@charset "UTF-8";
@import url(reset.css);
/*-------------------------

       L A Y O U T

-------------------------*/
/*body*/
body {
  font-family: "微軟正黑體", Arial, Helvetica, serif;
  font-size: 15px;
  min-width: 320px;
  width: 100%;
}

#Document {
  overflow: hidden;
}

.bg {
  background: url("../images/index_bg.jpg") top center no-repeat;
}

.clearfix {
  content: ".";
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
}

* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

a {
  text-decoration: none;
}

.fb_bt {
  width: 140px;
  height: 50px;
  display: block;
  background: linear-gradient(#067fe3, #175fa7);
  color: #fff;
  font-size: 1.125rem;
  text-align: center;
  line-height: 50px;
  letter-spacing: 1px;
  float: right;
  margin: 20px -40px 0 0px;
}
.fb_bt .t_20 {
  font-family: "Arial";
  font-size: 1.5rem;
  font-weight: bold;
}
.fb_bt:hover {
  background: linear-gradient(#175fa7, #067fe3);
}

.m-tit {
  display: none;
}

.main {
  max-width: 1275px;
  width: 100%;
  height: 1000px;
  margin: 0 auto;
}
.main .bt-m {
  display: none;
}
.main .bt {
  width: 532px;
  height: 80px;
  position: relative;
  top: 48%;
  left: 27.2%;
  z-index: 10;
  background: url("../images/index_bt.png") top center no-repeat;
}
.main .bt a.bt_left {
  display: block;
  font-weight: bold;
  width: 345px;
  height: 79px;
  font-size: 1.875rem;
  color: #fff;
  text-align: center;
  line-height: 80px;
  transition: all .8s ease;
}
.main .bt a.bt_left:hover {
  color: #17293b;
  background: url("../images/w_bg.png") left top no-repeat;
}
.main .bt a.bt_left:hover::before {
  border-style: solid;
  border-width: 10px 10px 10px 0;
  border-color: transparent #17293b transparent transparent;
}
.main .bt a.bt_left::before {
  display: inline-block;
  content: " ";
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 10px 10px 0;
  border-color: transparent #fff transparent transparent;
  margin: -4px 10px;
}
.main .bt a.bt_right {
  display: block;
  font-weight: bold;
  position: absolute;
  right: 0;
  top: 0;
  width: 240px;
  height: 79px;
  font-size: 1.875rem;
  color: #17293b;
  text-align: center;
  line-height: 80px;
  transition: all .8s ease;
}
.main .bt a.bt_right:hover {
  color: #fff;
  background: url("../images/blue_bg.png") left top no-repeat;
}
.main .bt a.bt_right:hover::after {
  border-style: solid;
  border-width: 10px 0 10px 10px;
  border-color: transparent transparent transparent #fff;
}
.main .bt a.bt_right::after {
  display: inline-block;
  content: " ";
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 10px;
  border-color: transparent transparent transparent #17293b;
  margin: -4px 10px;
}
.main .bg1 {
  width: 50%;
  height: 650px;
  float: left;
  position: relative;
}
.main .bg1 .blue_pen {
  position: relative;
  left: -55px;
  margin-top: 187px;
}
.main .bg1 .blue_pen img {
  width: auto;
}
.main .bg1 .tit {
  position: absolute;
  right: -49px;
  top: 239px;
}
.main .bg2 {
  width: 50%;
  height: 650px;
  float: left;
  position: relative;
}
.main .bg2 .tit {
  position: absolute;
  top: 298px;
  left: 134px;
}
.main .bg2 .pen_box {
  position: absolute;
  top: 182px;
  left: 330px;
}

