:root{--c-primary:#f2efe9;--font:'Microsoft YaHei','PingFang SC',sans-serif;}
/* ============ 强骨骨骼健康 3D立体骨风 ============ */
:root {
  --bone:#f2efe9;
  --blue:#3d5a80;
  --gray:#6b7280;
  --ink:#26323f;
  --muted:#6b7280;
  --deep:#2e4463;
  --line:rgba(61,90,128,.18);
  --shadow:0 18px 44px rgba(61,90,128,.18);
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { font-family:"Microsoft YaHei","PingFang SC",sans-serif; color:var(--ink); background:var(--bone); overflow-x:hidden; }
a { text-decoration:none; color:inherit; }
ul { list-style:none; }
img { max-width:100%; display:block; }
.container { max-width:1200px; margin:0 auto; padding:0 24px; }

/* ---------- CSS 3D 骨骼 ---------- */
.bone { position:relative; display:inline-block; }
.bone .shaft { position:absolute; top:0; left:50%; transform:translateX(-50%); width:30px; height:170px; background:linear-gradient(90deg,#cfc7b4,#f8f4ea 30%,#f4efe2 52%,#c9c0ac 100%); border-radius:15px; box-shadow:inset 3px 3px 8px rgba(255,255,255,.9), inset -6px -6px 10px rgba(150,140,120,.35), 0 10px 22px rgba(61,90,128,.22); }
.bone .shaft::before { content:""; position:absolute; top:18px; left:8px; width:6px; height:44px; background:rgba(255,255,255,.85); border-radius:3px; filter:blur(1px); }
.bone .shaft::after { content:""; position:absolute; bottom:18px; right:7px; width:5px; height:34px; background:rgba(150,140,120,.28); border-radius:3px; }
.bone .joint { position:absolute; left:50%; transform:translateX(-50%); width:54px; height:54px; border-radius:50%; background:radial-gradient(circle at 32% 28%, #ffffff 0%, #eee7d9 42%, #c8bfaa 100%); box-shadow:0 10px 20px rgba(61,90,128,.28), inset -7px -9px 14px rgba(150,140,120,.4); }
.bone .joint.j-top { top:-6px; }
.bone .joint.j-bot { bottom:-6px; }
.bone .joint::after { content:""; position:absolute; inset:0; border-radius:50%; background:radial-gradient(circle at 70% 75%, rgba(150,140,120,.35), transparent 55%); }
.bone.b-h { transform:rotate(90deg); }

/* 环形数据 */
.ring-chart { --c:var(--blue); --v:0; width:150px; height:150px; border-radius:50%; background:conic-gradient(var(--c) calc(var(--v)*1%), #e4ded2 0); display:flex; align-items:center; justify-content:center; position:relative; }
.ring-chart::before { content:""; position:absolute; inset:13px; border-radius:50%; background:var(--bone); box-shadow:inset 0 4px 14px rgba(61,90,128,.12); }
.ring-chart .rc-in { position:relative; text-align:center; }
.ring-chart .rc-in b { display:block; font-size:30px; color:var(--blue); font-family:Consolas,monospace; }
.ring-chart .rc-in span { font-size:11px; color:var(--gray); }

/* ---------- 导航 ---------- */
.site-header { position:fixed; top:0; left:0; right:0; z-index:999; background:rgba(242,239,233,.96); backdrop-filter:blur(10px); box-shadow:0 2px 14px rgba(61,90,128,.14); }
.nav-wrap { display:flex; align-items:center; justify-content:space-between; height:72px; }
.logo { display:flex; align-items:center; gap:12px; }
.logo-mark { width:42px; height:42px; border-radius:50%; background:radial-gradient(circle at 32% 28%, #fff, #d8d0bd); display:flex; align-items:center; justify-content:center; box-shadow:0 8px 18px rgba(61,90,128,.3); }
.logo-mark i { width:16px; height:16px; border-radius:50%; background:radial-gradient(circle at 32% 28%, #fff, var(--blue)); }
.logo-text { display:flex; flex-direction:column; line-height:1.15; }
.logo-text b { font-size:20px; font-weight:800; color:var(--ink); letter-spacing:2px; }
.logo-text span { font-size:10px; letter-spacing:3px; color:var(--blue); font-weight:700; margin-top:2px; }
.main-nav { display:flex; gap:4px; }
.main-nav a { padding:10px 16px; font-size:15px; font-weight:600; color:var(--ink); transition:.3s; border-bottom:3px solid transparent; }
.main-nav a:hover { color:var(--blue); }
.main-nav a.active { color:var(--blue); border-bottom-color:var(--blue); }
.nav-toggle { display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px; }
.nav-toggle span { width:24px; height:2px; background:var(--ink); border-radius:2px; transition:.3s; }

