(255, 255, 255, 0.8);
}

.show-grid-actions {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}

/* ==================== 按钮样式 ==================== */
.btn-buy {
  display: inline-flex !important;
  padding: 3px 24px !important;
  border-radius: 21px !important;
  background: #F39800 !important;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-buy:hover {
  background: linear-gradient(135deg, #ffa033 0%, #ff8c00 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(255, 140, 0, 0.4);
}

.btn-info {
  display: inline-block;
  padding: 10px 28px;
  background-color: rgba(0, 0, 0, 0.6);
  color: #ffffff;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid rgba(0, 0, 0, 0.9);
  border-radius: 21px !important;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  backdrop-filter: blur(4px);
}

.btn-info:hover {
  transform: translateY(-2px);
  background-color: rgba(0, 0, 0, 0.5);
  border-color: rgba(0, 0, 0, 0.75);
}

/* ==================== 轮播指示器 ==================== */
.banner-dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

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

.banner-dot.active,
.banner-dot:hover {
  background-color: var(--accent-color);
}

/* ==================== 产品卡片 ==================== */
.product-section {
  padding: 80px 0;
  background-color: var(--bg-light);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.product-card {
  background-color: var(--bg-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--transition-normal),
    box-shadow var(--transition-normal);
}

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

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

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

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

.product-card-body {
  padding: 20px;
}

.product-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.product-card-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.product-card-price {
  margin-top: 15px;
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-color);
}

/* ==================== 按钮 ==================== */
.btn {
  display: inline-block;
  padding: 12px 30px;
  font-size: 14px;
  font-weight: 500;
  text-align: center;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
}

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

.btn-primary:hover {
  background-color: #c92a37;
}

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

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

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

.btn-dark:hover {
  background-color: #333333;
}

/* ==================== 区块标题 ==================== */
.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 15px;
}

.section-title p {
  font-size: 14px;
  color: var(--text-muted);
}

.section-title.light h2,
.section-title.light p {
  color: var(--text-light);
}

/* ==================== 面包屑 ==================== */
.breadcrumb {
  padding: 15px 0;
  background-color: var(--bg-light);
  border-bottom: 1px solid var(--border-color);
}

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

.breadcrumb-item {
  font-size: 13px;
  color: var(--text-muted);
}

.breadcrumb-item a {
  color: var(--text-dark);
  transition: color var(--transition-fast);
}

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

.breadcrumb-separator {
  margin: 0 10px;
  color: var(--text-muted);
}

.breadcrumb-item.active {
  color: var(--accent-color);
}

/* ==================== 内页Banner ==================== */
.page-banner {
  position: relative;
  width: 100%;
  /* height: 540px; */
  overflow: hidden;
}

.page-banner img {
  width: 100%;
  height: auto;
  /* object-fit: cover; */
  /* object-position: center; */
}

.page-banner-content {
  position: relative;
  z-index: 1;
}

.page-banner h1 {
  font-size: 42px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 15px;
}

.page-banner p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
}

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

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

.form-control {
  width: 100%;
  padding: 12px 15px;
  font-size: 14px;
  color: var(--text-dark);
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.form-control:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
}

.form-control::placeholder {
  color: #999;
}

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

.form-select {
  width: 100%;
  padding: 12px 15px;
  font-size: 14px;
  color: var(--text-dark);
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 15px center;
  cursor: pointer;
}

/* 联系表单 */
.contact-form {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px;
  background-color: var(--bg-white);
  border-radius: 8px;
  box-shadow: var(--shadow-md);
}

.contact-form .form-row {
  display: flex;
  gap: 20px;
}

.contact-form .form-row .form-group {
  flex: 1;
}

/* ==================== 分页 ==================== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 50px;
}

.page-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 15px;
  font-size: 14px;
  color: var(--text-dark);
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.page-link:hover {
  background-color: var(--bg-light);
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.page-link.active {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  color: var(--text-light);
}

.page-link.disabled {
  color: #ccc;
  cursor: not-allowed;
  pointer-events: none;
}

.page-info {
  font-size: 14px;
  color: var(--text-muted);
  margin-left: 15px;
}

/* ==================== Footer ==================== */
.footer {
  background-color: #f2f3f7;
  color: #333333;
  padding: 50px 0 30px;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.5fr repeat(5, 1fr);
  gap: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid #d0d0d0;
}

.footer-col {
  padding-right: 10px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
}

.footer-logo {
  height: 20px;
  width: auto;
  margin-bottom: 15px;
}

.footer-slogan {
  font-size: 26px;
  color: #aeaeae;
  margin-bottom: 20px;
  letter-spacing: 1px;
  font-weight: bold;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 5px;
}

.social-item {
  position: relative;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: #f5f5f5;
  border-radius: 50%;
  color: #666666;
  transition: all var(--transition-fast);
  text-align: center;
  overflow: hidden;
}

.social-icon:hover {
  /* background-color: var(--accent-color); */
}

.social-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 50%;
}

/* 二维码弹窗 */
.social-qr {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  width: 200px;
  height: 200px;
  padding: 8px;
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 100;
}

.social-qr::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 8px solid transparent;
  border-top-color: #ffffff;
}

.social-qr img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 4px;
}

.social-item:hover .social-qr {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-15px);
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 18px;
  color: #333333;
}

.footer-col a {
  display: block;
  font-size: 13px;
  color: #666666;
  padding: 6px 0;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
}

.footer-copyright {
  font-size: 12px;
  color: #999999;
}

.footer-icp a {
  font-size: 12px;
  color: #999999;
  transition: color var(--transition-fast);
}

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

/* ==================== 回到顶部 ==================== */
.back-to-top {
  position: fixed;
  right: 30px;
  bottom: 30px;
  width: 50px;
  height: 50px;
  background-color: var(--accent-color);
  color: var(--text-light);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  z-index: 999;
  box-shadow: var(--shadow-md);
}

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

.back-to-top:hover {
  background-color: #c92a37;
  transform: translateY(-3px);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
  }

  /* 展示区域1 */
  .show-hero-media {
    /* min-height: 400px; */
  }

  .show-hero-overlay {
    top: 60px;
  }

  .show-hero-content h2 {
    font-size: 40px;
  }

  /* 展示区域2 */
  .show-grid-content h3 {
    font-size: 36px;
  }

  .show-grid-overlay {
    padding: 30px;
  }
}

@media (max-width: 768px) {

  /* 栅格系统 */
  .col-md-1 {
    flex: 0 0 8.333333%;
    max-width: 8.333333%;
  }

  .col-md-2 {
    flex: 0 0 16.666667%;
    max-width: 16.666667%;
  }

  .col-md-3 {
    flex: 0 0 25%;
    max-width: 25%;
  }

  .col-md-4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
  }

  .col-md-5 {
    flex: 0 0 41.666667%;
    max-width: 41.666667%;
  }

  .col-md-6 {
    flex: 0 0 50%;
    max-width: 50%;
  }

  .col-md-7 {
    flex: 0 0 58.333333%;
    max-width: 58.333333%;
  }

  .col-md-8 {
    flex: 0 0 66.666667%;
    max-width: 66.666667%;
  }

  .col-md-9 {
    flex: 0 0 75%;
    max-width: 75%;
  }

  .col-md-10 {
    flex: 0 0 83.333333%;
    max-width: 83.333333%;
  }

  .col-md-11 {
    flex: 0 0 91.666667%;
    max-width: 91.666667%;
  }

  .col-md-12 {
    flex: 0 0 100%;
    max-width: 100%;
  }

  /* 导航栏 */
  .navbar-toggler {
    display: flex;
    order: 3;
  }

  .navbar-brand {
    order: 1;
  }

  .navbar-right {
    order: 2;
    margin-left: auto;
    margin-right: 15px;
    gap: 10px;
  }

