@import "global.css";
* {
  margin: 0;
  padding: 0;
}
html,
body {
  width: 100%;
}
a {
  text-decoration: none;
}
li {
  list-style: none;
}
body {
  font-family: 'Rubik', sans-serif;
  font-style: normal;
}
.pc-style {
  display: block;
}
.mobile-style {
  display: none;
}
.banner {
  position: relative;
  box-sizing: border-box;
  width: 100%;
  background: linear-gradient(180deg, #F3F8F9 0%, #F3F8F8 81.32%);
  padding: 50px 0;
}
.banner::before,
.banner::after {
  position: absolute;
  content: '';
  width: 180px;
  height: 180px;
  background-repeat: no-repeat;
  background-size: 100% 100%;
}
.banner::before {
  top: 0;
  left: 0;
  background-image: url('https://cdn.tunefab.net/img/guide/banner_before.svg');
}
.banner::after {
  bottom: 0;
  right: 0;
  background-image: url('https://cdn.tunefab.net/img/guide/banner_after.svg');
}
.banner .content {
  position: relative;
  z-index: 120;
  width: 1080px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.banner .content .title {
  width: 60%;
  font-weight: 700;
  font-size: 36px;
  line-height: 125.68%;
  text-align: center;
  color: #080F30;
}
.banner .content .desc {
  font-weight: 400;
  font-size: 24px;
  line-height: 146.68%;
  text-align: center;
  color: #3F4354;
  margin: 8px 0 16px;
}
.banner .content .download-btn {
  display: flex;
  justify-content: space-around;
  width: 50%;
  margin-bottom: 16px;
}
.banner .content .download-btn .btn-item {
  box-sizing: border-box;
  width: 45%;
  padding: 10px 0;
  border-radius: 7px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.banner .content .download-btn .btn-item img {
  margin: -2px 10px 0 0;
}
.banner .content .download-btn .btn-item span {
  font-weight: 500;
  font-size: 18px;
  line-height: 173.9%;
  color: #FFFFFF;
}
.banner .content .download-btn .win-btn {
  background: #2D8F5D;
}
.banner .content .download-btn .win-btn:hover {
  background: #16603A;
}
.banner .content .download-btn .mac-btn {
  background: #4690E5;
}
.banner .content .download-btn .mac-btn img {
  margin: -5px 10px 0 0;
}
.banner .content .download-btn .mac-btn:hover {
  background: #2261A9;
}
.banner .content .tip {
  font-weight: 400;
  font-size: 18px;
  line-height: 146.68%;
  text-align: center;
  color: #9497A4;
}
main {
  width: 1080px;
  height: auto;
  margin: 100px auto;
  display: flex;
  align-items: flex-start;
}
main aside {
  width: 286px;
  background: #FFFFFF;
  border: 1px solid #DBDDE8;
  border-radius: 10px;
}
main aside .title {
  box-sizing: border-box;
  width: 100%;
  height: 76px;
  background: #F8F9FB;
  border-bottom: 1px solid #DBDDE8;
  border-radius: 10px 10px 0px 0px;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
main aside .title .title-text {
  font-weight: 700;
  font-size: 24px;
  line-height: 146.68%;
  color: #000000;
}
main aside .title .title-icon {
  display: none;
  width: 20px;
  height: 20px;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-image: url('https://cdn.tunefab.net/img/guide/up_arrow.svg');
}
main aside .content {
  display: flex;
  justify-content: space-between;
  width: 100%;
  height: auto;
  margin: 20px 0;
}
main aside .content .line {
  position: relative;
  width: 5px;
}
main aside .content .line .current-line {
  position: absolute;
  top: 0;
  width: 5px;
  height: 15px;
  background: #4690E5;
  transition: all 0.5s;
}
main aside .content ul {
  width: 90%;
}
main aside .content ul li {
  font-weight: 400;
  font-size: 18px;
  color: #9497A4;
  margin-bottom: 20px;
  cursor: pointer;
  transition: all 0.5s;
  word-wrap: break-word;
}
main article {
  box-sizing: border-box;
  width: 70%;
}
main article section {
  box-sizing: border-box;
  width: 100%;
  display: none;
  padding: 0 30px 0 50px;
}
main article section .part-title {
  font-weight: 700;
  font-size: 24px;
  line-height: 146.68%;
  color: #000000;
}
main article section .divider {
  width: 37px;
  height: 4px;
  background: #2D8F5D;
  margin: 10px 0;
}
main article section .part-step {
  margin: 30px 0;
}
main article section .part-step .step-title {
  font-weight: 500;
  font-size: 22px;
  line-height: 120.18%;
  color: #000000;
}
main article section .part-step .step-desc {
  font-weight: 400;
  font-size: 16px;
  line-height: 150%;
  color: #7f828f;
  margin: 10px 0;
}
main article section .download-btn {
  width: 100%;
  height: 40px;
  display: flex;
  margin: 30px 0;
}
main article section .download-btn .btn-item {
  box-sizing: border-box;
