* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  width: 100vw;
  overflow-x: hidden;
}

.index {
  width: 100vw;
  overflow-x: hidden;
}

a {
  text-decoration: none;
}

/* section-1 */
.index-section-1 {
  width: 100vw;
  background: url('./assets/index-section-1-bg.png') no-repeat center center;
  background-size: 100% 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 0 148px 0;
}

.index-section-1-logo {
  display: flex;
  align-items: center;
}

.index-section-1-logo img {
  width: 96px;
  height: 96px;
}

.index-section-1-logo h1 {
  font-size: 36px;
  font-weight: bold;
  color: #3d3d3d;
  display: flex;
  align-items: center;
  gap: 60px;
}

.index-section-1-description {
  color: #3d3d3d;
  font-size: 20px;
  font-weight: normal;
  position: relative;
  top: -20px;
}

.index-section-1-slogan-1 {
  margin-top: 75px;
  color: #3d3d3d;
  font-size: 24px;
  font-weight: bold;
}

.index-section-1-slogan-2 {
  color: #3d3d3d;
  font-size: 24px;
  font-weight: bold;
}

.index-section-1-download {
  margin-top: 90px;
  background: #000000;
  width: 297px;
  height: 85px;
  border-radius: 23px;
  color: #ffffff;
  font-size: 36px;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  transition-duration: 300ms;
  text-decoration: none;
  cursor: pointer;
}

.index-section-1-download img {
  width: 40px;
  height: 40px;
}

.index-section-1-download:active {
  transform: scale(0.98);
}

.index-section-1-tag {
  margin-top: 90px;
  display: flex;
  align-items: center;
  gap: 90px;
  font-size: 40px;
  font-weight: bold;
  color: #000000;
}

.index-section-1-tag-description {
  color: #3d3d3d;
  font-size: 36px;
  font-weight: normal;
  display: flex;
  align-items: center;
  gap: 10px;
}

.index-section-1-data {
  display: flex;
  align-items: center;
  gap: 230px;
  margin-top: 63px;
}

.index-section-1-data-item {
  background: rgba(255, 255, 255, 0.6);
  border-radius: 27px;
  width: 204px;
  height: 130px;
  color: #3d3d3d;
  display: flex;
  flex-direction: column;
  padding: 16px;
}

.index-section-1-data-item-number {
  font-size: 48px;
  font-weight: bold;
}

.index-section-1-data-item-description {
  font-size: 20px;
  font-weight: normal;
}

/* section-2 */
.index-section-2 {
  width: 100vw;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 0 116px 31px 116px;
  color: #3d3d3d;
}

.index-section-2-title {
  font-size: 48px;
  font-weight: bold;
}

.index-section-2-description {
  font-size: 20px;
  font-weight: 350;
  margin-top: 30px;
}

.index-section-2-items {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: 100px;
  row-gap: 20px;
  border-radius: 42px;
  margin-top: 72px;
  padding: 61px 72px;
  background: linear-gradient(106deg, #eff7e0 -2%, #eaf9f2 57%, #f4f9f5 98%);
}

.index-section-2-item {
  background: #ffffff;
  width: 460px;
  display: flex;
  align-items: center;
  gap: 27px;
  font-size: 30px;
  font-weight: normal;
  border-radius: 5px;
}

.index-section-2-item img {
  width: 110px;
  height: 110px;
}

.index-section-2-content {
  width: 1118px;
  max-width: 90%;
  margin-top: 70px;
  font-size: 30px;
  font-weight: 350;
  line-height: normal;
}

/* section-3 */
.index-section-3 {
  position: relative;
  width: 100vw;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: #3d3d3d;
  padding: 94px 135px;
}

.index-section-3-bg {
  position: absolute;
  top: 0;
  right: 19px;
  color: rgba(233, 247, 247, 0.8);
  font-size: 144px;
  font-weight: bold;
  width: 847px;
  height: 418px;
  text-align: right;
  z-index: -1;
}

.index-section-3-title {
  font-size: 48px;
  font-weight: bold;
}

.index-section-3-subtitle {
  font-size: 30px;
  font-weight: normal;
  margin-top: 7px;
}

.index-section-3-content {
  margin-top: 92px;
  display: flex;
  align-items: center;
  gap: 120px;
}

.index-section-3-content img {
  width: 717px;
  height: 457px;
  border-radius: 15px;
}

.index-section-3-content-items {
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.index-section-3-content-item {
  font-size: 22px;
  font-weight: normal;
  display: flex;
  flex-direction: column;
}

