:root{
      --bg1:#fbfbf7;
      --bg2:#f3f6ff;
      --card:#ffffff;
      --text:#1f2937;
      --muted:#5b6676;
      --line:rgba(31,41,55,.12);
      --brand:#1e4ed8;
      --brand2:#0ea5e9;
      --shadow:0 10px 30px rgba(17,24,39,.08);
      --shadow2:0 6px 18px rgba(17,24,39,.08);
      --radius:16px;
      --radius2:12px;
      --focus: 0 0 0 4px rgba(30,78,216,.16);
    }
    *{box-sizing:border-box}
    body{
      margin:0;
      font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC",
        "Hiragino Sans GB","Microsoft YaHei", "Noto Sans CJK SC", Arial, "Apple Color Emoji","Segoe UI Emoji";
      color:var(--text);
      background:
        radial-gradient(900px 450px at 15% 5%, rgba(30,78,216,.10), transparent 55%),
        radial-gradient(700px 380px at 90% 0%, rgba(14,165,233,.12), transparent 55%),
        linear-gradient(180deg, var(--bg1), #ffffff 55%, var(--bg2) 120%);
      line-height:1.6;
      overflow-x:hidden;
    }
    a{color:inherit}
    .container{
      width:100%;
      max-width:1100px;
      margin:0 auto;
      padding:0 18px;
    }

    .skip{
      position:absolute;
      left:-9999px;
      top:auto;
      width:1px;
      height:1px;
      overflow:hidden;
    }
    .skip:focus{
      left:18px;
      top:12px;
      width:auto;
      height:auto;
      padding:10px 12px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:10px;
      box-shadow:var(--shadow2);
      z-index:9999;
    }

    header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(251,251,247,.72);
      border-bottom:1px solid rgba(31,41,55,.08);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:160px;
    }
    .logo{
      width:38px;height:38px;
      border-radius:12px;
      display:grid;
      place-items:center;
      background: linear-gradient(135deg, rgba(30,78,216,.14), rgba(14,165,233,.12));
      border:1px solid rgba(30,78,216,.25);
      box-shadow:0 8px 20px rgba(30,78,216,.10);
      font-weight:900;
      letter-spacing:.02em;
      color:var(--brand);
    }
    .brand b{
      font-size:15px;
      letter-spacing:.02em;
    }
    .brand small{
      display:block;
      color:var(--muted);
      font-size:12px;
      margin-top:2px;
    }

    .nav{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:14px;
      flex:1;
    }
    .nav a{
      text-decoration:none;
      color:var(--muted);
      font-size:14px;
      padding:10px 10px;
      border-radius:12px;
      transition: background .2s ease, color .2s ease;
      white-space:nowrap;
    }
    .nav a:hover{
      color:var(--text);
      background: rgba(31,41,55,.06);
    }

    .cta{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:2px;
    }
    .btn{
      appearance:none;
      border:1px solid rgba(31,41,55,.14);
      background:#fff;
      color:var(--text);
      border-radius:14px;
      padding:10px 12px;
      font-size:14px;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      box-shadow:0 8px 18px rgba(17,24,39,.06);
      display:inline-flex;
      align-items:center;
      gap:8px;
      text-decoration:none;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow:0 12px 24px rgba(17,24,39,.10);
      border-color: rgba(30,78,216,.26);
      background: linear-gradient(180deg, #ffffff, rgba(30,78,216,.03));
    }
    .btn:focus{outline:none; box-shadow: var(--focus), 0 12px 24px rgba(17,24,39,.10);}
    .btn-primary{
      border-color: rgba(30,78,216,.22);
      background: linear-gradient(135deg, rgba(30,78,216,.96), rgba(14,165,233,.92));
      color:#fff;
      box-shadow:0 14px 30px rgba(30,78,216,.20);
    }
    .btn-primary:hover{
      box-shadow:0 18px 40px rgba(30,78,216,.26);
      border-color: rgba(30,78,216,.35);
      background: linear-gradient(135deg, rgba(30,78,216,1), rgba(14,165,233,1));
    }

