:root{
      --bg0:#070f2b;
      --bg1:#0b1a44;
      --bg2:#0f2a61;
      --card:#0e214b;
      --card2:#0c1b3e;
      --text:#eaf0ff;
      --muted:#b9c6f1;
      --muted2:#8ea2dd;
      --line:rgba(255,255,255,.14);
      --line2:rgba(255,255,255,.10);
      --brand:#9bd3ff;
      --brand2:#7aa7ff;
      --accent:#f7d36a;
      --good:#4fe3b2;
      --warn:#ffcc66;
      --bad:#ff7b7b;

      --container: 1120px;
      --radius: 18px;
      --radius2: 14px;
      --shadow: 0 18px 50px rgba(0,0,0,.25);
      --shadow2: 0 10px 24px rgba(0,0,0,.18);
      --focus: 0 0 0 4px rgba(155,211,255,.22);
    }

    *{box-sizing:border-box}
    html,body{height:100%}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 700px at 18% 6%, rgba(155,211,255,.18), transparent 58%),
        radial-gradient(900px 520px at 82% 14%, rgba(247,211,106,.12), transparent 55%),
        radial-gradient(720px 420px at 40% 92%, rgba(122,167,255,.14), transparent 55%),
        linear-gradient(180deg, var(--bg0), var(--bg1) 45%, #07102c);
      overflow-x:hidden;
    }

    a{color:inherit; text-decoration:none}
    a:hover{opacity:.95}
    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 20px;
    }

    .skip{
      position:absolute; left:-999px; top:10px;
      background:#fff; color:#000;
      padding:10px 12px; border-radius:10px;
      z-index:9999;
    }
    .skip:focus{left:12px; outline:none}

    header.site{
      position:sticky; top:0; z-index:50;
      backdrop-filter: blur(10px);
      background: linear-gradient(180deg, rgba(7,15,43,.78), rgba(7,15,43,.55));
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:14px 0;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width: 120px;
    }
    .logo-mark{
      width:38px; height:38px;
      border-radius:14px;
      background:
        radial-gradient(18px 18px at 30% 30%, rgba(255,255,255,.28), transparent 60%),
        linear-gradient(135deg, rgba(155,211,255,.95), rgba(122,167,255,.55));
      border:1px solid rgba(255,255,255,.18);
      box-shadow: 0 14px 30px rgba(0,0,0,.25);
      display:flex; align-items:center; justify-content:center;
      font-weight:900; letter-spacing:.5px;
      color:#07102c;
      transition: transform .2s ease;
    }
    .brand:hover .logo-mark{transform: translateY(-1px)}
    .brand-text{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand-text strong{
      font-size:14px;
      letter-spacing:.2px;
    }
    .brand-text span{
      font-size:12px; color:var(--muted2);
    }

    .nav-actions{
      display:flex; align-items:center; gap:10px;
    }

    .menu-btn{
      appearance:none;
      border:1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.06);
      color:var(--text);
      padding:10px 12px;
      border-radius:12px;
      cursor:pointer;
      display:flex; align-items:center; gap:10px;
      box-shadow: 0 10px 20px rgba(0,0,0,.10);
      transition: transform .16s ease, border-color .16s ease, background .16s ease;
      white-space:nowrap;
    }
    .menu-btn:focus{outline:none; box-shadow: var(--focus)}
    .menu-btn:active{transform: scale(.99)}
    .menu-icon{
      width:18px; height:18px; position:relative; flex:0 0 auto;
    }
    .menu-icon i{
      position:absolute; left:0; right:0;
      height:2px; border-radius:2px;
      background: rgba(255,255,255,.88);
      transition: transform .2s ease, opacity .2s ease, top .2s ease;
    }
    .menu-icon i:nth-child(1){top:4px}
    .menu-icon i:nth-child(2){top:8px}
    .menu-icon i:nth-child(3){top:12px}

