/* 技能图标墙 */

.work-section {
    width: 100%;
    margin-bottom: 8px;
}

.work-section .title {
    margin-top: 12px;
    margin-bottom: 6px;
}

.work-section-desc {
    font-size: 13px;
    color: var(--item_left_text_color);
    opacity: 0.72;
    margin: 0 12px 16px;
    line-height: 1.5;
}

.skill-section {
    margin-bottom: 24px;
}

.skills-wrap {
    margin: 0 12px 8px;
    padding: 24px 22px 20px;
    border-radius: 16px;
    background: var(--item_bg_color);
    border: 1px solid var(--item_border_color, transparent);
    box-shadow: var(--shadow_card, none);
    backdrop-filter: blur(var(--card_filter));
    -webkit-backdrop-filter: blur(var(--card_filter));
}

.skill-group + .skill-group {
    margin-top: 22px;
    padding-top: 20px;
    border-top: 1px solid color-mix(in srgb, var(--item_left_text_color) 12%, transparent);
}

.skill-group-title {
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--purple_text_color);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.skill-group-title::after {
    content: "";
    flex: 1;
    height: 1px;
    background: color-mix(in srgb, var(--purple_text_color) 25%, transparent);
}

.skill-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.skill-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    width: 72px;
    padding: 4px 2px;
    cursor: default;
    transition: transform 0.22s ease;
}

.skill-item:hover {
    transform: translateY(-4px);
}

.skill-item:hover .skill-item-label {
    color: var(--purple_text_color);
    opacity: 1;
}

.skill-icon-box {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--text_bg_color);
    box-shadow: 0 4px 14px color-mix(in srgb, var(--main_text_color) 6%, transparent);
    overflow: hidden;
    transition: box-shadow 0.22s ease;
}

.skill-item:hover .skill-icon-box {
    box-shadow: 0 8px 20px color-mix(in srgb, var(--purple_text_color) 22%, transparent);
}

.skill-icon-box img {
    width: 36px;
    height: 36px;
    object-fit: contain;
    display: block;
}

.skill-item-label {
    font-size: 11px;
    font-weight: 600;
    text-align: center;
    line-height: 1.25;
    color: var(--item_left_text_color);
    opacity: 0.82;
    max-width: 72px;
    word-break: keep-all;
    transition: color 0.2s ease, opacity 0.2s ease;
}

/* 办公软件自定义图标 */
.skill-icon-box--office {
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
}

.skill-icon-box--word {
    background: linear-gradient(145deg, #2b579a, #185abd);
}

.skill-icon-box--excel {
    background: linear-gradient(145deg, #217346, #0e5c2f);
}

.skill-icon-box--ppt {
    background: linear-gradient(145deg, #d24726, #b7472a);
}

.skill-icon-box--visio {
    background: linear-gradient(145deg, #3955a3, #2a4494);
}

.skill-icon-box--matlab {
    background: linear-gradient(145deg, #e16737, #0076a8);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: -0.5px;
}

.skill-icon-box--sql {
    background: linear-gradient(145deg, #336791, #4a90b8);
    font-size: 13px;
    font-weight: 800;
}

.skill-icon-box--api {
    background: linear-gradient(145deg, #009688, #00796b);
    font-size: 12px;
    font-weight: 800;
}

@media (max-width: 800px) {
    .work-section-desc {
        margin: 0 15px 14px;
    }

    .skills-wrap {
        margin: 0 0 8px;
        padding: 20px 16px 16px;
    }

    .skill-item {
        width: calc(25% - 9px);
        min-width: 64px;
    }

    .skill-grid {
        gap: 10px 8px;
    }

    .skill-icon-box {
        width: 48px;
        height: 48px;
    }

    .skill-icon-box img {
        width: 32px;
        height: 32px;
    }
}

@media (max-width: 420px) {
    .skill-item {
        width: calc(33.33% - 8px);
    }
}