:root{
    --bg:#f7f6f2;
    --paper:#ffffff;
    --ink:#1c1c1c;
    --muted:#77736b;
    --line:#ded9cf;
    --soft:#eeeae2;
    --dark:#161616;
    --shadow:0 18px 50px rgba(0,0,0,.07);
    --radius:28px;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    font-family:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background:var(--bg);
    color:var(--ink);
    letter-spacing:.01em;
  }
  a{color:inherit;text-decoration:none}

  .site-header,.site-header *{box-sizing:border-box}
  .site-header{
    height:104px;
    min-height:104px;
    max-height:104px;
    position:sticky;
    top:0;
    z-index:9990;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    padding:0 48px;
    background:rgba(247,246,242,.94);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border-bottom:1px solid rgba(0,0,0,.06);
  }
  .brand{
    display:flex;
    align-items:center;
    gap:18px;
    min-width:330px;
    height:104px;
    flex:0 0 auto;
    color:inherit;
    text-decoration:none;
  }
  .brand-logo-img{
    display:block;
    width:108px;
    height:108px;
    min-width:108px;
    max-width:108px;
    min-height:108px;
    max-height:108px;
    object-fit:contain;
    flex:0 0 auto;
    background:transparent;
    border-radius:0;
  }
  .brand-text{
    font-size:16px;
    line-height:1;
    letter-spacing:.34em;
    text-transform:uppercase;
    white-space:nowrap;
    font-weight:400;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
  }
  .nav{
    display:flex;
    align-items:center;
    justify-content:flex-end;
    gap:24px;
    height:104px;
    font-size:15px;
    line-height:1;
    color:#2a2927;
    flex:1 1 auto;
    min-width:0;
    white-space:nowrap;
  }
  .nav a{
    position:relative;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    height:104px;
    padding:0;
    margin:0;
    font-size:15px;
    line-height:1;
    letter-spacing:.01em;
    font-weight:400;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
    white-space:nowrap;
    color:#2a2927;
    text-decoration:none;
  }
  .nav a::after{
    content:"";
    position:absolute;
    left:0;
    bottom:37px;
    width:0;
    height:1px;
    background:#111;
    transition:width .24s ease;
  }
  .nav a:hover::after{width:100%}
  @media (max-width:980px){
    .site-header{height:72px;min-height:72px;max-height:72px;padding:0 18px;gap:12px;align-items:center;flex-wrap:nowrap}
    .brand{height:72px;min-width:auto;gap:12px}
    .brand-logo-img{width:44px;height:44px;min-width:44px;max-width:44px;min-height:44px;max-height:44px}
    .brand-text{font-size:13px;letter-spacing:.22em;max-width:calc(100vw - 120px);overflow:hidden;text-overflow:ellipsis}
    .nav{display:none}
  }

  .page{
    max-width:920px;
    margin:0 auto;
    padding:72px 22px 40px;
  }
  .hero{
    margin-bottom:28px;
    border-bottom:1px solid var(--line);
    padding-bottom:28px;
  }
  .eyebrow{
    text-transform:uppercase;
    letter-spacing:.22em;
    color:var(--muted);
    font-size:12px;
    font-weight:800;
    margin-bottom:14px;
  }
  h1{
    margin:0;
    font-size:clamp(36px,7vw,72px);
    line-height:.95;
    letter-spacing:-.06em;
  }
  .lead{
    margin:20px 0 0;
    color:var(--muted);
    font-size:16px;
    line-height:1.9;
  }
  .lead-en,.en{
    color:#6f6960;
    font-size:14px;
    line-height:1.8;
  }
  .lead-en{margin:10px 0 0}
  .card{
    background:rgba(255,255,255,.72);
    border:1px solid rgba(0,0,0,.08);
    border-radius:var(--radius);
    padding:34px;
    box-shadow:var(--shadow);
    margin:20px 0;
  }
  h2{
    margin:0 0 14px;
    font-size:22px;
    letter-spacing:-.03em;
  }
  p,li{
    color:#4d4942;
    line-height:1.9;
    font-size:15px;
  }
  ul{margin:10px 0 0;padding-left:1.2em}
  .en-block{
    margin-top:16px;
    padding-top:16px;
    border-top:1px solid rgba(0,0,0,.07);
  }
  .en-block h3{
    margin:0 0 10px;
    font-size:16px;
    line-height:1.45;
    letter-spacing:0;
    text-transform:none;
    color:#24211d;
    font-weight:700;
  }
  .note{
    background:var(--soft);
    border-radius:18px;
    padding:16px 18px;
    color:#5f594f;
    font-size:14px;
  }
  .back{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    margin-top:26px;
    height:44px;
    padding:0 20px;
    border-radius:999px;
    background:var(--dark);
    color:#fff;
    font-size:14px;
    font-weight:800;
  }
  .legal-footer{
    text-align:center;
    margin:40px auto;
    padding:0 22px;
    font-size:12px;
    line-height:1.8;
    color:#666;
  }
  .legal-footer a{text-decoration:underline;text-underline-offset:3px}