    .menu-btn[aria-expanded="true"] .menu-icon i:nth-child(1){top:8px; transform: rotate(45deg)}
    .menu-btn[aria-expanded="true"] .menu-icon i:nth-child(2){opacity:0}
    .menu-btn[aria-expanded="true"] .menu-icon i:nth-child(3){top:8px; transform: rotate(-45deg)}

    .menu-panel{
      overflow:hidden;
      max-height:0;
      transition: max-height .28s ease;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.10);
      background: linear-gradient(180deg, rgba(14,33,75,.75), rgba(12,27,62,.55));
    }
    .menu-panel.open{max-height: 420px}
    .menu-links{
      display:flex; flex-direction:column;
      padding:10px;
      gap:8px;
    }
    .menu-link{
      padding:10px 12px;
      border-radius:12px;
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.04);
      color: var(--text);
      transition: transform .16s ease, border-color .16s ease, background .16s ease;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
    }
    .menu-link:hover{
      transform: translateY(-1px);
      border-color: rgba(155,211,255,.28);
      background: rgba(155,211,255,.08);
    }
    .pill{
      font-size:12px;
      color: rgba(234,240,255,.92);
      padding:6px 10px;
      border-radius:999px;
      background: rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.12);
      flex:0 0 auto;
    }

    @media (min-width: 900px){
      .menu-btn{display:none}
      .menu-panel{max-height:none; overflow:visible; border:none; background:transparent}
      .menu-panel.open{max-height:none}
      .menu-links{
        flex-direction:row;
        padding:0;
        gap:10px;
      }
      .menu-link{padding:10px 12px}
    }

    .hero{
      position:relative;
      padding:30px 0 18px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1fr;
      gap:14px;
      align-items:start;
    }
    @media (min-width: 920px){
      .hero-grid{grid-template-columns: 1.15fr .85fr; gap:18px}
    }

    .hero-card{
      border-radius:var(--radius);
      border:1px solid rgba(255,255,255,.14);
      background:
        radial-gradient(900px 420px at 15% 8%, rgba(155,211,255,.18), transparent 55%),
        radial-gradient(700px 320px at 85% 26%, rgba(247,211,106,.12), transparent 58%),
        linear-gradient(180deg, rgba(14,33,75,.78), rgba(10,22,54,.62));
      box-shadow: var(--shadow);
      padding:18px 16px;
      overflow:hidden;
      position:relative;
    }
    @media (min-width: 720px){
      .hero-card{padding:22px 22px}
    }

    .hero-kicker{
      display:flex; flex-wrap:wrap; gap:10px;
      align-items:center;
      margin-bottom:12px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.06);
      color: rgba(234,240,255,.95);
      font-size:13px;
    }
    .dot{
      width:9px; height:9px; border-radius:50%;
      background: var(--brand);
      box-shadow: 0 0 0 4px rgba(155,211,255,.14);
      flex:0 0 auto;
    }

    h1{
      font-size: clamp(22px, 3.4vw, 34px);
      margin:0 0 10px 0;
      letter-spacing:.2px;
      line-height:1.16;
    }
    .hero-lead{
      margin:0;
      color: var(--muted);
      font-size:15px;
      line-height:1.7;
      max-width: 62ch;
    }

    .hero-cta{
      margin-top:16px;
      display:flex; flex-wrap:wrap;
      gap:12px;
      align-items:center;
    }
    .btn{
      appearance:none;
      border:none;
      cursor:pointer;
      border-radius:14px;
      padding:12px 14px;
      font-weight:700;
      letter-spacing:.2px;
      transition: transform .16s ease, filter .16s ease, background .16s ease, border-color .16s ease;
      display:inline-flex; align-items:center; justify-content:center; gap:10px;
      user-select:none;
      white-space:nowrap;
    }
    .btn:focus{outline:none; box-shadow: var(--focus)}
    .btn:active{transform: translateY(1px)}
    .btn-primary{
      background: linear-gradient(135deg, rgba(155,211,255,.95), rgba(122,167,255,.70));
      color:#07102c;
      box-shadow: 0 16px 30px rgba(0,0,0,.22);
      border:1px solid rgba(255,255,255,.18);
    }
    .btn-primary:hover{filter: brightness(1.03)}
    .btn-ghost{
      background: rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.14);
      color: var(--text);
    }
    .btn-ghost:hover{
      border-color: rgba(155,211,255,.30);
      background: rgba(155,211,255,.08);
    }
    .btn-icon{
      width:18px; height:18px; display:inline-flex;
    }

