/* 案例页：故事卡 + 详情长文 */
:root{--acc:#A9612C;--acc-deep:#7C3F16}

.case-filter{display:flex;gap:8px;flex-wrap:wrap;margin:26px 0 30px}
.case-filter a{padding:8px 18px;border:1px solid var(--line-2);font-size:12.8px;color:var(--ink-2);background:var(--paper)}
.case-filter a.is-on,.case-filter a:hover{background:var(--green);border-color:var(--green);color:#F6EEDD}

.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case-card{background:var(--paper);border:1px solid var(--line);display:flex;flex-direction:column;transition:.4s;position:relative}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-m)}
.case-card .cc-img{height:210px;overflow:hidden;position:relative}
.case-card .cc-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.case-card:hover .cc-img img{transform:scale(1.05)}
.case-card .cc-img .cc-badge{position:absolute;left:14px;top:14px;background:rgba(27,49,40,.86);color:#F2E5CE;font-size:11px;letter-spacing:.1em;padding:4px 10px}
.case-card .cc-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.case-card .cc-meta{font-size:11.5px;color:var(--ink-3);letter-spacing:.06em}
.case-card h3{font-size:17.5px;line-height:1.5}
.case-card p{font-size:13.2px;line-height:1.8;color:var(--ink-3);margin:0}
.case-card .cc-quote{font-family:var(--serif);font-size:13.5px;color:var(--acc-deep);border-left:2px solid var(--brass);padding-left:10px;line-height:1.7}
.case-card .cc-link{margin-top:auto;font-size:12.5px;color:var(--acc-deep);font-weight:600;padding-top:8px;border-top:1px dashed var(--line)}
@media (max-width:900px){.case-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.case-grid{grid-template-columns:1fr}}

.case-story{padding:clamp(44px,5vw,72px) 0}
.case-story .cs-cover{position:relative;border:1px solid var(--line-2);margin-bottom:30px}
.case-story .cs-cover img{width:100%;height:min(46vw,430px);object-fit:cover}
.case-story .cs-cover .csc-label{position:absolute;left:0;bottom:0;background:rgba(27,49,40,.9);color:#F2E5CE;padding:12px 20px;font-size:12px;letter-spacing:.08em}
.case-story .cs-lead{font-size:15.5px;line-height:2;color:var(--ink-2)}
.case-story .cs-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start;margin-top:30px}
.case-story .cs-facts{background:var(--paper);border:1px solid var(--line);border-top:3px solid var(--brass);padding:24px}
.case-story .cs-facts h4{font-size:12px;letter-spacing:.16em;color:var(--ink-3);font-family:var(--sans)}
.case-story .cs-facts div{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px dashed var(--line);font-size:13px}
.case-story .cs-facts div:last-child{border-bottom:0}
.case-story .cs-facts b{color:var(--ink);font-weight:600}
.case-story .cs-body p{font-size:15px;line-height:2.02;margin-bottom:12px}
.case-story .cs-body h2{font-size:22px;margin:26px 0 10px;padding-left:12px;border-left:3px solid var(--caramel)}
.case-story .cs-quote{background:var(--green);color:#F2E5CE;padding:26px 30px;margin:26px 0;font-family:var(--serif);font-size:18px;line-height:1.8;position:relative;overflow:hidden}
.case-story .cs-quote::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,rgba(255,255,255,.04) 0 18px,transparent 18px 44px)}
.case-story .cs-quote span{position:relative;z-index:2}
@media (max-width:900px){.case-story .cs-grid{grid-template-columns:1fr}}