:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#18211d;--muted:#667069;--subtle:#8b948c;--line:#dce1d8;--panel:#fff;--wash:#f5f7f1;--wash-2:#fbfcf7;--copper:#b9682c;--teal:#117c74;--berry:#88385a;--gold:#b28b1e;--blue:#365d91;--shadow:0 18px 45px #1f272214}*{box-sizing:border-box}body{color:var(--ink);background:var(--wash);margin:0;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif;line-height:1.55}button,input,select{font:inherit}button{cursor:pointer}a{color:inherit}.site-header{z-index:20;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#fbfcf7eb;position:sticky;top:0}.nav{justify-content:space-between;align-items:center;gap:18px;max-width:1240px;margin:0 auto;padding:14px clamp(18px,4vw,56px);display:flex}.brand-link,.nav-actions,.nav-actions a,.primary,.secondary,.card-link,.text-button{align-items:center;gap:8px;display:inline-flex}.brand-link{color:var(--ink);background:0 0;border:0;padding:4px 0;font-size:16px;font-weight:850}.nav-actions{gap:10px}.nav-actions button,.nav-actions a,.secondary,.text-button{border:1px solid var(--line);min-height:36px;color:var(--ink);background:#fff;border-radius:7px;padding:7px 11px;font-size:13px;text-decoration:none}main{max-width:1240px;margin:0 auto;padding:28px clamp(18px,4vw,56px) 64px}.hero{grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);align-items:stretch;gap:22px;min-height:460px;display:grid}.hero>div:first-child,.hero-panel,.page-title,.report-hero,.filter-panel,.section-band,.panel,.empty{border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow);border-radius:8px}.hero>div:first-child{flex-direction:column;justify-content:center;padding:clamp(28px,5vw,56px);display:flex}.eyebrow{color:var(--teal);margin:0 0 12px;font-size:13px;font-weight:800}h1,h2,h3,p{margin-top:0}h1{letter-spacing:0;margin-bottom:18px;font-size:clamp(34px,5.2vw,66px);line-height:1.02}h2{margin-bottom:8px;font-size:22px;line-height:1.18}h3{font-size:17px;line-height:1.25}.hero-copy,.page-title p,.report-heading p,.panel-head p,.arch-item p,.driver-card p,.source-card p,.report-card p,.empty p{color:var(--muted)}.hero-copy{max-width:780px;margin-bottom:26px;font-size:18px}.hero-actions{flex-wrap:wrap;gap:10px;display:flex}.primary{background:var(--ink);color:#fff;border:0;border-radius:7px;min-height:42px;padding:10px 14px}.hero-panel{padding:18px}.panel-title{color:var(--muted);align-items:center;gap:8px;margin-bottom:14px;font-size:13px;font-weight:800;display:flex}.stats-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:18px;display:grid}.stat-card,.kpi-card{border:1px solid var(--line);background:var(--wash-2);border-radius:8px;padding:16px}.stat-card strong,.kpi-card strong{margin-bottom:7px;font-size:32px;line-height:1;display:block}.stat-card span,.kpi-card span,.kpi-card small,.metric-strip,.card-meta{color:var(--muted);font-size:13px}.section-band{margin-top:18px;padding:20px}.section-head{justify-content:space-between;gap:16px;margin-bottom:14px;display:flex}.architecture,.driver-grid,.source-grid,.report-grid{gap:14px;display:grid}.architecture{grid-template-columns:repeat(4,minmax(0,1fr))}.arch-item,.driver-card{border:1px solid var(--line);background:var(--wash-2);border-radius:8px;padding:16px}.arch-icon{color:var(--teal);margin-bottom:10px;display:inline-flex}.page-title,.report-hero{margin-bottom:18px;padding:26px}.page-title h1,.report-heading h1{font-size:clamp(32px,4.4vw,56px)}.filter-panel{margin-bottom:18px;padding:16px}.search-box{border:1px solid var(--line);background:#fff;border-radius:8px;align-items:center;gap:10px;min-height:46px;margin-bottom:12px;padding:0 12px;display:flex}.search-box input{border:0;outline:0;width:100%;min-width:0}.filters-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;display:grid}.select-field{color:var(--muted);gap:5px;font-size:13px;display:grid}.select-field span{align-items:center;gap:5px;display:inline-flex}.select-field select{border:1px solid var(--line);width:100%;min-height:38px;color:var(--ink);background:#fff;border-radius:7px;padding:7px 9px}.filter-footer{color:var(--muted);justify-content:space-between;align-items:center;gap:12px;margin-top:12px;font-size:13px;display:flex}.filter-footer span{align-items:center;gap:6px;display:inline-flex}.filter-footer button{border:1px solid var(--line);background:#fff;border-radius:7px;min-height:34px;padding:6px 10px}.report-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.report-card{border:1px solid