/* 贷款计算器 · 全还款方式对比 —— 深夜蓝主题（自包含） */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    min-height: 100vh;
    background: linear-gradient(160deg, #0b1120 0%, #0f172a 55%, #101d3a 100%);
    color: #f1f5f9;
    font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
    font-size: 14px;
    padding-bottom: 60px;
}

/* ---------- 顶栏 ---------- */
.lc-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 24px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.15);
}
.lc-back { color: #7dd3fc; text-decoration: none; font-size: 14px; }
.lc-back:hover { text-decoration: underline; }
.lc-brand { color: #94a3b8; font-size: 13px; }

/* ---------- 布局：左参右内容 ---------- */
.lc-wrap { max-width: 1200px; margin: 0 auto; padding: 26px 24px 0; }
.lc-title { font-size: 24px; margin-bottom: 6px; }
.lc-title .lc-sub { font-size: 15px; color: #7dd3fc; font-weight: 500; margin-left: 8px; }
.lc-privacy { color: #64748b; font-size: 13px; margin-bottom: 22px; }

.lc-layout { display: flex; gap: 18px; align-items: flex-start; }
.lc-params { width: 320px; flex-shrink: 0; }
.lc-result { flex: 1; min-width: 0; }

/* ---------- 参数卡 ---------- */
.lc-config {
    background: rgba(30, 41, 59, 0.52);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 12px;
    padding: 20px 18px;
    backdrop-filter: blur(6px);
}
.config-line { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.config-line label { color: #94a3b8; font-size: 13px; min-width: 74px; }
.config-line input[type="number"], .config-line select {
    flex: 1;
    min-width: 80px;
    padding: 8px 10px;
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-radius: 6px;
    background: rgba(2, 6, 23, 0.45);
    color: #f1f5f9;
    font-size: 14px;
    outline: none;
}
.config-line input[type="number"]:focus { border-color: #38bdf8; }
.lc-unit-hint { color: #64748b; font-size: 12px; width: 100%; padding-left: 82px; }

.lc-chips { display: flex; gap: 6px; margin: -6px 0 14px 82px; flex-wrap: wrap; }
.lc-chips button {
    padding: 4px 10px;
    border: 1px solid rgba(148, 163, 184, 0.3);
    border-radius: 999px;
    background: rgba(2, 6, 23, 0.4);
    color: #94a3b8;
    font-size: 12px;
    cursor: pointer;
}
.lc-chips button:hover { border-color: #38bdf8; color: #7dd3fc; }
.lc-chips button.on { background: rgba(56, 189, 248, 0.18); border-color: #38bdf8; color: #7dd3fc; }

.lc-advanced { margin-bottom: 14px; border: 1px dashed rgba(148, 163, 184, 0.25); border-radius: 8px; padding: 10px 12px; }
.lc-advanced summary { color: #94a3b8; font-size: 13px; cursor: pointer; user-select: none; }
.lc-advanced[open] summary { margin-bottom: 10px; }
.lc-advanced .config-line { margin-bottom: 10px; }
.lc-advanced .lc-unit-hint { padding-left: 82px; }

.lc-btn {
    width: 100%;
    padding: 11px 0;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    cursor: pointer;
    margin-top: 4px;
}
.lc-btn-primary { background: linear-gradient(135deg, #0ea5e9, #38bdf8); color: #06121f; font-weight: 600; }
.lc-btn-primary:hover { filter: brightness(1.1); }

.lc-tips { margin-top: 16px; border-top: 1px solid rgba(148, 163, 184, 0.15); padding-top: 12px; }
.lc-tips p { color: #94a3b8; font-size: 12.5px; line-height: 1.75; margin-bottom: 8px; }
.lc-tips b { color: #7dd3fc; font-weight: 600; }

/* ---------- 结果区 ---------- */
.lc-summary {
    background: rgba(56, 189, 248, 0.08);
    border: 1px solid rgba(56, 189, 248, 0.25);
    border-radius: 10px;
    padding: 12px 16px;
    color: #cbd5e1;
    font-size: 14px;
    margin-bottom: 14px;
    line-height: 1.7;
}
.lc-summary b { color: #7dd3fc; font-size: 15px; }

.lc-table-wrap {
    overflow: auto;
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 10px;
    background: rgba(30, 41, 59, 0.52);
}
.lc-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.lc-table thead th {
    position: sticky;
    top: 0;
    background: rgba(15, 23, 42, 0.95);
    color: #7dd3fc;
    font-weight: 600;
    padding: 11px 12px;
    text-align: left;
    white-space: nowrap;
    border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}
.lc-table tbody td { padding: 11px 12px; border-bottom: 1px solid rgba(148, 163, 184, 0.1); color: #e2e8f0; white-space: nowrap; }
.lc-table tbody tr { cursor: pointer; }
.lc-table tbody tr:hover { background: rgba(56, 189, 248, 0.07); }
.lc-name { color: #f1f5f9; font-weight: 600; }
.lc-strong { color: #7dd3fc; font-weight: 700; }
.lc-bad { color: #f87171; font-weight: 700; }
.lc-marks { white-space: normal; }

.mk { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11.5px; white-space: nowrap; }
.mk-best { background: rgba(74, 222, 128, 0.15); color: #4ade80; border: 1px solid rgba(74, 222, 128, 0.4); }
.mk-warn { background: rgba(248, 113, 113, 0.14); color: #f87171; border: 1px solid rgba(248, 113, 113, 0.4); }
.mk-info { background: rgba(148, 163, 184, 0.14); color: #94a3b8; border: 1px solid rgba(148, 163, 184, 0.3); }

.lc-click-hint { color: #64748b; font-size: 12.5px; margin: 10px 2px; }

/* ---------- 明细 ---------- */
.lc-detail h3 { font-size: 15px; color: #f1f5f9; margin: 14px 0 10px; }
.lc-detail-table { max-height: 420px; }
.lc-detail-table tbody tr { cursor: default; }
.lc-detail-table tbody tr:hover { background: transparent; }

/* 窄屏回退 */
@media (max-width: 1024px) {
    .lc-layout { flex-direction: column; }
    .lc-params { width: 100%; }
}