/* =====================================================================
 * 51 · 宠物洗牙对照 —— 独立视觉：临床口腔检查单
 * 骨架：抬头病历卡 / 分级直选条 / 三栏检查台 / 刻度尺 / 批量台
 * 配色：薄荷青绿，深色模式由 :root[data-theme="dark"] 整体重映射
 * ===================================================================== */
.dn-page {
    --dn-mint: #0c9b86;
    --dn-mint-deep: #0a7565;
    --dn-mint-soft: #e7f5f1;
    --dn-mint-line: #bfe4dc;
    --dn-paper: #ffffff;
    --dn-paper-2: #f5faf8;
    --dn-ink: #12302b;
    --dn-ink-2: #49645f;
    --dn-ink-3: #8aa19c;
    --dn-line: #dcece8;
    --dn-amber: #a9601a;
    --dn-amber-soft: #fdf2e4;
    --dn-red: #a8453d;
    --dn-red-soft: #fbedeb;
    background: var(--hg6-c-bg);
}
:root[data-theme="dark"] .dn-page {
    --dn-mint: #4fd1b5;
    --dn-mint-deep: #83e8d3;
    --dn-mint-soft: #14312c;
    --dn-mint-line: #2c5049;
    --dn-paper: var(--hg6-paper);
    --dn-paper-2: var(--hg6-paper-2);
    --dn-ink: var(--hg6-ink);
    --dn-ink-2: var(--hg6-ink-2);
    --dn-ink-3: var(--hg6-ink-3);
    --dn-line: var(--hg6-line);
    --dn-amber: #e9b169;
    --dn-amber-soft: #332617;
    --dn-red: #f0958c;
    --dn-red-soft: #35201e;
}

.dn-sheet { padding-top: 22px; }
.dn-page h1, .dn-page h2, .dn-page h3 { font-family: var(--hg6-font); letter-spacing: var(--hg6-tracking); color: var(--dn-ink); }
.dn-page p { font-size: var(--hg6-fz-body); line-height: var(--hg6-lh); color: var(--dn-ink-2); }
.dn-page b { color: var(--dn-ink); }
.dn-page small { font-size: var(--hg6-fz-xs); color: var(--dn-ink-3); font-weight: 400; }
.dn-page code { font: 500 12.5px/1.6 var(--hg6-num); background: var(--dn-mint-soft); color: var(--dn-mint-deep); padding: 1px 5px; border-radius: 4px; }

/* ---------- 首屏抬头：左侧叙事 + 右侧病历图表 ---------- */
.dn-hero {
    display: grid; grid-template-columns: minmax(0, 1fr) 292px; gap: 34px;
    padding: 34px 36px 32px; border: 1px solid var(--dn-line);
    border-top: 4px solid var(--dn-mint);
    border-radius: var(--hg6-r-l); background: var(--dn-paper);
    box-shadow: var(--hg6-sh-2);
    background-image: linear-gradient(125deg, var(--dn-mint-soft) 0%, transparent 46%);
}
:root[data-theme="dark"] .dn-hero { background-image: linear-gradient(125deg, rgba(79, 209, 181, .09) 0%, transparent 46%); }
.dn-kicker { display: inline-block; font: 600 11px/1.4 var(--hg6-num); letter-spacing: .16em; text-transform: uppercase; color: var(--dn-mint-deep); }
.dn-hero h1 { font-size: var(--hg6-fz-h1); font-weight: 780; line-height: 1.28; margin: 14px 0 15px; }
.dn-lead { font-size: var(--hg6-fz-lead) !important; line-height: 1.9 !important; max-width: 60ch; margin: 0 0 20px; }
.dn-lead b { border-bottom: 2px solid var(--dn-mint-line); }
.dn-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.dn-chips span {
    display: inline-flex; align-items: center; gap: 7px; font-size: var(--hg6-fz-sm);
    padding: 6px 12px; border: 1px solid var(--dn-mint-line); border-radius: 999px;
    background: var(--dn-paper); color: var(--dn-ink-2);
}
.dn-chips i { width: 6px; height: 6px; border-radius: 50%; background: var(--dn-mint); }
.dn-hero-chart {
    align-self: stretch; border: 1px dashed var(--dn-mint-line); border-radius: var(--hg6-r-m);
    background: var(--dn-paper-2); padding: 14px 15px; display: flex; flex-direction: column;
    min-height: 186px; color: var(--dn-mint-deep);
}
.dn-chart-hd, .dn-chart-ft { display: flex; justify-content: space-between; font: 600 10px/1.4 var(--hg6-num); letter-spacing: .12em; color: var(--dn-ink-3); }
.dn-chart-ft { margin-top: auto; padding-top: 9px; border-top: 1px solid var(--dn-line); }
.dn-chart-ft span:last-child { color: var(--dn-mint-deep); font-weight: 700; letter-spacing: 0; }
.dn-teeth { width: 100%; flex: 1; margin: 8px 0; }
.dn-plaque path { stroke: var(--dn-amber); stroke-linecap: round; fill: none; opacity: .85; }