  width: 25%;
  padding: 10px 0;
  border: 1px solid #4596E5;
  border-radius: 7px;
  margin-right: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.13);
}
main article section .download-btn .btn-item .btn-text {
  font-weight: 400;
  font-size: 14px;
  line-height: 188.51%;
}
main article section .download-btn .btn-item .btn-icon {
  width: 15px;
  height: 15px;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  margin: -2px 0 0 10px;
}
main article section .download-btn .win-btn {
  background: #FFFFFF;
}
main article section .download-btn .win-btn .btn-text {
  color: #4596E5;
}
main article section .download-btn .win-btn .btn-icon {
  background-image: url('https://cdn.tunefab.net/img/guide/win_blue.svg');
}
main article section .download-btn .win-btn:hover {
  background: #4596E5;
}
main article section .download-btn .win-btn:hover .btn-text {
  color: #FFFFFF;
}
main article section .download-btn .win-btn:hover .btn-icon {
  background-image: url('https://cdn.tunefab.net/img/guide/win.svg');
}
main article section .download-btn .mac-btn {
  background: #4596E5;
}
main article section .download-btn .mac-btn .btn-text {
  color: #FFFFFF;
}
main article section .download-btn .mac-btn .btn-icon {
  background-image: url('https://cdn.tunefab.net/img/guide/mac.svg');
  margin: -5px 0 0 10px;
}
main article section .download-btn .mac-btn:hover {
  background: #FFFFFF;
}
main article section .download-btn .mac-btn:hover .btn-text {
  color: #4596E5;
}
main article section .download-btn .mac-btn:hover .btn-icon {
  background-image: url('https://cdn.tunefab.net/img/guide/mac_blue.svg');
  margin: -5px 0 0 10px;
}
main article section p, main article section ul {
  font-weight: 400;
  font-size: 16px;
  line-height: 150.68%;
  color: #7F828F;
  margin: 10px 0 20px;
}
main article section ul {
  padding-left: 1em;
}
main article section li {
  list-style: disc;
}
main article section p .audiobook {
  border-bottom: 2px solid #f54a45;
}
main article section p .internal-link {
  color: #3a7fff;
}
main article section img {
  margin-bottom: 20px;
  width: 100%;
}
main article section h3 {
  font-weight: 500;
  font-size: 22px;
  line-height: 146.68%;
  color: #000000;
  margin: 10px 0;
}
main article section h4 {
  font-weight: 500;
  font-size: 20px;
  line-height: 146.68%;
  color: #000000;
}
.resources {
  width: 1080px;
  margin: 20px auto;
  border-top: 1px solid #DBDDE8;
}
.resources .content {
  width: 100%;
  display: flex;
  justify-content: space-between;
  margin-top: 50px;
}
.resources .content .content-part {
  width: 47%;
}
.resources .content .content-part .title {
  width: 100%;
  display: flex;
  align-items: center;
}
.resources .content .content-part .title .title-text {
  font-weight: 600;
  font-size: 24px;
  line-height: 146.68%;
  color: #080F30;
  margin-left: 10px;
}
.resources .content .content-part ul {
  list-style: none;
  margin-top: 20px;
}
.resources .content .content-part ul li {
  display: flex;
  margin-bottom: 20px;
}
.resources .content .content-part ul li span {
  box-sizing: content-box;
  width: 4px;
  height: 4px;
  background-color: #3AC0CB;
  border: 4px solid rgba(244, 252, 252, 0.79);
  border-radius: 50%;
  margin: 9px 10px 0 0;
  flex-shrink: 0;
}
.resources .content .content-part ul li a {
  font-weight: 400;
  font-size: 18px;
  line-height: 150%;
  color: #53576F;
}
.resources .content .content-part ul li a:hover {
  text-decoration: underline;
}
.help {
  position: relative;
  box-sizing: border-box;
  padding: 50px 0;
  background: #FFF6EE;
  width: 100%;
  height: auto;
}
.help::before,
.help::after {
  position: absolute;
  top: 0;
  content: '';
  z-index: 10;
  width: 150px;
  height: 100%;
  background-repeat: no-repeat;
  background-size: 100% 100%;
}
.help::before {
  left: 0;
  background-image: url('https://cdn.tunefab.net/img/guide/help_before.svg');
}
.help::after {
  right: 0;
  background-image: url('https://cdn.tunefab.net/img/guide/help_after.svg');
}
.help .content {
  position: relative;
  z-index: 120;
  width: 1080px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.help .content .title {
  font-weight: 700;
  font-size: 36px;
  line-height: 146.68%;
  color: #080F30;
}
.help .content .desc {
  font-weight: 400;
  font-size: 24px;
  line-height: 146.68%;
  text-align: center;
  color: #3F4354;
  margin: 10px 0;
}
.help .content .contact {
  box-sizing: border-box;
  padding: 12px 48px;
