:root{
    --blue:#0b5fd8; --blue-d:#0a4bb0; --cyan:#0ec5c9; --ink:#12213a;
    --gray:#5b6b85; --bg:#f5f8fc; --line:#e3eaf4; --price:#e0452c;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  body{font-family:"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.7}
  a{text-decoration:none;color:inherit}
  .wrap{max-width:1160px;margin:0 auto;padding:0 20px}

  /* 顶部通栏 */
  .topbar{background:#0d1b33;color:#c9d6ec;font-size:13px}
  .topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px}
  .topbar b{color:#fff}
  /* 导航 */
  header.nav{position:sticky;top:0;background:#fff;box-shadow:0 2px 14px rgba(18,33,58,.08);z-index:99;border-top:3px solid var(--blue)}
  .nav-in{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
  .logo{display:flex;align-items:center;gap:11px;padding:8px 18px;border-radius:14px;background:linear-gradient(135deg,#0b5fd8 0%,#0d3a8c 100%);box-shadow:0 6px 18px rgba(11,95,216,.28);text-decoration:none;flex-shrink:0;transition:.2s}
  .logo:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(11,95,216,.4)}
  .logo .mark{width:42px;height:42px;border-radius:11px;background:linear-gradient(135deg,#ffffff,#e3f0ff);display:flex;align-items:center;justify-content:center;color:var(--blue);font-size:22px;box-shadow:0 3px 8px rgba(0,0,0,.18)}
  .logo .txt{display:flex;flex-direction:column;line-height:1.1}
  .logo .txt b{font-size:21px;font-weight:800;color:#fff;letter-spacing:.5px}
  .logo .txt i{font-size:11px;font-weight:600;color:rgba(255,255,255,.85);font-style:normal;margin-top:3px;letter-spacing:.2px}
  nav.menu{display:flex;gap:0;font-size:14.5px;font-weight:600;flex:1;justify-content:center}
  nav.menu > a,nav.menu > .drop > a{padding:10px 12px;border-radius:8px;color:#2b3a52;transition:.2s;display:inline-flex;align-items:center;gap:3px;text-decoration:none;white-space:nowrap}
  nav.menu > a:hover,nav.menu > .drop:hover > a{color:#fff;background:linear-gradient(135deg,var(--blue),var(--cyan))}
  nav.menu > a.on{color:var(--blue);background:transparent;border-bottom:2px solid var(--blue);border-radius:8px 8px 0 0}
  nav.menu .drop{position:relative}
  nav.menu .drop .caret{font-size:10px;transition:.2s;display:inline-block}
  nav.menu .drop:hover .caret{transform:rotate(180deg)}
  .dropdown{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);background:#fff;border-radius:14px;box-shadow:0 14px 40px rgba(13,27,51,.18);min-width:360px;padding:18px;display:grid;gap:6px;opacity:0;visibility:hidden;transition:.25s;border:1px solid #e8eef7}
  nav.menu .drop:hover .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
  .dropdown a{display:flex;align-items:center;gap:14px;padding:10px;border-radius:10px;color:#2b3a52;font-size:14.5px;font-weight:600;text-decoration:none;transition:.15s}
  .dropdown a:hover{background:#eaf2ff;color:var(--blue)}
  .dropdown a .ico{width:50px;height:40px;border-radius:8px;background:#f5f8fc;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0;overflow:hidden}
  .dropdown a .ico img{width:100%;height:100%;object-fit:cover;display:block}
  .dropdown a .txt small{display:block;font-size:12px;color:#8a96a8;font-weight:400;margin-top:2px}
  .dropdown a:hover .ico{background:#d6e6fb}
  .nav-tel{display:flex;align-items:center;gap:10px;background:linear-gradient(135deg,#ff3030 0%,#ff7a18 100%);color:#fff;padding:12px 22px;border-radius:12px;font-weight:800;font-size:16px;box-shadow:0 6px 18px rgba(255,48,48,.28);text-decoration:none;flex-shrink:0;transition:.2s}
  .nav-tel:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,48,48,.38)}
  .nav-tel .ico{font-size:18px}

  /* Hero — 第一屏视觉系统 */
  .hero{background:linear-gradient(180deg,#edf4fd 0%,#f6f9fe 68%,#fff 100%);color:var(--ink);padding:64px 0 110px;position:relative;overflow:hidden}
  /* 装饰：右上角极淡蓝光晕 */
  .hero::after{content:"";position:absolute;right:-140px;top:-160px;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(11,95,216,.08) 0%,rgba(11,95,216,0) 65%);pointer-events:none}
  .hero-grid{position:relative;display:grid;grid-template-columns:1.15fr 1fr;gap:48px;align-items:center;max-width:1240px;margin:0 auto;padding:0 24px;z-index:2}

  .hero h1{font-size:48px;line-height:1.18;font-weight:800;margin:0 0 18px;letter-spacing:-1px;color:#0d1f3c}
  .hero h1 .line1{display:block}
  .hero h1 .sep{display:inline-block;width:14px;height:14px;background:#8fa3bd;border-radius:50%;margin:0 14px;vertical-align:.22em;flex-shrink:0}
  .hero h1 .line2{display:flex;align-items:center;gap:14px;margin-top:6px;flex-wrap:wrap}
  .hero .badge{display:inline-flex;align-items:center;gap:6px;background:linear-gradient(135deg,#ffd54f,#ffaa00);color:#3a2400;font-size:17px;font-weight:800;padding:7px 18px;border-radius:999px;letter-spacing:1.5px;box-shadow:0 6px 16px rgba(255,170,0,.35)}
  .hero .badge::before{content:"";width:7px;height:7px;border-radius:50%;background:#3a2400;box-shadow:0 0 0 3px rgba(58,36,0,.2)}