  .navbar-nav {
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background-color: #ffffff;
    flex-direction: column;
    align-items: flex-start;
    padding: 10px 0;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
  }

  .navbar-nav.active {
    max-height: 500px;
    opacity: 1;
    border-top: 1px solid #e0e0e0;
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    padding: 0 20px;
    line-height: 50px;
    border-bottom: 1px solid #e0e0e0;
  }

  .nav-link::after {
    display: none;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
    box-shadow: none;
    border-top: none;
    border-bottom: none;
    background-color: #f5f5f5;
    flex-direction: column;
    gap: 20px;
    padding: 0 0 10px 0;
  }

  .nav-item.dropdown-open .dropdown-menu {
    display: block;
  }

  .dropdown-left {
    padding: 0 20px;
  }

  .dropdown-explore,
  .dropdown-new {
    padding: 10px 0;
    border-bottom: none;
    font-size: 14px;
  }

  .dropdown-right {
    flex-direction: column;
    gap: 0;
  }

  .dropdown-group {
    min-width: auto;
  }

  .dropdown-title {
    padding: 10px 20px 8px 30px;
    margin-bottom: 0;
    border-bottom: none;
    font-size: 14px;
  }

  .dropdown-items {
    padding-left: 10px;
  }

  .dropdown-item {
    padding: 8px 20px 8px 40px;
    border-bottom: none;
    font-size: 13px;
  }

  /* 产品网格 */
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }

  .product-section {
    padding: 50px 0;
  }

  /* Banner */
  .banner-content h2 {
    font-size: 28px;
  }

  .banner-content p {
    font-size: 14px;
  }

  /* 展示区域1 */
  .show-hero-media {
    /* min-height: 300px; */
  }

  .show-hero-overlay {
    top: 50px;
  }

  .show-hero-content h2 {
    font-size: 32px;
  }

  .show-hero-tag {
    font-size: 12px;
    padding: 4px 12px;
  }

  .btn-buy,
  .btn-info {
    padding: 8px 20px;
    font-size: 13px;
  }

  /* 展示区域2 - 平板变单列 */
  .show-zone-grid {
    grid-template-columns: 1fr;
  }

  .show-grid-item {
    aspect-ratio: 16/9;
  }

  .show-grid-content h3 {
    font-size: 28px;
  }

  .show-grid-overlay {
    padding: 24px;
  }

  .show-grid-tag {
    font-size: 24px;
  }

  /* 区块标题 */
  .section-title h2 {
    font-size: 28px;
  }

  /* 内页Banner */
  .page-banner {
    /* height: 300px; */
  }

  .page-banner h1 {
    font-size: 28px;
  }

  /* 展示区域 */
  .show-hero-media {
    /* min-height: 350px; */
  }

  /* 产品参数表 */
  .params-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Footer */
  .footer-main {
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
  }

  .footer-brand {
    grid-column: span 3;
    flex-direction: row;
    align-items: center;
    gap: 20px;
  }

  .footer-social {
    margin-top: 0;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }

  /* 联系表单 */
  .contact-form {
    padding: 30px 20px;
  }

  .contact-form .form-row {
    flex-direction: column;
    gap: 0;
  }
}

@media (max-width: 480px) {

  /* 栅格系统 */
  .col-sm-1 {
    flex: 0 0 8.333333%;
    max-width: 8.333333%;
  }

  .col-sm-2 {
    flex: 0 0 16.666667%;
    max-width: 16.666667%;
  }

  .col-sm-3 {
    flex: 0 0 25%;
    max-width: 25%;
  }

  .col-sm-4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
  }

  .col-sm-5 {
    flex: 0 0 41.666667%;
    max-width: 41.666667%;
  }

  .col-sm-6 {
    flex: 0 0 50%;
    max-width: 50%;
  }

  .col-sm-7 {
    flex: 0 0 58.333333%;
    max-width: 58.333333%;
  }

  .col-sm-8 {
    flex: 0 0 66.666667%;
    max-width: 66.666667%;
  }

  .col-sm-9 {
    flex: 0 0 75%;
    max-width: 75%;
  }

  .col-sm-10 {
    flex: 0 0 83.333333%;
    max-width: 83.333333%;
  }

  .col-sm-11 {
    flex: 0 0 91.666667%;
    max-width: 91.666667%;
  }

  .col-sm-12 {
    flex: 0 0 100%;
    max-width: 100%;
  }

  /* 产品网格 */
  .product-grid {
    grid-template-columns: 1fr;
  }

  /* 导航栏小屏幕优化 */
  .navbar-right {
    margin-right: 10px;
    gap: 5px;
  }

  .search-btn,
  .cart-btn {
    width: 36px;
    height: 36px;
  }

  .search-btn svg {
    width: 18px;
    height: 18px;
  }

  .cart-btn svg {
    width: 20px;
    height: 20px;
  }

  .lang-switch {
    padding: 6px 8px;
    font-size: 12px;
  }

  .lang-switch span {
    display: none;
  }

  .navbar-brand img {
    max-height: 28px;
  }

  /* 字号调整 */
  html {
    font-size: 14px;
  }

  .section-title h2 {
    font-size: 24px;
  }

  .banner-content h2 {
    font-size: 22px;
  }

  /* 页面 Banner */
  .page-banner {
    /* height: 250px; */
  }

  /* 展示区域1 */
  .show-hero-media {
    /* min-height: 280px; */
  }

  .show-hero-overlay {
    top: 40px;
  }

  .show-hero-content h2 {
    font-size: 26px;
    letter-spacing: 2px;
  }

  .show-hero-tag {
    font-size: 11px;
  }

  .show-hero-actions {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }

  /* 展示区域2 */
  .show-grid-item {
    aspect-ratio: 4/3;
  }

  .show-grid-content h3 {
    font-size: 22px;
  }

  .show-grid-overlay {
    padding: 16px;
  }

  .show-grid-actions {
    flex-direction: column;
    gap: 8px;
  }

  .btn-buy,
  .btn-info {
    padding: 6px 16px;
    font-size: 12px;
  }

  /* Footer */
  .footer-main {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 20px;
  }

