/* 案例详情页：静态可读，复用官网深蓝、浅灰、香槟金体系。 */
:root{--ink:#0f172a;--muted:#475569;--line:#e2e8f0;--gold:#e2b857;--dark:#111827}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f8fafc;color:var(--ink);font-family:"Noto Sans SC",-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8}a{color:inherit;text-underline-offset:4px}a:focus-visible{outline:3px solid #b58a28;outline-offset:5px}.wrap{width:min(1120px,calc(100% - 48px));margin:auto}.header{background:var(--dark);color:#fff}.nav{display:flex;align-items:center;gap:28px;min-height:80px}.nav>a:first-child{margin-right:auto}.nav img{display:block;max-width:100%;object-fit:contain}.nav a{text-decoration:none}.cta{display:inline-flex;align-items:center;justify-content:center;padding:11px 20px;border-radius:10px;background:var(--gold);color:var(--dark);font-weight:700;text-decoration:none;transition:background .2s}.cta:hover{background:#cfa747}.breadcrumbs{display:flex;gap:12px;flex-wrap:wrap;padding-top:32px;font-size:14px;color:var(--muted)}.intro{max-width:880px;padding:48px 0 32px}.tag{display:inline-block;background:#fdf6e3;color:#765816;padding:5px 13px;border-radius:30px;font-size:13px;font-weight:600}h1{font-size:clamp(28px,3.7vw,44px);line-height:1.45;letter-spacing:-.025em;margin:22px 0}h2{font-size:24px;line-height:1.5;margin:0 0 16px}.lead{font-size:18px;color:var(--muted)}.byline{font-size:14px;color:#64748b}.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding:28px;border:1px solid var(--line);border-radius:18px;background:white;margin:0 0 48px}.facts dt{font-size:13px;color:var(--muted)}.facts dd{margin:8px 0 0;font-weight:600;overflow-wrap:anywhere}.reading{max-width:800px;margin:auto}.reading section{margin-bottom:38px}.reading p{color:var(--muted);font-size:17px;line-height:1.95}.source{padding:28px;background:#fff;border:1px solid var(--line);border-radius:18px}.diagnosis{margin:56px 0;padding:36px;border-radius:20px;background:var(--dark);color:#fff}.diagnosis p{color:#cbd5e1}.text-link{display:inline-block;margin:14px 0;font-weight:600}.diagnosis .text-link{margin-left:24px}.tiles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-bottom:40px}.tile{padding:28px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 4px 18px rgba(15,23,42,.04)}.tile h2{font-size:21px;margin-top:18px}.tile h2 a{text-decoration:none}.tile h2 a:hover{text-decoration:underline}.tile p{color:var(--muted);font-size:15px}.category-nav{display:flex;gap:20px;margin:24px 0}.footer{border-top:1px solid var(--line);padding:28px 0;display:flex;gap:16px;justify-content:space-between;font-size:13px;color:var(--muted)}section[id]{scroll-margin-top:24px}
@media(max-width:700px){.wrap{width:calc(100% - 32px)}.nav{gap:14px;min-height:72px}.nav img{width:128px;height:30px}.nav>a:nth-child(2){display:none}.nav .cta{font-size:14px;padding:9px 14px}.intro{padding:28px 0 20px}.lead{font-size:16px}.facts{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;padding:20px;margin-bottom:32px}.tiles{grid-template-columns:1fr;gap:18px}.tile,.source{padding:22px}.diagnosis{padding:24px;margin:36px 0}.diagnosis .text-link{display:block;margin:16px 0 0}.reading p{font-size:16px}.footer{flex-direction:column}h2{font-size:22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}