:root {
  --bg: #f6f7f4;
  --card: #ffffff;
  --ink: #24312b;
  --muted: #6b7a72;
  --brand: #2f8f6b;
  --brand-dark: #247355;
  --accent: #e8a33d;
  --line: #e3e8e4;
  --danger: #c2574f;
  --radius: 14px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  font-size: 16px;
}

header {
  background: linear-gradient(135deg, var(--brand-dark), var(--brand));
  color: #fff;
  padding: 28px 20px 22px;
  text-align: center;
}
header h1 { margin: 0; font-size: 22px; letter-spacing: .5px; }
header .sub { margin: 6px 0 0; opacity: .9; font-size: 14px; }

.tabs {
  display: flex;
  max-width: 860px;
  margin: 16px auto 0;
  padding: 0 16px;
  gap: 8px;
}
.tab {
  flex: 1;
  padding: 12px;
  font-size: 16px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  border-radius: 10px;
  cursor: pointer;
}
.tab.active { background: var(--brand); color: #fff; border-color: var(--brand); font-weight: 600; }

main { max-width: 860px; margin: 12px auto 60px; padding: 0 16px; }
.view { display: none; }
.view.active { display: block; }

/* 今日菜单 */
.day-picker { display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0; }
.day-picker button {
  min-width: 56px; padding: 8px 10px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--card); cursor: pointer; font-size: 14px;
}
.day-picker button.active { background: var(--brand); color: #fff; border-color: var(--brand); }

.meal { background: var(--card); border-radius: var(--radius); padding: 14px 16px; margin-bottom: 12px; box-shadow: 0 1px 3px rgba(0,0,0,.05); }
.meal h3 { margin: 0 0 10px; font-size: 16px; color: var(--brand-dark); }

.dish { border-top: 1px dashed var(--line); padding: 10px 0; }
.dish:first-of-type { border-top: none; padding-top: 0; }
.dish-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.dish-name { font-weight: 600; font-size: 17px; }
.tag { font-size: 12px; background: #eef4f0; color: var(--brand-dark); padding: 2px 8px; border-radius: 20px; }
.note { color: var(--accent); font-size: 13px; margin-top: 4px; }
.stars { margin-top: 6px; display: flex; gap: 2px; }
.star { background: none; border: none; font-size: 22px; cursor: pointer; color: #cbd4cf; padding: 0 2px; }
.star.on { color: var(--accent); }
.rating-msg { font-size: 12px; color: var(--muted); min-height: 16px; margin-top: 2px; }
.hint { color: var(--muted); font-size: 13px; }

/* 月度调整表单 */
form { background: var(--card); border-radius: var(--radius); padding: 18px; box-shadow: 0 1px 3px rgba(0,0,0,.05); }
fieldset { border: 1px solid var(--line); border-radius: 10px; margin: 0 0 16px; padding: 12px 14px; }
legend { padding: 0 6px; font-weight: 600; color: var(--brand-dark); font-size: 15px; }
label { display: block; margin: 8px 0; font-size: 15px; }
input[type="text"], input[type="number"] {
  width: 100%; padding: 9px 10px; margin-top: 4px; border: 1px solid var(--line);
  border-radius: 8px; font-size: 15px;
}
.row { display: flex; gap: 12px; }
.row label { flex: 1; }
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 12px; }
.field { margin: 8px 0; }
.field-label { font-size: 15px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.chips label { display: inline-flex; align-items: center; gap: 4px; margin: 0; font-size: 14px; }
.chips input { width: auto; }
.primary {
  width: 100%; padding: 13px; font-size: 16px; font-weight: 600; color: #fff;
  background: var(--brand); border: none; border-radius: 10px; cursor: pointer;
}
.primary:hover { background: var(--brand-dark); }

/* 调整结果 */
#adjust-result h2 { font-size: 19px; margin: 20px 0 10px; }
.panel { background: var(--card); border-radius: var(--radius); padding: 14px 16px; margin-bottom: 12px; box-shadow: 0 1px 3px rgba(0,0,0,.05); }
.panel h3 { margin: 0 0 8px; font-size: 15px; color: var(--brand-dark); }
.panel ul { margin: 0; padding-left: 20px; }
.panel li { margin: 4px 0; }
.muted { color: var(--muted); }
.error { color: var(--danger); background: #fbecea; padding: 12px; border-radius: 10px; }
.mrow { font-size: 14px; margin: 4px 0; }
.day-block { border-top: 1px solid var(--line); padding: 8px 0; }
.day-block:first-child { border-top: none; }
.day-block b { color: var(--brand-dark); }

/* 购买方案 */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 14px; }
.price-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 16px; box-shadow: 0 1px 3px rgba(0,0,0,.05);
}
.price-card h3 { margin: 0 0 6px; font-size: 16px; color: var(--brand-dark); }
.price { margin: 0; font-size: 26px; font-weight: 700; color: var(--ink); }
.price-sub { margin: 2px 0 0; font-size: 13px; color: var(--muted); }
.price-card ul { margin: 10px 0 0; padding-left: 18px; font-size: 14px; }
.price-card li { margin: 4px 0; }

/* 体验提示条 */
.notice {
  background: #fdf3e0; color: #7a5a16; border: 1px solid #f0d9a8;
  border-radius: 10px; padding: 10px 14px; font-size: 14px; margin-bottom: 12px;
}
.notice b { color: var(--accent); }

/* 购买按钮 / 链接按钮 */
.btn-buy {
  width: 100%; margin-top: 12px; padding: 11px; font-size: 15px; font-weight: 600;
  color: #fff; background: var(--accent); border: none; border-radius: 10px; cursor: pointer;
}
.btn-buy:hover { background: #d18e24; }
.link-btn {
  background: none; border: none; color: var(--brand); cursor: pointer;
  font-size: 14px; text-decoration: underline; padding: 0;
}
.link-btn:hover { color: var(--brand-dark); }

/* 弹层 */
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,.45);
  display: flex; align-items: center; justify-content: center; z-index: 100; padding: 16px;
}
.modal.hidden { display: none; }
.modal-box {
  background: var(--card); border-radius: var(--radius); padding: 22px;
  max-width: 360px; width: 100%; text-align: center;
}
.modal-box h3 { margin: 0 0 8px; color: var(--brand-dark); }
.modal-box p { font-size: 14px; margin: 8px 0; }
.buy-price { font-size: 24px; font-weight: 700; color: var(--ink); margin: 4px 0 10px; }
.pay-qr { width: 100%; max-width: 200px; height: auto; display: block; margin: 0 auto; border-radius: 8px; border: 1px solid var(--line); }
.buy-hint { color: var(--ink); }
.buy-hint b { color: var(--accent); }
.buy-wechat { background: #f2f5f3; border-radius: 8px; padding: 8px 10px; }
.buy-wechat b { font-size: 15px; }
.buy-note { color: var(--muted); font-size: 12px; }
.modal-box .primary { margin-top: 6px; }

@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  .row { flex-direction: column; gap: 0; }
  .pricing-grid { grid-template-columns: 1fr; }
}