.index-banner {
    height: 1000px;
    /* background: linear-gradient(180deg, #FFF9F7 0%, #FFF8F6 100%); */
    background: url(../images/banner_about.jpg) no-repeat center center;
    background-size: cover;
    position: relative;
}

.index-box {
    width: 1300px;
    position: absolute;
    left: 50%;
    top: 53%;
    transform: translate(-50%, -50%);
    z-index: 2;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 30px;
}

/* 解决方案模块 */
.index-scenicS {
    width: 635px;
    height: 318px;
    background: url(../images/index_scenicS.jpg) no-repeat center center;
    background-size: cover;
    position: relative;
    border-radius: 10px;
}
.index-wechatC {
    width: 635px;
    height: 318px;
    background: url(../images/index_wechatC.jpg) no-repeat center center;
    background-size: cover;
    position: relative;
    border-radius: 10px;
}
.index-travelA {
    width: 635px;
    height: 318px;
    background: url(../images/index_travelA.jpg) no-repeat center center;
    background-size: cover;
    position: relative;
    border-radius: 10px;
}
.index-hardware {
    width: 635px;
    height: 318px;
    background: url(../images/index_hardware.jpg) no-repeat center center;
    background-size: cover;
    position: relative;
    border-radius: 10px;
}

.tnci-banner {
    height: 540px;
    background: url(../images/banner_about.jpg) no-repeat center center;
    background-size: cover;
    position: relative;
}

.lv-banner {
    height: 540px;
    background: url(../images/solution/banner_lv.jpg) no-repeat center center;
    background-size: cover;
    position: relative;
}

.banner-box {
    width: 1200px;
    height: 100%;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
}

.tnci-text,
.lv-text {
    width: 600px;
    position: absolute;
    top: 50%;
    left: 0;
    transform: translate(0, -50%);
}

.tnci-text h1,
.lv-text h1 {
    font-size: 54px;
    font-weight: bold;
    color: #19293A;
    padding: 20px;
    display: block;
}

.tnci-text span,
.lv-text span {
    font-size: 18px;
    padding: 15px;
    color: #303133;
    /* margin-bottom: 40px; */
    display: block;
}

.tnci_psd {
    width: 540px;
    height: 450px;
    background: url(../images/about_psd.png) no-repeat center center;
    background-size: cover;
    position: absolute;
    /* top: 50%; */
    bottom: 0;
    right: 0;
    /* transform: translate(0, -50%); */
}

.lv_psd {
    width: 540px;
    height: 450px;
    background: url(../images/solution/lv_psd.png) no-repeat center center;
    background-size: cover;
    position: absolute;
    /* top: 50%; */
    bottom: 0;
    right: 0;
    /* transform: translate(0, -50%); */
}

.checked {
    color: #fff !important;
    background: rgba(0, 0, 0, 0.1) !important;
    border-bottom: 1px solid #22AC38 !important;
}

.child_menu {
    display: none
}

#popup {
    width: 100%;
    height: 100%;
    position: fixed;
    z-index: 100;
    display: none;

}

.popupMask {
    position: absolute;
    top: 0%;
    left: 0%;
    width: 100%;
    height: 100%;
    background-color: black;
    z-index: 100;
    -moz-opacity: 0.8;
    opacity: .80;
    filter: alpha(opacity=80);
}

.popupimg {
    width: 60%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 101;
    cursor: pointer;
}

.popupimgImg {
    width: 100%;
    border-radius: 20px;
}

.popupimgClose {
    width: 60px;
    height: 60px;
    position: absolute;
    z-index: 101;
    top: -60px;
    right: -60px;
}

.popupimgClose:hover {
    cursor: pointer;
    transform: rotate(360deg);
    -webkit-transition: all 1s ease;
    transition: all 1s ease;
}


.solution {}

.solution-list {}

.solution-item {
    width: 100%;
    background-color: #FFFFFF;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 80px 0;
}

.solution-list .solution-item:nth-child(2n) {
    background-color: #F8F9FB;
}

.solution-content {
    width: 1200px;
    display: flex;
    justify-content: space-between;
    gap: 40px;
}

.solution-content h2 {
    font-size: 36px;
    color: #303133;
    font-weight: bold;
}

.solution-content .left {
    display: flex;
    flex-direction: column;
    gap: 30px;
    justify-content: center;
}

