/* 大鹏房产 · 社旗房产知识分享（移动端优先 H5） */
:root {
  --brown: #43120E;
  --brown-mid: #9F5128;
  --gold: #EBC96B;
  --gold-soft: #F5E3B0;
  --cream: #F7EBDD;
  --line: rgba(235, 201, 107, 0.22);
  --card-bg: rgba(235, 201, 107, 0.07);
  --card-border: rgba(235, 201, 107, 0.32);
  --dim: rgba(247, 235, 221, 0.45);
  --dim-2: rgba(247, 235, 221, 0.7);
  --good: #8FBF7A;
  --bad: #D98B7A;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html { background: var(--brown); }

body {
  margin: 0 auto;
  max-width: 520px;
  min-height: 100vh;
  background: var(--brown);
  color: var(--cream);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  height: 48px;
  padding: 0 10px;
  background: var(--brown-mid);
  color: #fff;
}
.topbar h1 {
  flex: 1;
  margin: 0;
  font-size: 16px;
  font-weight: 500;
  text-align: center;
  letter-spacing: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.topbar .back,
.topbar .extra {
  flex: 0 0 58px;
  font-size: 14px;
  opacity: 0.9;
}
.topbar .extra { text-align: right; }
.topbar .back::before { content: "‹ "; font-size: 18px; }

/* ---------- 首页 ---------- */
.hero { width: 100%; height: auto; }

.menu { padding: 8px 16px 0; }

.menu-item {
  display: flex;
  align-items: center;
  padding: 17px 3px;
  border-bottom: 1px solid var(--line);
}
.menu-item:last-child { border-bottom: 0; }
.menu-item:active { background: rgba(235, 201, 107, 0.08); }
.menu-item .no {
  width: 38px;
  font-size: 12px;
  letter-spacing: 0.5px;
  color: rgba(235, 201, 107, 0.55);
}
.menu-item .t { flex: 1; font-size: 16px; letter-spacing: 0.5px; }
.menu-item .arrow { font-size: 18px; line-height: 1; color: rgba(245, 227, 176, 0.45); }

/* ---------- 页脚声明 ---------- */
.page-footer {
  padding: 20px 16px calc(22px + env(safe-area-inset-bottom));
  border-top: 1px solid rgba(235, 201, 107, 0.13);
  text-align: center;
  font-size: 11px;
  line-height: 1.9;
  letter-spacing: 0.5px;
  color: rgba(247, 235, 221, 0.38);
}
.page-footer a {
  color: rgba(245, 227, 176, 0.72);
  border-bottom: 1px solid rgba(245, 227, 176, 0.3);
}

/* ---------- 通用页面 ---------- */
main { padding: 16px; padding-bottom: calc(24px + env(safe-area-inset-bottom)); }

.lead {
  margin: 0 0 14px;
  font-size: 13px;
  color: var(--dim);
  letter-spacing: 0.5px;
}

/* ---------- 电子地图 ---------- */
body.page-map {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}
body.page-map main {
  flex: 1 1 auto;
  min-height: 0;
  padding: 0;
  display: flex;
  padding-bottom: 0;
}
.map-frame {
  flex: 1 1 auto;
  width: 100%;
  min-height: 55vh;
  background: #1a0b08;
  position: relative;
}
.map-loading {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  letter-spacing: 1px;
  color: rgba(247, 235, 221, 0.5);
  pointer-events: none;
}
.map-frame iframe { display: block; width: 100%; height: 100%; border: 0; }

/* ---------- 卡片 ---------- */
.card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 16px;
  margin-bottom: 12px;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  background: var(--card-bg);
}
.card:active { background: rgba(235, 201, 107, 0.16); }
.card .body { flex: 1; min-width: 0; }
.card .title { font-size: 16px; letter-spacing: 0.5px; }
.card .desc { margin-top: 4px; font-size: 12px; color: var(--dim); }
.card .arrow { font-size: 18px; color: rgba(245, 227, 176, 0.5); }

/* ---------- 楼盘卡片 ---------- */
.house {
  padding: 16px;
  margin-bottom: 14px;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  background: var(--card-bg);
}
.house-head { display: flex; align-items: baseline; gap: 8px; }
.house-name { font-size: 17px; letter-spacing: 0.5px; }
.badge {
  padding: 1px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 11px;
  color: var(--gold);
  white-space: nowrap;
}
.house-price {
  margin-top: 6px;
  font-size: 13px;
  color: var(--gold-soft);
}
.house-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px 12px;
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--dim-2);
}
.house-grid b { font-weight: 400; color: var(--cream); }

.block { margin-top: 10px; font-size: 13px; line-height: 1.65; }
.block .label {
  display: block;
  margin-bottom: 2px;
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--dim);
}
.block.plus .label { color: var(--good); }
.block.minus .label { color: var(--bad); }

/* ---------- 筛选 / 搜索 ---------- */
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.chip {
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--dim-2);
  background: transparent;
  cursor: pointer;
}
.chip.on {
  border-color: var(--gold);
  color: var(--gold-soft);
  background: rgba(235, 201, 107, 0.13);
}
.search {
  width: 100%;
  padding: 10px 14px;
  margin-bottom: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.18);
  color: var(--cream);
  font-size: 14px;
  outline: none;
}
.search::placeholder { color: rgba(247, 235, 221, 0.3); }

.tabs { display: flex; margin-bottom: 16px; border-bottom: 1px solid var(--line); }
.tab {
  flex: 1;
  padding: 11px 0;
  text-align: center;
  font-size: 14px;
  color: var(--dim);
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  cursor: pointer;
}
.tab.on { color: var(--gold-soft); border-bottom-color: var(--gold); }

/* ---------- 表单 / 计算器 ---------- */
.field { margin-bottom: 14px; }
.field label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--dim);
}
.field input,
.field select {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.18);
  color: var(--cream);
  font-size: 15px;
  outline: none;
}
.field input:focus, .field select:focus { border-color: var(--gold); }
.field select option { background: var(--brown); }

.seg { display: flex; gap: 10px; }
.seg label {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 11px 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 14px;
  color: var(--dim-2);
  cursor: pointer;
}
.seg input { display: none; }
.seg input:checked + span { color: var(--gold-soft); }
.seg label:has(input:checked) {
  border-color: var(--gold);
  background: rgba(235, 201, 107, 0.13);
}

.result {
  margin-top: 20px;
  padding: 18px 16px;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  background: rgba(235, 201, 107, 0.09);
}
.result .row {
  display: flex;
  justify-content: space-between;
  padding: 7px 0;
  font-size: 14px;
  border-bottom: 1px dashed var(--line);
}
.result .row:last-child { border-bottom: 0; }
.result .row span:last-child { color: var(--gold-soft); }
.result .main-row { font-size: 16px; }
.result .main-row span:last-child { font-size: 20px; color: var(--gold); }

.note { margin-top: 14px; font-size: 12px; line-height: 1.7; color: var(--dim); }

/* ---------- 占位 ---------- */
.placeholder {
  min-height: 58vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 24px;
}
.placeholder .rule { width: 48px; height: 1px; background: rgba(235, 201, 107, 0.55); margin-bottom: 22px; }
.placeholder .pt { font-size: 18px; letter-spacing: 1px; }
.placeholder .pd { margin-top: 10px; font-size: 13px; color: var(--dim); }

/* ---------- 空状态 ---------- */
.empty { padding: 40px 0; text-align: center; font-size: 14px; color: var(--dim); }