/* ============ Section: Qualifications ============ */
.qualifications {
    width: 100%;
    background:
        radial-gradient(1000px 480px at 110% -10%, rgba(26, 86, 219, 0.10), transparent 55%),
        radial-gradient(900px 460px at -10% 110%, rgba(26, 86, 219, 0.08), transparent 55%),
        linear-gradient(180deg, #eaf1fb 0%, #f7f9fc 52%, #ffffff 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px 60px 56px;
    position: relative;
    z-index: 0;
    overflow: hidden;
}

.qualifications::before {
    content: '\2713';
    position: absolute;
    left: 5%;
    top: 7%;
    font-size: 210px;
    line-height: 1;
    color: rgba(26, 86, 219, 0.06);
    font-weight: 700;
    pointer-events: none;
}

.qualifications::after {
    content: '';
    position: absolute;
    right: -70px;
    top: -70px;
    width: 260px;
    height: 260px;
    border: 2px dashed rgba(26, 86, 219, 0.14);
    border-radius: 50%;
    pointer-events: none;
}

.qualifications .sec-label {
    font-size: 12px;
    color: #8a94a6;
    letter-spacing: 5px;
    font-weight: 500;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.qualifications .sec-title {
    font-size: 30px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.qualifications .sec-title span {
    color: var(--color1);
}

.qualifications .sec-divider {
    width: 36px;
    height: 2px;
    background: linear-gradient(90deg, var(--color1), rgba(26, 86, 219, 0.15));
    margin: 0 auto 24px;
}

.qualifications .cert-watermark {
    position: absolute;
    right: 16px;
    bottom: 4px;
    font-size: 108px;
    font-weight: 800;
    letter-spacing: 8px;
    color: rgba(26, 86, 219, 0.05);
    pointer-events: none;
    z-index: -1;
}

/* 分类胶囊 */
.qualifications .cert-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 34px;
}

.qualifications .cert-filter {
    font-size: 13px;
    color: var(--color1);
    background: rgba(26, 86, 219, 0.06);
    border: 1px solid rgba(26, 86, 219, 0.18);
    padding: 7px 18px;
    border-radius: 999px;
    cursor: pointer;
    letter-spacing: 1px;
    transition: all 0.3s;
}

.qualifications .cert-filter:hover {
    background: rgba(26, 86, 219, 0.12);
    transform: translateY(-1px);
}

.qualifications .cert-filter.active {
    background: var(--color1);
    color: #fff;
    border-color: var(--color1);
    box-shadow: 0 6px 14px rgba(26, 86, 219, 0.28);
}

/* 分组：每组一行全宽，卡片数量自适应 */
.qualifications .cert-groups {
    display: flex;
    flex-direction: column;
    gap: 36px;
    max-width: 1240px;
    width: 100%;
}

.qualifications .cert-group-title {
    font-size: 16px;
    font-weight: 700;
    color: #1f2937;
    letter-spacing: 1px;
    margin: 0 0 14px;
    padding-left: 12px;
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
}

.qualifications .cert-group-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 3px;
    bottom: 3px;
    width: 3px;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--color1), #5b9cff);
}

.qualifications .cert-group-title em {
    font-style: normal;
    font-size: 11px;
    font-weight: 600;
    color: var(--color1);
    background: rgba(26, 86, 219, 0.08);
    border: 1px solid rgba(26, 86, 219, 0.18);
    padding: 1px 8px;
    border-radius: 999px;
}

.qualifications .cert-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    width: 100%;
}

.qualifications .cert-grid .cert-item {
    flex: 0 0 calc(16.666% - 13.33px);
    min-width: 0;
}

.qualifications .cert-item {
    position: relative;
    min-width: 0;
    background: #eef3f9;
    border: 0;
    border-radius: 0;
    overflow: hidden;
    box-shadow: none;
}

.qualifications .cert-item:hover {
    z-index: 2;
}

.qualifications .cert-item .cert-media {
    display: block;
    width: 100%;
    padding: 0;
    border: 0;
    background: #eef3f9;
    cursor: zoom-in;
    overflow: hidden;
    aspect-ratio: 210 / 297;
    min-height: 200px;
}

.qualifications .cert-item .cert-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.qualifications .cert-item:hover .cert-media img {
    transform: scale(1.06);
}

.qualifications .cert-item .cert-meta {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.12), rgba(15, 23, 42, 0.82));
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.qualifications .cert-item:hover .cert-meta,
.qualifications .cert-item:focus-within .cert-meta {
    opacity: 1;
}

.qualifications .cert-item .cert-name {
    width: 100%;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    text-align: center;
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
}

.qualifications .cert-item .cert-no {
    display: none;
}

.qualifications .cert-item .cert-type {
    display: none;
}

.qualifications .cert-item .cert-meta::after {
    content: '\67E5\770B\8BE6\60C5';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 84px;
    padding: 7px 14px;
    border: 1px solid rgba(255, 255, 255, 0.72);
    color: #fff;
    font-size: 11px;
    letter-spacing: 2px;
}

.qualifications .cert-item:focus-within {
    outline: 2px solid var(--color1);
    outline-offset: -2px;
}


@media (max-width: 900px) {

    .qualifications {
        padding: 24px 20px 24px;
    }

    .qualifications .cert-filters {
        gap: 8px;
        margin-bottom: 24px;
    }

    .qualifications .cert-filter {
        font-size: 12px;
        padding: 6px 14px;
    }

    .qualifications .cert-groups {
        gap: 28px;
    }

    .qualifications .cert-grid {
        gap: 10px;
    }

    .qualifications .cert-grid .cert-item {
        flex: 1 1 calc(50% - 5px);
    }

    .qualifications .cert-item {
        padding: 0;
    }

    .qualifications .cert-item .cert-media {
        aspect-ratio: 210 / 297;
        height: auto;
    }

    .qualifications .cert-item .cert-meta {
        padding: 10px 10px 12px;
    }
}