/* ---------- Hero ---------- */
.hero { padding:150px 0 90px; position:relative; overflow:hidden; background:
  linear-gradient(rgba(61,90,128,.06) 1px, transparent 1px),
  linear-gradient(90deg, rgba(61,90,128,.06) 1px, transparent 1px),
  linear-gradient(180deg,#ece8df 0%,var(--bone) 100%); background-size:44px 44px,44px 44px,100% 100%; }
.hero-inner { display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:center; }
.hero-tag { display:inline-block; padding:8px 18px; background:#fff; border:1px solid var(--line); font-size:13px; font-weight:700; letter-spacing:3px; color:var(--blue); margin-bottom:24px; font-family:Consolas,monospace; }
.hero h1 { font-size:48px; line-height:1.28; font-weight:800; color:var(--ink); margin-bottom:22px; letter-spacing:1px; }
.hero h1 em { font-style:normal; color:var(--blue); position:relative; }
.hero h1 em::after { content:""; position:absolute; left:0; right:0; bottom:2px; height:10px; background:rgba(61,90,128,.18); z-index:-1; }
.hero-text p { font-size:16px; line-height:2; color:var(--gray); max-width:460px; margin-bottom:34px; }
.hero-actions { display:flex; gap:16px; }
.btn { display:inline-block; padding:14px 32px; font-weight:700; font-size:15px; border-radius:6px; transition:.3s; border:1px solid transparent; cursor:pointer; letter-spacing:1px; }
.btn-primary { background:var(--blue); color:#fff; box-shadow:0 12px 26px rgba(61,90,128,.38); }
.btn-primary:hover { transform:translateY(-3px); box-shadow:0 18px 34px rgba(61,90,128,.46); }
.btn-outline { background:transparent; color:var(--blue); border-color:var(--blue); }
.btn-outline:hover { background:var(--blue); color:#fff; }
.btn-light { background:#fff; color:var(--blue); box-shadow:0 10px 22px rgba(0,0,0,.12); }
.btn-block { display:block; width:100%; text-align:center; }

/* 骨骼雕塑视觉 */
.bone-scene { position:relative; width:430px; height:400px; margin:0 auto; }
.bone-scene .ring-chart { position:absolute; top:96px; left:50%; transform:translateX(-50%); width:290px; height:290px; --c:#3d5a80; }
.bone-scene .ring-chart::before { background:linear-gradient(180deg,#f7f4ed,var(--bone)); }
.bone-scene .ring-chart .rc-in b { font-size:52px; }
.bone-scene .ring-chart .rc-in span { font-size:13px; letter-spacing:2px; }
.bone-scene .bone { position:absolute; }
.bone-scene .b1 { left:96px; top:6px; transform:rotate(18deg); }
.bone-scene .b1 .shaft { height:200px; }
.bone-scene .b2 { right:70px; top:26px; transform:rotate(-24deg); }
.bone-scene .b2 .shaft { height:170px; }
.bone-scene .b3 { left:50%; top:140px; transform:translateX(-50%) scale(.9); z-index:3; }
.bone-scene .b3 .shaft { height:120px; }
.bone-note { position:absolute; bottom:8px; left:50%; transform:translateX(-50%); font-size:12px; letter-spacing:4px; color:var(--gray); font-weight:700; white-space:nowrap; font-family:Consolas,monospace; }
.bone-note::before,.bone-note::after { content:"◦"; margin:0 10px; color:var(--blue); }

