/* ============================================================
   成人纸尿裤用量与年度成本计算器 · adult-diaper-usage-calc
   主题：陶土橙 + 石板青 + 米白（照护记录卡）
   深色模式由导航 theme-toggle 控制（:root[data-theme="dark"]）
   ============================================================ */

.adu-page {
    --adu-terra: #c0662f;          /* 主色 · 陶土橙 */
    --adu-terra-deep: #9c4f1e;
    --adu-terra-soft: #f9e8dc;
    --adu-slate: #4a6670;          /* 辅色 · 石板青 */
    --adu-slate-deep: #34505a;
    --adu-slate-soft: #e4ecee;
    --adu-linen: #f8f4ee;          /* 页面底 · 米白 */
    --adu-card: #ffffff;
    --adu-ink: #33261c;
    --adu-ink-2: #7d6f61;
    --adu-line: #e8dccd;
    --adu-field: #fdfaf5;
    --adu-green: #2f7d5b;
    --adu-danger: #b0421f;
    --adu-shadow: 0 10px 30px rgba(110, 70, 30, 0.09);
    --adu-radius: 18px;

    max-width: 1180px;
    margin: 0 auto;
    padding: 26px 0 60px;
    color: var(--adu-ink);
    font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    line-height: 1.7;
}
.adu-page *,
.adu-page *::before,
.adu-page *::after { box-sizing: border-box; }

:root[data-theme="dark"] .adu-page {
    --adu-terra: #d9834c;
    --adu-terra-deep: #c06a33;
    --adu-terra-soft: #3a291e;
    --adu-slate: #7d9aa5;
    --adu-slate-deep: #5d7d89;
    --adu-slate-soft: #1f2b30;
    --adu-linen: #1e1813;
    --adu-card: #29211a;
    --adu-ink: #f4e9dd;
    --adu-ink-2: #b5a692;
    --adu-line: #443627;
    --adu-field: #322920;
    --adu-green: #5cab88;
    --adu-danger: #e0704a;
    --adu-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

/* ============ 首屏 ============ */
.adu-hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.7fr) minmax(260px, 1fr);
    gap: 26px;
    align-items: stretch;
    background:
        radial-gradient(120% 140% at 90% 0%, var(--adu-terra-soft) 0%, transparent 52%),
        radial-gradient(90% 110% at 2% 100%, var(--adu-slate-soft) 0%, transparent 44%),
        var(--adu-card);
    border: 1px solid var(--adu-line);
    border-radius: calc(var(--adu-radius) + 6px);
    box-shadow: var(--adu-shadow);
    padding: 40px 42px;
    overflow: hidden;
}
.adu-hero::after {
    content: "";
    position: absolute;
    right: -40px;
    bottom: -60px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, var(--adu-slate-soft), var(--adu-slate) 140%);
    opacity: 0.22;
    pointer-events: none;
}
.adu-kicker {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.14em;
    color: var(--adu-slate-deep);
    background: var(--adu-slate-soft);
    border-radius: 999px;
    padding: 5px 14px;
    margin-bottom: 14px;
}
.adu-hero-copy h1 {
    margin: 0 0 12px;
    font-size: 34px;
    line-height: 1.25;
    color: var(--adu-ink);
}
.adu-hero-sub {
    margin: 0 0 18px;
    font-size: 16px;
    color: var(--adu-ink-2);
    max-width: 40em;
}
.adu-hero-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.adu-hero-chips li {
    font-size: 13px;
    color: var(--adu-terra-deep);
    background: var(--adu-terra-soft);
    border-radius: 999px;
    padding: 4px 12px;
}

.adu-hero-readout {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    background: linear-gradient(160deg, var(--adu-terra) -14%, var(--adu-terra-deep) 118%);
    color: #fff;
    border-radius: var(--adu-radius);
    padding: 24px 26px;
    position: relative;
    z-index: 1;
}
.adu-readout-label { font-size: 13px; opacity: 0.92; letter-spacing: 0.08em; }
.adu-readout-num {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
}
.adu-readout-sub { font-size: 14px; opacity: 0.95; }
.adu-readout-meta { font-size: 12px; opacity: 0.8; }
.adu-readout-tip {
    font-size: 12px;
    opacity: 0.72;
    border-top: 1px dashed rgba(255, 255, 255, 0.4);
    padding-top: 8px;
    margin-top: 6px;
}

