/* 案例库页样式 —— 延续 style.css 的编辑风：1px 网格线、直角、等宽标签 */

.nav-links a.active{color:var(--ink);border-bottom:1px solid var(--ink);padding-bottom:2px}

/* 页头 */
.cases-hero{padding:92px 5vw 48px;border-bottom:1px solid var(--line)}
.cases-hero .kicker{margin:0}
.cases-hero h1{font:500 clamp(34px,4.6vw,62px)/1.04 'Instrument Sans','Noto Sans SC',sans-serif;letter-spacing:-.04em;margin:18px 0 20px;max-width:900px}
.cases-lede{font-size:14px;line-height:1.7;color:var(--muted);max-width:540px;margin:0}
.cases-stats{display:flex;gap:56px;margin:46px 0 0;padding:0}
.cases-stats dt{font:11px 'IBM Plex Mono',monospace;letter-spacing:.12em;text-transform:uppercase;color:#8a8880;margin:0 0 10px}
.cases-stats dd{font:500 30px/1 'Instrument Sans','Noto Sans SC',sans-serif;letter-spacing:-.03em;margin:0;color:var(--ink)}

/* 工具条：分类筛选 + 计数 */
.cases-body{padding:0 5vw 104px}
.cases-toolbar{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;padding:30px 0 22px}
.cases-filters{display:flex;gap:8px;flex-wrap:wrap}
.cases-filter{font:11px 'IBM Plex Mono',monospace;letter-spacing:.08em;text-transform:uppercase;padding:8px 13px;border:1px solid var(--line);background:none;color:var(--muted);cursor:pointer;transition:border-color .18s,color .18s,background .18s}
.cases-filter:hover{border-color:#b3ada0;color:var(--ink)}
.cases-filter[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#eceae4}
.cases-filter[aria-pressed="true"] .n{opacity:.6}
.cases-filter .n{margin-left:7px;opacity:.55}
.cases-showing{font:11px 'IBM Plex Mono',monospace;letter-spacing:.08em;color:#8a8880;margin:0;white-space:nowrap}

/* 项目介绍：左右分栏行式列表，左侧定位信息、右侧正文 */
.cases-list{border-top:1px solid var(--line)}
.case-row{display:grid;grid-template-columns:300px 1fr;gap:56px;padding:46px 0;border-bottom:1px solid var(--line)}
.case-top{display:flex;align-items:center;gap:12px;font:11px 'IBM Plex Mono',monospace;letter-spacing:.08em;color:#8a8880}
.case-flag{color:var(--ink);border:1px solid var(--line);padding:2px 7px;letter-spacing:.1em;text-transform:uppercase;font-size:10px}
.case-year{margin-left:auto}
.case-cat{font:11px 'IBM Plex Mono',monospace;text-transform:uppercase;letter-spacing:.12em;color:#7a7871;margin:24px 0 10px}
.case-name{font:500 23px/1.28 'Instrument Sans','Noto Sans SC',sans-serif;letter-spacing:-.03em;margin:0 0 10px}
.case-tagline{font-size:13px;line-height:1.6;color:var(--muted);margin:0}
.case-intro{font-size:14px;line-height:1.78;color:#4c4b46;margin:0 0 22px;max-width:780px}
.case-points{list-style:none;margin:0 0 24px;padding:0;display:grid;gap:9px;max-width:780px}
.case-points li{position:relative;padding-left:18px;font-size:13px;line-height:1.6;color:#5f5e58}
.case-points li::before{content:'';position:absolute;left:0;top:9px;width:9px;height:1px;background:var(--ink)}
.case-foot{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;padding-top:18px;border-top:1px solid var(--line)}
.case-tech{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0}
.case-tech li{font:10px 'IBM Plex Mono',monospace;letter-spacing:.04em;border:1px solid var(--line);padding:4px 8px;color:#6b6a64}
.case-links{display:flex;gap:18px;flex-wrap:wrap}
.case-links a{font:11px 'IBM Plex Mono',monospace;letter-spacing:.08em;text-transform:uppercase;border-bottom:1px solid currentColor;padding-bottom:2px;color:var(--ink)}
.case-links a:hover{color:#4a4945}

.cases-empty{padding:64px 0;text-align:center;font-size:13px;color:var(--muted);margin:0}

/* 分页 */
.cases-pager{display:flex;align-items:center;justify-content:center;gap:6px;padding:46px 0 0;flex-wrap:wrap}
.pager-btn{font:11px 'IBM Plex Mono',monospace;letter-spacing:.06em;min-width:38px;height:38px;padding:0 13px;border:1px solid var(--line);background:none;color:var(--muted);cursor:pointer;transition:border-color .18s,color .18s,background .18s}
.pager-btn:hover:not(:disabled){border-color:var(--ink);color:var(--ink)}
.pager-btn[aria-current="page"]{background:var(--ink);border-color:var(--ink);color:#eceae4}
.pager-btn:disabled{opacity:.32;cursor:not-allowed}
.pager-gap{padding:0 5px;color:#b3ada0;font:11px 'IBM Plex Mono',monospace}
.cases-pager:focus-visible,.pager-btn:focus-visible,.cases-filter:focus-visible{outline:2px solid var(--ink);outline-offset:2px}

@media(max-width:1000px){
  .case-row{grid-template-columns:240px 1fr;gap:36px;padding:40px 0}
  .cases-stats{gap:38px}
}
@media(max-width:620px){
  .cases-hero{padding:60px 5vw 34px}
  .cases-hero h1{font-size:34px}
  .cases-stats{gap:26px;flex-wrap:wrap;margin-top:34px}
  .cases-stats dd{font-size:24px}
  .cases-body{padding:0 5vw 76px}
  .cases-toolbar{flex-direction:column;align-items:flex-start;gap:18px;padding:24px 0 18px}
  .cases-showing{white-space:normal}
  .case-row{grid-template-columns:1fr;gap:22px;padding:34px 0}
  .case-cat{margin-top:20px}
  .case-name{font-size:21px}
  .case-foot{flex-direction:column;align-items:flex-start;gap:14px}
  .cases-pager{padding-top:34px;gap:5px}
  .pager-btn{min-width:34px;height:34px;padding:0 10px}
}