header,footer {
  display: none;
}
main .container {
  max-width: 1000px;
  padding: 0;
  width: 100%;
}
.wrap-tit {
  margin-top: 78px;
  color: #171717;
  font-size: 34px;
  font-weight: 600;
  line-height: 1.8;
  /* 185.714% */
  letter-spacing: -0.015em;
}
.wrap-desc {
  margin-top: 6px;
  color: #525252;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  /* 160% */
}
.banner {
  padding-top: 60px;
  background: linear-gradient(180deg, rgba(0, 123, 255, 0.21) 0%, rgba(255, 255, 255, 0) 100%) no-repeat top center;
  background-size: 100% 400px;
}
.banner .banner-tip {
  width: fit-content;
  margin: 0 auto;
  padding: 8px 28px;
  color: #007bff;
  font-size: 14px;
  font-weight: 400;
  line-height: 1;
  /* 100% */
  border-radius: 1000px;
  background: rgba(72, 130, 255, 0.1);
}
.banner h1 {
  margin-top: 32px;
  color: #171717;
  text-align: center;
  font-size: 44px;
  font-weight: 600;
  line-height: 1.12;
  /* 139.286% */
  letter-spacing: -0.02em;
}
.banner .banner-desc {
  max-width: 620px;
  margin: 16px auto 0;
  color: #525252;
  text-align: center;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  /* 160% */
}
.banner .banner-quick {
  margin-top: 108px;
  padding: 30px;
  border-radius: 16px;
  background: #f6f9ff;
}
.banner .banner-quick .quick-tit {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 0;
  color: #1679ff;
  font-size: 18px;
  font-weight: 600;
  line-height: 0.8;
  /* 83.333% */
}
.banner .banner-quick p {
  margin-top: 12px;
  color: #525252;
  font-size: 16px;
  font-weight: 400;
  line-height: 28px;
  /* 155.556% */
}
.banner .video-wrap {
  position: relative;
  text-align: center;
  max-width: 824px;
  margin: 32px auto 0;
}
.banner .video-wrap video {
  width: 100%;
  border-radius: 20px;
  vertical-align: middle;
}
.banner .video-wrap .play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: none;
  cursor: pointer;
}
.banner .video-wrap .play-btn img {
  transition: all 0.3s;
}
.banner .video-wrap .play-btn:hover img {
  transform: scale(1.1);
}
.wrap1 .os-box {
  margin-top: 40px;
  display: flex;
  gap: 40px;
}
.wrap1 .os-box .os-item {
  flex: 1;
  padding: 38px 20px;
  border-radius: 26px;
  border: 1px solid #e8e8e8;
  background: #fff;
  box-shadow: 0 18px 37.1px 0 rgba(0, 0, 0, 0.06);
}
.wrap1 .os-box .os-tit {
  padding-left: 10px;
  margin-top: 16px;
  color: #171717;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.6;
  /* 325% */
}
.wrap1 .os-box .os-tax {
  padding-left: 10px;
  height: 32px;
  color: #525252;
  font-size: 16px;
  font-weight: 400;
  line-height: 2;
  /* 200% */
}
.wrap1 .os-box .os-desc {
  margin-top: 20px;
  border-top: 1px dashed rgba(179, 179, 179, 0.3);
  padding-left: 30px;
  padding-top: 20px;
}
.wrap1 .os-box .os-desc li {
  color: #525252;
  font-size: 16px;
  font-weight: 400;
  line-height: 2;
  list-style: disc;
}
.wrap1 .os-box .os-desc li::marker {
  color: #007bff;
}
.wrap1 .os-box .os-desc li:first-child {
  color: #007bff;
}
.wrap2 .step-box {
  margin-top: 54px;
  display: flex;
}
.wrap2 .step-cont {
  width: 480px;
}
.wrap2 .step-swiper {
  position: relative;
  overflow: hidden;
  width: 100%;
}
.wrap2 .step-swiper img {
  width: 100%;
  height: auto;
}
.wrap2 .step-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  border-top: 1px dashed rgba(55, 118, 218, 0.18);
  border-left: 1px dashed rgba(55, 118, 218, 0.18);
  border-bottom: 1px dashed rgba(55, 118, 218, 0.18);
}
.wrap2 .step-list .step-item {
  padding-left: 26px;
  padding-top: 26px;
  flex: 1;
  display: flex;
  align-items: flex-start;
  gap: 22px;
  cursor: pointer;
}
.wrap2 .step-list .step-item:not(:last-child) {
  border-bottom: 1px solid #dbe6f8;
}
