:root {
            --primary-color: #274c77;
            --primary-light: #274c77;
            --secondary-color: #6096ba;
            --accent-color: #3b82f6;
            --light-color: #f8fafc;
            --dark-color: #1e293b;
            --text-color: #334155;
            --border-color: #e2e8f0;
            --success-color: #10b981;
            --warning-color: #f59e0b;
            --danger-color: #ef4444;
            --info-color: #3b82f6;
            --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --card-hover-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
        }
        
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
        }
        
        body {
    background: url('/theme/image/background.svg') no-repeat center center fixed;
    background-color: #eef4fc;
    background-size: cover;
            color: var(--text-color);
            line-height: 1.6;
            padding-top: 70px;
        }
        
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 20px;
        }
        
        .header-calcu {
            text-align: center;
            margin-bottom: 2rem;
            padding: 2rem 0;
            background: transparent;
            color:var(--primary-color);
            border-radius: 12px;
            position: relative;
            overflow: hidden;
        }
        

        
        h1 {
            font-size: 2rem;
            margin-bottom: 0.5rem;
            font-weight: 700;
            padding: 5px;
            text-align: center;
            position: relative;
        }
        
        .subtitle {
            font-size: 1.1rem;
            opacity: 0.9;
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
            padding: 5px auto;
            position: relative;
        }
        
        .tabs-container {
            background: white;
            border-radius: 12px;
            padding: 1rem;
            margin-bottom: 2rem;
            box-shadow: var(--card-shadow);
            position: relative;
            top: 10px;
            z-index: 10;
        }
        
        .tabs {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        
        .tab-btn {
            padding: 0.5rem 1rem;
            background-color: #e7ecef;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: var(--card-shadow);
            color: var(--text-color);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .tab-btn i {
            font-size: 1.1rem;
        }
        
        .tab-btn.active {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 10px 15px -3px rgba(79, 70, 229, 0.3);
        }
        
        .tab-btn:hover:not(.active) {
            background-color: var(--light-color);
            transform: translateY(-2px);
            box-shadow: var(--card-hover-shadow);
        }
        
        .calculator-container {
            display: none;
            background-color: white;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: var(--card-shadow);
            margin-bottom: 2rem;
            animation: fadeIn 0.5s ease;
        }
        
        .calculator-container.active {
            display: block;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .calculator-title {
            font-size: 1.8rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        
        .calculator-title i {
            font-size: 1.5rem;
        }
        
        .calculator-description {
            color: var(--text-color);
            margin-bottom: 1.5rem;
            font-size: 1.05rem;
            line-height: 1.7;
        }
        
        .calculator-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        
        @media (max-width: 768px) {
            .calculator-grid {
                grid-template-columns: 1fr;
            }
        }
        
        .input-section, .details-section {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        
        .section-title {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .input-group {
            margin-bottom: 0.5rem;
        }
        
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
            color: var(--dark-color);
            font-size: 0.95rem;
        }
        
        input[type="number"], input[type="range"], select {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 1rem;
            transition: all 0.3s ease;
            background-color: white;
        }
        
        input[type="number"]:focus, select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
        }
        
        .range-container {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-top: 0.5rem;
        }
        
        .range-container input[type="range"] {
            flex: 1;
            -webkit-appearance: none;
            height: 6px;
            background: var(--border-color);
            border-radius: 3px;
        }
        
        .range-container input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 18px;
            height: 18px;
            background: var(--primary-color);
            border-radius: 50%;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        
        .range-container input[type="range"]::-webkit-slider-thumb:hover {
            transform: scale(1.2);
            background: var(--primary-light);
        }
        
        .range-value {
            min-width: 80px;
            text-align: center;
            padding: 0.5rem 0.75rem;
            background-color: var(--light-color);
            border-radius: 6px;
            font-weight: 600;
            font-size: 0.9rem;
        }
        
        .btn-calculate {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 1rem 1.5rem;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            width: 100%;
            margin-top: 0.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        
        .btn-calculate:hover {
            background-color: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 15px -3px rgba(79, 70, 229, 0.3);
        }
        
        .checkbox-group {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.5rem;
        }
        
        .checkbox-group input[type="checkbox"] {
            width: auto;
        }
        
        .checkbox-group label {
            margin-bottom: 0;
            font-weight: 400;
        }
        
        .result-container {
            background-color: transparent;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: var(--card-shadow);
            margin-bottom: 2rem;
            display: none;
        }
        
