:root{
      --bg0:#fbfbf8;
      --bg1:#f3f3f0;
      --card:#ffffff;
      --text:#22252a;
      --muted:#5f6670;
      --line:#e7e8ea;
      --shadow: 0 10px 28px rgba(20,25,30,.08);
      --shadow2: 0 6px 16px rgba(20,25,30,.08);
      --accent:#2563eb;
      --accent2:#0ea5e9;
      --accentSoft: rgba(37,99,235,.10);
      --radius:18px;
      --radius2:14px;
      --focus: 0 0 0 4px rgba(37,99,235,.18);
      --max: 980px;
    }
    *{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, sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 420px at 10% 0%, rgba(14,165,233,.10), transparent 55%),
        radial-gradient(800px 380px at 90% 10%, rgba(37,99,235,.10), transparent 55%),
        linear-gradient(180deg, var(--bg0), #ffffff 55%, var(--bg1));
    }
    a{color:inherit}
    .container{
      max-width:var(--max);
      margin:0 auto;
      padding:0 18px;
    }
    header{
      position:sticky;
      top:0;
      z-index:30;
      background: rgba(251,251,248,.72);
      backdrop-filter: blur(10px);
      border-bottom:1px solid rgba(231,232,234,.7);
    }
    .nav{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      min-width: 140px;
    }
    .logo{
      width:34px;height:34px;border-radius:12px;
      background: linear-gradient(135deg, rgba(37,99,235,.16), rgba(14,165,233,.16));
      border:1px solid rgba(37,99,235,.22);
      box-shadow: 0 8px 20px rgba(37,99,235,.10);
      display:grid;place-items:center;
      flex:0 0 auto;
    }
    .logo svg{width:18px;height:18px; fill:none; stroke: var(--accent); stroke-width:2; stroke-linecap:round; stroke-linejoin:round}
    .brand b{font-size:14px; letter-spacing:.2px}
    .brand span{display:block; font-size:12px; color:var(--muted); margin-top:1px}
    .navRight{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .menuBtn{
      display:none;
      appearance:none;
      border:1px solid var(--line);
      background: #fff;
      border-radius:12px;
      padding:10px 12px;
      min-height:40px;
      cursor:pointer;
      color:var(--text);
      box-shadow: 0 6px 14px rgba(20,25,30,.05);
    }
    .menuBtn:focus{outline:none; box-shadow: var(--focus), 0 6px 14px rgba(20,25,30,.05)}
    .menuBtn svg{width:18px;height:18px}
    .navLinks{
      display:flex;
      align-items:center;
      gap:16px;
    }
    .navLinks a{
      text-decoration:none;
      font-size:13px;
      color:var(--muted);
      padding:10px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition: background .2s ease, border-color .2s ease, color .2s ease;
      white-space:nowrap;
    }
    .navLinks a:hover{
      background: rgba(255,255,255,.7);
      border-color: rgba(231,232,234,.9);
      color:#2a2f36;
    }
    .cta{
      text-decoration:none;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:10px 14px;
      border-radius:14px;
      border:1px solid rgba(37,99,235,.28);
      background: linear-gradient(180deg, rgba(37,99,235,.10), rgba(37,99,235,.06));
      color:#163a7a;
      font-weight:650;
      font-size:13px;
      white-space:nowrap;
      transition: transform .15s ease, background .2s ease, border-color .2s ease;
      box-shadow: 0 10px 24px rgba(37,99,235,.10);
    }
    .cta:hover{transform: translateY(-1px); border-color: rgba(37,99,235,.45)}
    .cta:focus{outline:none; box-shadow: var(--focus), 0 10px 24px rgba(37,99,235,.10)}
    .cta svg{width:16px;height:16px}
    main{padding:22px 0 10px}
    .hero{
      padding:18px 0 8px;
    }
    .heroGrid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:18px;
      align-items:start;
    }
    .heroCard{
      background:
        radial-gradient(700px 260px at 0% 0%, rgba(37,99,235,.10), transparent 55%),
        radial-gradient(520px 220px at 90% 15%, rgba(14,165,233,.10), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.96));
      border:1px solid rgba(231,232,234,.9);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      overflow:hidden;
    }
    .heroInner{
      padding:18px 16px 16px;
    }
    .kicker{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--muted);
      font-size:13px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(37,99,235,.22);
      background: rgba(255,255,255,.78);
      box-shadow: 0 8px 18px rgba(37,99,235,.08);
      color:#184a9b;
      font-weight:650;
      letter-spacing:.2px;
      white-space:nowrap;
    }
    .pill i{
      width:8px;height:8px;border-radius:50%;
      background: linear-gradient(180deg, var(--accent2), var(--accent));
      display:inline-block;
