/*reset */
@import url("https://fonts.googleapis.com/css2?family=Noto+Serif+TC:wght@200..900&display=swap");
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
}

article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section, img {
  display: block;
}

ol, ul {
  list-style: none;
}

blockquote, q {
  quotes: none;
}

blockquote:before, blockquote:after {
  content: "";
  content: none;
}

q:before, q:after {
  content: "";
  content: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

:focus {
  outline: none;
}

img {
  -moz-user-select: -moz-none;
  -ms-user-select: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

body {
  font-family: "Times New Roman", "Noto Serif TC", serif;
  font-size: 0.875em;
  letter-spacing: 0.1em;
  color: #fff;
  background-color: #282828;
}

.main {
  background-color: #282828;
}

a {
  text-decoration: none;
  color: #fff;
}

.wrapper {
  overflow: hidden;
}

.special {
  font-family: "Times New Roman", "Noto Serif TC", serif;
}

.titx {
  font-family: "Times New Roman", "Noto Serif TC", serif;
}

.big-title {
  position: absolute;
  bottom: calc(30% - 40px);
  left: 25%;
  z-index: 6;
}
.big-title-s {
  font-weight: normal;
  font-size: 0.875rem;
  letter-spacing: 0.5em;
  margin-bottom: 10px;
}
.big-title-b {
  font-weight: 500;
  font-size: 30px;
  letter-spacing: 0.1em;
  line-height: 1.2em;
}
.big-title:after {
  content: "";
  display: inline-block;
  width: 1px;
  height: 80px;
  background-color: #666;
  margin-top: 15px;
}

.line {
  position: relative;
  padding: 5vw 0;
  z-index: 3;
}
.line-in {
  width: 1px;
  height: 60px;
  background-color: #666;
  margin: 0 auto;
}

.title {
  position: relative;
  padding-left: 70px;
}
.title:before {
  content: "";
  position: absolute;
  top: 18px;
  left: 0;
  vertical-align: middle;
  width: 50px;
  height: 1px;
  background-color: #666;
}
.title-in {
  font-weight: normal;
  font-size: 24px;
  letter-spacing: 0.1em;
  line-height: 1.5em;
}
.title-tw {
  font-weight: normal;
  font-size: 18px;
  font-weight: 600;
}