  .footer-brand {
    grid-column: span 1;
    flex-direction: column;
    gap: 15px;
  }

  .footer-logo {
    margin: 0 auto 10px;
  }

  .footer-social {
    justify-content: center;
  }

  /* 分页 */
  .pagination {
    flex-wrap: wrap;
  }

  .page-info {
    width: 100%;
    text-align: center;
    margin-top: 10px;
    margin-left: 0;
  }

  /* 搜索框 */
  .search-box input {
    font-size: 16px;
  }

  /* 回到顶部 */
  .back-to-top {
    right: 15px;
    bottom: 15px;
    width: 40px;
    height: 40px;
    font-size: 16px;
  }
}

/* ==================== 筛选导航 ==================== */
.filter-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.filter-item {
  display: inline-block;
  padding: 8px 20px;
  font-size: 14px;
  color: var(--text-dark);
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.filter-item:hover,
.filter-item.active {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  color: var(--text-light);
}

/* ==================== 产品详情页 ==================== */
.product-detail {
  background-color: var(--bg-white);
  border-radius: 8px;
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.product-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 15px;
}

.product-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-bottom: 20px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--border-color);
  font-size: 14px;
  color: var(--text-muted);
}

.meta-icon {
  font-style: normal;
  margin-right: 5px;
}

.meta-separator {
  color: var(--border-color);
}

.product-showcase {
  margin-bottom: 40px;
}

.product-gallery {
  background-color: var(--bg-light);
  border-radius: 8px;
  overflow: hidden;
}

.product-main-image {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.product-main-image img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.product-info {
  padding-left: 20px;
}

.product-summary {
  margin-bottom: 30px;
}

.product-summary h3,
.product-params h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--accent-color);
  display: inline-block;
}

.product-summary p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}

.params-table {
  width: 100%;
  border-collapse: collapse;
}

.params-table th,
.params-table td {
  padding: 12px 15px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  font-size: 14px;
}

.params-table th {
  width: 30%;
  color: var(--text-dark);
  font-weight: 600;
  background-color: var(--bg-light);
}

.params-table td {
  color: var(--text-muted);
}

.product-content {
  margin-top: 40px;
}

.content-header {
  margin-bottom: 30px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border-color);
}

.content-header h2 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-dark);
}

.content-body {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dark);
}

.content-body img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  margin: 20px 0;
}

.content-body p {
  margin-bottom: 15px;
}

.content-body h3,
.content-body h4 {
  margin: 25px 0 15px;
  color: var(--text-dark);
}

.related-products {
  padding-top: 40px;
  border-top: 1px solid var(--border-color);
}

/* ==================== 响应式 - 产品详情页 ==================== */
@media (max-width: 768px) {
  .product-detail {
    padding: 25px;
  }

  .product-title {
    font-size: 24px;
  }

  .product-meta {
    flex-wrap: wrap;
    gap: 10px;
  }

  .meta-separator {
    display: none;
  }

  .product-info {
    padding-left: 0;
    margin-top: 30px;
  }

  .product-main-image {
    aspect-ratio: 4/3;
  }

  .filter-nav {
    gap: 8px;
  }

  .filter-item {
    padding: 6px 15px;
    font-size: 13px;
  }
}

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

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.d-none {
  display: none;
}

.d-block {
  display: block;
}

.d-flex {
  display: flex;
}

.d-inline {
  display: inline;
}

.d-inline-block {
  display: inline-block;
}

.mt-0 {
  margin-top: 0;
}

.mt-1 {
  margin-top: 10px;
}

.mt-2 {
  margin-top: 20px;
}

.mt-3 {
  margin-top: 30px;
}

.mt-4 {
  margin-top: 40px;
}

.mt-5 {
  margin-top: 50px;
}

.mb-0 {
  margin-bottom: 0;
}

.mb-1 {
  margin-bottom: 10px;
}

.mb-2 {
  margin-bottom: 20px;
}

.mb-3 {
  margin-bottom: 30px;
}

.mb-4 {
  margin-bottom: 40px;
}

.mb-5 {
  margin-bottom: 50px;
}

.p-0 {
  padding: 0;
}

.p-1 {
  padding: 10px;
}

.p-2 {
  padding: 20px;
}

.p-3 {
  padding: 30px;
}

.p-4 {
  padding: 40px;
}

.p-5 {
  padding: 50px;
}

.w-100 {
  width: 100%;
}

.h-100 {
  height: 100%;
}

/* ==================== 内容区域 ==================== */
.content-area {
  padding: 60px 0;
  min-height: 400px;
}

.about-content {
  padding: 40px;
  background-color: var(--bg-white);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 30px;
}

.article-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px;
  background-color: var(--bg-white);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
}

.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4,
.article-content h5,
.article-content h6 {
  color: var(--text-dark);
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: 600;
  line-height: 1.4;
}

.article-content h1 {
  font-size: 32px;
}

.article-content h2 {
  font-size: 28px;
}

.article-content h3 {
  font-size: 24px;
}

.article-content h4 {
  font-size: 20px;
}

.article-content h5 {
  font-size: 18px;
}

.article-content h6 {
  font-size: 16px;
}

.article-content p {
  margin-bottom: 15px;
  line-height: 1.8;
  color: var(--text-dark);
}

.article-content ul,
.article-content ol {
  margin-bottom: 15px;
  padding-left: 25px;
}

.article-content ul {
  list-style-type: disc;
}

.article-content ol {
  list-style-type: decimal;
}

.article-content li {
  margin-bottom: 8px;
  line-height: 1.8;
}

.article-content img {
  max-width: 100%;
  height: auto;
  margin: 20px auto;
  border-radius: 4px;
}

.article-content a {
  color: var(--accent-color);
  text-decoration: underline;
}

.article-content a:hover {
  text-decoration: none;
}

.article-content table {
  width: 100%;
  margin-bottom: 20px;
  border-collapse: collapse;
}

.article-content table th,
.article-content table td {
  padding: 12px 15px;
  border: 1px solid var(--border-color);
  text-align: left;
}

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

.article-content blockquote {
  margin: 20px 0;
  padding: 15px 20px;
  border-left: 4px solid var(--accent-color);
  background-color: var(--bg-light);
  font-style: italic;
}

.article-content pre {
  background-color: #2d2d2d;
  color: #f8f8f2;
  padding: 15px;
  border-radius: 4px;
  overflow-x: auto;
  margin-bottom: 20px;
}

.article-content code {
  background-color: var(--bg-light);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: Consolas, Monaco, monospace;
  font-size: 90%;
}

.article-content pre code {
  background-color: transparent;
  padding: 0;
}

/* ==================== 联系信息区 ==================== */
.contact-info-section {
  padding: 60px 0;
  background-color: var(--bg-light);
}