    .hero-side{
      display:grid;
      gap:12px;
    }

    .side-panel{
      border-radius:var(--radius);
      border:1px solid rgba(255,255,255,.12);
      background: linear-gradient(180deg, rgba(12,27,62,.64), rgba(9,19,44,.55));
      box-shadow: var(--shadow2);
      padding:14px 14px;
      position:relative;
      overflow:hidden;
    }
    @media (min-width: 720px){
      .side-panel{padding:16px 16px}
    }

    .side-title{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:8px;
    }
    .side-title strong{
      font-size:14px; letter-spacing:.2px;
    }
    .tiny{
      color: var(--muted2);
      font-size:12px;
    }

    .risk-list{
      margin:0; padding:0; list-style:none;
      display:grid; gap:10px;
    }
    .risk-item{
      display:flex; gap:10px; align-items:flex-start;
      padding:10px 10px;
      border-radius:14px;
      background: rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.10);
    }
    .risk-ico{
      width:30px; height:30px; border-radius:12px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
      flex:0 0 auto;
    }
    .risk-text b{
      display:block;
      font-size:13px;
      margin-bottom:3px;
    }
    .risk-text span{
      display:block;
      color: var(--muted);
      font-size:13px;
      line-height:1.5;
    }

    .quick-form{
      display:grid; gap:10px;
      margin-top:10px;
    }
    .field{
      display:grid;
      gap:6px;
    }
    label{
      font-size:12px;
      color: var(--muted2);
    }
    .input{
      width:100%;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
      color: var(--text);
      padding:12px 12px;
      font-size:14px;
      outline:none;
      transition: box-shadow .16s ease, border-color .16s ease, background .16s ease;
    }
    .input:focus{
      box-shadow: var(--focus);
      border-color: rgba(155,211,255,.30);
      background: rgba(255,255,255,.08);
    }
    .form-row{
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .form-row .btn{flex:1 1 160px}
    .form-note{
      color: var(--muted2);
      font-size:12px; line-height:1.5;
      margin-top:2px;
    }

    main{
      padding:10px 0 24px;
    }

    .section{
      padding:18px 0;
    }
    .section-title{
      display:flex; align-items:flex-end; justify-content:space-between; gap:12px;
      margin-bottom:12px;
    }
    .section-title h2{
      margin:0;
      font-size:18px;
      letter-spacing:.2px;
    }
    .section-title p{
      margin:0; color: var(--muted2);
      font-size:12px;
      line-height:1.4;
      text-align:right;
    }

    .content-card{
      border-radius:var(--radius);
      border:1px solid rgba(255,255,255,.12);
      background: linear-gradient(180deg, rgba(14,33,75,.55), rgba(10,22,54,.45));
      box-shadow: var(--shadow2);
      padding:14px 14px;
      overflow:hidden;
    }

    .toc{
      display:grid;
      gap:10px;
    }
    .toc-grid{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
    }
    @media (min-width: 820px){
      .toc-grid{grid-template-columns: 1fr 1fr}
    }
    .toc-item{
      padding:12px 12px;
      border-radius:14px;
      background: rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.10);
      transition: transform .16s ease, border-color .16s ease, background .16s ease;
    }
    .toc-item:hover{
      transform: translateY(-1px);
      border-color: rgba(155,211,255,.28);
      background: rgba(155,211,255,.07);
    }
    .toc-top{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-bottom:6px;
    }
    .toc-item b{
      font-size:14px;
    }
    .toc-item a{
      color: var(--brand);
      font-weight:800;
      font-size:13px;
    }
    .toc-item span{
      color: var(--muted);
      font-size:13px;
      line-height:1.5;
      display:block;
    }

