.result-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    padding: 16px 20px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.result-header .result-title {
    flex: 1;
    font-size: 1.2rem;
    font-weight: 600;
    color: #1e293b;
    margin: 0;
}

.result-header .ui-btn[skin~="back"] {
    background: #f1f5f9;
    color: #475569;
    border: 1px solid #e2e8f0;
    left: 0;
}

.result-header .ui-btn[skin~="back"]:hover {
    background: #e2e8f0;
    color: #1e293b;
}

.calculator {
    background: transparent;
}

.calculator > div[view="calc_input"] {
    padding-top: 8px;
}

.calculator > div[view="calc_result"] {
    padding-top: 8px;
}

.switch-tabs.big-switch-tabs {
    margin-bottom: 20px;
}

.switch-tabs.big-switch-tabs li div {
    font-size: inherit;
    font-weight: inherit;
    color: inherit;
}

.input-fields[wrap="h10"] {
    padding-left: 20px;
    padding-right: 20px;
}

#business_rate_value_line label {
    visibility: hidden;
}

.field .ad-link {
    display: none;
}

.calc-result .switch-tabs {
    margin-bottom: 20px;
}

.result-data {
    animation: fadeIn 0.3s ease;
}

.result-list li.hide {
    display: none;
}

.data-container .data-table {
    margin: 0;
}

.data-container .view-more {
    background: transparent;
    border-bottom: none;
    box-shadow: none;
}

.data-container .view-more.hover {
    background: #f8faff;
}

.recal-btn[wrap="h10"] {
    padding-left: 0;
    padding-right: 0;
}

#data_detail_1,
#data_detail_2 {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}

#data_detail_1 .data-table,
#data_detail_2 .data-table {
    margin: 0;
}

#business_atc_recmd_mod,
#PAF_atc_recmd_mod,
#repay_atc_recmd_mod {
    margin-top: 20px;
}

#business_atc_recmd_mod .mod-tit,
#PAF_atc_recmd_mod .mod-tit,
#repay_atc_recmd_mod .mod-tit {
    margin-bottom: 12px;
}

.use-help {
    border: 1px solid #f1f5f9;
}

.result-list li .item-value {
    transition: color 0.2s ease;
}

#repay_monthly_1,
#repay_monthly_2,
#interest_total_1,
#interest_total_2,
#repay_total_1,
#repay_total_2 {
    color: #4f46e5;
}

.recal-btn a {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    color: #475569;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    border: 1px solid #cbd5e1;
}

.recal-btn a:hover {
    background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
    color: #1e293b;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.recal-btn a[skin="blue full"] {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: #fff;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
    border: none;
}

.recal-btn a[skin="blue full"]:hover {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 640px) {
    .switch-tabs.big-switch-tabs li {
        padding: 8px 4px;
        font-size: 0.75rem;
    }

    .result-list .group-tit {
        font-size: 0.85rem;
        padding: 12px 14px;
    }

    .data-container .group-tit {
        font-size: 0.85rem;
        padding: 12px 14px;
    }
}

.prepay-row td {
    background: linear-gradient(135deg, #eef2ff 0%, #f5f3ff 100%) !important;
    border-top: 2px solid #818cf8;
    border-bottom: 2px solid #818cf8;
    padding: 12px 8px;
}

#prepay_method_line,
#prepay_remain_line,
#prepay_total_periods_line,
#prepay_paid_periods_line,
#prepay_rate_line,
#prepay_amount_line,
#prepay_type_line {
    animation: fadeIn 0.3s ease;
}

.prepay-overview {
    margin-bottom: 20px;
    padding: 20px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    animation: fadeIn 0.3s ease;
}

.prepay-overview-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #f1f5f9;
}

.prepay-overview-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.prepay-card {
    padding: 16px 12px;
    background: #f8fafc;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.prepay-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.prepay-card-highlight {
    background: linear-gradient(135deg, #eef2ff 0%, #f5f3ff 100%);
    border: 1px solid #e0e7ff;
}

.prepay-card-label {
    font-size: 0.8rem;
    color: #64748b;
    margin-bottom: 8px;
    font-weight: 500;
}

.prepay-card-value {
    font-size: 1.15rem;
    font-weight: 700;
    color: #4f46e5;
    line-height: 1.3;
}

.prepay-card-highlight .prepay-card-value {
    color: #4338ca;
}

.prepay-card-sub {
    font-size: 0.75rem;
    color: #94a3b8;
    margin-top: 4px;
}

.prepay-columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: 1fr 1fr;
    grid-auto-flow: column;
    gap: 12px;
    grid-column: 1 / -1;
}

@media (max-width: 640px) {
    .prepay-overview-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .prepay-columns {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: 1fr 1fr 1fr;
        gap: 8px;
    }

    .prepay-card {
        padding: 12px 8px;
    }

    .prepay-card-value {
        font-size: 1rem;
    }
}

.back-to-top {
    position: fixed;
    right: 24px;
    bottom: 32px;
    z-index: 999;
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: #fff;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, box-shadow 0.2s ease;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    box-shadow: 0 6px 24px rgba(99, 102, 241, 0.5);
    transform: translateY(-3px);
}

.back-to-top:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.back-to-top svg {
    display: block;
    filter: drop-shadow(0 1px 2px rgba(0,0,0,0.15));
}

@media (max-width: 640px) {
    .back-to-top {
        right: 16px;
        bottom: 24px;
        width: 44px;
        height: 44px;
    }
}