.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 50px;
}

.contact-item {
  background-color: var(--bg-white);
  padding: 30px;
  border-radius: 8px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--transition-normal),
    box-shadow var(--transition-normal);
}

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

.contact-item h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.contact-item h4::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 24px;
  background-color: var(--accent-color);
  border-radius: 50%;
}

.contact-item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* 验证码组 */
.captcha-group {
  display: flex;
  gap: 15px;
  align-items: center;
}

.captcha-group .form-control {
  flex: 1;
  max-width: 200px;
}

.captcha-group img {
  height: 44px;
  cursor: pointer;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

/* ==================== 搜索页面 ==================== */
.search-form-inline {
  display: flex;
  gap: 15px;
  max-width: 600px;
  margin: 30px auto;
}

.search-form-inline input {
  flex: 1;
  padding: 12px 15px;
  font-size: 14px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  outline: none;
  transition: border-color var(--transition-fast);
}

.search-form-inline input:focus {
  border-color: var(--accent-color);
}

.search-results {
  padding: 40px 0 60px;
}

.search-result-item {
  padding: 25px;
  margin-bottom: 20px;
  background-color: var(--bg-white);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-normal);
}

.search-result-item:hover {
  box-shadow: var(--shadow-md);
}

.search-result-item h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.search-result-item h3 a {
  color: var(--text-dark);
  transition: color var(--transition-fast);
}

.search-result-item h3 a:hover {
  color: var(--accent-color);
}

.search-result-item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 10px;
}

.search-result-item .date {
  font-size: 12px;
  color: #999;
}

.search-empty {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
}

.search-empty h3 {
  font-size: 20px;
  margin-bottom: 15px;
}

.search-empty p {
  font-size: 14px;
}

/* ==================== 产品列表页样式 ==================== */

/* 页面标题区域 */
.page-header-section {
  padding: 40px 0 30px;
  background-color: #f5f5f7;
}

.page-main-title {
  font-size: 32px;
  font-weight: 700;
  color: #1a1a1a;
  margin: 0;
}

/* 区域副标题 */
.section-subtitle {
  font-size: 24px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 24px;
}

/* 新品上市区域 */
.new-arrival-section {
  padding: 30px 0 50px;
  background-color: #f5f5f7;
  scroll-margin-top: 80px;
}

.new-arrival-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.new-arrival-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #2a1f3d 0%, #1a1a2e 50%, #0f0f1a 100%);
}

.new-arrival-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.new-arrival-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}

.new-arrival-content {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(to bottom,
      rgba(0, 0, 0, 0.3) 0%,
      transparent 40%,
      transparent 60%,
      rgba(0, 0, 0, 0.2) 100%);
}

.new-badge {
  display: inline-block;
  font-size: 12px;
  color: #4a9eff;
  font-weight: 500;
  margin-bottom: 4px;
}

.new-arrival-name {
  font-size: 28px;
  font-weight: 700;
  color: #ffffff;
  margin: 0;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.btn-buy-new {
  position: absolute;
  top: 24px;
  right: 24px;
  display: inline-flex;
  padding: 8px 24px;
  background-color: #4a9eff;
  color: #ffffff;
  font-size: 14px;
  font-weight: 500;
  border-radius: 20px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-buy-new:hover {
  background-color: #3a8eef;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(74, 158, 255, 0.4);
}

/* 产品分类区域 */
.product-category-section {
  padding: 0px 0 60px;
  background-color: #f5f5f7;
  scroll-margin-top: 80px;
}

.product-category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

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

.product-category-card {
  background-color: #ffffff;
  border-radius: 16px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.product-category-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.product-category-header {
  margin-bottom: 20px;
}

.product-category-title {
  font-size: 24px;
  font-weight: 700;
  color: #1a1a1a;
  margin: 0;
}

.product-category-img {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  max-width: 300px;
  margin-bottom: 20px;
}

.product-category-img img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.product-category-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.product-category-info {
  flex: 1;
}

.product-category-type {
  font-size: 13px;
  color: #666666;
  margin: 0 0 4px 0;
}

.product-category-slogan {
  font-size: 13px;
  color: #999999;
  margin: 0;
}

.btn-buy-small {
  display: inline-flex;
  padding: 8px 24px;
  background-color: #4a9eff;
  color: #ffffff;
  font-size: 14px;
  font-weight: 500;
  border-radius: 20px;
  text-decoration: none;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.btn-buy-small:hover {
  background-color: #3a8eef;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(74, 158, 255, 0.4);
}

/* 办公类区域额外间距 */
.office-section {
  padding-top: 20px;
}

/* Swiper 轮播样式 */
.swiper-container {
  width: 100%;
  padding-bottom: 0px;
}

.swiper-slide {
  width: auto;
  height: auto;
}

.swiper-pagination {
  bottom: 0;
}

.swiper-pagination-bullet {
  width: 8px;
  height: 8px;
  background: #ccc;
  opacity: 1;
}

.swiper-pagination-bullet-active {
  background: #4a9eff;
}

/* Swiper 左右箭头导航样式 - 默认隐藏，悬停显示 */
.swiper-container[class*="product-swiper-"] .swiper-button-prev,
.swiper-container[class*="product-swiper-"] .swiper-button-next {
  width: 44px;
  height: 44px;
  margin-top: -22px;
  border-radius: 50%;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: scale(0.8);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background-color: #667eea;
  background-size: 16px 26px;
}

/* 白色左箭头 */
.swiper-container[class*="product-swiper-"] .swiper-button-prev {
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20viewBox%3D'0%200%2027%2044'%3E%3Cpath%20d%3D'M0%2C22L22%2C0l2.1%2C2.1L4.2%2C22l19.9%2C19.9L22%2C44L0%2C22L0%2C22L0%2C22z'%20fill%3D'%23ffffff'%2F%3E%3C%2Fsvg%3E");
  left: 10px;
}

/* 白色右箭头 */
.swiper-container[class*="product-swiper-"] .swiper-button-next {
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20viewBox%3D'0%200%2027%2044'%3E%3Cpath%20d%3D'M27%2C22L27%2C22L5%2C44l-2.1-2.1L22.8%2C22L2.9%2C2.1L5%2C0L27%2C22L27%2C22z'%20fill%3D'%23ffffff'%2F%3E%3C%2Fsvg%3E");
  right: 10px;
}

.swiper-container[class*="product-swiper-"]:hover .swiper-button-prev,
.swiper-container[class*="product-swiper-"]:hover .swiper-button-next {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.swiper-container[class*="product-swiper-"] .swiper-button-prev:hover,
.swiper-container[class*="product-swiper-"] .swiper-button-next:hover {
  background-color: #764ba2;
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
  transform: scale(1.1);
}

/* 产品轮播容器定位 */
.swiper-container[class*="product-swiper-"] {
  position: relative;
}

@media (max-width: 768px) {

  .swiper-container[class*="product-swiper-"] .swiper-button-prev,
  .swiper-container[class*="product-swiper-"] .swiper-button-next {
    width: 36px;
    height: 36px;
    margin-top: -18px;
    background-size: 12px 20px;
  }

