body.sqpay-page {
    margin: 0;
    background: #f8f8f8;
    color: #333;
}

.sqpay-layout {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.sqpay-main {
    flex: 1;
    padding: 36px 0 64px;
}

.sqpay-shell {
    width: min(1140px, calc(100% - 32px));
    margin: 0 auto;
}

.sqpay-card {
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.sqpay-heading {
    padding: 14px 20px;
    background: var(--main-color);
    color: #fff;
}

.sqpay-title {
    margin: 0 0 6px;
    font-size: clamp(22px, 3vw, 30px);
    line-height: 1.2;
    font-weight: 700;
}

.sqpay-order {
    margin: 0;
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.92);
}

.sqpay-amount {
    margin: 18px 20px 12px;
    padding: 12px 14px;
    border: 1px solid #e5e5e5;
    border-left: 4px solid var(--main-color);
    border-radius: 6px;
    background: #fff;
}

.sqpay-amount-label {
    margin: 0;
    color: #666;
    font-size: 13px;
    line-height: 1.6;
}

.sqpay-amount-value {
    margin: 4px 0 0;
    color: #ff5722;
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 700;
    line-height: 1.2;
}

.sqpay-grid {
    display: grid;
    grid-template-columns: minmax(0, 2.1fr) minmax(0, 1fr);
    gap: 16px;
    padding: 10px 20px 20px;
    align-items: start;
}

.sqpay-method,
.sqpay-notice {
    border: 1px solid #e8e8e8;
    border-radius: 6px;
    background: #fff;
}

.sqpay-method-head {
    padding: 12px 14px;
    border-bottom: 1px solid #efefef;
    background: #fafafa;
}

.sqpay-method-title {
    margin: 0 0 8px;
    color: #333;
    font-size: 15px;
    font-weight: 600;
}

.sqpay-brand-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.sqpay-brand-list img {
    display: block;
    height: 20px;
    width: auto;
}

.sqpay-method-body {
    padding: 14px;
}

#card-container {
    min-height: 52px;
    padding: 10px 12px;
    border: 1px solid #dcdcdc;
    border-radius: 6px;
    background: #fff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#card-container:focus-within {
    border-color: var(--main-color);
    box-shadow: 0 0 0 2px rgba(21, 56, 84, 0.12);
}

.sqpay-pay-button {
    width: 100%;
    height: 48px;
    margin-top: 12px;
    border: none;
    border-radius: 6px;
    background: var(--main-color);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.sqpay-pay-button:hover {
    background: #102d42;
}

.sqpay-pay-button:disabled {
    background: #a4b3bf;
    cursor: not-allowed;
}

.sqpay-notice {
    padding-bottom: 6px;
    background: #fafafa;
}

.sqpay-notice-head {
    margin: 0;
    padding: 12px 14px 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--main-color);
}

.sqpay-notice-body {
    margin: 0;
    padding: 0 14px 10px;
    color: #555;
    font-size: 14px;
    line-height: 1.8;
}

@media (max-width: 980px) {
    .sqpay-main {
        padding: 26px 0 48px;
    }

    .sqpay-shell {
        width: calc(100% - 20px);
    }

    .sqpay-grid {
        grid-template-columns: 1fr;
        padding: 10px 12px 14px;
    }

    .sqpay-heading {
        padding: 12px 14px;
    }

    .sqpay-amount {
        margin: 12px;
    }
}