@charset "utf-8";
/* CSS Document */
.section_about {
  background: url(../images/about/about.jpg) no-repeat center top;
  background-size: cover;
  position: relative;
  z-index: 2;
}

/* menu */
.logo svg path {
  fill: var(--white-color);
}
.active .logo svg path {
  fill: #272828;
}
.section_about nav > ul > li.nav_item > a {
  color: rgba(249, 246, 240, 0.4);
}
.section_about .active nav > ul > li.nav_item > a {
  color: #000;
}
.section_about nav > ul > li.nav_item > a:hover {
  color: rgba(249, 246, 240, 1);
}
.section_about .active nav > ul > li.nav_item > a:hover {
  color: var(--second_color);
}
.section_about .hamburgerbox .hamburger_line {
  background-color: rgba(249, 246, 240, 0.4);
}
.section_about .active .hamburgerbox .hamburger_line {
  background-color: #555;
}
.section_about nav > ul > li.nav_item > a:hover:after {
  display: none;
}
.section_about .active nav > ul > li.nav_item > a:hover:after {
  color: var(--second_color);
  display: block;
}
.header_nav_function_wrap ul li a {
  color: rgba(249, 246, 240, 0.4);
}
.active .header_nav_function_wrap ul li a {
  color: #000;
}
.header_nav_function_wrap ul li a:hover {
  color: rgba(249, 246, 240, 1);
}
.active .header_nav_function_wrap ul li a:hover {
  color: var(--second_color);
}
.header_wrap {
  border-bottom-color: rgba(249, 246, 240, 0.4);
}
.nav_open nav ul li > a {
  color: var(--white-color);
}
.section_about .nav_open .hamburgerbox .hamburger_line {
  background-color: var(--white-color);
}
.section_about .nav_open nav > ul > li.nav_item > a {
  color: var(--white-color);
}
.section_about .nav_open .hamburgerbox .hamburger_line:nth-child(2) {
  display: none;
}
.section_about .nav_open.active nav > ul > li.nav_item > a:hover {
  color: #fff;
}
.section_about .nav_open.active nav > ul > li.nav_item > a:after {
  display: none;
}
.section_about .nav_open.active .header_nav_function_wrap ul li a {
  color: #fff;
}
.section_about .nav_open .hamburgerbox .hamburger_line:nth-child(1) {
  top: 15px;
}
.section_about .nav_open .hamburgerbox .hamburger_line:nth-child(3) {
}

/* menu */

.splash {
  height: 0;
  color: #fff;
  text-align: center;
  position: relative;
  padding-bottom: 40%;
  z-index: 0;
}
.splash .title_wrap {
  padding: 600px 0rem 0 0rem;
}
.section_about_text {
  text-align: center;
  padding: 58px 0 120px;
}
.section_about_text .title {
  margin-bottom: 24px;
  font-weight: 400;
}
.section_about_text .title_wrap {
  margin-bottom: 104px;
}

.section_concept {
  background-color: #f8f0e5;
  padding: 240px 0 160px;
}
.section_concept .title_wrap {
  text-align: center;
  margin-bottom: 80px;
}
.section_concept .aside {
  flex: 0 0 31.67%;
}
.section_concept ul li {
  margin-bottom: 120px;
  align-items: center;
}
.section_concept ul li .primary_wrap {
  margin-right: 120px;
}
.section_concept ul li .number {
  width: 29px;
}
.section_concept ul li .title {
  margin-bottom: 24px;
  color: #84572d;
  font-weight: 400;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="64" height="6" fill="none" viewBox="0 0 64 6"><path fill="%23B29477" fill-rule="evenodd" d="M.479 3.604C5.8664-.4332 10.8715 1.936 12.6585 3.5725c2.0221 1.8522 7.4281 4.3672 13.2134.0317 5.3877-4.0375 10.393-1.6681 12.1798-.0315l.5548-1.1452c-2.0222-1.8521-7.4282-4.367-13.2135-.0315-5.3876 4.0374-10.3927 1.6682-12.1796.0316C11.1913.5755 5.7854-1.9394 0 2.396l.479 1.2082Zm50.7864 0c5.3877-4.0374 10.393-1.668 12.1798-.0314L64 2.4274c-2.0222-1.8521-7.4282-4.367-13.2135-.0315-5.3877 4.0375-10.3931 1.6681-12.1799.0315l-.5548 1.1452c2.0222 1.8521 7.4282 4.367 13.2136.0315Z" clip-rule="evenodd"/></svg>')
    no-repeat left bottom;
  padding-bottom: 8px;
}
.section_history {
  padding: 240px 0 100px 0;
  position: relative;
}
.section_history .title_wrap {
  text-align: center;
  margin-bottom: 80px;
}
.section_history .swiper:after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: #bebebe;
  z-index: 0;
  top: 93px;
}
.section_history ul li {
  padding: 80px 0 240px;
}