  .swiper-container[class*="product-swiper-"] .swiper-button-prev {
    left: 5px;
  }

  .swiper-container[class*="product-swiper-"] .swiper-button-next {
    right: 5px;
  }
}

@media (max-width: 480px) {

  .swiper-container[class*="product-swiper-"] .swiper-button-prev,
  .swiper-container[class*="product-swiper-"] .swiper-button-next,
  .swiper-button-prev,
  .swiper-button-next {
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    margin-top: -22px;
    background-size: 16px 26px;
  }
}

/* 一级分类标题（H2）- 大标题样式 */
.category-level1-title {
  font-size: 28px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 0px;
}

.category-level1-section {
  background-color: #f5f5f7;
  scroll-margin-top: 80px;
}

/* 二级分类标题（H3）- 小标题样式 */
.category-level2-title {
  font-size: 1.25rem;
  font-weight: 500;
  color: #1a1a1a;
  margin-top: 20px;
  margin-bottom: 20px;
}

/* ==================== 产品列表页响应式 ==================== */
@media (max-width: 1024px) {
  .new-arrival-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .new-arrival-card:last-child {
    grid-column: span 2;
  }

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

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

@media (max-width: 768px) {
  .page-main-title {
    font-size: 24px;
  }

  .section-subtitle {
    font-size: 20px;
  }

  .category-level1-title {
    font-size: 24px;
  }

  .category-level2-title {
    font-size: 18px;
    margin-bottom: 16px;
  }

  .new-arrival-grid {
    grid-template-columns: 1fr;
  }

  .new-arrival-card:last-child {
    grid-column: span 1;
  }

  .new-arrival-card {
    aspect-ratio: 16/10;
  }

  .new-arrival-name {
    font-size: 22px;
  }

  .product-category-grid,
  .product-category-grid.office-grid {
    grid-template-columns: 1fr;
  }

  .product-category-card {
    padding: 20px;
  }

  .product-category-title {
    font-size: 20px;
  }
}

/* ==================== 关于我们页面 - 线下门店 ==================== */
.store-section {
  padding: 60px 0;
  background-color: #f5f5f7;
}

.section-title-center {
  text-align: center;
  font-size: 48px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 40px;
}

.store-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background-color: #e8eaf0;
  border-radius: 8px;
  overflow: hidden;
}

.store-image {
  height: 100%;
  min-height: 400px;
}

.store-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.store-info {
  padding: 50px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.store-name {
  font-size: 24px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 24px;
}

.store-details {
  margin-bottom: 30px;
}

.store-details p {
  font-size: 14px;
  color: #666666;
  margin-bottom: 8px;
  line-height: 1.6;
}

.store-details p span {
  color: #333333;
}

.store-hotline {
  margin-bottom: 20px;
}

.hotline-label {
  font-size: 16px;
  color: #333333;
  margin-bottom: 8px;
}

.hotline-number {
  font-size: 32px;
  font-weight: 700;
  color: #1a1a1a;
  margin: 0;
}

.store-desc {
  font-size: 13px;
  color: #999999;
  line-height: 1.8;
  margin: 0;
}

/* ==================== 关于我们页面 - 商务合作 ==================== */
.cooperation-section {
  padding: 60px 0;
  background-color: #f5f5f7;
}

.cooperation-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  max-width: 1000px;
  margin: 0 auto;
}

.cooperation-item {
  text-align: center;
  padding: 30px 20px;
}

.cooperation-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  color: #666666;
}

.cooperation-icon svg {
  width: 100%;
  height: 100%;
}

.cooperation-number {
  font-size: 18px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 8px;
}

.cooperation-label {
  font-size: 13px;
  color: #999999;
  margin: 0;
}

/* ==================== 关于我们页面响应式 ==================== */
@media (max-width: 1024px) {
  .store-content {
    grid-template-columns: 1fr;
  }

  .store-image {
    min-height: 300px;
  }

  .store-info {
    padding: 40px;
  }

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

@media (max-width: 768px) {
  .section-title-center {
    font-size: 24px;
    margin-bottom: 30px;
  }

  .store-section,
  .cooperation-section {
    padding: 40px 0;
  }

  .store-info {
    padding: 30px;
  }

  .store-name {
    font-size: 20px;
  }

  .hotline-number {
    font-size: 24px;
  }

  .cooperation-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .cooperation-item {
    padding: 20px;
  }
}

/* ==================== 响应式补充 ==================== */
@media (max-width: 768px) {
  .contact-info-grid {
    grid-template-columns: 1fr;
  }

  .article-content {
    padding: 20px;
  }

  .search-form-inline {
    flex-direction: column;
  }

  .captcha-group {
    flex-direction: column;
    align-items: flex-start;
  }

  .captcha-group .form-control {
    max-width: none;
    width: 100%;
  }
}

/* ==================== 产品说明书页面样式 ==================== */
.manual-section {
  padding: 60px 0 80px;
  min-height: 600px;
}

/* 网页驱动入口链接 */
.web-driver-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
  align-items: start;
}

.web-driver-item {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.web-driver-entry {
  display: flex;
  align-items: center;
  gap: 20px;
  width: 100%;
  padding: 22px 32px;
  margin-bottom: 0;
  background: linear-gradient(135deg, rgba(0, 102, 255, 1) 0%, rgba(64, 142, 255, 1) 100%);
  border-radius: 16px;
  color: #ffffff;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(0, 102, 255, 0.18);
  transition: all 0.3s ease;
}

.web-driver-entry:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 102, 255, 0.28);
  color: #ffffff;
}

.web-driver-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 50%;
}

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

.web-driver-text {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}

.web-driver-title {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0;
}

.web-driver-desc {
  margin: 0;
  padding: 0 6px;
  font-size: 14px;
  line-height: 1.6;
  color: #5a6b7e;
  word-break: break-word;
  white-space: pre-line;
}

.web-driver-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  transition: transform 0.3s ease, background 0.3s ease;
}

.web-driver-entry:hover .web-driver-arrow {
  background: rgba(255, 255, 255, 0.28);
  transform: translateX(4px);
}

.web-driver-arrow svg {
  width: 18px;
  height: 18px;
}

@media (max-width: 768px) {
  .web-driver-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .web-driver-entry {
    padding: 16px 18px;
    gap: 14px;
    margin-bottom: 0;
    border-radius: 12px;
  }

  .web-driver-icon {
    width: 40px;
    height: 40px;
  }

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

  .web-driver-title {
    font-size: 17px;
  }

  .web-driver-desc {
    font-size: 12px;
  }

  .web-driver-arrow {
    width: 30px;
    height: 30px;
  }
}

@media (max-width: 480px) {
  .web-driver-grid {
    grid-template-columns: repeat(1, 1fr);
  }
}

