.property-table th,
        .property-table td {
            padding: 0.75rem;
            text-align: left;
            border: 1px solid var(--border-color, #dee2e6);
        }
        .input-group-custom {
            margin-bottom: 1rem;
        }
        .deep-dive {
            margin: 1.8rem 0;
        }
        .deep-dive p {
            text-align: justify;
        }
        .unit-note {
            font-size: 0.9rem;
            color: #6c757d;
        }
        .coord-input {
            margin-bottom: 0.5rem;
        }
        .gauge-container {
            max-width: 320px;
            margin: 1.5rem auto;
            position: relative;
        }
        .gauge-svg {
            width: 100%;
            height: auto;
        }
        .gauge-value {
            font-size: 2.6rem;
            font-weight: 700;
            fill: var(--primary-color, #0d6efd);
        }
        .gauge-label {
            font-size: 0.9rem;
            fill: #6c757d;
        }
        .gauge-tick {
            stroke: #adb5bd;
            stroke-width: 1.5;
        }
        .gauge-arc-bg {
            fill: none;
            stroke: #e9ecef;
            stroke-width: 18;
        }
        .gauge-arc-fg {
            fill: none;
            stroke: var(--primary-color, #0d6efd);
            stroke-width: 18;
            stroke-linecap: round;
            transition: stroke-dashoffset 0.8s ease;
        }
        .health-indicator {
            text-align: center;
            font-size: 1.3rem;
            font-weight: 600;
            padding: 0.5rem;
            border-radius: 4px;
            margin-top: 0.5rem;
        }
        .health-excellent {
            background-color: #d4edda;
            color: #155724;
        }
        .health-good {
            background-color: #cce5ff;
            color: #004085;
        }
        .health-fair {
            background-color: #fff3cd;
            color: #856404;
        }
        .health-poor {
            background-color: #f8d7da;
            color: #721c24;
        }
        .health-danger {
            background-color: #f5c6cb;
            color: #721c24;
        }
        .ratio-badge {
            display: inline-block;
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
        }
        .badge-excellent {
            background-color: #d4edda;
            color: #155724;
        }
        .badge-good {
            background-color: #cce5ff;
            color: #004085;
        }
        .badge-fair {
            background-color: #fff3cd;
            color: #856404;
        }
        .badge-poor {
            background-color: #f8d7da;
            color: #721c24;
        }
        .badge-danger {
            background-color: #f5c6cb;
            color: #721c24;
        }
        .benchmark-table td {
            vertical-align: middle;
        }
        .formula-display {
            font-size: 1.6rem;
            text-align: center;
            padding: 0.75rem;
            background: #f8f9fa;
            border-radius: 6px;
            font-family: 'Cambria Math', 'Latin Modern Math', serif;
        }
        .related-tools-container {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .related-content {
            flex: 1;
        }
        .related-name {
            font-weight: 600;
        }
        .related-name a {
            color: var(--primary-color, #0d6efd);
            text-decoration: none;
        }
        .related-name a:hover {
            text-decoration: underline;
        }
        .related-desc {
            font-size: 0.85rem;
            color: #6c757d;
        }
        .tool-header h1 {
            font-size: 2.2rem;
        }
        @media (max-width: 768px) {
            .tool-header h1 {
                font-size: 1.6rem;
            }
        }
        .social-icons a {
            color: #6c757d;
            margin-right: 0.75rem;
            font-size: 1.2rem;
            transition: color 0.15s;
        }
        .social-icons a:hover {
            color: #0d6efd;
        }
        footer .list-unstyled li {
            margin-bottom: 0.3rem;
        }
        footer .list-unstyled a {
            color: #6c757d;
            text-decoration: none;
        }
        footer .list-unstyled a:hover {
            color: #0d6efd;
            text-decoration: underline;
        }
        .subscription-form .input-group {
            max-width: 100%;
        }
        .subscription-message {
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }