/* ===================== 贷款计算器 ===================== */

.loan-topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.loan-title { font-size: 20px; font-weight: 800; margin: 0; }
.loan-download-btn { flex-shrink: 0; margin: 0; }

.loan-layout { display: grid; grid-template-columns: 380px 1fr; gap: 20px; align-items: start; }
.loan-card {
    background: var(--c-surface, #fff);
    border: 1px solid var(--c-border, #e2e8f0);
    border-radius: 16px;
    padding: 22px;
}
.loan-block-title { font-size: 15px; font-weight: 800; color: var(--c-text, #0f172a); margin: 0 0 14px; }

.loan-field { margin-bottom: 16px; }
.loan-field > label { display: block; font-size: 13px; font-weight: 700; color: var(--c-text-sub, #334155); margin-bottom: 7px; }
.loan-input {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--c-border, #e2e8f0);
    border-radius: 10px;
    background: var(--c-surface, #fff);
    color: var(--c-text, #0f172a);
    font-size: 15px;
    font-weight: 600;
    outline: none;
    transition: border-color .15s ease, box-shadow .15s ease;
}
.loan-input:focus { border-color: var(--c-primary, #0066ff); box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-primary, #0066ff) 15%, transparent); }

.loan-radios { display: flex; gap: 10px; }
.loan-radio { position: relative; }
.loan-radio input { position: absolute; opacity: 0; pointer-events: none; }
.loan-radio span {
    display: inline-block;
    padding: 9px 16px;
    border: 1px solid var(--c-border, #e2e8f0);
    border-radius: 10px;
    font-size: 13px;
    font-weight: 700;
    color: var(--c-text-sub, #334155);
    cursor: pointer;
    transition: all .15s;
    background: var(--c-surface, #fff);
}
.loan-radio input:checked + span { border-color: #10b981; background: #ecfdf5; color: #047857; }
.loan-help { font-size: 12px; color: var(--c-text-muted, #94a3b8); margin: 6px 0 0; line-height: 1.7; }

.loan-result-empty { text-align: center; padding: 60px 20px; color: var(--c-text-muted, #94a3b8); }
.loan-result-empty .emoji { font-size: 40px; margin-bottom: 10px; }
.loan-result-empty p { font-size: 14px; margin: 0; }

.loan-overview { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
.loan-ov-item {
    text-align: center;
    padding: 14px 8px;
    background: var(--c-surface-soft, #f8fafc);
    border-radius: 12px;
}
.loan-ov-item .k { display: block; font-size: 11px; color: var(--c-text-muted, #64748b); }
.loan-ov-item .v { display: block; font-size: 20px; font-weight: 900; color: var(--c-text, #0f172a); font-variant-numeric: tabular-nums; margin-top: 4px; }
.loan-ov-item .u { font-size: 11px; color: var(--c-text-muted, #94a3b8); }
.loan-ov-main .v { color: var(--c-primary, #0066ff); font-size: 26px; }

.loan-compare {
    margin-top: 14px;
    padding: 12px 14px;
    font-size: 13px;
    line-height: 1.8;
    color: var(--c-text-sub, #334155);
    background: var(--c-surface-soft, #f8fafc);
    border: 1px dashed var(--c-border, #e2e8f0);
    border-radius: 10px;
}
.loan-compare b { color: #10b981; }
.loan-compare b.bad { color: #ef4444; }

.loan-sub-title { font-size: 14px; font-weight: 800; color: var(--c-text, #0f172a); margin: 18px 0 10px; }
.loan-table-wrap { overflow-x: auto; border: 1px solid var(--c-border, #e2e8f0); border-radius: 10px; }
.loan-table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 480px; }
.loan-table th, .loan-table td { padding: 8px 12px; text-align: right; border-bottom: 1px solid var(--c-border, #e2e8f0); }
.loan-table th { background: var(--c-surface-soft, #f8fafc); font-weight: 800; color: var(--c-text-sub, #334155); font-size: 12px; }
.loan-table th:first-child, .loan-table td:first-child { text-align: center; }
.loan-table tr:last-child td { border-bottom: none; }
.loan-table td { color: var(--c-text-sub, #334155); font-variant-numeric: tabular-nums; }
.loan-table td:first-child { color: var(--c-text-muted, #94a3b8); }
.loan-table-tip { font-size: 12px; color: var(--c-text-muted, #94a3b8); margin-top: 8px; }

.loan-info { margin-top: 22px; }

[data-theme="dark"] .loan-radio input:checked + span { background: color-mix(in srgb, #10b981 18%, #131c31); color: #34d399; }

@media (max-width: 900px) {
    .loan-layout { grid-template-columns: 1fr; }
}