        .result-title {
            font-size: 1.8rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        
        .result-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-bottom: 2rem;
        }
        
        .result-card {
            background-color: white;
            border-radius: 10px;
            padding: 1.5rem;
            text-align: center;
            transition: all 0.3s ease;
            box-shadow: var(--card-shadow);
            border-top: 4px solid var(--primary-color);
        }
        
        .result-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--card-hover-shadow);
        }
        
        .result-card h3 {
            color: var(--primary-color);
            margin-bottom: 0.75rem;
            font-size: 1.1rem;
            font-weight: 600;
        }
        
        .result-card .value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--dark-color);
        }
        
        .chart-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        
        @media (max-width: 768px) {
            .chart-container {
                grid-template-columns: 1fr;
            }
        }
        
        .chart-box {
            background-color: white;
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: var(--card-shadow);
            transition: all 0.3s ease;
        }
        
        .chart-box:hover {
            transform: translateY(-3px);
            box-shadow: var(--card-hover-shadow);
        }
        
        .chart-box h3 {
            margin-bottom: 1rem;
            color: var(--primary-color);
            text-align: center;
            font-size: 1.2rem;
            font-weight: 600;
        }
        
        .amortization-container {
            margin-top: 2rem;
        }
        
        .amortization-title {
            font-size: 1.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        
        .table-container {
            overflow-x: auto;
            border-radius: 10px;
            box-shadow: var(--card-shadow);
            margin-bottom: 2rem;
        }
        
        .amortization-table {
            width: 100%;
            border-collapse: collapse;
            background-color: white;
        }
        
        .amortization-table th, .amortization-table td {
            padding: 1rem;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }
        
        .amortization-table th {
            background-color: var(--primary-color);
            color: white;
            font-weight: 600;
            text-transform: uppercase;
            font-size: 0.8rem;
            letter-spacing: 0.5px;
        }
        
        .amortization-table tr:nth-child(even) {
            background-color: var(--light-color);
        }
        
        .amortization-table tr:hover {
            background-color: #f0f4f8;
        }
        
        .summary {
            margin-top: 2rem;
            padding: 1.5rem;
            background-color: white;
            border-radius: 10px;
            border-left: 4px solid var(--primary-color);
            box-shadow: var(--card-shadow);
        }
        
        .summary h3 {
            color: var(--primary-color);
            margin-bottom: 1rem;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        
        .summary p {
            margin-bottom: 0.75rem;
            line-height: 1.7;
        }
        
        .highlight {
            font-weight: 600;
            color: var(--primary-color);
        }
        
        .comparison-container {
            background-color: transparent;
            border-radius: 12px;
            padding: 2rem;
        
            margin-bottom: 2rem;
        }
        
        .comparison-title {
            font-size: 1.5rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        
        .comparison-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
        }
        
        .comparison-card {
            background-color: white;
            border-radius: 10px;
            padding: 1.5rem;
            transition: all 0.3s ease;
            box-shadow: var(--card-shadow);
            border-top: 4px solid var(--primary-color);
        }
        
        .comparison-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--card-hover-shadow);
        }
        
        .comparison-card h4 {
            color: var(--primary-color);
            margin-bottom: 1rem;
            text-align: center;
            font-size: 1.2rem;
            font-weight: 600;
        }
        
        .comparison-card ul {
            list-style-type: none;
        }
        
        .comparison-card li {
            margin-bottom: 0.75rem;
            position: relative;
            padding-left: 1.5rem;
            line-height: 1.6;
        }
        
        .comparison-card li:before {
            content: "•";
            color: var(--primary-color);
            font-weight: bold;
            position: absolute;
            left: 0;
            font-size: 1.5rem;
            line-height: 1;
        }
        
        .tooltip {
            position: relative;
            display: inline-block;
            margin-left: 0.25rem;
            cursor: pointer;
            color: var(--primary-color);
        }
        
        .tooltip .tooltiptext {
            visibility: hidden;
            width: 220px;
            background-color: var(--dark-color);
            color: white;
            text-align: center;
            border-radius: 6px;
            padding: 0.75rem;
            position: absolute;
            z-index: 1;
            bottom: 125%;
            left: 50%;
            transform: translateX(-50%);
            opacity: 0;
            transition: opacity 0.3s;
            font-size: 0.85rem;
            font-weight: normal;
            line-height: 1.5;
        }
        
        .tooltip:hover .tooltiptext {
            visibility: visible;
            opacity: 1;
        }
        