  /* Hero 副标 */
  .hero-subline{margin:0 0 22px;display:flex;flex-direction:column;gap:8px;max-width:580px}
  .hero-subline .lead{font-size:18px;font-weight:700;color:#0a4bb0;letter-spacing:.2px}
  .hero-subline .btm{font-size:14px;color:#5a6b84;line-height:1.7;letter-spacing:.3px}
  .hero-subline .btm b{color:#0d1f3c;font-weight:700}

  /* Hero 大手机号块(同行通用:客户最关心电话) */
  .hero-phone{display:flex;align-items:center;gap:16px;background:linear-gradient(135deg,#0a4bb0 0%,#0d6fd8 100%);color:#fff;padding:14px 20px;border-radius:14px;text-decoration:none;margin-bottom:18px;box-shadow:0 14px 32px rgba(11,95,216,.32);transition:all .25s;position:relative;overflow:hidden}
  .hero-phone::before{content:"";position:absolute;right:-30px;top:-30px;width:140px;height:140px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.18),transparent 70%);pointer-events:none}
  .hero-phone:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(11,95,216,.42)}
  .hero-phone .ico{width:50px;height:50px;background:rgba(255,255,255,.18);border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0;position:relative;z-index:1}
  .hero-phone .ico::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:2px solid rgba(255,255,255,.3);animation:phonePulse 2s ease-out infinite}
  @keyframes phonePulse{0%{transform:scale(1);opacity:.8}100%{transform:scale(1.4);opacity:0}}
  .hero-phone .txt{flex:1;position:relative;z-index:1}
  .hero-phone .txt small{display:block;font-size:12px;color:rgba(255,255,255,.85);letter-spacing:.5px;margin-bottom:2px}
  .hero-phone .txt b{display:block;font-size:28px;font-weight:900;letter-spacing:.5px;line-height:1.1}
  .hero-phone .arr{font-size:24px;opacity:.7;position:relative;z-index:1}

  /* Hero CTA 按钮组(蓝色主色,与大号块统一) */
  .hero-cta{display:flex;gap:12px;margin-bottom:22px;flex-wrap:wrap}
  .btn-hero{display:inline-flex;align-items:center;justify-content:center;padding:14px 26px;border-radius:11px;font-size:15px;font-weight:800;letter-spacing:.5px;transition:all .25s;cursor:pointer;border:none;min-width:170px}
  .btn-hero.primary{background:linear-gradient(135deg,#ff3030 0%,#ff7a18 100%);color:#fff;box-shadow:0 8px 22px rgba(255,48,48,.30)}
  .btn-hero.primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,48,48,.40)}
  .btn-hero.ghost{background:#fff;color:#0a4bb0;border:1.5px solid rgba(13,79,176,.28);box-shadow:0 4px 14px rgba(13,79,176,.06)}
  .btn-hero.ghost:hover{border-color:#0a4bb0;transform:translateY(-2px);box-shadow:0 8px 22px rgba(13,79,176,.14)}

  /* Hero 信任行 */
  .hero-trust{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:#5a6b84;padding:12px 18px;background:#fff;border-radius:12px;border:1px solid #e4ecf6;box-shadow:0 4px 16px rgba(18,33,58,.04)}
  .hero-trust .item{display:flex;align-items:center;gap:7px}
  .hero-trust .dot{width:8px;height:8px;border-radius:50%;background:#2bbf6c;box-shadow:0 0 8px rgba(43,191,108,.5);flex-shrink:0}
  .hero-trust .sep{color:#c3cfdd}
  .hero-trust b{color:#0d1f3c;font-weight:700}

  /* Hero 右侧实景图 + 浮动徽章 */
  .hero-r{position:relative;height:100%}
  .hero-img{position:relative;border-radius:20px;overflow:visible;aspect-ratio:3/4;max-height:600px;box-shadow:0 30px 70px rgba(13,79,176,.22)}
  .hero-img img{width:100%;height:100%;object-fit:cover;display:block;border-radius:20px}
  .badge-float{position:absolute;display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:14px;box-shadow:0 12px 30px rgba(13,79,176,.18);backdrop-filter:blur(4px);animation:badgeFloat 3s ease-in-out infinite}
  @keyframes badgeFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
  .badge-float.f1{top:26px;left:-28px;background:linear-gradient(135deg,#0a4bb0,#0d6fd8);color:#fff;animation-delay:0s}
  .badge-float.f1 b{font-size:30px;font-weight:900;line-height:1;display:flex;align-items:baseline;gap:2px}
  .badge-float.f1 b small{font-size:14px;font-weight:700;opacity:.85}
  .badge-float.f1 span{font-size:12px;color:rgba(255,255,255,.85);letter-spacing:.5px;display:block;margin-top:3px}
  .badge-float.f2{bottom:120px;right:-32px;background:#fff;color:#0d1f3c;animation-delay:.8s}
  .badge-float.f2 .ico{font-size:18px}
  .badge-float.f2 b{display:block;font-size:15px;font-weight:800;line-height:1.2}
  .badge-float.f2 i{font-size:11.5px;color:#5a6b84;font-style:normal;display:block;margin-top:2px}
  .badge-float.f3{bottom:28px;left:24px;background:#fff;color:#0d1f3c;animation-delay:1.5s}
  .badge-float.f3 b{font-size:26px;font-weight:900;line-height:1;color:#0a4bb0;display:flex;align-items:baseline;gap:1px}
  .badge-float.f3 b sup{font-size:14px;font-weight:800;color:#ff7a18;top:-6px}
  .badge-float.f3 span{font-size:12px;color:#5a6b84;letter-spacing:.3px;display:block;margin-top:2px}

