.glass-card h3{font-family:'Poppins','Noto Sans TC',sans-serif;font-weight:600;font-size:1.3rem;margin-bottom:15px;display:flex;align-items:center;gap:10px}.glass-card h3 i{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.input-label{font-weight:500;color:#4a5568;margin-bottom:8px;display:block;font-size:.95rem}.form-input{width:100%;padding:10px 12px;border:2px solid #48bb78;border-radius:12px;font-size:1rem;font-family:'Roboto Mono',monospace;transition:all .3s ease;background:#f0fff4}.form-input:focus{outline:none;border-color:#38a169;box-shadow:0 0 0 4px rgba(72,187,120,.2);transform:translateY(-2px)}@keyframes fadeInDown{from{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}.bill-input-wrapper{position:relative;margin-top:10px}.currency-symbol{position:absolute;left:15px;top:50%;transform:translateY(-50%);font-size:1.2rem;font-weight:600;color:#718096;pointer-events:none;z-index:1}.bill-input-wrapper .form-input{padding-left:40px;font-size:1.2rem;font-weight:600}.tip-percentage-selector{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:10px}.tip-btn{padding:15px 10px;border:2px solid #e2e8f0;border-radius:12px;background:#fff;color:#4a5568;font-weight:600;font-size:1.1rem;cursor:pointer;transition:all .3s ease;text-align:center;line-height:1.4}.tip-btn small{display:block;font-size:.75rem;font-weight:400;margin-top:4px;color:#718096}.tip-btn:hover{border-color:#667eea;background:#f7fafc;color:#667eea;transform:translateY(-2px);box-shadow:0 4px 12px rgba(102,126,234,.2)}.tip-btn:hover small{color:#667eea}.tip-btn.active{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;border-color:#667eea;box-shadow:0 4px 15px rgba(102,126,234,.4)}.tip-btn.active small{color:rgba(255,255,255,.95)}.person-counter{display:flex;align-items:center;justify-content:center;gap:15px;margin-top:10px}.counter-btn{width:50px;height:50px;border-radius:12px;border:2px solid #e2e8f0;background:#fff;color:#4a5568;font-size:1.3rem;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center}.counter-btn:hover{border-color:#667eea;color:#667eea;transform:scale(1.05);box-shadow:0 4px 12px rgba(102,126,234,.2)}.counter-btn:active{transform:scale(.95)}.counter-display{width:100px;text-align:center;font-size:1.8rem;font-weight:bold;padding:10px;border:2px solid #48bb78;border-radius:12px;background:#f0fff4;color:#2d3748}.calculation-summary{display:flex;flex-direction:column;gap:12px;margin-bottom:15px}.summary-row{display:flex;justify-content:space-between;align-items:center;padding:12px 15px;background:#f7fafc;border-radius:10px;border:1px solid #e2e8f0}.summary-label{font-weight:500;color:#4a5568;font-size:.95rem}.summary-value{font-size:1.3rem;font-weight:700;color:#667eea}.result-item{text-align:center}.result-label{font-size:.9rem;color:#718096;margin-bottom:8px;font-weight:500}.result-value{font-family:'Roboto Mono',monospace;font-size:2rem;font-weight:700;color:#667eea}.result-item.highlight{background:linear-gradient(135deg,#f7fafc 0%,#edf2f7 100%);padding:20px;border-radius:15px;border:2px solid #e2e8f0;margin-top:15px}.result-value.per-person{font-size:2.5rem;color:#48bb78}.culture-card{background:linear-gradient(135deg,#fff 0%,#f7fafc 100%);border:2px solid #e2e8f0;border-radius:12px;padding:20px;margin-bottom:20px;transition:all .3s ease;height:100%}.culture-card:hover{border-color:#667eea;box-shadow:0 4px 15px rgba(102,126,234,.15);transform:translateY(-3px)}.culture-card h4{color:#2d3748;font-size:1.1rem;font-weight:700;margin-bottom:12px}.culture-recommendation{color:#667eea;font-weight:600;font-size:.95rem;margin-bottom:10px;padding:8px 12px;background:#f0f4ff;border-radius:8px;display:inline-block}.culture-description{color:#718096;font-size:.9rem;line-height:1.6}.button-group{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}.button-group button{flex:1;min-width:140px}@media(max-width:767px){.page-header h1{font-size:2rem}.tip-percentage-selector{grid-template-columns:repeat(2,1fr);gap:8px}.tip-btn{padding:12px 8px;font-size:1rem}.tip-btn small{font-size:.7rem}.counter-btn{width:44px;height:44px;font-size:1.1rem}.counter-display{width:80px;font-size:1.5rem}.button-group{flex-direction:column}.button-group button{width:100%;min-width:auto}.result-value.per-person{font-size:2rem}.result-item.highlight{padding:15px}.summary-value{font-size:1.1rem}.glass-card{padding:15px}.seo-section{padding:20px}}@media(min-width:768px) and (max-width:991px){.tip-percentage-selector{grid-template-columns:repeat(4,1fr)}}@media(min-width:992px){.tip-percentage-selector{grid-template-columns:repeat(4,1fr);gap:12px}.person-counter{gap:20px}}