/* 重置默认样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
}

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

/* 容器 */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

/* 行 */
.row {
  display: flex;
  flex-wrap: wrap;
}

/* 列 - 基础样式 */
[class*='col-'] {
  width: 100%;
}

/* 超小屏幕 (手机, <576px) - 默认1列 */
.col-xs-1 {
  width: 8.33%;
}
.col-xs-2 {
  width: 16.66%;
}
.col-xs-3 {
  width: 25%;
}
.col-xs-4 {
  width: 33.33%;
}
.col-xs-5 {
  width: 41.66%;
}
.col-xs-6 {
  width: 50%;
}
.col-xs-7 {
  width: 58.33%;
}
.col-xs-8 {
  width: 66.66%;
}
.col-xs-9 {
  width: 75%;
}
.col-xs-10 {
  width: 83.33%;
}
.col-xs-11 {
  width: 91.66%;
}
.col-xs-12 {
  width: 100%;
}

/* 小屏幕 (平板, ≥576px) */
@media (min-width: 576px) {
  .col-sm-1 {
    width: 8.33%;
  }
  .col-sm-2 {
    width: 16.66%;
  }
  .col-sm-3 {
    width: 25%;
  }
  .col-sm-4 {
    width: 33.33%;
  }
  .col-sm-5 {
    width: 41.66%;
  }
  .col-sm-6 {
    width: 50%;
  }
  .col-sm-7 {
    width: 58.33%;
  }
  .col-sm-8 {
    width: 66.66%;
  }
  .col-sm-9 {
    width: 75%;
  }
  .col-sm-10 {
    width: 83.33%;
  }
  .col-sm-11 {
    width: 91.66%;
  }
  .col-sm-12 {
    width: 100%;
  }
}

/* 中等屏幕 (桌面, ≥768px) */
@media (min-width: 768px) {
  .col-md-1 {
    width: 8.33%;
  }
  .col-md-2 {
    width: 16.66%;
  }
  .col-md-3 {
    width: 25%;
  }
  .col-md-4 {
    width: 33.33%;
  }
  .col-md-5 {
    width: 41.66%;
  }
  .col-md-6 {
    width: 50%;
  }
  .col-md-7 {
    width: 58.33%;
  }
  .col-md-8 {
    width: 66.66%;
  }
  .col-md-9 {
    width: 75%;
  }
  .col-md-10 {
    width: 83.33%;
  }
  .col-md-11 {
    width: 91.66%;
  }
  .col-md-12 {
    width: 100%;
  }
}

/* 大屏幕 (大桌面, ≥992px) */
@media (min-width: 992px) {
  .col-lg-1 {
    width: 8.33%;
  }
  .col-lg-2 {
    width: 16.66%;
  }
  .col-lg-3 {
    width: 25%;
  }
  .col-lg-4 {
    width: 33.33%;
  }
  .col-lg-5 {
    width: 41.66%;
  }
  .col-lg-6 {
    width: 50%;
  }
  .col-lg-7 {
    width: 58.33%;
  }
  .col-lg-8 {
    width: 66.66%;
  }
  .col-lg-9 {
    width: 75%;
  }
  .col-lg-10 {
    width: 83.33%;
  }
  .col-lg-11 {
    width: 91.66%;
  }
  .col-lg-12 {
    width: 100%;
  }
}

/* 超大屏幕 (超大桌面, ≥1200px) */
@media (min-width: 1200px) {
  .col-xl-1 {
    width: 8.33%;
  }
  .col-xl-2 {
    width: 16.66%;
  }
  .col-xl-3 {
    width: 25%;
  }
  .col-xl-4 {
    width: 33.33%;
  }
  .col-xl-5 {
    width: 41.66%;
  }
  .col-xl-6 {
    width: 50%;
  }
  .col-xl-7 {
    width: 58.33%;
  }
  .col-xl-8 {
    width: 66.66%;
  }
  .col-xl-9 {
    width: 75%;
  }
  .col-xl-10 {
    width: 83.33%;
  }
  .col-xl-11 {
    width: 91.66%;
  }
  .col-xl-12 {
    width: 100%;
  }
}

