:root {
  --c-ink: #1c2b36;
  --c-sub: #5a6b78;
  --c-line: #e3e8ec;
  --c-bg: #f6f8fa;
  --c-card: #ffffff;
  --c-brand: #1f5f8b;
  --c-brand-deep: #154054;
  --c-brand-soft: #eaf2f7;
  --c-accent: #2c8c7c;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(28, 43, 54, 0.06);
  --shadow-hover: 0 6px 22px rgba(28, 43, 54, 0.12);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Segoe UI", system-ui, sans-serif;
  color: var(--c-ink);
  background: var(--c-bg);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--c-brand); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
.container { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.text-muted { color: var(--c-sub); }

/* header */
.header {
  background: #fff;
  border-bottom: 1px solid var(--c-line);
  position: sticky; top: 0; z-index: 50;
}
.header__inner { display: flex; align-items: center; gap: 28px; height: 68px; }
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo svg { width: 38px; height: 38px; flex-shrink: 0; }
.logo__name { font-size: 17px; font-weight: 700; color: var(--c-ink); letter-spacing: 0.5px; white-space: nowrap; }
.nav { display: flex; gap: 22px; margin-left: 8px; flex: 1; }
.nav a { color: var(--c-sub); font-size: 15px; padding: 6px 0; position: relative; }
.nav a:hover, .nav a.active { color: var(--c-brand); text-decoration: none; }
.nav a.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--c-brand); }
.header__right { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.btn {
  display: inline-flex; align-items: center; gap: 6px; justify-content: center;
  padding: 9px 18px; border-radius: 8px; font-size: 14px; cursor: pointer;
  border: 1px solid var(--c-line); background: #fff; color: var(--c-ink); transition: .15s;
}
.btn:hover { text-decoration: none; border-color: var(--c-brand); color: var(--c-brand); }
.btn--primary { background: var(--c-brand); color: #fff; border-color: var(--c-brand); }
.btn--primary:hover { background: var(--c-brand-deep); color: #fff; }
.btn--ghost { background: transparent; }
.btn--sm { padding: 6px 12px; font-size: 13px; }
.user-pill { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--c-sub); }
.burger { display: none; background: none; border: none; cursor: pointer; padding: 6px; }

/* hero */
.hero { background: linear-gradient(135deg, var(--c-brand-deep), var(--c-brand)); color: #fff; padding: 56px 0 48px; }
.hero h1 { font-size: 30px; margin: 0 0 14px; font-weight: 700; letter-spacing: 1px; }
.hero p { font-size: 16px; max-width: 720px; margin: 0 0 22px; color: rgba(255,255,255,0.92); }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero .btn--primary { background: #fff; color: var(--c-brand-deep); border-color: #fff; }
.hero .btn--primary:hover { background: #eaf2f7; }
.hero .btn--ghost { border-color: rgba(255,255,255,0.6); color: #fff; }
.stats { display: flex; gap: 40px; margin-top: 34px; }
.stats__item b { display: block; font-size: 26px; }
.stats__item span { font-size: 13px; color: rgba(255,255,255,0.8); }

/* sections */
.section { padding: 46px 0; }
.section__title { font-size: 22px; font-weight: 700; margin: 0 0 6px; }
.section__sub { color: var(--c-sub); margin: 0 0 26px; }

/* category cards */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.cat-card { background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 22px 18px; text-align: center; transition: .18s; }
.cat-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); border-color: var(--c-brand-soft); }
.cat-card a { color: var(--c-ink); }
.cat-card .ico { width: 46px; height: 46px; margin: 0 auto 12px; color: var(--c-brand); }
.cat-card .ico svg { width: 100%; height: 100%; }
.cat-card h3 { font-size: 16px; margin: 0 0 4px; }
.cat-card p { font-size: 13px; color: var(--c-sub); margin: 0; }

/* listing grid */
.listing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.listing-card { background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden; transition: .18s; display: flex; flex-direction: column; }
.listing-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.listing-card__img { height: 180px; background: var(--c-brand-soft); position: relative; overflow: hidden; }
.listing-card__img img { width: 100%; height: 100%; object-fit: cover; }
.listing-card__tag { position: absolute; left: 12px; top: 12px; background: rgba(21,64,84,0.9); color: #fff; font-size: 12px; padding: 4px 10px; border-radius: 20px; }
.listing-card__body { padding: 16px 18px 18px; display: flex; flex-direction: column; flex: 1; }
.listing-card__body h3 { font-size: 16px; margin: 0 0 8px; line-height: 1.45; }
.listing-card__body h3 a { color: var(--c-ink); }
.listing-card__summary { font-size: 13.5px; color: var(--c-sub); margin: 0 0 14px; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.listing-card__meta { display: flex; justify-content: space-between; align-items: center; font-size: 12.5px; color: var(--c-sub); border-top: 1px solid var(--c-line); padding-top: 12px; }
.listing-card__meta .city { display: inline-flex; align-items: center; gap: 4px; }

/* filters */
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 24px; }
.chip { padding: 7px 14px; border: 1px solid var(--c-line); border-radius: 20px; font-size: 13.5px; color: var(--c-sub); background: #fff; cursor: pointer; transition: .15s; }
.chip:hover { border-color: var(--c-brand); color: var(--c-brand); }
.chip.active { background: var(--c-brand); color: #fff; border-color: var(--c-brand); }
.search-box { margin-left: auto; display: flex; }
.search-box input { border: 1px solid var(--c-line); border-right: none; padding: 8px 14px; border-radius: 8px 0 0 8px; width: 240px; font-size: 14px; outline: none; }
.search-box button { border: 1px solid var(--c-brand); background: var(--c-brand); color: #fff; padding: 8px 16px; border-radius: 0 8px 8px 0; cursor: pointer; }

