body {
  margin: 0;
}
.en {
  font-family: "Rubik", sans-serif;
}
.tc {
  font-family: "Noto Sans TC", sans-serif;
}
span.m_inportantinfo {
  color: #006bc8;
}
img {
  width: 100%;
}
/* 統一 */
@media (max-width: 828px) {
  .wrapper {
    width: 100%;
    background-color: #fff;
  }
  body {
    background-color: #000;
  }
}

header {
  background-image: url(../img/intro-page-header.png);
  width: 100%;
  height: 12vw;
  background-repeat: no-repeat;
  background-size: cover;
}
section {
  background-color: #fff;
  background-image: url(../img/intro-page-bg.png);
  width: 100%;
  background-repeat: no-repeat;
  background-size: cover;
}
/* sec1 */
.m_sec1,
.m_sec2 {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 13vw;
}
.m_slogan {
  width: 84%;
  margin-bottom: 107vw;
}
.m_sec1 h3 {
  letter-spacing: 0.1em;
  font-size: 8vw;
  margin: 0 auto !important;
  font-family: "Noto Sans TC", sans-serif;
  font-weight: 500;
}
.m_hinder {
  width: 85%;
  margin: 9vw auto;
}
/* sec2 */
.m_sec2 {
  padding-top: 10vw;
}
.m_sec2 h3 {
  letter-spacing: 0.1em;
  font-size: 8vw;
  margin: 0 auto !important;
  color: #ffffff;
  text-align: center;
  font-family: "Noto Sans TC", sans-serif;
  font-weight: 500;
  /*margin-bottom: 11vw !important;*/
}
/* step4 */
.m_step4 {
  width: 80%;
  border-left: 1px solid #000;
  padding: 8.5vw 0;
  padding-top: 0;
  display: flex;
  align-items: flex-end;
  margin-top: 8vw;
  position: relative;
  text-align: left;
}
.m_step_cir {
  position: absolute;
  width: 8vw;
  height: 8vw;
  border-radius: 50%;
  background-color: #000;
  color: #fff;
  top: -8vw;
  left: -4vw;
  font-size: 4.5vw;
  line-height: 8vw;
  text-align: center;
}
.m_step_cir_end {
  position: absolute;
  width: 4vw;
  height: 4vw;
  border-radius: 50%;
  background-color: #000;
  bottom: -4vw;
  left: -2vw;
}
.m_step_pic {
  padding: 0 4.2vw;
}

.m_step_pic_cir {
  border: 3px solid #b2c9d6;
  border-radius: 50%;
  width: 25vw;
  height: 25vw;
  background-color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.m_step_pic_cir img {
  width: 50%;
}
.m_step3_control img {
  width: 60%;
}
.m_step4_control img {
  width: 65%;
}
.m_step_info h6 {
  font-family: "Rubik", sans-serif;
  font-size: 4.5vw;
  margin: 2.8vw 0 !important;
}
.m_step_info p {
  font-family: "Noto Sans TC", sans-serif;
  margin: 0 !important;
  font-size: 4.3vw;
  line-height: 6vw;
  font-weight: 500;
}
.m_step1_control {
  position: relative;
  background-color: #c7cfd6;
}
.m_step1_control img {
  position: absolute;
  bottom: 0;
  right: -1px;
  width: 120%;
}