.wrap2 .step-list .step-item.active .step-num {
  color: #fff;
  background: #2563eb;
  border-color: #2563eb;
}
.wrap2 .step-list .step-item.active .step-tit {
  color: #2563eb;
}
.wrap2 .step-list .step-top {
  max-width: 416px;
  flex: 1;
}
.wrap2 .step-list .step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.458px solid rgba(0, 0, 0, 0.2);
  color: #ccc;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  /* 150% */
  box-sizing: border-box;
}
.wrap2 .step-list .step-tit {
  color: #525252;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.3;
  /* 125% */
}
.wrap2 .step-list .step-desc {
  margin-top: 10px;
  color: #737373;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.4;
  /* 144.444% */
}
.wrap2 .connect-btn {
  display: block;
  width: fit-content;
  margin: 44px auto 0;
  padding: 17px 69px;
  border-radius: 36px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: radial-gradient(110.77% 110% at 50.93% 90%, #74caff 0%, rgba(89, 179, 255, 0) 100%), #3b72ff;
  box-shadow: 0 2px 6.4px 0 rgba(255, 255, 255, 0.94), 0 3px 10px 0 rgba(77, 179, 255, 0.4);
  color: #fff;
  font-size: 16px;
  font-weight: 400;
  line-height: 1;
  /* 100.26% */
  transition: all 0.3s;
}
.wrap2 .connect-btn:hover {
  transform: translateY(-6px);
}
.wrap3 .faq-list {
  margin-top: 30px;
}
.wrap3 .faq-list .faq-item {
  margin-bottom: 12px;
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.05);
  background: #fff;
  margin-bottom: 20px;
  overflow: hidden;
  transition: all 0.3s;
}
.wrap3 .faq-list .faq-item.active .faq-answer {
  max-height: 1000px;
  overflow: hidden;
  visibility: visible;
  opacity: 1;
  padding: 0 30px 20px;
  background: #fff;
}
.wrap3 .faq-list .faq-item.active .faq-arrow span:last-child {
  transform: rotate(0);
}
.wrap3 .faq-list .faq-question {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  cursor: pointer;
}
.wrap3 .faq-list .faq-text {
  color: #171717;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  /* 141.667% */
}
.wrap3 .faq-list .faq-answer {
  padding: 0 30px;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all 0.3s;
  color: #3a3a3a;
  font-size: 16px;
  font-weight: 400;
  line-height: 160%;
}
.wrap3 .faq-list .faq-answer p {
  margin-bottom: 12px;
}
.wrap3 .faq-list .faq-answer ul {
  padding-left: 20px;
}
.wrap3 .faq-list .faq-answer li {
  list-style: disc;
  margin-top: 10px;
}
.wrap3 .faq-list .faq-arrow {
  position: relative;
  width: 12px;
  height: 12px;
}
.wrap3 .faq-list .faq-arrow span {
  position: absolute;
  width: 12px;
  height: 2px;
  background: #737373;
  border-radius: 36px;
  transition: all 0.3s;
}
.wrap3 .faq-list .faq-arrow span:first-child {
  top: 5px;
  left: 0;
}
.wrap3 .faq-list .faq-arrow span:last-child {
  top: 5px;
  left: 0;
  transform: rotate(90deg);
}
.wrap3 .usb-box {
  padding: 36px 40px;
  margin-top: 66px;
  border-radius: 16px;
  background: #f6f9ff;
}
.wrap3 .usb-box .usb-tit {
  margin-top: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #1679ff;
  font-size: 18px;
  font-weight: 600;
  line-height: 20px;
  /* 83.333% */
}
.wrap3 .usb-box p {
  margin-top: 12px;
  color: #525252;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  /* 155.556% */
}
.wrap4 {
  position: relative;
  margin-top: 90px;
  padding: 90px 0 84px;
  background: url('https://img.tunefab.com/uploads/page/landing-page/tunefab-player/wrap4-bg.webp') no-repeat center / cover;
}
main .wrap4 .container {
  position: relative;
  z-index: 9;
}
.wrap4 .wrap-tit {
  font-size: 42px;
  text-align: center;
  color: #fff;
  margin-top: 0;
}
.wrap4 .wrap-desc {
  font-size: 20px;
  text-align: center;
  color: #fff;
}
.wrap4 .down-box {
  margin-top: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}
