/* solution.css 样式 */
.product-hero__content {
    margin-top: 80px;
}

.banner_long_detail {
    width: 540px;
}

.whiteBox, .greyBox {
    width: 100%;
    height: 600px;
    display: flex;
}

.whiteBox {
    background: #FFFFFF;
}

.greyBox {
    background: #F8F9FC;
}

.whiteBox .iconLeftDetail, .greyBox .iconRightDetail {
    width: 1440px;
    margin: 0 auto;
    display: flex;
    align-items: center;
}

.whiteBox .iconLeftDetail .leftPart {
    width: 814px;
    height: 500px;
    margin-right: 60px;
}

.greyBox .iconRightDetail .leftPart {
    flex: 1;
    margin-right: 60px;
}

.whiteBox .iconLeftDetail .rightPart {
    flex: 1;
}

.greyBox .iconRightDetail .rightPart {
    width: 814px;
    height: 500px;
}

.con_title {
    font-weight: 500;
    font-size: 40px;
    color: #0C1422;
    line-height: 50px;
    margin-bottom: 50px;
}

.whiteBox .iconLeftDetail .rightPart .describe, .greyBox .iconRightDetail .leftPart .describe {
    font-size: 16px;
    line-height: 26px;
    font-weight: 400;
    color: #77798D;
}

/* === 解决方案 - 痛点与挑战 公共样式 === */
.solution-challenge {
    padding: 90px 0;
}

.solution-challenge__inner {
    max-width: 1440px;
    margin: 0 auto;
}

.solution-challenge__header {
    text-align: center;
    margin-bottom: 50px;
}

.solution-challenge__title {
    font-weight: 600;
    font-size: 40px;
    color: #0C1422;
    line-height: 56px;
    text-align: center;
    font-style: normal;
    text-transform: none;
}

.solution-challenge__desc {
    width: 1226px;
    font-weight: 400;
    font-size: 20px;
    color: #77798D;
    line-height: 32px;
    margin: 50px auto 0;
}

.solution-challenge__content {
    display: grid;
    grid-template-columns: repeat(2, calc((100% - 24px) / 2));
    gap: 24px;
    margin: 0 auto;
}

/* 痛点卡片一行三列布局 */
.solution-challenge__content--3col {
    grid-template-columns: repeat(3, 1fr);
}

.solution-challenge__content--3col .challenge-card {
    max-width: 100%;
    height: auto;
    min-height: 323px;
}

/* 痛点卡片3+2布局：第一行3个(464px)，第二行2个(708px) */
.solution-challenge__content--3plus2 {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    grid-template-columns: unset;
}

.solution-challenge__content--3plus2 .challenge-card {
    width: 464px;
    max-width: none;
    height: 323px;
    flex-shrink: 0;
}

.solution-challenge__content--3plus2 .challenge-card:nth-child(n+4) {
    width: 708px;
    height: 299px;
}

@media (max-width: 1440px) {
    .solution-challenge__content--3plus2 .challenge-card {
        width: 100%;
        max-width: 100%;
        height: auto;
        min-height: 323px;
    }

    .solution-challenge__content--3plus2 .challenge-card:nth-child(n+4) {
        width: 100%;
        height: auto;
        min-height: 299px;
    }
}

/* 痛点卡片3+3布局：两行各3个(464px × 323px) */
.solution-challenge__content--3col-fixed {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    grid-template-columns: unset;
}

.solution-challenge__content--3col-fixed .challenge-card {
    width: 464px;
    max-width: none;
    height: 323px;
    flex-shrink: 0;
}

@media (max-width: 1440px) {
    .solution-challenge__content--3col-fixed .challenge-card {
        width: 100%;
        max-width: 100%;
        height: auto;
        min-height: 323px;
    }
}

.challenge-card {
    max-width: 708px;
    height: 323px;
    background: #FFFFFF;
    border-radius: 10px;
    border: 1px solid #E9EFF7;
    padding: 50px 32px;
    display: flex;
    flex-direction: column;
}

.challenge-card__icon {
    width: 82px;
    height: 82px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.challenge-card__title {
    font-weight: 600;
    font-size: 24px;
    color: #0C1422;
    line-height: 29px;
    font-style: normal;
    text-transform: none;
    margin-top: 32px;
    margin-bottom: 32px;
}

.challenge-card__desc {
    font-weight: 400;
    font-size: 16px;
    color: #77798D;
    line-height: 24px;
    font-style: normal;
    text-transform: none;
}

@media (max-width: 1440px) {
    .solution-challenge__inner {
        max-width: 1200px;
    }

    .solution-challenge__content {
        max-width: 1200px;
    }

    .challenge-card {
        max-width: 100%;
        height: auto;
        min-height: 323px;
    }
}

@media (min-width: 1441px) {
    .solution-challenge__inner {
        max-width: 1440px;
    }

    .solution-challenge__content {
        max-width: 1440px;
    }
}

/* === 解决方案 - 图文交替模块 公共样式 === */
.solution-plan__inner {
    margin: 0 auto;
}

.solution-plan__content {
    display: flex;
    flex-direction: column;
}

.solution-plan-item {
    width: 100%;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-plan-item--odd {
    background: #F8F9FC;
}

.solution-plan-item--even {
    background: #FFFFFF;
}

.solution-plan-item__inner {
    max-width: 1440px;
    width: 100%;
    display: flex;
    align-items: center;
}

.solution-plan-item--odd .solution-plan-item__inner {
    flex-direction: row;
}

.solution-plan-item--even .solution-plan-item__inner {
    flex-direction: row-reverse;
}

.solution-plan-item__text {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.solution-plan-item--even .solution-plan-item__text {
    margin-left: 60px;
}

.solution-plan-item--odd .solution-plan-item__text {
    margin-right: 60px;
}

.solution-plan-item__title {
    font-weight: 500;
    font-size: 40px;
    color: #0C1422;
    line-height: 50px;
    margin-bottom: 50px;
}

.solution-plan-item__desc {
    font-size: 16px;
    line-height: 26px;
    font-weight: 400;
    color: #77798D;
}

.solution-plan-item__desc .item {
    width: 420px;
    height: 40px;
    line-height: 40px;
    background: rgba(255,255,255,0.3);
    border-radius: 10px;
    border: 1px solid #E9EFF7;
    padding: 0 16px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

.solution-plan-item__desc .item span:first-child {
    font-weight: 500;
    font-size: 16px;
    color: #0E9AFF;
    white-space: nowrap;
    margin-right: 4px;
}

.solution-plan-item__desc .item span:last-child {
    font-size: 16px;
    color: #77798D;
}

.solution-plan-item__image {
    width: 830px;
    height: 500px;
    margin-top: 50px;
    margin-bottom: 50px;
    flex-shrink: 0;
    object-fit: cover;
}

/* 响应式 - 小于1440px，版心1200px */
@media (max-width: 1440px) {
    .solution-plan-item__inner {
        max-width: 1200px;
    }

    .solution-plan-item__image {
        width: 680px;
        height: 410px;
    }

    .solution-plan-item__title {
        font-size: 32px;
        line-height: 42px;
        margin-bottom: 40px;
    }
}

/* 响应式 - 大于1440px，版心1440px */
@media (min-width: 1441px) {


    .solution-plan-item__inner {
        max-width: 1440px;
    }
}

/* 小于1200px，不做移动端适配，保持1200px最小宽度 */
@media (max-width: 1199px) {
    .solution-challenge__inner {
        max-width: 1200px;
    }

    .solution-challenge__content {
        max-width: 1200px;
    }

    .solution-plan-item__inner {
        max-width: 1200px;
    }
}