html {
  scroll-behavior: smooth;
}

body {
  font-size: 16.5px;
  line-height: 1.8;
  color: #fff;
  font-family: "微軟正黑體", "新細明體", Arial, Helvetica, sans-serif;
  background-color: #4d3b70;
}

a {
  color: #a77cff;
  transition: 0.3s ease;
}

a:hover {
  color: #b96eff;
  text-decoration: none;
}

h2 {
  text-align: center;
  /*color: #343a40;*/
  font-weight: 700;
  padding: 20px;
}

.title::after {
  content: "";
  width: 60px;
  height: 10px;
  display: block;
  border: 4px dotted #ffc95f;
  margin: 5px auto 0;
}

h3 {
  text-align: center;
}

h4 {
  text-align: center;
  margin-bottom: 1rem;
}

p {
  padding-bottom: 0.5em;
}

section {
  padding: 2em 0 3em;
}

section:nth-of-type(even) {
  background: #ffffff;
  color: #333;
}

.btn-primary {
  font-size: 1.4rem;
  padding: 10px 20px;
  min-width: 30%;
  margin: 2%;
  background-color: #f9ae18;
  text-shadow: none;
  outline: none;
  color: #fff;
  border: none;
}
.btn-primary:hover {
  background-color: #fff;
  color: #333;
}

/*錨點位置調整*/
:target:before {
  content: "";
  display: block;
  height: 75px;
}

.navbar {
  background: rgb(106, 64, 190, 0.8);
}

.navbar-brand {
  text-align: center;
}

.navbar-brand img {
  max-width: 200px;
  padding: 8px;
}

.navbar-nav {
  width: 100%;
}

.nav-item {
  padding: 0px 10px;
}

.nav-link {
  padding: 0.8rem 1rem;
}

.navbar .navbar-nav > li > a:hover {
  -webkit-transform: translateY(-3px);
  -ms-transform: translateY(-3px);
  transform: translateY(-3px);
}

.navbar-dark .navbar-nav .nav-link {
  color: #ffffff;
}
.navbar-dark .navbar-nav .nav-link.special {
  border: 2px solid #f9ae18;
  padding: 10px 15px;
}
.navbar-dark .navbar-nav .nav-link.special:hover {
  background-color: #f9ae18;
  color: #6a41bd;
}

/* 中文按鈕 */
.nav-item.ch {
  margin-left: auto;
  padding: 0;
  font-weight: 500;
}
.navbar .navbar-nav .nav-item.ch a {
  padding: 0.5rem 1rem 0.4rem;
  border: 3px solid #ffc95f;
  transition: 0.3s;
}
.navbar .navbar-nav .nav-item.ch a:hover {
  -webkit-transform: translateY(0px);
  -ms-transform: translateY(0px);
  transform: translateY(0px);
  border: 3px solid #ffc95f;
  background-color: #ffc95f;
  color: #6a41bd;
}
@media (max-width: 991px) {
  .navbar {
    background-color: rgb(106, 64, 190);
  }
  .nav-item.ch {
    width: 100%;
  }
  .kv {
    margin-top: 74px;
  }
}

.carousel-control-prev,
.carousel-control-next {
  width: 5%;
}

.kv {
  width: 100%;
}

.kv img {
  width: 100%;
}

.foreword {
  /* font-size: 1.3rem;*/
  line-height: 1.8;
  position: relative;
  padding-top: 1em;
  filter: drop-shadow(0px -2px 2px #261a3f);
}
/* .foreword::before {
    content:'';
    background: url('../img/head_foreword.svg') no-repeat center center /cover;
    width: 100%;
    height: 30px;
    position: absolute;
    top: -28px;
    left: 0;
    right: 0;
} */
.head_foreword {
  position: relative;
  width: 100%;
}
.head_foreword .img {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 100%;
}

.color_bg {
  background-color: #6a41bd;
}

.color_bg:after {
  content: "";
  display: block;
  position: absolute;
  right: 50%;
  width: 0;
  height: 0;
  border-left: 30px solid transparent;
  border-right: 30px solid transparent;
  border-top: 30px solid #4d3b70;
  transform: translateX(30px);
}

