li,
img,
input,
em,
select {
  list-style: none;
  border: none;
  font-style: normal;
}

a {
  text-decoration: none !important;
  cursor: pointer !important;
}

select::-ms-expand {
  display: none;
}

.img_cover {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  max-width: 100%;
  max-height: 100%;
  display: block;
  margin: auto;
  padding: auto;
}

.img_size {
  background-size: cover;
  background-position: 50% 50%;
}

.clearfix:after {
  content: " ";
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
}

.tr {
  transition: all 0.5s;
  -o-transition: all 0.5s;
  -ms-transition: all 0.5s;
  -moz-transition: all 5s;
  -webkit-transition: all 0.5s;
}

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.overflow {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

input[type=text],
input[type=button],
input[type=submit],
textarea {
  outline: none;
}


body.active {
  overflow: hidden;
}

@keyframes searchTop {
  0% {
    top: -100px
  }

  100% {
    top: 0
  }
}

.title {
  text-align: center;
  position: relative;
  text-transform: uppercase;
}

.title .t1 {
  font-family: "Impact";
  color: #d7d7d7;
  opacity: 0.2;
  font-size: 60px;
  line-height: 50px;
}

.title .t2 {
  font-size: 36px;
  color: #222;
  position: absolute;
  left: 50%;
  top: 15px;
  transform: translateX(-50%);
  line-height: 30px;
}

.title .t3 {
  font-size: 16px;
  color: #777;
  padding-top: 18px;
}

.more {
  display: block;
  font-size: 14px;
  color: #fff;
  background-color: #0071DC;
  width: 165px;
  line-height: 46px;
  text-align: center;
  margin: 0 auto;
}

.more:hover {
  color: #fff;
  transform: translateY(-5px);
  box-shadow: 3px 3px 4px rgba(0, 0, 0, 0.2);
}

.more1 {
  display: block;
  font-size: 14px;
  color: #000;
  margin: 0 auto;
  float: right;
}

.more1:hover {
  color: #000;
}

.tabs {
  display: flex;
  justify-content: center;
  padding: 40px 0 0 0;
}

.tabs a {
  display: block;
  text-align: center;
  width: 155px;
  line-height: 40px;
  font-size: 16px;
  color: #333;
  margin: 0 5px;
  background-color: #fff;
  border: 1px solid #d6d6d6;
  transition: 0.5s;
}

.tabs a:hover {
  color: #fff;
  transform: translateY(-5px);
  box-shadow: 3px 3px 4px rgba(0, 0, 0, 0.2);
  background-color: #0071DC;
}

.pro {
  padding: 60px 0;
}

.pro ul {
  margin: 38px 0;
  position: relative;
  margin: 40px 0;
}

.pro ul::before {
  content: "";
  display: block;
  padding-top: calc(545 / 1200 * 100%);
}

.pro ul li {
  width: calc(25% - 8px);
  position: absolute;
  border: 1px solid #e9e9e9
}

.pro ul li a {
  display: block;
  padding: 6px;
  padding-bottom: 0;
  color: #333;
  transition: 0.5s;
}

.pro ul li a .pic {
  width: 100%;
  position: relative;
  overflow: hidden;
  background-color: #fff;
}

.pro ul li a .pic::before {
  content: "";
  display: block;
  padding-top: calc(205 / 280 * 100%);
}

.pro ul li a .txt {
  width: 100%;
  line-height: 54px;
  font-size: 14px;
  text-align: center;
}

.pro ul li:nth-child(5) {
  width: calc(50% - 8px);
}

.pro ul li:nth-child(5) a .pic::before {
  padding-top: 83%;
}

.pro ul li:nth-child(1) {
  left: 0;
  top: 0;
}

.pro ul li:nth-child(3) {
  left: 0;
  bottom: 0;
}

.pro ul li:nth-child(2) {
  right: 0;
  top: 0;
}

.pro ul li:nth-child(4) {
  right: 0;
  bottom: 0;
}

.pro ul li:nth-child(5) {
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.pro ul li:hover .img_cover {
  transform: scale(1.1);
}

.pro ul li:hover a {
  background-color: #0071DC;
  color: #fff;
}

/**/


.pro-ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 50px;
  padding: 20px 0;
  margin: 0;
}

.pro-ul li {
  flex: 0 0 calc(50% - 25px);
  margin: 0;
  padding-bottom: 15px;
  margin-bottom: 15px;
  border: 1px solid #e9e9e9;
  border-bottom: 1px dashed #CCCCCC;
}

