:root{--ink: #eaeff5;--slate: #ffffff;--slate-2: #f7f9fc;--slate-3: #edf1f7;--mist: #dde4ee;--mist-2: #c5cfde;--cyan: #2563eb;--cyan-2: #1d4ed8;--cyan-dim: rgba(37, 99, 235, .1);--moss: #059669;--moss-dim: rgba(5, 150, 105, .1);--moss-ink: #047857;--vermilion: #e11d48;--vermilion-dim: rgba(225, 29, 72, .1);--amber: #d97706;--amber-dim: rgba(217, 119, 6, .1);--amber-ink: #a1580a;--rice: #111827;--rice-2: #1f2937;--fog: #4b5563;--fog-2: #5f6975;--fog-3: #7c8698;--glow: rgba(37, 99, 235, .3);--glow-soft: rgba(37, 99, 235, .14);--glass-bg: rgba(255, 255, 255, .72);--glass-bg-strong: rgba(255, 255, 255, .86);--glass-border: rgba(255, 255, 255, .9);--glass-blur: blur(20px) saturate(180%);--font-sans: "Inter", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;--font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif;--font-mono: "JetBrains Mono", "Cascadia Mono", "SFMono-Regular", 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var(--nav-h))}.t-display{font-size:var(--fs-display);line-height:1.14;font-weight:600;letter-spacing:-.02em;color:var(--rice)}.t-h1{font-size:var(--fs-h1);line-height:1.24;font-weight:600;letter-spacing:-.01em;color:var(--rice)}.t-h2{font-size:var(--fs-h2);line-height:1.3;font-weight:600;color:var(--rice)}.t-h3{font-size:var(--fs-h3);line-height:1.45;font-weight:600;color:var(--rice)}.t-body{font-size:var(--fs-body);line-height:1.75;color:var(--rice-2)}.t-cap{font-size:var(--fs-cap);line-height:1.6;color:var(--fog)}.t-lead{font-size:1.0625rem;line-height:1.8;color:var(--fog)}.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}.micro{font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.16em;text-transform:uppercase;color:var(--fog);font-weight:500}.micro-bright{color:var(--cyan)}.sec-label{display:flex;align-items:center;gap:12px;font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.16em;text-transform:uppercase;color:var(--fog);margin-bottom:var(--sp-4)}.sec-label:before{content:"";width:22px;height:1px;background:var(--cyan);flex:none;opacity:.8}.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-5);margin-bottom:var(--sp-5)}.rule{height:1px;background:var(--mist);border:0;width:100%}.rule-fade{height:1px;background:linear-gradient(90deg,var(--mist),transparent);border:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 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