/* IE浏览器样式 */

/* ==================== 2. Layout Styles (IE9 Compatible) ==================== */
@media screen and (min-width: 1024px) {
  body {
    min-width: 1400px;
  }
}
.clearfix::after,
.clearfix:after {
  content: "";
  display: table;
  clear: both;
}
.clearfix {
  *zoom: 1; /* IE 6/7 support, safe for IE9 */
}

.container {
  width: 100%;
  max-width: 1920px;
  margin: 0 auto;
  padding: 0;
   background-color: #f8b581;
}

/* Header Banner */
.header {
  width: 100%;
  overflow: hidden;
  background-color: #f8b581;
}
.header img {
  width: 100%;
  max-width: 1920px;
  display: block;
  margin: 0 auto;
  height: auto;
}
.bg {
  display: block;
}
.bg-768 {
  display: none;
}
.bg-wap {
  display: none;
}



/* Content Container */
.content {
  width: 65%;
  margin: 0 auto;
  padding: 35px 40px;
  background-color: #fff;
}

/* Section Title */
.section-title {
  width: 100%;
  margin-bottom: 35px;
  margin-top: 35px;
}
.section-title img {
  width: 100%;
  height: auto;
  display: block;
}
.section-title span {
  display: none;
}

/* About Section */
.section-about {
  width: 100%;
  margin-bottom: 40px;
  box-sizing: border-box;
}
.about-left {
  float: left;
  width: 60%;
  height: auto;
  max-height: 350px;
  overflow: hidden;
}
.about-left img {
  width: 100%;
  height: auto;
  display: block;
}
.about-right {
  float: left;
  width: 35%;
  margin-left: 30px;
  padding-top: 50px;
}
.about-right h2 {
  font-size: 32px;
  color: #e54c50;
  margin-bottom: 20px;
}
.about-right .desc {
  font-size: 16px;
  color: #000;
  line-height: 1.8;
  margin-bottom: 30px;
  text-align: left;
}
.about-right .read-more {
  display: inline-block;
  color: #385d79;
  font-size: 16px;
  text-decoration: none;
}

/* Columns Section: Cards & Speakers */
.section-column {
  width: 100%;
  margin-bottom: 50px;
}

/* Card List Grid */
.card-list {
  width: 100%;
}
.card-item {
  float: left;
  width: 23.5%;
  margin-right: 2%;
  background-color: #fff;
  border: 1px solid #eee;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}
.card-item.last-item {
  margin-right: 0;
}
.card-item a {
  display: block;
  color: inherit;
  text-decoration: none;
}
.card-item img {
  width: 100%;
  height: 202px;
  display: block;
}
.card-item p {
  padding: 12px 10px 0;
  margin-bottom: 12px;
  font-size: 16px;
  color: #555;
  line-height: 1.5;
  height: 102px;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}


/* Speaker List Grid */
.speaker-list {
  width: 100%;
}
.speaker-item {
  float: left;
  width: 32%;
  margin-right: 2%;
  height: 105px;
  margin-bottom: 20px;
  overflow: hidden;
  border-radius: 4px;
}
.speaker-item.last-col {
  margin-right: 0;
}
.speaker-item a {
  display: block;
  width: 100%;
  height: 100%;
  color: inherit;
  text-decoration: none;
}
.speaker-item .photo {
  float: left;
  width: 70px;
  height: 80px;
  margin: 10px 15px;
  border-radius: 4px;
  overflow: hidden;
}
.speaker-item .photo img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.speaker-item .info {
  float: left;
  width: calc(100% - 100px);
  height: 100px;
  padding: 15px 15px 15px 0;
  color: #fff;
  box-sizing: border-box;
}
.speaker-item .info p {
  font-size: 16px;
  line-height: 1.4;
  opacity: 0.9;
}
.col-green { background-color: #65c796; }
.col-blue { background-color: #3e72bb; }
.col-lightblue { background-color: #51bce8; }