.index-section-3-content-item-title {
  color: #d4b45b;
  font-size: 36px;
  font-weight: 500;
}

/* section-4 */
.index-section-4 {
  position: relative;
  width: 100vw;
  color: #3d3d3d;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 94px 135px;
}

.index-section-4-bg {
  position: absolute;
  top: 20%;
  font-size: 144px;
  font-weight: bold;
  width: 100%;
  color: rgba(238, 249, 235, 0.8);
  text-align: center;
  z-index: -1;
}

.index-section-4-title {
  font-size: 48px;
  font-weight: bold;
}

.index-section-4-subtitle {
  font-size: 30px;
  font-weight: normal;
  margin-top: 7px;
}

.index-section-4-content {
  margin-top: 92px;
  display: flex;
  align-items: center;
  gap: 120px;
}

.index-section-4-content img {
  width: 717px;
  height: 457px;
  border-radius: 15px;
}

.index-section-4-content-items {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: 17px;
  row-gap: 31px;
}

.index-section-4-content-item {
  border-radius: 25px;
  width: 211px;
  height: 203px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 0 26px;
}

.index-section-4-content-item:nth-child(1) {
  background: #e9f7f7;
}
.index-section-4-content-item:nth-child(2) {
  background: #ebf8f1;
}
.index-section-4-content-item:nth-child(3) {
  background: #eef9eb;
}
.index-section-4-content-item:nth-child(4) {
  background: #e9f7f7;
}

.index-section-4-content-item-title {
  font-size: 24px;
  font-weight: 500;
}

/* section-5 */
.index-section-5 {
  position: relative;
  width: 100vw;
  color: #3d3d3d;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 94px 135px;
}

.index-section-5-bg {
  position: absolute;
  top: 10%;
  left: 48px;
  width: 789px;
  height: 418px;
  font-size: 144px;
  font-weight: bold;
  color: rgba(247, 250, 241, 0.8);
  z-index: -1;
}

.index-section-5-title {
  font-size: 48px;
  font-weight: bold;
}

.index-section-5-subtitle {
  font-size: 30px;
  font-weight: normal;
  margin-top: 7px;
}

.index-section-5-content {
  margin-top: 92px;
  display: flex;
  align-items: center;
  gap: 120px;
}

.index-section-5-content img {
  width: 642px;
  height: 584px;
  border-radius: 5px;
  border: 1px dashed #cdcbcb;
}

.index-section-3-content-items {
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.index-section-3-content-item {
  font-size: 22px;
  font-weight: normal;
  display: flex;
  flex-direction: column;
}

.index-section-3-content-item-title {
  color: #d4b45b;
  font-size: 36px;
  font-weight: 500;
}

/* section-6 */
.index-section-6 {
  width: 100vw;
  color: #3d3d3d;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 88px 100px;
}

.index-section-6-content {
  margin-top: 90px;
  display: flex;
  align-items: center;
  gap: 156px;
}

.index-section-6-content-item {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  background: #f7f7f7;
  width: 202px;
  height: 206px;
  border-radius: 34px;
  font-size: 24px;
  font-weight: normal;
  cursor: pointer;
  color: #3d3d3d;
}

.index-section-6-content-item.disabled {
  cursor: not-allowed;
}

.index-section-6-content-item img {
  width: 50px;
  height: 50px;
}

.index-section-6-content-item-title {
  margin-top: 15px;
}

/* section-7 */
.index-section-7 {
  width: 100vw;
  color: #3d3d3d;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 88px 100px;
}

.index-section-7-title {
  font-size: 24px;
  font-weight: bold;
}

.index-section-7-subtitle {
  font-size: 24px;
  font-weight: bold;
}

.index-section-7-add-customer-service {
  font-size: 20px;
  font-weight: normal;
  margin-top: 90px;
}

.index-section-7-qrcode-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 252px;
  height: 252px;
  border-radius: 15px;
  margin-top: 10px;
  background: #ffffff;
  box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.3);
}

.index-section-7-qrcode-container img {
  width: 224.26px;
  height: 224.26px;
}

.index-section-7-copyright {
  font-size: 12px;
  font-weight: bold;
  margin-top: 40px;
}

.index-section-7-ba{
  display: flex;
  align-items: center;
  gap: 20px;
  color: #3d3d3d;
  margin-top: 10px;
}

