:root{
    --brand:        #991B2D;
    --brand-dark:   #7c1322;
    --brand-soft:   #E6D1D1;
    --brand-soft-2: #f4e9e9;
    --text:    #1f2328;
    --text-2:  #5b6168;
    --text-3:  #8a9099;
    --line:    #e8e8ec;
    --bg:      #ffffff;
    --bg-soft: #fafafb;
    --radius: 14px;
    --maxw: 1180px;
    --shadow-sm: 0 1px 2px rgba(20,20,30,.04), 0 4px 16px rgba(20,20,30,.05);
    --shadow-md: 0 8px 30px rgba(153,27,45,.10);
    --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
            "Microsoft YaHei", "微软雅黑", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  }
  *{ box-sizing:border-box; margin:0; padding:0; }
  html{ scroll-behavior:smooth; }
  body{ font-family:var(--font); color:var(--text); background:var(--bg); line-height:1.7; -webkit-font-smoothing:antialiased; font-size:16px; }
  a{ color:inherit; text-decoration:none; }
  img{ max-width:100%; display:block; }
  .wrap{ max-width:var(--maxw); margin:0 auto; padding:0 24px; }

  /* ============ 头部导航（复刻，仅供预览，可替换为现有菜单） ============ */
  header.site{ position:sticky; top:0; z-index:100; background:rgba(255,255,255,.9); backdrop-filter:saturate(180%) blur(10px); border-bottom:1px solid var(--line); }
  .nav{ display:flex; align-items:center; height:68px; gap:36px; }
  .logo{ display:flex; align-items:center; gap:10px; }
  .logo .mark{ width:36px; height:36px; border-radius:50%; border:2.5px solid var(--brand); position:relative; flex:none; }
  .logo .mark::before{ content:""; position:absolute; inset:7px; border-radius:50%; border:2px solid var(--brand); }
  .logo .mark::after{ content:""; position:absolute; left:50%; top:50%; width:6px; height:6px; border-radius:50%; background:var(--brand); transform:translate(-50%,-50%); }
  .logo .name{ font-size:22px; font-weight:800; letter-spacing:.5px; color:var(--text); }
  .logo .tag{ display:block; font-size:9px; letter-spacing:1px; color:var(--text-3); text-transform:uppercase; font-weight:600; margin-top:-3px; }
  .menu{ display:flex; align-items:center; gap:30px; margin-left:8px; }
  .menu > li{ position:relative; list-style:none; }
  .menu > li > a{ font-size:16px; font-weight:600; color:#3a3f45; padding:8px 0; display:inline-flex; align-items:center; gap:5px; transition:color .18s; }
  .menu > li > a:hover{ color:var(--brand); }
  .caret{ width:9px; height:9px; border-right:2px solid currentColor; border-bottom:2px solid currentColor; transform:rotate(45deg) translateY(-2px); }
  .dropdown{ position:absolute; top:46px; left:-18px; min-width:210px; background:#f5f5f6; border-radius:10px; padding:10px; box-shadow:0 12px 40px rgba(0,0,0,.12); opacity:0; visibility:hidden; transform:translateY(8px); transition:.18s; }
  .menu > li:hover .dropdown{ opacity:1; visibility:visible; transform:translateY(0); }
  .dropdown a{ display:block; padding:11px 14px; border-radius:7px; font-size:15px; color:#4a4f55; font-weight:500; }
  .dropdown a:hover{ background:#ececee; }
  .nav .spacer{ flex:1; }
  .btn-login{ background:var(--brand); color:#fff; font-weight:700; font-size:15px; padding:9px 22px; border-radius:8px; transition:background .18s; }
  .btn-login:hover{ background:var(--brand-dark); }