.bg_left {
  position: relative;
  height: 50px;
  background-image: url(../img/bg_left.svg);
  background-size: cover;
}

.bg_right {
  position: relative;
  height: 50px;
  background-image: url(../img/bg_right.svg);
  background-size: cover;
}

.focus {
  color: #6a41bd;
  text-align: center;
  font-size: 1.5em;
  padding: 20px 0;
  font-weight: 700;
  letter-spacing: 2px;
}

.focus span {
  color: #ffc95f;
  font-size: 1.6em;
}

.focus2 {
  color: #6a41bd;
  text-align: center;
  font-size: 1.2em;
  font-weight: 700;
  line-height: 1.5;
}

.focus2 span {
  color: #ffc95f;
  font-size: 1.4em;
}

.intro-box {
  padding: 15px 25px;
}
.intro-box .intro-mark {
  font-size: 1.8rem;
  padding: 6px;
  color: #fff;
}
.intro-box .intro-mark:hover {
  color: #ddd;
}

.intro-box ol {
  padding-left: 15px;
}

.intro-location .fas {
  font-size: 2.3rem;
  color: #fff;
  margin-top: 0.5rem;
  transition: 0.3s ease;
}
.intro-location .fas:hover {
  color: #ddd;
}

.custom-icon li {
  background-image: url(../img/icon-01.png);
  background-position: left 7px;
  background-repeat: no-repeat;
  list-style-type: none;
  padding-left: 1.5rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid #efefef;
}

.forward-box {
  padding: 1.5em;
  background-color: #f7eff3;
  border-radius: 10px;
  box-shadow: 0px 0px 10px rgba(98, 82, 97, 0.5);
}

.speaker-title {
  font-size: 1.4em;
  padding: 20px;
}

.line {
  height: 1px;
  background-color: #ffc95f;
  width: 2em;
  margin-top: 33px;
}

.speaker-box {
  text-align: center;
}

.speakers img {
  max-width: 180px;
  border: 2px solid #e8b6de;
}

.speaker-txt {
  padding: 0 0 15px;
  color: #625261;
}

.speaker-name {
  padding: 5px;
  color: #6a41bd;
  font-weight: 700;
  font-size: 18px;
}

/* intro */
.sec-intro {
  /* background:#4d3b70; */
  /* background:#3b246a url(../img/bg-intro.jpg) no-repeat center top /cover; */
  /* margin-top: -3em;
    padding-top: 5em;
    margin-bottom: -5em;
    padding-bottom: 5em; */
  /* Permalink - use to edit and share this gradient: https://colorzilla.com/gradient-editor/#4d3b70+9,8566c1+10,8566c1+10,392c54+25,463666+60,604a8c+69,423360+83 */
  background: rgb(77, 59, 112); /* Old browsers */
  background: -moz-linear-gradient(
    -45deg,
    rgba(77, 59, 112, 1) 9%,
    rgba(133, 102, 193, 1) 10%,
    rgba(133, 102, 193, 1) 10%,
    rgba(57, 44, 84, 1) 25%,
    rgba(70, 54, 102, 1) 60%,
    rgba(96, 74, 140, 1) 69%,
    rgba(66, 51, 96, 1) 83%
  ); /* FF3.6-15 */
  background: -webkit-linear-gradient(
    -45deg,
    rgba(77, 59, 112, 1) 9%,
    rgba(133, 102, 193, 1) 10%,
    rgba(133, 102, 193, 1) 10%,
    rgba(57, 44, 84, 1) 25%,
    rgba(70, 54, 102, 1) 60%,
    rgba(96, 74, 140, 1) 69%,
    rgba(66, 51, 96, 1) 83%
  ); /* Chrome10-25,Safari5.1-6 */
  background: linear-gradient(
    135deg,
    rgba(77, 59, 112, 1) 9%,
    rgba(133, 102, 193, 1) 10%,
    rgba(133, 102, 193, 1) 10%,
    rgba(57, 44, 84, 1) 25%,
    rgba(70, 54, 102, 1) 60%,
    rgba(96, 74, 140, 1) 69%,
    rgba(66, 51, 96, 1) 83%
  ); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#4d3b70', endColorstr='#423360',GradientType=1 ); /* IE6-9 fallback on horizontal gradient */
}
.sec-intro .title {
  color: #ffbefd;
}

