body {
  color: #666666;
  font-display: swap;
  font-family: AliHYAiHei-Beta, AliHYAiHei-Beta;
  margin: 0px;
  font-size: 14px;
  letter-spacing: 1px;
}
body h1,
body h2,
body h3 {
  color: #030303;
  font-weight: 400;
}

body h1 {
  font-size: 32px;
}
body h2 {
  font-size: 28px;
}
body h3 {
  font-size: 20px;
}
body p {
  font-size: 14px;
}

a {
  text-decoration: none;
  cursor: pointer;
}
input {
  border: 0; /* 去掉边框 */
  padding: 2px 10px;
  border-radius: 4px;
  outline: none;
}
textarea {
  border: 0; /* 去掉边框 */
  padding: 2px 10px;
  border-radius: 4px;
  outline: none;
}

input[type="checkbox"] {
  cursor: pointer;
  position: relative;
  width: 15px;
  height: 15px;
  font-size: 14px;
}

input[type="checkbox"]::after {
  position: absolute;
  top: 0;
  color: #000;
  width: 15px;
  height: 15px;
  display: inline-block;
  visibility: visible;
  padding-left: 0px;
  text-align: center;
  content: " ";
  border-radius: 3px;
}

input[type="checkbox"]:checked::after {
  content: "✓";
  color: #fff;
  font-size: 12px;
  font-weight: bold;
  background-color: #00b8cc;
}

input {
  box-shadow: 0 0 0px 1000px white inset;
}
.nav-content {
  width: 100%;
  position: fixed;
  top: 0;
  height: 66px;
  z-index: 2002;
  backdrop-filter: blur(5px);
  background: rgba(13, 15, 15, 0.8);
}
.nav-content:hover {
  background: rgba(13, 15, 15);
}
.main-content {
  position: relative;
  width: 1200px;
  margin: 0 auto;
}
.main-content .title4 {
  width: 96px; /* 设置固定宽度 */
  overflow: hidden; /* 超出部分隐藏 */
  white-space: nowrap;
  margin: 0 auto;
}
.logo {
  width: 18%;
  display: flex;
  justify-content: start;
  align-items: center;
  font-weight: 600;
  font-size: 20px;
  cursor: pointer;
  color: #fff;
}
.menu {
  width: 82%;
}
nav {
  display: -webkit-flex; /* Safari */
  display: flex;
  flex-flow: row nowrap; /* 水平，不换行 */
  justify-content: center;
  align-items: center;
}
nav ul {
  list-style: none;
  margin-left: 50px;
  margin: 0px;
}
nav li {
  color: #fff;
  display: inline;
}
nav a {
  line-height: 66px;
  text-decoration: none;
  padding: 0px 15px;
  cursor: pointer;
  font-weight: 400;
  font-size: 15px;
  color: #fff;
}
nav a:-webkit-any-link {
  color: #fff;
  cursor: pointer;
}

nav a:hover {
  color: #00b8cc;
}
.bannar {
  margin: 0px;
  width: 100%;
  aspect-ratio: 1920 / 450;
}

