.layout-pulse {}
.pulse-shell { background:var(--theme-surface); }
.pulse-header { padding:20px 16px; border-bottom:2px solid var(--theme-primary); }
.pulse-ecg { height:32px; margin:0 0 12px; background:linear-gradient(90deg,transparent 0%,var(--theme-primary) 50%,transparent 100%); opacity:0.3; mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 20'%3E%3Cpath d='M0 10 H30 L35 2 L40 18 L45 10 H100' fill='none' stroke='white'/%3E%3C/svg%3E"); }
.pulse-footer { background:#e0f2fe; padding:20px 16px 40px; font-size:0.85rem; }

.pulse-main { width: min(var(--content-max-width), calc(100% - 32px)); margin: 0 auto; padding-bottom: 40px; }
.pulse-main a { color: var(--theme-primary); }
.pulse-intro { margin: 24px 0; }
.pulse-intro h2 { font-family: var(--font-display); margin: 0 0 8px; }
.pulse-about { margin-top: 32px; padding: 20px; border: 1px solid var(--border-color); background: var(--theme-card); }
.pulse-tag { margin: 8px 0 0; font-size: 0.85rem; color: var(--text-muted); }
.pulse-shell h1 a, .pulse-shell .brand-title a { text-decoration: none; color: inherit; }