:root {
  --bg: #f7f6f3;
  --panel: #fff;
  --ink: #14120e;
  --muted: #6b6560;
  --line: #e8e4de;
  --accent: #0f172a;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, system-ui, sans-serif; background: var(--bg); color: var(--ink); }
.app { display: grid; grid-template-columns: 240px 1fr; height: 100vh; }
.rail { background: #fff; border-right: 1px solid var(--line); padding: 20px 16px; display: flex; flex-direction: column; }
.brand { display: flex; align-items: center; gap: 10px; margin-bottom: 28px; }
.brand img { width: 36px; height: 36px; border-radius: 8px; }
.brand h1 { margin: 0; font-size: 1.15rem; }
.brand p { margin: 2px 0 0; font-size: 0.75rem; color: var(--muted); }
.rail-nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.rail-nav button { text-align: left; padding: 10px 12px; border: none; background: transparent; border-radius: 8px; cursor: pointer; }
.rail-nav button.active { background: #f1efe9; font-weight: 600; }
.rail-foot { font-size: 0.85rem; }
.rail-foot a { color: var(--accent); text-decoration: none; }
/* 印刷标签入口：与导航按钮同高，但用描边强调「另一个工作区」 */
.rail-link { display: flex; align-items: center; gap: 10px; margin: 10px 0 14px; padding: 10px 12px;
  border: 1px dashed var(--line); border-radius: 10px; text-decoration: none; color: var(--ink); }
.rail-link svg { width: 18px; height: 18px; flex: none; color: var(--accent); }
.rail-link span { display: flex; flex-direction: column; font-size: 0.9rem; line-height: 1.25; }
.rail-link em { font-style: normal; font-size: 0.72rem; color: var(--muted); }
.rail-link:hover { border-color: var(--accent); background: #fbfaf7; }
.main { padding: 24px 28px; overflow: auto; }
.view { display: none; }
.view.active { display: block; }
.head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
h2 { margin: 0; font-size: 1.4rem; }
.sub { color: var(--muted); margin-top: 4px; }
.btn { padding: 8px 16px; border: 1px solid var(--line); background: #fff; border-radius: 8px; cursor: pointer; }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.product-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 16px; cursor: pointer; }
.product-card:hover { border-color: #ccc; }
.product-card .badge { font-size: 0.7rem; padding: 2px 8px; background: #f1efe9; border-radius: 4px; }
.product-card h3 { margin: 8px 0 4px; font-size: 1rem; }
.product-card p { margin: 0; font-size: 0.85rem; color: var(--muted); }
.editor-layout { display: grid; grid-template-columns: 1fr 380px; gap: 24px; }
.platform-tabs { display: flex; gap: 8px; margin-bottom: 18px; }
.platform-tabs button { padding: 8px 14px; border: 1px solid var(--line); background: #fff; border-radius: 20px; cursor: pointer; }
.platform-tabs button.active { background: var(--accent); color: #fff; }
.form-grid { display: grid; gap: 12px; }
label { font-size: 0.82rem; font-weight: 600; display: block; margin-bottom: 4px; }
input, textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; font-size: 0.92rem; }
.char-count { font-size: 0.75rem; color: var(--muted); text-align: right; }
.char-count.warn { color: #b45309; }
.char-count.over { color: #dc2626; }
.preview-panel { position: sticky; top: 20px; }
.preview-label { font-size: 0.8rem; font-weight: 600; color: var(--muted); margin-bottom: 8px; }
.listing-card { border: 1px solid var(--line); border-radius: 16px; background: #fff; overflow: hidden; }
.listing-img { height: 180px; background: #f3f1ec; display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: 0.85rem; }
.listing-body { padding: 16px; }
.badge { display: inline-block; font-size: 0.7rem; padding: 2px 8px; background: #f1efe9; border-radius: 4px; }
.listing-body h3 { margin: 8px 0; font-size: 1rem; }
.price { font-weight: 700; font-size: 1.15rem; margin-bottom: 10px; }
.listing-body ul { margin: 0; padding-left: 18px; font-size: 0.85rem; }
.note { font-size: 0.75rem; color: var(--muted); margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line); }
@media (max-width: 1100px) {
  .app { grid-template-columns: 1fr; }
  .rail { display: none; }
  .editor-layout { grid-template-columns: 1fr; }
}