body {
  margin: 0;
  font-family: Microsoft JhengHei, Helvetica, Hiragino Sans GB, Microsoft Yahei, 微软雅黑, Arial, sans-serif;
}

.app {
  background-image: url(../image/pc-bg.jpg);
  background-position: top center;
  background-repeat: no-repeat;
  background-size: cover;
  width: 100vw;
  height: 100vh;
}

.title {
  position: relative;
  background-image: url(../image/pc-title.png);
  background-size: 100%;
  background-repeat: no-repeat;
  width: 50vw;
  height: 8vh;
  min-width: 700px;
  min-height: 80px;
  max-width: 1013px;
  max-height: 99px;
  display: inline-block;
  margin-top: 3vw;
  margin-left: 37vw;
}

.stitle {
  background-image: url(../image/pc-stitle.png);
  background-size: 100%;
  background-repeat: no-repeat;
  width: 50vw;
  height: 8vh;
  min-width: 700px;
  min-height: 60px;
  max-width: 1047px;
  max-height: 71px;
  position: absolute;
  bottom: -4vw;
  left: 0;
}

.content {
  display: flex;
  flex-wrap: wrap;
  margin-left: 37vw;
  margin-top: 5%;
  width: 50%;
  min-width: 680px;
}

.btn {
  background-size: 100%;
  background-repeat: no-repeat;
  width: 22vw;
  height: 7.5vw;
  max-width: 485px;
  min-width: 305px;
  min-height: 104px;
  margin-bottom: 2vw;
}

a {
  text-decoration: none
}

a:nth-child(odd) {
  margin-right: 10%;
}

.text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 48%;
  margin-left: 52%;
  margin-top: 12px;
}

h2 {
  color: #fff;
  margin: 0;
  font-size: 29px;
}

p {
  color: #fff;
  margin: 0;
  font-size: 18px;
  font-weight: 550;
}

.btn1 {
  background-image: url(../image/pc-btn3.png);
}

.btn2 {
  background-image: url(../image/pc-btn4.png);
}

.btn3 {
  background-image: url(../image/pc-btn1.png);
}

.btn4 {
  background-image: url(../image/pc-btn6.png);
}

.btn5 {
  background-image: url(../image/pc-btn5.png);
}

.btn6 {
  background-image: url(../image/pc-btn2.png);
}

.logo {
  display: inline-block;
  width: 50%;
  margin-left: 37vw;
  margin-top: 30px;
  min-width: 680px;
}

img {
  width: 100%;
}

@media (max-width: 1750px) {
  .text {
    margin-top: 9px;
  }

  h2 {
    font-size: 27px;
  }

  p {
    font-size: 17px;
  }
}

@media (max-width: 1650px) {
  .title {
    margin-top: 3vw;
  }

  .text {
    margin-top: 8px;
  }

  h2 {
    font-size: 23px;
  }

  p {
    font-size: 15px;
  }
}

@media (max-width: 1450px) {
  .title {
    margin-top: 5vw;
  }

  .text {
    margin-top: 7px;
  }

  h2 {
    font-size: 22px;
  }

  p {
    font-size: 14px;
  }
}

@media (max-width: 1350px) {
  .title {
    margin-top: 3vw;
  }
}

@media (max-width: 1250px) {

  .title,
  .logo,
  .content {
    margin-left: 30vw;
  }

  .stitle {
    bottom: -5vw;
  }
}

@media (max-width: 1080px) {

  .title,
  .logo,
  .content {
    margin-left: 25vw;
  }

  .stitle {
    bottom: -5vw;
  }
}

@media (max-width: 966px) {
  .app {
    background-image: url(../image/mb-bg.jpg);
    height: auto;
    min-height: 100vh;
    position: relative;
  }

  .title {
    background-image: url(../image/mb-title.png);
    width: 100vw;
    height: 25vh;
    max-width: unset;
    max-height: unset;
    min-width: unset;
    min-height: unset;
    margin: 0;
    margin-top: 4vw;
  }

  .stitle {
    background-image: url(../image/mb-stitle.png);
    width: 100vw;
    height: 16vh;
    max-width: unset;
    max-height: unset;
    min-width: unset;
    min-height: unset;
    bottom: -8vh;
  }

  .content {
    margin: 0;
    min-width: unset;
    margin: 6vw auto 0;
    width: 80%;
  }

  a:nth-child(odd) {
    margin-right: 0;
  }

  .text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 50%;
    margin-left: 42%;
    margin-top: 3.5vw;
  }

  h2 {
    font-size: 4.5vw;
  }

  p {
    font-size: 2.5vw;
    font-weight: 550;
  }

  .btn {
    width: 100%;
    height: 18vw;
    max-width: unset;
    min-width: unset;
    min-height: unset;
  }

  .btn1 {
    background-image: url(../image/mb-btn3.png);
    margin-right: 0;
  }

  .btn2 {
    background-image: url(../image/mb-btn4.png);
    margin-right: 0;
  }

  .btn3 {
    background-image: url(../image/mb-btn1.png);
    margin-right: 0;
  }

  .btn4 {
    background-image: url(../image/mb-btn6.png);
    margin-right: 0;
  }

  .btn5 {
    background-image: url(../image/mb-btn5.png);
    margin-right: 0;
  }

  .btn6 {
    background-image: url(../image/mb-btn2.png);
    margin-right: 0;
  }

  .logo {
    display: block;
    margin: 0 auto;
    min-width: unset;
    width: 80%;
  }
}

@media (max-width: 530px) {
  .title {
    height: 19vh;
  }

  .stitle {
    height: 11vh;
    bottom: -4vh;
  }

  .text {
    margin-top: 3vw;
  }

  h2 {
    font-size: 4.5vw;
  }

  p {
    font-size: 2.5vw;
    font-weight: 550;
  }

  .btn {
    margin-bottom: 4vw;
  }

  .logo {
    width: 80%;
  }
}