.button {
  display: inline-block;
  position: relative;
}
.button:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: #000;
  -moz-transform: scaleX(0);
  -ms-transform: scaleX(0);
  -webkit-transform: scaleX(0);
  transform: scaleX(0);
  -moz-transform-origin: left 50%;
  -ms-transform-origin: left 50%;
  -webkit-transform-origin: left 50%;
  transform-origin: left 50%;
  -moz-transition: -moz-transform 0.5s ease-in-out 0.3s;
  -o-transition: -o-transform 0.5s ease-in-out 0.3s;
  -webkit-transition: -webkit-transform 0.5s ease-in-out;
  -webkit-transition-delay: 0.3s;
  transition: transform 0.5s ease-in-out 0.3s;
}
.button:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: #000;
  -moz-transform: scaleX(0);
  -ms-transform: scaleX(0);
  -webkit-transform: scaleX(0);
  transform: scaleX(0);
  -moz-transform-origin: right 50%;
  -ms-transform-origin: right 50%;
  -webkit-transform-origin: right 50%;
  transform-origin: right 50%;
  -moz-transition: -moz-transform 0.5s ease-in-out 0.3s;
  -o-transition: -o-transform 0.5s ease-in-out 0.3s;
  -webkit-transition: -webkit-transform 0.5s ease-in-out;
  -webkit-transition-delay: 0.3s;
  transition: transform 0.5s ease-in-out 0.3s;
}
.button-box {
  border: 1px solid #333;
  padding: 10px 30px;
  letter-spacing: 0.5em;
  display: inline-block;
}
.button-box:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 100%;
  background-color: #000;
  -moz-transform: scaleY(0.4);
  -ms-transform: scaleY(0.4);
  -webkit-transform: scaleY(0.4);
  transform: scaleY(0.4);
  -moz-transform-origin: center 50%;
  -ms-transform-origin: center 50%;
  -webkit-transform-origin: center 50%;
  transform-origin: center 50%;
  -moz-transition: -moz-transform 0.5s ease-in-out;
  -o-transition: -o-transform 0.5s ease-in-out;
  -webkit-transition: -webkit-transform 0.5s ease-in-out;
  transition: transform 0.5s ease-in-out;
}
.button-box:after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 1px;
  height: 100%;
  background-color: #000;
  -moz-transform: scaleY(0.4);
  -ms-transform: scaleY(0.4);
  -webkit-transform: scaleY(0.4);
  transform: scaleY(0.4);
  -moz-transform-origin: center 50%;
  -ms-transform-origin: center 50%;
  -webkit-transform-origin: center 50%;
  transform-origin: center 50%;
  -moz-transition: -moz-transform 0.5s ease-in-out;
  -o-transition: -o-transform 0.5s ease-in-out;
  -webkit-transition: -webkit-transform 0.5s ease-in-out;
  transition: transform 0.5s ease-in-out;
}
.button:hover:before {
  -moz-transform: scaleX(1);
  -ms-transform: scaleX(1);
  -webkit-transform: scaleX(1);
  transform: scaleX(1);
}
.button:hover:after {
  -moz-transform: scaleX(1);
  -ms-transform: scaleX(1);
  -webkit-transform: scaleX(1);
  transform: scaleX(1);
}
.button:hover .button-box:before {
  -moz-transform: scaleY(1);
  -ms-transform: scaleY(1);
  -webkit-transform: scaleY(1);
  transform: scaleY(1);
}
.button:hover .button-box:after {
  -moz-transform: scaleY(1);
  -ms-transform: scaleY(1);
  -webkit-transform: scaleY(1);
  transform: scaleY(1);
}

.line-in {
  -moz-transform: scaleY(0);
  -ms-transform: scaleY(0);
  -webkit-transform: scaleY(0);
  transform: scaleY(0);
  -moz-transform-origin: center top;
  -ms-transform-origin: center top;
  -webkit-transform-origin: center top;
  transform-origin: center top;
  -moz-transition: -moz-transform 0.8s ease;
  -o-transition: -o-transform 0.8s ease;
  -webkit-transition: -webkit-transform 0.8s ease;
  transition: transform 0.8s ease;
}
.line-in.show {
  -moz-transform: scaleY(1);
  -ms-transform: scaleY(1);
  -webkit-transform: scaleY(1);
  transform: scaleY(1);
}

.title:before {
  -moz-transform: scaleX(0);
  -ms-transform: scaleX(0);
  -webkit-transform: scaleX(0);
  transform: scaleX(0);
  -moz-transform-origin: left 50%;
  -ms-transform-origin: left 50%;
  -webkit-transform-origin: left 50%;
  transform-origin: left 50%;
  -moz-transition: -moz-transform 0.5s ease 0.3s;
  -o-transition: -o-transform 0.5s ease 0.3s;
  -webkit-transition: -webkit-transform 0.5s ease;
  -webkit-transition-delay: 0.3s;
  transition: transform 0.5s ease 0.3s;
}
.title-in {
  overflow: hidden;
  opacity: 0;
  -moz-transform: translateY(30px);
  -ms-transform: translateY(30px);
  -webkit-transform: translateY(30px);
  transform: translateY(30px);
  -moz-transition: opacity 0.6s, -moz-transform 0.6s ease-in-out;
  -o-transition: opacity 0.6s, -o-transform 0.6s ease-in-out;
  -webkit-transition: opacity 0.6s, -webkit-transform 0.6s ease-in-out;
  transition: opacity 0.6s, transform 0.6s ease-in-out;
}
.title-tw {
  opacity: 0;
  -moz-transition: opacity 0.6s;
  -o-transition: opacity 0.6s;
  -webkit-transition: opacity 0.6s;
  transition: opacity 0.6s;
}
.title.show:before {
  -moz-transform: scaleX(1);
  -ms-transform: scaleX(1);
  -webkit-transform: scaleX(1);
  transform: scaleX(1);
}
.title.show .title-in {
  opacity: 1;
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  transform: translateY(0);
}
.title.show .title-tw {
  opacity: 1;
  -moz-transition-delay: 0.3s;
  -o-transition-delay: 0.3s;
  -webkit-transition-delay: 0.3s;
  transition-delay: 0.3s;
}