.bannar-image {
  position: absolute;
  top: 20px;
  right: 0px;
  width: 450px;
  height: 450px;
  background-size: contain;
}
.bannar1 {
  margin: 0px;
  background-color: #000;
  height: 480px;
}
.bannar2 {
  margin: 0px;
  display: none;
  background-color: #000;
  height: 480px;
}
.bannar3 {
  margin: 0px;
  display: none;
  background-color: #000;
  height: 480px;
}
.bannar-content {
  position: absolute;
  top: 20px;
  left: 20px;
  width: 60%;
  padding-top: 100px;
  height: 380px;
  color: #fff;
}
.bannar-content-ul {
  width: 600px;
  height: 103px;
  padding-left: -21px;
}
.bannar2 .bannar-content-ul,
.bannar3 .bannar-content-ul {
  width: 600px;
  height: 150px;
  padding-left: -21px;
}
.bannar-content-ul li {
  list-style-type: disc;
  margin-bottom: 10px;
}
.bannar1 .bannar-content-ul li {
  float: left;
  width: 250px;
  list-style-type: disc;
  margin-bottom: 10px;
}
.bannar-content h1 {
  font-family: "Franklin Gothic Medium", "Arial Narrow", Arial, sans-serif;
}
.bannar-content h2 {
  margin-top: -15px;
  margin-bottom: 30px;
}
.bannar-content .title {
  margin-top: 50px;
  color: #fff;
  font-size: 30px;
}
.bannar-content .detail {
  margin-top: 30px;
  margin-bottom: 50px;
  font-size: 20px;
  color: #bbb;
}
.bannar-content li.lastli {
  width: 300px;
}
.bannar-content-button {
  color: #fff;
  font-size: 16px;
  background: linear-gradient(135deg, #00e0b0, #006ffe);
  padding: 8px 25px;
  cursor: pointer;
  border-radius: 18px;
  margin-right: 30px;
}
.bannar-content-button:hover {
  background: linear-gradient(135deg, #00d1e0, #006ffe);
}
.bannar-trun {
  position: absolute;
  left: 48%;
  top: 420px;
}
.bannar-trun div {
  border-bottom: 4px solid #fff;
  width: 40px;
  display: inline-block;
  cursor: pointer;
}
.article {
  padding-bottom: 50px;
  margin: 0px auto 80px auto;
  text-align: center;
}
.flex-card {
  display: -webkit-flex; /* Safari */
  display: flex;
  flex-flow: row nowrap; /* 水平，不换行 */
  justify-content: space-between;
  align-items: center;
}
.custom-card,
.fee-card,
.patent-card,
.trademark-card {
  margin-top: 60px;
  margin-bottom: 20px;
}

.introduction-card {
  margin-bottom: 80px;
}
.introduction-card-item {
  display: flex;
  flex-flow: row nowrap; /* 水平，不换行 */
  justify-content: center;
  align-items: center;
  width: 450px;
  text-align: left;
}
.introduction-right {
  padding-left: 10px;
  padding-right: 20px;
}
.custom-card-item {
  width: 335px;
  height: 168px;
  display: flex;
  flex-flow: row nowrap; /* 水平，不换行 */
  justify-content: space-between;
  align-items: end;
}
.custom-card-item .custom-left {
  color: #fff;
  margin-left: 20px;
  margin-bottom: 20px;
  text-align: left;
  font-size: 20px;
}
.custom-card-item .product2 {
  color: #fff;
  text-align: left;
  font-size: 20px;
  width: 40px; /* 设置固定宽度 */
  overflow: hidden; /* 超出部分隐藏 */
  white-space: nowrap;
}
.custom-card-item .product4 {
  color: #fff;
  text-align: left;
  font-size: 20px;
  width: 80px; /* 设置固定宽度 */
  overflow: hidden; /* 超出部分隐藏 */
  white-space: nowrap;
}
.custom-card-item .custom-right {
  color: #00b8cc;
  background-color: #fff;
  border-radius: 3px;
  padding: 5px;
  margin-right: 30px;
  margin-bottom: 20px;
  font-size: 12px;
  cursor: pointer;
}
.custom-card-item .detail6 {
  width: 37px; /* 设置固定宽度 */
  overflow: hidden; /* 超出部分隐藏 */
  white-space: nowrap;
}
.custom-card-item .detail10 {
  width: 50px; /* 设置固定宽度 */
  overflow: hidden; /* 超出部分隐藏 */
  white-space: nowrap;
}
.custom-card-item .detail22 {
  width: 97px; /* 设置固定宽度 */
  overflow: hidden; /* 超出部分隐藏 */
  white-space: nowrap;
}
.custom-card-item .detail26 {
  width: 124px; /* 设置固定宽度 */
  overflow: hidden; /* 超出部分隐藏 */
  white-space: nowrap;
}

.custom-left-en {
  font-size: 10px;
}
.custom-card .bg1 {
  background-image: url("https://official-image.qizhicloud.com/assert/enterprise.png");
}
.custom-card .bg2 {
  background-image: url("https://official-image.qizhicloud.com/assert/university.png");
}
.custom-card .bg3 {
  background-image: url("https://official-image.qizhicloud.com/assert/scientific.png");
}
.custom-card .bg4 {
  background-image: url("https://official-image.qizhicloud.com/assert/agency.png");
}

.patent-card-item {
  width: 24%;
  cursor: pointer;
}
.patent-card-item h2 {
  color: #666666;
  font-size: 16px;
  padding-bottom: 30px;
}
.patent-card-item h2.active {
  border-bottom: 3px solid #00b8cc;
}