  /* 数据条 */
  .stats{background:#fff;margin-top:-48px;position:relative;z-index:5;border-radius:14px;box-shadow:0 12px 40px rgba(18,33,58,.10);border:1px solid #e4ecf6}
  .stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);text-align:center;padding:26px 10px}
  .stats b{font-size:32px;font-weight:800;color:var(--blue)}
  .stats b i{font-style:normal;font-size:16px;color:var(--cyan)}
  .stats span{display:block;font-size:13px;color:var(--gray);margin-top:2px}
  .stat-tile{display:block;padding:18px 14px;border-radius:12px;text-align:center;text-decoration:none;color:inherit;background:transparent;border:1px solid transparent;transition:all .25s ease;cursor:default;position:relative}
  .stat-link{cursor:pointer}
  .stat-tile small{display:block;font-size:11.5px;color:#9aa9bf;margin-top:6px;letter-spacing:.3px;opacity:0;transform:translateY(-4px);transition:all .25s ease}
  .stat-link small{opacity:1;color:var(--price);font-weight:600}
  .stat-link:hover{background:#fff;border-color:var(--blue);box-shadow:0 10px 28px rgba(11,95,216,.18);transform:translateY(-4px)}
  .stat-link:hover b{color:#0a4bb0}
  .stat-link:hover small{transform:translateY(0);color:#d8341f}
  /* stat-tile 4 张卡片色彩变体 */
  .stat-tile{position:relative;overflow:hidden}
  .stat-tile::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;opacity:.85;transition:all .25s}
  .stat-tile.s1{background:linear-gradient(135deg,#e3f2fd 0%,#f4faff 100%);border:1px solid rgba(14,165,233,.2)}
  .stat-tile.s1::before{background:linear-gradient(90deg,#0ea5e9,#38bdf8)}
  .stat-tile.s1 b{color:#0284c7}
  .stat-tile.s1:hover{background:linear-gradient(135deg,#bae6fd 0%,#e0f2fe 100%);border-color:#38bdf8;box-shadow:0 10px 28px rgba(14,165,233,.25);transform:translateY(-4px)}
  .stat-tile.s2{background:linear-gradient(135deg,#fef3c7 0%,#fffbeb 100%);border:1px solid rgba(234,179,8,.2)}
  .stat-tile.s2::before{background:linear-gradient(90deg,#eab308,#fcd34d)}
  .stat-tile.s2 b{color:#ca8a04}
  .stat-tile.s2:hover{background:linear-gradient(135deg,#fde68a 0%,#fef3c7 100%);border-color:#fcd34d;box-shadow:0 10px 28px rgba(234,179,8,.25);transform:translateY(-4px)}
  .stat-tile.s3{background:linear-gradient(135deg,#f3e8ff 0%,#faf5ff 100%);border:1px solid rgba(168,85,247,.2)}
  .stat-tile.s3::before{background:linear-gradient(90deg,#a855f7,#c084fc)}
  .stat-tile.s3 b{color:#9333ea}
  .stat-tile.s3:hover{background:linear-gradient(135deg,#e9d5ff 0%,#f3e8ff 100%);border-color:#c084fc;box-shadow:0 10px 28px rgba(168,85,247,.25);transform:translateY(-4px)}
  .stat-tile.s4{background:linear-gradient(135deg,#ccfbf1 0%,#f0fdfa 100%);border:1px solid rgba(20,184,166,.2)}
  .stat-tile.s4::before{background:linear-gradient(90deg,#14b8a6,#2dd4bf)}
  .stat-tile.s4 b{color:#0d9488}
  .stat-tile.s4:hover{background:linear-gradient(135deg,#99f6e4 0%,#ccfbf1 100%);border-color:#2dd4bf;box-shadow:0 10px 28px rgba(20,184,166,.25);transform:translateY(-4px)}

