.custom-banner {
    width: 100%;
    height: 566px;
    display: flex;
    align-items: center;
    position: relative;
}


.banner-content {
    position: relative;
    z-index: 2;
    text-align: left;
    color: #fff;
    max-width: 1136px;
    margin: 0 auto;
    /* padding: 0 32px; */
    display: flex;
    flex-direction: column;
}

.banner-en {
    font-weight: 700;
    font-size: 19px;
    color: #FFFFFF;
    letter-spacing: 2px;
    margin-bottom: 14px;
    text-transform: uppercase;
    padding-bottom: 26px;
    border-bottom: 1px solid #FFFFFF;
}

.banner-title {
    font-weight: 700;
    font-size: 38px;
    color: #FFFFFF;
    margin-top: 19px;
    margin-bottom: 19px;
    letter-spacing: 2px;
}

.banner-desc {
    font-weight: 500;
    font-size: 13px;
    color: #FFFFFF;
    line-height: 26px;
    text-align: left;
}



/* 系统功能 */
.system-function {
    background: #fff;
    padding: 36px 0;
}


.system-function-title {

    font-weight: 700;
    font-size: 29px;
    color: #3D3D3D;
    line-height: 43px;


    text-align: center;
    margin-bottom: 8px;
    margin-top: 0;
}

.system-function-desc {
    font-weight: 400;
    font-size: 13px;
    color: #3D3D3D;
    text-align: center;
    letter-spacing: 1px;
    margin-bottom: 44px;
    margin-top: 0;
    margin-left: auto;
    margin-right: auto;
}

.system-function-columns {
    display: flex;
    justify-content: center;
    gap: 26px;
    margin-top: 26px;
    flex-wrap: wrap;
}

.system-function-column {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 373px;
}

.system-function-tab {
    background: #dbeafe;
    color: #222;
    font-size: 14px;
    font-weight: 700;
    border-radius: 6px 6px 0 0;
    padding: 13px 0;
    width: 100%;
    text-align: center;
    margin-bottom: 0;
    letter-spacing: 2px;
}

.system-function-column.tab-1 .system-function-tab {
    background: #CCEEFB;
}

.system-function-column.tab-2 .system-function-tab {
    background: #D9E9FF;
}

.system-function-column.tab-3 .system-function-tab {
    background: #DDDAFB;
}

.system-function-card {
    margin-top: 19px;
    background: #E9F2FD;
    border-radius: 6px;
    box-shadow: 0 3px 19px rgba(0, 42, 120, 0.06);
    padding: 32px 26px 26px 26px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: box-shadow 0.2s;
}

.system-function-card:hover {
    box-shadow: 0 6px 26px rgba(0, 42, 120, 0.12);
}

.system-function-icon {
    width: 92px;
    height: 92px;
    margin-bottom: 19px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #e3eefd 0%, #f5f8fe 100%);
    border-radius: 50%;
}

.system-function-icon img {
    width: 92px;
    height: 92px;
}

.system-function-card-desc {
    font-weight: 700;
    font-size: 14px;
    color: #333333;
    text-align: center;
}



/* 联系我们 */
.contact-us {
    width: 100%;
    background: #f8f9fb;
    padding: 48px 0 64px 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.contact-container {
    text-align: center;
}

.contact-title {
    margin-bottom: 19px;
    font-weight: 600;
    font-size: 32px;
    color: #000000;
}

.contact-info {
    font-weight: 600;
    font-size: 18px;
    color: #4B5563;
    margin-bottom: 19px;
}

.contact-btn {
    display: inline-block;
    background: #ff7a1a;
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    line-height: 26px;
    padding: 6px 30px;
    border-radius: 26px;
    text-decoration: none;
    transition: background 0.2s;
    box-shadow: 0 2px 6px rgba(255, 122, 26, 0.08);
}

.contact-btn:hover {
    background: #ff8c3a;
}

/* */
/* 上方信息区 */
.main-content {
    width: 100%;
    background: #fff;
    padding: 32px 0;
}

.content-wrapper {
    max-width: 1160px;
    margin: 0 auto;
}

.main-slider {
    position: relative;
    max-width: 1264px;
    margin: 0 auto;
    background: transparent;
    background: #fff;
}

.main-slider-content {
    display: none;
}

.main-slider-content.active {
    display: block;
}

.main-slider-top {
    display: flex;
    gap: 45px;
    margin-bottom: 38px;
    align-items: stretch;
    justify-content: center;
    
    padding: 29px 29px 38px 29px;
}

.main-slider-left {
    flex: 1.6;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.main-slider-num {
    font-weight: bold;
    font-size: 29px;
    color: #888A95;
    margin-bottom: 13px;
    letter-spacing: 2px;
}

.main-slider-title {
    font-weight: 700;
    font-size: 29px;
    color: #333333;
    margin-bottom: 13px;
    letter-spacing: 1px;
}

.main-slider-desc {
    font-size: 13px;
    color: #4b5563;
    margin-bottom: 18px;
    line-height: 1.8;
}

.main-slider-thumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 19px;
    margin-top: 13px;
}

.main-slider-thumbs img {
    width: 142px;
    height: 85px;
    border-radius: 6px;
    object-fit: cover;
    background: #eaf2fb;
    box-shadow: 0 2px 6px rgba(0, 42, 120, 0.08);
    border: 2px solid #f0f4fa;
}

.main-slider-right {
    flex: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-slider-image-wrapper {
    height: 100%;
    display: flex;
    align-items: stretch;
    justify-content: center;
}

.main-slider-image-wrapper img {
    height: 100%;
    width: auto;
    max-width: 100%;
    object-fit: cover;
    border-radius: 4px;
    box-shadow: 0 4px 24px rgba(0, 42, 120, 0.10);
}

/* 中间Tab区 */
.main-slider-tabs {
    display: flex;
    justify-content: space-between;
    gap: 29px;
    margin-bottom: 38px;
    height: 83px;
}

.main-slider-tab {
    background: #e5eaf3;
    color: #222;
    padding: 18px 45px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, box-shadow 0.2s;
    min-width: 272px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 42, 120, 0.06);
    border: none;
    outline: none;
    letter-spacing: 1px;
    width: 100%;
}

.main-slider-tab.active {
    background: #00263B;
    font-weight: 700;
    font-size: 14px;
    color: #FFFFFF;
}

/* 下方内容区 */
.main-slider-bottom {
    display: flex;
    gap: 66px;
    justify-content: center;
    align-items: flex-start;
    margin-top: 120px;
    padding: 0 29px;
    max-width: 1264px;
    margin-left: auto;
    margin-right: auto;
}

.main-slider-table {
    flex: 1.2;
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.main-slider-table-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.main-slider-table-wrapper img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.main-slider-bottom-desc {
    flex: 2;
    min-width: 272px;
    max-width: 480px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.main-slider-bottom-title {
    font-weight: 700;
    font-size: 22px;
    color: #333333;
    margin-bottom: 19px;
    letter-spacing: 1px;
}

.main-slider-bottom-text {
    font-size: 14px;
    color: #3d3d3d;
    line-height: 2;
    white-space: pre-line;
}

/* 左右按钮 */
.main-slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: #F1F3F5;
    border: none;
    border-radius: 50%;
    width: 38px;
    height: 38px;
    font-size: 16px;
    font-weight: 700;
    color: #163648;
    cursor: pointer;
    z-index: 10;
    transition: box-shadow 0.2s, background 0.2s;
}

.main-slider-arrow.left {
    left: -37px;
    top: 36%;
}

.main-slider-arrow.right {
    right: -37px;
    top: 36%;
}