.patent-card-item .card-head.active {
  border-bottom: 3px solid #00b8cc;
}
.patent-card-detail {
  display: flex;
  flex-flow: row nowrap; /* 水平，不换行 */
  justify-content: space-between;
  align-items: center;
  background-color: #fff;
  border-radius: 12px;
  padding: 20px 20px 20px 40px;
  line-height: 28px;

  width: 100%;
  box-sizing: border-box;
  transition: height 0.3s ease-in-out;
}
.detail2,
.detail3,
.detail4 {
  display: none;
}
.patent-card-content {
  width: 60%;
  text-align: left;
}
.patent-card-icon {
  width: 40%;
  min-height: 350px;
  align-items: center;
  padding-left: 20px;
  padding-top: 50px;
}
.patent-card-content-lists {
  margin-top: 30px;
}
.patent-card-content-list {
  line-height: 30px;
  font-size: 13px;
}
.patent-card-content-list input {
  display: inline-block;
  vertical-align: middle;
  margin-bottom: 4px;
}
.trademark-card-item {
  width: 30%;
  background-color: #f7f7f7;
  border-radius: 6px;
}
.fee-card {
  justify-content: center;
}
.fee-card-content {
  position: relative;
}
.card1 {
  bottom: 280px;
  left: 40px;
}
.card2 {
  bottom: 70px;
  left: 60px;
}
.card3 {
  bottom: 280px;
  left: 500px;
}
.card4 {
  bottom: 70px;
  left: 480px;
}

.fee-float-card {
  position: absolute;
  width: 188px;
  height: 88px;
  background-color: #fff;
  text-align: left;
}
.fee-float-card h3 {
  font-size: 14px;
  color: #00b8cc;
  font-weight: bold;
  margin: 12px 10px 7px 10px;
}
.fee-float-card p {
  margin: 0px 10px;
}
.fee-left {
  width: 49%;
}
.fee-right {
  width: 49%;
  display: flex;
  flex-flow: row wrap; /* 水平，不换行 */
  justify-content: center;
  align-items: center;
}
.fee-right-row {
  width: 420px;
  margin: 16px auto;
  display: flex;
  flex-flow: row wrap; /* 水平，不换行 */
  justify-content: space-between;
  align-items: center;
}
.fee-right-row-top {
  width: 100%;
  height: 68px;
  line-height: 68px;
  font-size: 20px;
  color: #f19d04;
  font-weight: bold;
  border-radius: 4px;
  background-color: #fff;
  vertical-align: middle;
}
.fee-right-row-card {
  width: 195px;
  height: 104px;
  border-bottom: solid #f9a100 4px;
  border-radius: 4px;
  background-color: #fff;
}
.fee-right-row-card h3 {
  font-size: 14px;
  font-weight: bold;
  color: #f19d04;
  margin: 12px auto;
}
.fee-article {
  padding-bottom: 50px;
  margin-bottom: 0px;
}
.footer {
  color: #fff;
  height: 255px;
  background: #17181b;
  padding-top: 40px;
  padding-left: 5px;
  font-size: 12px;
}
.footer-content {
  text-align: center;
  margin: 0px auto;
  display: flex;
  flex-flow: row nowrap; /* 水平，不换行 */
  justify-content: center;
  align-items: start;
}

.footer .related {
  color: #fff;
  width: 20%;
  text-align: left;
}
.footer .related a {
  color: #fff;
  line-height: 30px;
  text-decoration: none;
}
.footer .contract {
  width: 360px;
  text-align: left;
  line-height: 30px;
}
.footer .map {
  width: 25%;
}
.footer .wechart {
  width: 150px;
}
.footer .online {
  margin-top: 20px;
  color: #fff;
  padding: 10px 25px;
  border: #fff solid 1px;
  text-align: left;
  float: left;
}
.footer .copyright {
  margin-top: 30px;
  text-align: center;
}
.copyright a {
  color: #fff;
  text-decoration: none;
}
.map-img {
  width: 300px;
}
.wechart-img {
  width: 100px;
  border-radius: 5px;
}
.bg-full {
  width: 100%;
  padding-top: 48px;
  background-color: #eef6ff;
  display: inline-block;
}