    .hamburger{
      display:none;
      width:44px;height:44px;
      border-radius:14px;
      border:1px solid rgba(31,41,55,.14);
      background: rgba(255,255,255,.85);
      cursor:pointer;
      transition: transform .15s ease, background .2s ease, border-color .2s ease;
      align-items:center;
      justify-content:center;
      gap:5px;
      flex-direction:column;
    }
    .hamburger:hover{transform: translateY(-1px); border-color: rgba(30,78,216,.26);}
    .hamburger span{
      width:18px;height:2px;background:rgba(31,41,55,.75);
      border-radius:2px;
      display:block;
    }

    .mobile-panel{
      display:none;
      padding:0 0 14px 0;
    }
    .mobile-panel .panel{
      background: rgba(255,255,255,.85);
      border:1px solid rgba(31,41,55,.10);
      border-radius:16px;
      padding:12px;
      box-shadow:var(--shadow2);
    }
    .mobile-panel a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      text-decoration:none;
      padding:12px 12px;
      border-radius:12px;
      color:var(--muted);
      transition: background .2s ease, color .2s ease;
      font-size:14px;
    }
    .mobile-panel a:hover{background: rgba(31,41,55,.06); color: var(--text);}
    .mobile-panel .row{
      display:flex;
      gap:10px;
      padding-top:10px;
    }
    .mobile-panel .row .btn{flex:1; justify-content:center}

    main{
      padding:18px 0 26px;
    }

    .hero{
      position:relative;
      overflow:hidden;
      border-radius:24px;
      border:1px solid rgba(31,41,55,.08);
      background:
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.95)),
        radial-gradient(1000px 420px at 0% 0%, rgba(30,78,216,.10), transparent 60%),
        radial-gradient(900px 420px at 100% 10%, rgba(14,165,233,.12), transparent 60%);
      box-shadow: 0 26px 70px rgba(17,24,39,.08);
    }
    .hero-inner{
      display:grid;
      grid-template-columns: 1.12fr .88fr;
      gap:18px;
      padding:26px;
      align-items:start;
    }
    .kicker{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(30,78,216,.18);
      background: rgba(255,255,255,.72);
      color: rgba(30,78,216,.92);
      font-size:13px;
      margin-bottom:12px;
      box-shadow: 0 10px 24px rgba(30,78,216,.08);
    }
    .dot{
      width:10px;height:10px;border-radius:50%;
      background: linear-gradient(135deg, rgba(30,78,216,1), rgba(14,165,233,1));
      box-shadow: 0 10px 20px rgba(30,78,216,.25);
    }

    h1{
      font-size:30px;
      line-height:1.25;
      margin:0 0 10px;
      letter-spacing:-.02em;
    }
    .lead{
      color:var(--muted);
      margin:0 0 14px;
      font-size:15px;
      max-width:60ch;
    }

    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      margin-top:14px;
    }

    .trust{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:14px;
    }
    .pill{
      border:1px solid rgba(31,41,55,.12);
      background: rgba(255,255,255,.74);
      padding:9px 12px;
      border-radius:14px;
      display:flex;
      gap:10px;
      align-items:flex-start;
      min-width:220px;
      flex:1;
    }
    .pill svg{flex:0 0 auto; margin-top:2px}
    .pill b{font-size:14px}
    .pill span{display:block; color:var(--muted); font-size:13px; margin-top:3px}

