.qing-who-we-serve {
    width: 100%;
    padding: 96px 0;
    background: #fff;
    overflow: hidden;
}

.qing-who-we-serve__container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 32px;
}

.qing-who-we-serve__heading {
    max-width: 720px;
    margin: 0 auto 64px;
    text-align: center;
}

.qing-who-we-serve__eyebrow {
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.16em;
    line-height: 1.4;
    text-transform: uppercase;
}

.qing-who-we-serve__title {
    position: relative;
    display: inline-block;
    margin: 0;
    padding-bottom: 18px;
    font-family: Georgia, 'Times New Roman', serif;
    font-size: clamp(30px, 3vw, 40px);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.18;
}

.qing-who-we-serve__title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 56px;
    height: 3px;
    transform: translateX(-50%);
}

.qing-who-we-serve__description {
    max-width: 672px;
    margin: 24px auto 0;
    font-size: 16px;
    line-height: 1.75;
}

.qing-who-we-serve__grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
}

.qing-who-we-serve__card {
    position: relative;
    overflow: hidden;
    padding: 40px;
    border: 1px solid;
    transition: transform 0.5s ease, background-color 0.5s ease, box-shadow 0.5s ease, border-color 0.5s ease;
}

.qing-who-we-serve__card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(15, 23, 42, 0.2);
}

.qing-who-we-serve__bg-icon {
    position: absolute;
    top: -16px;
    right: -16px;
    z-index: 0;
    padding: 24px;
    font-size: 112px;
    line-height: 1;
    opacity: 0.05;
    transition: transform 0.7s ease, opacity 0.7s ease, color 0.7s ease;
}

.qing-who-we-serve__bg-icon i {
    font-size: inherit;
}

.qing-who-we-serve__bg-icon svg {
    width: 112px;
    height: 112px;
}

.qing-who-we-serve__card:hover .qing-who-we-serve__bg-icon {
    opacity: 0.2;
    transform: scale(1.25) rotate(-12deg);
}

.qing-who-we-serve__icon-box {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin-bottom: 32px;
    box-shadow: 0 1px 8px rgba(15, 23, 42, 0.08);
    transition: background-color 0.5s ease, border-color 0.5s ease;
}

.qing-who-we-serve__card:hover .qing-who-we-serve__icon-box {
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.qing-who-we-serve__icon {
    font-size: 24px;
    line-height: 1;
}

.qing-who-we-serve__icon i,
.qing-who-we-serve__icon svg {
    color: inherit;
    fill: currentColor;
}

.qing-who-we-serve__card-title {
    position: relative;
    z-index: 2;
    margin: 0 0 12px;
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.25;
    transition: color 0.5s ease;
}

.qing-who-we-serve__card:hover .qing-who-we-serve__card-title {
    transition: color 0.5s ease;
}

.qing-who-we-serve__card-description {
    position: relative;
    z-index: 2;
    font-size: 14px;
    line-height: 1.7;
    transition: color 0.5s ease;
}

.qing-who-we-serve__card:hover .qing-who-we-serve__card-description {
    transition: color 0.5s ease;
}

@media (max-width: 1024px) {
    .qing-who-we-serve__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 767px) {
    .qing-who-we-serve {
        padding: 64px 0;
    }

    .qing-who-we-serve__container {
        padding: 0 20px;
    }

    .qing-who-we-serve__grid {
        grid-template-columns: 1fr;
    }

    .qing-who-we-serve__card {
        padding: 32px;
    }
}