.index-section-7-ba a {
  text-decoration: none;
  color: #3d3d3d;
}

.index-section-7-ba a img {
  width: 14px;
  height: 14px;
}

/* ==================== Tablet (≤1024px) ==================== */
@media screen and (max-width: 1024px) {
  /* Section 1 */
  .index-section-1 {
    padding: 48px 40px 80px;
  }
  .index-section-1-logo img {
    width: 72px;
    height: 72px;
  }
  .index-section-1-logo h1 {
    font-size: 28px;
    gap: 30px;
  }
  .index-section-1-description {
    font-size: 16px;
  }
  .index-section-1-slogan-1 {
    margin-top: 50px;
    font-size: 20px;
  }
  .index-section-1-slogan-2 {
    font-size: 20px;
  }
  .index-section-1-download {
    margin-top: 60px;
    width: 240px;
    height: 68px;
    font-size: 28px;
  }
  .index-section-1-download img {
    width: 32px;
    height: 32px;
  }
  .index-section-1-tag {
    margin-top: 60px;
    gap: 50px;
    font-size: 32px;
  }
  .index-section-1-tag-description {
    font-size: 28px;
  }
  .index-section-1-data {
    gap: 60px;
  }
  .index-section-1-data-item {
    width: 180px;
    height: 115px;
  }
  .index-section-1-data-item-number {
    font-size: 40px;
  }
  .index-section-1-data-item-description {
    font-size: 16px;
  }

  /* Section 2 */
  .index-section-2 {
    padding: 60px 40px 31px;
  }
  .index-section-2-title {
    font-size: 36px;
  }
  .index-section-2-items {
    column-gap: 40px;
    padding: 40px;
  }
  .index-section-2-item {
    width: auto;
    font-size: 24px;
  }
  .index-section-2-item img {
    width: 90px;
    height: 90px;
  }
  .index-section-2-content {
    width: 100%;
    max-width: 100%;
    font-size: 24px;
  }

  /* Section 3 */
  .index-section-3 {
    padding: 60px 40px;
  }
  .index-section-3-title,
  .index-section-4-title,
  .index-section-5-title {
    font-size: 36px;
  }
  .index-section-3-subtitle,
  .index-section-4-subtitle,
  .index-section-5-subtitle {
    font-size: 24px;
  }
  .index-section-3-content {
    flex-direction: column;
    gap: 40px;
    margin-top: 60px;
  }
  .index-section-3-content img {
    width: 80%;
    height: auto;
  }
  .index-section-3-bg {
    font-size: 80px;
    width: 100%;
    overflow: hidden;
  }
  .index-section-3-content-items {
    gap: 40px;
  }
  .index-section-3-content-item-title {
    font-size: 28px;
  }
  .index-section-3-content-item {
    font-size: 18px;
  }

  /* Section 4 */
  .index-section-4 {
    padding: 60px 40px;
  }
  .index-section-4-content {
    flex-direction: column;
    gap: 40px;
    margin-top: 60px;
  }
  .index-section-4-content img {
    width: 80%;
    height: auto;
  }
  .index-section-4-bg {
    font-size: 80px;
    overflow: hidden;
  }
  .index-section-4-content-items {
    width: 80%;
  }
  .index-section-4-content-item {
    width: auto;
    height: 180px;
  }

  /* Section 5 */
  .index-section-5 {
    padding: 60px 40px;
  }
  .index-section-5-content {
    flex-direction: column;
    gap: 40px;
    margin-top: 60px;
  }
  .index-section-5-content img {
    width: 60%;
    height: auto;
  }
  .index-section-5-bg {
    font-size: 80px;
    width: 100%;
    overflow: hidden;
  }

  /* Section 6 */
  .index-section-6 {
    padding: 60px 40px;
  }
  .index-section-6-title {
    font-size: 28px;
    text-align: center;
  }
  .index-section-6-content {
    margin-top: 60px;
    gap: 80px;
  }

  /* Section 7 */
  .index-section-7 {
    padding: 60px 40px;
  }
  .index-section-7-add-customer-service {
    margin-top: 60px;
  }
  .index-section-7-ba {
    gap: 16px;
    font-size: 12px;
  }
}