/* ============ 布局 ============ */
.adu-calc {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(320px, 1fr);
    gap: 22px;
    margin-top: 22px;
    align-items: start;
}
.adu-input-col { display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.adu-result-col { display: flex; flex-direction: column; gap: 18px; position: sticky; top: 84px; }

.adu-panel {
    background: var(--adu-card);
    border: 1px solid var(--adu-line);
    border-radius: var(--adu-radius);
    box-shadow: var(--adu-shadow);
    padding: 24px 26px;
}
.adu-panel-head { display: flex; gap: 14px; margin-bottom: 16px; }
.adu-step {
    flex: none;
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(150deg, var(--adu-terra), var(--adu-terra-deep));
}
.adu-panel-head h2 { margin: 0; font-size: 18px; }
.adu-panel-head p { margin: 2px 0 0; font-size: 13px; color: var(--adu-ink-2); }

.adu-seg {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    background: var(--adu-linen);
    border: 1px solid var(--adu-line);
    border-radius: 14px;
    padding: 6px;
    margin-bottom: 16px;
}
.adu-seg-btn {
    appearance: none;
    border: 0;
    background: transparent;
    color: var(--adu-ink-2);
    font-size: 15px;
    font-weight: 700;
    font-family: inherit;
    padding: 10px 0;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.18s, color 0.18s, box-shadow 0.18s;
}
.adu-seg-btn:hover { color: var(--adu-ink); }
.adu-seg-btn.is-on {
    background: var(--adu-card);
    color: var(--adu-terra-deep);
    box-shadow: 0 3px 10px rgba(110, 70, 30, 0.16);
}

.adu-grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 16px; }
.adu-field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.adu-label { font-size: 13px; font-weight: 700; }
.adu-hint { font-size: 12px; color: var(--adu-ink-2); }
.adu-input-wrap { position: relative; display: block; }
.adu-unit {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    color: var(--adu-ink-2);
    pointer-events: none;
}
.adu-input {
    width: 100%;
    appearance: none;
    border: 1.5px solid var(--adu-line);
    background: var(--adu-field);
    color: var(--adu-ink);
    font-size: 15px;
    font-weight: 600;
    border-radius: 11px;
    padding: 10px 12px;
    padding-right: 58px;
    font-family: inherit;
    font-variant-numeric: tabular-nums;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.adu-input:focus { outline: none; border-color: var(--adu-slate); box-shadow: 0 0 0 3px rgba(74, 102, 112, 0.15); }
.adu-input.is-invalid { border-color: var(--adu-danger); box-shadow: 0 0 0 3px rgba(176, 66, 31, 0.12); }

/* 附加耗材勾选 */
.adu-extras { display: flex; flex-direction: column; gap: 10px; margin-top: 14px; }
.adu-check {
    display: grid;
    grid-template-columns: 22px minmax(0, 1fr);
    gap: 12px;
    border: 1.5px solid var(--adu-line);
    background: var(--adu-field);
    border-radius: 13px;
    padding: 12px 14px;
    cursor: pointer;
    position: relative;
}
.adu-check input { position: absolute; opacity: 0; pointer-events: none; }
.adu-check-mark {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    border: 2px solid var(--adu-line);
    border-radius: 7px;
    position: relative;
    background: var(--adu-card);
    transition: background 0.15s, border-color 0.15s;
}
.adu-check input:checked ~ .adu-check-mark { background: var(--adu-slate); border-color: var(--adu-slate); }
.adu-check input:checked ~ .adu-check-mark::after {
    content: "";
    position: absolute;
    left: 5px;
    top: 1px;
    width: 5px;
    height: 10px;
    border-right: 2.5px solid #fff;
    border-bottom: 2.5px solid #fff;
    transform: rotate(42deg);
}
.adu-check-body { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; min-width: 0; }
.adu-check-body b { font-size: 14.5px; }
.adu-check-body small { flex-basis: 100%; font-size: 12.5px; color: var(--adu-ink-2); }
.adu-check-price {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    color: var(--adu-ink-2);
    white-space: nowrap;
}
.adu-check-price input {
    width: 74px;
    border: 1.5px solid var(--adu-line);
    background: var(--adu-card);
    color: var(--adu-ink);
    border-radius: 8px;
    padding: 5px 8px;
    font-size: 14px;
    font-weight: 700;
    font-family: inherit;
    font-variant-numeric: tabular-nums;
}
.adu-check-price input:focus { outline: none; border-color: var(--adu-slate); }