/*  */
.topic {
  padding: 5em 0 2em;
}
.topic-pre-titile {
  font-size: 2.1rem;
  line-height: 1.6;
  color: #4d3b70;
}

/* 演講共識 */
.focus-box {
  border: 8px double #ece3ff;
  border-radius: 15px;
  padding: 10px 30px;
}
.focus-box-title {
  color: #6a41bd;
  font-size: 2em;
  /*font-weight: 700;*/
  text-align: center;
  position: relative;
  top: -1.3em;
  margin-bottom: -1rem;
}
.focus-box-title span {
  background-color: #fff;
}

/* 投稿規範 */
.specification {
  /* padding: 0; */
}

/* 聽眾真心話 */
.expect {
  background: url("../img/bg-expect.jpg") no-repeat center bottom / cover;
  padding: 80px 20px 0;
}
.expect-box {
  background: #ffffffe0;
  /* border-radius: 30px;
    box-shadow: 0px 0px 20px 13px #fff; */
  padding: 20px;
  margin: 0 3% 3%;
}
.expect-box .title {
  width: 95%;
}

/*  */
.section-focus-slogan.attachment {
  background: url(../img/bg-speakers.jpg) no-repeat center center;
  background-size: cover;
  background-attachment: scroll;
  position: relative;
  padding: 20% 0;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  align-items: center;
}
@media (min-width: 1201px) {
  .section-focus-slogan.attachment {
    height: 70vh;
    background: url(../img/bg-speakers.jpg) no-repeat center center;
    background-attachment: fixed;
  }
}
.section-focus-slogan .slogan-txt {
  color: #fff;
  text-shadow: none;
  text-shadow: 0px 0px 20px #38383873;
  /* text-shadow: 1px 1px 20px #fff, 5px 5px 0px #fff; */
  /* opacity: 0.8; */
}
@media (max-width: 1200px) {
  .section-focus-slogan .slogan-txt {
    /* text-shadow: 1px 1px 20px #fff, 3px 3px 0px #fff; */
    /* text-shadow: none; */
  }
}

.section-focus-slogan .slogan-title {
  line-height: 1.2;
  letter-spacing: 10px;
  font-weight: 700;
  font-size: 90px;
}
@media (max-width: 1200px) {
  .section-focus-slogan .slogan-title {
    line-height: 1.3;
    letter-spacing: 6px;
    font-size: 2.4rem;
  }
}

/* Contact Information */
.sec-contact {
}
.sec-contact a {
  color: #ffc95f;
  word-break: break-word;
  line-height: 1.8;
}
.sec-contact a:hover {
  color: #fff;
}

.history-block {
  text-align: center;
  padding: 10px;
}

.history-btn {
  font-size: 18px;
  padding: 15px 25px;
  border: 1px solid #6a41bd;
  color: #6a41bd;

  background-color: #fff;
}

.history-btn:hover {
  background-color: #6a41bd;
}

.footer-logo {
  text-align: center;
}

footer {
  color: #999999;
  background-color: #101010;
  font-size: 16px;
  padding: 2% 0;
  line-height: 1.4em;
}

#gotopBtn {
  display: none;
  /* Hidden by default */
  position: fixed;
  /* Fixed/sticky position */
  bottom: 20px;
  /* Place the button at the bottom of the page */
  right: 30px;
  /* Place the button 30px from the right */
  z-index: 99;
  /* Make sure it does not overlap */
  border: none;
  /* Remove borders */
  outline: none;
  /* Remove outline */
  background-color: #cbb1ff7e;
  color: #232323;
  cursor: pointer;
  /* Add a mouse pointer on hover */
  padding: 12px 20px;
  border-radius: 50%;
  font-size: 18px;
}

#gotopBtn:hover {
  background-color: #999;
}