/* ==================== Mobile (≤768px) ==================== */
@media screen and (max-width: 768px) {
  /* Section 1 */
  .index-section-1 {
    padding: 32px 24px 60px;
  }
  .index-section-1-logo img {
    width: 56px;
    height: 56px;
  }
  .index-section-1-logo h1 {
    font-size: 22px;
    gap: 16px;
  }
  .index-section-1-description {
    font-size: 14px;
    top: -12px;
  }
  .index-section-1-slogan-1 {
    margin-top: 36px;
    font-size: 18px;
  }
  .index-section-1-slogan-2 {
    font-size: 18px;
  }
  .index-section-1-download {
    margin-top: 36px;
    width: 200px;
    height: 56px;
    font-size: 22px;
    border-radius: 16px;
    gap: 12px;
  }
  .index-section-1-download img {
    width: 26px;
    height: 26px;
  }
  .index-section-1-tag {
    margin-top: 36px;
    gap: 24px;
    font-size: 24px;
  }
  .index-section-1-tag-description {
    font-size: 18px;
    flex-direction: column;
    gap: 0;
    text-align: center;
  }
  .index-section-1-data {
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
  }
  .index-section-1-data-item {
    width: 130px;
    height: 95px;
    border-radius: 18px;
    padding: 10px;
  }
  .index-section-1-data-item-number {
    font-size: 30px;
  }
  .index-section-1-data-item-description {
    font-size: 13px;
  }

  /* Section 2 */
  .index-section-2 {
    padding: 40px 20px;
  }
  .index-section-2-title {
    font-size: 26px;
    text-align: center;
  }
  .index-section-2-description {
    font-size: 14px;
    margin-top: 16px;
  }
  .index-section-2-items {
    grid-template-columns: 1fr;
    row-gap: 12px;
    padding: 20px;
    margin-top: 30px;
    border-radius: 24px;
  }
  .index-section-2-item {
    font-size: 20px;
    gap: 16px;
  }
  .index-section-2-item img {
    width: 72px;
    height: 72px;
  }
  .index-section-2-content {
    font-size: 16px;
    margin-top: 30px;
  }

  /* Section 3 */
  .index-section-3 {
    padding: 40px 20px;
  }
  .index-section-3-title,
  .index-section-4-title,
  .index-section-5-title {
    font-size: 26px;
  }
  .index-section-3-subtitle,
  .index-section-4-subtitle,
  .index-section-5-subtitle {
    font-size: 18px;
  }
  .index-section-3-content {
    margin-top: 36px;
    gap: 28px;
  }
  .index-section-3-content img {
    width: 100%;
  }
  .index-section-3-bg {
    font-size: 40px;
  }
  .index-section-3-content-items {
    gap: 24px;
  }
  .index-section-3-content-item {
    font-size: 15px;
  }
  .index-section-3-content-item-title {
    font-size: 22px;
  }

  /* Section 4 */
  .index-section-4 {
    padding: 40px 20px;
  }
  .index-section-4-content {
    margin-top: 36px;
    gap: 28px;
  }
  .index-section-4-content img {
    width: 100%;
  }
  .index-section-4-bg {
    font-size: 40px;
  }
  .index-section-4-content-items {
    width: 100%;
    column-gap: 12px;
    row-gap: 12px;
  }
  .index-section-4-content-item {
    height: auto;
    padding: 20px 16px;
    border-radius: 16px;
  }
  .index-section-4-content-item-title {
    font-size: 20px;
  }

  /* Section 5 */
  .index-section-5 {
    padding: 40px 20px;
  }
  .index-section-5-content {
    margin-top: 36px;
    gap: 28px;
  }
  .index-section-5-content img {
    width: 80%;
  }
  .index-section-5-bg {
    font-size: 40px;
  }

  /* Section 6 */
  .index-section-6 {
    padding: 40px 20px;
  }
  .index-section-6-title {
    font-size: 22px;
  }
  .index-section-6-content {
    margin-top: 40px;
    gap: 40px;
  }
  .index-section-6-content-item {
    width: 160px;
    height: 170px;
    border-radius: 24px;
    font-size: 18px;
  }
  .index-section-6-content-item img {
    width: 40px;
    height: 40px;
  }

  /* Section 7 */
  .index-section-7 {
    padding: 40px 20px;
  }
  .index-section-7-title {
    font-size: 20px;
  }
  .index-section-7-subtitle {
    font-size: 20px;
  }
  .index-section-7-add-customer-service {
    margin-top: 40px;
    font-size: 16px;
  }
  .index-section-7-qrcode-container {
    width: 200px;
    height: 200px;
  }
  .index-section-7-qrcode-container img {
    width: 176px;
    height: 176px;
  }
  .index-section-7-ba {
    flex-direction: column;
    gap: 6px;
    font-size: 11px;
    text-align: center;
  }
  .index-section-7-ba a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
  }
}