    .hero-media{
      display:flex;
      flex-direction:column;
      gap:12px;
      align-items:stretch;
    }
    .media-card{
      background: rgba(255,255,255,.78);
      border:1px solid rgba(31,41,55,.10);
      border-radius:18px;
      padding:14px;
      box-shadow: 0 18px 40px rgba(17,24,39,.06);
      position:relative;
      overflow:hidden;
    }
    .media-card:before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(300px 150px at 10% 0%, rgba(30,78,216,.14), transparent 55%),
        radial-gradient(260px 160px at 100% 20%, rgba(14,165,233,.12), transparent 55%);
      pointer-events:none;
      opacity:.9;
    }
    .media-card > *{position:relative}
    .media-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:10px;
      margin-bottom:10px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(30,78,216,.18);
      background: rgba(255,255,255,.75);
      font-size:12px;
      color: rgba(30,78,216,.95);
      white-space:nowrap;
    }
    .badge{
      padding:7px 10px;
      border-radius:999px;
      background: rgba(31,41,55,.06);
      border:1px solid rgba(31,41,55,.10);
      color:var(--muted);
      font-size:12px;
      white-space:nowrap;
    }
    .mini-title{
      font-size:14px;
      margin:0 0 6px;
      letter-spacing:-.01em;
    }
    .mini-desc{
      margin:0;
      color:var(--muted);
      font-size:13px;
    }
    .thumb{
      border-radius:16px;
      border:1px solid rgba(31,41,55,.10);
      background: rgba(255,255,255,.85);
      overflow:hidden;
      box-shadow:0 12px 26px rgba(17,24,39,.06);
    }
    .thumb img{
      width:100%;
      display:block;
      height:auto;
      object-fit:contain;
      transform-origin:center;
      transition: transform .35s ease;
    }
    .thumb:hover img{transform: scale(1.02)}
    .thumb-caption{
      padding:12px 12px 14px;
      display:flex;
      gap:10px;
      align-items:flex-start;
      justify-content:space-between;
    }
    .thumb-caption b{
      font-size:14px;
      line-height:1.3;
    }
    .thumb-caption span{
      display:block;
      color:var(--muted);
      font-size:12.5px;
      margin-top:4px;
    }
    .thumb-link{
      flex:0 0 auto;
      text-decoration:none;
      color: rgba(30,78,216,.98);
      border:1px solid rgba(30,78,216,.20);
      background: rgba(30,78,216,.06);
      padding:9px 10px;
      border-radius:12px;
      font-size:13px;
      transition: transform .15s ease, background .2s ease;
      white-space:nowrap;
    }
    .thumb-link:hover{transform: translateY(-1px); background: rgba(30,78,216,.10);}

    .section{
      margin-top:18px;
      padding:18px 0;
    }

    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:12px;
      margin-bottom:12px;
    }
    .section-head h2{
      margin:0;
      font-size:18px;
      letter-spacing:-.01em;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      max-width:60ch;
    }

    .grid-2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
    }
    .card{
      background: rgba(255,255,255,.82);
      border:1px solid rgba(31,41,55,.10);
      border-radius:var(--radius);
      box-shadow: 0 16px 36px rgba(17,24,39,.06);
      padding:16px;
      position:relative;
      overflow:hidden;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 26px 60px rgba(17,24,39,.09);
      border-color: rgba(30,78,216,.18);
    }
    .card .title-row{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:10px;
      margin-bottom:8px;
    }
    .card h3{
      margin:0;
      font-size:15.5px;
      letter-spacing:-.01em;
    }
    .card .meta{
      color:var(--muted);
      font-size:13px;
      margin:0;
    }
    .list{
      margin:10px 0 0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--text);
      font-size:14px;
    }
    .check{
      width:18px;height:18px; flex:0 0 auto;
      border-radius:6px;
      display:grid;
      place-items:center;
      background: rgba(30,78,216,.10);
      border:1px solid rgba(30,78,216,.20);
      color: rgba(30,78,216,.98);
      margin-top:1px;
    }

    .steps{
      background: rgba(255,255,255,.78);
      border:1px solid rgba(31,41,55,.10);
      border-radius:24px;
      padding:18px;
      box-shadow: 0 20px 50px rgba(17,24,39,.06);
    }
    .steps-grid{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:12px;
      margin-top:12px;
    }
    .step{
      padding:14px;
      border-radius:18px;
      border:1px solid rgba(31,41,55,.10);
      background: rgba(255,255,255,.86);
      position:relative;
      overflow:hidden;
      transition: transform .2s ease, border-color .2s ease;
      min-height:132px;
    }
    .step:hover{transform: translateY(-2px); border-color: rgba(30,78,216,.18);}
    .step:before{
      content:"";
      position:absolute;
      inset:-1px;
      background:
        radial-gradient(220px 120px at 0% 0%, rgba(30,78,216,.14), transparent 55%),
        radial-gradient(240px 140px at 100% 0%, rgba(14,165,233,.10), transparent 55%);
      opacity:.45;
      pointer-events:none;
    }
    .step > *{position:relative}
    .num{
      width:34px;height:34px;
      border-radius:14px;
      background: rgba(30,78,216,.10);
      border:1px solid rgba(30,78,216,.20);
      color: rgba(30,78,216,.98);
      display:grid;
      place-items:center;
      font-weight:800;
      margin-bottom:10px;
      box-shadow: 0 12px 24px rgba(30,78,216,.10);
    }
    .step b{display:block; font-size:14.5px; margin-bottom:6px}
    .step p{margin:0; color:var(--muted); font-size:13.2px}

