.about-title {
  color: var(--dark-colorC);
  font-weight: 700;
  text-align: center;
  margin-bottom: 2.5rem;
  letter-spacing: 0.3rem;
}

/* =============================================
 # about-intro
================================================= */
.about-intro {
  position: relative;
  overflow: hidden;
}

.topimg::before {
  position: absolute;
  content: url(/2025/img/innerkv-bg-xs.jpg);
  top: 0;
  right: 0;
}

.about-intro h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 20px;
  margin-top: 4rem;
}

@media (max-width:576px) {
  .about-intro h3 {
    margin-top: 8rem;
  }
}

.about-intro p {
  font-size: 16px;
}

.intro-card {
  text-align: center;
}


.intro-card h4,
.intro-card p {
  color: #001432;
}

.intro-card:hover h4,
.intro-card:hover p {
  color: #0072c5;
}

.light {
  border-radius: 10px;
  margin-bottom: 15px;
}

.intro-card:hover .light {
  filter: brightness(150%);
  -webkit-transition: all 0.5s ease-out;
  transition: all 0.5s ease-out;
}

/* =============================================
 # 大會亮點
================================================= */

.about-info {
  background-color: #eee;
}

.about-infow {
  background-color: #fff;
}

.ai-img {
  overflow: hidden;
  border-radius: 15px;
  box-shadow: rgb(0 0 0 / 10%) 0px 4px 12px;
}

.ai-img img {
  width: 100%;
}

.about-info-box {
  margin-bottom: 30px;
}

.about-info-box h4 {
  font-weight: 700;
  color: #212121;
  margin-bottom: 10px;
}

.about-info-box p {
  font-size: 16px;
  margin-bottom: 10px;
}

.about-info-box .btn-all {
  max-width: 160px;
  line-height: 32px;
  margin: 0;
  letter-spacing: 0.05rem;
}

@media (max-width:768px) {
  .about-info-box {
    margin-bottom: 20px;
  }

  .about-info-box .btn-all {
    margin: 0 0 15px;
  }

  .about-info-box h4 {
    margin-top: 15px;
  }
}

/* =============================================
 # about-main
================================================= */
.about-main {
  padding: 3rem 1rem;
}

.am-title {
  text-align: center;
  margin: 3rem 0 1rem;
}

.am-title h2 {
  color: var(--lightgray);
}

.am-title h4 {
  font-weight: 700;
}

.am-left {
  text-align: right;
  padding: 0 30px;
}

.am-right {
  padding: 0 36px;
}

.about-main h1 {
  font-size: 3.6rem;
  color: #efefef;
  font-weight: 700;
}

.about-main h2 {
  font-weight: 700;
}

@media (max-width: 576px) {
  .am-left {
    text-align: center;
  }
}

/*====================================================
# info-box
==================================================== */

.am-box {
  position: relative;
  max-width: 300px;
  color: #ffffff;
  background-color: #efefef;
  overflow-y: hidden;
  margin: 12px auto;
  border-radius: 12px;
  box-shadow: rgba(50, 50, 93, 0.25) 0px 13px 27px -5px,
    rgba(0, 0, 0, 0.3) 0px 8px 16px -8px;
}

.am-box a {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.am-box-title {
  font-size: 1.2rem;
  line-height: 1.5;
  text-align: center;
  margin: 0;
  display: block;
  background-color: rgba(0, 0, 0, 0.5);
  padding: 1rem;
  transform: translateY(-220%);
  transition: transform 0.3s;
}

.am-box-img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.am-box-overlay {
  height: 205%;
  position: absolute;
  width: 100%;
  top: 0;
  transition: transform 0.3s;
  background-color: rgba(0, 0, 0, 1);
  transform: translateY(60%);
  font-weight: 500;
}

.am-box-body {
  position: absolute;
  bottom: 55%;
  left: 15%;
  text-align: center;
  opacity: 0;
  transition: opacity 0.5s 0.1s;
}

.am-box-body .subtitle {
  font-size: 24px;
  line-height: 1.2;
  padding-bottom: 15px;
}

.am-box a:hover~.am-box-overlay,
.am-box a:focus~.am-box-overlay {
  transform: translateY(-10%);
}

.am-box a:hover~.am-box-overlay .am-box-title,
.am-box a:focus~.am-box-overlay .am-box-title {
  transform: translateY(0);
  opacity: 0;
}

.am-box a:hover~.am-box-overlay .am-box-body,
.am-box a:focus~.am-box-overlay .am-box-body {
  opacity: 1;
}

/* =============================================
 # about-partners 
================================================= */
.about-partners {
  padding: 5rem 1rem;
}

.ob-img {
  width: 220px;
}