/* ---------- 数据带 ---------- */
.stats-band { padding:0 0 80px; }
.stats-grid { background:#fff; border:1px solid var(--line); display:grid; grid-template-columns:repeat(4,1fr); box-shadow:var(--shadow); }
.stat { text-align:center; padding:32px 16px; border-right:1px solid var(--line); }
.stat:last-child { border-right:none; }
.stat b { display:block; font-size:36px; font-weight:800; color:var(--blue); font-family:Consolas,monospace; }
.stat b i { font-style:normal; color:var(--gray); font-size:16px; }
.stat p { font-size:14px; color:var(--gray); margin-top:6px; }

/* ---------- Section 通用（关节圆点链分隔） ---------- */
.section { padding:96px 0; position:relative; }
.section::before { content:""; position:absolute; top:0; left:0; right:0; display:flex; justify-content:center; }
.joint-chain { height:20px; display:flex; align-items:center; justify-content:center; gap:0; margin-bottom:0; position:relative; }
.joint-chain::before { content:""; position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); width:60%; height:2px; background:linear-gradient(90deg,transparent,rgba(61,90,128,.28),transparent); }
.joint-chain .jd { width:9px; height:9px; border-radius:50%; background:radial-gradient(circle at 32% 28%, #fff, var(--blue)); position:relative; z-index:2; margin:0 26px; }
.joint-chain .jd::after { content:""; position:absolute; top:50%; right:-26px; width:26px; height:2px; background:rgba(61,90,128,.28); }
.joint-chain .jd:last-child::after { display:none; }
.section-head { text-align:center; max-width:640px; margin:0 auto 54px; }
.section-head .kicker { display:inline-block; font-size:13px; font-weight:700; letter-spacing:4px; color:var(--blue); margin-bottom:16px; font-family:Consolas,monospace; }
.section-head h2 { font-size:34px; font-weight:800; color:var(--ink); margin-bottom:14px; }
.section-head h2 span { color:var(--blue); }
.section-head p { font-size:15px; color:var(--gray); line-height:1.9; }

/* ---------- 强骨理念 ---------- */
.philosophy { background:var(--bone); }
.philo-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.philo-card { background:#fff; border:1px solid var(--line); border-radius:14px; padding:38px 30px; position:relative; transition:.35s; }
.philo-card:hover { transform:translateY(-6px); box-shadow:var(--shadow); }
.philo-card::before { content:attr(data-no); position:absolute; top:24px; right:26px; font-size:44px; font-weight:800; color:rgba(61,90,128,.14); font-family:Consolas,monospace; }
.philo-ico { width:64px; height:64px; border-radius:50%; background:radial-gradient(circle at 32% 28%, #fff, #e4ded2); display:flex; align-items:center; justify-content:center; margin-bottom:22px; font-size:30px; box-shadow:0 8px 18px rgba(61,90,128,.22); }
.philo-card h3 { font-size:20px; color:var(--ink); margin-bottom:12px; }
.philo-card p { font-size:14px; color:var(--gray); line-height:1.95; }

/* ---------- 产品服务（含环形数据） ---------- */
.serve { background:#fff; }
.serve-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.serve-card { background:var(--bone); border:1px solid var(--line); border-radius:16px; padding:34px 28px; transition:.35s; }
.serve-card:hover { transform:translateY(-6px); box-shadow:var(--shadow); }
.serve-top { display:flex; justify-content:space-between; align-items:center; margin-bottom:22px; }
.serve-ico { width:58px; height:58px; border-radius:14px; background:#fff; border:1px solid var(--line); display:flex; align-items:center; justify-content:center; font-size:28px; box-shadow:0 8px 18px rgba(61,90,128,.16); }
.serve-card .ring-chart { width:96px; height:96px; }
.serve-card .ring-chart::before { inset:8px; background:var(--bone); }
.serve-card .ring-chart .rc-in b { font-size:18px; }
.serve-card .ring-chart .rc-in span { font-size:9px; }
.serve-card h3 { font-size:19px; color:var(--ink); margin-bottom:10px; }
.serve-card p { font-size:14px; color:var(--gray); line-height:1.9; margin-bottom:16px; }
.serve-foot { display:flex; justify-content:space-between; align-items:center; }
.serve-foot b { font-size:22px; color:var(--blue); font-family:Consolas,monospace; }
.serve-foot a { font-size:13px; font-weight:700; color:var(--blue); }