.pro-ul li a {
  display: block;
  padding: 6px;
  padding-bottom: 0;
  color: #fff;
  transition: 0.5s;
}

.pro-ul li a .pic {
  width: 100%;
  position: relative;
  overflow: hidden;
  background-color: #fff;
}

.pro-ul li a .pic::before {
  content: "";
  display: block;
  padding-top: calc(210 / 280 * 100%);
}

.pro-ul li a .txt {
  width: 100%;
  line-height: 54px;
  font-size: 14px;
  text-align: center;
}

.pro-ul li:hover .img_cover {
  transform: scale(1.1);
}

.pro-ul li:hover a {
  background-color: #009b4c;
  color: #fff;
}


@media (max-width:767px) {

  .pro ul::before {
    display: none;
  }

  .pro ul li {
    position: static;
    width: 48%;
    margin: 1%;
  }

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

  .pro ul li:nth-child(5) {
    transform: translate(0);
    width: 98%;
  }

  .pro,
  .case,
  .lc,
  .news {
    padding: 25px 0;
  }


  /**/

  .pro-ul {
    padding: 0;
  }

  .pro-ul li,
  .case-ul li {
    width: 48%
  }

  .pro-ul li a .txt,
  .pro ul li a .txt,
  .case-ul li a .txt {
    line-height: 42px;
    font-size: 14px;
  }

}

@media (max-width:567px) {}

@media (max-width:336px) {}

/* 产品中心样式 */
.product-center {
  padding: 50px 0;
  background-color: #fff;
}

.content-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}

.product-center-header {
  text-align: left;
  margin-bottom: 30px;
  position: relative;
}

/* 核心优势样式 */
.core-advantages {
  width: 100%;
  overflow: hidden;
  background: linear-gradient(to right, #3A66B1 50%, #FF6600 50%);
}

.advantages-content {
  display: flex;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  min-height: 300px;
  overflow: hidden;
}

.advantages-left {
  background-color: #3A66B1;
  flex: 1;
  color: white;
  padding: 60px 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-sizing: border-box;
}

.english-title {
  font-size: 16px;
  margin-bottom: 10px;
  opacity: 1;
  font-weight: normal;
}

.chinese-title {
  font-size: 36px;
  font-weight: bold;
  margin-bottom: 30px;
  line-height: 1.2;
}

.advantage-tags {
  margin-bottom: 15px;
}

.advantage-tags .tag {
  display: inline-block;
  color: white;
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 16px;
  margin-right: 10px;
  margin-bottom: 10px;
  font-weight: 500;
}

.view-button {
  margin-top: 40px;
  display: inline-block;
  position: relative;
}

.view-button span {
  font-size: 16px;
  padding-bottom: 5px;
  border-bottom: 2px solid white;
  position: relative;
  padding-left: 20px;
}

.view-button span::before {
  content: "•";
  position: absolute;
  left: 0;
  top: 0;
  font-size: 16px;
  color: #FF6600;
  font-weight: bold;
}

.advantages-right {
  background-color: #FF6600;
  flex: 1;
  display: flex;
  padding: 40px;
  box-sizing: border-box;
  text-align: left;
}

.advantages-right img {
  max-width: 100%;
  max-height: 400px;
  object-fit: contain;
  border: 10px solid white;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .advantages-content {
    flex-direction: column;
  }
  
  .advantages-left {
    padding: 40px 20px;
    text-align: center;
  }
  
  .chinese-title {
    font-size: 36px;
  }
  
  .advantage-tags .tag {
    margin-right: 10px;
    margin-bottom: 10px;
  }
  
  .view-button {
    align-self: center;
  }
  
  .advantages-right {
    padding: 30px;
  }
}

.product-center-header h1 {
  font-size: 28px;
  margin-bottom: 10px;
  color: #000;
  font-weight: bold;
}

.product-center-header p {
  font-family: Arial, sans-serif;
  font-size: 14px;
  color: #666;
  margin-bottom: 20px;
}

.more-link {
  position: absolute;
  top: 10px;
  right: 0;
}

.more-link a {
  color: #000;
  text-decoration: none;
  font-size: 14px;
}

.more-link a:hover {
  text-decoration: underline;
}

/* 产品图纸样式 */
.product-drawing {
  margin-bottom: 40px;
  text-align: center;
}

.product-drawing img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* 产品表格样式 */
.product-table-container {
  overflow-x: auto;
}