  /* 商用板块数据卡片（深蓝色板上的玻璃质感卡） */
  .com-stat{display:block;text-decoration:none;color:inherit;background:rgba(255,255,255,.12);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:22px 18px;text-align:center;transition:all .3s cubic-bezier(.2,.7,.3,1);position:relative;overflow:hidden;cursor:pointer}
  .com-stat b{font-size:34px;font-weight:800;color:#aee0ff;line-height:1;display:block;transition:all .3s}
  .com-stat span{font-size:13px;color:rgba(255,255,255,.9);margin-top:6px;display:block}
  .com-stat small{display:block;font-size:11.5px;color:#ffd54f;margin-top:10px;opacity:0;transform:translateY(-6px);transition:all .3s;letter-spacing:.5px;font-weight:600}
  .com-stat::after{content:"→";position:absolute;top:12px;right:14px;font-size:18px;color:rgba(255,255,255,.35);transition:all .3s}
  .com-stat:hover{background:rgba(255,255,255,.22);border-color:rgba(255,255,255,.5);transform:translateY(-6px);box-shadow:0 16px 38px rgba(0,30,90,.45)}
  .com-stat:hover b{color:#fff;font-size:38px;text-shadow:0 0 18px rgba(174,224,255,.6)}
  .com-stat:hover span{color:#fff}
  .com-stat:hover small{opacity:1;transform:translateY(0)}
  .com-stat:hover::after{transform:translateX(6px);color:#ffd54f;font-weight:700}
  .com-stat:active{transform:translateY(-2px);transition:all .1s}
  /* 4张卡片色彩变体 */
  .com-stat.c1{background:linear-gradient(135deg,rgba(14,165,233,.28),rgba(14,165,233,.10));border:1px solid rgba(14,165,233,.55)}
  .com-stat.c1 b{color:#7dd3fc}
  .com-stat.c1::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#0ea5e9,#38bdf8)}
  .com-stat.c1:hover{background:linear-gradient(135deg,rgba(14,165,233,.42),rgba(14,165,233,.18));border-color:#38bdf8;box-shadow:0 16px 38px rgba(14,165,233,.45)}
  .com-stat.c1:hover b{color:#fff;text-shadow:0 0 18px rgba(125,211,252,.8)}
  .com-stat.c2{background:linear-gradient(135deg,rgba(234,179,8,.26),rgba(234,179,8,.08));border:1px solid rgba(234,179,8,.55)}
  .com-stat.c2 b{color:#fde68a}
  .com-stat.c2::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#eab308,#fcd34d)}
  .com-stat.c2:hover{background:linear-gradient(135deg,rgba(234,179,8,.42),rgba(234,179,8,.16));border-color:#fcd34d;box-shadow:0 16px 38px rgba(234,179,8,.45)}
  .com-stat.c2:hover b{color:#fff;text-shadow:0 0 18px rgba(253,230,138,.8)}
  .com-stat.c3{background:linear-gradient(135deg,rgba(168,85,247,.26),rgba(168,85,247,.08));border:1px solid rgba(168,85,247,.55)}
  .com-stat.c3 b{color:#d8b4fe}
  .com-stat.c3::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#a855f7,#c084fc)}
  .com-stat.c3:hover{background:linear-gradient(135deg,rgba(168,85,247,.42),rgba(168,85,247,.16));border-color:#c084fc;box-shadow:0 16px 38px rgba(168,85,247,.45)}
  .com-stat.c3:hover b{color:#fff;text-shadow:0 0 18px rgba(216,180,254,.8)}
  .com-stat.c4{background:linear-gradient(135deg,rgba(20,184,166,.26),rgba(20,184,166,.08));border:1px solid rgba(20,184,166,.55)}
  .com-stat.c4 b{color:#5eead4}
  .com-stat.c4::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#14b8a6,#2dd4bf)}
  .com-stat.c4:hover{background:linear-gradient(135deg,rgba(20,184,166,.42),rgba(20,184,166,.16));border-color:#2dd4bf;box-shadow:0 16px 38px rgba(20,184,166,.45)}
  .com-stat.c4:hover b{color:#fff;text-shadow:0 0 18px rgba(94,234,212,.8)}

  /* 通用标题 */
  section{padding:72px 0}
  .sec-t{text-align:center;margin-bottom:44px}
  .sec-t h2{font-size:30px;font-weight:800}
  .sec-t h2::after{content:"";display:block;width:52px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--blue),var(--cyan));margin:12px auto 0}
  .sec-t p{color:var(--gray);margin-top:10px;font-size:15px}

  /* 服务 */
  .svc{background:linear-gradient(180deg,#f7faff 0%,#edf4fb 100%);position:relative;overflow:hidden}
  .svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
  .svc-it{background:#fff;border-radius:14px;padding:28px 22px;border:1px solid var(--line);box-shadow:0 4px 16px rgba(18,33,58,.05);transition:.25s;position:relative;overflow:hidden}
  .svc-it::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--blue),var(--cyan));opacity:0;transition:.25s}
  .svc-it:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(11,95,216,.15);border-color:#bcd4f5}
  .svc-it:hover::before{opacity:1}
  .svc-it .ic{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:14px;color:#fff;box-shadow:0 4px 12px rgba(18,33,58,.18)}
  .svc-it h3{font-size:17px;margin-bottom:8px}
  .svc-it p{font-size:13.5px;color:var(--gray)}
  .c1{background:linear-gradient(135deg,#0a4bb0,#3f8cff)}.c2{background:linear-gradient(135deg,#00897b,#4db6ac)}.c3{background:linear-gradient(135deg,#ef6c00,#ffb74d)}.c4{background:linear-gradient(135deg,#7b1fa2,#ce93d8)}
  .c5{background:linear-gradient(135deg,#e53935,#ff8a65)}.c6{background:linear-gradient(135deg,#c2185b,#f48fb1)}.c7{background:linear-gradient(135deg,#d84315,#ffab91)}.c8{background:linear-gradient(135deg,#0277bd,#4fc3f7)}

  /* 通用胶囊标签 */
  .pill{display:inline-block;background:rgba(11,95,216,.08);border:1px solid rgba(11,95,216,.18);border-radius:999px;padding:6px 18px;font-size:13px;color:var(--blue);margin-bottom:14px;font-weight:600}