.manual-header {
  text-align: center;
  margin-bottom: 50px;
}

.manual-title {
  font-size: 48px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 30px;
}

/* 筛选按钮 */
.manual-filter {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 30px;
  font-size: 16px;
  font-weight: 500;
  color: #666666;
  background-color: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 32px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.filter-btn svg {
  width: 20px;
  height: 20px;
}

.filter-btn:hover {
  border-color: rgba(0, 102, 255, 1);
  color: rgba(0, 102, 255, 1);
}

.filter-btn.active {
  background-color: rgba(0, 102, 255, 1);
  border-color: rgba(0, 102, 255, 1);
  color: #ffffff;
}

/* 产品网格 - 4列布局 */
.manual-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 50px;
}

.manual-grid.hidden {
  display: none;
}

/* 产品项 */
.manual-item {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 20px;
  background-color: #f2f3f7;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: all 0.3s ease;
}

.manual-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.manual-item-img {
  width: 77px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f8f9fa;
  border-radius: 8px;
  overflow: hidden;
}

.manual-item-img img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.manual-item-name {
  flex: 1;
  font-size: 15px;
  font-weight: 500;
  color: #1a1a1a;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.manual-item-btn {
  padding: 8px 6px;
  font-size: 14px;
  font-weight: 500;
  color: #666666;
  background-color: transparent;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.manual-item-btn:hover {
  background-color: #1ab2ff;
  border-color: #1ab2ff;
  color: #ffffff;
}

/* 服务支持内容样式 */
.service-content {
  background: #f2f3f7;
  padding: 20px;
  margin-bottom: 40px;
}

.service-policy {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  color: #333;
  line-height: 1.8;
}

.service-policy h2 {
  font-size: 28px;
  font-weight: bold;
  color: #1a1a1a;
  margin-bottom: 0px;
  padding-bottom: 0px;
}

.service-policy h3 {
  font-size: 18px;
  font-weight: bold;
  color: #333;
  margin: 25px 0 15px 0;
}

.service-policy ul {
  margin: 15px 0;
  padding-left: 20px;
}

.service-policy li {
  margin-bottom: 8px;
}

.service-policy .highlight {
  color: #1890ff;
  font-weight: bold;
}

.service-policy .notice {
  color: #666;
  font-size: 14px;
  margin-top: 15px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-top: 30px;
}

.service-card {
  background: #fff;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  border: 1px solid #f0f0f0;
}

.service-card h4 {
  font-size: 20px;
  font-weight: bold;
  color: #1a1a1a;
  text-align: center;
  margin-bottom: 20px;
}

.service-card p {
  font-size: 14px;
  color: #666;
  line-height: 1.8;
}

.service-card ul {
  font-size: 14px;
  color: #666;
}

.service-card .sub-title {
  font-weight: bold;
  color: #333;
  margin: 15px 0 10px 0;
}

/* 产品说明书页面响应式 */
@media (max-width: 1200px) {
  .manual-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1024px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 992px) {
  .manual-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .manual-title {
    font-size: 32px;
  }
}

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

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

@media (max-width: 576px) {
  .manual-section {
    padding: 40px 0 60px;
  }

  .manual-title {
    font-size: 28px;
    margin-bottom: 24px;
  }

  .manual-filter {
    gap: 12px;
  }

  .filter-btn {
    padding: 10px 20px;
    font-size: 14px;
  }

  .filter-btn svg {
    width: 18px;
    height: 18px;
  }

  .manual-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .manual-item {
    padding: 15px;
    background-color: #f2f3f7;
  }

  .manual-item-img {
    width: 77px;
    height: 44px;
  }

  .manual-item-name {
    font-size: 14px;
  }

  .manual-item-btn {
    padding: 6px 16px;
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .manual-grid {
    grid-template-columns: 1fr;
  }
}

/* ==================== 关于我们页面 - 全新设计 ==================== */

/* Hero Banner 区域 */
.about-hero {
  width: 100%;
  overflow: hidden;
}

.about-hero-bg {}

.about-hero-bg img {
  width: 100%;
  /* height: 100%; */
}

.about-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to right,
      rgba(26, 26, 46, 0.9) 0%,
      rgba(26, 26, 46, 0.6) 50%,
      rgba(26, 26, 46, 0.3) 100%);
}

.about-hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: center;
}

.about-hero-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* 左侧导航按钮 - 浮动固定 */
.about-side-nav {
  position: fixed;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about-side-btn {
  display: block;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 500;
  color: #ffffff;
  background-color: transparent;
  border: none;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
  min-width: 100px;
}

.about-side-btn:hover {
  background-color: rgba(26, 178, 255, 0.8);
}

.about-side-btn.active {
  background-color: #1ab2ff;
  box-shadow: 0 4px 12px rgba(26, 178, 255, 0.4);
}

/* 右侧大标题 */
.about-hero-text {
  text-align: right;
  color: #ffffff;
}

.about-hero-title {
  font-size: 48px;
  font-weight: 700;
  letter-spacing: 8px;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.about-hero-subtitle {
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.8);
}

/* 内容区域 */
.about-content-section {
  position: relative;
  padding: 100px 0 100px;
  background-color: #f5f5f7;
  background-image: url("../images/about-bg.jpg");
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}

.about-content-section .container {
  position: relative;
  z-index: 2;
}

.about-content-wrapper {
  max-width: 900px;
  margin: 0 auto;
}

.about-tab-panel {
  animation: fadeInUp 0.4s ease;
}

.about-tab-panel.active {
  display: block;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.about-section-title {
  font-size: 32px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 30px;
  padding-bottom: 16px;
  border-bottom: 2px solid #1ab2ff;
}

.about-text-content {
  line-height: 1.8;
  color: #333333;
}

.about-text-content p {
  margin-bottom: 20px;
  font-size: 15px;
  text-align: justify;
}

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

/* 品牌口号高亮 */
.slogan-highlight {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  padding: 40px;
  border-radius: 12px;
  text-align: center;
  margin-bottom: 30px;
}

.slogan-main-text {
  font-size: 36px !important;
  font-weight: 700 !important;
  color: #ffffff !important;
  letter-spacing: 6px;
  margin-bottom: 12px !important;
  text-align: center !important;
}

.slogan-sub-text {
  font-size: 16px !important;
  color: rgba(255, 255, 255, 0.7) !important;
  letter-spacing: 2px;
  margin-bottom: 0 !important;
  text-align: center !important;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .about-hero {
    height: 400px;
  }

  .about-hero-title {
    font-size: 36px;
    letter-spacing: 6px;
  }

  .about-hero-subtitle {
    font-size: 16px;
  }

  .about-section-title {
    font-size: 28px;
  }

  .slogan-highlight {
    padding: 30px;
  }

  .slogan-main-text {
    font-size: 28px !important;
  }
}

@media (max-width: 768px) {
  .about-hero {
    height: 350px;
  }

  .about-hero-inner {
    flex-direction: column;
    justify-content: center;
    gap: 30px;
  }