.button {
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  transform: translateY(0);
  -moz-transition: -moz-transform 0.8s ease-out 2s;
  -o-transition: -o-transform 0.8s ease-out 2s;
  -webkit-transition: -webkit-transform 0.8s ease-out;
  -webkit-transition-delay: 2s;
  transition: transform 0.8s ease-out 2s;
}

.contact {
  padding: 5vw 0;
  background-color: #434343;
}
.contact-inner {
  position: relative;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  -webkit-flex-direction: column;
  flex-direction: column;
  width: 90%;
  max-width: 1200px;
  height: 350px;
  margin: auto;
  padding: 0 5%;
}
.contact-logo {
  width: 80px;
  margin: auto 0;
  opacity: 0;
  -moz-transition: opacity 1s;
  -o-transition: opacity 1s;
  -webkit-transition: opacity 1s;
  transition: opacity 1s;
}
.contact-logo img {
  width: 100%;
}
.contact-logo .bl {
  display: block;
}
.contact-logo .wh {
  display: none;
}
.contact-title {
  margin-top: 10px;
  padding-left: 0;
  white-space: nowrap;
}
.contact-title:before {
  content: none;
}
.contact-info {
  width: 450px;
  margin: auto 0;
  opacity: 0;
  -moz-transform: translateY(30px);
  -ms-transform: translateY(30px);
  -webkit-transform: translateY(30px);
  transform: translateY(30px);
  -moz-transition: -moz-transform 0.6s, opacity 0.6s;
  -o-transition: -o-transform 0.6s, opacity 0.6s;
  -webkit-transition: -webkit-transform 0.6s, opacity 0.6s;
  transition: transform 0.6s, opacity 0.6s;
}
.contact-info li {
  display: -ms-flexbox;
  display: flex;
  margin-bottom: 10px;
}
.contact-info li:last-child {
  margin-bottom: 0;
}
.contact-info a:hover {
  color: #999;
}
.contact-subtitle {
  width: 90px;
}
.contact-map {
  position: relative;
  width: calc(100% - 450px);
  height: 350px;
}
.contact-map iframe {
  position: absolute;
  top: 0;
  width: 100%;
  height: 100%;
}
.contact-map:after {
  content: "";
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 100%;
  background: #434343;
  -moz-transition: height 1s;
  -o-transition: height 1s;
  -webkit-transition: height 1s;
  transition: height 1s;
}
.contact.show .contact-logo {
  opacity: 1;
}
.contact.show .contact-info {
  opacity: 1;
  -moz-transform: translateY(0px);
  -ms-transform: translateY(0px);
  -webkit-transform: translateY(0px);
  transform: translateY(0px);
}
.contact.show .contact-map:after {
  height: 0;
}

@media screen and (max-width: 1100px) {
  body {
    background-color: #fff;
    color: #000;
  }

  .main {
    background-color: #fff;
  }

  a {
    text-decoration: none;
    color: #000;
  }

  .line-in {
    height: 50px;
  }

  .title {
    width: unset;
    padding-left: 50px;
  }
  .title-in {
    font-size: 22px;
  }
  .title:before {
    width: 30px;
  }

  .button-box {
    border: 1px solid #ddd;
  }

  .contact {
    background-color: #efefef;
    padding: 10vw 0 0;
  }
  .contact-inner {
    width: auto;
    padding: 0;
    -webkit-flex-direction: row;
    flex-direction: row;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    height: auto;
  }
  .contact-logo {
    width: 70px;
    margin: 0 5%;
  }
  .contact-logo .bl {
    display: none;
  }
  .contact-logo .wh {
    display: block;
  }
  .contact-title {
    padding-left: 0;
  }
  .contact-map {
    margin-top: 10vw;
    width: 100%;
    height: 400px;
  }
  .contact-map:after {
    background: #efefef;
  }
  .contact-info {
    width: auto;
    margin: 0 5%;
  }
}
@media screen and (max-width: 860px) {
  .line {
    padding: 8vh 0;
  }

