/* ============================================================
   Certificates 证书轮播 —— 与 factories.html 源码样式一致
   ============================================================ */

.qing-cert {
    --blue: #1b3df5;
    --navy: #0b1a3a;
    --border: #e4e8f0;
    font-family: "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
}

.qing-cert *,
.qing-cert *::before,
.qing-cert *::after { box-sizing: border-box; }

.qing-cert .cert-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 22px;
}

.qing-cert .cert-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
}
.qing-cert .cert-head h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--navy);
    margin: 0;
}
.qing-cert .cert-all {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--blue);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
}
.qing-cert .cert-all svg { width: 13px; height: 13px; }
.qing-cert .cert-all i { font-size: 12px; }

.qing-cert .cert-carousel { overflow: hidden; }
.qing-cert .cert-track {
    display: flex;
    transition: transform .35s ease;
}
.qing-cert .cert-page {
    flex: 0 0 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}
.qing-cert .cert-item { text-align: center; }
.qing-cert .cert-thumb {
    width: 100%;
    aspect-ratio: 3 / 4;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: linear-gradient(160deg, #fdfdff, #eef1f8);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #c2cbe0;
    overflow: hidden;
}
.qing-cert .cert-thumb svg { width: 26px; height: 26px; }
.qing-cert .cert-thumb i { font-size: 24px; }
.qing-cert .cert-thumb img { width: 100%; height: 100%; object-fit: cover; }
.qing-cert .cert-item span {
    font-size: 11px;
    color: #3a4762;
    font-weight: 500;
}

.qing-cert .cert-dots {
    display: flex;
    justify-content: center;
    gap: 7px;
    margin-top: 16px;
}
.qing-cert .cert-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #cdd5e6;
    border: none;
    cursor: pointer;
    padding: 0;
    transition: background .2s ease;
}
.qing-cert .cert-dot.active { background: var(--blue); }