/* ===== 柠檬酸除垢 citric-acid-descaler ===== 厨房清洁卡风：柠檬黄白底 + 深黄 #b98a00 × 灰绿 #4a6151 */
.acd-page {
    --acd-bg: #fbf9ee;
    --acd-surface: #ffffff;
    --acd-surface2: #f5f0da;
    --acd-line: #eae2c4;
    --acd-ink: #3a3524;
    --acd-dim: #8a8265;
    --acd-lemon: #c9a227;
    --acd-deep: #8f7208;
    --acd-sage: #4a6151;
    --acd-bad: #b0503f;
    --acd-good: #4d8a5f;
    background: var(--acd-bg);
    color: var(--acd-ink);
    border-radius: 16px;
    padding: 0 0 30px;
    overflow: hidden;
    border: 1px solid var(--acd-line);
}
.acd-inner { padding: 30px 34px 0; }

.acd-hero { display: grid; grid-template-columns: 1.35fr .95fr; gap: 26px; align-items: center; }
.acd-kicker { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 700; letter-spacing: .14em; color: var(--acd-deep); margin-bottom: 12px; }
.acd-kicker::before { content: ""; width: 22px; height: 3px; background: var(--acd-lemon); border-radius: 2px; }
.acd-hero h1 { font-size: 34px; font-weight: 800; margin: 0 0 10px; color: var(--acd-ink); }
.acd-hero-sub { color: var(--acd-dim); line-height: 1.9; margin: 0 0 14px; font-size: 15px; }
.acd-hero-sub b { color: var(--acd-deep); }
.acd-chips { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; }
.acd-chips li { font-size: 12.5px; color: var(--acd-sage); background: var(--acd-surface); border: 1px solid var(--acd-line); border-radius: 999px; padding: 4px 11px; font-weight: 600; }

/* 水杯可视化 */
.acd-cup { background: var(--acd-surface); border: 1px solid var(--acd-line); border-radius: 14px; padding: 20px 20px 14px; text-align: center; box-shadow: 0 1px 3px rgba(58, 53, 36, .06); }
.acd-cup-glass { position: relative; width: 110px; height: 140px; margin: 0 auto; border: 3px solid var(--acd-line); border-top: 5px solid var(--acd-line); border-radius: 6px 6px 16px 16px; background: var(--acd-surface2); overflow: hidden; }
.acd-cup-water { position: absolute; bottom: 0; left: 0; right: 0; height: 72%; background: linear-gradient(180deg, #fdf6d8, #f3e6a8); }
.acd-cup-spoons { position: absolute; top: 8px; left: 0; right: 0; display: flex; flex-direction: column; gap: 4px; align-items: center; }
.acd-spoon { font-size: 10.5px; font-weight: 700; color: #fff; background: var(--acd-lemon); border-radius: 999px; padding: 2px 9px; }
.acd-cup-scale { position: absolute; right: 6px; top: 12%; height: 76%; display: flex; flex-direction: column; justify-content: space-between; }
.acd-cup-scale span { display: block; width: 10px; height: 2px; background: var(--acd-line); }
.acd-cup-num { margin-top: 14px; }
.acd-cup-num span { font-size: 44px; font-weight: 800; color: var(--acd-deep); font-variant-numeric: tabular-nums; }
.acd-cup-num em { font-style: normal; font-size: 13px; color: var(--acd-dim); margin-left: 6px; }
.acd-cup-tag { font-size: 12.5px; color: var(--acd-dim); margin: 4px 0 0; min-height: 18px; }

/* 面板 */
.acd-main { display: grid; grid-template-columns: 1.15fr .85fr; gap: 16px; margin-top: 24px; }
.acd-panel { background: var(--acd-surface); border: 1px solid var(--acd-line); border-radius: 14px; padding: 20px 22px; box-shadow: 0 1px 3px rgba(58, 53, 36, .04); }
.acd-panel-head { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.acd-step { width: 24px; height: 24px; border-radius: 7px; background: var(--acd-sage); color: #fff; font-weight: 700; font-size: 12.5px; display: inline-flex; align-items: center; justify-content: center; flex: none; }
.acd-panel-head h2 { margin: 0; font-size: 16.5px; }
.acd-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.acd-field span { display: block; font-size: 12.5px; color: var(--acd-dim); margin-bottom: 5px; font-weight: 600; }
.acd-field input, .acd-field select { width: 100%; box-sizing: border-box; background: var(--acd-surface2); border: 1px solid var(--acd-line); border-radius: 8px; color: var(--acd-ink); padding: 9px 11px; font-size: 15px; font-variant-numeric: tabular-nums; }
.acd-field input:focus, .acd-field select:focus { outline: 2px solid rgba(201, 162, 39, .25); border-color: var(--acd-lemon); }
.acd-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.acd-btn { border: 1px solid var(--acd-deep); background: var(--acd-deep); color: #fff; border-radius: 8px; padding: 9px 18px; font-size: 14px; font-weight: 600; cursor: pointer; }
.acd-btn:hover { background: #7a6106; }
.acd-btn-copy { background: transparent; color: var(--acd-deep); }
.acd-btn-copy:hover { background: rgba(143, 114, 8, .07); }
.acd-btn-dl { background: transparent; border-color: var(--acd-line); color: var(--acd-dim); font-weight: 500; }
.acd-err { color: var(--acd-bad); font-size: 13px; margin: 10px 0 0; }