  /* 品牌对比表 */
  table.cmp{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 8px 30px rgba(18,33,58,.08);font-size:14.5px}
  table.cmp th{background:linear-gradient(135deg,#0d2b5e,#0b5fd8);color:#fff;padding:14px 12px;font-size:15px}
  table.cmp td{padding:13px 12px;border-bottom:1px solid var(--line);text-align:center}
  table.cmp td:first-child{font-weight:700;text-align:left}
  table.cmp tr:nth-child(even) td{background:#f8fbff}
  table.cmp .tag{display:inline-block;background:#e8f1ff;color:var(--blue);border-radius:6px;padding:2px 10px;font-size:12.5px;font-weight:600;margin:1px}
  table.cmp .tag.g{background:#e9f7ee;color:#12894a}
  .note{font-size:13px;color:var(--gray);margin-top:12px;text-align:center}

  /* 品牌对比卡（可展开） */
  .brand-card{background:#fff;border-radius:14px;margin-bottom:14px;box-shadow:0 6px 20px rgba(18,33,58,.07);border:1.5px solid var(--line);overflow:hidden;transition:.25s}
  .brand-card:hover{border-color:var(--blue);box-shadow:0 14px 32px rgba(11,95,216,.15);transform:translateY(-2px)}
  .brand-card[open]{border-color:var(--blue);box-shadow:0 12px 30px rgba(11,95,216,.12)}
  .brand-card summary{list-style:none;cursor:pointer;padding:18px 22px;display:grid;grid-template-columns:140px 180px 1fr 1fr 30px;align-items:center;gap:16px;background:linear-gradient(135deg,#f7faff,#fff);transition:.2s}
  .brand-card summary::-webkit-details-marker{display:none}
  .brand-card summary:hover{background:linear-gradient(135deg,#eaf2fb,#f7faff)}
  .b-logo{display:flex;flex-direction:column;align-items:center;justify-content:center;width:130px;height:46px;border-radius:10px;color:#fff;box-shadow:0 4px 12px rgba(0,0,0,.15);padding:4px 6px;gap:1px}
  .b-logo .l-en{font-weight:800;letter-spacing:1.6px;line-height:1.05;opacity:.96}
  .b-logo .l-cn{font-weight:900;letter-spacing:1px;line-height:1.05}
  .b-price{font-weight:800;color:var(--blue);font-size:16px}
  .b-tag-wrap{display:flex;gap:5px;flex-wrap:wrap}
  .b-fit{font-size:14px;color:var(--gray)}
  .b-arrow{font-size:13px;color:var(--blue);transition:transform .3s;text-align:center}
  .brand-card[open] .b-arrow{transform:rotate(180deg)}
  .b-body{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#f9fbfe;border-top:1px solid var(--line);animation:slideDown .35s ease}
  @keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}
  .b-col{padding:22px 20px;border-right:1px solid var(--line)}
  .b-col:last-child{border-right:none;background:#fdf3e8}
  .b-col h4{font-size:15px;color:var(--blue);margin-bottom:12px;font-weight:700;padding-bottom:8px;border-bottom:2px solid var(--cyan);display:inline-block}
  .b-col ul{list-style:none;padding:0;margin:0;font-size:13px;line-height:1.85;color:var(--ink)}
  .b-col ul li{padding:2px 0}
  .b-col ul li b{color:var(--ink)}
  .b-cta{display:inline-block;margin-top:14px;background:linear-gradient(135deg,#ff3030,#ff7a18);color:#fff;padding:10px 22px;border-radius:8px;font-weight:700;font-size:14px;text-decoration:none;box-shadow:0 4px 12px rgba(255,48,48,.25);transition:.2s}
  .b-cta:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(255,48,48,.35)}
  @media(max-width:960px){
    .brand-card summary{grid-template-columns:100px 1fr 30px;gap:10px;padding:14px 16px}
    .b-tag-wrap,.b-fit{display:none}
    .b-logo{width:90px;height:38px;padding:3px 4px}
    .b-logo .l-en{font-size:9px;letter-spacing:1px}
    .b-logo .l-cn{font-size:13px;letter-spacing:.5px}
    .b-body{grid-template-columns:1fr}
    .b-col{border-right:none;border-bottom:1px solid var(--line)}
  }

  /* 产品卡 */
  .prod{background:linear-gradient(180deg,#f7faff 0%,#eaf2fb 100%)}
  .prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
  .p-it{background:#fff;border-radius:14px;overflow:hidden;border:1px solid var(--line);box-shadow:0 6px 20px rgba(18,33,58,.07);transition:.25s;position:relative}
  .p-it::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--blue),var(--cyan));z-index:2}
  .p-it:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(18,33,58,.16)}
  .p-img{height:150px;display:flex;align-items:center;justify-content:center;font-size:52px;background:#fff}
  .p-bd{padding:18px 18px 20px;border-top:1px solid var(--line)}
  .p-bd .br{font-size:12px;color:var(--blue);background:#e8f1ff;display:inline-block;border-radius:6px;padding:2px 10px;font-weight:600}
  .p-bd h3{font-size:16px;margin:8px 0 6px;line-height:1.4}
  .p-bd .pr{color:var(--price);font-size:21px;font-weight:800}
  .p-bd .pr small{font-size:12px;color:var(--gray);font-weight:400}
  .p-bd p{font-size:12.5px;color:var(--gray);margin-top:4px}