/* detail */
.detail-wrap { display: grid; grid-template-columns: 1fr 320px; gap: 30px; align-items: start; }
.detail-main { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 28px; }
.detail-main h1 { font-size: 24px; margin: 0 0 14px; }
.detail-hero { width: 100%; height: 320px; object-fit: cover; border-radius: 10px; margin-bottom: 22px; background: var(--c-brand-soft); }
.detail-body p { margin: 0 0 16px; font-size: 15.5px; color: #33424d; }
.detail-meta { display: flex; gap: 18px; flex-wrap: wrap; color: var(--c-sub); font-size: 13.5px; border-top: 1px solid var(--c-line); padding-top: 16px; margin-top: 8px; }
.detail-meta .ico { width: 15px; height: 15px; vertical-align: -2px; margin-right: 4px; color: var(--c-brand); }
.side-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 20px; margin-bottom: 18px; }
.side-card h4 { margin: 0 0 12px; font-size: 15px; }
.side-card .row { display: flex; justify-content: space-between; font-size: 13.5px; padding: 7px 0; border-bottom: 1px dashed var(--c-line); color: var(--c-sub); }
.side-card .row:last-child { border-bottom: none; }
.phone-reveal { background: var(--c-brand-soft); border-radius: 8px; padding: 12px 14px; margin-top: 6px; font-size: 15px; color: var(--c-brand-deep); }
.notice-card { background: var(--c-brand-soft); border-radius: var(--radius); padding: 18px 20px; }
.notice-card h4 { margin: 0 0 8px; font-size: 15px; color: var(--c-brand-deep); }
.notice-card p { margin: 0; font-size: 13.5px; color: var(--c-sub); }

/* forms */
.form-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 30px; max-width: 520px; margin: 0 auto; }
.form-card h2 { margin: 0 0 6px; font-size: 22px; }
.form-card .hint { color: var(--c-sub); font-size: 13.5px; margin: 0 0 20px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 14px; margin-bottom: 6px; color: var(--c-ink); }
.field input, .field textarea, .field select { width: 100%; border: 1px solid var(--c-line); border-radius: 8px; padding: 10px 12px; font-size: 14px; outline: none; font-family: inherit; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--c-brand); }
.field textarea { resize: vertical; min-height: 120px; }
.check-row { display: flex; align-items: flex-start; gap: 8px; font-size: 13.5px; color: var(--c-sub); margin-bottom: 10px; }
.check-row input { margin-top: 3px; }
.tabs { display: flex; gap: 8px; margin-bottom: 22px; }
.tab { padding: 8px 18px; border-radius: 8px; border: 1px solid var(--c-line); background: #fff; cursor: pointer; font-size: 14px; }
.tab.active { background: var(--c-brand); color: #fff; border-color: var(--c-brand); }
.form-error { color: #c0392b; font-size: 13px; margin-top: 4px; min-height: 18px; }

/* about */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.about-block { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 28px; }
.about-block h2 { font-size: 20px; margin: 0 0 14px; }
.about-block p { color: #33424d; margin: 0 0 12px; }
.info-list { list-style: none; padding: 0; margin: 0; }
.info-list li { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px dashed var(--c-line); font-size: 14px; }
.info-list li span:first-child { color: var(--c-sub); }

/* footer */
.footer { background: var(--c-brand-deep); color: rgba(255,255,255,0.86); margin-top: 40px; padding: 40px 0 26px; }
.footer a { color: rgba(255,255,255,0.9); }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; }
.footer h4 { color: #fff; font-size: 15px; margin: 0 0 14px; }
.footer p, .footer li { font-size: 13.5px; margin: 0 0 8px; color: rgba(255,255,255,0.72); list-style: none; }
.footer ul { padding: 0; margin: 0; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.16); margin-top: 28px; padding-top: 18px; font-size: 13px; color: rgba(255,255,255,0.6); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.footer__bottom a { color: rgba(255,255,255,0.8); }

/* admin */
.admin-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden; }
.admin-table th, .admin-table td { padding: 12px 14px; text-align: left; font-size: 13.5px; border-bottom: 1px solid var(--c-line); }
.admin-table th { background: var(--c-bg); color: var(--c-sub); font-weight: 600; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; }
.badge--ok { background: #e4f3ee; color: #1f6b5a; }
.badge--wait { background: #fdf0e0; color: #b4791f; }
.badge--no { background: #fbe6e3; color: #b23b2e; }
.mini-mask { font-family: monospace; letter-spacing: 1px; }

/* responsive */
@media (max-width: 960px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .listing-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-wrap { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav { display: none; }
  .nav.open { display: flex; position: absolute; top: 68px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 12px 20px; border-bottom: 1px solid var(--c-line); gap: 4px; }
  .burger { display: block; }
  .listing-grid { grid-template-columns: 1fr; }
  .stats { flex-wrap: wrap; gap: 20px; }
  .hero h1 { font-size: 24px; }
}

/* ---------- 404 ---------- */
.notfound { max-width: 560px; margin: 0 auto; text-align: center; padding: 40px 0 60px; }
.notfound__code {
  font-size: 76px; font-weight: 700; line-height: 1; letter-spacing: 2px;
  color: var(--c-brand); opacity: 0.18; margin-bottom: 8px;
}
.notfound__title { font-size: 22px; color: var(--c-ink); margin: 0 0 12px; }
.notfound__text { color: var(--c-sub); font-size: 14.5px; margin: 0 0 26px; }
.notfound__actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }