* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

body {
  line-height: 1.6;
  color: #333;
  background-color: #fff;
  overflow-x: hidden;
}

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

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

/* 通用类 */
.flex {
  display: flex;
}

.flex_center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.inner {
  max-width: 1348px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 头部 */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  padding: 15px 0;
}

.logo {
  display: block;
  width: 150px;
  height: 40px;
  background-color: #ff4081;
  border-radius: 5px;
  text-indent: -9999px;
}

/* 内容区域 */
.content {
  position: relative;
  padding: 80px 0 0;
}

/* 顶部背景 */
.content .topBack {
  position: absolute;
  left: 0;
  top: 80px;
  width: 100%;
  height: 851px;
  z-index: -1;
  /* background: linear-gradient(135deg, #735CD3 0%, #BB33C5 100%);
  background-size: cover; */
  background: url(../img/topBack.png) no-repeat ;
  background-size: 100% 100%;
}

/* 下载区域 */
.content .inner .download {
  position: relative;
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  /* justify-content: space-between; */
  padding: 50px 0;
}

.content .inner .download img {
  width: 585px;
  max-width: 100%;
  margin: 50px 0 0 -50px;
}

.content .inner .download .font {
  position: absolute;
  left: 534px;
  top: 192px;
  width: 693px;
  height: 269px;
  max-width: 100%;
  border-radius: 10px;
  margin: 20px 0;
  background: rgba(255, 255, 255, 0.1) url(../img/font.png) no-repeat;
  background-size: 80%;
  background-position: center;
}

.content .inner .download .button-group {
  display: flex;
  /* flex-direction: column; */
  gap: 15px;
}

.content .inner .download button {
  width: 220px;
  height: 70px;
  background: linear-gradient(90deg, #735CD3 0%, #BB33C5 100%);
  border-radius: 35px;
  color: #FFFFFF;
  font-size: 24px;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
}

.content .inner .download button:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(115, 92, 211, 0.4);
}

.content .inner .download button:nth-child(2) {
  background: linear-gradient(90deg, #ff4081 0%, #e91e63 100%);
}

.content .inner .download button:nth-child(2):hover {
  box-shadow: 0 5px 15px rgba(255, 64, 129, 0.4);
}

/* 标题区域 */
.content .inner .title {
  position: relative;
  text-align: center;
  margin: 60px 0;
}

.content .inner .title h1 {
  color: #333;
  font-size: 52px;
  font-weight: bold;
  margin-bottom: 10px;
}

.content .inner .title h2 {
  position: absolute;
  top: -56px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 60px;
  font-weight: bold;
  color: #f4f4f4;
  text-transform: uppercase;
  white-space: nowrap;
  z-index: -1;
}

.content .inner .title p {
  color: #999999;
  font-size: 18px;
}

.content .inner .title p::before,
.content .inner .title p::after {
  content: '';
  display: block;
  width: 16px;
  height: 2px;
  background: #999999;
  border-radius: 2px;
}

.content .inner .title p i {
  padding: 0 5px;
}

/* 内容块 */
.content .inner .box {
  padding-top: 110px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.content .inner .box .font {
  padding: 0 0 0 20px;
  flex: 1;
  min-width: 300px;
}

.content .inner .box .font h4 {
  font-size: 36px;
  margin-bottom: 30px;
  white-space: nowrap;
}

.content .inner .box .font p {
  color: #666;
  font-size: 30px;
  width: 539px;
  max-width: 100%;
  margin-bottom: 24px;
}

.content .inner .box .font .button-group {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.content .inner .box .font button {
  width: 220px;
  height: 70px;
  background: linear-gradient(90deg, #735CD3 0%, #BB33C5 100%);
  border-radius: 35px;
  color: #FFFFFF;
  font-size: 24px;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
}

.content .inner .box .font button:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(115, 92, 211, 0.4);
}

.content .inner .box .font button:nth-child(2) {
  background: linear-gradient(90deg, #ff4081 0%, #e91e63 100%);
}

.content .inner .box .font button:nth-child(2):hover {
  box-shadow: 0 5px 15px rgba(255, 64, 129, 0.4);
}

