/* 主视觉区 */
.joinus-bg {
    width: 74%;
    height: auto;
    position: relative;
    overflow: hidden;
    background-color: #FCFCFC;
}

.joinus-title {
    font-size: 60px;
    font-weight: 700;
    color: #002F41;
    margin-top: 10vh;
}

.joinus-title-cn {
    font-size: 48px;
    font-weight: 700;
    color: #002F41;
    margin-bottom: 22px;
}

.joinus-desc {
    font-size: 17px;
    color: #555;
    margin-bottom: 32px;
    line-height: 1.6;
}

.joinus-img-wrap {
    margin-bottom: 44px;
}

.joinus-img {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: 18px;
    display: block;
}

/* 职位列表 */
.job-list {
    margin-top: 16px;
}

.job-item {
    background: #fff;
    border-radius: 9px;
    margin-bottom: 18px;
    box-shadow: 0 2px 10px 0 rgba(18,67,139,0.07);
    transition: box-shadow .2s;
}

.job-header {
    cursor: pointer;
    padding: 26px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 30px;
    font-weight: 700;
    color: #002F41;
    border-bottom: 1px solid #f2f2f2;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}

    .job-header .job-title {
        color: #002F41;
    }

    .job-header .job-label {
        margin-left: 18px;
        font-size: 24px;
        font-weight: 600;
        color: #002F41;
        background: linear-gradient(0deg, #1B4EA0 0.12%, #2A9FD1 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        white-space: nowrap;
    }

        .job-header .job-label.salary {
            color: #002F41;
            font-size: 18px;
        }

    .job-header .job-info {
        font-size: 18px;
        color: #002F41;
        font-weight: 400;
        margin-left: 24px;
        white-space: nowrap;
    }

.job-header .job-arrow {
    flex-shrink: 0;
    font-size: 22px;
    color: #b6b6b6;
    transition: transform .25s;
    margin-left: 12px;
}

.job-item.open .job-arrow {
    transform: rotate(180deg);
    color: #218dff;
}

.job-detail {
    padding: 24px 38px 28px 38px;
    font-size: 18px;
    color: #002F41;
    line-height: 2.0;
    opacity: 0.6;
    display: none;
}
    .job-detail p {
        font-weight: bold;
    }

    .job-item.open .job-detail {
        display: block;
    }

/* ==================== 平板端适配 (≤991px) ==================== */
@media screen and (max-width: 991px) {
    .joinus-bg {
        width: 90%;
    }

    .joinus-title {
        font-size: 44px;
        margin-top: 6vh;
    }

    .joinus-title-cn {
        font-size: 32px;
        margin-bottom: 16px;
    }

    .joinus-desc {
        font-size: 15px;
        margin-bottom: 24px;
    }

    .joinus-img-wrap {
        margin-bottom: 32px;
    }

    .joinus-img {
        max-height: 300px;
        border-radius: 12px;
    }

    .job-header {
        padding: 20px 22px;
        font-size: 22px;
    }

    .job-header .job-label {
        margin-left: 12px;
        font-size: 18px;
    }

    .job-header .job-label.salary {
        font-size: 15px;
    }

    .job-header .job-info {
        font-size: 14px;
        margin-left: 16px;
    }

    .job-detail {
        padding: 20px 24px 24px 24px;
        font-size: 16px;
        line-height: 1.8;
    }
}

/* ==================== 手机端适配 (≤768px) ==================== */
@media screen and (max-width: 768px) {
    .joinus-bg {
        width: 100%;
        padding: 0 16px;
        box-sizing: border-box;
    }

    .joinus-title {
        font-size: 32px;
        margin-top: 5vh;
    }

    .joinus-title-cn {
        font-size: 24px;
        margin-bottom: 12px;
    }

    .joinus-desc {
        font-size: 14px;
        margin-bottom: 20px;
        line-height: 1.5;
    }

    .joinus-img-wrap {
        margin-bottom: 24px;
    }

    .joinus-img {
        max-height: 220px;
        border-radius: 10px;
    }

    .job-list {
        margin-top: 8px;
    }

    .job-item {
        border-radius: 8px;
        margin-bottom: 12px;
    }

    .job-header {
        padding: 16px 18px;
        font-size: 18px;
        flex-wrap: wrap;
    }

    /* 左侧信息区域：title + label + info 堆叠 */
    .job-header > span:first-child {
        display: flex;
        flex-wrap: wrap;
        align-items: baseline;
        flex: 1;
        min-width: 0;
    }

    .job-header .job-title {
        width: 100%;
        margin-bottom: 4px;
        font-size: 18px;
        line-height: 1.3;
    }

    .job-header .job-label {
        margin-left: 0;
        margin-right: 12px;
        font-size: 16px;
    }

    .job-header .job-label.salary {
        font-size: 14px;
        margin-left: 0;
    }

    .job-header .job-info {
        font-size: 13px;
        margin-left: 0;
        white-space: normal;
    }

    .job-header .job-arrow {
        font-size: 18px;
        margin-left: auto;
    }

    .job-detail {
        padding: 16px 16px 20px 16px;
        font-size: 14px;
        line-height: 1.7;
    }

    .job-detail p {
        font-size: 14px;
        margin-bottom: 4px;
    }
}

/* ==================== 小屏手机适配 (≤480px) ==================== */
@media screen and (max-width: 480px) {
    .joinus-bg {
        padding: 0 12px;
    }

    .joinus-title {
        font-size: 26px;
        margin-top: 1vh;
    }

    .joinus-title-cn {
        font-size: 20px;
        margin-bottom: 10px;
    }

    .joinus-desc {
        font-size: 13px;
        margin-bottom: 16px;
    }

    .joinus-img {
        max-height: 170px;
        border-radius: 8px;
    }

    .job-header {
        padding: 14px 14px;
        font-size: 16px;
    }

    .job-header .job-title {
        font-size: 16px;
    }

    .job-header .job-label {
        font-size: 14px;
        margin-right: 8px;
    }

    .job-header .job-label.salary {
        font-size: 13px;
    }

    .job-header .job-info {
        font-size: 12px;
    }

    .job-header .job-arrow {
        font-size: 16px;
    }

    .job-detail {
        padding: 12px 12px 16px 12px;
        font-size: 13px;
        line-height: 1.6;
    }

    .job-detail p {
        font-size: 13px;
    }
}