  /* 案例 */
  .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  .c-it{border-radius:14px;padding:30px 26px;color:#fff;position:relative;overflow:hidden;min-height:170px}
  .c-it::after{content:"❝";position:absolute;right:18px;top:6px;font-size:64px;opacity:.18}
  .c-it h3{font-size:18px;margin-bottom:10px}
  .c-it p{font-size:13.5px;opacity:.92}
  .cg1{background:linear-gradient(135deg,#0b5fd8,#0ec5c9)}
  .cg2{background:linear-gradient(135deg,#123c78,#0b5fd8)}
  .cg3{background:linear-gradient(135deg,#0a4bb0,#3f8cff)}

  /* 流程 */
  .flow{background:linear-gradient(160deg,#0d2b5e 0%,#0b5fd8 60%,#0ec5c9 130%);position:relative;overflow:hidden}
  .flow .sec-t h2{color:#fff}
  .flow-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
  .f-it{background:#fff;border-radius:12px;padding:22px 12px;text-align:center;border:1px solid var(--line);box-shadow:0 8px 24px rgba(0,20,60,.25)}
  .f-it .n{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 10px;box-shadow:0 4px 10px rgba(10,75,176,.35)}
  .f-it h4{font-size:14.5px;margin-bottom:4px}
  .f-it p{font-size:12px;color:var(--gray)}
  .free{margin-top:26px;text-align:center;background:rgba(255,255,255,.1);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:14px;padding:26px}
  .free b{font-size:20px}
  .free .btn-w{margin-top:14px}

  /* FAQ */
  .faq-sec{background:linear-gradient(180deg,#f7faff,#eef4fb)}
  details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;box-shadow:0 3px 12px rgba(18,33,58,.05);transition:.2s}
  details[open]{box-shadow:0 10px 28px rgba(11,95,216,.12);border-color:#bcd4f5}
  summary{cursor:pointer;padding:18px 22px;font-weight:700;font-size:15.5px;list-style:none;display:flex;align-items:center}
  summary::before{content:"Q";width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;font-size:14px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;margin-right:12px;flex-shrink:0}
  summary::after{content:"+";font-size:20px;color:var(--blue);transition:.2s;margin-left:auto}
  details[open] summary::after{transform:rotate(45deg)}
  details .a{padding:0 22px 18px;color:var(--gray);font-size:14.5px}

  /* 底部 */
  footer{background:#0d1b33;color:#8fa3c4;padding:52px 0 26px;font-size:14px}
  .ft-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:36px;margin-bottom:34px}
  footer h4{color:#fff;font-size:16px;margin-bottom:14px}
  footer li{list-style:none;padding:4px 0}
  footer .tel-b{font-size:24px;color:#7df0f2;font-weight:800}
  .copy{border-top:1px solid #1d2d4d;padding-top:20px;text-align:center;font-size:12.5px;color:#5b6b85}

  /* 响应式 */
  @media(max-width:1180px){
    .logo .txt i{display:none}
    nav.menu{gap:2px;font-size:14px}
    nav.menu > a,nav.menu > .drop > a{padding:9px 10px}
  }
  @media(max-width:1200px){
    nav.menu{gap:0;font-size:14px}
    nav.menu > a,nav.menu > .drop > a{padding:9px 9px}
    .logo .txt i{font-size:10.5px}
    .nav-tel{padding:10px 16px;font-size:14.5px}
  }
  @media(max-width:960px){
    .hero{padding:48px 0 80px}
    .hero-grid{grid-template-columns:1fr;gap:32px}
    .hero h1{font-size:32px}
    .hero h1 .badge{font-size:15px;padding:6px 14px}
    .hero-phone .txt b{font-size:22px}
    .btn-hero{min-width:0;flex:1;padding:13px 18px;font-size:14.5px}
    .hero-img{order:-1;max-height:380px;aspect-ratio:4/3}
    .badge-float.f1{left:-8px;top:16px}
    .badge-float.f2{right:-8px;bottom:90px}
    .badge-float.f3{left:16px;bottom:16px}
    .svc-grid,.prod-grid{grid-template-columns:repeat(2,1fr)}
    .case-grid{grid-template-columns:1fr}
    .flow-grid{grid-template-columns:repeat(3,1fr)}
    .stats .wrap{grid-template-columns:repeat(2,1fr)}
    nav.menu{display:none}
    .ft-grid{grid-template-columns:1fr}
    .topbar .wrap{font-size:11.5px}
    .topbar .wrap span:nth-child(1) > span:nth-child(n+3){display:none}
  }

.ind-sec{scroll-margin-top:140px}
.ind-sec .wrap>div>img{transition:transform .4s}
.ind-sec:hover .wrap>div>img{transform:scale(1.02)}
.ind-sec table.cmp tr:hover td{background:#f7faff}
.ind-sec a[href]:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(11,95,216,.35)}
section[id] a[href^="#"]{transition:.2s}