      box-shadow: 0 0 0 4px rgba(14,165,233,.12);
    }
    h1{
      margin:12px 0 8px;
      font-size:30px;
      line-height:1.15;
      letter-spacing:-.5px;
    }
    .heroSub{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
      max-width:62ch;
    }
    .heroActions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:14px;
      align-items:center;
    }
    .primaryBtn{
      appearance:none;
      border:none;
      cursor:pointer;
      padding:12px 14px;
      border-radius:14px;
      background: linear-gradient(180deg, rgba(37,99,235,1), rgba(29,78,216,1));
      color:#fff;
      font-weight:750;
      font-size:14px;
      box-shadow: 0 18px 36px rgba(37,99,235,.22);
      transition: transform .15s ease, filter .2s ease;
      display:inline-flex;
      align-items:center;
      gap:10px;
      min-height:44px;
    }
    .primaryBtn:hover{transform: translateY(-1px); filter: brightness(1.02)}
    .primaryBtn:focus{outline:none; box-shadow: var(--focus), 0 18px 36px rgba(37,99,235,.22)}
    .primaryBtn svg{width:18px;height:18px}
    .ghostBtn{
      appearance:none;
      border:1px solid rgba(231,232,234,.95);
      cursor:pointer;
      padding:12px 14px;
      border-radius:14px;
      background: rgba(255,255,255,.78);
      color:var(--text);
      font-weight:700;
      font-size:14px;
      min-height:44px;
      transition: transform .15s ease, background .2s ease, border-color .2s ease;
      display:inline-flex;
      align-items:center;
      gap:10px;
      box-shadow: 0 10px 24px rgba(20,25,30,.06);
    }
    .ghostBtn:hover{transform: translateY(-1px); border-color: rgba(231,232,234,1); background:#fff}
    .ghostBtn:focus{outline:none; box-shadow: var(--focus), 0 10px 24px rgba(20,25,30,.06)}
    .ghostBtn svg{width:18px;height:18px}
    .heroPoints{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap:10px;
      margin-top:14px;
    }
    .point{
      border:1px solid rgba(231,232,234,.95);
      background: rgba(255,255,255,.78);
      border-radius: 14px;
      padding:10px 12px;
      display:flex;
      gap:10px;
      align-items:flex-start;
      transition: transform .2s ease, border-color .2s ease;
    }
    .point:hover{transform: translateY(-2px); border-color: rgba(37,99,235,.25)}
    .pointIcon{
      width:28px;height:28px;border-radius:10px;
      display:grid;place-items:center;
      background: rgba(37,99,235,.09);
      border:1px solid rgba(37,99,235,.16);
      flex:0 0 auto;
      margin-top:1px;
    }
    .pointIcon svg{width:16px;height:16px; stroke: var(--accent); fill:none; stroke-width:2; stroke-linecap:round; stroke-linejoin:round}
    .point b{display:block; font-size:13px; margin-top:1px}
    .point span{display:block; font-size:12px; color:var(--muted); line-height:1.5; margin-top:4px}
    .sideCard{
      border:1px solid rgba(231,232,234,.9);
      background: linear-gradient(180deg, rgba(255,255,255,.9), rgba(255,255,255,.98));
      border-radius: var(--radius);
      box-shadow: var(--shadow2);
      overflow:hidden;
    }
    .sideInner{padding:16px}
    .sideTop{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .sideTitle{
      margin:0;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .sideMuted{
      margin:6px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
    }
    .badge{
      width:44px;height:44px;border-radius:16px;
      border:1px solid rgba(14,165,233,.22);
      background: rgba(14,165,233,.10);
      display:grid;place-items:center;
      box-shadow: 0 12px 24px rgba(14,165,233,.12);
      flex:0 0 auto;
    }
    .badge svg{width:20px;height:20px; stroke: var(--accent2); fill:none; stroke-width:2; stroke-linecap:round; stroke-linejoin:round}
    .checkList{
      margin:12px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .checkItem{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:10px 10px;
      border-radius:14px;
      border:1px solid rgba(231,232,234,.95);
      background: rgba(255,255,255,.74);
    }
    .tick{
      width:22px;height:22px;border-radius:8px;
      background: rgba(14,165,233,.12);
      border:1px solid rgba(14,165,233,.20);
      display:grid;place-items:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .tick svg{width:14px;height:14px; stroke: var(--accent2); fill:none; stroke-width:2.4; stroke-linecap:round; stroke-linejoin:round}
    .checkItem b{font-size:13px; display:block}
    .checkItem span{font-size:12px; color:var(--muted); display:block; margin-top:4px; line-height:1.55}
    .section{
