:root {
  --primary-blue: #2864FF;
  --dark-blue: #03176D;
  --medium-blue: #1a3a6e;
}

body {
  font-family: 'Microsoft JhengHei', 'Arial', sans-serif;
}

/* Header */
.navbar {
  background-color: white;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  padding: 15px 0;
}

.logo-icon {
  background-image: url(../images/layout7/logo.png);
  background-size: cover;
  width: 80px;
  height: 68px;
  display: inline-block;
}

.navbar-brand {
  font-weight: bold;
  color: #333;
}

.nav-link {
  color: #333;
  margin: 0 15px;
}

.nav-link:hover {
  color: var(--primary-blue);
}

.logo-box{
  display: flex;
  align-items: center;
  column-gap: 10px;
  color: #00c5d1;
}

/* Hero Section */
.hero {
  position: relative;
  height: 400px;
  background: linear-gradient(135deg, var(--dark-blue) 0%, var(--medium-blue) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image:
  radial-gradient(circle at 20% 50%, rgba(74, 144, 226, 0.3) 0%, transparent 50%),
  radial-gradient(circle at 80% 50%, rgba(123, 104, 238, 0.3) 0%, transparent 50%);
}

.hero-bg::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background-image:
  repeating-linear-gradient(0deg, rgba(74, 144, 226, 0.1) 0px, transparent 1px, transparent 40px),
  repeating-linear-gradient(90deg, rgba(74, 144, 226, 0.1) 0px, transparent 1px, transparent 40px);
}

.carousel-control-prev,
.carousel-control-next {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
  opacity: 1;
}

.carousel-control-prev {
  left: 30px;
}

.carousel-control-next {
  right: 30px;
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
  background: rgba(255, 255, 255, 0.3);
}
.carousel-control-next-icon, .carousel-control-prev-icon {
  width: 1rem;
  height: 1rem;
}

.container-sectionSearchDataset{
  background-image: url(../images/layout7/bg01.png);
  background-repeat: no-repeat;
  background-size: 100% auto;
}

.section-title {
  color: #666;
  margin-bottom: 30px;
}

.section-title span {
  color: var(--primary-blue);
  font-weight: bold;
}

.section-title-Dataset{}
.section-title-Dataset > span:last-child{
  color: #828282;
  font-size: 1.5rem;
  margin-left: 4px;
}

.section-title-Model{}
.section-title-Model > span:last-child{
  color: #828282;
  font-size: 1.5rem;
  margin-left: 4px;
}

        /* Search Section */
        .search-section {
            margin-top: -30px;
            margin-bottom: 50px;
            position: relative;
            z-index: 10;
        }

        .search-box {
            background: white;
            border-radius: 5px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        }

        .search-box input {
            border: none;
            padding: 15px 20px;
        }

        .search-box input:focus {
            box-shadow: none;
        }

        .btn-search {
            background: var(--primary-blue);
            color: white;
            border: none;
            padding: 15px 30px;
        }

/* Dataset Cards */
.dataset-card {
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  transition: all 0.3s;
  height: 100%;
}

.dataset-card:hover {
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}

.dataset-card-blue{
  border: 1px solid var(--primary-blue);
}

.card-title-custom {
  color: var(--primary-blue);
  font-size: 1.2rem;
  font-weight: bold;
  margin-bottom: 10px;
}

.card-title-custom-black {
  color: #000;
}

.card-body-dataset{
  background-color: #F5F5F5;
  background-image: url(../images/layout7/card-dataset-bg.svg);
  background-position: right bottom;
  background-repeat: no-repeat;
  background-size:120px auto;
}

.card-text-dataset{
  margin-right: 100px;
}

.card-stats {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 1rem;
}

.stat-views {
  color: #349F9C;
}

.stat-downloads {
  color: #E44DA8;
}

.stat-views > i, .stat-downloads > i{
  margin-right: 4px;
}

/* Categories Section */
.categories {
  background: var(--dark-blue);
  padding: 60px 0;
}
.categories .section-title {
  color: white;
}
.categories .section-title > span{
  color: #828282;
  font-size: 1.5rem;
  margin-left: 4px;
}

.category-card {
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s;
  height: 100%;
  position: relative;
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(74, 144, 226, 0.3);
}

.category-card > img{
  width: 100%;
  height: 100%;
  object-fit: cover;        /* 讓圖片依比例填滿容器 */
  object-position: center;  /* 圖片置中顯示 */
  display: block;
}

.card-body-category{
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 10px 0;
  background-color: rgba(0, 0, 0, .5);
}

.category-title {
  color: white;
  font-size: 1.6rem;
  font-weight: bold;
  margin-bottom: 10px;
}

.category-count {
  color: white;
  font-size: 1.2rem;
}

.container-sectionModelFooter{
  background-image: url(../images/layout7/bg02.png);
  background-repeat: no-repeat;
  background-size: 100% auto;
}

/* Footer */
footer {
  color: black
  padding: 30px 0;
}

footer span {
  color: #00c5d1;
  text-decoration: none;
  font-weight: 600;
}

footer img{
  width: auto;
  height: 60px;
  margin-bottom: 10px;
}