.flex-row {
  display: flex;
  flex-direction: row;
}

.col-gap-15 {
  column-gap: 15px;
}
.px-15 {
  padding-left: 15px;
  padding-right: 15px;
}

.mt-15 {
  margin-top: 15px;
}
.mb-15 {
  margin-bottom: 15px;
}

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

.w-100 {
  width: 100%;
}

/* 头部样式 */
.hum {
  overflow: hidden;
}
.hum a {
  float: right;
  font-size: 24px;
  width: 40px;
  line-height: 40px;
  text-align: center;
  color: #7eccd4;
}

.header {
  background-color: #fff;
  padding: 15px 0;
}

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

/* Logo样式 */
.logo img {
  max-height: 100px;
  width: auto;
}

/* 联系信息样式 */
.header .contact-info {
  text-align: right;
}

.header .contact-info .phone,
.header .contact-info .email {
  display: flex;
  align-items: center;
  margin: 5px 0;
}

.header .contact-info .icon {
  width: 20px;
  height: 20px;
  margin-right: 8px;
}

.header .contact-info span {
  color: #333;
  font-size: 14px;
}

/* 导航栏样式 */
.nav-bar {
  background-color: #7eccd4;
  padding: 0;
}

.hum {
  display: none;
}

.nav-bar .hum a {
  color: #fff;
}

.nav-menu {
  list-style: none;
  display: flex;
  justify-content: space-between;
  margin: 0;
  padding: 0;
}

.nav-menu li {
  flex: 1;
  text-align: center;
  position: relative;
}

.nav-menu a {
  display: block;
  color: #fff;
  text-decoration: none;
  padding: 15px 10px;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.nav-menu li:hover,
.nav-menu li.active {
  background-color: #4ba39c;
}

.nav-menu dl {
  display: none;
  position: absolute;
  left: 0;
  width: 100%;
  background-color: #4ba39c;
  z-index: 3;
}

.nav-menu dl dd a:hover {
  background-color: #7eccd4;
}

.nav-menu li i {
  display: none;
}

.nav-menu li .icon-expand {
  position: absolute;
  right: 0;
  top: 0;
  width: 10%;
  text-align: center;
  padding: 15px;
  color: #fff;
  font-style: normal;
  font-weight: 700;
}

.nav-menu li .icon-expand::before {
  content: '✚';
}

@media screen and (max-width: 768px) {
  .nav-bar {
    position: fixed;
    left: 100%;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    z-index: 9;
    transition: left 0.1s linear;
  }

  .nav-bar.show {
    left: 0;
  }

  .hum {
    display: block;
  }

  .nav-menu {
    display: block;
  }
  .nav-menu li {
    width: 100%;
  }
  .nav-menu li i {
    display: block;
  }

  .nav-menu li a {
    width: 90%;
  }

  .nav-menu dl {
    position: static;
  }
}

/* 底部区域样式 */
.footer {
  background-color: #f5f5f5;
  margin-top: 60px;
  padding-top: 40px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 40px;
}

/* 左侧区域样式 */
.footer-left {
  flex: 0 0 300px;
}

.contact-card {
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 20px;
}

.contact-logo {
  width: 180px;
  margin: 0 auto 15px;
}

.contact-logo img {
  width: 100%;
  height: auto;
  mix-blend-mode: darken;
}

.contact-info p {
  color: #666;
  font-size: 14px;
  margin: 8px 0;
  text-align: center;
}

/* 社交媒体图标 */
.social-media {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 20px;
}

.social-media img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  transition: transform 0.3s ease;
}

.social-media a:hover img {
  transform: scale(1.1);
}

/* 二维码样式 */
.qr-codes {
  padding: 20px;
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.qr-codes .qr-item {
  text-align: center;
  flex: 1;
}

