/* web content */
.container {
  background-color: #ff6a01;
  position: relative;
  margin-top: 90px;
  overflow: hidden;
}
@media screen and (max-width: 736px) {
  .container {
    margin-top: 75px;
    background-image: url(../img/bg_container.png);
    background-size: cover;
    background-position: top center;
    background-repeat: no-repeat;
    overflow: hidden;
  }
}

/* anchor point */
#a01 {
  position: absolute;
  top: -90px;
}
#a02 {
  position: absolute;
  top: -90px;
}
#a03 {
  position: absolute;
  top: -90px;
}
@media screen and (max-width: 736px) {
  #a01 {
    top: -64px;
  }
  #a02 {
    top: -64px;
  }
  #a03 {
    top: -64px;
  }
}

/* banner */
.banner {
  width: 100%;
  background-image: url(../img/bg.png);
  background-size: cover;
  background-position: top center;
  background-repeat: no-repeat;
  overflow: hidden;
  z-index: 1;
}
@media screen and (max-width: 736px) {
  .banner {
    background-image: url(../img/title_mob_bg.jpg);
  }
}
.main {
  max-width: 950px;
  margin: 0 auto;
  overflow: hidden;
  z-index: 88;
}

/* common */
.box {
  padding: 32px 0;
  position: relative;
}
@media screen and (max-width: 736px) {
  .box {
    padding: 20px 16px;
  }
}
.content {
  max-width: 1000px;
  margin: 0 auto;
  overflow: hidden;
}
.title {
  text-align: center;
  line-height: 1.3;
  margin-bottom: 8px;
}
.title h2 {
  font-size: 32px;
  height: 46px;
  font-weight: bold;
  background-color: #ffe404;
  color: #8d3400;
  border-radius: 36px;
  display: inline-block;
  margin-bottom: 8px;
  padding: 4px 20px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}
@media screen and (max-width: 736px) {
  .title h2 {
    font-size: 26px;
    height: 38px;
  }
  .title {
    margin-bottom: 0;
  }
}
.title p {
  font-size: 26px;
  font-weight: 600;
  color: #ffffff;
}
@media screen and (max-width: 736px) {
  .title p {
    font-size: 22px;
    font-weight: 600;
    color: #ffffff;
  }
}
.more_btn {
  text-decoration: none;
  margin-right: 8px;
  font-size: 18px;
  font-weight: bold;
  color: #ffffff;
  transition: all 0.3s;
  text-align: right;
  margin-top: -4px;
}
.more_btn:hover {
  color: #ffe404;
}
@media screen and (max-width: 736px) {
  .more_btn {
    margin-top: -8px;
  }
}
/* subtitle */
.d_content_txt {
  width: 640px;
  text-align: center;
  line-height: 1.5;
  background-color: #fff;
  border: 3px #000000 solid;
  padding: 84px 0 20px;
  border-radius: 12px;
  margin-bottom: 12px;
  margin-top: -76px;
}
.d_content_txt > p {
  font-size: 24px;
  font-weight: bold;
}
@media screen and (max-width: 736px) {
  .d_content_txt_mob {
    text-align: center;
    line-height: 1.5;
    background-color: #fff;
    border: 2px #000000 solid;
    border-radius: 12px;
    margin: -48px 16px 20px;
    padding: 48px 12px 12px;
    z-index: 100;
  }
  .d_content_txt_mob > p {
    font-size: 16px;
    font-weight: bold;
  }
}

/* part_1 */
.part_1 {
  background-color: #ff7f25;
  padding-top: 40px;
  width: 100%;
  background-image: url(../img/bg_container.png);
  background-size: cover;
  background-position: top center;
  background-repeat: no-repeat;
  overflow: hidden;
  z-index: 1;
}
@media screen and (max-width: 736px) {
  .part_1 {
    padding-top: 8px;
    background-color: #ff832b;
  }
}