    .grid-2{
      display:grid;
      grid-template-columns: 1fr;
      gap:12px;
      align-items:start;
    }
    @media (min-width: 900px){
      .grid-2{grid-template-columns: 1fr 1fr}
    }

    .service-cards{
      display:grid;
      grid-template-columns: 1fr;
      gap:12px;
    }
    @media (min-width: 860px){
      .service-cards{grid-template-columns: 1fr 1fr}
    }

    .service-card{
      border-radius:var(--radius2);
      background: rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.10);
      padding:14px 14px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      position:relative;
      overflow:hidden;
    }
    .service-card:hover{
      transform: translateY(-2px);
      border-color: rgba(155,211,255,.30);
      background: rgba(155,211,255,.07);
    }
    .service-head{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      margin-bottom:8px;
    }
    .service-head strong{
      font-size:15px; letter-spacing:.2px;
    }
    .tag{
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.06);
      color: rgba(234,240,255,.92);
      flex:0 0 auto;
      white-space:nowrap;
    }
    .service-card p{
      margin:0;
      color: var(--muted);
      line-height:1.65;
      font-size:13.5px;
    }

    .steps{
      display:grid;
      gap:12px;
    }
    .step-grid{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
    }
    @media (min-width: 860px){
      .step-grid{grid-template-columns: 1fr 1fr}
    }
    .step{
      border-radius:14px;
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.04);
      padding:12px 12px;
      display:flex; gap:12px; align-items:flex-start;
    }
    .step-num{
      width:34px; height:34px; border-radius:14px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(155,211,255,.12);
      border:1px solid rgba(155,211,255,.25);
      color: var(--brand);
      font-weight:900;
      flex:0 0 auto;
    }
    .step b{
      display:block; font-size:14px; margin-bottom:4px;
    }
    .step span{
      display:block; color: var(--muted);
      font-size:13px; line-height:1.6;
    }

    .policy{
      display:grid;
      gap:12px;
      grid-template-columns: 1fr;
    }
    @media (min-width: 900px){
      .policy{grid-template-columns: 1fr 1fr}
    }
    .policy-card{
      border-radius:var(--radius2);
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.04);
      padding:14px 14px;
    }
    .policy-card h3{
      margin:0 0 10px 0;
      font-size:15px;
      letter-spacing:.2px;
    }
    .policy-table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.10);
      background: rgba(0,0,0,.10);
    }
    .policy-table th,
    .policy-table td{
      padding:10px 10px;
      border-bottom:1px solid rgba(255,255,255,.08);
      font-size:13px;
      vertical-align:top;
    }
    .policy-table tr:last-child td{border-bottom:none}
    .policy-table th{
      text-align:left;
      color: rgba(234,240,255,.92);
      background: rgba(255,255,255,.04);
      font-weight:800;
      width: 42%;
    }
    .policy-table td{
      color: var(--muted);
      line-height:1.55;
    }

    .faq{
      display:grid;
      gap:12px;
    }
    details.faq-item{
      border-radius:14px;
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.04);
      padding:10px 12px;
    }
    details.faq-item[open]{
      border-color: rgba(155,211,255,.30);
      background: rgba(155,211,255,.08);
    }
    summary{
      cursor:pointer;
      list-style:none;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      font-weight:900;
      padding:2px 0;
    }
    summary::-webkit-details-marker{display:none}
    .faq-q{
      font-size:14px;
      line-height:1.35;
    }
    .faq-chevron{
      width:28px; height:28px; border-radius:12px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
      flex:0 0 auto;
      transition: transform .2s ease;
    }
    details[open] .faq-chevron{transform: rotate(180deg)}
    .faq-a{
      margin-top:10px;
      color: var(--muted);
      font-size:13.5px;
      line-height:1.75;
    }
    .faq-a ul{
      margin:10px 0 0 18px;
      padding:0;
      color: var(--muted);
    }
    .faq-a li{margin:6px 0}