var(--line);background:var(--panel);border-radius:8px;flex-direction:column;gap:10px;min-height:290px;padding:16px;display:flex}.report-card.compact{min-height:0}.card-meta,.metric-strip,.tag-row{flex-wrap:wrap;gap:8px;display:flex}.card-meta,.metric-strip{justify-content:space-between}.report-card h3{margin-bottom:0}.report-card p{margin-bottom:2px}.pill{border:1px solid var(--line);min-height:24px;color:var(--muted);background:#fff;border-radius:999px;align-items:center;padding:3px 8px;font-size:12px;display:inline-flex}.card-link{color:#fff;background:#17201c;border:0;border-radius:7px;justify-content:space-between;min-height:38px;margin-top:auto;padding:8px 10px}.report-heading{grid-template-columns:minmax(0,1fr) 280px;align-items:start;gap:18px;margin-top:18px;display:grid}.report-meta-card{border:1px solid var(--line);background:var(--wash-2);color:var(--muted);border-radius:8px;gap:8px;padding:14px;font-size:13px;display:grid}.kpi-row{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:18px;display:grid}.content-grid{grid-template-columns:minmax(0,1.5fr) minmax(300px,.5fr);align-items:stretch;gap:18px;display:grid}.panel{padding:18px}.panel.wide{min-width:0}.panel-head{margin-bottom:12px}.summary-list{color:var(--muted);margin:0;padding-left:20px}.summary-list li{margin-bottom:10px}.chart-shell{border:1px solid var(--line);background:#fff;border-radius:8px;min-height:420px;position:relative;overflow:hidden}.chart-shell svg{width:100%;height:auto;display:block}.segmented{z-index:2;border:1px solid var(--line);background:#ffffffe6;border-radius:8px;gap:4px;padding:4px;display:inline-flex;position:absolute;top:12px;right:12px}.segmented button{min-height:30px;color:var(--muted);background:0 0;border:0;border-radius:6px;padding:5px 9px;font-size:12px}.segmented button[aria-pressed=true]{background:var(--ink);color:#fff}.grid-line{stroke:var(--line);stroke-width:1px}.axis-label{fill:var(--muted);font-size:12px}.range-band{fill:#b9682c29}.price-line{fill:none;stroke:var(--copper);stroke-width:4px;stroke-linecap:round;stroke-linejoin:round}.copper-line{fill:none;stroke:var(--blue);stroke-width:3px;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:8 7}.price-dot{fill:var(--copper);stroke:#fff;stroke-width:2px}.chart-legend{color:var(--muted);flex-wrap:wrap;gap:14px;padding:0 14px 14px;font-size:12px;display:flex}.chart-legend span{align-items:center;gap:6px;display:inline-flex}.chart-legend i{border-radius:8px;width:18px;height:4px;display:inline-block}.legend-price{background:var(--copper)}.legend-range{background:#b9682c38}.legend-copper{background:var(--blue)}.chart-tooltip{color:#fff;background:#18211df0;border-radius:8px;gap:3px;max-width:360px;padding:12px;font-size:12px;display:grid;position:absolute;bottom:42px;left:14px}.chart-tooltip p{color:#ffffffbf;margin:3px 0 0}.driver-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.driver-card{border-top:4px solid var(--teal)}.driver-card:nth-child(2){border-top-color:var(--copper)}.driver-card:nth-child(3){border-top-color:var(--berry)}.driver-card:nth-child(4){border-top-color:var(--gold)}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13px}th,td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:11px 9px}th{color:var(--muted);background:var(--wash-2)}.method-layout{grid-template-columns:.95fr 1.05fr;gap:16px;display:grid}.method-layout p{color:var(--muted)}.method-layout pre{white-space:pre-wrap;color:#eef7f0;background:#18211d;border-radius:8px;margin:0;padding:14px;font-size:12px;line-height:1.6;overflow-x:auto}.source-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.source-card{border:1px solid var(--line);background:var(--wash-2);border-radius:8px;gap:6px;padding:14px;text-decoration:none;display:grid}.source-card span{color:var(--teal);align-items:center;gap:6px;font-size:13px;display:inline-flex}.empty{text-align:center;grid-column:1/-1;padding:28px}.skeleton{gap:12px;padding:18px;display:grid}.skeleton span{background:linear-gradient(90deg,#eef1ea,#f9faf6,#eef1ea);border-radius:8px;min-height:28px}@media (width<=980px){.hero,.content-grid,.report-heading,.method-layout{grid-template-columns:1fr}.architecture,.driver-grid,.filters-grid,.kpi-row,.stats-grid,.report-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=620px){.nav,.nav-actions,.filter-footer{flex-direction:column;align-items:stretch}.hero>div:first-child,.page-title,.report-hero{padding:20px}.architecture,.driver-grid,.filters-grid,.kpi-row,.stats-grid,.report-grid,.source-grid{grid-template-columns:1fr}.chart-shell{min-height:330px}.segmented{margin:10px;position:static}}