  .about-side-nav {
    position: fixed;
    left: 10px;
    top: auto;
    bottom: 20px;
    transform: none;
    flex-direction: row;
    gap: 10px;
  }

  .about-side-btn {
    padding: 8px 16px;
    font-size: 12px;
    min-width: auto;
  }

  .about-side-btn:hover {
    transform: scale(1.02);
  }

  .about-hero-text {
    text-align: center;
  }

  .about-hero-title {
    font-size: 28px;
    letter-spacing: 4px;
  }

  .about-hero-subtitle {
    font-size: 14px;
  }

  .about-content-section {
    padding: 40px 0 60px;
  }

  .about-section-title {
    font-size: 24px;
    margin-bottom: 24px;
  }

  .about-text-content p {
    font-size: 14px;
  }

  .slogan-highlight {
    padding: 24px;
  }

  .slogan-main-text {
    font-size: 22px !important;
    letter-spacing: 3px;
  }

  .slogan-sub-text {
    font-size: 13px !important;
  }
}

@media (max-width: 480px) {
  .about-hero {
    height: 300px;
  }

  .about-side-nav {
    gap: 10px;
  }

  .about-side-btn {
    padding: 8px 16px;
    font-size: 12px;
    min-width: auto;
  }

  .about-hero-title {
    font-size: 22px;
    letter-spacing: 2px;
  }

  .about-hero-subtitle {
    font-size: 12px;
  }

  .about-section-title {
    font-size: 20px;
  }

  .slogan-highlight {
    padding: 20px;
  }

  .slogan-main-text {
    font-size: 18px !important;
  }

  .slogan-sub-text {
    font-size: 11px !important;
  }
}

/* ==================== 官方旗舰店页面 ==================== */
.mall-section {
  padding: 80px 0 100px;
  background-color: #ffffff;
}

.mall-title {
  text-align: center;
  font-size: 42px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 60px;
}

.mall-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.mall-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 20px;
  background-color: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  text-decoration: none;
  transition: all 0.3s ease;
  overflow: hidden;
}

.mall-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

/* 卡片内容 */
.mall-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: opacity 0.3s ease;
}

/* 二维码背景层 */
.mall-qrcode-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: var(--qrcode-img);
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  background-color: #ffffff;
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: 12px;
}

/* 二维码文字 */
.mall-qrcode-text {
  position: absolute;
  bottom: 15px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 14px;
  color: #333333;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 2;
}

/* 悬停效果 - 隐藏内容，显示二维码背景 */
.mall-card:hover .mall-content {
  opacity: 0;
}

.mall-card:hover .mall-qrcode-bg {
  opacity: 1;
}

.mall-card:hover .mall-qrcode-text {
  opacity: 1;
}

/* 进入图标 */
.mall-enter {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.95);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 10;
  text-decoration: none;
}

.mall-enter-arrow {
  width: 48px;
  height: 48px;
  color: #0066ff;
  margin-bottom: 8px;
}

.mall-enter-text {
  font-size: 14px;
  color: #333333;
}

.mall-card:hover .mall-enter {
  opacity: 1;
  visibility: visible;
}

/* 二维码悬停效果 */
.mall-qrcode {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: #ffffff;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 10;
  padding: 20px;
}

.mall-qrcode img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  margin-bottom: 12px;
}

.mall-qrcode-link {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: #333333;
  text-decoration: none;
}

.mall-qrcode-link svg {
  width: 16px;
  height: 16px;
  color: #0066ff;
}

.mall-card:hover .mall-qrcode {
  opacity: 1;
  visibility: visible;
}

.mall-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1a1a1a 0%, #333333 100%);
  overflow: hidden;
}

.mall-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.mall-icon-svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* 抖音 - 黑色背景 */
.mall-card:nth-child(1) .mall-icon {
  background: linear-gradient(135deg, #1a1a1a 0%, #000000 100%);
}

/* 京东 - 红色背景 */
.mall-card:nth-child(2) .mall-icon {
  background: linear-gradient(135deg, #e4393c 0%, #c62828 100%);
}

/* 天猫 - 红色背景 */
.mall-card:nth-child(3) .mall-icon {
  background: linear-gradient(135deg, #ff0036 0%, #d9002f 100%);
}

/* 拼多多 - 红色背景 */
.mall-card:nth-child(4) .mall-icon {
  background: linear-gradient(135deg, #e02e24 0%, #c41e14 100%);
}

/* 小程序 - 绿色背景 */
.mall-card:nth-child(5) .mall-icon {
  background: linear-gradient(135deg, #07c160 0%, #059e4c 100%);
}

.mall-name {
  font-size: 14px;
  color: #333333;
  text-align: center;
  line-height: 1.5;
}

/* 官方旗舰店响应式 */
@media (max-width: 1024px) {
  .mall-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
  }
}

@media (max-width: 768px) {
  .mall-section {
    padding: 60px 0 80px;
  }

  .mall-title {
    font-size: 32px;
    margin-bottom: 40px;
  }

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

  .mall-card {
    padding: 30px 15px;
  }

  .mall-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 15px;
  }

  .mall-name {
    font-size: 13px;
  }

  /* 移动端进入图标样式 - 点击切换 */
  .mall-card.qrcode-active .mall-enter {
    opacity: 1;
    visibility: visible;
  }

  .mall-card:hover .mall-enter {
    opacity: 0;
    visibility: hidden;
  }

  .mall-enter-arrow {
    width: 40px;
    height: 40px;
  }

  .mall-enter-text {
    font-size: 12px;
  }

  .mall-qrcode img {
    width: 100px;
    height: 100px;
  }

  .mall-qrcode-link {
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .mall-title {
    font-size: 28px;
    margin-bottom: 30px;
  }

  .mall-grid {
    grid-template-columns: 1fr;
    max-width: 280px;
  }

  .mall-card {
    padding: 25px 20px;
  }
}

/* ==================== 产品详情页 ==================== */

/* 第一部分：产品 Hero Banner - 迈从风格 */
.product-hero {
  position: relative;
  width: 100%;
  min-height: 700px;
  max-height: 900px;
  overflow: hidden;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  background: linear-gradient(180deg,
      #0a1628 0%,
      #1a2a4a 40%,
      #2a3a5a 70%,
      #3a4a6a 100%);
  padding-top: 40px;
}

.product-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.product-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.product-hero-overlay {
  /*position: absolute;*/
  /*top: 0;*/
  /*left: 0;*/
  /*right: 0;*/
  /*bottom: 0;*/
  /*background: linear-gradient(to bottom,*/
  /*    rgba(10, 22, 40, 0.8) 0%,*/
  /*    rgba(10, 22, 40, 0.4) 50%,*/
  /*    rgba(10, 22, 40, 0.6) 100%);*/
  /*z-index: 2;*/
}

.product-hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: #ffffff;
  padding: 0 20px;
  width: 100%;
  max-width: 1400px;
}