    .inline-links{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:8px;
    }
    .inline-links a{
      border-radius:999px;
      border:1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.06);
      padding:8px 10px;
      font-size:13px;
      color: rgba(234,240,255,.95);
      transition: border-color .16s ease, background .16s ease, transform .16s ease;
    }
    .inline-links a:hover{
      border-color: rgba(155,211,255,.30);
      background: rgba(155,211,255,.08);
      transform: translateY(-1px);
    }

    .contact-grid{
      display:grid;
      grid-template-columns: 1fr;
      gap:12px;
      align-items:start;
    }
    @media (min-width: 960px){
      .contact-grid{grid-template-columns: .95fr 1.05fr}
    }

    .qr-wrap{
      display:flex; gap:12px; align-items:flex-start; flex-wrap:wrap;
    }
    .qr{
      width:140px; max-width:100%;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
      padding:12px;
      box-shadow: 0 10px 22px rgba(0,0,0,.16);
    }
    .qr img{
      width:100%;
      height:auto;
      display:block;
      border-radius:12px;
      background: rgba(255,255,255,.05);
    }
    .qr-caption{
      margin-top:8px;
      color: var(--muted2);
      font-size:12px;
      line-height:1.45;
    }

    .contact-card{
      border-radius:var(--radius2);
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.04);
      padding:14px 14px;
    }
    .contact-card h3{
      margin:0 0 10px 0;
      font-size:15px;
      letter-spacing:.2px;
    }
    .kv{
      display:grid; gap:10px;
    }
    .kv-row{
      display:flex; gap:10px; align-items:flex-start;
      padding:10px 10px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.10);
      background: rgba(0,0,0,.10);
    }
    .kv-row .k{
      width:92px;
      color: rgba(234,240,255,.92);
      font-weight:900;
      font-size:13px;
      flex:0 0 auto;
      line-height:1.4;
    }
    .kv-row .v{
      color: var(--muted);
      font-size:13.5px;
      line-height:1.6;
    }

    .footer{
      border-top:1px solid rgba(255,255,255,.10);
      background: linear-gradient(180deg, rgba(7,15,43,.35), rgba(7,15,43,.75));
      padding:18px 0;
      margin-top:6px;
    }
    .footer-wrap{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      justify-content:space-between;
    }
    .foot-left{
      color: var(--muted2);
      font-size:12.5px;
      line-height:1.55;
    }
    .foot-links{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .foot-links a{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
      color: rgba(234,240,255,.95);
      font-size:12.5px;
      transition: border-color .16s ease, background .16s ease, transform .16s ease;
    }
    .foot-links a:hover{
      border-color: rgba(155,211,255,.30);
      background: rgba(155,211,255,.08);
      transform: translateY(-1px);
    }

    .animate-in{
      opacity:0;
      transform: translateY(10px);
      animation: fadeUp .6s ease forwards;
    }
    @keyframes fadeUp{
      to{opacity:1; transform: translateY(0)}
    }
    .hover-glow{
      position:relative;
    }
    .hover-glow::after{
      content:"";
      position:absolute; inset:-1px;
      border-radius: inherit;
      background: radial-gradient(240px 90px at 30% 0%, rgba(155,211,255,.18), transparent 62%);
      opacity:0;
      transition: opacity .22s ease;
      pointer-events:none;
    }
    .hover-glow:hover::after{opacity:1}

    @media (prefers-reduced-motion: reduce){
      .animate-in{animation:none; opacity:1; transform:none}
      *{scroll-behavior:auto !important}
      .btn,.menu-link,.service-card,.toc-item,.inline-links a,.foot-links a{transition:none !important}
      .menu-panel{transition:none !important}
    }