.solution-content .right {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.solution-content .right img {
    width: 630px;
}

.text-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.text-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.text-item img {
    width: 48px;
    height: 48px;
}

.text-item p {
    font-size: 18px;
    color: #303133;
    font-weight: bold;
    margin-bottom: 5px;
}

.text-item span {
    font-size: 15px;
    color: #606266;
}

.tnci-btn {
    width: 180px;
    height: 54px;
    font-size: 15px;
    background: linear-gradient(270deg, #22AC38 0%, #FF8863 100%);
    line-height: 54px;
    text-align: center;
    color: #FFFFFF;
    border-radius: 27px;
}

.tnci-btn a {
    width: 100%;
    height: 100%;
    color: #FFFFFF !important;
}

/* ========================================= */
/* 技术实力 · 交付保障 模块
/* ========================================= */
.tech-section {
    padding: 80px 20px;
    background: #F8FAFB;
}

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

/* 通用 section 标题 */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 34px;
    font-weight: bold;
    color: #19293A;
    letter-spacing: 2px;
}

.section-subtitle {
    font-size: 16px;
    color: #606266;
    margin-top: 12px;
    line-height: 1.6;
}

.section-line {
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #22AC38 0%, #1b9e30 100%);
    border-radius: 2px;
    margin: 20px auto 0;
}

/* 技术卡片网格 */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.tech-card {
    background: #FFFFFF;
    border-radius: 12px;
    padding: 36px 24px;
    text-align: center;
    border: 1px solid #EBEEF5;
    transition: all 0.35s ease;
    position: relative;
    overflow: hidden;
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #22AC38, #1b9e30);
    transform: scaleX(0);
    transition: transform 0.35s ease;
    transform-origin: left;
}

.tech-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 36px rgba(34, 172, 56, 0.12);
    border-color: rgba(34, 172, 56, 0.3);
}

.tech-card:hover::before {
    transform: scaleX(1);
}

.tech-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
}

.tech-icon svg {
    width: 100%;
    height: 100%;
}

.tech-card h3 {
    font-size: 20px;
    font-weight: bold;
    color: #19293A;
    margin-bottom: 12px;
}

.tech-card > p {
    font-size: 14px;
    color: #606266;
    line-height: 1.7;
    margin-bottom: 18px;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.tech-tags span {
    display: inline-block;
    padding: 4px 12px;
    font-size: 12px;
    color: #22AC38;
    background: rgba(34, 172, 56, 0.08);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.tech-card:hover .tech-tags span {
    background: rgba(34, 172, 56, 0.15);
}

/* ========================================= */
/* 核心团队 · 技术基石 模块
/* ========================================= */
.team-section {
    padding: 80px 20px;
    background: #FFFFFF;
}

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

.team-content {
    display: flex;
    gap: 40px;
    align-items: stretch;
}

.team-left {
    width: 40%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* 数据统计 */
.team-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 30px;
}

.stat-item {
    text-align: center;
    padding: 24px 16px;
    background: linear-gradient(135deg, rgba(34, 172, 56, 0.06) 0%, rgba(34, 172, 56, 0.02) 100%);
    border-radius: 10px;
    border: 1px solid rgba(34, 172, 56, 0.1);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(34, 172, 56, 0.1);
    border-color: rgba(34, 172, 56, 0.25);
}

.stat-num {
    font-size: 36px;
    font-weight: bold;
    color: #22AC38;
    display: block;
    line-height: 1.2;
}

.stat-num em {
    font-size: 22px;
    font-style: normal;
}

.stat-label {
    font-size: 14px;
    color: #606266;
    margin-top: 8px;
    display: block;
}

.team-desc {
    font-size: 15px;
    color: #606266;
    line-height: 1.8;
}

/* 右侧团队卡片 */
.team-right {
    width: 60%;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.team-card {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 24px 28px;
    background: #F8FAFB;
    border-radius: 12px;
    border-left: 4px solid transparent;
    transition: all 0.35s ease;
    position: relative;
}

.team-card:hover {
    background: #FFFFFF;
    border-left-color: #22AC38;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    transform: translateX(6px);
}

.card-badge {
    position: absolute;
    top: 12px;
    right: 16px;
    font-size: 12px;
    color: #22AC38;
    font-weight: bold;
    padding: 2px 10px;
    background: rgba(34, 172, 56, 0.1);
    border-radius: 10px;
}