  background: #4690E5;
  border-radius: 7.10627px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 25px;
}
.help .content .contact .contact-icon {
  display: block;
  width: 15px;
  height: 15px;
  background: url('https://cdn.tunefab.net/img/guide/contact_icon.svg') no-repeat;
  background-size: 100% 100%;
  margin-right: 10px;
}
.help .content .contact .contact-text {
  font-weight: 500;
  font-size: 18px;
  line-height: 173.9%;
  color: #FFFFFF;
}
.list-dis{
  font-weight: 400;
  font-size: 16px;
  line-height: 150.68%;
  color: #7F828F;
  margin: 10px 0 20px;
  list-style: disc;
}
@media screen and (max-width: 768px) {
  .pc-style {
    display: none !important;
  }
  .mobile-style {
    display: block;
  }
  .banner::before,
  .banner::after {
    content: '';
    width: 0;
    height: 0;
    background-image: none;
  }
  .banner .content {
    width: 90%;
  }
  .banner .content .title {
    width: 90%;
    font-size: 24px;
  }
  .banner .content .desc {
    width: 90%;
    font-size: 16px;
  }
  .banner .content .download-btn {
    width: 100%;
    flex-direction: column;
    align-items: center;
    margin-bottom: 16px;
  }
  .banner .content .download-btn .btn-item {
    width: 90%;
    margin-bottom: 15px;
  }
  .banner .content .tip {
    font-size: 14px;
  }
  main {
    width: 90%;
    margin: 20px auto;
    flex-direction: column;
    align-items: center;
  }
  main .mobile-catalog-fix {
    box-sizing: border-box;
    position: fixed;
    top: 40%;
    left: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    width: 50px;
    height: 40px;
    background: #FFFFFF;
    z-index: 200;
    border-radius: 0 6px 6px 0;
    box-shadow: 1px 1px 3px rgba(21, 41, 76, 0.15);
    padding: 10px 0;
  }
  main .mobile-catalog-fix span {
    display: block;
    width: 25px;
    border-top: 4px solid #3a7fff;
    flex-shrink: 0;
  }
  main .mobile-catalog-content {
    box-sizing: border-box;
    position: fixed;
    top: 24%;
    left: 10px;
    width: 80%;
    background: #FFFFFF;
    box-shadow: 1px 1px 3px rgba(21, 41, 76, 0.15);
    border-radius: 6px;
    z-index: 200;
    padding: 20px 20px 0;
    display: none;
  }
  main .mobile-catalog-content .mobile-catalog-title {
    display: flex;
    justify-content: space-between;
    font-weight: 700;
    font-size: 22px;
    line-height: 146.68%;
    color: #000000;
    margin-bottom: 10px;
    border-bottom: 1px solid #ccc;
  }
  main .mobile-catalog-content .mobile-catalog-title .close {
    display: block;
    width: 16px;
    height: 16px;
    background: url('https://cdn.tunefab.net/img/guide/colse.svg') no-repeat;
    background-size: 100% 100%;
    margin: -8px;
  }
  main .mobile-catalog-content a {
    display: flex;
    font-weight: 400;
    font-size: 18px;
    color: #333333;
    margin-bottom: 20px;
  }
  main .mobile-catalog-content a::before {
    content: '·';
    display: block;
    font-size: 30px;
    color: #4596e5;
    margin: -8px 10px 0 0;
  }
  main article {
    width: 100%;
    margin-top: 20px;
  }
  main article section {
    padding: 0;
    display: block;
    margin-top: 30px;
  }
  main article section .part-title {
    font-size: 20px;
  }
  main article section .divider {
    margin: 20px 0;
  }
  main article section .part-step {
    margin: 30px 0;
  }
  main article section .part-step .step-title {
    font-size: 14px;
    line-height: 150.68%;
  }
  main article section .part-step .step-desc {
    font-size: 14px;
    line-height: 150.68%;
  }
  main article section .download-btn {
    justify-content: space-between;
  }
  main article section .download-btn .btn-item {
    width: 45%;
    margin-right: 0;
  }
  main article section p {
    font-size: 14px;
  }
  main article section img {
    width: 100%;
  }
  main article section .part-video {
    width: 100%;
  }
  .resources {
    width: 90%;
  }
  .resources .content {
    width: 100%;
    flex-direction: column;
    margin-top: 30px;
  }
  .resources .content .content-part {
    width: 100%;
    margin-bottom: 40px;
  }
  .resources .content .content-part .title {
    width: 100%;
    align-items: flex-start;
  }
  .help {
    padding: 30px 0;
  }
  .help::before,
  .help::after {
    width: 0;
    height: 0;
    background: none;
  }
  .help .content {
    width: 90%;
  }
  .help .content .title {
    font-size: 24px;
    text-align: center;
  }
  .help .content .desc {
    font-size: 16px;
    text-align: center;
  }
}