:root {
  --bg: #f7f5ef;
  --surface: #ffffff;
  --surface-soft: #f2f5ef;
  --ink: #25322b;
  --muted: #67736c;
  --brand: #3f6b54;
  --brand-dark: #2f5540;
  --accent: #b78343;
  --line: #dfe5df;
  --shadow: 0 12px 34px rgba(35, 55, 44, 0.09);
  --radius: 18px;
  --max: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img, video { max-width: 100%; display: block; }
.container { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }
.skip { position: absolute; left: -9999px; top: 0; }
.skip:focus { left: 16px; top: 16px; z-index: 9999; background: #fff; padding: 8px 12px; border-radius: 8px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.header-row { display: flex; align-items: center; justify-content: space-between; min-height: 68px; gap: 24px; }
.brand { text-decoration: none; display: flex; align-items: center; gap: 12px; min-width: max-content; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center;
  background: var(--brand); color: #fff; font-weight: 800; font-size: 20px;
}
.brand-text strong { display:block; font-size: 18px; line-height: 1.2; }
.brand-text small { color: var(--muted); font-size: 12px; }
.nav { display: flex; gap: 18px; overflow-x: auto; white-space: nowrap; scrollbar-width: none; }
.nav::-webkit-scrollbar { display:none; }
.nav a { text-decoration: none; color: #455248; font-size: 14px; padding: 22px 0; }
.nav a:hover { color: var(--brand); }

.hero {
  padding: 72px 0 54px;
  background:
    radial-gradient(circle at 82% 18%, rgba(183,131,67,.15), transparent 26%),
    linear-gradient(135deg, #eff5ef 0%, #faf7ef 52%, #f5efe6 100%);
  border-bottom: 1px solid var(--line);
}
.hero-grid { display:grid; grid-template-columns: 1.2fr .8fr; gap: 38px; align-items:center; }
.eyebrow { color: var(--brand); font-weight: 800; letter-spacing: .08em; margin:0 0 8px; }
h1 { font-size: clamp(34px, 5.5vw, 58px); line-height: 1.12; margin: 0 0 16px; letter-spacing: -0.03em; }
.hero-lead { font-size: 18px; color: #526058; max-width: 700px; margin: 0 0 24px; }
.hero-badges { display:flex; flex-wrap:wrap; gap:10px; margin: 0 0 26px; }
.badge { display:inline-flex; align-items:center; padding: 8px 13px; border-radius:999px; background:#fff; border:1px solid var(--line); font-weight:700; font-size:14px; }
.hero-actions { display:flex; flex-wrap:wrap; gap:12px; }
.btn { display:inline-flex; align-items:center; justify-content:center; min-height:46px; padding: 0 18px; border-radius: 12px; text-decoration:none; font-weight:800; border:1px solid transparent; }
.btn-primary { background: var(--brand); color:#fff; }
.btn-primary:hover { background:var(--brand-dark); }
.btn-secondary { background:#fff; color:var(--brand); border-color:var(--line); }
.hero-card { background: rgba(255,255,255,.92); box-shadow: var(--shadow); border:1px solid rgba(223,229,223,.9); border-radius:24px; padding:28px; }
.hero-card h2 { margin:0 0 6px; font-size:22px; }
.hero-card .price { font-size: 34px; font-weight:900; color:var(--brand); line-height:1.25; margin: 10px 0; }
.hero-card ul { margin:16px 0 0; padding-left:20px; color:#556159; }

.section { padding: 70px 0; }
.section.alt { background:#fff; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.section-head { margin-bottom: 30px; }
.kicker { color:var(--accent); font-weight:900; letter-spacing:.08em; font-size:13px; margin:0 0 7px; }
h2 { font-size: clamp(28px, 4.5vw, 42px); line-height:1.22; margin:0 0 12px; letter-spacing:-.02em; }
.section-head p { margin:0; color:var(--muted); max-width: 820px; }
h3 { font-size: 22px; margin: 0 0 12px; }
h4 { font-size: 18px; margin: 0 0 9px; }
p { margin-top: 0; }
.grid-2 { display:grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap:22px; }
.grid-3 { display:grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap:18px; }
.card { background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:24px; box-shadow: 0 5px 18px rgba(37,50,43,.04); }
.alt .card { background:#fbfcfa; }
.card p:last-child, .card ul:last-child { margin-bottom:0; }
.card ul, .card ol { padding-left: 22px; }
.meta-list { margin:0; padding:0; list-style:none; display:grid; gap:10px; }
.meta-list li { display:grid; grid-template-columns: 88px 1fr; gap:10px; padding-bottom:10px; border-bottom:1px dashed var(--line); }
.meta-list li:last-child { border-bottom:0; padding-bottom:0; }
.meta-list strong { color:var(--brand-dark); }
.notice { border-left:4px solid var(--accent); background:#fffaf1; padding:16px 18px; border-radius:0 12px 12px 0; color:#5f584d; }
.price-panels { display:grid; grid-template-columns:repeat(2,1fr); gap:18px; margin-bottom:18px; }
.price-card { background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:25px; }
.price-card strong { display:block; color:var(--brand); font-size:29px; margin-top:5px; }