/* ---------- 首屏操作入口：分级直选 ---------- */
.dn-quick {
    margin-top: 16px; padding: 24px 28px 26px; border-radius: var(--hg6-r-l);
    border: 1px solid var(--dn-line); background: var(--dn-paper); box-shadow: var(--hg6-sh-1);
}
.dn-quick-hd { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.dn-quick-hd h2 { font-size: var(--hg6-fz-h2); font-weight: 720; display: flex; align-items: center; gap: 10px; }
.dn-idx { font: 700 11px/1 var(--hg6-num); letter-spacing: .06em; color: var(--dn-paper); background: var(--dn-mint); border-radius: 5px; padding: 5px 6px; }
.dn-grades { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.dn-grade {
    position: relative; text-align: left; cursor: pointer; padding: 14px 15px 13px;
    border: 1px solid var(--dn-line); border-radius: var(--hg6-r-m);
    background: var(--dn-paper-2); color: var(--dn-ink); font-family: var(--hg6-font);
    transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.dn-grade:hover { transform: translateY(-2px); border-color: var(--dn-mint-line); box-shadow: var(--hg6-sh-2); }
.dn-grade em { display: block; font: 700 27px/1 var(--hg6-num); color: var(--dn-mint-deep); margin-bottom: 8px; font-style: normal; }
.dn-grade b { display: block; font-size: 15px; font-weight: 700; }
.dn-grade small { display: block; margin-top: 3px; }
.dn-grade::after { content: ''; position: absolute; left: 15px; right: 15px; bottom: 0; height: 3px; background: var(--dn-mint); border-radius: 3px 3px 0 0; transform: scaleX(0); transition: transform .2s ease; }
.dn-grade.is-on { background: var(--dn-mint-soft); border-color: var(--dn-mint); }
.dn-grade.is-on::after { transform: scaleX(1); }
.dn-act { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 20px; }
.dn-btn {
    font: 600 14px/1.4 var(--hg6-font); cursor: pointer; padding: 10px 20px;
    border: 1px solid var(--dn-mint-line); border-radius: 10px;
    background: var(--dn-paper); color: var(--dn-mint-deep); transition: all .18s ease;
}
.dn-btn:hover { background: var(--dn-mint-soft); border-color: var(--dn-mint); }
.dn-btn:disabled { opacity: .55; cursor: not-allowed; }
.dn-btn--main { background: var(--dn-mint); border-color: var(--dn-mint); color: #fff; box-shadow: 0 6px 16px rgba(12, 155, 134, .22); }
.dn-btn--main:hover { background: var(--dn-mint-deep); border-color: var(--dn-mint-deep); color: #fff; }
.dn-btn--quiet { border-color: var(--dn-line); color: var(--dn-ink-2); }
.dn-btn--warm { background: var(--dn-amber); border-color: var(--dn-amber); color: #fff; }
.dn-btn--warm:hover { filter: brightness(1.08); background: var(--dn-amber); color: #fff; }
.dn-demo { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-left: auto; }
.dn-demo span { font-size: var(--hg6-fz-xs); color: var(--dn-ink-3); margin-right: 2px; }
.dn-demo button {
    font: 500 12px/1.3 var(--hg6-font); padding: 5px 10px; cursor: pointer;
    border: 1px dashed var(--dn-mint-line); border-radius: 999px;
    background: transparent; color: var(--dn-ink-2);
}
.dn-demo button:hover { background: var(--dn-mint-soft); border-style: solid; }
.dn-err { margin-top: 12px; font-size: var(--hg6-fz-sm); color: var(--dn-red); min-height: 0; }
.dn-err:not(:empty) { background: var(--dn-red-soft); border-left: 3px solid var(--dn-red); padding: 9px 12px; border-radius: 0 8px 8px 0; }

/* ---------- 三栏检查台 ---------- */
.dn-grid { display: grid; grid-template-columns: 1fr 1.12fr .88fr; gap: var(--hg6-gap); margin-top: var(--hg6-gap); align-items: start; }
.dn-card {
    border: 1px solid var(--dn-line); border-radius: var(--hg6-r-l);
    background: var(--dn-paper); padding: 22px 22px 24px; box-shadow: var(--hg6-sh-1);
    min-width: 0;
}
.dn-card-hd { display: flex; align-items: center; gap: 10px; padding-bottom: 14px; margin-bottom: 16px; border-bottom: 1px solid var(--dn-line); }
.dn-card-hd h2 { font-size: 17px; font-weight: 720; margin: 0; }
.dn-card-hd small { margin-left: auto; }
.dn-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.dn-field { display: block; min-width: 0; }
.dn-field > span { display: block; font-size: var(--hg6-fz-sm); font-weight: 600; color: var(--dn-ink-2); margin-bottom: 6px; }
.dn-field select, .dn-field input, .dn-page textarea {
    width: 100%; font: 500 14px/1.5 var(--hg6-font); color: var(--dn-ink);
    background: var(--dn-paper-2); border: 1px solid var(--dn-line);
    border-radius: 9px; padding: 9px 10px; outline: none;
}
.dn-field select:focus, .dn-field input:focus, .dn-page textarea:focus { border-color: var(--dn-mint); box-shadow: 0 0 0 3px var(--dn-mint-soft); }
.dn-checks { margin-top: 18px; padding-top: 15px; border-top: 1px dashed var(--dn-line); }
.dn-checks p { font-size: var(--hg6-fz-sm); font-weight: 600; color: var(--dn-ink); margin-bottom: 9px; }
.dn-checks p small { margin-left: 6px; }
.dn-checks label { display: inline-flex; align-items: center; gap: 6px; width: 48%; font-size: var(--hg6-fz-sm); color: var(--dn-ink-2); margin-bottom: 8px; cursor: pointer; }
.dn-checks input { accent-color: var(--dn-mint); }

.dn-verdict { padding: 16px 17px; border-radius: var(--hg6-r-m); background: var(--dn-mint-soft); border: 1px solid var(--dn-mint-line); }
.dn-v-label { display: block; font: 600 10.5px/1.4 var(--hg6-num); letter-spacing: .12em; color: var(--dn-mint-deep); text-transform: uppercase; }
.dn-verdict strong { display: block; font-size: 19px; line-height: 1.45; margin: 6px 0 7px; color: var(--dn-ink); }
.dn-verdict p { margin: 0; font-size: var(--hg6-fz-sm); }
.dn-cost { margin-top: 16px; }
.dn-cost-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 9px; }
.dn-cost-head span { font-size: var(--hg6-fz-sm); color: var(--dn-ink-2); font-weight: 600; }
.dn-cost-head b { font: 700 21px/1.3 var(--hg6-num); color: var(--dn-mint-deep); }
.dn-cost-table { width: 100%; border-collapse: collapse; font-size: var(--hg6-fz-sm); }
.dn-cost-table td { border-bottom: 1px dashed var(--dn-line); padding: 7px 2px; color: var(--dn-ink-2); }
.dn-cost-table td:last-child { text-align: right; font-family: var(--hg6-num); color: var(--dn-ink); white-space: nowrap; }
.dn-warns { margin-top: 14px; display: grid; gap: 7px; }
.dn-warn { font-size: var(--hg6-fz-sm); line-height: 1.7; padding: 8px 11px; border-radius: 8px; background: var(--dn-amber-soft); color: var(--dn-amber); border-left: 3px solid var(--dn-amber); }
.dn-warn--red { background: var(--dn-red-soft); color: var(--dn-red); border-left-color: var(--dn-red); }
.dn-care { margin-top: 17px; padding-top: 15px; border-top: 1px dashed var(--dn-line); }
.dn-care h3 { font-size: 15px; margin-bottom: 9px; }
.dn-care ol { margin: 0; padding-left: 19px; }
.dn-care li { font-size: var(--hg6-fz-sm); line-height: 1.9; color: var(--dn-ink-2); margin-bottom: 3px; }

