:root {
  --green-900: #0b3d2e;
  --green-700: #14624a;
  --green-500: #1d8a68;
  --green-100: #e3f3ec;
  --gold-500: #d4a017;
  --gold-300: #ecc96b;
  --ink: #1f2a26;
  --ink-soft: #5b6b64;
  --paper: #fbfaf5;
  --card: #ffffff;
  --line: #e4e9e5;
  --radius: 14px;
  --shadow: 0 4px 18px rgba(11, 61, 46, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
}

img { max-width: 100%; display: block; }

a { color: var(--green-700); text-decoration: none; }
a:hover { color: var(--green-500); }

.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(251, 250, 245, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 20px; font-weight: 700; color: var(--green-900);
}
.logo .mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--green-500), var(--gold-500));
  display: grid; place-items: center; color: #fff; font-size: 18px;
}
.nav-links { display: flex; gap: 26px; list-style: none; }
.nav-links a {
  color: var(--ink); font-size: 15px; padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover { color: var(--green-700); }
.nav-links a.active { color: var(--green-700); border-bottom-color: var(--gold-500); }
.nav-toggle { display: none; background: none; border: 0; font-size: 26px; cursor: pointer; color: var(--green-900); }

/* ---------- hero ---------- */
.hero {
  background:
    radial-gradient(ellipse at 85% 15%, rgba(212, 160, 23, 0.25), transparent 55%),
    radial-gradient(ellipse at 10% 90%, rgba(29, 138, 104, 0.35), transparent 55%),
    linear-gradient(160deg, var(--green-900), var(--green-700));
  color: #fff;
  padding: 90px 0 110px;
  position: relative;
  overflow: hidden;
}
.hero h1 { font-size: 42px; line-height: 1.3; margin-bottom: 16px; }
.hero h1 em { font-style: normal; color: var(--gold-300); }
.hero p.sub { font-size: 18px; opacity: 0.88; max-width: 620px; margin-bottom: 32px; }
.hero .cta-row { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 12px 28px; border-radius: 999px;
  font-size: 16px; font-weight: 600; transition: transform 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-gold { background: var(--gold-500); color: #fff; }
.btn-gold:hover { color: #fff; background: #c2920f; }
.btn-ghost { border: 1.5px solid rgba(255,255,255,0.6); color: #fff; }
.btn-ghost:hover { color: #fff; border-color: #fff; }
.btn-green { background: var(--green-700); color: #fff; }
.btn-green:hover { color: #fff; background: var(--green-500); }

/* ---------- sections ---------- */
.section { padding: 64px 0; }
.section-head { text-align: center; margin-bottom: 42px; }
.section-head .tag {
  display: inline-block; font-size: 13px; letter-spacing: 2px;
  color: var(--gold-500); font-weight: 700; margin-bottom: 8px;
}
.section-head h2 { font-size: 30px; color: var(--green-900); margin-bottom: 10px; }
.section-head p { color: var(--ink-soft); max-width: 640px; margin: 0 auto; }

/* ---------- feature cards ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow);
}
.card .icon { font-size: 34px; margin-bottom: 12px; }
.card h3 { color: var(--green-900); font-size: 19px; margin-bottom: 8px; }
.card p { color: var(--ink-soft); font-size: 15px; }

/* ---------- stats band ---------- */
.stats {
  background: var(--green-100);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 36px 0;
}
.stats .row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stats .num { font-size: 30px; font-weight: 800; color: var(--green-700); }
.stats .label { font-size: 14px; color: var(--ink-soft); }

/* ---------- listing cards ---------- */
.listing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.listing-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow);
  display: flex; flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.listing-card:hover { transform: translateY(-4px); box-shadow: 0 10px 26px rgba(11,61,46,0.14); }
.listing-thumb {
  height: 170px; display: grid; place-items: center;
  font-size: 52px; color: #fff;
}
.listing-body { padding: 18px 20px 20px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.listing-body h3 { font-size: 18px; color: var(--green-900); }
.listing-meta { display: flex; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--ink-soft); }
.listing-meta span { background: var(--green-100); border-radius: 6px; padding: 2px 8px; }
.listing-price { font-size: 20px; font-weight: 800; color: var(--gold-500); }
.listing-price small { font-size: 13px; color: var(--ink-soft); font-weight: 400; }
.listing-rebate {
  font-size: 13px; color: var(--green-700); background: var(--green-100);
  border-radius: 8px; padding: 6px 10px;
}
.listing-source { font-size: 13px; color: var(--ink-soft); }
.listing-actions { margin-top: auto; display: flex; gap: 10px; padding-top: 10px; }
.listing-actions .btn { flex: 1; text-align: center; padding: 9px 0; font-size: 14px; }