.content .inner .box img {
  max-width: 450px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 关于我们 */
.content .about {
  width: 100%;
  height: 380px;
  background: #333;
  background-size: cover;
  margin-top: 80px;
}

.content .about .inner {
  height: 380px;
  color: #fff;
}

.content .about .inner h1 {
  font-size: 50px;
  font-weight: bold;
  padding: 60px 0 40px;
}

.content .about .inner p {
  font-size: 26px;
  margin-bottom: 36px;
  align-items: center;
}

.content .about .inner p::before {
  content: '';
  display: block;
  margin-right: 10px;
}

.content .about .inner .l1::before {
  width: 27px;
  height: 34px;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5c-1.38 0-2.5-1.12-2.5-2.5s1.12-2.5 2.5-2.5 2.5 1.12 2.5 2.5-1.12 2.5-2.5 2.5z"/></svg>');
  background-size: 100% auto;
}

.content .about .inner .l2::before {
  width: 29px;
  height: 24px;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z"/></svg>');
  background-size: 100% auto;
}

/* 公司信息 */
.content .company {
  min-width: 100%;
  height: 100px;
  text-align: center;
  color: #fff;
  background-color: #000000;
  font-size: 16px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.content .company a {
  color: #fff;
  text-decoration: none;
  margin-top: 5px;
}

.content .company a:hover {
  color: #ff4081;
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .content .inner .download img {
    margin: 0;
  }

  .content .inner .download .font {
    width: 100%;
    height: 200px;
    margin: 30px 0;
    position: relative;
    left: 0;
    top: 0;
  }

  .content .inner .box .font {
    padding: 0;
  }
}

@media (max-width: 992px) {
.content .topBack{
    background-size: cover;
  }
  .content .inner .download {
    flex-direction: column;
    text-align: center;
  }

  .content .inner .download .button-group {
    flex-direction: row;
    justify-content: center;
  }

  .content .inner .box {
    flex-direction: column;
    text-align: center;
  }

  .content .inner .box:nth-child(even) {
    flex-direction: column;
  }

  .content .inner .box .font {
    padding: 20px 0;
    order: 2;
  }

  .content .inner .box img {
    order: 1;
    margin-bottom: 30px;
  }

  .content .inner .box .font .button-group {
    justify-content: center;
  }

  .content .inner .title h1 {
    font-size: 42px;
  }

  .content .inner .title h2 {
    font-size: 48px;
  }

  .content .inner .box .font h4 {
    font-size: 30px;
  }

  .content .inner .box .font p {
    font-size: 24px;
  }
}

@media (max-width: 768px) {

  .content .inner .download button,
  .content .inner .box .font button {
    width: 180px;
    height: 60px;
    font-size: 20px;
  }

  .content .inner .title h1 {
    font-size: 36px;
  }

  .content .inner .title h2 {
    font-size: 40px;
    top: -40px;
  }

  .content .inner .box .font h4 {
    font-size: 26px;
    white-space: normal;
  }

  .content .inner .box .font p {
    font-size: 20px;
  }

  .content .about .inner h1 {
    font-size: 40px;
  }

  .content .about .inner p {
    font-size: 20px;
  }
}

@media (max-width: 576px) {
  .content .inner .download .button-group {
    flex-direction: column;
    align-items: center;
  }

  .content .inner .box .font .button-group {
    flex-direction: column;
    align-items: center;
  }

  .content .inner .download button,
  .content .inner .box .font button {
    width: 100%;
    max-width: 300px;
  }

  .content .inner .title h1 {
    font-size: 30px;
  }

  .content .inner .title h2 {
    font-size: 32px;
    top: -30px;
  }

  .content .inner .title p {
    font-size: 16px;
  }

  .content .inner .box .font h4 {
    font-size: 22px;
  }

  .content .inner .box .font p {
    font-size: 18px;
  }

  .content .about .inner h1 {
    font-size: 32px;
    padding: 40px 0 30px;
  }

  .content .about .inner p {
    font-size: 18px;
  }

  .content .about {
    height: auto;
    padding: 40px 0;
  }

  .content .about .inner {
    height: auto;
  }
}