/* 案例中心 */
.case-page {
    --case-brand: #229093;
    --case-ink: #132d30;
    --case-muted: #465e61;
    --case-accent: #176e70;
    --case-line: #d5e6e6;
    color: var(--case-ink);
}
.case-page a:focus-visible { outline: 0.125rem solid var(--case-brand); outline-offset: 0.25rem; }
.case-page .case-hero {
    color: #fff;
    background: linear-gradient(90deg, #102729ef, #12383aa8), url("../picture/simitch-top-banner.webp") center / cover;
}
.case-page .case-hero-inner { padding: 1.625rem 0 clamp(3rem, 7vw, 6rem); }
.case-page .case-breadcrumb { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: clamp(2rem, 6vw, 5rem); color: #e0f2f2; }
.case-page .case-breadcrumb a { color: inherit; }
.case-page .case-kicker { margin-bottom: 0.75rem; color: #8cdddd; font-size: 0.8125rem; font-weight: 700; letter-spacing: .14em; }
.case-page .case-hero h1, .case-page .case-hero h2 { max-width: 65rem; margin: 0; color: inherit; font-size: clamp(2rem, 5vw, 4rem); line-height: 1.22; overflow-wrap: anywhere; }
.case-page .case-hero .date, .case-page .case-hero .case-lead { margin: 1rem 0 0; color: #e0f2f2; }
.case-page .case-list-section { padding: clamp(2rem, 6vw, 5rem) 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
.case-page .case-list-section .case-card {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: 0;
    border: 0.0625rem solid var(--case-line);
    background: #fff;
}
.case-page .case-card:hover { border-color: var(--case-brand); }
.case-page .case-list-section .case-card .card-img { width: 100%; aspect-ratio: 16 / 9; background: #f1f8f8; }
.case-page .case-card img { display: block; width: 100%; height: 100%; object-fit: cover; }
.case-page .case-list-section .case-card .box { display: flex; flex: 1; flex-direction: column; gap: 0.875rem; width: 100%; padding: 1.5rem 1.25rem; }
.case-page .case-list-section .case-card .title { height: auto; margin: 0; color: var(--case-ink); font-size: 1.25rem; line-height: 1.4; overflow-wrap: anywhere; }
.case-page .case-list-section .case-card .intro { height: auto; color: var(--case-muted); font-size: 1rem; line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;}
.case-page .case-list-section .case-card .date { margin-top: auto; color: var(--case-muted); font-size: 0.875rem; }
.case-page .case-list-section .case-card .btn { align-self: start; padding: 0; background: transparent; color: var(--case-accent); font-weight: 700; }
.case-page .case-card .box:hover .btn { text-decoration: underline; }
.case-page .case-empty { grid-column: 1 / -1; padding: 2rem; background: #f1f8f8; color: var(--case-muted); }
.case-page .case-section { display: grid; padding: clamp(2rem, 6vw, 5rem) 0; grid-template-columns: minmax(0, 3fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 4rem); }
.case-page .case-detail .content { padding: 0 0 2rem; line-height: 1.9; overflow-wrap: anywhere; overflow-x: auto; }
.case-page .case-detail .content img { max-width: 100%; height: auto; }
.case-page .case-detail .content .table-content { overflow-x: auto; }
.case-page .case-back { display: inline-block; margin-top: 1.5rem; color: var(--case-accent); font-weight: 700; }
.case-page .case-related { align-self: start; margin: 0; padding: 1.25rem; border-top: 0.1875rem solid var(--case-brand); background: #f1f8f8; }
.case-page .case-related .top-title { margin: 0 0 1rem; padding: 0; border: 0; color: var(--case-ink); font-size: 1.25rem; }
.case-page .case-related-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1rem; }
.case-page .case-related-grid .feature-card { display: block; background: #fff; }
.case-page .case-related-grid .feature-card img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: contain; }
.case-page .case-related-grid .feature-card .title { margin: 0; padding: 0.75rem; border: 0; color: var(--case-ink); }
.case-page .case-related-grid .feature-card:hover .title { color: var(--case-accent); }

@media (max-width: 48rem) {
    .case-page .case-section { grid-template-columns: minmax(0, 1fr); }
    .case-page .case-related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 34rem) {
    .case-page .case-list-section { grid-template-columns: minmax(0, 1fr); }
}

.case-page .case-detail .content table { width: 100%; border-collapse: collapse; margin-bottom: 1rem; }
.case-page .case-detail .content th,
.case-page .case-detail .content td { padding: 0.5rem; border: 0.0625rem solid var(--case-line); }
.case-page .case-card .date i { margin-right: 0.5rem; }
.case-page .case-related-grid .feature-card img { object-fit: cover; }