.side-toolbar {
  position: fixed;
  bottom: 36%;
  right: 8px;
  z-index: 1997 !important;
  padding: 2px 0 0 0;
  margin: 0;
  text-align: center;
  cursor: pointer;
  background: #fff;
  border: 1px solid #dcdfe6;
  border-radius: 28px;
  box-shadow: 0 0 50px 0 rgba(82, 63, 105, 0.15);
  font-size: 12px;
  font-weight: 450;
  color: #000;
}

.side-toolbar-contract {
  position: fixed;
  bottom: 38%;
  right: 85px;
  z-index: 1998 !important;
  padding: 30px 15px;
  margin: 0;
  text-align: center;
  background: #fff;
  border: 1px solid #dcdfe6;
  border-top-left-radius: 5.5px;
  border-bottom-left-radius: 5.5px;
  box-shadow: 0 0 50px 0 rgba(82, 63, 105, 0.15);
  font-size: 12px;
  font-weight: 450;
  color: #000;
  display: none;
  border-radius: 8px;
  opacity: 0.9;
}

.side-toolbar-contract-weixin {
  position: fixed;
  bottom: 34%;
  right: 85px;
  z-index: 1998 !important;
  padding: 30px 15px;
  margin: 0;
  text-align: center;
  background: #fff;
  border: 1px solid #dcdfe6;
  border-top-left-radius: 5.5px;
  border-bottom-left-radius: 5.5px;
  box-shadow: 0 0 50px 0 rgba(82, 63, 105, 0.15);
  font-size: 12px;
  font-weight: 450;
  color: #000;
  display: none;
  border-radius: 8px;
}

.side-toolbar-item {
  padding: 0px;
  margin: 10px auto;
  opacity: 0.8;
}
.side-toolbar-item:hover {
  color: #2980e3;
  font-weight: 500;
  opacity: 1;
}
.side-toolbar a {
  text-decoration: none;
  cursor: pointer;
}

.side-toolbar a:-webkit-any-link {
  color: #000;
  cursor: pointer;
}

.error-content {
  height: 600px;
}

.hexin-btn {
  padding: 10px;
  width: 185px;
  height: 60px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
}

.hexin-btn:hover {
  background-color: #fff;
}

.hexin-btn.active {
  background-color: #fff;
}

.business-card-content {
  display: flex;
  justify-content: space-between;
  margin-top: 50px;
}

.key-function {
  background-color: #ccc;
  border-radius: 12px;
  height: 640px;
  display: flex;
  justify-content: flex-start;
  background-color: #e9f2ff;
  background-size: cover;
  padding: 40px 40px 20px 40px;
  margin: 20px 0px 10px 0px;
}

.key-function-menu {
  width: 200px;
  display: flex;
  justify-content: space-between;
  flex-direction: column;
  margin-top: 12px;
  margin-bottom: 30px;
}

.key-function-content {
  width: 800px;
  background-color: #fff;
  border-radius: 10px;
  margin: 10px;
}

.main-card-detail {
  display: none;
  width: 700px;
  margin: 0 auto;
  padding-left: 50px;
}

.main-card-detail-top {
  text-align: left;
  width: 700px;
  font-weight: 500;
  font-size: 16px;
  margin-bottom: 10px;
  height: 80px;
  line-height: 25px;
}

.service-iamge {
  width: 500px;
  height: 360px;
  background-image: url("https://official-image.qizhicloud.com/assert2/service.png");
  background-size: contain;
  margin-top: 80px;
}

.primary {
  color: #00b8cc;
}

.primary-head {
  color: #030303;
}

.main-h1 {
  display: block;
  font-size: 32px;
  margin-block-start: 0.67em;
  margin-block-end: 0.67em;
  margin-inline-start: 0px;
  margin-inline-end: 0px;
  font-weight: bold;
  unicode-bidi: isolate;
}

.main-h2 {
  display: block;
  font-size: 20px;
  margin-block-start: 0.83em;
  margin-block-end: 0.83em;
  margin-inline-start: 0px;
  margin-inline-end: 0px;
  font-weight: bold;
  unicode-bidi: isolate;
}

.main-h3 {
  display: block;
  font-size: 20px;
  margin-block-start: 1em;
  margin-block-end: 1em;
  margin-inline-start: 0px;
  margin-inline-end: 0px;
  font-weight: bold;
  unicode-bidi: isolate;
}

