html,
body {
  width: 100%;
  min-height: 100vh;
}

body {
  font-family: "Noto Sans TC", "Work Sans", sans-serif;
  line-height: 1.5;
  letter-spacing: 2px;
  background-color: #efefef;
}

:root {
  --main-orange: #f4aa14;
  --main-green: #0b8d97;
}

.page__bg {
  min-height: 100%;
  background: right 1% / auto 200px no-repeat url(../../img/aboutus/bg_right.svg),
    95% 22% / auto 200px no-repeat url(../../img/aboutus/bg_right-3.svg),
    right 60% / auto 200px no-repeat url(../../img/aboutus/bg_right-4.svg),
    right 100% / auto 200px no-repeat url(../../img/aboutus/bg_right-2.svg),
    left 1% / auto 200px no-repeat url(../../img/aboutus/bg_left.svg),
    5% 45% / auto 200px no-repeat url(../../img/aboutus/bg_left-2.svg),
    left 100% / auto 200px no-repeat url(../../img/aboutus/bg_left-3.svg);
}

/* new */
.banner {
  height: 480px;
  position: relative;
  background-image: url(../../img/platform/platform_banner.jpg);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: right;
}

.banner>h1 {
  position: absolute;
  left: -10000px;
  color: white;
}

.banner__textbox {
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, #ffffff 60%, rgba(255, 255, 255, 0) 100%);
}

.banner__title {
  color: var(--main-green);
  font-weight: 700;
  font-size: 4.5em;
  margin-top: 80px;
}

.banner__sub {
  color: var(--main-orange);
  font-size: 1.3em;
  /* font-size: 1.2vw; */
}

.sectionai {
  padding: 60px;
}

.tool__row-2 {
  padding: 76px 0 76px 0;
}

.sectionai__opentext,
.sectionai__title,
.sectionai__title-2,
.sectionai__title-3 {
  font-weight: 700;
  display: block;
}

.sectionai__opentext,
.sectionai__title,
.sectionai__title-3 {
  color: var(--main-green);
}

.sectionai__opentext {
  font-size: 1.5rem;
}

.sectionai__title {
  font-size: 2rem;
}

.sectionai__title-2 {
  color: white;
}

.sectionai__title-2,
.sectionai__title-3 {
  font-size: 2.75rem;
}

.sectionai__img {
  filter: drop-shadow(16px 16px #cbd8e0);
  border-radius: 16px;
}

.sectionai__sub {
  color: #7f7f7f;
  font-size: 1rem;
  text-align: justify;
  text-justify: inter-ideograph;
  font-weight: 400;
  line-height: 1.6rem;
}

.sectionai__boxright {
  padding-left: 31px;
}

.sectionai__list li {
  list-style: none;
  margin-bottom: 8px;
}

.sectionai__list a {
  text-decoration: underline;
  background-color: transparent;
  color: var(--main-green);
}

.sectionai__list a:hover {
  color: #066e78;
}

/* arrow__icon */
.arrow__icon {
  text-align: center;
  display: flex;
  justify-content: center;
  position: relative;
  color: #fff;
  font-size: 1.5rem;
  font-weight: 500;
  padding: 12px 24px;
  width: 10.5rem;
  border-radius: 50px;
  overflow: hidden;
  transition: all 0.2s linear 0s;
  white-space: nowrap;
  margin: 8px 16px 8px 0;
}

/* arrow__icon-1 style*/
.arrow__icon-1:before {
  right: 0;
  top: 0;
  width: 55px;
  height: 100%;
  opacity: 0;
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s linear 0s;
}

.arrow__icon:hover {
  text-indent: -20px;
}

.arrow__icon:hover .arrow__icon-1:before {
  opacity: 1;
  text-indent: 0px;
}

/* arrow__icon */

/* effect button */
/* .effect {
  text-align: center;
  display: inline-block;
  position: relative;
  text-decoration: none;
  color: #fff;
  text-transform: capitalize;
  font-size: 24px;
  padding: 16px 32px;
  width: 180px;
  border-radius: 50px;
  overflow: hidden;
} */

/* effect-1 styles */
/* .effect.effect-1 {
  transition: all 0.2s linear 0s;
}

.effect.effect-1:before {
  content: "\f6af";
  font-family: "Font Awesome 5 Brands";
  font-size: 24px;
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  right: 0;
  top: 0;
  opacity: 0;
  height: 100%;
  width: 50px;
  transition: all 0.2s linear 0s;
}
.effect.effect-1:hover {
  text-indent: -20px;
}
.effect.effect-1:hover:before {
  opacity: 1;
  text-indent: 0px;
} */
/* button */

