.case-detail-page { padding: 76px 0 112px; background: #f7f8fb; }
.case-detail-article { width: min(1140px, calc(100% - 48px)); margin: 0 auto; }
.case-detail-heading { text-align: center; }
.case-detail-heading h1 { margin: 0 0 22px; color: #141a17; font-size: 32px; font-weight: 700; line-height: 1.42; }
.case-detail-heading p { margin: 0 auto 40px; color: #25ad48; font-size: 13px; line-height: 1.8; }
.case-detail-copy { color: #4c5550; font-size: 14px; line-height: 1.85; }
.case-detail-copy p { margin: 0 0 22px; }
.case-detail-copy h2 { margin: 34px 0 16px; color: #242b27; font-size: 18px; line-height: 1.5; }
.case-detail-copy ul { margin: -7px 0 25px; padding-left: 24px; }
.case-detail-copy li { margin: 7px 0; padding-left: 3px; }
.case-quote-image { display: block; width: 100%; height: auto; margin: 28px 0 35px; }
.case-detail-copy blockquote { margin: 28px 0; padding: 14px 20px; color: #59625d; border-left: 2px solid #26b64c; font-size: 14px; font-style: italic; line-height: 1.8; }
.case-detail-copy blockquote cite { display: block; margin-top: 8px; color: #4a514e; font-size: 12px; font-style: normal; }
.case-detail-closing { margin-top: 36px !important; color: #68736d; }
.case-detail-closing a { color: #22ae45; text-decoration: none; }
.related-cases { width: min(1140px, calc(100% - 48px)); margin: 100px auto 0 auto; }
.related-cases > h2 { margin: 0 0 24px; color: #222a26; font-size: 32px; text-align: center; }
.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(357px, 1fr));  /* 3列，每列固定宽357px */
    grid-auto-rows: 420px;                     /* 每行固定高420px */
    gap: 32px;                                 /* 行列间距都是32px */
}
.related-grid a { position: relative; display: block; min-height: 225px; padding: 16px; color: #2a312e; background: #fff;
    border: 1px solid #E1E2E54D; border-radius: 8px; box-shadow: 0 5px 14px rgba(28,48,38,.06); text-decoration: none; }
.related-grid img { display: block; width: 100%; aspect-ratio: 323/ 176; object-fit: cover; border-radius: 4px; }
.related-grid strong { display: block; padding: 60px 4px 100px; font-size: 18px; line-height: 24px; font-weight: 500;}
.related-arrow { position: absolute; right: 20px; bottom: 30px; display: inline-flex;
    width: 48px; height: 48px; align-items: center;
    justify-content: center; color: #fff; background: #050907; border-radius: 12px; font-size: 18px; line-height: 1; }
.case-detail-page + .cases-footer { margin-top: 0; }
@media (max-width: 720px) {
    .case-detail-page { padding: 48px 0 70px; }
    .case-detail-heading h1 { font-size: 25px; }
    .case-detail-heading p { font-size: 12px; } .case-detail-copy { font-size: 13px; }
    .related-grid { grid-template-columns: 1fr; gap: 18px; grid-auto-rows: 360px;   }
    .related-grid a { min-height: 0; padding-bottom: 44px; }
    .related-cases > h2 { font-size: 21px; }
    .related-grid strong{
        padding: 30px 4px 50px;
    }
}