body {
  padding: 0;
  margin: 0;
  font-family: "Open Sans", sans-serif; }
  body .header {
    text-align: center;
    background-color: #202D4E;
    padding: 2px;
    color: white;
    font-weight: 600; }
    body .header a {
      text-decoration: none;
      color: #EDE79A; }
  body .welcome {
    width: 100%;
    background-color: #E6F4F1;
    padding-top: 80px;
    padding-bottom: 90px; }
    body .welcome .content {
      width: 73%;
      margin: auto;
      display: flex; }
      body .welcome .content .left {
        width: 60%; }
        body .welcome .content .left .title-main {
          font-size: 60px; }
        body .welcome .content .left button {
          border: none;
          outline: none;
          cursor: pointer;
          background-color: #4166D2;
          color: white;
          padding: 20px 40px;
          font-size: 15px;
          font-weight: 700;
          border-radius: 5px; }
        body .welcome .content .left a {
          color: black;
          font-weight: 700;
          text-decoration-color: #4166D2; }
      body .welcome .content .right {
        width: 40%; }
        body .welcome .content .right img {
          width: 300px;
          margin: auto;
          display: block;
          border-radius: 5px; }
  body .reduce {
    width: 100%;
    background-color: #4166D2;
    padding-bottom: 60px; }
    body .reduce .content {
      width: 750px;
      margin: auto;
      padding-top: 60px; }
      body .reduce .content .text-box {
        color: black;
        background-color: white;
        text-align: center;
        padding: 20px;
        font-size: 20px;
        line-height: 30px;
        border-radius: 8px; }
    body .reduce .inbook {
      width: 950px;
      background-color: white;
      margin: auto;
      border-radius: 8px; }
      body .reduce .inbook .title {
        font-size: 40px;
        font-weight: 800;
        color: #4166D2;
        text-align: center;
        padding-top: 25px; }
      body .reduce .inbook ul {
        list-style-type: none;
        padding-left: 0px; }
      body .reduce .inbook li {
        padding-left: 35px;
        padding-right: 30px;
        padding-top: 10px;
        padding-bottom: 10px;
        display: flex;
        align-items: center; }
        body .reduce .inbook li .text-icon {
          min-width: 60px;
          height: 60px;
          background-color: #B0C4FF;
          font-size: 20px;
          border-radius: 60px;
          line-height: 60px;
          text-align: center; }
        body .reduce .inbook li .descript {
          margin-left: 30px; }
      body .reduce .inbook .bg {
        background-color: #F0F8F7; }
  body .unique {
    background-color: #202D4E;
    width: 100%;
    padding-top: 60px;
    padding-bottom: 60px;
    color: white; }
    body .unique .title {
      font-size: 40px;
      font-weight: 800;
      color: white;
      text-align: center;
      padding-top: 25px; }
    body .unique .list {
      width: 1050px;
      margin: auto;
      display: flex; }
      body .unique .list .card {
        display: flex;
        width: 50%;
        padding-left: 10px;
        padding-right: 30px; }
  body .reader {
    background-color: #E6F4F1;
    width: 100%;
    padding-top: 60px;
    padding-bottom: 60px; }
    body .reader .title {
      font-size: 40px;
      font-weight: 800;
      color: #4166D2;
      text-align: center;
      padding-top: 25px; }
    body .reader .list {
      width: 1000px;
      margin: auto;
      display: flex; }
      body .reader .list .card {
        width: 50%;
        padding: 20px; }
        body .reader .list .card .card-header {
          display: flex;
          align-items: center; }
          body .reader .list .card .card-header img {
            width: 80px;
            height: 80px;
            border-radius: 50px;
            border: 4px solid white; }
        body .reader .list .card .descript {
          font-size: 16px;
          line-height: 25px;
          text-align: justify;
          background-color: white;
          padding: 10px;
          border-radius: 10px;
          margin-top: 0px;
          box-shadow: 0 9px 14px 0 rgba(0, 0, 0, 0.06); }

.buy {
  background-color: #202D4E;
  width: 100%;
  padding-top: 60px;
  padding-bottom: 60px; }
  .buy .title {
    font-size: 40px;
    font-weight: 800;
    color: white;
    text-align: center; }
  .buy .box {
    width: 350px;
    background-color: #E1EFEC;
    margin: auto;
    padding: 20px;
    border-radius: 5px; }
    .buy .box img {
      width: 100px;
      display: block;
      margin: auto;
      border-radius: 5px; }
    .buy .box button {
      padding-top: 20px;
      padding-bottom: 20px;
      border: none;
      outline: none;
      cursor: pointer;
      background-color: #4166D2;
      color: white;
      font-size: 15px;
      font-weight: 700;
      border-radius: 5px;
      width: 100%; }

.feedback {
  width: 100%;
  background-color: #E6F4F1;
  padding-top: 60px;
  padding-bottom: 60px; }
  .feedback .title {
    font-size: 40px;
    font-weight: 800;
    color: #4166D2;
    text-align: center; }
  .feedback .box {
    width: 1000px;
    background-color: white;
    margin: auto;
    display: flex;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.05); }
    .feedback .box .left {
      width: 75%;
      display: flex; }
      .feedback .box .left img {
        min-width: 120px;
        height: 120px;
        border-radius: 120px; }
    .feedback .box .right {
      width: 25%;
      padding: 10px;
      background-color: #E1EFEC;
      border-radius: 5px; }
      .feedback .box .right ul {
        line-height: 25px; }

@media screen and (min-width: 1000px) {
  body .welcome .content {
    width: 992px; } }

@media screen and (max-width: 999px) and (min-width: 800px) {
  body .welcome .content {
    width: calc(100% - 10px);
    padding-left: 10px; } }

@media screen and (max-width: 799px) {
  body .welcome .content {
    flex-direction: column-reverse; }
  body .welcome .content .left {
    width: 100%;
    text-align: center; }
    body .welcome .content .left .title-main {
      font-size: 40px; }
  body .welcome .content .right {
    width: 100%; } }

@media screen and (max-width: 450px) {
  body .welcome .content .right img {
    width: calc(100% - 10px);
    margin: auto; } }

@media screen and (max-width: 770px) {
  body .reduce .content {
    width: calc(100% - 30px); } }

@media screen and (max-width: 960px) {
  body .reduce .inbook {
    width: calc(100% - 30px); } }

@media screen and (max-width: 1090px) {
  body .unique .list {
    width: 100%;
    flex-direction: column; }
    body .unique .list .card {
      padding-left: 20px;
      padding-right: 20px;
      width: calc(100% - 40px); } }

@media screen and (max-width: 799px) {
  body .reader .list {
    width: 100%;
    flex-direction: column; }
    body .reader .list .card {
      width: calc(100% - 40px); } }

@media screen and (max-width: 1000px) and (min-width: 800px) {
  body .reader .list {
    width: 100%; } }

@media screen and (max-width: 1100px) {
  body .feedback .box {
    width: calc(100% - 80px); } }

@media screen and (max-width: 799px) {
  body .feedback .box {
    width: calc(100% - 80px);
    flex-direction: column; }
    body .feedback .box .left {
      width: 100%;
      flex-direction: column; }
      body .feedback .box .left img {
        width: 100px;
        margin-bottom: 20px; }
    body .feedback .box .right {
      width: calc(100% - 20px); } }

@media screen and (max-width: 799px) {
  body .buy .box {
    width: calc(100% - 60px); } }