/* ==================== Small Mobile (≤480px) ==================== */
@media screen and (max-width: 480px) {
  /* Section 1 */
  .index-section-1 {
    padding: 24px 16px 48px;
  }
  .index-section-1-logo img {
    width: 44px;
    height: 44px;
  }
  .index-section-1-logo h1 {
    font-size: 18px;
    gap: 10px;
  }
  .index-section-1-description {
    font-size: 12px;
    top: -8px;
  }
  .index-section-1-slogan-1 {
    margin-top: 28px;
    font-size: 16px;
  }
  .index-section-1-slogan-2 {
    font-size: 16px;
  }
  .index-section-1-download {
    margin-top: 28px;
    width: 180px;
    height: 48px;
    font-size: 20px;
    border-radius: 14px;
    gap: 10px;
  }
  .index-section-1-download img {
    width: 22px;
    height: 22px;
  }
  .index-section-1-tag {
    margin-top: 28px;
    gap: 14px;
    font-size: 20px;
  }
  .index-section-1-tag-description {
    font-size: 14px;
  }
  .index-section-1-data {
    gap: 10px;
  }
  .index-section-1-data-item {
    width: 100px;
    height: 78px;
    border-radius: 14px;
    padding: 8px;
  }
  .index-section-1-data-item-number {
    font-size: 24px;
  }
  .index-section-1-data-item-description {
    font-size: 11px;
  }

  /* Section 2 */
  .index-section-2 {
    padding: 32px 16px;
  }
  .index-section-2-title {
    font-size: 22px;
  }
  .index-section-2-description {
    font-size: 13px;
  }
  .index-section-2-items {
    padding: 16px;
    margin-top: 24px;
    border-radius: 20px;
    row-gap: 10px;
  }
  .index-section-2-item {
    font-size: 16px;
    gap: 12px;
  }
  .index-section-2-item img {
    width: 56px;
    height: 56px;
  }
  .index-section-2-content {
    font-size: 14px;
    margin-top: 24px;
  }

  /* Section 3/4/5 common */
  .index-section-3,
  .index-section-4,
  .index-section-5 {
    padding: 32px 16px;
  }
  .index-section-3-title,
  .index-section-4-title,
  .index-section-5-title {
    font-size: 22px;
  }
  .index-section-3-subtitle,
  .index-section-4-subtitle,
  .index-section-5-subtitle {
    font-size: 15px;
  }
  .index-section-3-bg,
  .index-section-4-bg,
  .index-section-5-bg {
    font-size: 28px;
  }

  /* Section 3 */
  .index-section-3-content {
    margin-top: 28px;
    gap: 20px;
  }
  .index-section-3-content-items {
    gap: 18px;
  }
  .index-section-3-content-item {
    font-size: 13px;
  }
  .index-section-3-content-item-title {
    font-size: 18px;
  }

  /* Section 4 */
  .index-section-4-content {
    margin-top: 28px;
    gap: 20px;
  }
  .index-section-4-content-item {
    padding: 16px 12px;
    border-radius: 14px;
  }
  .index-section-4-content-item-title {
    font-size: 16px;
  }

  /* Section 5 */
  .index-section-5-content {
    margin-top: 28px;
    gap: 20px;
  }
  .index-section-5-content img {
    width: 90%;
  }

  /* Section 6 */
  .index-section-6 {
    padding: 32px 16px;
  }
  .index-section-6-title {
    font-size: 18px;
  }
  .index-section-6-content {
    margin-top: 32px;
    gap: 24px;
  }
  .index-section-6-content-item {
    width: 130px;
    height: 140px;
    border-radius: 20px;
    font-size: 14px;
  }
  .index-section-6-content-item img {
    width: 36px;
    height: 36px;
  }

  /* Section 7 */
  .index-section-7 {
    padding: 32px 16px;
  }
  .index-section-7-title {
    font-size: 18px;
  }
  .index-section-7-subtitle {
    font-size: 18px;
  }
  .index-section-7-add-customer-service {
    margin-top: 32px;
    font-size: 14px;
  }
  .index-section-7-qrcode-container {
    width: 180px;
    height: 180px;
  }
  .index-section-7-qrcode-container img {
    width: 156px;
    height: 156px;
  }
  .index-section-7-copyright {
    margin-top: 28px;
    font-size: 11px;
  }
  .index-section-7-ba {
    gap: 4px;
    font-size: 10px;
  }
  .index-section-7-ba a img {
    width: 12px;
    height: 12px;
  }
}