/* ============================================================
 * 个人所得税申报计算模型  style.css
 * 泰康橙绿体系 · 卡片式版式 · 响应式
 * ============================================================ */
:root {
  --tk-orange: #e8590c;
  --tk-orange-deep: #c2410c;
  --tk-orange-light: #f97316;
  --tk-green: #0b8a4c;
  --tk-green-deep: #06703d;
  --tk-green-light: #e6f4ec;
  --bg: #f5f6f8;
  --card: #ffffff;
  --border: #e5e7eb;
  --text: #1f2937;
  --muted: #6b7280;
  --red: #e0533d;
  --radius: 12px;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 928px; margin: 0 auto; padding: 16px 14px 60px; }

/* ---------- 标题横幅 ---------- */
.titlebar {
  background: linear-gradient(135deg, #c2410c 0%, #e8590c 50%, #f97316 100%);
  color: #fff;
  border-radius: 14px;
  padding: 22px 24px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
}
.titlebar h1 { margin: 0; font-size: 24px; font-weight: 700; letter-spacing: 0.5px; }
.titlebar .sub { margin: 6px 0 0; font-size: 13px; opacity: 0.92; }

/* ---------- 顶部条（年份 + 导航） ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 10px; margin-bottom: 14px;
}
.yearbar { display: flex; align-items: center; gap: 8px; background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 8px 12px; box-shadow: var(--shadow); }
.yearbar label { font-size: 13px; color: var(--muted); }
.yearbar select { font-size: 14px; padding: 5px 8px; border: 1px solid var(--border); border-radius: 6px; background: #fff; color: var(--text); }
.navtabs { display: flex; gap: 8px; }
.navtabs a {
  text-decoration: none; font-size: 14px; font-weight: 600;
  padding: 8px 16px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--card); color: var(--text); box-shadow: var(--shadow);
}
.navtabs a.active { background: var(--tk-green); border-color: var(--tk-green); color: #fff; }
.navtabs a:hover:not(.active) { border-color: var(--tk-green); color: var(--tk-green); }

/* ---------- 卡片 ---------- */
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 16px 18px; margin-bottom: 14px;
}
.card .card-title {
  font-size: 16px; font-weight: 700; color: var(--tk-green-deep);
  margin: 0 0 12px; padding-bottom: 8px; border-bottom: 2px solid var(--tk-green-light);
}
.card .card-title .tag { font-size: 12px; font-weight: 500; color: var(--muted); margin-left: 8px; }

/* ---------- 输入网格 ---------- */
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.grid.cols2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.field { display: flex; flex-direction: column; gap: 4px; }
.field label { font-size: 12.5px; color: var(--muted); }
.field input, .field select {
  font-size: 15px; padding: 8px 10px; border: 1px solid var(--border);
  border-radius: 7px; background: #fff; color: var(--text); width: 100%;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--tk-green); box-shadow: 0 0 0 2px rgba(11, 138, 76, 0.12); }
.field .hint { font-size: 11.5px; color: var(--muted); }
.field .std { font-size: 11.5px; color: var(--tk-orange); }
.field input.invalid { border-color: var(--red); }

/* 扣除项行 */
.deduct-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.deduct-item {
  border: 1px solid var(--border); border-radius: 9px; padding: 10px 12px;
  background: #fbfcfd;
}
.deduct-item.disabled { opacity: 0.5; }
.deduct-head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.deduct-head .name { font-size: 13.5px; font-weight: 600; flex: 1; }
.deduct-head .std { font-size: 11.5px; color: var(--muted); white-space: nowrap; }
.deduct-body { display: flex; align-items: center; gap: 8px; }
.deduct-body input { font-size: 14px; padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px; width: 70px; text-align: right; }
.deduct-body input.months { width: 56px; }
.deduct-body .sep { color: var(--muted); font-size: 12px; }
.deduct-body .annual { font-size: 13px; font-weight: 700; color: var(--tk-orange); margin-left: auto; white-space: nowrap; }
.switch { position: relative; width: 34px; height: 20px; flex: none; }
.switch input { display: none; }
.switch .slider { position: absolute; inset: 0; background: #d1d5db; border-radius: 20px; transition: 0.2s; }
.switch .slider::before { content: ""; position: absolute; width: 16px; height: 16px; left: 2px; top: 2px; background: #fff; border-radius: 50%; transition: 0.2s; }
.switch input:checked + .slider { background: var(--tk-green); }
.switch input:checked + .slider::before { transform: translateX(14px); }