  .contact {
    padding-top: 8vh;
  }
}
@media screen and (max-width: 640px) {
  .line-in {
    height: 40px;
  }

  .title {
    padding-left: 45px;
  }
  .title-in {
    font-size: 20px;
  }

  .contact-title {
    padding-left: 0;
  }
  .contact-logo {
    margin-bottom: 20px;
  }
  .contact-map {
    margin-top: 8vh;
  }
  .contact-info {
    width: 100%;
  }
  .contact-info li {
    display: block;
    margin: 20px 0 10px 0;
  }
  .contact-info li:last-child {
    margin-bottom: 0;
  }
  .contact-subtitle {
    margin-bottom: 10px;
  }
  .contact-text {
    padding-left: 10px;
    border-left: #aaa solid 1px;
  }
}
@media screen and (max-width: 460px) {
  .button-box {
    padding: 10px 20px;
  }
  .button-box:before {
    opacity: 0;
  }
  .button-box:after {
    opacity: 0;
  }
}
@media screen and (max-width: 460px), (max-width: 860px) and (max-height: 500px) {
  .contact-logo {
    width: 60px;
  }
}
/*header nav */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  box-sizing: border-box;
  padding: 10px 50px;
  margin-top: 40px;
  overflow: hidden;
  z-index: 10;
  -moz-transition: margin 0.5s 0.3s, background 0.3s;
  -o-transition: margin 0.5s 0.3s, background 0.3s;
  -webkit-transition: margin 0.5s, background 0.3s;
  -webkit-transition-delay: 0.3s, 0s;
  transition: margin 0.5s 0.3s, background 0.3s;
}
.header .logo {
  width: 80px;
  float: left;
  position: relative;
  z-index: 20;
}
.header .logo img {
  width: 100%;
}
.header .logo .bl {
  display: block;
}
.header .logo .wh {
  display: none;
}
.header.sc {
  margin-top: 0;
  background-color: #282828;
  -moz-transition: margin 0.5s, background 0.5s 0.3s;
  -o-transition: margin 0.5s, background 0.5s 0.3s;
  -webkit-transition: margin 0.5s, background 0.5s;
  -webkit-transition-delay: 0s, 0.3s;
  transition: margin 0.5s, background 0.5s 0.3s;
}

.burger {
  cursor: pointer;
  position: absolute;
  top: 24px;
  right: 50px;
  width: 21px;
  height: 21px;
  display: flex;
  flex-wrap: wrap;
  border: 1px solid #999;
  padding: 2px;
  opacity: 0;
  pointer-events: none;
  z-index: 20;
}
.burger-dot {
  width: 3px;
  height: 3px;
  background-color: #fff;
  margin: 2px;
  -moz-transition: opacity 0.3s;
  -o-transition: opacity 0.3s;
  -webkit-transition: opacity 0.3s;
  transition: opacity 0.3s;
}
.burger:before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 1px;
  background-color: #fff;
  -moz-transform: translate(-50%, -50%) rotate(45deg);
  -ms-transform: translate(-50%, -50%) rotate(45deg);
  -webkit-transform: translate(-50%, -50%) rotate(45deg);
  transform: translate(-50%, -50%) rotate(45deg);
  opacity: 0;
  -moz-transition: opacity 0.3s;
  -o-transition: opacity 0.3s;
  -webkit-transition: opacity 0.3s;
  transition: opacity 0.3s;
}
.burger:after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 1px;
  background-color: #fff;
  -moz-transform: translate(-50%, -50%) rotate(-45deg);
  -ms-transform: translate(-50%, -50%) rotate(-45deg);
  -webkit-transform: translate(-50%, -50%) rotate(-45deg);
  transform: translate(-50%, -50%) rotate(-45deg);
  opacity: 0;
  -moz-transition: opacity 0.3s;
  -o-transition: opacity 0.3s;
  -webkit-transition: opacity 0.3s;
  transition: opacity 0.3s;
}
.burger.show .burger-dot {
  opacity: 0;
}
.burger.show:before {
  opacity: 1;
}
.burger.show:after {
  opacity: 1;
}