      padding:18px 0 8px;
    }
    .sectionHeader{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:14px;
      margin-bottom:12px;
    }
    .sectionHeader h2{
      margin:0;
      font-size:18px;
      letter-spacing:-.2px;
    }
    .sectionHeader p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
      max-width:48ch;
    }
    .grid2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .card{
      border:1px solid rgba(231,232,234,.95);
      background: rgba(255,255,255,.82);
      border-radius: var(--radius);
      box-shadow: 0 10px 24px rgba(20,25,30,.05);
      overflow:hidden;
    }
    .cardPad{padding:14px}
    .smallTitle{
      margin:0;
      font-size:15px;
      letter-spacing:-.2px;
      display:flex;
      align-items:center;
      gap:10px;
    }
    .smallTitle i{
      width:26px;height:26px;border-radius:10px;
      background: rgba(37,99,235,.09);
      border:1px solid rgba(37,99,235,.16);
      display:grid;place-items:center;
      flex:0 0 auto;
    }
    .smallTitle i svg{width:15px;height:15px; stroke: var(--accent); fill:none; stroke-width:2; stroke-linecap:round; stroke-linejoin:round}
    .cardText{
      margin:10px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
    }
    .steps{
      margin:12px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .step{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:10px 10px;
      border-radius:14px;
      border:1px solid rgba(231,232,234,.95);
      background: rgba(255,255,255,.72);
    }
    .num{
      width:34px;height:34px;border-radius:14px;
      background: rgba(37,99,235,.10);
      border:1px solid rgba(37,99,235,.20);
      display:grid;place-items:center;
      flex:0 0 auto;
      font-weight:800;
      color:#1b3f8a;
    }
    .step b{display:block; font-size:13px}
    .step span{display:block; margin-top:4px; font-size:12px; color:var(--muted); line-height:1.55}
    .formWrap{
      padding:0;
      background:
        radial-gradient(700px 260px at 0% 0%, rgba(37,99,235,.08), transparent 60%),
        radial-gradient(620px 240px at 100% 20%, rgba(14,165,233,.08), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.96));
    }
    form{
      padding:14px;
    }
    .formTop{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      margin-bottom:10px;
    }
    .formTop h2{margin:0; font-size:18px; letter-spacing:-.2px}
    .formTop p{margin:6px 0 0; color:var(--muted); font-size:13px; line-height:1.6; max-width:52ch}
    .hintTag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(231,232,234,.95);
      background: rgba(255,255,255,.78);
      color:var(--muted);
      font-size:12px;
      white-space:nowrap;
      margin-top:2px;
    }
    .hintTag svg{width:14px;height:14px; stroke: var(--accent2); fill:none; stroke-width:2; stroke-linecap:round; stroke-linejoin:round}
    .fields{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
      margin-top:10px;
    }
    .field{
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .fieldFull{grid-column: 1 / -1;}
    label{
      font-size:13px;
      color:var(--muted);
    }
    input, select, textarea{
      width:100%;
      border:1px solid rgba(231,232,234,.98);
      background:#fff;
      border-radius:14px;
      padding:12px 12px;
      font-size:14px;
      color:var(--text);
      box-shadow: 0 10px 24px rgba(20,25,30,.03);
      transition: box-shadow .2s ease, border-color .2s ease;
    }
    textarea{min-height:96px; resize: vertical}
    input:focus, select:focus, textarea:focus{
      outline:none;
      border-color: rgba(37,99,235,.45);
      box-shadow: var(--focus), 0 10px 24px rgba(20,25,30,.03);
    }
    .required{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      margin-top:2px;
      color:var(--muted);
      font-size:12px;
      gap:8px;
    }
    .required i{
      width:8px;height:8px;border-radius:50%;
      background: rgba(37,99,235,.55);
      box-shadow: 0 0 0 4px rgba(37,99,235,.12);
      display:inline-block;
    }
    .submitRow{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      margin-top:12px;
      padding-top:12px;
      border-top:1px solid rgba(231,232,234,.95);
    }
    .agree{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:var(--muted);
      font-size:12px;
      line-height:1.6;
      max-width:58ch;
    }
    .agree input{
      width:18px;height:18px;
      margin-top:2px;
      box-shadow:none;
      border-radius:5px;
      padding:0;
    }
    .submitBtn{
      appearance:none;
      border:none;
      cursor:pointer;
