html, body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif !important;
    font-size: 16px !important;
    color: #333 !important;
    line-height: 1.8;
    background-color: #f9f9f9;
}
main {
    font-family: inherit !important;
    box-sizing: border-box;
}
body {
    background-color: #f8fafc;
    color: #334155;
    line-height: 1.7;
    overflow-x: hidden;
}

.kualBox{
    width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    box-sizing: border-box;
}
.kualBox li{
    width: 100%;
    background: #FFFFFF;
    display: flex;
    justify-content: center;
    border-radius: 10px;
    cursor: pointer;
    transition: all .3s;
    overflow: hidden;
}

.kualBox li:hover {
    transform: translateY(-10px);
    box-shadow: 0px 8px 20px rgba(0, 0, 0, .1);
}

.kualBox li img {
    object-fit: cover;
}


a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
header {
    background-color: rgba(255, 255, 255, 0.95);
    color: #1e293b;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
}

.logo {
    font-size: 26px;
    font-weight: 700;
    display: flex;
    align-items: center;
    color: #1a365d;
}

.logo-icon {
    margin-right: 12px;
    font-size: 30px;
    background: linear-gradient(135deg, #1a365d, #4fd1c5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 32px;
    position: relative;
}

nav ul li a {
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

nav ul li a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: #4fd1c5;
    transition: width 0.3s ease;
}

nav ul li a:hover:after,
nav ul li a.active:after {
    width: 100%;
}

/* 页面标题区 */
.page-header {
    background: linear-gradient(135deg, #1a365d 0%, #2d3748 100%);
    color: white;
    padding: 100px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('/template/pc/skin/images/khal-page/back.jpg') center/cover no-repeat;
    opacity: 0.15;
}

.page-header h1 {
    font-size: 42px;
    margin-bottom: 20px;
    position: relative;
}

.page-header p {
    font-size: 18px;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
    position: relative;
    line-height: 1.8;
}

/* 客户案例部分 */
.case-studies {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    color: #1e293b;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2:after {
    content: '';
    position: absolute;
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, #4fd1c5, #1a365d);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.section-title p {
    color: #64748b;
    max-width: 700px;
    margin: 25px auto 0;
    font-size: 17px;
}

.case-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

.filter-btn {
    background: white;
    border: 1px solid #e2e8f0;
    padding: 10px 24px;
    margin: 8px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.filter-btn.active, .filter-btn:hover {
    background: #1a365d;
    color: white;
    border-color: #1a365d;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(26, 54, 93, 0.2);
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 35px;
}

.case-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.07);
    transition: all 0.4s ease;
    position: relative;
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.case-image {
    height: 220px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
    color: white;
    position: relative;
}

.case-image:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 40%, rgba(0,0,0,0.7));
}

.industry-tag {
    display: inline-block;
    background: rgba(255, 255, 255, 0.9);
    color: #234e52;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin: 0 0 20px 20px;
    position: relative;
    z-index: 1;
}

.case-content {
    padding: 28px;
}

.case-content h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: #1e293b;
    line-height: 1.4;
}

.case-content p {
    color: #64748b;
    margin-bottom: 22px;
    font-size: 15px;
    line-height: 1.7;
}

.case-stats {
    display: flex;
    justify-content: space-between;
    margin-bottom: 25px;
    padding: 15px;
    background: #f8fafc;
    border-radius: 10px;
}

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

.stat-value {
    font-size: 26px;
    font-weight: 700;
    color: #1a365d;
    line-height: 1;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 12px;
    color: #64748b;
}

.case-link {
    display: inline-flex;
    align-items: center;
    color: #1a365d;
    font-weight: 600;
    font-size: 14px;
    border-bottom: 1px solid transparent;
    transition: all 0.3s;
}

.case-link:hover {
    border-bottom: 1px solid #1a365d;
    padding-left: 5px;
}

/* 详细案例展示 */
.featured-case {
    background: white;
    padding: 100px 0;
    position: relative;
}

.featured-case:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, #e2e8f0, transparent);
}

.featured-case-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.featured-case-image {
    flex: 1;
    height: 420px;
    border-radius: 12px;
    background-size: cover;
    background-position: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    position: relative;
    overflow: hidden;
}

.featured-case-image:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.7), rgba(79, 209, 197, 0.3));
}

.featured-case-text {
    flex: 1;
}

.featured-case-text h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: #1e293b;
    line-height: 1.3;
}

.featured-case-text p {
    margin-bottom: 20px;
    color: #64748b;
    font-size: 16px;
    line-height: 1.8;
}

.case-benefits {
    margin: 30px 0;
}

.benefit-item {
    display: flex;
    align-items: center;
    margin-bottom: 18px;
}

.benefit-icon {
    width: 28px;
    height: 28px;
    background: #f0fff4;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: #38a169;
    font-weight: bold;
    flex-shrink: 0;
}

.btn {
    display: inline-block;
    background: linear-gradient(to right, #1a365d, #2d3748);
    color: white;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(26, 54, 93, 0.3);
    border: none;
    cursor: pointer;
    font-size: 15px;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 20px rgba(26, 54, 93, 0.4);
}

/* 统计数据部分 */
.stats-section {
    background: linear-gradient(135deg, #1a365d 0%, #2d3748 100%);
    color: white;
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.stats-section:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('/template/pc/skin/images/khal-page/back.jpg') center/cover no-repeat;
    opacity: 0.1;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 50px;
    margin-top: 60px;
    position: relative;
}

.stat-circle {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 36px;
    font-weight: 700;
    border: 2px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
}

.stat-item h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.stat-item p {
    opacity: 0.8;
    font-size: 14px;
}

/* 合作伙伴部分 */
.partners {
    padding: 100px 0;
    text-align: center;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 35px;
    margin-top: 50px;
}

.partner-logo {
    height: 90px;
    background: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: #4a5568;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    padding: 15px;
}

.partner-logo:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* 页脚样式 */
footer {
    background: #1a202c;
    color: white;
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-column h3 {
    font-size: 20px;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 12px;
}

.footer-column h3:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background: #4fd1c5;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a {
    color: #cbd5e0;
    transition: all 0.3s;
    display: inline-block;
}

.footer-column ul li a:hover {
    color: #4fd1c5;
    transform: translateX(5px);
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #2d3748;
    color: #a0aec0;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 968px) {
    .featured-case-content {
        flex-direction: column;
    }

    .featured-case-image {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        padding: 15px 0;
    }

    nav ul {
        margin-top: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }

    nav ul li {
        margin: 5px 10px;
    }

    .page-header h1 {
        font-size: 32px;
    }

    .section-title h2 {
        font-size: 28px;
    }

    .case-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media screen and (max-width: 1200px) {
    .kualBox {
        width: 100%;
        padding: 0 20px;
    }
}
@media screen and (max-width: 900px) {
    .kualBox {
        width: 100%;
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 768px) {
    .kualBox li img {
        width: 100%;
    }
}