/* ---------- filters ---------- */
.filter-bar {
  display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-bottom: 34px;
}
.filter-bar button {
  border: 1px solid var(--line); background: #fff; color: var(--ink-soft);
  border-radius: 999px; padding: 8px 20px; font-size: 14px; cursor: pointer;
}
.filter-bar button.on { background: var(--green-700); border-color: var(--green-700); color: #fff; }

/* ---------- 多维筛选面板 ---------- */
.filter-panel {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 18px 20px; margin-bottom: 30px;
  display: grid; gap: 12px;
}
.filter-group { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.filter-label {
  flex: 0 0 74px; font-size: 13px; font-weight: 700; color: var(--green-900);
}
.filter-label .hint { font-weight: 400; color: var(--ink-soft); font-size: 12px; }
.filter-btn {
  border: 1px solid var(--line); background: #fff; color: var(--ink-soft);
  border-radius: 999px; padding: 5px 14px; font-size: 13px; cursor: pointer;
  transition: all 0.12s ease;
}
.filter-btn:hover { border-color: var(--green-500); color: var(--green-700); }
.filter-btn.on { background: var(--green-700); border-color: var(--green-700); color: #fff; }
.filter-toolbar {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  border-top: 1px dashed var(--line); padding-top: 12px; margin-top: 2px;
}
.result-count { font-size: 14px; font-weight: 700; color: var(--green-700); }
.sort-label { font-size: 13px; color: var(--ink-soft); display: flex; align-items: center; gap: 6px; }
.sort-label select {
  border: 1px solid var(--line); border-radius: 8px; padding: 5px 8px;
  font-size: 13px; color: var(--ink); background: #fff; cursor: pointer;
}
.reset-btn {
  margin-left: auto; border: 1px solid var(--line); background: #fff; color: var(--ink-soft);
  border-radius: 999px; padding: 5px 16px; font-size: 13px; cursor: pointer;
}
.reset-btn:hover { border-color: var(--gold-500); color: var(--gold-500); }
.empty-tip { grid-column: 1 / -1; text-align: center; color: var(--ink-soft); padding: 40px 0; }
@media (max-width: 600px) { .filter-label { flex: 0 0 100%; } }

/* ---------- 房源卡片（新结构） ---------- */
.listing-thumb { position: relative; }
.deal-badge {
  position: absolute; top: 10px; left: 10px; font-size: 12px; font-weight: 700;
  color: #fff; background: rgba(0,0,0,0.28); border-radius: 999px; padding: 2px 10px;
}
.deal-badge.deal-租 { background: rgba(58,110,165,0.85); }
.deal-badge.deal-售 { background: rgba(29,138,104,0.85); }
.listing-area { font-size: 13px; color: var(--ink-soft); }
.listing-pub { font-size: 12px; color: var(--ink-soft); opacity: 0.8; }
.listing-price { display: flex; align-items: baseline; gap: 8px; }
.price-note {
  font-size: 11px; font-weight: 400; color: var(--gold-500);
  border: 1px solid var(--gold-300); border-radius: 6px; padding: 0 6px;
}
.listing-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag-feat {
  font-size: 12px; color: var(--green-700); background: var(--green-100);
  border-radius: 6px; padding: 1px 8px;
}
.listing-desc { font-size: 14px; color: var(--ink-soft); }
.listing-own {
  font-size: 13px; color: var(--green-700); background: var(--green-100);
  border-radius: 8px; padding: 5px 10px;
}

/* ---------- content page (climate / culture) ---------- */
.page-hero {
  background: linear-gradient(160deg, var(--green-900), var(--green-700));
  color: #fff; padding: 60px 0; text-align: center;
}
.page-hero h1 { font-size: 34px; margin-bottom: 10px; }
.page-hero p { opacity: 0.85; max-width: 640px; margin: 0 auto; }
.page-hero .data-updated {
  margin-top: 14px; font-size: 13px; opacity: 0.9;
  display: inline-block; background: rgba(255,255,255,0.12);
  border-radius: 999px; padding: 4px 14px;
}