.qr-codes .qr-item img {
  width: 120px;
  height: 120px;
  margin-bottom: 10px;
}

.qr-codes .qr-item p {
  font-size: 12px;
  color: #666;
}

/* 右侧导航列表样式 */
.footer-nav {
  flex: 1;
  display: flex;
  justify-content: space-between;
  gap: 30px;
}

.nav-column h3 {
  color: #333;
  font-size: 16px;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.nav-column h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: #5abfb7;
}

.nav-column ul {
  list-style: none;
  padding: 0;
}

.nav-column ul li {
  margin-bottom: 12px;
}

.nav-column ul li a {
  color: #666;
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s ease;
}

.nav-column ul li a:hover {
  color: #5abfb7;
}

/* 响应式布局 */
@media screen and (max-width: 1024px) {
  .footer-content {
    flex-direction: column;
  }

  .footer-left {
    flex: none;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
  }

  .footer-nav {
    padding: 0 50px;
    flex-wrap: wrap;
    gap: 20px;
  }

  .nav-column {
    flex: 0 0 calc(33.333% - 20px);
  }
}

@media screen and (max-width: 768px) {
  .nav-column {
    flex: 0 0 calc(50% - 10px);
  }

  .qr-codes {
    flex-direction: column;
    align-items: center;
  }

  .qr-item {
    width: 100%;
    max-width: 200px;
  }
}

@media screen and (max-width: 480px) {
  .nav-column {
    flex: 0 0 100%;
  }

  .social-media img {
    width: 32px;
    height: 32px;
  }
}

/* 版权信息样式 */
.copyright {
  background-color: #5abfb7;
  padding: 15px 0;
  margin-top: 60px;
}

.copyright p {
  color: #fff;
  text-align: center;
  font-size: 14px;
  margin: 0;
}

@media screen and (max-width: 480px) {
  .copyright p {
    font-size: 12px;
  }
}

/* 右侧服务导航样式 */
.service-nav {
  border: 1px solid #7eccd4;
  height: max-content;
}

.nav-title {
  font-size: 20px;
  color: #fff;
  background-color: #7eccd4;
  line-height: 40px;
  height: 40px;
  text-align: center;
}

.service-list {
  list-style: none;
  padding: 0 15px;
  margin: 0 0 30px;
}

.service-list li {
  display: flex;
  align-items: flex-start;
  padding: 15px 0;
  border-bottom: 1px dashed #eee;
}

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

.bullet {
  color: #7eccd4;
  margin-right: 10px;
  font-size: 12px;
  line-height: 24px;
}

.service-item {
  flex: 1;
}

.service-item h3 {
  color: #333;
  font-size: 16px;
  margin-bottom: 5px;
}

.service-item p {
  color: #666;
  font-size: 12px;
  margin: 0;
}

.contact-message {
  text-align: center;
  padding: 20px;
  background: #f8f8f8;
  border-radius: 8px;
}

.contact-message h3 {
  color: #333;
  font-size: 18px;
  margin-bottom: 15px;
  line-height: 1.4;
}

.message-icon {
  width: 120px;
  height: 120px;
  margin: 0 auto;
}

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

/* 响应式布局 */

@media screen and (max-width: 768px) {
  .nav-title {
    font-size: 18px;
  }

  .service-item h3 {
    font-size: 14px;
  }

  .service-item p {
    font-size: 11px;
  }

  .contact-message h3 {
    font-size: 16px;
  }

  .message-icon {
    width: 100px;
    height: 100px;
  }
}

/* 分页按钮样式 */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 40px;
}

.page-btn {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 4px;
  background: #fff;
  color: #333;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.page-btn.active {
  background: #7eccd4;
  color: #fff;
}

.page-btn:hover:not(.active) {
  background: #f0f0f0;
}

.page-btn.next {
  width: auto;
  padding: 0 20px;
}

@media screen and (max-width: 768px) {
  .page-btn {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }

  .page-btn.next {
    padding: 0 15px;
  }
}