/* ---- 行业二级内容 ---- */
.ind-sub{margin-top:42px;padding-top:30px;border-top:1px dashed #d9e4f2}
.ind-sub h3{font-size:19px;color:#0d1f3c;font-weight:800;margin:0 0 6px;letter-spacing:-.3px}
.ind-sub .sub-desc{font-size:13.5px;color:#5b6b85;margin:0 0 18px}
.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:0 0 34px}
.case-card{border:1px solid #e4ecf6;border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 4px 14px rgba(13,27,51,.05);transition:.2s;display:flex;flex-direction:column}
.case-card:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(13,27,51,.12)}
.case-card .bar{height:5px;flex-shrink:0}
.case-card .cbody{padding:14px 16px 16px;display:flex;flex-direction:column;flex:1}
.case-card .ct{font-size:14.5px;font-weight:800;color:#0d1f3c;margin:0 0 5px;line-height:1.45}
.case-card .cm{font-size:12.5px;color:#5b6b85;margin:0 0 8px}
.case-card .cd{font-size:13px;color:#3a4a64;line-height:1.7;margin:0 0 8px;flex:1}
.case-card .chl{font-size:12.5px;font-weight:700;margin:0}
.faq-item{border:1px solid #e4ecf6;border-radius:10px;background:#fff;margin-bottom:10px;overflow:hidden}
.faq-item summary{cursor:pointer;padding:13px 18px;font-size:14px;font-weight:700;color:#0d1f3c;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:10px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';font-size:20px;color:#0b5fd8;font-weight:800;flex-shrink:0}
.faq-item[open] summary::after{content:'\2212'}
.faq-item .ans{padding:12px 18px 15px;font-size:13.5px;color:#3a4a64;line-height:1.85;border-top:1px dashed #e4ecf6}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:36px}
.step-card{background:#fff;border:1px solid #e4ecf6;border-radius:14px;padding:20px 18px;position:relative;box-shadow:0 4px 14px rgba(13,27,51,.05)}
.step-card .no{position:absolute;top:-12px;left:18px;width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,#0b5fd8,#0ec5c9);color:#fff;font-size:14px;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 10px rgba(11,95,216,.3)}
.step-card h4{font-size:15.5px;color:#0d1f3c;font-weight:800;margin:8px 0 8px}
.step-card p{font-size:13px;color:#5b6b85;line-height:1.75;margin:0}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.quote-card{background:#fff;border:1px solid #e4ecf6;border-radius:14px;padding:20px 22px;box-shadow:0 4px 14px rgba(13,27,51,.05)}
.quote-card .q{text-align:left}
@media(max-width:960px){.case-grid{grid-template-columns:1fr 1fr}.step-grid{grid-template-columns:1fr 1fr}.quote-grid{grid-template-columns:1fr}}
@media(max-width:640px){.case-grid{grid-template-columns:1fr}.step-grid{grid-template-columns:1fr}.quote-grid{grid-template-columns:1fr}}

/* 二级页专属样式 */
  .page-hero{position:relative;padding:64px 0 72px;overflow:hidden}
  .ph-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:52px;align-items:center}
  .crumb{font-size:13px;opacity:.75;margin-bottom:14px}
  .crumb a{color:inherit;text-decoration:none;opacity:.85}
  .crumb a:hover{opacity:1;text-decoration:underline}
  .page-hero h1{font-size:40px;font-weight:800;margin:0 0 14px;letter-spacing:-.5px;line-height:1.25}
  .page-hero .lead{font-size:16.5px;line-height:1.8;opacity:.92;max-width:560px;margin:0 0 26px}
  .page-hero .lead b{font-weight:800}
  .ph-img{border-radius:18px;overflow:hidden;box-shadow:0 24px 60px rgba(0,20,60,.35);border:6px solid rgba(255,255,255,.22)}
  .ph-img img{width:100%;display:block}
  .ph-btns{display:flex;gap:14px;flex-wrap:wrap}
  .sub-sec{padding:66px 0}
  .sub-sec .sec-t{margin-bottom:38px}
  .grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
  .info-card{background:#fff;border-radius:14px;padding:26px;box-shadow:0 8px 26px rgba(15,35,70,.07);border:1px solid #e8eef7;transition:.25s}
  .info-card:hover{transform:translateY(-4px);box-shadow:0 14px 36px rgba(15,35,70,.13)}
  .info-card .ic{width:52px;height:52px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:25px;margin-bottom:14px}
  .info-card h3{margin:0 0 8px;font-size:18px;color:var(--ink)}
  .info-card p{margin:0;font-size:13.5px;line-height:1.75;color:var(--gray)}
  .step-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
  .step{background:#fff;border-radius:13px;padding:22px;border:1px solid #e8eef7;position:relative}
  .step b.no{position:absolute;top:-12px;left:18px;width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px}
  .step h4{margin:6px 0 6px;font-size:15.5px}
  .step p{margin:0;font-size:12.5px;line-height:1.7;color:var(--gray)}
  .price-table{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 8px 26px rgba(15,35,70,.08)}
  .price-table th{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;padding:13px 16px;font-size:14px;text-align:left}
  .price-table td{padding:12px 16px;border-bottom:1px solid #eef2f8;font-size:13.5px}
  .price-table tr:last-child td{border-bottom:none}
  .price-table tr:hover td{background:#f5f9ff}
  .price-table td b{color:var(--blue)}
  @media(max-width:960px){
    .ph-grid{grid-template-columns:1fr;gap:30px}
    .page-hero h1{font-size:30px}
    .grid3,.grid4,.step-row{grid-template-columns:1fr}
  }