.nav {
  float: right;
  z-index: 15;
}
.nav ul {
  margin-top: 20px;
}
.nav li {
  cursor: pointer;
  display: inline-block;
  position: relative;
  width: 70px;
  text-align: center;
  margin-left: 30px;
  line-height: 20px;
}
.nav li .tw {
  position: absolute;
  top: 0;
  width: 70px;
  left: 50%;
  -moz-transform: translate(-50%);
  -ms-transform: translate(-50%);
  -webkit-transform: translate(-50%);
  transform: translate(-50%);
  opacity: 0;
  -moz-transition: opacity 0.3s;
  -o-transition: opacity 0.3s;
  -webkit-transition: opacity 0.3s;
  transition: opacity 0.3s;
}
.nav li .en {
  font-weight: 400;
  -moz-transition: opacity 0.3s;
  -o-transition: opacity 0.3s;
  -webkit-transition: opacity 0.3s;
  transition: opacity 0.3s;
}
.nav li:after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  -moz-transform: translate(-50%, -50%) scale(0);
  -ms-transform: translate(-50%, -50%) scale(0);
  -webkit-transform: translate(-50%, -50%) scale(0);
  transform: translate(-50%, -50%) scale(0);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #fff;
  opacity: 0;
  -moz-transition: opacity 0.5s, -moz-transform 0.3s;
  -o-transition: opacity 0.5s, -o-transform 0.3s;
  -webkit-transition: opacity 0.5s, -webkit-transform 0.3s;
  transition: opacity 0.5s, transform 0.3s;
  z-index: -1;
}
.nav li:hover .tw {
  opacity: 0.7;
}
.nav li:hover .en {
  opacity: 0;
}
.nav li:hover:after {
  opacity: 0.2;
  -moz-transform: translate(-50%, -50%) scale(1);
  -ms-transform: translate(-50%, -50%) scale(1);
  -webkit-transform: translate(-50%, -50%) scale(1);
  transform: translate(-50%, -50%) scale(1);
}
.nav .fb-icon {
  width: 20px;
}
.nav .on {
  opacity: 0.7;
}
.nav .on:after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #fff;
  opacity: 0.2;
  -moz-transition: opacity 0.5s;
  -o-transition: opacity 0.5s;
  -webkit-transition: opacity 0.5s;
  transition: opacity 0.5s;
  z-index: -1;
}

@media screen and (max-width: 1100px) {
  .header {
    margin-top: 0;
    background-color: #f3f3f3;
    overflow: unset;
  }
  .header .logo {
    width: 70px;
  }
  .header .logo .bl {
    display: none;
  }
  .header .logo .wh {
    display: block;
  }
  .header.show {
    height: 100vh;
  }
  .header.sc {
    background-color: #f3f3f3;
  }

  .burger {
    border: 1px solid #999;
    opacity: 1;
    pointer-events: auto;
  }
  .burger:before {
    background-color: #666;
  }
  .burger:after {
    background-color: #666;
  }
  .burger-dot {
    background-color: #666;
  }