.a__btn__blockly {
  background-color: var(--main-green);
}

.a__btn__blockly:hover {
  background-color: #087a84;
  color: rgb(242, 242, 242);
  text-decoration: none;
}

.a__btn__image {
  background-color: var(--main-orange);
}

.a__btn__image:hover {
  background-color: #f1990e;
  color: rgb(242, 242, 242);
  text-decoration: none;
}

.a__btn__image-2 {
  color: var(--main-orange);
  border: 1px solid var(--main-orange);
  background-color: #efefef;
}

.a__btn__image-2:hover {
  color: #f1990e;
  border: 1px solid #f1990e;
  text-decoration: none;
}

.a__btn__simulator {
  background-color: #005689;
}

.a__btn__simulator:hover {
  background-color: #004576;
  color: rgb(242, 242, 242);
  text-decoration: none;
}

.a__btn__device {
  background-color: #929292;
}

.a__btn__device:hover {
  background-color: #7f7f7f;
  color: rgb(242, 242, 242);
  text-decoration: none;
}

.partner__section {
  margin-top: 48px;
  /* height: 380px; */
  position: relative;
}

.partner__section__container {
  z-index: 1;
  display: block;
}

.partner__section__text {
  font-size: 16px;
  font-weight: 400;
  color: white;
}

a.partner__section__item {
  border-radius: 16px;
  height: 150px;
}

a.partner__section__item:hover {
  text-decoration: none;
}

.bg__out {
  background-color: #003969;
  height: 100%;
  width: 100%;
  display: block;
  padding-bottom: 80px;
}

.bg__mid,
.bg__in {
  height: 100%;
  width: 100%;
  position: absolute;
  right: 1rem;
  top: -1rem;
  display: block;
}

.bg__mid {
  background-color: #004576;
}

.bg__in {
  background: right 10px / auto 80px no-repeat url(../../img/platform/bg_p.png),
    #005689;
}

/* QA */
.qa__section {
  padding: 60px 0 60px 0;
  color: #6c6c6c;
  font-size: 18px;
  background-color: #f1f1f1;
}

.qa__section__title {
  font-size: 18px;
  color: var(--main-green);
  /* font-weight: 500; */
}

.bi-plus,
.bi-dash {
  color: var(--main-green);
  width: 20px;
  font-weight: 700;
  font-size: 24px;
}

ul.qa__section__text {
  padding: 6px 12px;
  list-style-type: disc;
}

.qa__section__text {
  margin-left: 16px;
  display: block;
}

.btn:focus,
.btn:active,
.btn:hover {
  box-shadow: none !important;
}

.card-header {
  background-color: initial !important;
}

/* RWD */
@media (max-width: 575.99px) {
  .partner__section__col {
    margin-top: 0px;
  }

  .sectionai__img {
    filter: drop-shadow(8px 8px #cbd8e0);
    border-radius: 8px;
  }

  .page__bg {
    background: initial;
  }

  .a__btn__blockly,
  .a__btn__image,
  .a__btn__image-2,
  .a__btn__simulator,
  .a__btn__device {
    width: 100%;
    display: block;
    margin: 4px 0px 4px 0;
  }

  .bg__out {
    padding: 0 15px 80px 15px;
  }

  .sectionai {
    padding: 20px;
  }

  .tool__row-2 {
    padding: 38px 0 38px 0;
  }
}

@media (max-width: 767px) {

  /* banner */
  .banner {
    margin-top: 48px;
    height: 200px;
  }

  .banner__title {
    font-size: 2em;
    margin-top: 0;
  }

  .banner__textbox {
    width: 100%;
    background: linear-gradient(90deg,
        rgba(255, 255, 255, 0.8) 100%,
        rgba(255, 255, 255, 0) 100%);
  }
}

@media (max-width: 900px) {
  header .menu a {
    color: white;
  }
}

@media (max-width: 991px) {

  .sectionai__boxright,
  .sectionai__box {
    padding-top: 2rem;
    max-width: 520px;
    margin: 0 auto;
  }

  .tool__row-2 {
    flex-direction: column-reverse;
  }

  .btn__box {
    justify-content: center;
  }

  .partner__section__item {
    margin-top: 16px;
  }

  .sectionai__boxright {
    padding-left: 15px;
  }
}

@media (min-width: 768px) and (max-width: 991.99px) {
  .banner__textbox {
    top: 50%;
    left: 25%;
  }

  .banner__title {
    font-size: 3.5em;
  }
}

@media (max-width: 1432px) {
  .banner {
    background-size: cover;
  }
}