.case-section{padding-top:58px;padding-bottom:72px;border-top:1px solid var(--line)}
.case-study{border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden;margin-top:22px}
.case-top{display:grid;grid-template-columns:1fr 1fr;gap:42px;padding:32px 34px}
.case-top h3{font-size:27px;line-height:1.4;letter-spacing:-.7px;margin:17px 0 12px}
.case-top p{font-size:13px;line-height:1.9;color:var(--muted);margin:0}
.case-facts{display:grid;gap:16px;margin:0}
.case-facts dt{font-size:10px;letter-spacing:.8px;text-transform:uppercase;color:#52749c;font-weight:650}
.case-facts dd{margin:4px 0 0;font-size:13px;line-height:1.85;color:var(--ink)}
.case-pipeline{padding:25px 34px 28px;background:#f5f8fd;border-top:1px solid var(--line)}
.case-pipeline-title{font-size:10px;letter-spacing:1px;font-weight:650;color:#56749a;margin-bottom:17px;text-transform:uppercase}
.case-flow{display:grid;grid-template-columns:1fr auto 1.25fr auto 1fr;gap:14px;align-items:center}
.case-node{border:1px solid #d3dfef;background:white;border-radius:10px;padding:16px}
.case-node b{display:block;font-size:13px;line-height:1.5}
.case-node small{display:block;font-size:11px;line-height:1.75;color:var(--muted);margin-top:6px}
.case-node.claude-node{background:#eaf1ff;border-color:#afc6f4}
.case-parallel{display:grid;gap:10px}
.case-arrow{color:#7794ba;font-size:19px}
.case-note{font-size:11px;line-height:1.85;color:var(--muted);margin:17px 0 0}
.case-foot{padding:19px 34px;border-top:1px solid var(--line);font-size:12px;line-height:1.85;color:var(--muted)}
.case-foot strong{color:var(--ink);font-weight:600}
.case-study.planned .status{background:#fff4e5;color:#80551c}
.case-study.planned .case-pipeline{background:#fafbfd}
.case-study.planned .case-node{border-style:dashed}
.case-detail-label{font-size:10px;letter-spacing:1px;font-weight:650;color:#6882a2;text-transform:uppercase;margin:30px 0 12px}
.portfolio-map{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin:0 0 32px}
.portfolio-card{padding:19px;border:1px solid var(--line);border-radius:12px;background:#fff;min-height:186px;display:flex;flex-direction:column}
.portfolio-card .portfolio-type{font-size:9px;letter-spacing:.7px;color:#6882a2;font-weight:650;text-transform:uppercase}
.portfolio-card h3{font-size:17px;line-height:1.45;letter-spacing:-.35px;margin:13px 0 8px}
.portfolio-card p{font-size:12px;line-height:1.8;color:var(--muted);margin:0}
.portfolio-card .portfolio-role{margin-top:auto;padding-top:14px;font-size:10px;line-height:1.6;color:#42658d;border-top:1px solid #e8eef6}
.portfolio-card .portfolio-role b{font-weight:650;color:var(--ink)}
.portfolio-card.current{background:#f4f8ff;border-color:#c7d9f7}
.portfolio-card.planned{border-style:dashed;background:#fbfcfe}
.portfolio-legend{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin:-17px 0 25px;color:var(--muted);font-size:11px}
.portfolio-legend span{display:inline-flex;align-items:center;gap:6px}.portfolio-legend i{display:inline-block;width:7px;height:7px;border-radius:50%;background:#31895f}.portfolio-legend .build i{background:#7391b7}.portfolio-legend .plan i{background:#d6963c}
.portfolio-architecture{padding:25px 28px;border:1px solid var(--line);border-radius:14px;background:#f7faff;margin:22px 0 30px}.portfolio-architecture h3{font-size:17px;margin:0 0 12px}.portfolio-architecture p{font-size:13px;color:var(--muted);line-height:1.85;margin:0}.portfolio-architecture .architecture-steps{margin-bottom:0}
.case-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:22px 0}
.case-detail-grid article{padding:22px;border:1px solid var(--line);border-radius:12px;background:#f8faff}
.case-detail-grid h3{font-size:17px;line-height:1.55;margin:0 0 10px;letter-spacing:-.3px}
.case-detail-grid p{font-size:13px;margin:0}
.case-example{padding:24px;background:#112940;color:#ebf3ff;border-radius:12px;margin:24px 0}
.case-example h3{font-size:16px;margin:0 0 13px}
.case-example p{color:#b6cbe2;font-size:13px;margin:0 0 12px}
.case-example pre{font:12px/1.9 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere;margin:15px 0 0;color:#dbeaff}
.case-example .caption{color:#95aecb;font-size:11px;margin:15px 0 0}
.guide-section .case-facts dd{font-size:13px}
.guide-section .case-note{font-size:11px}
.guide-section code{font-size:12px;color:#385c8a;background:#edf3fc;border-radius:4px;padding:2px 5px}
@media(max-width:1000px){.case-top{gap:26px;padding:27px}.case-pipeline{padding:23px 27px}.case-flow{gap:10px}.case-node{padding:13px}.case-foot{padding:18px 27px}.portfolio-map{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.case-section{padding:42px 0}.case-top{grid-template-columns:1fr;gap:25px;padding:24px}.case-top h3{font-size:24px}.case-pipeline{padding:22px 24px}.case-flow{grid-template-columns:1fr;gap:10px}.case-arrow{text-align:center;transform:rotate(90deg)}.case-parallel{grid-template-columns:1fr 1fr}.case-foot{padding:18px 24px}.case-detail-grid{grid-template-columns:1fr}.case-example{padding:21px}.portfolio-map{grid-template-columns:1fr}.portfolio-card{min-height:0}.portfolio-architecture{padding:22px 20px}}