@charset "UTF-8";
/*页面1-主页start*/
/* 轮播图样式 */
 .carousel-item {
    /*height: 500px;*/
}
.carousel-item img {
    height: 100%;
    object-fit: cover;
    filter: brightness(0.7);
}
.carousel-caption {
    bottom: 30%;
    text-align: left;
    max-width: 650px;
}
.carousel-control-prev, .carousel-control-next {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    backdrop-filter: blur(4px);
    transition: all 0.3s;
}
.carousel-control-prev:hover, .carousel-control-next:hover {
    background: rgba(255, 255, 255, 0.5);
    transform: translateY(-50%) scale(1.1);
}
.carousel-indicators [data-bs-target] {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin: 0 6px;
    border: none;
    background-color: rgba(255, 255, 255, 0.5);
}
.carousel-indicators .active {
    background-color: white;
    width: 35px;
    border-radius: 10px;
}
/* 企业介绍区域 */
 .section-title {
    position: relative;
    padding-bottom: 15px;
    margin-bottom: 30px;
    font-weight: 700;
    color: var(--primary);
}
.section-title:after {
    content:'';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 4rem;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
    transition: all 0.3s;
}
.section-title:hover:after {
    width:100%;
}
.intro-card {
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
    overflow: hidden;
    border: none;
    height: auto;
    min-height:390px;
    overflow:hidden;
}
/*.intro-card:hover {
      box-shadow: 0 10px 30px rgba(0,0,0,0.15);
      transform: translateY(-8px);
    } */
 .intro-nav {
    position: sticky;
    top: 100px;
}
.intro-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.nav-item {
    margin: 0 10px;
}
.intro-nav-item {
    padding: 12px 20px 12px 40px;
    margin-bottom: 8px;
    /* border-radius: 8px; */
    background: #f8f9fa;
    cursor: pointer;
    transition: all 0.1s;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    /* border-left: 4px solid transparent; */
    font-size:1rem;
    line-height: 1.565rem;
}
.intro-nav-item:before {
    content:'';
    position: absolute;
    left: 20px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #28a745;
    /* 绿色圆圈 */
    transition: all 0.3s;
}
.intro-nav-item:hover {
    background: #e9f0ff;
    /* transform: translateX(5px); */
    font-size:1.2rem;
}
.intro-nav-item.active {
    background: #f0f7ff;
    color: var(--primary);
    border-left-color: var(--primary);
    font-size:1.1rem;
}
.intro-nav-item.active:before {
    background: var(--active-color);
    /* 红色圆圈 */
    transform: scale(1.2);
}
.stat-box {
    background: linear-gradient(135deg, #e0f0ff, #f0f7ff);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s;
    box-shadow: 0 4px 10px rgba(30, 64, 175, 0.1);
}
.stat-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(30, 64, 175, 0.2);
}
.stat-box .number {
    font-size: 2rem;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 0.5rem;
    line-height: 1;
}
.stat-box .text {
    font-size: 1.3rem;
    font-weight: 500;
}
/* 内容切换 */
 .intro-content-section {
    display: none;
    animation: fadeIn 0.5s ease;
}
.intro-content-section.active {
    display: block;
}
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
/* 特性卡片 */
 .feature-card {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
    height: 100%;
    border: none;
}
.feature-card:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    transform: translateY(-8px);
}
.feature-img {
    height: 250px;
    overflow: hidden;
    position: relative;
}
.feature-img img {
    height: 100%;
    width: 100%;
    object-fit: cover;
    transition: transform 0.7s;
}
.feature-card:hover .feature-img img {
    transform: scale(1.1);
}
.feature-card .card-title {
    transition: color 0.3s;
    position: relative;
    display: inline-block;
}
.feature-card .card-title:after {
    content:'';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--primary);
    transition: width 0.3s;
}
.feature-card:hover .card-title:after {
    width: 100%;
}
.feature-card:hover .card-title {
    color: var(--primary);
}
/*页面1-主页end*/