.pollution-section {
    padding: 4rem 3rem;
    background: rgba(235, 235, 235, .45);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border-radius: 32px;
    margin: 0 auto 12vh;
    width: 80vw;
    font-family: "Noto Sans TC", sans-serif;
    display: flex;
    flex-direction: column;
}

.pollution-section .pollution-header {
    margin-bottom: 2.5rem
}

.pollution-section .pollution-header .pollution-title {
    font-size: 2.2rem;
    font-weight: 700
}

.pollution-section .pollution-header .pollution-subtitle {
    font-size: 1.2rem;
    color: #555;
    margin: .4rem 0 1rem
}

.pollution-section .pollution-header .pollution-intro {
    font-size: 1rem;
    line-height: 1.8;
    color: #444
}

.pollution-section .pollution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(480px, 1fr));
    gap: 1.8rem;
    margin-bottom: 2.8rem
}

.pollution-section .pollution-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 6px 18px rgba(0, 0, 0, .08);
    transition: transform .2s ease
}

.pollution-section .pollution-card:hover {
    transform: translateY(-4px)
}

.pollution-section .pollution-card img {
    width: 100%;
    height: 220px;
    -o-object-fit: cover;
    object-fit: cover;
    display: block
}

.pollution-section .pollution-card .pollution-info {
    padding: 1rem 1.2rem
}

.pollution-section .pollution-card .pollution-info .pollution-tag {
    font-size: .9rem;
    color: #666;
    font-weight: 600
}

.pollution-section .pollution-card .pollution-info .pollution-label {
    font-size: 1.05rem;
    margin-top: .3rem;
    font-weight: 500
}

.pollution-section .pollution-summary h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #333
}

.pollution-section .pollution-summary ul {
    padding-left: 1.2rem;
    margin-bottom: 1.5rem
}

.pollution-section .pollution-summary ul li {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: .6rem
}

.pollution-section .pollution-summary .pollution-note {
    font-size: 1rem;
    line-height: 1.8;
    color: #444
}

@media(max-width: 768px) {
    .pollution-section {
        width: 92vw;
        padding: 3rem 1.5rem
    }

    .pollution-section .pollution-header .pollution-title {
        font-size: 1.8rem
    }
}



.pollution-grid {
    column-count: 3;
    column-gap: 1.5rem;
}

.pollution-card {
    break-inside: avoid;
    margin-bottom: 1.5rem;
}
.pollution-card {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    transition: transform .25s ease, box-shadow .25s ease;
}

.pollution-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.15);
}

.pollution-card img {
    transition: transform .35s ease;
}

.pollution-card:hover img {
    transform: scale(1.06);
}

.pollution-info {
    background: rgba(255,255,255,0.88);
    backdrop-filter: blur(6px);
    transition: background .3s ease;
}

.pollution-card:hover .pollution-info {
    background: rgba(255,255,255,0.96);
}