/* 应用案例详情页业务样式。 */

.case-detail-page {
    padding: 32px 0 64px;
    background: #f7f7f7;
    color: #25282d;
}

.case-detail-shell {
    width: calc(100% - 48px);
    max-width: 1200px;
    margin-right: auto;
    margin-left: auto;
}

.case-detail-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
    color: #7b8189;
    font-size: 14px;
}

.case-detail-breadcrumb a {
    color: #555c65;
}

.case-detail-breadcrumb a:hover {
    color: #d71920;
}

.case-detail-article,
.case-related,
.case-detail-empty {
    border: 1px solid #e5e7ea;
    border-radius: 6px;
    background: #fff;
}

.case-detail-article {
    padding: 42px 48px 48px;
}

.case-detail-header {
    max-width: 900px;
    margin: 0 auto 30px;
    text-align: center;
}

.case-detail-eyebrow {
    display: block;
    margin-bottom: 10px;
    color: #d71920;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .12em;
}

.case-detail-header h1 {
    margin: 0;
    color: #20242a;
    font-size: clamp(30px, 4vw, 46px);
    line-height: 1.25;
}

.case-detail-meta {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 18px;
    color: #8a9098;
    font-size: 13px;
}

.case-detail-lead {
    margin: 22px 0 0;
    color: #626972;
    font-size: 17px;
    line-height: 1.8;
}

.case-detail-cover {
    max-width: 960px;
    margin: 0 auto 34px;
    overflow: hidden;
    border-radius: 5px;
    background: #eceef1;
}

.case-detail-cover img {
    display: block;
    width: 100%;
    height: auto;
}

.case-detail-content {
    max-width: 900px;
    margin: 0 auto;
    color: #363b42;
    font-size: 17px;
    line-height: 1.9;
    overflow-wrap: anywhere;
}

.case-detail-content img {
    max-width: 100%;
    height: auto;
}

.case-detail-content table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
}

.case-detail-keywords {
    max-width: 900px;
    margin: 34px auto 0;
    padding-top: 20px;
    border-top: 1px solid #eceef0;
    color: #747b84;
}

.case-related {
    margin-top: 28px;
    padding: 30px;
}

.case-related header {
    margin-bottom: 22px;
}

.case-related h2 {
    margin: 0;
    font-size: 26px;
}

.case-related-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.case-related-card {
    overflow: hidden;
    border: 1px solid #e5e7ea;
    border-radius: 5px;
    background: #fff;
}

.case-related-card__image {
    display: block;
    width: 250px;
    max-width: 100%;
    height: 150px;
    margin-right: auto;
    margin-left: auto;
    overflow: hidden;
    background: #eceef1;
}

.case-related-card__image img {
    display: block;
    width: 250px;
    max-width: 100%;
    height: 150px;
    object-fit: cover;
}

.case-related-card > div {
    padding: 16px;
}

.case-related-card h3 {
    margin: 0 0 8px;
    font-size: 18px;
}

.case-related-card h3 a {
    color: #25282d;
}

.case-related-card h3 a:hover {
    color: #d71920;
}

.case-related-card p {
    margin: 0;
    color: #6e747d;
    line-height: 1.7;
}

.case-detail-back {
    margin-top: 24px;
    text-align: center;
}

.case-detail-back a,
.case-detail-empty a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0 22px;
    border-radius: 4px;
    background: #d71920;
    color: #fff;
    font-weight: 700;
}

.case-detail-empty {
    padding: 80px 24px;
    text-align: center;
}

.case-detail-empty h1 {
    margin: 0 0 12px;
}

.case-detail-empty p {
    margin: 0 0 24px;
    color: #747b84;
}

@media (max-width: 900px) {
    .case-detail-article {
        padding: 32px 28px 38px;
    }

    .case-related-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .case-detail-page {
        padding-top: 20px;
    }

    .case-detail-shell {
        width: calc(100% - 32px);
    }

    .case-detail-article,
    .case-related {
        padding: 24px 18px 30px;
    }

    .case-detail-meta {
        flex-direction: column;
        gap: 5px;
    }

    .case-related-grid {
        grid-template-columns: 1fr;
    }
}