.product-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 30px;
}

.product-table th,
.product-table td {
  border: 1px solid #ddd;
  padding: 8px 12px;
  text-align: center;
  font-size: 12px;
}

.product-table th {
  background-color: #003366;
  color: #fff;
  font-weight: bold;
}

.product-table th:first-child {
  background-color: #003366;
}

.product-table .orange-row {
  background-color: #fff3e6;
}

.product-table .orange-row td:first-child {
  background-color: #ff6600;
  color: #fff;
  font-weight: bold;
}

/* 表格注释样式 */
.table-note {
  margin-top: 20px;
  padding: 15px;
  background-color: #f9f9f9;
  border-left: 4px solid #ff6600;
}

.table-note p {
  margin: 0;
  font-size: 14px;
  color: #666;
  line-height: 1.5;
}

/* 左中右合并布局样式 */
.combined-layout {
  background-color: #f8f8f8;
  padding: 60px 0;
}

.combined-content {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: 20px;
  margin-top: 30px;
  background-color: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* 左侧文字简介 */
.left-content {
  flex: 1;
  background-color: #fff;
  padding: 20px 30px;
  border-radius: 8px;

  display: flex;
  flex-direction: column;
}

.left-title {
  font-size: 24px;
  color: #2c3e50;
  margin-bottom: 10px;
  font-weight: bold;
}

.left-subtitle {
  font-size: 18px;
  color: #34495e;
  margin-bottom: 20px;
  font-weight: 500;
}

.left-divider {
  height: 2px;
  background-color: #3498db;
  margin-bottom: 20px;
  width: 100%;
}

.left-section-title {
  font-size: 16px;
  color: #2c3e50;
  margin-bottom: 15px;
  font-weight: bold;
}

.left-content .ace-line {
  flex: 1;
}

.left-content .gsmore {
  display: block;
  width: 288px;
  height: 40px;
  line-height: 40px;
  background-color: #355898;
  color: #fff;
  text-align: center;
  margin-top: 20px;
}

.left-content .gsmore:hover {
  background-color: #DD0000;
  transition: all .8s;
}

/* 中间图片 */
.center-content {
  flex: 0 0 40%;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #fff;
  padding-top: 20px;
  padding-bottom: 20px;
}

.center-image-wrapper {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
}

.center-image-wrapper img {
  max-width: 100%;
  max-height: 100%;
  object-fit: cover;
}

/* 右侧合作品牌logo */
.right-content {
  flex: 0 0 15%;
  max-width: 15%;
  background-color: #ffffff;
  border-radius: 5px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  height: 500px;
  padding: 50px 10px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.brand-logo {
  display: flex;
  flex-direction: column;
  gap: 20px;
  width: 100%;
  height: 100%;
  overflow-y: scroll;
  padding-right: 5px;
  /* 移除CSS动画，使用JavaScript控制滚动 */
}

/* 自动滚动动画已移除，使用JavaScript控制滚动 */

.logo-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 10px;
  border: 1px solid #ecf0f1;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.logo-item:hover {
  background-color: #f8f9fa;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  transform: translateY(-2px);
}

.logo-item img {
  width: 80px;
  height: auto;
  margin-bottom: 8px;
  object-fit: contain;
}

.logo-name {
  font-size: 14px;
  color: #2c3e50;
  font-weight: 500;
  line-height: 1.2;
}

/* 自定义滚动条样式 */
.brand-logo::-webkit-scrollbar {
  width: 8px;
  visibility: visible;
}

.brand-logo::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 5px;
  visibility: visible;
}

.brand-logo::-webkit-scrollbar-thumb {
  background: #3498db;
  border-radius: 5px;
  visibility: visible;
}

.brand-logo::-webkit-scrollbar-thumb:hover {
  background: #2980b9;
}

/* Firefox滚动条样式 */
.brand-logo {
  scrollbar-width: thin;
  scrollbar-color: #3498db #f1f1f1;
}

/* 左中右布局的响应式设计 */
@media (max-width:1200px) {
  .combined-content {
    flex-direction: column;
  }
  
  .center-content {
    flex: 1;
    max-width: 100%;
    margin: 20px 0;
  }
  
  .center-content img {
    max-height: 300px;
  }
  
  .scroll-container {
    height: 300px;
  }
}

@media (max-width:767px) {
  .combined-layout {
    padding: 25px 0;
  }
  
  .left-content,
  .center-content,
  .right-content {
    padding: 10px;
  }
  
  .left-content .gsmore {
    width: 100%;
    max-width: 288px;
    margin-left: auto;
    margin-right: auto;
  }
  
