body {
    font-family: 'Noto Sans JP', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

header {
    background-color: rgba(255, 255, 255, 0.95);
    color: #333;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar {
    padding: 0.5rem 1rem;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: #333 !important;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: #333 !important;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #3498db !important;
}

.headerNav {
    flex: 1;
    text-align: center;
}

.headerNav_inner {
    display: flex;
    justify-content: center;
    list-style: none;
}

.headerNav_item {
    margin: 0 15px;
    position: relative;
}

.headerNav_link {
    display: block;
    text-decoration: none;
    color: #333;
    font-size: 14px;
    font-weight: 500;
    padding: 5px 0;
    transition: color 0.3s ease;
}

.headerNav_link:hover {
    color: #3498db;
}

.headerNav_item--active .headerNav_link {
    color: #3498db;
    font-weight: bold;
}

.headerNav_itemInner {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.headerNav_itemInner span {
    font-size: 12px;
    color: #999;
    margin-top: 2px;
}

header h1 {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 0;
}

.headerLogo {
    font-size: 0;
    line-height: 0;
}

.headerLogo_link {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.headerLogo_inner {
    display: flex;
    align-items: center;
}

.headerLogo_image {
    width: 40px;
    height: 40px;
    margin-right: 10px;
}

.headerLogo_texts {
    font-size: 18px;
    font-weight: bold;
    color: #333;
}

/* 语言选择器 */
.langSelector {
    margin-left: 30px;
}

.langSelector_title {
    font-size: 14px;
    color: #333;
    margin-bottom: 5px;
}

main {
    padding-top: 80px;
}

section {
    margin-bottom: 4rem;
}

/* 主视觉区域 */
.mainvisual {
    height: 100vh;
    position: relative;
    overflow: hidden;
}

.mainvisual_bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.mainvisualSlideImage {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mainvisual_inner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    z-index: 10;
}

h2 {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 30px;
    color: #333;
    text-align: left;
    position: relative;
    padding-bottom: 1rem;
}

.section {
    padding: 60px 0;
}

.section_inner {
    max-width: 1250px;
    margin: 0 auto;
    padding: 0 20px;
}

.sectionTitle {
    font-size: 24px;
    font-weight: bold;
    color: #333;
    margin-bottom: 30px;
    text-align: left;
}

h3 {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: #34495e;
}

/* 服务部分 */
.topServices {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 40px 0;
}

.topServices_item {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    height: 250px;
}

.topServices_link {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
}

.topServices_inner {
    position: relative;
    width: 100%;
    height: 100%;
}

.topServices_bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.topServices_item:hover .topServices_bg {
    transform: scale(1.05);
}

.topServices_title {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 15px;
    margin: 0;
    font-size: 16px;
    text-align: center;
}

.card {
    border: none;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    background-color: white;
}

/* 公司亮点部分 */
.topPoints {
    margin: 60px 0;
}

.topPoints_item {
    display: flex;
    margin-bottom: 40px;
    align-items: center;
}

.topPoints_image {
    flex: 0 0 300px;
    margin-right: 40px;
}

.topPoints_image img {
    width: 100%;
    height: auto;
    border-radius: 4px;
}

.topPoints_detail {
    flex: 1;
}

.topPoints_detail h2 {
    font-size: 20px;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
    text-align: center;
    position: relative;
}

.topPoints_detail h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background-color: #3498db;
}

.topPoints_detail p {
    font-size: 14px;
    line-height: 1.8;
    color: #666;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.card-body {
    padding: 1.5rem;
}

.card-img-top {
    border-radius: 8px 8px 0 0;
    height: 200px;
    object-fit: cover;
}

.btn-primary {
    background-color: #3498db;
    border: none;
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 4px;
    transition: background-color 0.3s ease, transform 0.2s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-outline-primary {
    border-color: #3498db;
    color: #3498db;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background-color: #3498db;
    color: white;
}

.btn-outline-primary.active {
    background-color: #3498db;
    color: white;
    border-color: #3498db;
}

footer {
    background-color: #2c3e50;
    color: white;
    padding: 40px 0;
    margin-top: 60px;
}

.footerNav {
    margin-bottom: 30px;
}

.footerNav_inner {
    display: flex;
    justify-content: center;
    list-style: none;
    flex-wrap: wrap;
}

.footerNav_item {
    margin: 0 20px 15px;
}

.footerNav_link {
    color: white;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footerNav_link:hover {
    color: #3498db;
}

.footerInfo {
    text-align: center;
    margin-bottom: 30px;
}

.footerLogo {
    margin-bottom: 20px;
}

.footerLogo_link {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.footerLogo_inner {
    display: flex;
    align-items: center;
}

.footerLogo_image {
    width: 40px;
    height: 40px;
    margin-right: 10px;
}

.footerLogo_texts {
    font-size: 18px;
    font-weight: bold;
    color: white;
}

.footerInfo p {
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

.footerCopy {
    text-align: center;
    border-top: 1px solid #34495e;
    padding-top: 20px;
}

.footerCopy_text {
    font-size: 12px;
    color: #95a5a6;
    margin: 0;
}

.form-control {
    border-radius: 4px;
    border: 1px solid #ddd;
    padding: 0.75rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    border-color: #3498db;
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
    outline: none;
}

.alert {
    border-radius: 4px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

/* 保留电脑端显示效果，移除响应式布局 */
/*
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    header p {
        font-size: 1rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    h3 {
        font-size: 1.25rem;
    }
    
    .card {
        margin-bottom: 2rem;
    }
    
    .card-img-top {
        height: 150px;
    }
    
    footer {
        text-align: center;
    }
    
    footer .col-md-4 {
        margin-bottom: 2rem;
    }
}
*/