.prose { max-width: 760px; margin: 0 auto; }
.prose h2 { color: var(--green-900); font-size: 24px; margin: 40px 0 14px; }
.prose h3 { color: var(--green-700); font-size: 18px; margin: 26px 0 10px; }
.prose p { margin-bottom: 14px; color: var(--ink); }
.prose ul { margin: 0 0 16px 22px; color: var(--ink); }
.prose li { margin-bottom: 6px; }

table.data {
  width: 100%; border-collapse: collapse; margin: 18px 0 26px; font-size: 14px;
  background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
}
table.data th { background: var(--green-700); color: #fff; padding: 10px 12px; text-align: left; }
table.data td { padding: 9px 12px; border-bottom: 1px solid var(--line); }
table.data tr:nth-child(even) td { background: #f6faf8; }

.tip-box {
  background: #fdf6e3; border-left: 4px solid var(--gold-500);
  border-radius: 0 10px 10px 0; padding: 16px 20px; margin: 20px 0;
  color: var(--ink); font-size: 15px;
}

/* ---------- steps (rebate flow) ---------- */
.steps { counter-reset: step; display: grid; gap: 18px; max-width: 720px; margin: 0 auto; }
.step {
  display: flex; gap: 18px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow);
}
.step .no {
  counter-increment: step;
  flex: 0 0 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  color: #fff; font-weight: 800; font-size: 18px; display: grid; place-items: center;
}
.step .no::before { content: counter(step); }
.step h3 { color: var(--green-900); font-size: 17px; margin-bottom: 4px; }
.step p { color: var(--ink-soft); font-size: 15px; }

/* ---------- 横向紧凑流程 ---------- */
.flow { counter-reset: flow; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 6px; }
.flow-step {
  counter-increment: flow; display: flex; align-items: center; gap: 10px;
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 9px 20px 9px 9px; box-shadow: var(--shadow);
}
.flow-step .no {
  flex: 0 0 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  color: #fff; font-weight: 800; font-size: 14px; display: grid; place-items: center;
}
.flow-step .no::before { content: counter(flow); }
.flow-step h3 { color: var(--green-900); font-size: 15px; white-space: nowrap; }
.flow-arrow { color: var(--green-500); font-weight: 800; font-size: 18px; line-height: 1; }
@media (max-width: 640px) { .flow { gap: 10px; } .flow-arrow { display: none; } }

/* ---------- wechat qr ---------- */
.qr-panel { text-align: center; }
.qr-box {
  width: 220px; height: 220px; margin: 0 auto 16px;
  border: 2px dashed var(--green-500); border-radius: var(--radius);
  display: grid; place-items: center; color: var(--ink-soft); font-size: 14px;
  background: #fff; padding: 10px;
}
.qr-box img { width: 100%; height: 100%; object-fit: contain; }

/* ---------- FAQ ---------- */
.faq { max-width: 780px; margin: 0 auto; display: grid; gap: 14px; }
.faq details {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
}
.faq summary {
  cursor: pointer; padding: 18px 22px; font-weight: 600; color: var(--green-900);
  list-style: none; display: flex; justify-content: space-between; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "＋"; color: var(--gold-500); font-size: 20px; }
.faq details[open] summary::after { content: "－"; }
.faq .faq-body { padding: 0 22px 20px; color: var(--ink-soft); font-size: 15px; }
.faq .faq-body p { margin-bottom: 10px; }
.faq .faq-body ul { margin: 0 0 10px 20px; }

/* ---------- compare table ---------- */
.compare-note { text-align: center; color: var(--ink-soft); font-size: 14px; margin-top: 14px; }

/* ---------- footer ---------- */
.site-footer {
  background: var(--green-900); color: rgba(255,255,255,0.75);
  padding: 40px 0; margin-top: 60px; font-size: 14px;
}
.site-footer .cols { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.site-footer h4 { color: #fff; margin-bottom: 10px; font-size: 15px; }
.site-footer a { color: rgba(255,255,255,0.75); display: block; margin-bottom: 6px; }
.site-footer a:hover { color: var(--gold-300); }
.site-footer .copyright { margin-top: 26px; text-align: center; opacity: 0.6; font-size: 13px; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .grid-3, .listing-grid { grid-template-columns: repeat(2, 1fr); }
  .stats .row { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 32px; }
}
@media (max-width: 600px) {
  .grid-3, .grid-2, .listing-grid { grid-template-columns: 1fr; }
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    background: var(--paper); flex-direction: column; gap: 0;
    border-bottom: 1px solid var(--line); padding: 8px 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a { display: block; padding: 12px 24px; border-bottom: 0; }
  .nav-toggle { display: block; }
  .hero { padding: 60px 0 70px; }
  .hero h1 { font-size: 27px; }
}