h5 {
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.2;
}

.card {
  position:relative;
  display:flex;
  flex-direction:column;
  min-width:0;
  word-wrap:break-word;
  background-color: rgb(250, 249, 247);
  background-clip:border-box;
  border: 1px solid rgba(0, 0, 0, 0.125);
  border-radius: 0.25rem 0.25rem 0.25rem 0.25rem;
  box-shadow: 0 6px 14px 0 rgba(0,0,0,.04);
}

@media (prefers-color-scheme: dark) {
  .card {
    background-color: rgb(51, 51, 51);
  }
}
    
.card>hr {
  margin-right: 0;
  margin-left: 0
}

.img-container > img:hover{  
  transform: scale(1.02);
  transition: transform .4s;
}

.card>.list-group {
  border-top: inherit;
  border-bottom: inherit
}

.card>.list-group:first-child {
  border-top-width: 0;
  border-top-left-radius: calc(0.25rem - 1px);
  border-top-right-radius: calc(0.25rem - 1px)
}
    
.card>.list-group:last-child {
  border-bottom-width: 0;
  border-bottom-right-radius: calc(0.25rem - 1px);
  border-bottom-left-radius: calc(0.25rem - 1px)
}

.card > .card-header + .list-group,
.card > .list-group + .card-footer {
  border-top: 0;
}

.card-body {
  flex: 1 1 auto;
  min-height: 1px;
  padding: 1.25rem
}

.card-title {
  margin-bottom: .75rem
}

.card-subtitle {
  margin-top: -.375rem;
  margin-bottom: 0
}

.card-text{
  font-size: 60%;
}

.card-text:last-child {
  margin-bottom: 0
}

.card-link:hover {
  text-decoration:none
}

.card-link+.card-link{
  margin-left:1.25rem
}

.card-header{
  padding:.75rem 1.25rem;
  margin-bottom:0;
  background-color:rgba(0,0,0,.03);
  border-bottom:1px solid rgba(0,0,0,.125)
}

.card-header+.list-group .list-group-item:first-child{
  border-top:0
}
.card-footer{
  padding:.75rem 1.25rem;
  background-color:rgba(0,0,0,.03);
  border-top:1px solid rgba(0,0,0,.125)
}

.card-header-tabs{
  margin-right:-.625rem;
  margin-bottom:-.75rem;
  margin-left:-.625rem;
  border-bottom:0
}

.card-header-pills{
  margin-right:-.625rem;
  margin-left:-.625rem
}

.card-img-overlay{
  position:absolute;
  top:0;
  right:0;
  bottom:0;
  left:0;
  padding:1.25rem
}

.card-img,.card-img-bottom,.card-img-top{
  flex-shrink:0;
  max-height: 100%;
  max-width: 100%;
}

.img-container{
  position: relative;
  height: 250px;
  width: auto;
  overflow: hidden;
  transition: all 0.6s ease;
}

.img-container > img{  
  position: absolute;
  width: 100%;
  height: 100%;
  cursor: pointer;
  -o-object-fit: cover;
  object-fit: cover;
  transition: all 0.6s ease;
}

.card-deck .card {
  margin-bottom:15px
}

@media (min-width:576px) {
  .card-deck {
    display:flex;
    flex-flow:row wrap;
    margin-right:-15px;
    margin-left:-15px
  }
  .card-deck .card {
    flex:1 0 0%;
    margin-right:15px;
    margin-bottom:0;
    margin-left:15px
  }
}

.card-group>.card {
  margin-bottom:.75rem
}

@media (min-width:576px) {
  .card-group {
    display:flex;
    flex-flow:row wrap
  }
  .card-group >.card {
    flex:1 0 0%;
    margin-bottom:0
  }
  .card-group >.card + .card {
    margin-left:0;
    border-left:0
  }
  .card-group > .card:not(:last-child) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
  }
  .card-group > .card:not(:last-child) .card-img-top, .card-group > .card:not(:last-child) .card-header {
    border-top-right-radius: 0;
  }
  .card-group > .card:not(:last-child) .card-img-bottom, .card-group > .card:not(:last-child) .card-footer {
    border-bottom-right-radius: 0;
  }
  .card-group > .card:not(:first-child) {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
  }
  .card-group > .card:not(:first-child) .card-img-top, .card-group > .card:not(:first-child) .card-header {
    border-top-left-radius: 0;
  }
  .card-group > .card:not(:first-child) .card-img-bottom, .card-group > .card:not(:first-child) .card-footer {
    border-bottom-left-radius: 0;
  }
}

.card-columns .card {
  /* margin-bottom: .75rem; */
  overflow: hidden;
}

@media (min-width: 576px) {
  .card-columns {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    -webkit-column-count: 4;
    -moz-column-count: 4;
    column-count: 4;
    -webkit-column-gap: 1.25rem;
    -moz-column-gap: 1.25rem;
    column-gap: 1.25rem;
    orphans: 1;
    widows: 1;
  }
  .card-columns .card {
    display: inline-block;
    width: 100%;
    overflow: hidden;
  }
}

