.basic-bank-transfer-section {
    font-family: 'Segoe UI', Arial, sans-serif;
    background-color: #f4f7f6;
    padding: 60px 20px;
    color: #333;
}

.bbt-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
}

/* Left Side: Instruction Content */
.bbt-instruction-area {
    flex: 1;
    min-width: 350px;
}

.bbt-instruction-area h1 {
    font-size: 36px;
    margin-bottom: 20px;
    font-weight: 800;
}

.bbt-instruction-area p {
    font-size: 17px;
    line-height: 1.7;
    color: #555;
    margin-bottom: 30px;
}

.bbt-step-box {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    background: #fff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.03);
}

.bbt-step-box h4 {
    margin: 0 0 8px 0;
    color: #333;
    font-size: 18px;
}

.bbt-step-box p {
    margin: 0;
    font-size: 15px;
    line-height: 1.5;
    color: #666;
}

.bbt-step-num {
    color: white;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
    font-size: 18px;
}

/* Right Side: Bank Details Card */
.bbt-bank-details-card {
    flex: 1;
    min-width: 400px;
    background: #ffffff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
    border-top-width: 6px;
    border-top-style: solid;
}

.bbt-bank-header {
    text-align: center;
    margin-bottom: 30px;
}

.bbt-logo {
    height: 60px;
    margin-bottom: 15px;
    max-width: 200px;
}

.bbt-bank-logo {
    height: 40px;
    margin-top: 10px;
    max-width: 150px;
}

.bbt-bank-header h3 {
    margin: 15px 0 0 0;
    font-size: 24px;
    font-weight: 700;
}

.bbt-bank-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

.bbt-label {
    color: #888;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    flex-shrink: 0;
}

.bbt-value {
    font-weight: 700;
    color: #222;
    font-size: 16px;
    text-align: right;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.bbt-copy-text {
    font-family: monospace;
    font-size: 15px;
}

.bbt-copy-btn {
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 600;
}

.bbt-copy-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.bbt-notice-box {
    margin-top: 30px;
    background: #fff8e1;
    padding: 20px;
    border-radius: 10px;
    font-size: 14px;
    color: #856404;
    border: 1px solid #ffeeba;
    line-height: 1.5;
}

.bbt-notice-box strong {
    color: #856404;
}

.bbt-bank-selector {
    margin-top: 30px;
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.03);
}

.bbt-bank-selector h4 {
    margin-top: 0;
    margin-bottom: 15px;
    color: #333;
    font-size: 18px;
}

.bbt-bank-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.bbt-bank-btn {
    padding: 12px 20px;
    border: 2px solid #ddd;
    background: white;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 600;
    color: #555;
    font-size: 14px;
}

.bbt-bank-btn:hover {
    border-color: #aaa;
}

.bbt-bank-btn.active {
    color: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.bbt-qr-code {
    margin-top: 30px;
    text-align: center;
    padding: 20px;
    border-top: 1px solid #eee;
}

.bbt-qr-code h4 {
    margin-top: 0;
    color: #333;
    margin-bottom: 15px;
}

.bbt-qr-code img {
    max-width: 200px;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.bbt-no-bank {
    text-align: center;
    padding: 30px;
    color: #888;
    font-style: italic;
    font-size: 16px;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    .bbt-container {
        flex-direction: column;
        gap: 30px;
    }

    .bbt-instruction-area,
    .bbt-bank-details-card {
        min-width: 100%;
    }

    .bbt-bank-details-card {
        padding: 25px;
    }

    .bbt-bank-row {
        flex-direction: column;
        gap: 5px;
        align-items: flex-start;
    }

    .bbt-value {
        text-align: left;
        justify-content: flex-start;
        width: 100%;
    }

    .bbt-bank-buttons {
        flex-direction: column;
    }

    .bbt-bank-btn {
        width: 100%;
        text-align: center;
    }
}

@media screen and (max-width: 480px) {
    .basic-bank-transfer-section {
        padding: 30px 15px;
    }

    .bbt-instruction-area h1 {
        font-size: 28px;
    }

    .bbt-step-box {
        flex-direction: column;
        gap: 15px;
    }

    .bbt-step-num {
        width: 30px;
        height: 30px;
    }
}