/* ---------- 结果区 ---------- */
.results { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.res-card { border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; background: #fbfcfd; }
.res-card.best { border-color: var(--tk-green); background: var(--tk-green-light); box-shadow: 0 0 0 1px var(--tk-green) inset; }
.res-card h3 { margin: 0 0 10px; font-size: 15px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.res-card h3 .badge { font-size: 11px; padding: 2px 8px; border-radius: 10px; background: var(--tk-green); color: #fff; }
.res-card h3 .mode-note { font-size: 11.5px; color: var(--muted); font-weight: 400; }
.res-row { display: flex; justify-content: space-between; padding: 4px 0; font-size: 13.5px; border-bottom: 1px dashed #eceef1; }
.res-row:last-child { border-bottom: none; }
.res-row .k { color: var(--muted); }
.res-row .v { font-weight: 600; font-variant-numeric: tabular-nums; }
.res-row .v.pos { color: var(--tk-green); }
.res-row .v.neg { color: var(--red); }
.res-big { text-align: center; padding: 10px 0 4px; }
.res-big .lbl { font-size: 12px; color: var(--muted); }
.res-big .val { font-size: 28px; font-weight: 800; color: var(--tk-green); font-variant-numeric: tabular-nums; }
.res-big .val.neg { color: var(--red); }

/* 最优提示 */
.best-banner {
  margin-top: 12px; padding: 12px 14px; border-radius: 9px;
  background: var(--tk-green-light); border: 1px solid var(--tk-green);
  font-size: 14px; color: var(--tk-green-deep); font-weight: 600;
}
.best-banner.neg { background: #fdecea; border-color: var(--red); color: var(--red); }

/* 家庭合计 */
.family-sum { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 12px; }
.family-sum .cell { text-align: center; padding: 12px; border-radius: 9px; background: #fbfcfd; border: 1px solid var(--border); }
.family-sum .cell .lbl { font-size: 12px; color: var(--muted); }
.family-sum .cell .val { font-size: 22px; font-weight: 800; color: var(--tk-green); font-variant-numeric: tabular-nums; }
.family-sum .cell .val.neg { color: var(--red); }

/* 配偶卡 */
.spouse-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.spouse-card { border: 1px solid var(--border); border-radius: 10px; padding: 14px; background: #fbfcfd; }
.spouse-card .sc-title { font-size: 15px; font-weight: 700; color: var(--tk-orange-deep); margin: 0 0 10px; }

/* 共享项分配 */
.alloc-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.alloc-item { border: 1px solid var(--border); border-radius: 9px; padding: 10px 12px; }
.alloc-item .name { font-size: 13.5px; font-weight: 600; margin-bottom: 6px; }
.alloc-item .name .std { font-size: 11.5px; color: var(--muted); font-weight: 400; margin-left: 6px; }
.alloc-item .row { display: flex; align-items: center; gap: 6px; }
.alloc-item select, .alloc-item input { font-size: 13px; padding: 5px 7px; border: 1px solid var(--border); border-radius: 6px; }
.alloc-item input { width: 90px; text-align: right; }
.alloc-item .ratio { font-size: 12px; color: var(--muted); }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font-size: 14px; font-weight: 600; padding: 9px 18px; border-radius: 8px;
  border: 1px solid var(--tk-green); background: var(--tk-green); color: #fff; cursor: pointer;
  transition: 0.15s;
}
.btn:hover { background: var(--tk-green-deep); }
.btn.ghost { background: #fff; color: var(--tk-green); }
.btn.ghost:hover { background: var(--tk-green-light); }
.btn.orange { border-color: var(--tk-orange); background: var(--tk-orange); }
.btn.orange:hover { background: var(--tk-orange-deep); }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin: 4px 0 12px; }

/* 提示 */
.note { font-size: 12.5px; color: var(--muted); margin-top: 8px; }
.note a { color: var(--tk-green); }
.policy-table { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 8px; }
.policy-table th, .policy-table td { border: 1px solid var(--border); padding: 6px 8px; text-align: left; }
.policy-table th { background: #f3f4f6; }

/* 入口页 */
.entry-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.entry-card {
  display: block; text-decoration: none; color: var(--text);
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow); transition: 0.15s;
}
.entry-card:hover { transform: translateY(-2px); border-color: var(--tk-green); box-shadow: 0 6px 18px rgba(0,0,0,0.09); }
.entry-card .icon { font-size: 30px; }
.entry-card h2 { font-size: 18px; margin: 10px 0 6px; color: var(--tk-green-deep); }
.entry-card p { font-size: 13px; color: var(--muted); margin: 0; }
.entry-card .go { display: inline-block; margin-top: 12px; font-size: 13px; color: var(--tk-orange); font-weight: 600; }

.footer { text-align: center; font-size: 12px; color: var(--muted); margin-top: 24px; line-height: 1.7; }

/* ---------- 响应式 ---------- */
@media (max-width: 760px) {
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .deduct-list, .alloc-list, .spouse-grid, .entry-cards, .results { grid-template-columns: 1fr; }
  .family-sum { grid-template-columns: 1fr; }
  .titlebar h1 { font-size: 20px; }
}
@media (max-width: 520px) {
  .grid { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; align-items: stretch; }
  .navtabs a { flex: 1; text-align: center; }
}