.acd-result { margin: 0; }
.acd-result > div { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 1px dashed var(--acd-line); padding: 8px 0; }
.acd-result > div:last-child { border-bottom: 0; }
.acd-result dt { color: var(--acd-dim); font-size: 13px; }
.acd-result dd { margin: 0; font-size: 15px; font-weight: 700; font-variant-numeric: tabular-nums; }
.acd-result dd b { font-size: 26px; color: var(--acd-deep); }
.acd-note { font-size: 12.5px; color: var(--acd-dim); line-height: 1.8; margin: 10px 0 0; }

/* 四步流程 */
.acd-steps { margin-top: 16px; }
.acd-steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.acd-stepcard { background: var(--acd-surface2); border: 1px solid var(--acd-line); border-radius: 10px; padding: 12px 14px; }
.acd-stepcard h4 { margin: 0 0 5px; font-size: 13.5px; color: var(--acd-sage); display: flex; align-items: center; gap: 7px; }
.acd-stepcard h4 i { font-style: normal; width: 19px; height: 19px; border-radius: 50%; background: var(--acd-lemon); color: #fff; font-size: 11px; display: inline-flex; align-items: center; justify-content: center; flex: none; }
.acd-stepcard p { margin: 0; font-size: 12.5px; color: var(--acd-dim); line-height: 1.75; }
.acd-warn { font-size: 12.5px; color: var(--acd-bad); margin: 12px 0 0; line-height: 1.8; }

/* 阶梯表 */
.acd-table { margin-top: 24px; background: var(--acd-surface); border: 1px solid var(--acd-line); border-radius: 14px; padding: 20px 22px; }
.acd-table h2 { font-size: 17px; margin: 0 0 6px; }
.acd-table-sub { font-size: 13px; color: var(--acd-dim); margin: 0 0 12px; }
.acd-table-scroll { overflow-x: auto; }
.acd-table table { width: 100%; border-collapse: collapse; font-size: 13.5px; font-variant-numeric: tabular-nums; }
.acd-table th { background: var(--acd-sage); color: #fff; font-weight: 600; padding: 8px 10px; text-align: center; white-space: nowrap; }
.acd-table th:first-child { text-align: left; }
.acd-table td { border-top: 1px solid var(--acd-line); padding: 7px 10px; text-align: center; color: var(--acd-ink); }
.acd-table td:first-child { text-align: left; font-weight: 600; }

/* 批量 */
.acd-batch { margin-top: 24px; }
.acd-batch textarea { width: 100%; box-sizing: border-box; background: var(--acd-surface2); border: 1px solid var(--acd-line); border-radius: 8px; color: var(--acd-ink); padding: 10px 12px; font-size: 14px; font-family: Consolas, monospace; resize: vertical; }
.acd-batch-tip { font-size: 13px; color: var(--acd-dim); margin: 0 0 8px; }
.acd-batch-out { margin-top: 14px; overflow-x: auto; }
.acd-batch-out table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.acd-batch-out th { background: var(--acd-surface2); padding: 7px 10px; color: var(--acd-dim); text-align: left; white-space: nowrap; }
.acd-batch-out td { border-top: 1px solid var(--acd-line); padding: 6px 10px; }

/* 禁忌 */
.acd-risk { margin-top: 24px; }
.acd-risk h2 { font-size: 18px; margin: 0 0 12px; }
.acd-risk-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.acd-risk-card { border-radius: 10px; padding: 14px 16px; border: 1px solid var(--acd-line); background: var(--acd-surface); }
.acd-risk-card.acd-ok { border-left: 3px solid var(--acd-good); }
.acd-risk-card.acd-mid { border-left: 3px solid var(--acd-lemon); }
.acd-risk-card.acd-no { border-left: 3px solid var(--acd-bad); }
.acd-risk-card.acd-tip { border-left: 3px solid var(--acd-sage); }
.acd-risk-card h3 { margin: 0 0 6px; font-size: 14.5px; }
.acd-risk-card p { margin: 0; font-size: 13px; color: var(--acd-dim); line-height: 1.85; }
.acd-risk-card b { color: var(--acd-ink); }
.acd-ok b { color: var(--acd-good); }
.acd-no b { color: var(--acd-bad); }

.acd-toast { position: fixed; left: 50%; bottom: 34px; transform: translateX(-50%) translateY(16px); background: var(--acd-deep); color: #fff; border-radius: 9px; padding: 10px 22px; font-size: 14px; font-weight: 600; opacity: 0; pointer-events: none; transition: opacity .22s ease, transform .22s ease; z-index: 99; }
.acd-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 900px) {
    .acd-inner { padding: 24px 18px 0; }
    .acd-hero { grid-template-columns: 1fr; }
    .acd-main { grid-template-columns: 1fr; }
}

/* 深色：夜间厨房 */
:root[data-theme="dark"] .acd-page, :root[data-theme="dark"] .acd-toast {
    --acd-bg: #191708;
    --acd-surface: #221f10;
    --acd-surface2: #2d2917;
    --acd-line: #403a20;
    --acd-ink: #f2edd8;
    --acd-dim: #b1a887;
    --acd-lemon: #e0bb35;
    --acd-deep: #eccf5e;
    --acd-sage: #7fa08c;
    --acd-bad: #d97a5f;
    --acd-good: #7fbf8f;
}
:root[data-theme="dark"] .acd-step { background: var(--acd-lemon); color: #241d04; }
:root[data-theme="dark"] .acd-btn { background: var(--acd-lemon); border-color: var(--acd-lemon); color: #241d04; }
:root[data-theme="dark"] .acd-btn:hover { background: #ecca55; }
:root[data-theme="dark"] .acd-btn-copy { background: transparent; color: var(--acd-deep); }
:root[data-theme="dark"] .acd-table th { background: #2d2917; color: #e6dcae; }
:root[data-theme="dark"] .acd-cup-water { background: linear-gradient(180deg, #4a4423, #6b6229); }