  .nav {
    float: none;
    position: absolute;
    top: 0;
    left: 0;
    height: 100vh;
    width: 100vw;
    display: flex;
    align-items: center;
    pointer-events: none;
  }
  .nav ul {
    width: 100%;
    padding-left: 50px;
    margin-top: 0;
  }
  .nav li {
    display: block;
    text-align: left;
    width: 90px;
    font-size: 20px;
    margin: 5vh 0;
    opacity: 0;
    -moz-transform: translateY(20px);
    -ms-transform: translateY(20px);
    -webkit-transform: translateY(20px);
    transform: translateY(20px);
    -moz-transition: opacity 0.2s, -moz-transform 0.2s;
    -o-transition: opacity 0.2s, -o-transform 0.2s;
    -webkit-transition: opacity 0.2s, -webkit-transform 0.2s;
    transition: opacity 0.2s, transform 0.2s;
    -moz-transition-delay: 0s;
    -o-transition-delay: 0s;
    -webkit-transition-delay: 0s;
    transition-delay: 0s;
  }
  .nav li .en {
    font-weight: 600;
  }
  .nav li .tw {
    width: unset;
    left: 0;
    -moz-transform: translate(0);
    -ms-transform: translate(0);
    -webkit-transform: translate(0);
    transform: translate(0);
  }
  .nav li:after {
    display: none;
  }
  .nav .fb-icon {
    width: unset;
  }
  .nav .on {
    opacity: 0;
  }
  .nav.show {
    pointer-events: auto;
  }
  .nav.show .on {
    opacity: 0.7;
  }
  .nav.show li {
    opacity: 1;
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -webkit-transform: translateY(0);
    transform: translateY(0);
    -moz-transition: opacity 0.6s, -moz-transform 0.5s;
    -o-transition: opacity 0.6s, -o-transform 0.5s;
    -webkit-transition: opacity 0.6s, -webkit-transform 0.5s;
    transition: opacity 0.6s, transform 0.5s;
  }
  .nav.show li:nth-child(1) {
    -moz-transition-delay: 0.3s;
    -o-transition-delay: 0.3s;
    -webkit-transition-delay: 0.3s;
    transition-delay: 0.3s;
  }
  .nav.show li:nth-child(2) {
    -moz-transition-delay: 0.4s;
    -o-transition-delay: 0.4s;
    -webkit-transition-delay: 0.4s;
    transition-delay: 0.4s;
  }
  .nav.show li:nth-child(3) {
    -moz-transition-delay: 0.5s;
    -o-transition-delay: 0.5s;
    -webkit-transition-delay: 0.5s;
    transition-delay: 0.5s;
  }
  .nav.show li:nth-child(4) {
    -moz-transition-delay: 0.6s;
    -o-transition-delay: 0.6s;
    -webkit-transition-delay: 0.6s;
    transition-delay: 0.6s;
  }
  .nav.show li:nth-child(5) {
    -moz-transition-delay: 0.7s;
    -o-transition-delay: 0.7s;
    -webkit-transition-delay: 0.7s;
    transition-delay: 0.7s;
  }
  .nav.show li:nth-child(6) {
    -moz-transition-delay: 0.8s;
    -o-transition-delay: 0.8s;
    -webkit-transition-delay: 0.8s;
    transition-delay: 0.8s;
  }
}
@media screen and (max-width: 860px) {
  .header {
    padding: 10px 30px;
  }

  .burger {
    right: 30px;
  }
}
@media screen and (max-width: 460px), (max-width: 860px) and (max-height: 500px) {
  .header {
    padding: 10px 20px;
  }
  .header .logo {
    width: 60px;
  }

  .burger {
    top: 19px;
    right: 20px;
  }

  .nav ul {
    padding-left: 30px;
  }
  .nav li {
    font-size: 16px;
  }
}
@media (max-width: 860px) and (max-height: 500px) {
  .nav ul {
    margin-top: 60px;
  }
  .nav li {
    font-size: 14px;
  }
}
/*footer */
.footer {
  font-size: 12px;
  letter-spacing: 0.2em;
  line-height: 1.5em;
  color: #999;
  padding: 15px 50px;
  border-top: 1px solid #333;
  background-color: #282828;
  overflow: auto;
}
.footer a {
  color: #999;
}
.footer a:hover {
  color: #ccc;
}
.footer-copyright {
  float: left;
}
.footer-jc {
  float: right;
}

/*scrolldown */
.scrolldown {
  cursor: pointer;
  width: 1px;
  height: 80px;
  background-color: #fff;
  position: absolute;
  bottom: 0;
  left: 50%;
  margin: 0 10px;
  opacity: 0.5;
  z-index: 6;
  -moz-animation: down 2s cubic-bezier(0.81, 0.15, 0.26, 0.99) infinite;
  -webkit-animation: down 2s cubic-bezier(0.81, 0.15, 0.26, 0.99) infinite;
  animation: down 2s cubic-bezier(0.81, 0.15, 0.26, 0.99) infinite;
}