/* part_1 cards web */
.cards ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  list-style: none;
  overflow: hidden;
}
.cards li {
  margin: 0 18px;
}
.cards img {
  width: 280px;
}
@media screen and (max-width: 736px) {
  .cards ul {
    justify-content: center;
  }
  .cards_mob img {
    width: 300px;
    margin-bottom: 8px;
  }
  .cards_mob_btn {
    text-decoration: none;
    text-align: center;
    margin: 0 auto;
    margin-top: 8px;
    font-size: 22px;
    font-weight: bold;
    color: #ffffff;
    border-radius: 8px;
    width: 86%;
    height: 40px;
    line-height: 40px;
    background-color: #0b318f;
  }
}

/* part_2 & part_3 */
.part_2,
.part_3 {
  background-color: #ff7f25;
  width: 100%;
  background-image: url(../img/bg_container.png);
  background-size: cover;
  background-position: top center;
  background-repeat: no-repeat;
  overflow: hidden;
  z-index: 1;
  padding: 32px 0px 16px;
}
@media screen and (max-width: 736px) {
  .part_2,
  .part_3 {
    padding: 32px 16px 16px;
  }
  .part_2 {
    background-color: #ffac45;
  }
}
.video {
  width: 100%;
  margin-bottom: 12px;
}
.video ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  list-style: none;
  overflow: hidden;
}
.video li {
  width: calc(100% / 3 - 12px);
  margin: 8px 0px 4px;
}
@media screen and (max-width: 736px) {
  .video {
    margin-bottom: 6px;
  }
  .video li {
    width: 100%;
    margin: 8px 0px 12px;
  }
}
.video a {
  text-decoration: none;
}
.video_box {
  background-color: #ffffff;
  border-radius: 4px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
  transition: all 0.3s;
}
.video_img {
  width: 100%;
  height: 180px;
  overflow: hidden;
  position: relative;
}
/* .video_img:hover::before {
  content: '';
  width: 100%;
  height: 150px;
  border-radius: 8px 8px 0 0;
  position: absolute;
  z-index: 2;
  background-color: rgba(0, 0, 0, 0.2);
  background-image: url('../img/play-button.png');
  background-position: center;
  background-repeat: no-repeat;
  background-size: 50px;
  opacity: 0.7;
  transition: all 0.3s;
} */
/* .video_img img {
  border-radius: 8px 8px 0 0;
} */
.video_txt {
  text-align: center;
  padding: 8px;
  width: 100%;
}
.video_txt h5 {
  font-size: 20px;
  color: #000000;
  line-height: 1.5;
  font-weight: bold;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: all 0.3s;
}
.video_txt p {
  height: 52px;
  font-size: 16px;
  color: #636363;
  padding: 0 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-align: left;
}

/* part_4 */
.part_4 {
  background-color: #ff7f25;
  width: 100%;
  background-image: url(../img/bg_container.png);
  background-size: cover;
  background-position: top center;
  background-repeat: no-repeat;
  overflow: hidden;
  z-index: 1;
  padding-bottom: 60px;
}
@media screen and (max-width: 736px) {
  .part_4 {
    padding-bottom: 40px;
    background-color: #ffac45;
  }
}
.tools {
  width: 100%;
}
.tools ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  list-style: none;
  overflow: hidden;
}
.tools li {
  width: calc(100% / 4 - 12px);
  margin: 12px 6px 4px;
}
@media screen and (max-width: 736px) {
  .tools li {
    width: calc(100% / 2 - 12px);
  }
}
.tools_box {
  background-color: #ffffff;
  border: 3px #ffffff solid;
  /* border: 3px solid #000000; */
  /* box-shadow: 0 5px 0 #444444; */
  text-align: center;
  border-radius: 8px;
  padding: 12px;
  transition: all 0.3s;
}
.tools_box:hover {
  border: 3px #ffe404 solid;
  background-color: #ffe404;
}
.tools_box img {
  width: 100px;
}
.tools_box_txt h3 {
  font-size: 20px;
  color: #000000;
  line-height: 1.5;
  font-weight: bold;
  overflow: hidden;
  transition: all 0.3s;
}
.tools_box_txt p {
  font-size: 16px;
  color: #636363;
  line-height: 1.5;
  overflow: hidden;
}
@media screen and (max-width: 736px) {
  .tools_box img {
    width: 80px;
  }
}