  .scroll-container {
    height: 250px;
  }
  
  .scroll-column .img-center {
    height: 120px;
  }
}

@media (max-width:576px) {
  .scroll-container {
    flex-direction: column;
    height: auto;
  }
  
  .scroll-column {
    margin-bottom: 10px;
  }
  
  .scroll-column li {
    margin-bottom: 10px;
  }
}

/* 产品实拍样式 */
.product-photos {
  padding: 50px 0;
  background-color: #fff;
}

.product-cards {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 60px;
}

.product-card {
  flex: 1;
  border: 2px solid #3A66B1;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background-color: #fff;
  height: 100%;
}

.card-image {
  background-color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  flex: 1;
  min-height: 390px;
  padding: 0;
}

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

.card-content {
  background-color: #3A66B1;
  color: white;
  padding: 20px;
  flex: 1;
}

.product-title {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 10px;
  background-color: #ff6600;
  color: white;
  display: inline-block;
  padding: 8px 20px;
  border-radius: 4px;
  font-weight: 500;
}

.product-description {
  font-size: 14px;
  margin-bottom: 15px;
  opacity: 0.9;
  color: white;
}

.view-button {
  display: inline-block;
  position: relative;
  font-size: 14px;
  padding-bottom: 5px;
  border-bottom: 1px solid white;
}

.view-button span {
  position: relative;
  padding-left: 20px;
  color: white;
}

.view-button span::before {
  content: "•";
  position: absolute;
  left: 0;
  top: 0;
  font-size: 16px;
  color: #FF6600;
  font-weight: bold;
}

/* 我们的优势样式 */
.our-advantages {
  margin-top: 60px;
}

.advantages-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
  padding-bottom: 10px;
  border-bottom: 1px solid #ddd;
}

.advantages-header .chinese-title {
  font-size: 28px;
  font-weight: bold;
  color: #000;
  margin: 0;
  display: inline-block;
}

.advantages-header .english-title {
  font-size: 16px;
  color: #666;
  margin: 0 0 0 15px;
  display: inline-block;
  vertical-align: middle;
}

.advantages-header .more-link {
  margin: 0;
}

.advantages-header .more-link a {
  color: #000;
  text-decoration: none;
  font-size: 14px;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 30px;
}

.advantage-item {
  background-color: #f9f9f9;
  padding: 30px 20px;
  border-radius: 8px;
  text-align: center;
  transition: transform 0.3s ease;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.advantage-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.advantage-icon {
  margin-bottom: 20px;
  height: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.advantage-icon img {
  max-width: 60px;
  max-height: 60px;
  object-fit: contain;
}

.advantage-item h3 {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 15px;
  color: #333;
}

.advantage-item p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
  margin: 0;
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .product-cards {
    gap: 20px;
  }
  
  .advantages-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
}

@media (max-width: 992px) {
  .advantages-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .product-cards {
    flex-direction: column;
    gap: 20px;
  }
  
  .advantages-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .advantages-header .english-title {
    margin-left: 0;
    margin-top: 5px;
  }
  
  .advantages-header .more-link {
    margin-top: 10px;
  }
  
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .card-image {
    min-height: 200px;
  }
  
  .card-image img {
    max-height: 180px;
  }
  
  .advantages-grid {
    grid-template-columns: 1fr;
  }
}

/* 产品定制加工流程样式 */
.custom-process {
  background-color: #3A66B1;
  color: white;
  padding: 60px 0;
  margin-top: 40px;
}

.process-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
}

.process-title {
  font-size: 36px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 15px;
}

.process-subtitle {
  font-size: 16px;
  text-align: center;
  margin-bottom: 60px;
  opacity: 0.9;
}

.process-steps {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  background-color: transparent;
  border: 2px solid white;
  border-radius: 50%;
  width: 100px;
  height: 100px;
  justify-content: center;
  z-index: 2;
}

.step-number {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 5px;
}

.step-text {
  font-size: 14px;
  text-align: center;
}

.process-arrow {
  font-size: 24px;
  font-weight: bold;
  margin: 0 10px;
  color: white;
  z-index: 1;
}

.process-footer {
  margin-top: 40px;
}

.footer-line {
  height: 2px;
  background-color: rgba(255, 255, 255, 0.3);
  width: 100%;
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .process-steps {
    justify-content: center;
    gap: 20px;
  }
  
