:root{--ds-red:#941b1f;--ds-red-dark:#5e0f12;--ds-ink:#17202a;--ds-soft:#f5f2ee;--ds-gold:#b58734;--ds-blue:#173a5e;--ds-green:#1e6647;--ds-line:#d9d4ce}
.knowledge-page{background:#f8f7f4;color:var(--ds-ink)}
.knowledge-page main{min-height:70vh}
.knowledge-hero{background:linear-gradient(120deg,rgba(24,29,36,.95),rgba(94,15,18,.92));color:#fff;padding:clamp(3rem,7vw,6rem) 1.2rem;overflow:hidden}
.knowledge-shell{width:min(1180px,calc(100% - 2rem));margin:auto}
.knowledge-hero__grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(260px,.75fr);gap:clamp(1.5rem,4vw,4rem);align-items:center}
.knowledge-kicker{font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#f2c878;font-size:.83rem}
.knowledge-hero h1{font-size:clamp(2.25rem,5vw,4.9rem);line-height:1.03;margin:.35rem 0 1rem;max-width:15ch}
.knowledge-lead{font-size:clamp(1.08rem,2vw,1.35rem);line-height:1.65;max-width:760px}
.knowledge-hero figure{margin:0;position:relative}.knowledge-hero figure:after{content:"";position:absolute;inset:10% -10% -10% 15%;border:1px solid rgba(255,255,255,.3);border-radius:30px;transform:rotate(4deg)}
.knowledge-hero img{position:relative;z-index:1;width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:28px;box-shadow:0 28px 70px rgba(0,0,0,.38)}
.knowledge-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.5rem}.knowledge-actions a{display:inline-flex;align-items:center;justify-content:center;padding:.85rem 1.15rem;border-radius:999px;background:#fff;color:#561014;text-decoration:none;font-weight:800}.knowledge-actions a.secondary{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5)}
.knowledge-main{padding:2.2rem 0 5rem}.knowledge-toc{background:#fff;border:1px solid var(--ds-line);border-radius:18px;padding:1.25rem 1.4rem;box-shadow:0 10px 30px rgba(25,25,25,.05);margin-bottom:1.5rem}.knowledge-toc strong{display:block;margin-bottom:.65rem}.knowledge-toc ol{columns:2;gap:2rem;margin:.4rem 0;padding-left:1.2rem}.knowledge-toc a{color:var(--ds-blue)}
.knowledge-section{background:#fff;border:1px solid var(--ds-line);border-radius:22px;padding:clamp(1.35rem,3vw,2.4rem);margin:1.25rem 0;box-shadow:0 12px 35px rgba(35,25,20,.045)}
.knowledge-section h2{font-size:clamp(1.55rem,3vw,2.35rem);line-height:1.15;color:#401012;margin:.1rem 0 1rem}.knowledge-section h3{font-size:1.25rem;color:#283749;margin-top:1.6rem}.knowledge-section p,.knowledge-section li{line-height:1.75}.knowledge-section a{color:#8b1519;text-underline-offset:3px}
.evidence-note{border-left:5px solid var(--ds-gold);background:#fff8e9;padding:1rem 1.2rem;border-radius:0 14px 14px 0;margin:1rem 0}.evidence-note strong{display:block;margin-bottom:.3rem}
.level-grid,.metric-grid,.query-grid,.resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.level-card,.metric-card,.query-card,.resource-card{border:1px solid var(--ds-line);border-radius:16px;padding:1.15rem;background:#fff}.level-card[data-level="fact"]{border-top:5px solid var(--ds-blue)}.level-card[data-level="analysis"]{border-top:5px solid var(--ds-gold)}.level-card[data-level="proposal"]{border-top:5px solid var(--ds-red)}.level-card h3,.metric-card h3,.query-card h3,.resource-card h3{margin:.1rem 0 .55rem}.level-label{font-size:.76rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.metric-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.metric-card{background:linear-gradient(145deg,#fff,#f6f3ef)}.metric-value{display:block;font-size:clamp(1.7rem,3vw,2.45rem);font-weight:900;color:var(--ds-red-dark);line-height:1.05}.metric-unit{display:block;font-size:.9rem;color:#5b6470;margin-top:.35rem}.metric-period{font-size:.78rem;color:#737b83}
.query-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.query-card{text-decoration:none;color:inherit;transition:.18s transform,.18s box-shadow}.query-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(30,30,30,.09)}
.data-table-wrap{overflow:auto;border:1px solid var(--ds-line);border-radius:14px}.data-table{width:100%;border-collapse:collapse;background:#fff;min-width:820px}.data-table th,.data-table td{padding:.8rem .85rem;border-bottom:1px solid #e9e5df;text-align:left;vertical-align:top}.data-table th{background:#2a3139;color:#fff;position:sticky;top:0}.data-table tr:nth-child(even) td{background:#faf8f5}.data-table small{display:block;color:#69727d;margin-top:.2rem}
.download-panel{display:flex;flex-wrap:wrap;gap:.75rem;padding:1rem;background:#eef3f8;border-radius:15px}.download-panel a{display:inline-flex;padding:.75rem 1rem;background:#173a5e;color:#fff;border-radius:10px;text-decoration:none;font-weight:800}
.timeline{position:relative;margin:1rem 0;padding-left:1.6rem}.timeline:before{content:"";position:absolute;left:.38rem;top:.4rem;bottom:.4rem;width:3px;background:linear-gradient(var(--ds-gold),var(--ds-red))}.timeline-entry{position:relative;padding:0 0 1.25rem 1rem}.timeline-entry:before{content:"";position:absolute;left:-1.5rem;top:.42rem;width:.78rem;height:.78rem;border-radius:50%;background:#fff;border:3px solid var(--ds-red)}.timeline-entry time{display:inline-block;font-weight:900;color:var(--ds-red-dark);margin-right:.4rem}.timeline-entry h3{display:inline;font-size:1.08rem}.timeline-entry p{margin:.35rem 0 0}
.source-list{font-size:.92rem}.source-list li{margin:.7rem 0;overflow-wrap:anywhere}.source-list a{font-weight:700}
.knowledge-visual{margin:1.25rem 0;text-align:center}.knowledge-visual img{max-width:100%;height:auto;border-radius:18px;border:1px solid var(--ds-line);background:#fff}
.portal-cta{background:linear-gradient(120deg,#631014,#a42a2e);color:#fff;border-radius:22px;padding:clamp(1.4rem,4vw,2.6rem);margin:1.4rem 0}.portal-cta h2{color:#fff}.portal-cta a{color:#fff;font-weight:900}
.status-badge{display:inline-flex;padding:.25rem .55rem;border-radius:999px;font-size:.75rem;font-weight:900;letter-spacing:.04em;text-transform:uppercase}.status-official{background:#e8f0fb;color:#173a5e}.status-author{background:#f8e7e8;color:#781316}.status-method{background:#fff2d7;color:#704f0f}
@media(max-width:860px){.knowledge-hero__grid{grid-template-columns:1fr}.knowledge-hero figure{max-width:480px}.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.level-grid,.resource-grid{grid-template-columns:1fr}.knowledge-toc ol{columns:1}}
@media(max-width:560px){.knowledge-shell{width:min(100% - 1rem,1180px)}.knowledge-hero{padding:2.4rem .5rem}.knowledge-section{border-radius:15px;padding:1.1rem}.metric-grid,.query-grid{grid-template-columns:1fr}.knowledge-actions a{width:100%}}