.symbols-section{background:white;border-radius:24px;padding:26px;margin:22px 0;box-shadow:0 9px 20px #07549a18}.symbol-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.symbol-card{border:2px solid #d5e8ed;border-radius:18px;padding:18px;background:#f5fbfc;display:flex;flex-direction:column;min-width:0}.symbol-card h3{font-size:1.2rem;margin:0 0 14px;overflow-wrap:anywhere}.symbol-card p{flex:1}.symbol-visuals{display:grid;grid-template-columns:1fr 1fr;gap:8px;align-items:center}.symbol-visuals>div{text-align:center}.symbol-object{display:block;font-size:3.2rem;line-height:1.7}.symbol-visuals small{display:block;font-size:.8rem;overflow-wrap:anywhere}.symbol-visuals button{padding:8px;border:2px solid #aec9d8;border-radius:14px;min-width:0}.symbol-visuals svg{display:block;width:100%;height:85px}.symbol-visuals svg text{fill:#15354b;stroke:none;font:18px Arial,sans-serif}.listen{font-size:.95rem}.symbols-safety{background:#fff1b5;border-left:5px solid #d39805;padding:18px;border-radius:10px}#simple-circuit svg{display:block;width:100%;max-width:680px;margin:auto}#simple-circuit text{font:17px Arial,sans-serif;fill:#17324d}#simple-status{font-weight:bold;font-size:1.15rem;color:#07549a}.circuit-flow{animation:current-flow 1.4s linear infinite}@keyframes current-flow{to{stroke-dashoffset:-48}}@media(prefers-reduced-motion:reduce){.circuit-flow{animation:none}}@media(max-width:1000px){.symbol-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:480px){.symbol-grid{grid-template-columns:1fr}.symbols-section{padding:18px}}@media print{.top-nav,.languages,.listen,#simple-switch{display:none!important}.symbol-grid{grid-template-columns:repeat(2,1fr)}.symbol-card{break-inside:avoid}.symbols-section{box-shadow:none}.site-header{display:none}}

.symbol-object svg{width:100%;height:85px;display:block}.symbol-object svg text{font:25px Arial,sans-serif}

.symbol-card{min-width:0}.symbol-card h3,.symbol-card p{overflow-wrap:anywhere}.symbol-card h3{line-height:1.35}