  .process-step {
    width: 80px;
    height: 80px;
  }
  
  .step-number {
    font-size: 20px;
  }
  
  .step-text {
    font-size: 12px;
  }
}

@media (max-width: 768px) {
  .process-title {
    font-size: 28px;
  }
  
  .process-subtitle {
    font-size: 14px;
    margin-bottom: 40px;
  }
  
  .process-steps {
    flex-direction: column;
    align-items: flex-start;
    gap: 30px;
  }
  
  .process-step {
    flex-direction: row;
    width: 100%;
    height: auto;
    border-radius: 40px;
    padding: 15px 20px;
    justify-content: flex-start;
  }
  
  .step-number {
    margin-right: 20px;
    margin-bottom: 0;
  }
  
  .process-arrow {
    align-self: center;
    margin: 0;
    transform: rotate(90deg);
  }
}

@media (max-width: 576px) {
  .process-title {
    font-size: 24px;
  }
  
  .process-step {
    padding: 10px 15px;
  }
  
  .step-number {
    font-size: 18px;
    margin-right: 15px;
  }
  
  .step-text {
    font-size: 12px;
  }
}

/* 产品应用样式 */
.product-application {
  padding: 60px 0;
  background-color: #fff;
}

.application-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 50px;
  padding-bottom: 20px;
  border-bottom: 1px solid #ddd;
}

.application-title {
  font-size: 36px;
  font-weight: bold;
  color: #000;
  margin: 0;
}

.application-subtitle {
  font-size: 16px;
  color: #666;
  margin: 0 0 10px 10px;
  font-family: Arial, sans-serif;
}

.application-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.application-item {
  text-align: center;
  transition: transform 0.3s ease;
}

.application-item:hover {
  transform: translateY(-5px);
}

.item-image {
  margin-bottom: 20px;
  overflow: hidden;
  border-radius: 8px;
}

.item-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.application-item:hover .item-image img {
  transform: scale(1.05);
}

.item-title {
  font-size: 18px;
  font-weight: bold;
  color: #000;
  position: relative;
  display: inline-block;
  padding-bottom: 10px;
}

.item-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 2px;
  background-color: #3A66B1;
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .application-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
  }
}

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

@media (max-width: 768px) {
  .application-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .application-header .application-subtitle {
    margin-left: 0;
  }
  
  .application-header .more-link {
    margin-top: 15px;
  }
  
  .application-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .item-image img {
    height: 250px;
  }
}

@media (max-width: 576px) {
  .application-title {
    font-size: 28px;
  }
  
  .item-image img {
    height: 200px;
  }
}

/* 走进博特精工样式 */
.about-bote {
  padding: 60px 0;
  background-color: #f9f9f9;
}

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

.about-title {
  font-size: 36px;
  font-weight: bold;
  color: #3A66B1;
  margin-bottom: 15px;
  position: relative;
}

.title-line {
  width: 60px;
  height: 2px;
  background-color: #3A66B1;
  margin: 0 auto 20px;
}

.arrow-down {
  display: inline-block;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: #3A66B1;
  color: white;
  font-size: 18px;
  line-height: 30px;
  text-align: center;
}

.about-content {
  display: flex;
  justify-content: space-between;
  gap: 60px;
}

.about-left {
  flex: 1;
}

.about-main-title {
  font-size: 32px;
  font-weight: bold;
  color: #000;
  margin-bottom: 15px;
}

.orange-a {
  color: #ff6600;
}

.about-subtitle {
  font-size: 16px;
  color: #666;
  margin-bottom: 30px;
}

.about-text {
  font-size: 14px;
  line-height: 1.8;
  color: #333;
  margin-bottom: 40px;
}

.about-text p {
  margin-bottom: 15px;
}

.about-button {
  display: inline-block;
  background-color: #ff6600;
  color: white;
  padding: 10px 25px;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.about-button:hover {
  background-color: #e65c00;
}

.about-right {
  flex: 0 0 40%;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-image {
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

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

/* 响应式设计 */
@media (max-width: 992px) {
  .about-content {
    flex-direction: column;
    gap: 40px;
  }
  
  .about-right {
    flex: 1;
    flex-direction: row;
  }
}

@media (max-width: 768px) {
  .about-title {
    font-size: 28px;
  }
  
  .about-main-title {
    font-size: 24px;
  }
  
  .about-right {
    flex-direction: column;
  }
}

@media (max-width: 576px) {
  .about-title {
    font-size: 24px;
  }
  
  .about-text {
    font-size: 13px;
  }
}