.wrap4 .down-box a {
  display: block;
}
.wrap4 .down-box img {
  cursor: pointer;
  transition: all 0.3s;
}
.wrap4 .down-box img:hover {
  transform: translateY(-6px);
}
.connect-box {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  place-items: center;
  padding: 24px;
  background: rgba(11, 18, 32, 0.46);
  backdrop-filter: blur(14px);
}
.connect-box.is-active {
  display: grid;
}
.connect-box .connect-cont {
  position: relative;
  width: min(560px, 100%);
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 34px 100px rgba(11, 18, 32, 0.24);
  max-height: 90vh;
  overflow-y: auto;
}
.connect-box .close-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  display: block;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 999px;
  background: #f2f6fb;
  color: #565f6b;
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
  transition: all 0.3s;
}
.connect-box .close-btn:hover {
  transform: rotate(180deg);
}
.connect-box h2 {
  margin: 0;
  padding-right: 42px;
  font-size: 32px;
  line-height: 1.16;
  color: #171717;
}
.connect-box p {
  margin: 12px 0 0;
  color: #525252;
  font-size: 16px;
  line-height: 1.56;
}
.connect-box .conect-form {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}
.connect-box .conect-form label {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  border: 1px solid #e6edf6;
  border-radius: 14px;
  color: #202124;
  cursor: pointer;
  font-size: 15px;
  line-height: 1.42;
}
.connect-box .conect-form label:hover {
  border-color: rgba(0, 122, 255, 0.34);
  background: #f7fbff;
}
.connect-box .conect-form input {
  margin-top: 2px;
  accent-color: #007aff;
}
.connect-box .other-textarea {
  display: block;
  width: 100%;
  min-height: 82px;
  margin-top: -1px;
  padding: 13px 16px;
  border: 1px solid rgba(0, 122, 255, 0.48);
  border-radius: 0 0 14px 14px;
  color: #202124;
  font: inherit;
  font-size: 15px;
  line-height: 1.45;
  outline: none;
  resize: vertical;
  box-sizing: border-box;
}
.connect-box .other-option label {
  border-radius: 14px 14px 0 0;
}
.connect-box .other-option:has(input:checked) label {
  border-color: rgba(0, 122, 255, 0.48);
  background: #f7fbff;
}
.connect-box .connect-btn {
  display: flex;
  align-items: center;
  justify-content: end;
  gap: 12px;
  margin-top: 26px;
}
.connect-box .connect-btn .connect-cancel {
  border: 1px solid #d8e4f2;
  background: #fff;
  color: #007aff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
  transition: all 0.3s;
}
.connect-box .connect-btn .connect-cancel:hover {
  transform: translateY(-6px);
}
.connect-box .connect-btn .connect-continue {
  border: 0;
  background: linear-gradient(90deg, #4882ff, #e12afb);
  color: #fff;
  box-shadow: 0 18px 42px rgba(72, 130, 255, 0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
  transition: all 0.3s;
}
.connect-box .connect-btn .connect-continue:hover {
  transform: translateY(-6px);
}
.connect-success-toast {
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: 80;
  padding: 16px 28px;
  border-radius: 999px;
  background: rgba(23, 23, 23, 0.92);
  box-shadow: 0 18px 42px rgba(11, 18, 32, 0.22);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  line-height: 1;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, calc(-50% + 12px)) scale(0.96);
  transition: opacity 0.28s ease, transform 0.28s ease;
}
.connect-success-toast.is-active {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}
@media (max-width: 1200px) {
  main .container {
    padding: 0 15px;
  }
  .wrap2 .step-cont {
    width: 480px;
  }
  .wrap4::before {
    content: none;
  }
}
@media (max-width: 996px) {
  .wrap2 .step-box {
    flex-direction: column;
  }
  .wrap2 .step-cont {
    width: 568px;