        .badge {
            display: inline-block;
            padding: 0.25rem 0.5rem;
            background-color: var(--primary-light);
            color: white;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-left: 0.5rem;
        }
        
        /* SEO URL indicator */
        .seo-url-indicator {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background-color: var(--primary-color);
            color: white;
            padding: 0.75rem 1rem;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            z-index: 100;
            opacity: 0.9;
            display: none;
        }
        
        /* Responsive adjustments */
        @media (max-width: 640px) {
            .tabs {
                justify-content: flex-start;
                overflow-x: auto;
                padding-bottom: 0.5rem;
                scrollbar-width: none;
            }
            
            .tabs::-webkit-scrollbar {
                display: none;
            }
            
            .tab-btn {
                flex-shrink: 0;
            }
            
            .seo-url-indicator {
                bottom: 10px;
                right: 10px;
                font-size: 0.8rem;
            }
        }

.content-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1.5rem;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: #274c77;
    line-height: 1.6;
}

.content-container h2 {
    font-size: 1.8rem;
    color: #274c77;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.content-container h3 {
    font-size: 1.3rem;
    color: #274c77;
    margin-bottom: 1rem;
}

.content-container p {
    margin-bottom: 1rem;
    color: #475569;
}

/* Intro Section */
.intro-section {
    background: transparent;
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 3rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.benefit-card {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.benefit-card i {
    font-size: 2rem;
    color: #6096ba;
    margin-bottom: 1rem;
    background: #e0e7ff;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.benefit-card h3 {
    font-size: 1.2rem;
    color: #274c77;
    margin-bottom: 0.75rem;
}

/* Loan Types Section */
.loan-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.loan-type-card {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    border-top: 4px solid #4f46e5;
}

.loan-type-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.loan-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    color: white;
}

.housing-loan { background: #4f46e5; }
.vehicle-loan { background: #10b981; }
.personal-loan { background: #f59e0b; }
.business-loan { background: #3b82f6; }

.loan-type-card ul {
    list-style: none;
    margin-top: 1rem;
}

.loan-type-card li {
    margin-bottom: 0.5rem;
    padding-left: 1.75rem;
    position: relative;
}

.loan-type-card li i {
    position: absolute;
    left: 0;
    color: #4f46e5;
}

/* How To Use Section */
.steps-container {
    background: transparent;
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 3rem;
}

.step {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    position: relative;
}

.step:last-child {
    margin-bottom: 0;
}

.step-number {
    background: #4f46e5;
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
    font-size: 1.2rem;
}

.step-content {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    flex-grow: 1;
}

/* FAQ Section */
.faq-accordion {
    margin-bottom: 3rem;
}

.faq-item {
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 1.25rem 1.5rem;
    background: #274c77;
    color: white;
    border: none;
    font-size: 1.1rem;
    font-weight: 500;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.faq-question i {
    transition: transform 0.3s ease;
}

.faq-question.active i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0;
    background: white;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-answer.show {
    padding: 1.5rem;
    max-height: 1000px;
}

.formula {
    background: transparent;
    padding: 1rem;
    border-radius: 6px;
    font-family: monospace;
    margin: 1rem 0;
}

.rate-factors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.factor {
    background: #f8fafc;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
}

.factor i {
    font-size: 1.5rem;
    color: #274c77;
    margin-bottom: 0.5rem;
}

.factor h4 {
    margin-bottom: 0.5rem;
}

.strategy-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.strategy-card {
    background: transparent;
    padding: 1rem;
    border-radius: 8px;
    border-left: 3px solid #4f46e5;
}

.strategy-card h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.strategy-card h4 i {
    color: #274c77;
}

/* Loan Tips Section */
.tips-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.tip-card {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border-top: 4px solid #4f46e5;
}

.tip-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.tip-header i {
    font-size: 1.5rem;
    color: #4f46e5;
    background: #e0e7ff;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

/* Glossary Section */
.glossary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.term-card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border-left: 4px solid #4f46e5;
}

.term-card h3 {
    color: #4f46e5;
    margin-bottom: 0.75rem;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .content-container {
        padding: 0 1rem;
    }
    
    .intro-section,
    .steps-container {
        padding: 1.5rem;
    }
    
    .step {
        flex-direction: column;
        gap: 1rem;
    }
    
    .step-number {
        align-self: flex-start;
    }
}

@media (max-width: 480px) {
    .benefits-grid,
    .loan-types-grid,
    .tips-container,
    .glossary-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-question {
        font-size: 1rem;
        padding: 1rem;
    }
}