/* ---------- 健康数据 ---------- */
.data { background:linear-gradient(180deg,var(--bone),#eae6dc); }
.data-grid { display:grid; grid-template-columns:1.1fr 1fr; gap:46px; align-items:center; }
.data-left .ring-chart { --c:var(--blue); width:190px; height:190px; margin:0 auto 26px; }
.data-left .ring-chart::before { inset:14px; background:var(--bone); }
.data-left .ring-chart .rc-in b { font-size:38px; }
.data-left .ring-chart .rc-in span { font-size:12px; }
.data-left h3 { text-align:center; font-size:19px; color:var(--ink); margin-bottom:10px; }
.data-left p { text-align:center; font-size:13px; color:var(--gray); }
.data-right h3 { font-size:20px; color:var(--ink); margin-bottom:20px; }
.data-row { display:flex; justify-content:space-between; align-items:center; padding:15px 0; border-bottom:1px solid var(--line); }
.data-row span { font-size:14px; color:var(--gray); }
.data-row b { font-size:16px; color:var(--blue); font-family:Consolas,monospace; }
.data-row .ok { color:#2e8b57; }

/* ---------- 页脚 ---------- */
.site-footer { background:var(--deep); color:#c3cede; padding:64px 0 0; }
.footer-grid { display:grid; grid-template-columns:1.4fr 1fr 1.2fr; gap:40px; padding-bottom:38px; }
.footer-brand h3 { font-size:20px; color:#fff; margin-bottom:14px; letter-spacing:1px; }
.footer-brand p { font-size:14px; line-height:2; opacity:.82; }
.footer-links h4 { font-size:15px; color:#fff; margin-bottom:16px; letter-spacing:2px; }
.footer-links a { display:block; font-size:14px; padding:6px 0; opacity:.82; transition:.3s; }
.footer-links a:hover { color:#a9c3e8; padding-left:6px; }
.footer-links p { font-size:14px; padding:4px 0; opacity:.82; line-height:1.8; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.12); padding:20px 0; text-align:center; font-size:13px; opacity:.72; }

/* ---------- 子页 Hero ---------- */
.page-hero { padding:150px 0 66px; background:
  linear-gradient(rgba(61,90,128,.05) 1px, transparent 1px),
  linear-gradient(90deg, rgba(61,90,128,.05) 1px, transparent 1px),
  linear-gradient(180deg,#ece8df,var(--bone)); background-size:44px 44px,44px 44px,100% 100%; text-align:center; }
.page-hero .kicker { display:inline-block; font-size:13px; font-weight:700; letter-spacing:4px; color:var(--blue); margin-bottom:14px; font-family:Consolas,monospace; }
.page-hero h1 { font-size:40px; font-weight:800; color:var(--ink); margin-bottom:14px; letter-spacing:1px; }
.page-hero h1 span { color:var(--blue); }
.page-hero p { font-size:15px; color:var(--gray); }

/* about */
.about-grid { display:grid; grid-template-columns:1fr 1.1fr; gap:56px; align-items:center; }
.about-imgs { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.about-imgs img { height:230px; object-fit:cover; width:100%; border-radius:14px; box-shadow:var(--shadow); }
.about-imgs img:nth-child(3){ grid-column:span 2; height:270px; }
.about-text h2 { font-size:30px; color:var(--ink); margin-bottom:20px; }
.about-text h2 span { color:var(--blue); }
.about-text p { font-size:15px; line-height:2.1; color:var(--gray); margin-bottom:14px; }
.data-table { width:100%; border-collapse:collapse; margin-top:14px; }
.data-table th { background:var(--blue); color:#fff; padding:13px; font-size:14px; }
.data-table td { padding:13px; border:1px solid var(--line); font-size:14px; text-align:center; color:var(--gray); background:#fff; }
.data-table tr:nth-child(even) td { background:var(--bone); }