/* ===== 产品内容层（移植页专用） ===== */
.container{max-width:1160px;margin:0 auto;padding:0 20px}
.content-wrap{padding:56px 0 24px}
.section{padding:56px 0}
.content-wrap h2,.section h2{font-size:24px;font-weight:800;color:#0d1f3c;margin:44px 0 16px;padding-left:14px;border-left:5px solid #0b5fd8;line-height:1.35}
.content-wrap h2:first-child,.section h2:first-child{margin-top:0}
.content-wrap p,.section p{color:#4a5a74;font-size:14.5px}
.content-wrap ul,.content-wrap ol,.section ul,.section ol{padding-left:24px;color:#4a5a74}
.content-wrap li,.section li{margin:7px 0;font-size:14.5px}
.highlight-box{background:linear-gradient(135deg,#eaf2fd,#f6faff);border:1px solid #d6e6fb;border-left:5px solid #0b5fd8;padding:18px 22px;border-radius:12px;margin:0 0 8px;color:#2b3a52;line-height:1.85;font-size:14.5px}
.info-box{background:linear-gradient(135deg,#fff6ec,#fffdf8);border:1px solid #ffe0b8;border-radius:14px;padding:24px;line-height:1.8}
.content-wrap table,.section table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 8px 26px rgba(15,35,70,.08);font-size:14px;margin:18px 0 30px}
.content-wrap th,.section th{background:linear-gradient(135deg,#0b5fd8,#0ec5c9);color:#fff;padding:12px 14px;text-align:left;font-size:14px}
.content-wrap td,.section td{padding:11px 14px;border-bottom:1px solid #eef2f8;font-size:13.5px;color:#33435e}
.content-wrap tr:hover td,.section tr:hover td{background:#f5f9ff}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:22px 0 40px}
.product-card{background:#fff;border-radius:14px;overflow:hidden;border:1px solid #e3eaf4;box-shadow:0 6px 20px rgba(18,33,58,.07);transition:.25s;position:relative}
.product-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#0b5fd8,#0ec5c9);z-index:2}
.product-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(18,33,58,.16)}
.product-img{height:180px;display:flex;align-items:center;justify-content:center;font-size:52px;background:#fff;overflow:hidden}
.product-img img{width:100%;height:100%;object-fit:cover;display:block}
.product-info{padding:16px 18px 18px;border-top:1px solid #e3eaf4}
.product-info h4{font-size:15.5px;margin:0 0 6px;line-height:1.45;color:#0d1f3c}
.product-info h4 a{color:#0a4bb0;text-decoration:none}
.product-info h4 a:hover{text-decoration:underline}
.product-price{color:#e0452c;font-weight:800;font-size:19px}
.product-price small{font-size:12px;color:#8a96a8;font-weight:400}
.product-info p{font-size:13px;color:#5b6b85;margin:0}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:22px 0 40px}
.two-col > div{background:#fff;border:1px solid #e3eaf4;border-radius:14px;padding:22px;box-shadow:0 4px 16px rgba(18,33,58,.05)}
.two-col h3{color:#0a4bb0;font-size:17px;margin:0 0 8px}
.two-col p{color:#4a5a74;font-size:14px;margin:0}
.faq-list{margin:22px 0 40px}
.faq-item{background:#fff;border:1px solid #e3eaf4;border-radius:12px;margin-bottom:12px;box-shadow:0 3px 12px rgba(18,33,58,.05);overflow:hidden}
.faq-item h4{color:#0a4bb0;font-size:15.5px;margin:0;padding:14px 20px 6px}
.faq-item p{padding:0 20px 14px;margin:0;font-size:13.5px;color:#4a5a74}
.faq-q{padding:16px 20px;font-weight:700;font-size:15px;color:#0d1f3c;background:#f5f9ff}
.faq-a{padding:0 20px 16px;color:#4a5a74;font-size:14.5px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 26px;border-radius:11px;font-weight:800;font-size:15px;letter-spacing:.5px;transition:.25s;text-decoration:none}
.btn-w{background:linear-gradient(135deg,#ff3030,#ff7a18);color:#fff;box-shadow:0 8px 22px rgba(255,48,48,.3)}
.btn-w:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,48,48,.4)}
.btn-o{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.45)}
.btn-o:hover{background:rgba(255,255,255,.22)}
@media(max-width:960px){
  .product-grid{grid-template-columns:1fr 1fr}
  .two-col{grid-template-columns:1fr}
  .content-wrap h2,.section h2{font-size:20px}
}

.cat-sec{padding:46px 0;border-top:1px solid #e4ecf6}
.cat-sec:first-of-type{border-top:none}
.cat-head{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.cat-head .ico{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px;box-shadow:0 6px 16px rgba(0,0,0,.12);border:2.5px solid #fff;flex-shrink:0}
.cat-head h2{font-size:24px;font-weight:800;color:#0d1f3c;margin:0;letter-spacing:-.4px}
.cat-head .sub{font-size:13px;color:#5b6b85;font-weight:600}
.rc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.rc{background:#fff;border:1px solid #e4ecf6;border-radius:14px;overflow:hidden;box-shadow:0 4px 14px rgba(13,27,51,.05);transition:.2s;text-decoration:none;color:inherit;display:flex;flex-direction:column}
.rc:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(13,27,51,.13)}
.rc .ri{height:170px;overflow:hidden;flex-shrink:0}
.rc .ri img{width:100%;height:100%;object-fit:cover;transition:.3s}
.rc:hover .ri img{transform:scale(1.05)}
.rc .rb{padding:14px 16px 16px;display:flex;flex-direction:column;flex:1}
.rc h3{font-size:15px;font-weight:800;color:#0d1f3c;margin:0 0 7px;line-height:1.45}
.rc .meta{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:9px}
.rc .meta span{font-size:11.5px;background:#f0f5fc;color:#3a5378;padding:3px 9px;border-radius:6px;font-weight:600}
.rc p{font-size:13px;color:#3a4a64;line-height:1.7;margin:0;flex:1}
@media(max-width:960px){.rc-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.rc-grid{grid-template-columns:1fr}}