/* 方案 B 开关 */
.adu-switch {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    margin-bottom: 14px;
    position: relative;
}
.adu-switch input { position: absolute; opacity: 0; pointer-events: none; }
.adu-switch-track {
    width: 42px;
    height: 24px;
    border-radius: 999px;
    background: var(--adu-line);
    position: relative;
    transition: background 0.18s;
    flex: none;
}
.adu-switch-track::after {
    content: "";
    position: absolute;
    left: 3px;
    top: 3px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
    transition: transform 0.18s;
}
.adu-switch input:checked ~ .adu-switch-track { background: var(--adu-slate); }
.adu-switch input:checked ~ .adu-switch-track::after { transform: translateX(18px); }
.adu-grid2.is-off { opacity: 0.45; pointer-events: none; }

.adu-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.adu-btn {
    appearance: none;
    border: 1.5px solid var(--adu-line);
    background: var(--adu-field);
    color: var(--adu-ink);
    font-size: 15px;
    font-weight: 700;
    font-family: inherit;
    border-radius: 12px;
    padding: 11px 22px;
    cursor: pointer;
    transition: transform 0.12s, border-color 0.15s, color 0.15s;
}
.adu-btn:hover { border-color: var(--adu-slate); color: var(--adu-slate-deep); }
.adu-btn:active { transform: translateY(1px); }
.adu-btn-primary {
    border: 0;
    color: #fff;
    background: linear-gradient(150deg, var(--adu-terra), var(--adu-terra-deep));
    box-shadow: 0 6px 16px rgba(156, 79, 30, 0.32);
}
.adu-btn-primary:hover { color: #fff; }

/* ============ 账单 ============ */
.adu-bill {
    background: var(--adu-card);
    border: 1.5px solid var(--adu-line);
    border-top: 5px solid var(--adu-terra);
    border-radius: var(--adu-radius);
    box-shadow: var(--adu-shadow);
    padding: 22px 24px;
}
.adu-bill-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 12px; }
.adu-bill-title { font-size: 16px; font-weight: 800; }
.adu-bill-tag {
    font-size: 12px;
    font-weight: 700;
    color: var(--adu-slate-deep);
    background: var(--adu-slate-soft);
    border-radius: 999px;
    padding: 3px 10px;
}
.adu-net { text-align: center; padding: 12px 0 14px; border-bottom: 1px dashed var(--adu-line); margin-bottom: 12px; }
.adu-net-label { display: block; font-size: 13px; color: var(--adu-ink-2); }
.adu-net-num {
    display: block;
    font-size: 40px;
    font-weight: 800;
    color: var(--adu-terra-deep);
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
}
.adu-net-note { font-size: 12px; color: var(--adu-ink-2); }
.adu-bill-list { list-style: none; margin: 0 0 10px; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.adu-bill-list li { display: flex; justify-content: space-between; gap: 12px; font-size: 13.5px; }
.adu-bill-list .adu-li-name { min-width: 0; }
.adu-bill-list .adu-li-sub { display: block; font-size: 11.5px; color: var(--adu-ink-2); }
.adu-bill-list .adu-li-num { font-weight: 700; font-variant-numeric: tabular-nums; white-space: nowrap; }
.adu-bill-total {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 15px;
    font-weight: 800;
    border-top: 1.5px solid var(--adu-line);
    padding-top: 10px;
}
.adu-bill-total b { font-size: 20px; font-variant-numeric: tabular-nums; }
.adu-bill-rows { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.adu-bill-row {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: var(--adu-ink-2);
    background: var(--adu-linen);
    border-radius: 9px;
    padding: 8px 12px;
}
.adu-bill-row b { font-variant-numeric: tabular-nums; color: var(--adu-ink); }
.adu-bill-row-strong { background: rgba(47, 125, 91, 0.1); }
.adu-bill-row-strong b { color: var(--adu-green); font-size: 16px; }
.adu-bill-warn {
    margin-top: 12px;
    font-size: 13px;
    color: var(--adu-danger);
    background: rgba(176, 66, 31, 0.08);
    border: 1px dashed var(--adu-danger);
    border-radius: 10px;
    padding: 9px 12px;
}
.adu-bill-tools { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.adu-mini {
    appearance: none;
    border: 1.5px solid var(--adu-line);
    background: var(--adu-field);
    color: var(--adu-ink);
    font-size: 13px;
    font-weight: 700;
    font-family: inherit;
    border-radius: 9px;
    padding: 7px 13px;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
}
.adu-mini:hover { border-color: var(--adu-slate); color: var(--adu-slate-deep); }
.adu-mini.is-ok { border-color: var(--adu-green); color: var(--adu-green); background: rgba(47, 125, 91, 0.1); }