/* 指示左右滑小手 */
.tip {
  display: block;
  position: absolute;
  right: 80px;
  bottom: 120px;
}
.tip .content_img {
  position: relative;
  width: 44px;
  margin: auto;
}
.tip .content_img svg:nth-child(1) {
  transform: scaleX(-1);
  position: absolute;
  top: 10px;
  width: 25px;
}
.tip .content_img svg:nth-child(2) {
  position: absolute;
  top: 18px;
  width: 25px;
}
.tip .content_img svg:nth-child(3) {
  position: absolute;
  top: 20px;
  width: 25px;
  animation: p_flickRight1 1s linear infinite;
  transform-origin: center;
  transform: rotate(10deg);
}
@keyframes p_flickRight1 {
  0% {
    transform: rotate(-30deg);
  }
  50% {
    transform: rotate(-30deg);
  }
  65% {
    transform: rotate(-30deg);
  }
  80% {
    transform: rotate(35deg);
  }
  100% {
    transform: rotate(-30deg);
  }
}

@media screen and (min-width: 1101px) and (max-width: 1700px) {
  .tip {
    display: block;
    position: absolute;
    right: 30px;
    bottom: 120px;
  }
  .section_concept ul li .number {
    width: 25px;
  }
  .section_about_text {
    padding: 40px 0 96px;
  }
  .section_concept .title_wrap {
    margin-bottom: 64px;
  }
  .section_concept {
    padding: 192px 0 128px;
  }
  .section_concept ul li .primary_wrap {
    margin-right: 96px;
  }
  .section_concept ul li {
    margin-bottom: 96px;
  }
  .section_history {
    padding: 192px 0 100px 0;
  }
  .section_history .title_wrap {
    margin-bottom: 64px;
  }
  .section_history ul li {
    padding: 64px 0 188px;
  }
  .splash .title_wrap {
    padding: 500px 0rem 0 0rem;
  }
  .section_about_text .title_wrap {
    margin-bottom: 50px;
  }
}
@media screen and (max-width: 1500px) {
  .splash .title_wrap {
    padding: 530px 0rem 0 0rem;
  }
  .splash {
    padding-bottom: 53%;
  }
}
@media screen and (max-width: 1200px) {
  .splash .title_wrap {
    padding: 430px 0rem 0 0rem;
  }
}

@media screen and (max-width: 1100px) {
  .tip {
    display: block;
    position: absolute;
    right: 10px;
    bottom: 120px;
  }
  .section_about_text .icon-list {
    display: block;
    margin: auto;
  }
  .section_about_text {
    padding: 40px 0 80px;
  }

  .section_concept .title_wrap {
    margin-bottom: 40px;
  }
  .section_concept ul li .aside {
    margin-bottom: 40px;
  }
  .section_concept ul li .aside img {
    max-width: 300px;
    margin: auto;
  }
  .section_concept ul li .primary_wrap {
    text-align: center;
  }
  .section_concept ul li .primary_wrap {
    margin-right: revert;
  }
  .section_concept ul li .number {
    margin: 0 auto 8px;
  }
  .section_concept ul li .title {
    background-position: center bottom;
  }
  .section_concept ul li {
    flex-direction: column-reverse;
    margin-bottom: 80px;
  }
  .section_concept {
    padding: 80px 0 144px;
  }
  .section_history {
    padding: 120px 0 0;
  }
  .section_history .title_wrap {
    margin-bottom: 40px;
  }

  .section_history .swiper:after {
    top: 54px;
  }
  .splash {
    padding-bottom: 70%;
  }
  .section_about_text .title_wrap {
    margin-bottom: 50px;
  }
}
@media screen and (max-width: 1000px) {
  .splash .title_wrap {
    padding: 480px 0rem 0 0rem;
  }
}

@media screen and (max-width: 800px) {
  .tip {
    bottom: 100px;
  }
}

@media screen and (max-width: 700px) {
  .splash {
    padding-bottom: 110%;
  }
  .splash .title_wrap {
    padding: 540px 0rem 0 0rem;
  }
}
@media screen and (max-width: 600px) {
  .splash .title_wrap {
    padding: 310px 0rem 0 0rem;
  }
}