html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
body{
  min-width: 1300px;
  margin: 0;
  padding: 0;
  font-family: "Microsoft YaHei", sans-serif;
}
.layout {
  width: 1200px;
  margin: 0 auto;
  box-sizing: border-box;
}
img {
  display: block;
  user-select: none;
  -webkit-user-select: none; /* Safari */
  -moz-user-select: none; /* Firefox */
  -ms-user-select: none; /* IE10+/Edge */
  max-width: 100%;
  height: auto;
}
a {
  display: inline-block;
}

li {
  list-style: none;
}
.superscript {
  vertical-align: super;
  font-size: 12px;
}
.common-line {
  width: 100%;
  height: 10px;
  background-color: transparent;
  margin: 50px 0;
}
.common-title {
  display: block;
  width: fit-content;
  padding: 10px 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 auto 46px;
  color: #ffffff; /* 纯白色文字 */
  font-weight: 600;
  font-size: 38px;
  background: linear-gradient(to bottom, #ac74fd, #235092);
  border: none;
  border-radius: 16px;
}
.common-title p:first-child {
  font-size: 28px;
}
/* 顶部banner图 */
.main-kv {
  width: 100%;
  height: 500px;
  background: url("./images/first_bg.png") no-repeat;
  background-size: 100% 100%;
  overflow: hidden;
}
.main-kv .layout {
  width: 1300px;
  margin: 0 auto;
  position: relative;
}
.main-kv .logo {
  width: 294px;
  height: 68px;
}
.main-kv .title {
  margin-top: 47px;
}
.main-kv .title h1 {
  margin-top: 85px;
  font-size: 72px;
  color: #fff;
  text-align: center;
}
.main-kv .title p {
  margin-top: 20px;
  font-size: 51px;
  font-weight: bold;
  color: #fff;
  text-align: center;
}
/* 借助 NVIDIA RTX PRO 大幅提升性能 */
.main-desc {
  padding-top: 50px;
}
.main-desc-wrap {
  width: 1080px;
}
.main-desc-content {
  width: 1150px;
	height: 242px;
  padding: 0 448px 0 34px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  background: url("./images/border-bg.png") no-repeat;
  background-size: 100% 100%;
}
.main-desc-text {
  font-size: 18px;
  line-height: 28px;
  color: #000000;
}
/* .main-versatile .swiper-pagination-bullet {
  width: 14px;
  height: 14px;
}
.main-versatile .swiper-pagination-bullet-active {
  background-color: #0bb9da;
} */
.nvidia-box h2 {
  font-size: 40px;
  color: #333;
  text-align: center;
}
.tabs {
  display: flex;
  justify-content: center;
  flex-wrap: nowrap;
  gap: 10px;
}
.tabs div {
  height: 56px;
  line-height:32px;
  text-align: center;
  padding: 12px 10px;
  background-color: #efefef;
  color: #727171;
  font-size: 18px;
  cursor: pointer;
  border-radius: 12px;
   white-space: nowrap;
   letter-spacing: -1px;
}
.tabs div.active {
  color: #fff;
  background: linear-gradient(to right, #ac74fd, #235092);
}
.section {
  display: flex;
  gap: 40px;
  width: 100%;
  height: 271px;
  padding: 26px 58px;
  background: linear-gradient(to right, #ac74fd, #235092);
  border-radius: 20px;
  margin-top: 24px;
}
.section img {
  width: 485px;
	height: 217px;
}
.section p, .section a {
       font-size: 24px;
    line-height: 36px;
    color: #fff;
}
.section a {
      display: inline-block;
      border-bottom: 2px solid #fff;
}
/* 轮播图 */
.nvidia-box.second {
  position: relative;
}
.nvidia-box.second .swiper {
  margin-top: 90px;
  overflow: hidden;
  height: fit-content;
}
.nvidia-box.second .swiper-slide {
  width: 747px;
  height: fit-content;
}
.nvidia-box.second .swiper-slide img {
  width: 100%;
  height: 462px;
}
.nvidia-box.second .swiper-content {
  padding: 28px 44px;
    background: linear-gradient(to right, #ac74fd, #235092);
  color: #fff;
}
.swiper-content .title {
  margin-bottom: 18px;
  padding-bottom: 6px;
  font-size: 26px;
  font-weight: 600;
  border-bottom: 2px solid #fff;
}
.swiper-content p {
  line-height: 30px;
  font-size: 20px;
  -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    vertical-align: baseline;
}
.rtx {
  height: 748px;
  padding-top: 32px;
  background: linear-gradient(to bottom, #ac74fd, #235092);
}
.rtx .layout {
  display: flex;
  justify-content: center;
}
/* -----------------------------------表单-------------------------------------------- */
.main-sixth {
  background: #fff;
}