@-moz-keyframes down {
  0% {
    -moz-transform-origin: center bottom;
    transform-origin: center bottom;
    -moz-transform: scaleY(1);
    transform: scaleY(1);
  }
  45% {
    -moz-transform-origin: center bottom;
    transform-origin: center bottom;
    -moz-transform: scaleY(0);
    transform: scaleY(0);
  }
  65% {
    -moz-transform-origin: center top;
    transform-origin: center top;
    -moz-transform: scaleY(0);
    transform: scaleY(0);
  }
  85% {
    -moz-transform-origin: center top;
    transform-origin: center top;
    -moz-transform: scaleY(1);
    transform: scaleY(1);
  }
}
@-webkit-keyframes down {
  0% {
    -webkit-transform-origin: center bottom;
    transform-origin: center bottom;
    -webkit-transform: scaleY(1);
    transform: scaleY(1);
  }
  45% {
    -webkit-transform-origin: center bottom;
    transform-origin: center bottom;
    -webkit-transform: scaleY(0);
    transform: scaleY(0);
  }
  65% {
    -webkit-transform-origin: center top;
    transform-origin: center top;
    -webkit-transform: scaleY(0);
    transform: scaleY(0);
  }
  85% {
    -webkit-transform-origin: center top;
    transform-origin: center top;
    -webkit-transform: scaleY(1);
    transform: scaleY(1);
  }
}
@keyframes down {
  0% {
    -moz-transform-origin: center bottom;
    -ms-transform-origin: center bottom;
    -webkit-transform-origin: center bottom;
    transform-origin: center bottom;
    -moz-transform: scaleY(1);
    -ms-transform: scaleY(1);
    -webkit-transform: scaleY(1);
    transform: scaleY(1);
  }
  45% {
    -moz-transform-origin: center bottom;
    -ms-transform-origin: center bottom;
    -webkit-transform-origin: center bottom;
    transform-origin: center bottom;
    -moz-transform: scaleY(0);
    -ms-transform: scaleY(0);
    -webkit-transform: scaleY(0);
    transform: scaleY(0);
  }
  65% {
    -moz-transform-origin: center top;
    -ms-transform-origin: center top;
    -webkit-transform-origin: center top;
    transform-origin: center top;
    -moz-transform: scaleY(0);
    -ms-transform: scaleY(0);
    -webkit-transform: scaleY(0);
    transform: scaleY(0);
  }
  85% {
    -moz-transform-origin: center top;
    -ms-transform-origin: center top;
    -webkit-transform-origin: center top;
    transform-origin: center top;
    -moz-transform: scaleY(1);
    -ms-transform: scaleY(1);
    -webkit-transform: scaleY(1);
    transform: scaleY(1);
  }
}
/*scrolltop */
.scrolltop {
  cursor: pointer;
  position: fixed;
  right: 20px;
  bottom: 15px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: #333;
  opacity: 0;
  -moz-transform: translateY(30px);
  -ms-transform: translateY(30px);
  -webkit-transform: translateY(30px);
  transform: translateY(30px);
  -moz-transition: background 0.3s, opacity 0.3s, -moz-transform 0.3s;
  -o-transition: background 0.3s, opacity 0.3s, -o-transform 0.3s;
  -webkit-transition: background 0.3s, opacity 0.3s, -webkit-transform 0.3s;
  transition: background 0.3s, opacity 0.3s, transform 0.3s;
  z-index: 8;
}
.scrolltop img {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 15px;
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}
.scrolltop:hover {
  background-color: #666;
}
.scrolltop.show {
  opacity: 1;
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  transform: translateY(0);
}