.product-hero-title {
  font-size: 48px;
  font-weight: 300;
  margin-bottom: 8px;
  color: #ffffff;
  letter-spacing: 2px;
}

.product-hero-subtitle {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 12px;
  color: #ffffff;
}

.product-hero-category {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 24px;
}

.product-hero-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 460px;
}

.product-hero-actions .btn-buy {
  padding: 16px 32px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.3s ease;
  background: #2d6ae7 !important;
  color: #ffffff;
  border: none;
}

.product-hero-actions .btn-buy:hover {
  background-color: #1a6ad4;
  transform: translateY(-2px);
}

/* 产品展示轮播区域 */
.product-showcase {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 第二部分：产品图片展示 - Swiper横向滚动 */
.product-gallery {
  padding: 20px 0;
  background-color: #f5f7fa;
  overflow: hidden;
}

.product-gallery-swiper {
  width: 100%;
}

.product-gallery-swiper .swiper-wrapper {
  align-items: center;
}

.product-gallery-swiper .swiper-slide {
  width: 497px;
  flex-shrink: 0;
}

.product-gallery-item {
  width: 497px;
  height: 497px;
  background-color: #ffffff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Swiper 导航箭头 */
.product-gallery-swiper .swiper-button-prev,
.product-gallery-swiper .swiper-button-next {
  width: 44px;
  height: 44px;
  background-color: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  color: #333;
  background-size: 30% !important;
}

.product-gallery-swiper .swiper-button-prev:after,
.product-gallery-swiper .swiper-button-next:after {
  font-size: 18px;
  font-weight: bold;
}

.product-gallery-swiper .swiper-button-prev {
  left: 10px;
}

.product-gallery-swiper .swiper-button-next {
  right: 10px;
}

/* 第二部分：产品特性展示 - 横向4列布局 */
.product-features {
  padding: 40px 20px;
  background: #f0f4f8;
}

.features-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 1400px;
  margin: 0 auto;
}

.feature-card {
  position: relative;
  background: linear-gradient(135deg, #e8f0f8 0%, #f5f8fc 100%);
  border-radius: 12px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

/* 特性卡片文字 */
.feature-text {
  z-index: 1;
  margin-bottom: 16px;
}

.feature-text h3 {
  font-size: 20px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 6px;
}

.feature-text p {
  font-size: 14px;
  color: #666666;
  line-height: 1.5;
}

/* 特性卡片图片 */
.feature-img {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-img img {
  max-width: 100%;
  max-height: 180px;
  object-fit: contain;
}

/* 产品详情内容区域 */
.product-detail-content {
  background-color: #ffffff;
  max-width: 1000px;
  margin: 0 auto;
  padding:  20px 0;
}

.product-detail-content .container {}

/* 响应式适配 */
@media (max-width: 1200px) {
  .features-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .product-hero {
    min-height: 600px;
    padding-top: 100px;
  }

  .product-hero-title {
    font-size: 36px;
  }

  .product-hero-subtitle {
    font-size: 24px;
  }

  .product-gallery {
    padding: 20px 0;
  }

  .product-gallery-swiper {
    padding: 0 40px;
  }

  .product-gallery-swiper .swiper-slide {
    width: 280px;
  }

  .product-gallery-item {
    width: 280px;
    height: 280px;
  }

  .product-gallery-swiper .swiper-button-prev,
  .product-gallery-swiper .swiper-button-next {
    width: 36px;
    height: 36px;
  }

  .product-gallery-swiper .swiper-button-prev {
    left: 5px;
  }

  .product-gallery-swiper .swiper-button-next {
    right: 5px;
  }

  .features-container {
    grid-template-columns: 1fr;
  }

  .feature-card {
    padding: 20px;
  }
}

/* ==================== 键鼠测试工具页面 ==================== */
.test-tools-section {
  padding: 120px 0 80px;
  min-height: 600px;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.test-tools-title {
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 12px;
  color: #1a1a1a;
}

.test-tools-desc {
  font-size: 16px;
  text-align: center;
  color: #666666;
  margin-bottom: 50px;
}

.test-tools-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  max-width: 800px;
  margin: 0 auto;
}

.test-tool-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 50px 30px;
  background-color: #ffffff;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  text-decoration: none;
  transition: all 0.3s ease;
}

.test-tool-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.test-tool-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #0066ff 0%, #0052cc 100%);
  border-radius: 20px;
  color: #ffffff;
}

.test-tool-icon svg {
  width: 40px;
  height: 40px;
}

.test-tool-card h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 10px;
  color: #1a1a1a;
}

.test-tool-card p {
  font-size: 14px;
  color: #666666;
  margin-bottom: 24px;
  text-align: center;
}

.test-tool-btn {
  display: inline-block;
  padding: 12px 40px;
  background: linear-gradient(135deg, #0066ff 0%, #0052cc 100%);
  color: #ffffff;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.test-tool-card:hover .test-tool-btn {
  background: linear-gradient(135deg, #0052cc 0%, #004499 100%);
  box-shadow: 0 4px 15px rgba(0, 102, 255, 0.4);
}

@media (max-width: 768px) {
  .test-tools-section {
    padding: 100px 20px 60px;
  }

  .test-tools-title {
    font-size: 28px;
  }

  .test-tools-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .test-tool-card {
    padding: 40px 25px;
  }

  .test-tool-icon {
    width: 70px;
    height: 70px;
  }

  .test-tool-icon svg {
    width: 35px;
    height: 35px;
  }

  .test-tool-card h3 {
    font-size: 20px;
  }
}

/* 第四部分：详细内容 */
.product-detail-content {
  background-color: #ffffff;
}

.product-detail-content img {
  width: 100% !important;
}

/* 产品详情页响应式 */
@media (max-width: 1024px) {
  .product-hero-title {
    font-size: 42px;
  }

  .product-hero-subtitle {
    font-size: 22px;
  }
}

@media (max-width: 768px) {
  .product-hero {
    min-height: 500px;
    max-height: 700px;
    padding-top: 100px;
  }

  .product-hero-title {
    font-size: 32px;
  }

  .product-hero-subtitle {
    font-size: 18px;
    margin-bottom: 30px;
  }

  .product-hero-actions {
    flex-direction: column;
    gap: 12px;
    margin-bottom: 40px;
  }

  .product-hero-actions .btn-buy {
    width: 200px;
    padding: 14px 30px;
    background: #2d6ae7 !important;
  }

  .product-features {
    padding: 20px;
  }

  .features-container {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .feature-card {
    padding: 20px;
  }

  .feature-text h3 {
    font-size: 18px;
  }

  .feature-text p {
    font-size: 13px;
  }

  .feature-img img {
    max-height: 140px;
  }

  .product-detail-content {}
}

/* 移动端隐藏工具类 */
@media (max-width: 768px) {
  .hidden-mobile {
    display: none !important;
  }
}