.main-h4 {
  margin-block-start: 1.33em;
  margin-block-end: 1.33em;
  margin-inline-start: 0px;
  margin-inline-end: 0px;
  font-weight: bold;
  unicode-bidi: isolate;
}

.card-head {
  display: block;
  color: #666666;
  font-size: 16px;
  padding-bottom: 30px;
  margin-block-start: 0.83em;
  margin-block-end: 0.83em;
  margin-inline-start: 0px;
  margin-inline-end: 0px;
  font-weight: 400;
  unicode-bidi: isolate;
}

.bold {
  font-weight: 800;
}

.ellipsis-line6 {
  display: -webkit-box;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 6;
  -webkit-box-orient: vertical;
}

.question {
  font-weight: 600px;
  min-height: 60px;
  line-height: 60px;
}

.question-bold {
  color: #00b8cc;
  font-weight: 800;
}

.question-border {
  border-bottom: #ddd solid 1px;
  width: 100%;
}

.question-content1 {
  float: right;
  padding-right: 10px;
}

.question-content2 {
  float: right;
  padding-right: 10px;
  display: none;
}

.question-content {
  display: block;
  padding: 10px 25px;
  line-height: 30px;
}

.error-message {
  text-align: left;
  color: #f56c6c;
  font-size: 12px;
}

.sys-fun-map {
  width: 1200px;
}

/* 下拉菜单核心样式 - 匹配现有导航风格 */
.menu .dropdown {
  position: relative; /* 作为下拉菜单的定位容器 */
  display: inline-block;
}
/* 下拉菜单容器 - 默认隐藏，hover 显示 */
.menu .dropdown-menu {
  position: absolute;
  top: 66px; /* 与导航栏高度一致，紧贴下方 */
  left: 0;
  background: rgba(13, 15, 15, 1); /* 与导航 hover 后的背景一致 */
  min-width: 160px;
  padding: 0;
  margin: 0;
  list-style: none;
  display: none; /* 默认隐藏 */
  z-index: 9999; /* 确保在最上层显示 */
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); /* 轻微阴影，提升层次感 */
  border-radius: 0 0 4px 4px; /* 仅底部圆角，匹配风格 */
}
/* 下拉菜单项样式 */
.menu .dropdown-menu li {
  display: block; /* 纵向排列 */
  white-space: nowrap; /* 防止文字换行 */
}
/* 下拉菜单项链接样式 */
.menu .dropdown-menu li a {
  display: block; /* 铺满整个li，提升点击区域 */
  line-height: 48px; /* 下拉项高度，比主菜单稍小 */
  padding: 0 20px;
  font-size: 14px;
  color: #fff;
  text-decoration: none;
}
/* 下拉菜单项 hover 高亮 - 匹配现有 hover 颜色 */
.menu .dropdown-menu li a:hover {
  color: #00b8cc;
  background: rgba(255, 255, 255, 0.1); /* 轻微背景高亮，提升体验 */
}
/* hover 时显示下拉菜单 */
.menu .dropdown:hover .dropdown-menu {
  display: block;
}
/* 响应式适配 - 小屏幕下保持布局 */
@media screen and (max-width: 1000px) {
  .menu .dropdown {
    position: relative;
  }
  .menu .dropdown-menu {
    top: 66px;
    left: 0;
  }
}

@media screen and (max-width: 1200px) {
  .main-content {
    width: 1000px;
  }

  .sys-fun-map {
    width: 1000px;
  }

  .logo {
    width: 10%;
  }
  .logo-content {
    display: none;
  }
  .menu {
    width: 90%;
  }
  .service-iamge {
    width: 500px;
    height: 290px;
    background-image: url("https://official-image.qizhicloud.com/assert2/service.png");
    background-size: contain;
    margin-top: 120px;
  }
}

@media screen and (max-width: 1000px) {
  .bannar {
    width: 1000px;
  }

  .sys-fun-map {
    width: 1000px;
  }

  .main-content {
    width: 1000px;
  }

  .bg-full {
    width: auto;
  }
  .logo {
    display: none;
  }

  .menu {
    width: 100%;
  }

  .nav-content {
    width: 1000px;
  }
  .service-iamge {
    width: 500px;
    height: 290px;
    background-image: url("https://official-image.qizhicloud.com/assert2/service.png");
    background-size: contain;
    margin-top: 120px;
  }
}