/* Dining Slider */
.slider-container {
  position: relative;
  width: 100%;
  background-color: #fff;
  padding: 25px 80px;
}
.slider-container .arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}
.slider-container .arrow img {
  display: block;
  width: 100%;
  height: 100%;
}
.slider-container .arrow:hover {
  opacity: 1;
}
.slider-container .arrow-left {
  left: 25px;
}
.slider-container .arrow-right {
  right: 25px;
}
.slider-content {
  width: 100%;
}
.slider-item {
  display: none;
}
.slider-item.active {
  display: block;
  animation: sliderFadeIn 0.5s ease-in-out forwards;
}
@keyframes sliderFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.slider-left {
  float: left;
  width: 55%;
}
.slider-left img {
  width: 100%;
  height: 365px;
  display: block;
}
.slider-right {
  float: left;
  width: 35%;
  margin-left: 40px;
  padding-top: 15px;
}
.slider-right h3 {
  font-size: 20px;
  color: #333;
  font-weight: bold;
  margin-bottom: 20px;
}
.slider-right p {
  font-size: 16px;
  color: #666;
  line-height: 2.0;
  margin-bottom: 8px;
}

/* Cultural Asymmetric Grid */
.grid-container {
  width: 100%;
}
.grid-column {
  float: left;
}
.grid-col-1 {
  width: 42.22%;
}
.grid-col-2 {
  width: 28.89%;
}
.grid-col-3 {
  width: 28.89%;
}
.grid-box {
  overflow: hidden;
  border-radius: 0;
  box-shadow: none;
}
.grid-box img {
  width: 100%;
  height: 100%;
  display: block;
}
/* Column 1: 70% / 30% height split */
.grid-col-1 .grid-box.img-box {
  height: 238px;
}
.grid-col-1 .grid-box.text-box {
  height: 102px;
  padding: 10px 15px;
  color: #fff;
}
.grid-col-1 .grid-box.text-box p {
  font-size: 16px;
  line-height: 1.35;
}

/* Columns 2 & 3: 50% / 50% height split */
.grid-col-2 .grid-box,
.grid-col-3 .grid-box {
  height: 170px;
}
.grid-col-2 .grid-box.text-box,
.grid-col-3 .grid-box.text-box {
  padding: 20px;
  color: #fff;
}
.grid-col-2 .grid-box.text-box p,
.grid-col-3 .grid-box.text-box p {
  font-size: 16px;
  line-height: 1.45;
}
.grid-col-2 .grid-box.text-box h3,
.grid-col-3 .grid-box.text-box h3 {
  font-size: 16px;
  font-weight: bold;
  line-height: 1.45;
  padding-top: 10px;
}

.bg-orange { background-color: #f6ac13; }
.bg-blue { background-color: #008db3; }
.bg-lightblue { background-color: #4489cc; }
.margin-top { margin-top: 0; }

/* Footer Area */
.footer {
  width: 100%;
  background: #e7913a;
  background: -webkit-linear-gradient(left, #d95c2b, #f2b73f);
  background: -moz-linear-gradient(right, #d95c2b, #f2b73f);
  background: -o-linear-gradient(right, #d95c2b, #f2b73f);
  background: linear-gradient(to right, #d95c2b, #f2b73f);
  padding: 35px 0;
  color: #fff;
  text-align: center;
  font-size: 16px;
  line-height: 1.8;
}
.footer p {
  margin: 0;
}

/* ==================== 回到顶部按钮 ==================== */
.scroll-to-top {
  position: fixed;
  bottom: 15%;
  right: 30px;
  width: 50px;
  height: 50px;
  background: #a7a7a7;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
  text-align: center;
  line-height: 50px;
}

.scroll-to-top.show {
  opacity: 1;
  visibility: visible;
}

.scroll-to-top:hover {
  background-color: #cfcfcf;
}

.scroll-to-top:active {
  background-color: #999;
}

.scroll-to-top img {
  width: 30px;
  height: 30px;
  vertical-align: middle;
  margin-top: -8px;
}