/*media */
.media {
  position: fixed;
  right: 20px;
  bottom: 150px;
  width: 40px;
  height: 40px;
  z-index: 8;
  opacity: 0;
  -moz-transform: translateY(30px);
  -ms-transform: translateY(30px);
  -webkit-transform: translateY(30px);
  transform: translateY(30px);
  -moz-transition: opacity 0.3s, -moz-transform 0.3s;
  -o-transition: opacity 0.3s, -o-transform 0.3s;
  -webkit-transition: opacity 0.3s, -webkit-transform 0.3s;
  transition: opacity 0.3s, transform 0.3s;
}
.media.show {
  opacity: 1;
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  transform: translateY(0);
}
.media a {
  margin-bottom: 5px;
  display: block;
  width: 40px;
  height: 40px;
  background: #333;
  border-radius: 50%;
  position: relative;
}
.media img {
  width: 30px;
  position: absolute;
  top: 50%;
  left: 50%;
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}

@media screen and (max-width: 1100px) {
  .footer {
    border-top: 1px solid #dadada;
    background-color: #f3f3f3;
    padding-right: 80px;
  }
  .footer-copyright {
    float: none;
  }
  .footer-jc {
    float: none;
    margin-top: 5px;
  }

  .scrolltop {
    background-color: #ccc;
  }

  .media a {
    background: #ccc;
  }
}
@media screen and (max-width: 860px) {
  .footer {
    letter-spacing: 0.1em;
    padding-left: 30px;
  }
}
@media screen and (max-width: 460px) {
  .footer {
    padding-left: 20px;
  }
}
/*loading */
#loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1001;
}
#loading .mask {
  width: 100vw;
  height: 100vh;
}
#loading .mask:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: #000;
  -moz-transform: scaleX(1);
  -ms-transform: scaleX(1);
  -webkit-transform: scaleX(1);
  transform: scaleX(1);
  -moz-transform-origin: left center;
  -ms-transform-origin: left center;
  -webkit-transform-origin: left center;
  transform-origin: left center;
  -moz-transition: -moz-transform 1s ease-in-out;
  -o-transition: -o-transform 1s ease-in-out;
  -webkit-transition: -webkit-transform 1s ease-in-out;
  transition: transform 1s ease-in-out;
  -moz-transition-delay: 0.2s;
  -o-transition-delay: 0.2s;
  -webkit-transition-delay: 0.2s;
  transition-delay: 0.2s;
  opacity: 0.5;
  z-index: 998;
}
#loading .mask:after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: #434343;
  -moz-transform: scaleX(1);
  -ms-transform: scaleX(1);
  -webkit-transform: scaleX(1);
  transform: scaleX(1);
  -moz-transform-origin: left center;
  -ms-transform-origin: left center;
  -webkit-transform-origin: left center;
  transform-origin: left center;
  -moz-transition: -moz-transform 0.8s ease-in-out;
  -o-transition: -o-transform 0.8s ease-in-out;
  -webkit-transition: -webkit-transform 0.8s ease-in-out;
  transition: transform 0.8s ease-in-out;
  -moz-transition-delay: 0.2s;
  -o-transition-delay: 0.2s;
  -webkit-transition-delay: 0.2s;
  transition-delay: 0.2s;
  z-index: 999;
}
#loading.show .mask:before {
  -moz-transform: scaleX(0);
  -ms-transform: scaleX(0);
  -webkit-transform: scaleX(0);
  transform: scaleX(0);
}
#loading.show .mask:after {
  -moz-transform: scaleX(0);
  -ms-transform: scaleX(0);
  -webkit-transform: scaleX(0);
  transform: scaleX(0);
}

.loading {
  width: 80px;
  position: absolute;
  top: 50vh;
  left: 50vw;
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  z-index: 1000;
}
.loading img {
  width: 100%;
  padding-bottom: 10px;
}
.loading .bl {
  display: block;
}
.loading .wh {
  display: none;
}

@media screen and (max-width: 1100px) {
  #loading .mask:before {
    background-color: #ddd;
  }
  #loading .mask:after {
    background-color: #fff;
  }
  #loading .intro-box:before {
    background-color: #fff;
  }
  #loading .intro-box:after {
    background-color: #fff;
  }

  .loading .bl {
    display: none;
  }
  .loading .wh {
    display: block;
  }
}