      padding:12px 16px;
      border-radius:14px;
      background: linear-gradient(180deg, rgba(14,165,233,1), rgba(2,132,199,1));
      color:#fff;
      font-weight:800;
      font-size:14px;
      min-height:44px;
      display:inline-flex;
      align-items:center;
      gap:10px;
      box-shadow: 0 18px 36px rgba(14,165,233,.18);
      transition: transform .15s ease, filter .2s ease;
    }
    .submitBtn:hover{transform: translateY(-1px); filter: brightness(1.02)}
    .submitBtn:focus{outline:none; box-shadow: var(--focus), 0 18px 36px rgba(14,165,233,.18)}
    .submitBtn[disabled]{
      opacity:.65;
      cursor:not-allowed;
      transform:none;
      filter:none;
    }
    .spinner{
      width:18px;height:18px;
      border-radius:50%;
      border:2px solid rgba(255,255,255,.35);
      border-top-color:#fff;
      animation: spin .8s linear infinite;
      display:none;
    }
    .submitBtn.loading .spinner{display:inline-block}
    @keyframes spin{to{transform:rotate(360deg)}}
    .status{
      margin-top:10px;
      border-radius:14px;
      border:1px solid rgba(231,232,234,.95);
      background: rgba(255,255,255,.75);
      padding:10px 12px;
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
      display:none;
    }
    .status.show{display:block}
    .status.ok{
      border-color: rgba(34,197,94,.25);
      background: rgba(34,197,94,.07);
      color:#145a2c;
    }
    .status.err{
      border-color: rgba(239,68,68,.25);
      background: rgba(239,68,68,.07);
      color:#7f1d1d;
    }
    footer{
      margin-top: 10px;
      border-top:1px solid rgba(231,232,234,.95);
      background: linear-gradient(180deg, rgba(251,251,248,.65), rgba(255,255,255,.9));
    }
    .footerInner{
      padding:16px 0 18px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
    }
    .footLeft{
      display:flex;
      gap:12px;
      align-items:flex-start;
      min-width: 260px;
    }
    .footMark{
      width:40px;height:40px;border-radius:16px;
      background: rgba(37,99,235,.10);
      border:1px solid rgba(37,99,235,.18);
      display:grid;place-items:center;
      flex:0 0 auto;
      box-shadow: 0 12px 24px rgba(37,99,235,.10);
    }
    .footMark svg{width:18px;height:18px; stroke: var(--accent); fill:none; stroke-width:2; stroke-linecap:round; stroke-linejoin:round}
    .footLeft b{display:block; font-size:14px}
    .footLeft span{display:block; margin-top:6px; color:var(--muted); font-size:12px; line-height:1.6; max-width:52ch}
    .footLinks{
      display:flex;
      gap:14px;
      align-items:center;
      flex-wrap:wrap;
    }
    .footLinks a{
      text-decoration:none;
      color:var(--muted);
      font-size:12px;
      padding:8px 10px;
      border-radius:12px;
      border:1px solid rgba(231,232,234,.95);
      background: rgba(255,255,255,.72);
      transition: transform .15s ease, border-color .2s ease, background .2s ease;
    }
    .footLinks a:hover{transform: translateY(-1px); border-color: rgba(37,99,235,.25); background:#fff}
    .copy{
      width:100%;
      margin-top:12px;
      color:var(--muted);
      font-size:12px;
      display:flex;
      justify-content:space-between;
      gap:10px;
      flex-wrap:wrap;
      border-top:1px dashed rgba(231,232,234,.95);
      padding-top:12px;
    }
    .copy strong{color:#2a2f36}
    .fadeInUp{
      animation: fadeUp .6s ease both;
    }
    @keyframes fadeUp{
      from{opacity:0; transform: translateY(10px)}
      to{opacity:1; transform: translateY(0)}
    }
    .reveal{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .reveal.show{
      opacity:1;
      transform: translateY(0);
    }
    @media (max-width: 920px){
      .heroGrid{grid-template-columns: 1fr; }
      h1{font-size:26px}
      .heroPoints{grid-template-columns: 1fr 1fr}
      .grid2{grid-template-columns: 1fr}
      .fields{grid-template-columns: 1fr}
      .sideCard{order:2}
      .heroCard{order:1}
      .navLinks{display:none}
      .menuBtn{display:inline-flex; align-items:center; justify-content:center}
    }
    .mobilePanel{
      display:none;
      padding:0 0 12px;
    }
    .mobilePanel.show{display:block}
    .mobilePanel .stack{
      display:grid;
      gap:10px;
      padding-top:10px;
    }
    .mobilePanel a{
      text-decoration:none;
      color:var(--muted);
      font-size:13px;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(231,232,234,.95);
      background: rgba(255,255,255,.78);
    }
    .mobilePanel a:focus{outline:none; box-shadow: var(--focus)}