/* ============ 对比 ============ */
.adu-compare {
    background: var(--adu-card);
    border: 1px solid var(--adu-line);
    border-radius: var(--adu-radius);
    box-shadow: var(--adu-shadow);
    padding: 20px 22px;
}
.adu-compare-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.adu-compare-head h3 { margin: 0; font-size: 16px; }
.adu-compare-table-wrap { overflow-x: auto; }
.adu-compare-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.adu-compare-table th,
.adu-compare-table td {
    border-bottom: 1px solid var(--adu-line);
    padding: 8px 10px;
    text-align: right;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}
.adu-compare-table th:first-child,
.adu-compare-table td:first-child { text-align: left; }
.adu-compare-table thead th { font-size: 12.5px; color: var(--adu-ink-2); font-weight: 700; border-bottom-width: 2px; }
.adu-compare-table td.is-hot { color: var(--adu-terra-deep); font-weight: 800; }
.adu-compare-note { margin: 10px 0 0; font-size: 12px; color: var(--adu-ink-2); }

/* ============ 用量参考表 ============ */
.adu-ref {
    background: var(--adu-card);
    border: 1px solid var(--adu-line);
    border-radius: var(--adu-radius);
    box-shadow: var(--adu-shadow);
    padding: 20px 22px;
}
.adu-ref h3 { margin: 0 0 10px; font-size: 16px; }
.adu-ref-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.adu-ref-table th, .adu-ref-table td {
    border-bottom: 1px solid var(--adu-line);
    padding: 7px 8px;
    text-align: left;
    white-space: nowrap;
}
.adu-ref-table thead th { font-size: 12px; color: var(--adu-ink-2); border-bottom-width: 2px; }
.adu-ref-note { margin: 10px 0 0; font-size: 12px; color: var(--adu-ink-2); }

/* ============ 图文说明 ============ */
.adu-guide { margin-top: 30px; }
.adu-guide h2 { font-size: 22px; margin: 0 0 16px; }
.adu-guide-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.adu-guide-card {
    background: var(--adu-card);
    border: 1px solid var(--adu-line);
    border-radius: var(--adu-radius);
    padding: 18px 20px;
}
.adu-guide-card h3 { margin: 0 0 8px; font-size: 15.5px; }
.adu-guide-card h3 b { color: var(--adu-terra-deep); }
.adu-guide-card p { margin: 0; font-size: 14px; color: var(--adu-ink-2); }
.adu-guide-card p b { color: var(--adu-ink); }

/* ============ 响应式 ============ */
@media (max-width: 960px) {
    .adu-hero { grid-template-columns: 1fr; padding: 28px 24px; }
    .adu-calc { grid-template-columns: 1fr; }
    .adu-result-col { position: static; }
    .adu-hero-copy h1 { font-size: 28px; }
}
@media (max-width: 620px) {
    .adu-page { padding-top: 14px; }
    .adu-grid2 { grid-template-columns: 1fr; }
    .adu-guide-grid { grid-template-columns: 1fr; }
    .adu-panel { padding: 18px 16px; }
    .adu-net-num { font-size: 34px; }
    .adu-check-price { margin-left: 0; }
}

/* ============ A4 打印 ============ */
@media print {
    .adu-page { padding: 0; color: #222; }
    .adu-hero::after,
    .adu-hero-chips,
    .adu-calc .adu-input-col,
    .adu-actions,
    .adu-bill-tools,
    .adu-compare,
    .adu-guide,
    .detail-breadcrumb { display: none !important; }
    .adu-hero,
    .adu-panel,
    .adu-bill,
    .adu-ref {
        border: 1px solid #ccc !important;
        box-shadow: none !important;
        background: #fff !important;
        break-inside: avoid;
    }
    .adu-hero { grid-template-columns: 1fr; }
    .adu-readout-num,
    .adu-readout-label,
    .adu-readout-sub,
    .adu-net-num,
    .adu-bill-row-strong b,
    .adu-bill-total b { color: #111 !important; }
}