    .solutions{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:14px;
      align-items:start;
    }
    .tabs{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:10px 0 0;
    }
    .tabbtn{
      border:1px solid rgba(31,41,55,.12);
      background: rgba(255,255,255,.86);
      border-radius:999px;
      padding:10px 12px;
      font-size:13.5px;
      cursor:pointer;
      transition: transform .15s ease, border-color .2s ease, background .2s ease;
      color:var(--muted);
      user-select:none;
    }
    .tabbtn:hover{transform: translateY(-1px); border-color: rgba(30,78,216,.18); color:var(--text);}
    .tabbtn[aria-selected="true"]{
      color:#fff;
      border-color: rgba(30,78,216,.35);
      background: linear-gradient(135deg, rgba(30,78,216,.98), rgba(14,165,233,.92));
      box-shadow: 0 16px 32px rgba(30,78,216,.18);
    }
    .panel{
      margin-top:12px;
      padding:16px;
      border-radius:20px;
      border:1px solid rgba(31,41,55,.10);
      background: rgba(255,255,255,.82);
      box-shadow: 0 16px 36px rgba(17,24,39,.06);
    }
    .panel h3{margin:0 0 8px; font-size:16px; letter-spacing:-.01em}
    .panel p{margin:0 0 10px; color:var(--muted); font-size:14px}
    .panel ul{
      margin:0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .panel li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      font-size:14px;
    }
    .panel li i{
      width:18px;height:18px;border-radius:7px;
      display:grid; place-items:center;
      background: rgba(14,165,233,.10);
      border:1px solid rgba(14,165,233,.22);
      color: rgba(14,165,233,.95);
      font-style:normal;
      flex:0 0 auto;
      margin-top:1px;
    }

    details.faq{
      background: rgba(255,255,255,.80);
      border:1px solid rgba(31,41,55,.10);
      border-radius:18px;
      padding:14px 14px;
      box-shadow: 0 14px 30px rgba(17,24,39,.05);
      transition: border-color .2s ease, transform .2s ease;
      margin-bottom:10px;
    }
    details.faq[open]{border-color: rgba(30,78,216,.20); transform: translateY(-1px);}
    details.faq summary{
      cursor:pointer;
      list-style:none;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      font-weight:700;
      font-size:14.5px;
      outline:none;
    }
    details.faq summary::-webkit-details-marker{display:none}
    .chev{
      width:26px;height:26px;border-radius:10px;
      border:1px solid rgba(31,41,55,.12);
      background: rgba(31,41,55,.04);
      display:grid; place-items:center;
      flex:0 0 auto;
      margin-top:-2px;
      transition: transform .2s ease;
    }
    details.faq[open] .chev{transform: rotate(180deg); border-color: rgba(30,78,216,.18); background: rgba(30,78,216,.06);}
    .faq .answer{
      margin-top:10px;
      color:var(--muted);
      font-size:14px;
    }
    .faq .answer strong{color:var(--text)}

    .anchor-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:10px;
    }
    .anchor{
      text-decoration:none;
      border:1px solid rgba(31,41,55,.12);
      background: rgba(255,255,255,.82);
      padding:10px 12px;
      border-radius:14px;
      font-size:13.5px;
      color:var(--muted);
      transition: transform .15s ease, border-color .2s ease, background .2s ease, color .2s ease;
      display:inline-flex;
      align-items:center;
      gap:8px;
    }
    .anchor:hover{transform: translateY(-1px); border-color: rgba(30,78,216,.18); color:var(--text); background: rgba(30,78,216,.06);}
    .anchor svg{opacity:.9}