.main-sixth h2 {
  font-size: 40px;
  color: #040404;
  margin-top: 60px;
  text-align: center;
}
#myForm {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
#myForm .form-group {
  margin-top: 40px;
}
#myForm .form-group.required::before {
  display: inline-block;
  content: "*";
  color: #ff3000;
  font-size: 18px;
  font-weight: bold;
}
#myForm .form-group label,
#myForm .form-group h3 {
  font-size: 18px !important;
  color: #333;
  font-weight: bold;
  display: inline-block;
}
#myForm .form-group label{
  width: 90px;
}
#myForm .form-group .form-control, .custom-multi-select {
  width: 280px;
  height: 40px;
  border: 2px solid #999;
  margin-left: 10px;
  padding: 0 15px;
}
#myForm .form-group select {
  height: 44px;
}
#myForm .form-group.width400 {
  width: 400px;
}
#myForm .form-group.width440 {
  width: 440px;
}
#myForm .form-group input.width193 {
  width: 193px;
}
#myForm .form-group input.width360 {
  width: 360px;
}
#myForm .form-group input.width514 {
  width: 514px;
}
#myForm .form-group input.width502 {
  width: 502px;
}
#myForm .form-group input.width147 {
  width: 234px;
}
#myForm .form-group select.width514 {
  width: 514px;
}
#myForm .form-group select.width404 {
  width: 404px;
}
#myForm .form-group select.width368 {
  width: 368px;
}
#myForm .form-group select.block, .custom-multi-select {
  display: block;
  margin-top: 25px;
  margin-left: 15px;
}
#myForm .form-group input.block {
  margin-top: 7px;
  margin-left: 15px;
}
#myForm .form-group div {
  margin-top: 30px;
}
#myForm .form-group .native-select,
#myForm .form-group .custom-multi-select {
  margin-top: 25px;
}
#myForm .form-group div span {
  margin-left: 15px;
}
#myForm .form-group.radio div span:last-child {
  margin-left: 150px;
}
#myForm .form-group div span input {
  width: 25px;
  height: 25px;
  display: inline-block;
  vertical-align: middle;
}
#myForm .form-group div span label {
  display: inline-block;
  vertical-align: middle;
  margin-left: 5px;
  font-size: 18px;
  color: #040404;
}
#myForm .form-group div.margin15 {
  margin-top: 15px;
}

#myForm .form-group.checkbox div span label {
  margin-left: 30px;
  color: #333;

  font-size: 18px;
  line-height: 24px;
}
#myForm .form-group.checkbox div span label a {
  color: #333;
}
#myForm .subscribe-checkbox {
  display: flex;
  flex-direction: column;
}
#myForm .subscribe-checkbox-item label {
  font-weight: bold;
}
#myForm .subscribe-checkbox-item + .subscribe-checkbox-item {
  margin-top: 30px;
}
#myForm .form-group.required-check {
  margin-top: 68px;
}
#myForm .form-group.required-check.checkbox div span label {
  position: relative;
  width: 980px;
  display: inline-block;
  vertical-align: top;
  font-weight: 500;
  line-height: 1.4;
}
#myForm .form-group.required-check.checkbox div span label::before {
  content: "*";
  position: absolute;
  left: -14px;
  color: #ff3000;
  font-size: 18px;
  font-weight: bold;
}
#myForm .form-group.required-check.checkbox div span:nth-child(2) {
  margin-left: 15px;
  width: auto;
}
#myForm .form-group.required-check.checkbox div span:nth-child(n + 2) {
  margin-top: 25px;
  display: inline-block;
}
#myForm .form-group.required-check.checkbox a {
  font-weight: bold;
  text-decoration: none;
  border-bottom: 2px solid rgb(9, 121, 248);
}
#myForm .tip {
  margin-left: 75px;
  margin-top: 25px;
  width: 100%;

  color: rgb(153, 153, 153);
  line-height: 1.188;
  text-align: justifyCenter;
}
#myForm .buy-plan {
  margin-left: 15px;
}
#myForm .buy-plan input {
  width: 25px;
  height: 25px;
  display: inline-block;
  vertical-align: middle;
}
#myForm .btn {
  width: 226px;
  height: 56px;
  background-color: rgb(10, 34, 62);
  font-size: 24px;
  color: #fff;
  border: none;
  display: block;
  margin: 80px auto 60px;
  cursor: pointer;
}
#myForm .form-group .error-message {
  color: #ff1200;
  font-size: 16px;
  margin-top: 10px;
}
#myForm .form-group.required-check .error-message {
  margin-top: 10px !important;
}
#myForm .form-group.required-check span:nth-child(1) .error-message {
  margin-left: 30px;
}
/* 外层容器 = 原生select外观 */
.custom-multi-select {
  position: relative;
  width: 1184px;
  height: 38px;
  cursor: pointer;
  user-select: none;
  font-size: 14px;
}

/* 选中展示区 */
  #myForm .form-group .select-input, #myForm .form-group  .native-select .text {
  margin-top: 0;
  padding: 8px 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #3f3f3f;
  font-size: 14px;
}

/* 下拉箭头（和原生完全一致） */
.custom-multi-select::after {
  content: "";
  position: absolute;
  top: 16px;
  right: 10px;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid #666;
}