/* products */
.prod-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:40px; }
.prod-card { background:#fff; border:1px solid var(--line); border-radius:14px; overflow:hidden; transition:.35s; }
.prod-card:hover { transform:translateY(-6px); box-shadow:var(--shadow); }
.prod-card img { height:200px; width:100%; object-fit:cover; }
.prod-body { padding:26px; }
.prod-body h3 { font-size:19px; color:var(--ink); margin-bottom:8px; }
.prod-body p { font-size:14px; color:var(--gray); line-height:1.9; margin-bottom:16px; }
.prod-price { display:flex; justify-content:space-between; align-items:center; }
.prod-price b { color:var(--blue); font-size:22px; font-family:Consolas,monospace; }
.prod-price a { color:var(--blue); font-size:13px; font-weight:700; }
.flow { background:#fff; }
.flow-track { display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.flow-step { background:var(--bone); border:1px solid var(--line); border-radius:14px; padding:30px 20px; text-align:center; transition:.3s; }
.flow-step:hover { background:var(--blue); }
.flow-step:hover h4,.flow-step:hover p { color:#fff; }
.flow-num { display:inline-flex; width:50px; height:50px; border-radius:50%; background:#fff; border:1px solid var(--line); color:var(--blue); font-weight:800; font-size:16px; align-items:center; justify-content:center; margin-bottom:14px; font-family:Consolas,monospace; }
.flow-step:hover .flow-num { border-color:#fff; color:#fff; }
.flow-step h4 { font-size:16px; color:var(--ink); margin-bottom:6px; }
.flow-step p { font-size:12px; color:var(--gray); line-height:1.7; }

/* news */
.news-feature { display:grid; grid-template-columns:1.2fr 1fr; gap:0; background:#fff; border:1px solid var(--line); box-shadow:var(--shadow); margin-bottom:44px; }
.news-feature img { width:100%; height:340px; object-fit:cover; }
.news-feature-body { padding:40px; }
.date-badge { display:inline-block; background:var(--blue); color:#fff; font-size:12px; padding:6px 16px; font-family:Consolas,monospace; margin-bottom:18px; }
.news-feature-body h3 { font-size:24px; color:var(--ink); margin-bottom:14px; line-height:1.5; }
.news-feature-body p { font-size:15px; color:var(--gray); line-height:2; margin-bottom:22px; }
.news-list { display:grid; grid-template-columns:repeat(2,1fr); gap:26px; }
.news-item { display:flex; gap:18px; background:#fff; border:1px solid var(--line); padding:16px; transition:.3s; }
.news-item:hover { box-shadow:var(--shadow); }
.news-item img { width:150px; height:118px; object-fit:cover; }
.news-item h4 { font-size:16px; color:var(--ink); margin-bottom:8px; line-height:1.5; }
.news-item p { font-size:13px; color:var(--gray); line-height:1.8; }
.news-item time { font-size:12px; color:var(--blue); font-family:Consolas,monospace; }

/* contact */
.contact-wrap { display:grid; grid-template-columns:1fr 1.15fr; gap:50px; align-items:start; }
.contact-info-item { display:flex; gap:16px; padding:18px 0; border-bottom:1px dashed var(--line); }
.ci-icon { width:48px; height:48px; border-radius:50%; background:#fff; border:1px solid var(--line); display:flex; align-items:center; justify-content:center; font-size:20px; flex:0 0 48px; box-shadow:0 8px 18px rgba(61,90,128,.16); }
.contact-info-item h4 { font-size:16px; color:var(--ink); margin-bottom:4px; }
.contact-info-item p { font-size:14px; color:var(--gray); line-height:1.7; }
.map-box { border-radius:14px; overflow:hidden; box-shadow:var(--shadow); margin-top:26px; }
.map-box img { width:100%; height:240px; object-fit:cover; }
.form-box { background:#fff; border:1px solid var(--line); border-radius:16px; padding:38px; box-shadow:var(--shadow); }
.form-box h3 { font-size:22px; color:var(--ink); margin-bottom:24px; }
.form-grid { display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.form-field { margin-bottom:18px; }
.form-field label { display:block; font-size:14px; font-weight:700; color:var(--ink); margin-bottom:8px; }
.form-field input,.form-field select,.form-field textarea { width:100%; padding:13px 15px; border:1px solid var(--line); border-radius:8px; font-size:14px; font-family:inherit; background:var(--bone); transition:.3s; outline:none; }
.form-field textarea { min-height:120px; resize:vertical; }
.form-field input:focus,.form-field select:focus,.form-field textarea:focus { border-color:var(--blue); box-shadow:0 0 0 3px rgba(61,90,128,.12); background:#fff; }
.form-field.full { grid-column:span 2; }
.form-error { color:#e0485a; font-size:12px; margin-top:6px; display:none; }
.form-field.error input,.form-field.error textarea,.form-field.error select { border-color:#e0485a; }
.form-field.error .form-error { display:block; }
.form-success { display:none; text-align:center; padding:30px 0; color:var(--blue); font-size:16px; font-weight:700; }
.form-success .ok-icon { font-size:52px; display:block; margin-bottom:12px; }