@media (max-width: 1024px) {
  .fb_bt {
    margin: 20px -20px 0 0px;
  }

  .main .bt {
    top: 38%;
    left: 27.5%;
  }
  .main .bg1 {
    width: 50%;
    height: 650px;
    float: left;
    position: relative;
  }
  .main .bg1 .blue_pen {
    left: -16px;
    margin-top: 380px;
  }
  .main .bg1 .blue_pen img {
    width: 100%;
  }
  .main .bg1 .tit {
    position: absolute;
    right: -120px;
    top: 135px;
  }
  .main .bg2 {
    width: 50%;
    height: 650px;
    float: left;
    position: relative;
  }
  .main .bg2 .tit {
    position: absolute;
    top: 193px;
    left: 211px;
  }
  .main .bg2 .pen_box {
    position: absolute;
    top: 385px;
    left: 90px;
  }
  .main .bg2 .pen_box img {
    width: 70%;
  }
}
@media (min-width: 768px) and (max-width: 999px) {
  .bg {
    height: 100vh;
    background: url("../images/index_bg.jpg") top center no-repeat;
    background-size: cover;
  }

  .fb_bt {
    margin: 0 0px;
    float: none;
    position: absolute;
    left: 82%;
    margin-top: 21px;
  }

  .main {
    max-width: 1275px;
    width: 100%;
    height: 1000px;
    margin: 0 auto;
  }
  .main .bt {
    top: 38%;
    left: 21.5%;
  }
  .main .bg1 {
    width: 50%;
    height: 650px;
    float: left;
    position: relative;
  }
  .main .bg1 .blue_pen {
    left: -16px;
    margin-top: 380px;
  }
  .main .bg1 .blue_pen img {
    width: 100%;
  }
  .main .bg1 .tit {
    position: absolute;
    right: -118px;
    top: 138px;
  }
  .main .bg2 {
    width: 50%;
    height: 650px;
    float: left;
    position: relative;
  }
  .main .bg2 .tit {
    position: absolute;
    top: 228px;
    left: 181px;
  }
  .main .bg2 .pen_box {
    position: absolute;
    top: 385px;
    left: 90px;
  }
  .main .bg2 .pen_box img {
    width: 70%;
  }
}
@media only screen and (min-width: 800px) {
  .bg {
    height: 1000px;
    background: url("../images/index_bg.jpg") top center no-repeat;
    background-size: cover;
  }
}
@media (max-width: 767px) {
  .bg {
    background: url("../images/index_bg.jpg") top center no-repeat;
    background-size: cover;
  }

  .fb_bt {
    margin: 0 0px;
    float: none;
    position: absolute;
    right: 0;
    margin-top: -51px;
  }

  .main {
    max-width: 1275px;
    width: 100%;
    height: 950px;
    margin: 0 auto;
  }
  .main .bt {
    top: 38%;
    left: 11.5%;
  }
  .main .bg1 {
    width: 50%;
    height: 650px;
    float: left;
    position: relative;
  }
  .main .bg1 .blue_pen {
    left: -16px;
    margin-top: 380px;
  }
  .main .bg1 .blue_pen img {
    width: 100%;
  }
  .main .bg1 .tit {
    position: absolute;
    right: -130px;
    top: 90px;
  }
  .main .bg2 {
    width: 50%;
    height: 650px;
    float: left;
    position: relative;
  }
  .main .bg2 .tit {
    position: absolute;
    top: 152px;
    left: 161px;
  }
  .main .bg2 .pen_box {
    position: absolute;
    top: 385px;
    left: 90px;
  }
  .main .bg2 .pen_box img {
    width: 70%;
  }
}
@media (max-width: 736px) {
  .main .bt {
    top: 38%;
    left: 14.5%;
  }
}
@media (max-width: 667px) {
  .main .bt {
    top: 38%;
    left: 11.5%;
  }
}
@media (max-width: 640px) {
  .fb_bt {
    margin: 0 0px;
    float: none;
    position: absolute;
    right: 0;
    margin-top: -51px;
  }

