:root{--brand-blue-primary:#0066FF;--brand-blue-hover:#0052CC;--brand-blue-deep:#003D99;--brand-blue-dark:#002255;--brand-blue-light:#EEF5FF;--brand-blue-subtle:#F5F9FF;--brand-blue-glow:rgba(0,102,255,0.18);--brand-blue-glow-strong:rgba(0,102,255,0.35);--brand-cyan-accent:#00C2FF;--brand-cyan-light:#E0F9FF;--surface-bg:#FAFBFD;--surface-card:#FFFFFF;--surface-card-subtle:#F3F7FC;--surface-dark:#0A111E;--surface-dark-card:#111C2E;--surface-dark-border:#1C2D4A;--text-main:#0B132B;--text-body:#2B3A52;--text-muted:#556987;--text-on-dark:#F0F6FF;--text-on-dark-muted:#8EA4C8;--border-light:#E2E8F0;--border-focus:#0066FF;--border-card:rgba(0,102,255,0.14);--shadow-sm:0 2px 8px rgba(0,61,153,0.04);--shadow-md:0 8px 24px -4px rgba(0,61,153,0.08),0 4px 12px -2px rgba(0,0,0,0.04);--shadow-lg:0 20px 40px -10px rgba(0,61,153,0.14),0 8px 20px -4px rgba(0,0,0,0.06);--shadow-xl:0 30px 60px -15px 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rgba(0,102,255,.15)}.feature-title{font-size:21px;font-weight:700;color:var(--text-main);margin-bottom:10px;line-height:1.3}.feature-desc{font-size:15px;color:var(--text-body);line-height:1.6}.notice-card{background:linear-gradient(180deg,#F0F6FF,#FFFFFF);border:1px solid rgba(0,102,255,.25);border-left:6px solid var(--brand-blue-primary);border-radius:var(--radius-md);padding:24px;margin-top:32px;margin-bottom:32px}.notice-title{font-weight:700;color:var(--brand-blue-deep);font-size:16px;margin-bottom:8px;display:flex;align-items:center;gap:8px}.notice-text{font-size:14px;color:var(--text-body);line-height:1.6}.code-box{background:#0D1626;color:#DDE7F5;border-radius:var(--radius-sm);padding:16px 20px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:13px;line-height:1.6;overflow-x:auto;border:1px solid #1c2d4a}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .4s ease 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