/* CTA */
.cta-box { background:linear-gradient(120deg,var(--blue),var(--deep)); border-radius:16px; padding:60px; text-align:center; color:#fff; position:relative; overflow:hidden; }
.cta-box::before { content:"◦"; position:absolute; top:10px; left:60px; font-size:70px; color:rgba(255,255,255,.2); }
.cta-box::after { content:"◦"; position:absolute; bottom:-16px; right:70px; font-size:70px; color:rgba(255,255,255,.16); }
.cta-box h2 { font-size:32px; font-weight:800; margin-bottom:14px; position:relative; }
.cta-box p { font-size:15px; opacity:.9; margin-bottom:30px; position:relative; }
.cta-actions { display:flex; gap:16px; justify-content:center; position:relative; }

/* reveal */
.reveal { opacity:0; transform:translateY(34px); transition:opacity .8s ease, transform .8s ease; }
.reveal.visible { opacity:1; transform:none; }

/* ---------- 响应式 ---------- */
@media (max-width:992px){
  .hero-inner { grid-template-columns:1fr; }
  .bone-scene { display:none; }
  .stats-grid { grid-template-columns:repeat(2,1fr); }
  .stat:nth-child(2){ border-right:none; }
  .philo-grid,.serve-grid,.prod-grid { grid-template-columns:repeat(2,1fr); }
  .data-grid { grid-template-columns:1fr; }
  .flow-track { grid-template-columns:repeat(2,1fr); }
  .about-grid,.contact-wrap { grid-template-columns:1fr; }
  .news-list { grid-template-columns:1fr; }
  .news-feature { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr 1fr; }
}
@media (max-width:768px){
  .main-nav { position:fixed; top:72px; left:0; right:0; background:#f7f4ed; flex-direction:column; padding:18px 24px 26px; gap:10px; box-shadow:0 16px 30px rgba(0,0,0,.12); transform:translateY(-140%); transition:.4s; }
  .main-nav.open { transform:none; }
  .nav-toggle { display:flex; }
  .hero { padding:120px 0 60px; }
  .hero h1 { font-size:30px; }
  .philo-grid,.serve-grid,.prod-grid { grid-template-columns:1fr; }
  .stats-grid { grid-template-columns:1fr; }
  .stat { border-right:none; border-bottom:1px solid var(--line); }
  .flow-track { grid-template-columns:1fr; }
  .form-grid { grid-template-columns:1fr; }
  .form-field.full { grid-column:span 1; }
  .footer-grid { grid-template-columns:1fr; }
  .cta-box { padding:44px 24px; }
  .section { padding:70px 0; }
  .section-head h2 { font-size:26px; }
  .news-item { flex-direction:column; }
  .news-item img { width:100%; height:180px; }
}


/* ===== CMS 表单提交反馈 ===== */
.form-success.show { display:block; }
.form-alert { padding:14px 18px; border-radius:10px; margin-bottom:20px; font-size:14px; line-height:1.8; }
.form-alert-err { background:rgba(192,57,43,.08); border:1px solid #c0392b; color:#c0392b; }
.form-success.show { padding:14px 18px; border-radius:10px; margin-bottom:20px; background:rgba(39,174,96,.1); border:1px solid #27ae60; color:#27ae60; }