/* 下拉面板 = 原生单选下拉面板视觉 */
.select-dropdown {
  position: absolute;
  top: calc(100% + 2px);
  left: 0;
  right: 0;
  border: 1px solid #ccc;
  background: #ffffff;
  z-index: 999;
  display: none;
}

/* 选项 = 原生单选选项样式 */
#myForm .form-group .select-option {
  margin-top: 0;
  padding: 8px 10px;
  color: #333;
  background: #fff;
}

/* 鼠标悬浮 = 原生选中效果 */
.select-option:hover {
  background: #0078d4;
  color: #fff;
}

/* 已选中选项高亮（原生视觉） */
#myForm .form-group .select-option.selected {
  background: #0078d4;
  color: #fff;
}

/* 展开下拉 */
#myForm .custom-multi-select.open .select-dropdown {
  display: block;
  margin-top: 0;
}
/* 下拉框容器 + 间距 */
#myForm .form-group .native-select {
  position: relative;
  display: inline-block;
  cursor: pointer;
  user-select: none;
  margin-top: 25px;
}
.native-select::after {
  content: "";
  position: absolute;
  top: 16px;
  right: 10px;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid #666;
}

/* 下拉选项 */
.native-select .options {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  border-radius: 8px;
  background: #fff;
  list-style: none;
  z-index: 9999;
  max-height: 220px;
  overflow-y: auto;
  border: 1px solid #ccc;
}

.native-select .options li {
  height: 30px;
  line-height: 30px;
  padding: 0 15px;
  font-size: 14px;
}
.native-select .options li:hover {
  background: #0078d4;
  color: #fff;
}
.native-select .options li:active {
  background: #f0f0f0;
}

/* 展开状态 */
.native-select.active .options {
  display: block;
}
.custom-label {
  position: relative;
}
#myForm .custom-label .native-select {
  margin-top: 7px;
}
.custom-label::before {
  position: absolute;
  left: -2px;
  top: 16px;
}
.custom-label label {
  padding-left: 12px;
  position: relative;
  transform: translateY(-10px);
}
/* -----------------------------------表单 end-------------------------------------------- */
/* 提交弹窗 */
.alert-wrap {
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
  display: flex;
  justify-content: center;
  align-items: center;
  display: none;
}
.alert-box {
  width: 716px;
  height: 375px;
  background: #fff;
  position: relative;
  text-align: center;
}
.alert-box .close-img {
  width: 30px;
  height: 30px;
  position: absolute;
  right: 20px;
  top: 10px;
}
.alert-box .submit-img {
  width: 107px;
  height: 66px;
  margin: 0 auto;
  margin-top: 110px;
}
.alert-box p {
  margin-top: 25px;
  font-size: 24px;
  color: #000;
}
/* 页尾 */
.footer {
  width: 100%;
  padding: 95px 0;
  background: #1062c4;
  text-align: center;
  margin-top: 65px;
}
.footer p {
  font-size: 14px;
  color: #fff;
  line-height: 30px;
}
.footer p a {
  color: #fff;
  margin: 0 10px;
  text-decoration: none;
}
.register1 {
  width: 204px;
  background: #1c1c1c;
  text-decoration: none;
  border: 2px solid #7effff;
  border-radius: 10px;
  padding: 17px 15px;
  margin-top: 50px;
}
.register1 span {
  display: inline-block;
  vertical-align: middle;
  font-size: 22px;
  color: #fff;
  line-height: 22px;
}
.register1 img {
  display: inline-block;
  margin-left: 15px;
  vertical-align: middle;
}
.register2 {
  width: 158px;
  background: #1c1c1c;
  text-decoration: none;
  border-radius: 5px;
  padding: 8px 0;
  margin: 17px 0 55px 44px;
}
.register2 span {
  display: inline-block;
  vertical-align: middle;
  font-size: 16px;
  color: #fff;
  margin-left: 10px;
}
.register2 img {
  width: 20px;
  height: 16px;
  display: inline-block;
  margin-left: 6px;
  vertical-align: middle;
}

.fc {
  width: 90px;
  height: 127px;
  background-color: rgb(11, 185, 218);
  position: fixed;
  z-index: 20;
  right: 120px;
  bottom: -200px;
  font-size: 22px;
  color: #fff;
  text-decoration: none;
  transition: bottom ease 2s;
}
.fc:hover {
  color: #fff;
}
.fc p {
  width: 50px;
  text-align: center;
  margin: 0 auto;
  margin-top: 10px;
}
.fc img {
  margin: 0 auto;
  margin-top: 5px;
}

.support-phone {
  display: flex;
  align-items: center;
  width: 250px;
  border: 2px solid #0979f8;
  height: 30px;
  margin: 0 auto 60px;
}
.support-phone_text {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 100%;
  background-color: #0979f8;
  color: #fff;
}
.support-phone_number {
  flex: 1;
  text-align: center;
  color: #0979f8;
}