  .contact-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
  .contact-action{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:44px;
    padding:0 18px;
    border-radius:999px;
    border:1px solid rgba(0,0,0,.16);
    background:#fff;
    color:#161616;
    font-size:14px;
    font-weight:800;
  }
  .contact-action.primary{background:var(--dark);color:#fff;border-color:var(--dark)}
  .contact-list{margin:12px 0 0;padding-left:1.2em}
  .contact-list li{margin:6px 0}

  .contact-methods{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:14px;
    margin-top:20px;
  }
  .contact-method{
    display:flex;
    flex-direction:column;
    gap:10px;
    min-height:220px;
    padding:22px;
    border:1px solid rgba(0,0,0,.08);
    border-radius:22px;
    background:rgba(255,255,255,.68);
  }
  .method-kicker{
    color:var(--muted);
    font-size:11px;
    font-weight:800;
    letter-spacing:.16em;
    text-transform:uppercase;
  }
  .method-title{
    margin:0;
    color:var(--ink);
    font-size:18px;
    line-height:1.25;
    letter-spacing:-.03em;
  }
  .method-body{
    margin:0;
    color:#5a554d;
    font-size:14px;
    line-height:1.75;
  }
  .method-link{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:max-content;
    max-width:100%;
    min-height:38px;
    margin-top:auto;
    padding:0 14px;
    border-radius:999px;
    border:1px solid rgba(0,0,0,.14);
    background:#fff;
    color:#161616;
    font-size:13px;
    font-weight:800;
  }
  .method-link.primary{background:var(--dark);color:#fff;border-color:var(--dark)}
  .contact-safe-note{margin-top:18px}
  @media (max-width:820px){
    .contact-methods{grid-template-columns:1fr}
    .contact-method{min-height:auto}
  }
  @media (max-width:720px){
    .page{padding-top:54px}
    .card{padding:24px;border-radius:22px}
  }

/* v379-fixed2: contact page header responsive unification
   Mirror the main site's compact desktop header breakpoints. */
@media (min-width:981px) and (max-width:1380px){
  .site-header{
    padding:0 24px;
    gap:14px;
  }
  .site-header .brand{
    min-width:250px;
    gap:14px;
  }
  .site-header .brand-logo-img{
    width:86px;
    height:86px;
    min-width:86px;
    max-width:86px;
    min-height:86px;
    max-height:86px;
  }
  .site-header .brand-text{
    font-size:14px;
    letter-spacing:.28em;
  }
  .site-header .nav{
    gap:14px;
    font-size:14px;
  }
  .site-header .nav a{
    font-size:14px;
  }
}

@media (min-width:981px) and (max-width:1120px){
  .site-header{
    padding:0 18px;
    gap:10px;
  }
  .site-header .brand{
    min-width:205px;
    gap:10px;
  }
  .site-header .brand-logo-img{
    width:64px;
    height:64px;
    min-width:64px;
    max-width:64px;
    min-height:64px;
    max-height:64px;
  }
  .site-header .brand-text{
    font-size:12.5px;
    letter-spacing:.22em;
  }
  .site-header .nav{
    gap:7px;
    font-size:12.5px;
  }
  .site-header .nav a{
    font-size:12.5px;
  }
}

/* v379-fixed3 · BAOLONG LAB brand wordmark exact-match lock
   Mirrors css/common.css so login and static information pages render the wordmark identically. */
.login-header .brand-text,
.site-header .brand-text{
  display:block !important;
  flex:0 0 auto !important;
  font-size:16px !important;
  line-height:1 !important;
  letter-spacing:.34em !important;
  text-transform:uppercase !important;
  white-space:nowrap !important;
  font-weight:400 !important;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif !important;
  font-synthesis:none !important;
  -webkit-font-smoothing:antialiased !important;
  text-rendering:geometricPrecision !important;
  font-optical-sizing:none !important;
  transform:none !important;
  animation:none !important;
  transition:none !important;
}
@media (min-width:981px) and (max-width:1380px){
  .login-header .brand-text,
  .site-header .brand-text{
    font-size:14px !important;
    letter-spacing:.28em !important;
  }
}
@media (min-width:981px) and (max-width:1120px){
  .login-header .brand-text,
  .site-header .brand-text{
    font-size:12.5px !important;
    letter-spacing:.22em !important;
  }
}
@media (max-width:980px){
  .login-header .brand-text,
  .site-header .brand-text{
    font-size:13px !important;
    letter-spacing:.22em !important;
  }
}