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

body {
  font-family: "Noto Sans TC", "Work Sans", sans-serif;
  line-height: 1.5;
  letter-spacing: 2px;
}
/* 背景 pattern */
.page__bg {
  background-color: #efefef;
  background: right 2% / auto 200px no-repeat
      url(../../img/aboutus/bg_right.svg),
    93% 20% / 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 98% / auto 200px no-repeat url(../../img/aboutus/bg_right-2.svg),
    left 2% / auto 200px no-repeat url(../../img/aboutus/bg_left.svg),
    0% 50% / auto 200px no-repeat url(../../img/aboutus/bg_left-2.svg),
    left 98% / auto 200px no-repeat url(../../img/aboutus/bg_left-3.svg);
}

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

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

.banner__title {
  color: #0b8d97;
  font-weight: 700;
  font-size: 4.5em;
  margin-top: 80px;
}

.banner__sub {
  color: #f4aa14;
  font-size: 1.3em;
}

.sectionai {
  padding: 60px;
}

.tool__row {
  margin-bottom: 60px;
}

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

.sectionai__title {
  color: #0b8d97;
}

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

/* 慶奇與智農 */
.agric__title {
  color: white;
}

.agric__left {
  margin-top: 16px;
}

.sectionai__title-2 {
  color: white;
  font-size: 2.75rem;
  color: #0b8d97;
}

.agric__text {
  color: white;
  text-align: justify;
  text-justify: inter-ideograph;
}

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

/* arrow__icon */
.arrow__icon {
  text-align: center;
  display: flex;
  justify-content: center;
  position: relative;
  color: #fff;
  font-size: 1.25rem;
  font-weight: 500;
  padding: 8px 20px;
  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: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;
}

.a__btn__about {
  background-color: #f4aa14;
}

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

.partner__section {
  padding: 60px;
  background: right 5% / auto 15% no-repeat url(../../img/aboutus/bg_p.png),
    #005689;
}

/* 老師口碑 */
.teacher__section {
  padding: 60px;
}

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

.about_img {
  padding: 4px;
}

.teacher__item {
  height: 100%;
  padding: 30px;
  border-radius: 16px;
  background: left 0 / 10% no-repeat url(../../img/aboutus/comma.svg),
    right bottom 0 / 10% no-repeat url(../../img/aboutus/comma.svg);
}

.teacher__sign {
  font-weight: 800;
}

/* RWD */
@media (max-width: 575.99px) {
  .sectionai,
  .partner__section,
  .partner__section,
  .teacher__section {
    padding: 20px;
  }

  .page__bg {
    background: initial;
  }
}

@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%
    );
  }

  /* 智慧農業 */
  .agric__row {
    flex-direction: column-reverse;
  }

  .a__btn__about {
    margin: 0 auto;
  }

  
}

@media (max-width:991px) {
  .col-md-4{
   min-width: 100%;
  }

  .teacher__col{
    margin-top: 20px;
  }
  
}

@media (min-width: 576px) and (max-width: 767.99px) {
  .page__bg {
    background: right 2% / auto 200px no-repeat
        url(../../img/aboutus/bg_right.svg),
      93% 18% / 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 98% / auto 200px no-repeat url(../../img/aboutus/bg_right-2.svg),
      left 2% / auto 200px no-repeat url(../../img/aboutus/bg_left.svg),
      5% 56% / auto 150px no-repeat url(../../img/aboutus/bg_left-2.svg),
      left 98% / auto 200px no-repeat url(../../img/aboutus/bg_left-3.svg);
  }
}

@media (min-width: 768px) and (max-width: 991.99px) {
  .page__bg {
    background: right 2% / auto 200px no-repeat
        url(../../img/aboutus/bg_right.svg),
      90% 25% / auto 200px no-repeat url(../../img/aboutus/bg_right-3.svg),
      right 98% / auto 200px no-repeat url(../../img/aboutus/bg_right-2.svg),
      left 2% / auto 200px no-repeat url(../../img/aboutus/bg_left.svg),
      -7% 62% / auto 200px no-repeat url(../../img/aboutus/bg_left-2.svg),
      left 98% / auto 200px no-repeat url(../../img/aboutus/bg_left-3.svg);
  }

  .banner__textbox {
    top: 50%;
    left: 25%;
  }

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

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

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