.stat {
    cursor: pointer;
    transition: transform .25s ease, box-shadow .25s ease;
}

    .stat:hover {
        transform: translateY(-2px);
        box-shadow: 0 10px 24px rgba(0,0,0,.18);
    }

    .stat .num {
        position: relative;
    }

        .stat .num::after {
            /*content: "點我查看憑證"; View Certificate*/
            content: "View Certificate";
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: -0.8rem;
            font-size: .85rem;
            color: #6c4b00;
            opacity: .85;
        }

/* SweetAlert2 客製化外觀 */
            .swal2-popup.cert-modal {
    width: min(1080px,96vw) !important;
    background: radial-gradient(1000px 600px at 10% -10%, rgba(255,219,130,.55), transparent), radial-gradient(800px 500px at 110% 10%, rgba(255,237,180,.45), transparent), #111;
    border-radius: 18px !important;
    color: #eee;
}

.cert-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    margin-bottom: .75rem;
}

.cert-title {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: .5px;
    display: flex;
    align-items: center;
    gap: .5rem;
}

.cert-search {
    flex: 1;
    max-width: 360px;
}

.cert-nav {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-bottom: .75rem;
}

    .cert-nav .btn {
        border-radius: 999px;
        padding: .45rem .9rem;
        font-weight: 600;
        background: rgba(255,255,255,.06);
        color: #fff;
        border: 1px solid rgba(255,255,255,.15);
        backdrop-filter: blur(6px);
    }

        .cert-nav .btn.active {
            background: #ffc107;
            color: #212529;
            border-color: #ffc107;
        }

.cert-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0,1fr));
    gap: 12px;
    max-height: 56vh;
    overflow: auto;
    padding-right: 4px;
}

@media (max-width: 992px) {
    .cert-grid {
        grid-template-columns: repeat(2,1fr);
    }
}

@media (max-width: 560px) {
    .cert-grid {
        grid-template-columns: 1fr;
    }
}

.cert-card {
    background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 16px;
    padding: 14px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
    transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

    .cert-card:hover {
        transform: translateY(-2px);
        box-shadow: 0 10px 20px rgba(0,0,0,.24);
        border-color: rgba(255,255,255,.25);
    }

.cert-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: rgba(255,255,255,.08);
    flex: 0 0 auto;
    font-size: 1.15rem;
}

.cert-body {
    flex: 1;
    min-width: 0;
}

.cert-title-sm {
    font-weight: 700;
    color: #fff;
    margin: 2px 0 6px;
    line-height: 1.25;
}

.cert-meta {
    font-size: .85rem;
    color: #d6d6d6;
}

.cert-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.btn-glass {
    --b: rgba(255,255,255,.15);
    background: rgba(255,255,255,.06);
    border: 1px solid var(--b);
    color: #fff;
    border-radius: 12px;
    padding: .4rem .7rem;
    font-weight: 600;
}

    .btn-glass:hover {
        background: rgba(255,255,255,.12);
    }

.badge-year {
    background: #ffc107;
    color: #212529;
    border-radius: 999px;
    padding: .15rem .5rem;
    font-weight: 700;
}

/* 進場動畫 */
.swal2-show.cert-anim {
    animation: popIn .35s cubic-bezier(.2,.9,.35,1.2);
}

@keyframes popIn {
    from {
        transform: scale(.9);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}