.metalworking-challenges-module {
    width: 100%;
    background-color: #f9fafb;
    border-radius: 24px;
    margin: 24px 0;           /* 从30px减至24px */
}
.metalworking-challenges-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 20px 24px;       /* 从24px 24px减至20px 24px */
    box-sizing: border-box;
}
.section-title {
    font-family: 'Open Sans', sans-serif;
    font-weight: 700;
    font-size: 28px;          /* 从32px减至28px */
    color: #222222;
    text-align: center;
    margin-bottom: 8px;        /* 从12px减至8px */
}
.plain-text {
    font-family: 'Open Sans', sans-serif;
    font-size: 15px;           /* 从16px减至15px */
    line-height: 1.45;
    color: #555555;
    text-align: center;
}
.plain-text strong {
    color: #0047AB;
    font-weight: 600;
}
.plain-text p {
    margin-bottom: 10px;       /* 从12px减至10px */
}
.plain-text p:last-child {
    margin-bottom: 0;
}
/* 分组间距压缩 */
.factors-group,
.tasks-group {
    margin-top: 16px;          /* 从24px减至16px */
}
.group-title {
    font-family: 'Open Sans', sans-serif;
    font-weight: 600;
    font-size: 16px;           /* 从18px减至16px */
    color: #0047AB;
    text-align: center;
    margin-bottom: 8px;        /* 从12px减至8px */
}
.key-factors {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;                 /* 从16px减至12px */
}
.factor-tag {
    background: #ffffff;
    border: 1px solid #0047AB;
    border-radius: 40px;
    padding: 4px 16px;         /* 从6px 20px减至4px 16px */
    font-size: 13px;           /* 从14px减至13px */
    font-weight: 600;
    color: #0047AB;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}
.task-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;                 /* 从12px减至10px */
}
.task-tag {
    background: #ffffff;
    border: 1px solid #0047AB;
    border-radius: 40px;
    padding: 4px 12px;         /* 从6px 16px减至4px 12px */
    font-size: 12px;           /* 从13px减至12px */
    font-weight: 500;
    color: #0047AB;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}
@media (max-width: 768px) {
    .metalworking-challenges-inner {
        padding: 16px 20px;
    }
    .section-title {
        font-size: 24px;
        margin-bottom: 6px;
    }
    .plain-text {
        font-size: 14px;
    }
    .plain-text p {
        margin-bottom: 8px;
    }
    .group-title {
        font-size: 14px;
        margin-bottom: 6px;
    }
    .factor-tag {
        font-size: 12px;
        padding: 3px 12px;
    }
    .task-tag {
        font-size: 11px;
        padding: 3px 10px;
    }
}
@media (max-width: 640px) {
    .metalworking-challenges-inner {
        padding: 14px 16px;
    }
    .factor-tag,
    .task-tag {
        white-space: normal;
        text-align: center;
    }
}