.card-icon {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.team-card h3 {
    font-size: 18px;
    font-weight: bold;
    color: #19293A;
    margin-bottom: 6px;
}

.team-card p {
    font-size: 14px;
    color: #606266;
    line-height: 1.6;
}

@media (max-width:1200px) {
    .popupimg {
        width: 90%;
    }

    .popupimgImg {
        width: 100%;
        border-radius: 10px;
    }

    .popupimgClose {
        width: 40px;
        height: 40px;
        position: absolute;
        z-index: 101;
        top: unset;
        bottom: -60px;
        right: 50%;
        transform: translate(50%, 0) !important;
    }

    .popupimgClose:hover {
        cursor: pointer;
        -webkit-transition: all 1s ease;
        transition: all 1s ease;
    }

    .solution-content .right {
        width: 50%;
    }

    /* 技术实力 & 核心团队 平板适配 */
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .team-content {
        flex-direction: column;
    }

    .team-left {
        width: 100%;
    }

    .team-right {
        width: 100%;
    }
}


@media screen and (max-width:768px) {

    /* 技术实力模块 */
    .tech-section {
        padding: 50px 15px;
    }

    .section-header {
        margin-bottom: 35px;
    }

    .section-title {
        font-size: 24px;
        letter-spacing: 1px;
    }

    .section-subtitle {
        font-size: 14px;
        line-height: 1.5;
        padding: 0 10px;
    }

    .section-line {
        width: 45px;
        height: 3px;
        margin-top: 15px;
    }

    .tech-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .tech-card {
        padding: 28px 20px;
        text-align: left;
    }

    .tech-card h3 {
        font-size: 18px;
    }

    .tech-card > p {
        font-size: 13px;
    }

    .tech-icon {
        margin: 0 0 16px 0;
        width: 44px;
        height: 44px;
    }

    .tech-tags {
        justify-content: flex-start;
    }

    /* 核心团队模块 */
    .team-section {
        padding: 50px 15px;
    }

    .team-content {
        flex-direction: column;
        gap: 24px;
    }

    .team-left {
        width: 100%;
    }

    .team-stats {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
        margin-bottom: 20px;
    }

    .stat-item {
        padding: 16px 10px;
    }

    .stat-num {
        font-size: 28px;
    }

    .stat-num em {
        font-size: 18px;
    }

    .stat-label {
        font-size: 12px;
    }

    .team-desc {
        font-size: 14px;
        line-height: 1.7;
    }

    .team-right {
        width: 100%;
        gap: 12px;
    }

    .team-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 20px;
        text-align: left;
    }

    .team-card:hover {
        transform: none;
    }

    .card-badge {
        position: static;
        align-self: flex-end;
        margin-bottom: 4px;
    }

    .card-icon {
        width: 40px;
        height: 40px;
    }

    .team-card h3 {
        font-size: 16px;
    }

    .team-card p {
        font-size: 13px;
    }

    .index-banner {
        height: auto;
        /* background: linear-gradient(180deg, #FFF9F7 0%, #FFF8F6 100%); */
        background: url(../images/banner_about.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }
    
    .index-box {
        width: 100%;
        position: relative;
        left: unset;
        top: unset;
        transform: none;
        z-index: 2;
        display: flex;
        flex-direction: column;
        flex-wrap: nowrap;
        gap: 20px;
        padding: 100px 15px 40px;
    }
    
    /* 解决方案模块 */
    .index-scenicS {
        width: 100%;
        height: 360px;
        background: url(../images/index_scenicS.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }
    .index-wechatC {
        width: 100%;
        height: 360px;
        background: url(../images/index_wechatC.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }
    .index-travelA {
        width: 100%;
        height: 360px;
        background: url(../images/index_travelA.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }
    .index-hardware {
        width: 100%;
        height: 360px;
        background: url(../images/index_hardware.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }

    .tnci-banner {
        height: 350px;
        background: url(../images/mobile/m_about.jpg) no-repeat center center;
        background-size: cover;
    }

    .lv-banner {
        height: 350px;
        background: url(../images/mobile/m_lvxingshe.jpg) no-repeat center center;
        background-size: cover;
    }