    margin: 0 auto;
  }
  .wrap2 .step-list {
    width: 568px;
    margin: 0 auto;
    border-right: 1px dashed rgba(55, 118, 218, 0.18);
  }
  .wrap2 .step-list .step-item {
    padding: 20px;
  }
}
@media (max-width: 768px) {
  .wrap-tit {
    margin-top: 40px;
    font-size: 24px;
    line-height: 1.2;
  }
  .wrap-desc {
    font-size: 12px;
  }
  .banner {
    padding-top: 30px;
  }
  .banner .banner-tip {
    padding: 10px 32px;
    font-size: 16px;
  }
  .banner h1 {
    margin-top: 24px;
    font-size: 32px;
  }
  .banner .banner-desc {
    margin: 12px auto 0;
    font-size: 14px;
  }
  .banner .banner-quick {
    margin-top: 24px;
    padding: 16px;
  }
  .banner .banner-quick .quick-tit {
    font-size: 18px;
  }
  .banner .banner-quick .quick-tit img {
    width: 20px;
    height: 20px;
  }
  .banner .banner-quick p {
    font-size: 14px;
    line-height: 1.8;
  }
  .banner .video-wrap {
    margin: 24px auto 0;
  }
  .banner .video-wrap video {
    height: auto;
    border-radius: 12px;
  }
  .banner .video-wrap .play-btn img {
    width: 60px;
    height: 60px;
  }
  .wrap1 .os-box {
    margin-top: 20px;
    flex-direction: column;
    gap: 20px;
  }
  .wrap1 .os-box .os-item {
    padding: 24px 12px;
    border-radius: 16px;
  }
  .wrap1 .os-box .os-tax {
    font-size: 14px;
    height: auto;
    line-height: 1.8;
  }
  .wrap1 .os-box .os-desc li {
    font-size: 14px;
  }
  .wrap2 .step-box {
    margin-top: 32px;
  }
  .wrap2 .step-list {
    width: 100%;
  }
  .wrap2 .step-list .step-tit {
    font-size: 18px;
  }
  .wrap2 .step-list .step-item {
    gap: 14px;
    padding: 14px;
  }
  .wrap2 .step-list .step-num {
    width: 26px;
    height: 26px;
    border-width: 1px;
    font-size: 12px;
  }
  .wrap2 .step-list .step-tit {
    font-size: 16px;
  }
  .wrap2 .step-list .step-desc {
    margin-top: 6px;
    font-size: 12px;
  }
  .wrap2 .step-cont {
    width: 100%;
  }
  .wrap2 .step-cont img {
    width: 100%;
    height: auto;
  }
  .wrap2 .connect-btn {
    margin: 36px auto 0;
    padding: 14px 64px;
    font-size: 18px;
  }
  .wrap3 .faq-list .faq-question {
    padding: 14px 16px;
  }
  .wrap3 .faq-list .faq-item {
    border-radius: 12px;
    margin-bottom: 16px;
  }
  .wrap3 .faq-list .faq-item.active .faq-answer {
    padding: 0 16px 14px;
  }
  .wrap3 .faq-list .faq-text {
    font-size: 16px;
  }
  .wrap3 .faq-list .faq-answer {
    padding: 0 16px;
    font-size: 14px;
  }
  .wrap3 .usb-box {
    padding: 16px 20px;
    margin-top: 36px;
  }
  .wrap3 .usb-box .usb-tit {
    font-size: 16px;
  }
  .wrap3 .usb-box .usb-tit img {
    width: 20px;
    height: 20px;
  }
  .wrap3 .usb-box p {
    font-size: 14px;
  }
  .wrap4 {
    margin-top: 60px;
    padding: 40px 0;
  }
  .wrap4 .down-box {
    margin-top: 20px;
    gap: 14px;
  }
  .wrap4 .down-box a {
    flex: 1;
  }
  .wrap4 .down-box img {
    width: 100%;
    height: auto;
  }
  .wrap4 .wrap-tit {
    font-size: 24px;
  }
  .wrap4 .wrap-desc {
    font-size: 12px;
  }
  .connect-box {
    padding: 16px;
  }
  .connect-box .connect-cont {
    width: 100%;
    padding: 18px 12px;
  }
  .connect-box h2 {
    font-size: 24px;
  }
  .connect-box p {
    margin: 8px 0 0;
    font-size: 14px;
  }
  .connect-box .conect-form {
    margin-top: 16px;
  }
  .connect-box .conect-form label {
    gap: 6px;
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 12px;
  }
  .connect-box .other-option label {
    border-radius: 12px 12px 0 0;
  }
  .connect-box .other-textarea {
    font-size: 12px;
    padding: 12px;
  }
  .connect-box .connect-btn .connect-cancel,
  .connect-box .connect-btn .connect-continue {
    font-size: 14px;
    min-height: 40px;
  }
}