.gallery { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:16px; margin-top:24px; }
.photo { margin:0; background:#fff; border:1px solid var(--line); border-radius:16px; overflow:hidden; box-shadow:0 6px 20px rgba(37,50,43,.05); }
.photo img { width:100%; height:320px; object-fit:cover; object-position:center; background:#eceeea; }
.photo figcaption { padding:11px 14px; color:#556159; font-size:14px; font-weight:700; }

.service-list { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px; }
.service-item { background:#fff; border:1px solid var(--line); border-radius:16px; padding:20px; }
.service-item b { display:block; color:var(--brand); margin-bottom:5px; }
.video-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:22px; align-items:start; }
.video-card { background:#fff; border:1px solid var(--line); border-radius:18px; overflow:hidden; box-shadow:var(--shadow); }
.video-wrap { background:#111; display:flex; justify-content:center; }
.video-wrap video { width:min(100%, 540px); max-height:690px; background:#111; }
.video-card h3 { padding:18px 20px 0; margin:0; }
.video-card p { padding:6px 20px 18px; margin:0; color:var(--muted); }

.steps { counter-reset: step; display:grid; gap:16px; }
.step { background:#fff; border:1px solid var(--line); border-radius:16px; padding:22px; }
.step h3::before { counter-increment:step; content: counter(step); display:inline-grid; place-items:center; width:30px; height:30px; border-radius:50%; background:var(--brand); color:#fff; margin-right:9px; font-size:14px; vertical-align:2px; }
.compact-list { margin:0; padding-left:22px; }
.compact-list li + li { margin-top:5px; }

.contact-box { background:var(--brand-dark); color:#fff; border-radius:24px; padding:32px; display:grid; grid-template-columns:1fr auto; gap:24px; align-items:center; }
.contact-box h2 { margin-bottom:8px; color:#fff; }
.contact-box p { margin:0; color:#dfe9e2; }
.contact-actions { display:flex; flex-direction:column; gap:10px; min-width:240px; }
.contact-actions .btn { background:#fff; color:var(--brand-dark); }
.contact-actions .btn.secondary { background:transparent; color:#fff; border-color:rgba(255,255,255,.35); }
.site-footer { padding:28px 0 38px; color:#758078; font-size:13px; text-align:center; }

@media (max-width: 900px) {
  .header-row { flex-direction:column; align-items:stretch; padding-top:12px; gap:4px; }
  .nav { gap:16px; }
  .nav a { padding:11px 0 13px; }
  .hero { padding-top:48px; }
  .hero-grid { grid-template-columns:1fr; }
  .grid-3, .service-list { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .contact-box { grid-template-columns:1fr; }
  .contact-actions { min-width:0; flex-direction:row; flex-wrap:wrap; }
}
@media (max-width: 620px) {
  .container { width:min(calc(100% - 22px), var(--max)); }
  .photo img { height: 250px; }
  .section { padding:52px 0; }
  .hero { padding:38px 0 42px; }
  .hero-card { padding:22px; }
  .grid-2, .grid-3, .price-panels, .gallery, .service-list, .video-grid { grid-template-columns:1fr; }
  .meta-list li { grid-template-columns:76px 1fr; }
  .contact-actions { flex-direction:column; }
  h1 { font-size:39px; }
}
@media print {
  .site-header, .hero-actions, video { display:none !important; }
  body { background:#fff; }
  .section { padding:28px 0; }
  .card, .photo, .video-card { box-shadow:none; }
}