.accordion>.card {
  overflow: hidden
}

.accordion>.card:not(:last-of-type) {
  border-bottom: 0;
}

.accordion>.card>.card-header {
  margin-bottom: -1px
}

.btn-group-lg > .btn {
  padding: 0.5rem 1rem;
  font-size: 1.25rem;
  border-radius: 0.3rem;
}
  
.btn-sm, .btn-group-sm > .btn {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
  border-radius: 0.2rem;
}

.btn-group,
.btn-group-vertical {
  position: relative;
  display: inline-flex;
  vertical-align: middle;
}
.btn-group > .btn,
.btn-group-vertical > .btn {
  position: relative;
  flex: 1 1 auto;
}
.btn-group > .btn-check:checked + .btn,
.btn-group > .btn-check:focus + .btn,
.btn-group > .btn:hover,
.btn-group > .btn:focus,
.btn-group > .btn:active,
.btn-group > .btn.active,
.btn-group-vertical > .btn-check:checked + .btn,
.btn-group-vertical > .btn-check:focus + .btn,
.btn-group-vertical > .btn:hover,
.btn-group-vertical > .btn:focus,
.btn-group-vertical > .btn:active,
.btn-group-vertical > .btn.active {
  z-index: 1;
}

.btn-group > .btn:not(:first-child),
.btn-group > .btn-group:not(:first-child) {
  margin-left: -1px;
}
.btn-group > .btn:not(:last-child):not(.dropdown-toggle),
.btn-group > .btn-group:not(:last-child) > .btn {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}
.btn-group > .btn:nth-child(n+3),
.btn-group > :not(.btn-check) + .btn,
.btn-group > .btn-group:not(:first-child) > .btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.btn-group-sm > .btn + .dropdown-toggle-split {
  padding-right: 0.375rem;
  padding-left: 0.375rem;
}
  
.btn-group-lg > .btn + .dropdown-toggle-split {
  padding-right: 0.75rem;
  padding-left: 0.75rem;
}
  
.btn-group-vertical {
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.btn-group-vertical > .btn,
.btn-group-vertical > .btn-group {
width: 100%;
}
  
.btn-group-vertical > .btn:not(:first-child),
.btn-group-vertical > .btn-group:not(:first-child) {
  margin-top: -1px;
}

.btn-group-vertical > .btn:not(:last-child):not(.dropdown-toggle),
.btn-group-vertical > .btn-group:not(:last-child) > .btn {
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}

.btn-group-vertical > .btn ~ .btn,
.btn-group-vertical > .btn-group:not(:first-child) > .btn {
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.jumbotron {
  padding: 2rem 1rem;
  margin-bottom: 2rem;
  background-color: rgb(250, 249, 247);
  border: 1px solid rgba(0, 0, 0, 0.125);
  border-radius: .25rem;
  box-shadow: 0 6px 14px 0 rgba(0, 0, 0, .04);
}

@media (prefers-color-scheme: dark) {
  .jumbotron {
    background-color: rgb(51, 51, 51)
  }
}

.btn:active {
  background-color: #0056b3; /* Example active color */
}

.btn:focus {
  outline: none; /* Remove the focus outline */
}

/* Photo Showcase Styles */
.photo-showcase {
  padding: 0.25rem; /* 减少整体 Padding */
  margin-bottom: 0.5rem; /* 移除容器外部的 Margin */
  margin-top: 1rem;
}

.photo-showcase-title {
  padding-top: 0.25rem; /* 增加标题上方的 Padding */
  padding-bottom: 0.25rem; /* 增加标题下方的 Padding */
  padding-left: 0.25rem;
  text-align: left; /* 标题左对齐 */
  font-size: 1.5rem; /* 减小字号 */
  /* margin-bottom: 0.5rem; */
}

.photo-showcase-link {
  text-decoration: none;
  color: inherit;
}

.photo-showcase-link:hover {
  color: #00AAFF; /* 悬停时更改颜色，可根据需求调整 */
}

.card-columns {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center; /* 居中对齐照片 */
}

.card {
  flex: 1 1 calc(25% - 8px); /* 4张照片每行，减去间隙 */
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  overflow: hidden;
  background-color: #fff;
  transition: transform 0.3s;
  margin-bottom: 4px; /* 减少下方间距 */
}

.card:hover {
  transform: translateY(-3px);
}

.img-container {
  width: 100%;
  padding-top: 75%; /* 4:3 Aspect Ratio */
  position: relative;
  overflow: hidden;
}

.card-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-body {
  padding: 8px; /* 减少卡片内容的内边距 */
}

.card-text {
  margin: 0;
  color: #6b7280; /* Gray-500 */
  font-size: 1rem; /* 调整文字大小 */
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .card {
    flex: 1 1 calc(50% - 4px); /* 2张照片每行 */
  }
}

@media (max-width: 600px) {
  .card {
    flex: 1 1 100%; /* 1张照片每行 */
  }
}