    .contact-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .contact-card{
      background: rgba(255,255,255,.82);
      border:1px solid rgba(31,41,55,.10);
      border-radius:24px;
      padding:16px;
      box-shadow: 0 18px 40px rgba(17,24,39,.06);
    }
    .contact-card h3{margin:0 0 10px; font-size:16px; letter-spacing:-.01em}
    .kv{
      display:grid;
      grid-template-columns: 130px 1fr;
      gap:10px 12px;
      align-items:start;
    }
    .kv div{
      padding:8px 0;
      border-bottom:1px dashed rgba(31,41,55,.10);
    }
    .kv div:nth-last-child(-n+1){border-bottom:none}
    .k{color:var(--muted); font-size:13.5px}
    .v{color:var(--text); font-size:14px}
    .map-link{
      display:inline-flex;
      align-items:center;
      gap:10px;
      text-decoration:none;
      margin-top:12px;
      padding:11px 12px;
      border-radius:16px;
      border:1px solid rgba(30,78,216,.20);
      background: rgba(30,78,216,.06);
      color: rgba(30,78,216,.98);
      transition: transform .15s ease, background .2s ease;
      font-size:14px;
    }
    .map-link:hover{transform: translateY(-1px); background: rgba(30,78,216,.10);}
    .notice{
      margin-top:12px;
      color:var(--muted);
      font-size:13.5px;
      border:1px solid rgba(31,41,55,.10);
      background: rgba(255,255,255,.78);
      border-radius:18px;
      padding:12px;
    }
    .notice b{color:var(--text)}

    footer{
      margin-top:10px;
      background: linear-gradient(180deg, rgba(255,255,255,.4), rgba(243,246,255,.75));
      border-top:1px solid rgba(31,41,55,.10);
    }
    .footer-inner{
      padding:18px 0 20px;
    }
    .footer-top{
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:14px;
      flex-wrap:wrap;
    }
    .foot-left{
      max-width:560px;
    }
    .foot-title{
      display:flex;
      align-items:center;
      gap:10px;
      margin-bottom:8px;
    }
    .foot-title b{font-size:15px}
    .foot-left p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
    }
    .foot-links{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .foot-links a{
      text-decoration:none;
      border:1px solid rgba(31,41,55,.12);
      background: rgba(255,255,255,.78);
      border-radius:14px;
      padding:10px 12px;
      color:var(--muted);
      font-size:13.5px;
      transition: transform .15s ease, border-color .2s ease, color .2s ease, background .2s ease;
    }
    .foot-links a:hover{
      transform: translateY(-1px);
      border-color: rgba(30,78,216,.18);
      background: rgba(30,78,216,.06);
      color:var(--text);
    }
    .copyright{
      margin-top:14px;
      padding-top:12px;
      border-top:1px solid rgba(31,41,55,.10);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:12.5px;
    }
    .to-top{
      text-decoration:none;
      color: rgba(30,78,216,.98);
      border:1px solid rgba(30,78,216,.20);
      background: rgba(30,78,216,.06);
      padding:8px 10px;
      border-radius:12px;
      transition: transform .15s ease, background .2s ease;
    }
    .to-top:hover{transform: translateY(-1px); background: rgba(30,78,216,.10);}

    @media (max-width: 980px){
      .hero-inner{grid-template-columns: 1fr; padding:18px;}
      h1{font-size:26px;}
      .steps-grid{grid-template-columns: 1fr 1fr;}
      .solutions{grid-template-columns:1fr;}
      .contact-grid{grid-template-columns:1fr;}
      .grid-2{grid-template-columns:1fr;}
      .nav{display:none;}
      .hamburger{display:flex;}
      .mobile-panel{display:block;}
      .mobile-panel[data-open="false"]{display:none;}
    }
    @media (max-width: 520px){
      h1{font-size:24px;}
      .pill{min-width:100%;}
      .steps-grid{grid-template-columns:1fr;}
      .kv{grid-template-columns: 1fr; gap:6px 0;}
      .kv div{border-bottom:1px dashed rgba(31,41,55,.08)}
    }

    @media (prefers-reduced-motion: reduce){
      *{scroll-behavior:auto !important; transition:none !important; animation:none !important;}
    }