/* hide bell */
.m_step_cir_pop {
  position: absolute;
  right: -4.3vw;
  bottom: -8vw;
  display: flex;
  flex-direction: row-reverse;
  align-items: flex-end;
}
.m_step_cir_bellpop {
  width: 8.6vw;
  height: 8.6vw;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: #000;
}
.m_step_cir_bellpop img {
  width: 60%;
}
.m_step_cir_bellpopinfo {
  position: relative;
  width: 48vw;
  height: 13.5vw;
}
.m_step_cir_bellpopinfo.hide {
  visibility: hidden;
}
.m_step_cir_bellpopinfo img {
  position: absolute;
  bottom: 0;
  right: 1.2vw;
  width: 47vw;
  z-index: 1;
}
.m_step_cir_bellpopinfo p {
  font-family: "Noto Sans TC", sans-serif;
  color: #fff;
  width: 80%;
  position: absolute;
  left: 0;
  top: 0%;
  z-index: 3;
  padding-left: 3.4vw;
  font-size: 3vw;
}
.m_step_cir_bellpopdel {
  position: absolute;
  border: 2px solid #000;
  background-color: #fff;
  width: 5.8vw;
  height: 5.8vw;
  z-index: 4;
  top: -20%;
  right: 2%;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}
.m_step_cir_bellpopdel img {
  position: initial;
  width: 56% !important;
}
/* hide bell */
/* step4 */
/* btn */
.m_next_page {
  margin-top: 8.6vw;
  width: 100%;
  text-align: center;
}
.m_next_page_btn {
  background: url(../img/btn-bg.png) no-repeat;
  background-size: contain;
  background-position: center;   
  color: #fff;
  font-size: 4.6vw;
  /*width: 76%;*/
  height: 24vw;
  margin: 2.4vw auto;
  border: none;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  text-align: center;
  letter-spacing: 1.2px;
  padding:0 100px;
}
.m_next_page_btn img {
  width: 16.5%;
  margin-left: 5vw;
  margin-right: 3vw;
  font-weight: 500;
}
/* btn */
.m_top_btn {
  position: fixed;
  right: 2%;
  bottom: 16vw;
  background-color: rgba(0, 0, 0, 0.247);
  width: 10vw;
  height: 10vw;
  border-radius: 10%;
  transition: 0.5s;
  opacity: 0;
}
.m_footer_info {
  font-family: "Noto Sans TC", sans-serif;
  font-size: 4.1vw;
  text-align: center;
  color: #ffffff;
  margin-top: 5vw;
  margin-bottom: 0;
  padding-bottom: 4vw;
  font-weight: 500;
}
/* footer */
footer {
  background-color: #000;
  width: 100%;
  height: 15vw;
}
footer p {
  font-family: "Noto Sans TC", sans-serif;
  /*line-height: 15vw;*/
  margin: 0;
  color: #fff301;
  font-size: 3.1vw;
  text-align: center;
  letter-spacing: 1.2px;
  background-color: #000000;
}
/* 平板觀看設定 */
@media (min-width: 828px) {
  .wrapper {
    width: 828px;
    margin: 0 auto;
  }
  header {
    height: 106px;
  }
  /* sec1 */
  .m_sec1 {
    padding-top: 110px;
  }
  .m_slogan {
    margin-bottom: 880px;
  }
  .m_sec1 h3 {
    font-size: 68px;
  }
  .m_hinder {
    margin: 74px auto;
  }
  /* sec2 */
  .m_sec2 {
    padding-top: 88px !important;
  }
  .m_sec2 h3 {
    font-size: 68px;
    margin-bottom: 94px;
  }
  /* step4 */
  .m_step4 {
    padding: 70px 0;
    margin-top: 66px;
    padding-top: 0;
  }
  .m_step_cir {
    width: 66px;
    height: 66px;
    top: -66px;
    left: -33px;
    font-size: 38px;
    line-height: 66px;
  }
  .m_step_cir_end {
    width: 34px;
    height: 34px;
    bottom: -34px;
    left: -17px;
  }
  .m_step_pic {
    padding: 0 36px;
  }
  .m_step_pic_cir {
    border: 6px solid #b2c9d6;
    width: 206px;
    height: 206px;
  }
  .m_step_info h6 {
    font-size: 38px;
    margin: 24px 0 !important;
  }
  .m_step_info p {
    font-size: 36px;
    line-height: 50px;
  }
  /* hide bell */
  .m_step_cir_pop {
    right: -36px;
    bottom: -56px;
  }
  .m_step_cir_bellpop {
    width: 72px;
    height: 72px;
  }
  .m_step_cir_bellpopinfo {
    height: 112px;
    width: 397px;
  }
  .m_step_cir_bellpopinfo img {
    right: 10px;
    width: 390px;
  }
  .m_step_cir_bellpopinfo p {
    padding-left: 28px;
    font-size: 24px;
  }
  .m_step_cir_bellpopdel {
    border: 3px solid #000;
    width: 48px;
    height: 48px;
  }
  /* hide bell */

  /* btn */
  .m_next_page {
    margin-top: 72px;
  }
  .m_next_page_btn {
    font-size: 42px;
    height: 200px;
    margin: 20px auto;
  }
  /* btn */
  .m_top_btn {
    bottom: 140px;
    width: 88px;
    height: 88px;
  }
  .m_footer_info {
    font-size: 22px;
    margin-top: 42px;
    padding-bottom: 34px;
  }
  /* footer */
  footer {
    height: 130px;
  }
  footer p {
    line-height: 130px;
    font-size: 34px;
  }  
}
@media (max-width: 350px) {
  .m_step_cir_bellpopinfo p {
    visibility: hidden;
  }
}
@media (max-width: 270px) {
  .m_step4 {
  width: 90%;
  }
}