  /* ============ 通用 ============ */
  .btn{ display:inline-flex; align-items:center; justify-content:center; gap:8px; font-weight:700; font-size:16px; padding:14px 28px; border-radius:10px; cursor:pointer; border:none; transition:.2s; font-family:inherit; }
  .btn-primary{ background:var(--brand); color:#fff; box-shadow:0 6px 18px rgba(153,27,45,.28); }
  .btn-primary:hover{ background:var(--brand-dark); transform:translateY(-2px); box-shadow:0 10px 24px rgba(153,27,45,.34); }
  .btn-ghost{ background:#fff; color:var(--brand); box-shadow:inset 0 0 0 1.5px var(--brand-soft); }
  .btn-ghost:hover{ background:var(--brand-soft-2); }
  .arrow{ transition:transform .2s; } .btn:hover .arrow{ transform:translateX(3px); }
  .eyebrow{ display:inline-flex; align-items:center; gap:8px; font-size:13px; font-weight:700; letter-spacing:1.5px; color:var(--brand); text-transform:uppercase; }
  .eyebrow::before{ content:""; width:22px; height:2px; background:var(--brand); }

  /* ============ 页头横幅 ============ */
  .page-hero{ position:relative; padding:72px 0 56px; overflow:hidden; border-bottom:1px solid var(--line); }
  .page-hero::before{ content:""; position:absolute; top:-200px; right:-140px; width:600px; height:600px; border-radius:50%; background:radial-gradient(circle at center, var(--brand-soft) 0%, rgba(230,209,209,0) 68%); z-index:0; }
  .page-hero .wrap{ position:relative; z-index:1; }
  .page-hero h1{ font-size:44px; font-weight:800; letter-spacing:.5px; margin:16px 0 14px; }
  .page-hero p{ font-size:18px; color:var(--text-2); max-width:560px; }
  .quick-chips{ display:flex; flex-wrap:wrap; gap:12px; margin-top:26px; }
  .quick-chips a{ display:inline-flex; align-items:center; gap:9px; background:#fff; border:1px solid var(--line); border-radius:30px; padding:9px 18px; font-size:15px; font-weight:600; color:var(--text); box-shadow:var(--shadow-sm); transition:.2s; }
  .quick-chips a:hover{ border-color:var(--brand-soft); color:var(--brand); transform:translateY(-2px); }
  .quick-chips svg{ width:17px; height:17px; stroke:var(--brand); }

  /* ============ 主体：信息 + 表单 ============ */
  .contact-main{ padding:72px 0; }
  .contact-grid{ display:grid; grid-template-columns:0.92fr 1.08fr; gap:40px; align-items:start; }

  /* 左：信息卡 */
  .info-col h2{ font-size:26px; font-weight:800; margin-bottom:8px; }
  .info-col .sub{ font-size:15px; color:var(--text-2); margin-bottom:28px; }
  .info-item{ display:flex; gap:16px; padding:20px 0; border-bottom:1px dashed var(--line); }
  .info-item:last-of-type{ border-bottom:none; }
  .info-item .ic{ width:46px; height:46px; flex:none; border-radius:12px; background:var(--brand-soft-2); display:grid; place-items:center; }
  .info-item .ic svg{ width:22px; height:22px; stroke:var(--brand); }
  .info-item .body .k{ font-size:13px; font-weight:700; letter-spacing:.5px; color:var(--text-3); text-transform:uppercase; margin-bottom:4px; }
  .info-item .body .v{ font-size:17px; font-weight:700; color:var(--text); }
  .info-item .body .v a{ color:var(--brand); }
  .info-item .body .v small{ display:block; font-size:13px; font-weight:500; color:var(--text-3); margin-top:3px; }
  .placeholder-tag{ display:inline-block; font-size:11px; font-weight:700; color:var(--brand); background:var(--brand-soft-2); padding:2px 8px; border-radius:5px; margin-left:6px; vertical-align:middle; }

  /* 二维码占位 */
  .qr-box{ display:flex; align-items:center; gap:16px; margin-top:24px; padding:18px; background:var(--bg-soft); border:1px solid var(--line); border-radius:var(--radius); }
  .qr-box .qr{ width:84px; height:84px; flex:none; border-radius:10px; background:repeating-conic-gradient(#d9d9de 0% 25%, #fff 0% 50%) 0 0 / 14px 14px, #fff; border:1px solid var(--line); display:grid; place-items:center; color:var(--text-3); font-size:11px; text-align:center; }
  .qr-box .qr-txt b{ display:block; font-size:15px; font-weight:800; margin-bottom:4px; }
  .qr-box .qr-txt p{ font-size:13px; color:var(--text-2); }