.dn-ruler { padding: 10px 4px 0; }
.dn-ruler-bar { height: 11px; border-radius: 999px; background: var(--dn-paper-2); border: 1px solid var(--dn-line); overflow: hidden; }
.dn-ruler-bar span { display: block; height: 100%; width: 0; border-radius: 999px; background: linear-gradient(90deg, var(--dn-mint) 0%, var(--dn-amber) 72%, var(--dn-red) 100%); transition: width .4s ease; }
.dn-ruler-ticks { display: flex; justify-content: space-between; margin-top: 7px; }
.dn-ruler-ticks i { font: 600 11px/1 var(--hg6-num); color: var(--dn-ink-3); font-style: normal; }
.dn-scale-list { margin: 17px 0 0; }
.dn-scale-list dt { font: 700 12px/1.4 var(--hg6-num); color: var(--dn-mint-deep); margin-top: 11px; }
.dn-scale-list dd { margin: 3px 0 0; font-size: var(--hg6-fz-sm); line-height: 1.75; color: var(--dn-ink-2); }
.dn-method-diff { margin-top: 19px; padding-top: 15px; border-top: 1px dashed var(--dn-line); }
.dn-method-diff h3 { font-size: 14px; margin-bottom: 8px; }
.dn-method-diff p { font-size: var(--hg6-fz-sm); margin-bottom: 7px; }

/* ---------- 批量 ---------- */
.dn-batch, .dn-ai, .dn-read { margin-top: var(--hg6-gap); }
.dn-batch-tip { margin-bottom: 12px; }
.dn-page textarea { resize: vertical; line-height: 1.75; font-family: var(--hg6-num); font-size: 13px; }
.dn-batch-act { display: flex; flex-wrap: wrap; gap: 10px; margin: 13px 0 15px; }
.dn-table-wrap { overflow-x: auto; border: 1px solid var(--dn-line); border-radius: var(--hg6-r-m); }
.dn-table-wrap table { width: 100%; border-collapse: collapse; font-size: var(--hg6-fz-sm); min-width: 640px; }
.dn-table-wrap th { background: var(--dn-mint-soft); color: var(--dn-mint-deep); font-weight: 700; text-align: left; }
.dn-table-wrap th, .dn-table-wrap td { padding: 9px 11px; border-bottom: 1px solid var(--dn-line); white-space: nowrap; }
.dn-table-wrap td { color: var(--dn-ink-2); }
.dn-table-wrap tr:last-child td { border-bottom: none; }
.dn-empty { padding: 16px; margin: 0; text-align: center; color: var(--dn-ink-3); }

/* ---------- AI / 阅读区 / 脚注 ---------- */
.dn-ai { display: grid; grid-template-columns: 1.25fr .75fr; gap: 26px; border-left: 4px solid var(--dn-amber); }
.dn-ai h2 { font-size: 18px; margin: 8px 0 9px; }
.dn-ai p { margin: 0; }
.dn-ai-r { display: flex; flex-direction: column; gap: 12px; }
.dn-ai-out {
    flex: 1; min-height: 88px; padding: 13px 14px; border-radius: var(--hg6-r-m);
    background: var(--dn-paper-2); border: 1px dashed var(--dn-line);
    font-size: var(--hg6-fz-sm); line-height: 1.85; color: var(--dn-ink-2); white-space: pre-wrap;
}
.dn-read { padding: 0 2px; }
.dn-read-hd { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.dn-read-hd h2 { font-size: var(--hg6-fz-h2); }
.dn-read-hd span { font-size: var(--hg6-fz-xs); color: var(--dn-ink-3); }
.dn-read-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.dn-read-grid p { margin: 0; padding: 17px 19px; border-radius: var(--hg6-r-m); background: var(--dn-paper); border: 1px solid var(--dn-line); }
.dn-read-grid p b { border-bottom: 2px solid var(--dn-mint-line); }
.dn-foot { margin: 22px 2px 0; font-size: var(--hg6-fz-sm) !important; line-height: 1.85; color: var(--dn-ink-3) !important; }

@media (max-width: 1000px) {
    .dn-grid { grid-template-columns: 1fr 1fr; }
    .dn-scale { grid-column: 1 / -1; }
    .dn-hero { grid-template-columns: 1fr; }
    .dn-hero-chart { min-height: 150px; }
}
@media (max-width: 720px) {
    .dn-hero, .dn-quick { padding: 22px 18px; border-radius: var(--hg6-r-m); }
    .dn-grades { grid-template-columns: 1fr 1fr; }
    .dn-grid, .dn-read-grid, .dn-ai { grid-template-columns: 1fr; }
    .dn-card { padding: 18px 16px 20px; }
    .dn-demo { margin-left: 0; width: 100%; }
    .dn-quick-hd h2 { font-size: 18px; }
}