@import url(https://fonts.googleapis.com/earlyaccess/notosanstc.css);
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;
  font: inherit;
  font-size: 100%;
  vertical-align: baseline;
}

* {
  position: relative;
  box-sizing: border-box;
  text-decoration: none;
}

html {
  line-height: 1;
}

ol, ul {
  list-style: none;
}

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

caption, th, td {
  text-align: left;
  font-weight: normal;
  vertical-align: middle;
}

q, blockquote {
  quotes: none;
}

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

a img {
  border: none;
}

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

#nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  height: 100px;
  background: #3f2818;
}

#nav:before {
  content: "";
  width: 100%;
  height: 73px;
  background: url("../common_images/header/header_deco.png") no-repeat center;
  position: absolute;
  bottom: -61px;
  z-index: 999;
  left: 0;
}


#wrap {
  width: 100%;
  min-width: 1280px;
  min-height: 788px;
  overflow: hidden;
  background: url(../img/bg.jpg)no-repeat top;
}

.logo {
  margin-left: 20px;
}

.menu_btn {
  display: flex;
  margin-left: 30px;
  height: 100px;
}
.menu_btn a {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0 15px;
}
.menu_btn a img {
  margin-top: 30px;
  -moz-transition: 0.3s;
  -o-transition: 0.3s;
  -webkit-transition: 0.3s;
  transition: 0.3s;
}
.menu_btn a:before {
  content: '';
  position: absolute;
  width: 100%;
  height: 0;
  left: 0;
  top: 0;
  background: #ff5527;
  -moz-transition: 0.3s;
  -o-transition: 0.3s;
  -webkit-transition: 0.3s;
  transition: 0.3s;
}
.menu_btn a:after {
  content: "";
  position: absolute;
  width: 19px;
  height: 17px;
  background: url("../common_images/header/menu_btn_sign.png") no-repeat center;
  left: 50%;
  top: 13px;
  -moz-transform: translateX(-50%) scale(0);
  -ms-transform: translateX(-50%) scale(0);
  -webkit-transform: translateX(-50%) scale(0);
  transform: translateX(-50%) scale(0);
  -moz-transition: 0.3s;
  -o-transition: 0.3s;
  -webkit-transition: 0.3s;
  transition: 0.3s;
}
.menu_btn a:hover:before {
  height: 100%;
}
.menu_btn a:hover:after {
  -moz-transform: translateX(-50%) scale(1);
  -ms-transform: translateX(-50%) scale(1);
  -webkit-transform: translateX(-50%) scale(1);
  transform: translateX(-50%) scale(1);
}
.menu_btn a:hover img {
  -moz-transform: translateY(5px);
  -ms-transform: translateY(5px);
  -webkit-transform: translateY(5px);
  transform: translateY(5px);
}

.community {
  margin-left: auto;
  display: flex;
}
.community li {
  margin-right: 20px;
}
.community a {
  display: block;
  -moz-transition: 0.3s;
  -o-transition: 0.3s;
  -webkit-transition: 0.3s;
  transition: 0.3s;
}
.community a:hover {
  opacity: 0.8;
}