  /* 右：表单卡 */
  .form-card{ background:#fff; border:1px solid var(--line); border-radius:18px; padding:36px 34px; box-shadow:var(--shadow-md); }
  .form-card h3{ font-size:22px; font-weight:800; margin-bottom:6px; }
  .form-card .desc{ font-size:14px; color:var(--text-2); margin-bottom:26px; }
  .field{ margin-bottom:18px; }
  .field label{ display:block; font-size:14px; font-weight:700; color:var(--text); margin-bottom:8px; }
  .field label .req{ color:var(--brand); }
  .field input, .field textarea{ width:100%; font-family:inherit; font-size:15px; color:var(--text); background:var(--bg-soft); border:1.5px solid var(--line); border-radius:10px; padding:13px 15px; transition:.18s; }
  .field input:focus, .field textarea:focus{ outline:none; border-color:var(--brand); background:#fff; box-shadow:0 0 0 3px var(--brand-soft); }
  .field textarea{ resize:vertical; min-height:110px; }
  .field-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
  .form-card .submit{ width:100%; margin-top:6px; }
  .form-note{ font-size:12px; color:var(--text-3); text-align:center; margin-top:14px; }
  .form-ok{ display:none; align-items:center; gap:10px; background:var(--brand-soft-2); color:var(--brand); border-radius:10px; padding:14px 16px; font-size:14px; font-weight:700; margin-top:16px; }
  .form-ok svg{ width:18px; height:18px; flex:none; }

  /* ============ 地图 ============ */
  .map-sec{ padding:0 0 84px; }
  .map-card{ position:relative; border-radius:18px; overflow:hidden; border:1px solid var(--line); box-shadow:var(--shadow-sm); }
  /* 地图占位：替换为高德/百度地图 iframe 即可 */
  .map-ph{ height:380px; background:
      linear-gradient(rgba(153,27,45,.04), rgba(153,27,45,.04)),
      repeating-linear-gradient(0deg, #eef0f2 0 1px, transparent 1px 44px),
      repeating-linear-gradient(90deg, #eef0f2 0 1px, transparent 1px 44px),
      #f6f7f9;
    display:grid; place-items:center; position:relative; }
  .pin{ position:relative; display:flex; flex-direction:column; align-items:center; }
  .pin .dot{ width:30px; height:30px; border-radius:50% 50% 50% 0; background:var(--brand); transform:rotate(-45deg); box-shadow:0 8px 20px rgba(153,27,45,.4); }
  .pin .dot::after{ content:""; position:absolute; left:50%; top:11px; width:10px; height:10px; border-radius:50%; background:#fff; transform:translateX(-50%); }
  .pin .pulse{ position:absolute; top:18px; width:48px; height:14px; border-radius:50%; background:rgba(153,27,45,.18); filter:blur(2px); }
  .map-overlay{ position:absolute; left:24px; bottom:24px; right:24px; max-width:380px; background:#fff; border-radius:14px; padding:22px 24px; box-shadow:0 10px 30px rgba(20,20,30,.14); }
  .map-overlay .k{ font-size:12px; font-weight:700; letter-spacing:1px; color:var(--brand); text-transform:uppercase; }
  .map-overlay .addr{ font-size:17px; font-weight:800; margin:8px 0 16px; line-height:1.5; }
  .map-overlay .btn{ font-size:15px; padding:11px 20px; }

  /* 页脚占位 */
  footer.placeholder{ background:#1a1a1d; color:#9a9aa0; text-align:center; padding:28px; font-size:13px; }
  footer.placeholder b{ color:#fff; }

  .reveal{ opacity:0; transform:translateY(24px); transition:opacity .6s ease, transform .6s ease; }
  .reveal.in{ opacity:1; transform:none; }

  @media (max-width:900px){
    .contact-grid{ grid-template-columns:1fr; gap:36px; }
    .page-hero h1{ font-size:34px; }
    .menu{ display:none; }
    .map-overlay{ position:static; max-width:none; border-radius:0; box-shadow:none; border-top:1px solid var(--line); }
  }
  @media (max-width:560px){
    .field-row{ grid-template-columns:1fr; }
    .page-hero h1{ font-size:28px; }
    .form-card{ padding:26px 20px; }
  }