  .main .bt {
    top: 38%;
    left: 9.5%;
  }
  .main .bg1 {
    width: 50%;
    height: 650px;
    float: left;
    position: relative;
  }
  .main .bg1 .blue_pen {
    left: -16px;
    margin-top: 380px;
  }
  .main .bg1 .blue_pen img {
    width: 100%;
  }
  .main .bg1 .tit {
    position: absolute;
    right: -130px;
    top: 90px;
  }
  .main .bg2 {
    width: 50%;
    height: 650px;
    float: left;
    position: relative;
  }
  .main .bg2 .tit {
    position: absolute;
    top: 152px;
    left: 161px;
  }
  .main .bg2 .pen_box {
    position: absolute;
    top: 385px;
    left: 90px;
  }
  .main .bg2 .pen_box img {
    width: 70%;
  }
}
@media (max-width: 480px) {
  .fb_bt {
    margin: 0 0px;
    float: none;
    position: absolute;
    right: 0;
    margin-top: -51px;
  }

  .m-tit {
    display: block;
    width: 100%;
    text-align: center;
    padding-top: 50px;
  }
  .m-tit img {
    width: 90%;
  }

  .main .bt-m {
    display: block;
    width: 64%;
    height: 50px;
    margin: 20px auto 0;
    transition: all .8s ease;
    overflow: hidden;
  }
  .main .bt-m a.bt_left {
    display: block;
    width: 100%;
    height: 100%;
    font-size: 1.875rem;
    color: #fff;
    text-align: center;
    border: 2px solid #fff;
    border-radius: 8px;
    line-height: 45px;
    color: #fff;
  }
  .main .bt-m a.bt_left:hover {
    color: #17293b;
    background: #fff;
  }
  .main .bt-m a.bt_left:hover::before {
    border-style: solid;
    border-width: 10px 10px 10px 0;
    border-color: transparent #17293b transparent transparent;
  }
  .main .bt-m a.bt_left::before {
    display: inline-block;
    content: " ";
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 10px 10px 10px 0;
    border-color: transparent #fff transparent transparent;
    margin: -4px 10px;
  }
  .main .bt-m a.bt_right {
    display: block;
    width: 100%;
    height: 100%;
    font-size: 1.875rem;
    color: #17293b;
    text-align: center;
    border: 2px solid #17293b;
    border-radius: 8px;
    line-height: 45px;
  }
  .main .bt-m a.bt_right:hover {
    color: #fff;
    background: #17293b;
  }
  .main .bt-m a.bt_right:hover::after {
    border-style: solid;
    border-width: 10px 0 10px 10px;
    border-color: transparent transparent transparent #fff;
  }
  .main .bt-m a.bt_right::after {
    display: inline-block;
    content: " ";
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 10px 0 10px 10px;
    border-color: transparent transparent transparent #17293b;
    margin: -4px 10px;
  }
  .main .bt {
    display: none;
  }
  .main .bg1 {
    width: 100%;
    height: auto;
    float: none;
    position: relative;
  }
  .main .bg1 .blue_pen {
    left: -16px;
    margin-top: 20px;
  }
  .main .bg1 .blue_pen img {
    width: 90%;
  }
  .main .bg1 .tit {
    display: none;
  }
  .main .bg2 {
    width: 100%;
    height: auto;
    float: none;
    position: relative;
  }
  .main .bg2 .pen_box {
    position: relative;
    top: 0px;
    left: 156px;
  }
  .main .bg2 .pen_box img {
    width: 50%;
  }
  .main .bg2 .tit {
    display: none;
  }
}
@media (max-width: 360px) {
  .main .bg1 .blue_pen {
    left: -16px;
    margin-top: 33px;
  }
  .main .bg1 .blue_pen img {
    width: 90%;
  }
}
@media (max-width: 320px) {
  .main .bg1 .blue_pen {
    left: -16px;
    margin-top: 55px;
  }
  .main .bg1 .blue_pen img {
    width: 95%;
  }
  .main .bg2 .pen_box {
    position: relative;
    top: 0px;
    left: 136px;
  }
  .main .bg2 .pen_box img {
    width: 50%;
  }
}