    .banner-box {
        width: 100%;
    }

    .tnci-text,
    .lv-text {
        width: 60%;
    }

    .tnci-text h1,
    .lv-text h1 {
        font-size: 24px;
        color: #303133;
    }

    .tnci-text span,
    .lv-text span {
        font-size: 16px;
        /* padding: 10px; */
        display: none;
    }

    .tnci_psd,
    .lv_psd {
        display: none;
    }

    .slogan {
        height: auto;
        padding: 20px;
    }

    .slogan-content {
        width: 100%;
        padding: 0 30px;
        gap: 10px;
    }

    .slogan-text h2 {
        font-size: 24px;
    }

    .slogan-text span {
        font-size: 14px;
        display: none;
    }

    .slogan-btn {
        width: auto;
        padding: 0 20px;
        height: 40px;
        font-size: 14px;
        line-height: 40px;
    }

    .slogan-btn img {
        display: none;
    }

    .solution-item {
        padding: 0;
    }

    .solution-content {
        width: 100%;
        margin: 0;
        padding: 40px 20px;
        flex-direction: column;
        gap: 20px;
    }

    .solution-list .solution-item:nth-child(2n-1) .solution-content {
        flex-direction: column-reverse;
    }

    .solution-content .right {
        width: 100%;
    }

    .solution-content .right img {
        width: 100%;
    }

    .solution-content h2 {
        font-size: 24px;
    }

    .text-item p {
        font-size: 16px;
    }

    .text-item span {
        font-size: 14px;
    }

    .tnci-btn {
        width: 100%;
        height: 40px;
        font-size: 14px;
        line-height: 40px;
    }

    .tnci-btn img {
        display: none;
    }

    .text-item img {
        width: 40px;
        height: 40px;
    }
}

@media screen and (max-width:700px) {
    /* 解决方案模块 */
    .index-scenicS {
        width: 100%;
        height: 300px;
        background: url(../images/index_scenicS.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }
    .index-wechatC {
        width: 100%;
        height: 300px;
        background: url(../images/index_wechatC.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }
    .index-travelA {
        width: 100%;
        height: 300px;
        background: url(../images/index_travelA.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }
    .index-hardware {
        width: 100%;
        height: 300px;
        background: url(../images/index_hardware.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }
}

@media screen and (max-width:600px) {
    /* 解决方案模块 */
    .index-scenicS {
        width: 100%;
        height: 260px;
        background: url(../images/index_scenicS.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }
    .index-wechatC {
        width: 100%;
        height: 260px;
        background: url(../images/index_wechatC.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }
    .index-travelA {
        width: 100%;
        height: 260px;
        background: url(../images/index_travelA.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }
    .index-hardware {
        width: 100%;
        height: 260px;
        background: url(../images/index_hardware.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }
}

@media screen and (max-width:510px) {
    /* 解决方案模块 */
    .index-scenicS {
        width: 100%;
        height: 210px;
        background: url(../images/index_scenicS.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }
    .index-wechatC {
        width: 100%;
        height: 210px;
        background: url(../images/index_wechatC.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }
    .index-travelA {
        width: 100%;
        height: 210px;
        background: url(../images/index_travelA.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }
    .index-hardware {
        width: 100%;
        height: 210px;
        background: url(../images/index_hardware.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }
}

@media screen and (max-width:420px) {
    /* 解决方案模块 */
    .index-scenicS {
        width: 100%;
        height: 175px;
        background: url(../images/index_scenicS.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }
    .index-wechatC {
        width: 100%;
        height: 175px;
        background: url(../images/index_wechatC.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }
    .index-travelA {
        width: 100%;
        height: 175px;
        background: url(../images/index_travelA.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }
    .index-hardware {
        width: 100%;
        height: 175px;
        background: url(../images/index_hardware.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }
}

@media screen and (max-width:360px) {
    /* 解决方案模块 */
    .index-scenicS {
        width: 100%;
        height: 145px;
        background: url(../images/index_scenicS.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }
    .index-wechatC {
        width: 100%;
        height: 145px;
        background: url(../images/index_wechatC.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }
    .index-travelA {
        width: 100%;
        height: 145px;
        background: url(../images/index_travelA.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }
    .index-hardware {
        width: 100%;
        height: 145px;
        background: url(../images/index_hardware.jpg) no-repeat center center;
        background-size: cover;
        position: relative;
    }
}