:root{
      --bg:#fbf7f0;
      --card:#ffffff;
      --text:#1f2937;
      --muted:#6b7280;
      --line:rgba(17,24,39,.10);
      --shadow: 0 10px 30px rgba(15,23,42,.08);
      --accent:#8a5cff;
      --accent2:#2f6fff;
      --accent3:#ffb020;
      --radius:16px;
    }
    *{box-sizing:border-box}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 420px at 15% -10%, rgba(138,92,255,.18), transparent 55%),
        radial-gradient(720px 380px at 85% 0%, rgba(47,111,255,.14), transparent 50%),
        radial-gradient(520px 300px at 70% 30%, rgba(255,176,32,.12), transparent 55%),
        var(--bg);
      line-height:1.6;
    }
    a{color:inherit}
    .container{
      width: min(1040px, calc(100% - 32px));
      margin: 0 auto;
    }
    .skip{
      position:absolute;
      left:-9999px;
      top:8px;
      background:#fff;
      padding:10px 12px;
      border-radius:10px;
      box-shadow:var(--shadow);
      z-index:9999;
    }
    .skip:focus{left:12px}
    header{
      position:sticky;
      top:0;
      z-index:20;
      backdrop-filter: blur(10px);
      background: rgba(251,247,240,.78);
      border-bottom: 1px solid rgba(17,24,39,.06);
    }
    .nav{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      min-width: 220px;
    }
    .logo{
      width:38px;height:38px;border-radius:12px;
      background: linear-gradient(135deg, rgba(138,92,255,.20), rgba(47,111,255,.20));
      border: 1px solid rgba(47,111,255,.20);
      box-shadow: 0 8px 18px rgba(138,92,255,.12);
      display:flex;align-items:center;justify-content:center;
      position:relative;
      overflow:hidden;
    }
    .logo:before{
      content:"";
      position:absolute; inset:-20px;
      background: conic-gradient(from 180deg, rgba(138,92,255,.55), rgba(47,111,255,.45), rgba(255,176,32,.35), rgba(138,92,255,.55));
      opacity:.35;
      animation: spin 10s linear infinite;
    }
    .logo span{
      position:relative;
      width:18px;height:18px;border-radius:6px;
      border:2px solid rgba(31,41,55,.35);
      background: rgba(255,255,255,.55);
      transform: rotate(10deg);
    }
    @keyframes spin{to{transform:rotate(360deg)}}
    .brand strong{
      font-size:14px;
      letter-spacing:.2px;
    }
    .brand small{
      display:block;
      color:var(--muted);
      font-size:12px;
      margin-top:2px;
      white-space:nowrap;
    }

    nav .menu{
      display:flex;
      align-items:center;
      gap:18px;
    }
    .menu a{
      text-decoration:none;
      font-size:14px;
      color: rgba(31,41,55,.85);
      padding:8px 10px;
      border-radius:12px;
      transition: background .2s ease, transform .2s ease;
    }
    .menu a:hover{
      background: rgba(17,24,39,.06);
      transform: translateY(-1px);
    }

    .cta{
      display:flex;
      align-items:center;
      gap:10px;
      min-width: 220px;
      justify-content:flex-end;
    }
    .btn{
      appearance:none;
      border:none;
      cursor:pointer;
      border-radius:14px;
      padding:10px 14px;
      font-weight:650;
      font-size:14px;
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
      user-select:none;
      white-space:nowrap;
    }
    .btn:active{transform: translateY(1px)}
    .btn-primary{
      color:#fff;
      background: linear-gradient(135deg, var(--accent), var(--accent2));
      box-shadow: 0 12px 24px rgba(138,92,255,.25);
    }
    .btn-primary:hover{
      box-shadow: 0 16px 34px rgba(138,92,255,.30);
    }
    .btn-ghost{
      color: rgba(31,41,55,.90);
      background: rgba(255,255,255,.55);
      border: 1px solid rgba(17,24,39,.10);
    }
    .btn-ghost:hover{
      background: rgba(255,255,255,.75);
      border-color: rgba(17,24,39,.14);
    }

    .mobile-toggle{
      display:none;
    }
    @media (max-width: 860px){
      .menu{display:none}
      .mobile-toggle{
        display:inline-flex;
        align-items:center;
        gap:10px;
        padding:10px 12px;
        border-radius:14px;
        background: rgba(255,255,255,.55);
        border:1px solid rgba(17,24,39,.10);
        cursor:pointer;
      }
      .mobile-toggle:active{transform: translateY(1px)}
      .cta{min-width:auto}
      .btn-ghost{display:none}
      .brand{min-width:auto}
    }

    .panel{
      display:none;
      padding: 10px 0 16px;
    }
    .panel.open{display:block}
    .panel a{
      display:flex;
      justify-content:space-between;
      align-items:center;
      text-decoration:none;
      padding:12px 14px;
      border: 1px solid rgba(17,24,39,.08);
      border-radius:14px;
      background: rgba(255,255,255,.55);
      margin-top:10px;
    }
    .panel a:first-child{margin-top:0}
    .panel a span{
      font-weight:650;
      font-size:14px;
    }
    .panel a em{
      font-style:normal;
      color:var(--muted);
      font-size:13px;
    }

    main{padding: 24px 0 18px}
    .hero{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 18px;
      align-items: start;
      margin-top: 16px;
    }
    @media (max-width: 900px){
      .hero{grid-template-columns:1fr}
    }

    .heroCard{
      background: rgba(255,255,255,.62);
      border: 1px solid rgba(17,24,39,.10);
      border-radius: var(--radius);
      box-shadow: 0 16px 40px rgba(15,23,42,.06);
      padding: 22px 20px;
      position:relative;
      overflow:hidden;
    }
    .heroCard:after{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(600px 260px at 10% 0%, rgba(138,92,255,.18), transparent 55%),
        radial-gradient(520px 240px at 90% 30%, rgba(47,111,255,.14), transparent 55%);
      pointer-events:none;
    }
    .heroInner{position:relative}
    .kicker{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.75);
      border: 1px solid rgba(17,24,39,.08);
      color: rgba(31,41,55,.86);
      font-size:13px;
      font-weight:650;
    }
    .dot{
      width:10px;height:10px;border-radius:50%;
      background: linear-gradient(135deg, var(--accent), var(--accent2));
      box-shadow: 0 0 0 5px rgba(138,92,255,.12);
    }
    h1{
      margin: 12px 0 10px;
      font-size: clamp(24px, 3.2vw, 36px);
      line-height:1.15;
      letter-spacing: -0.5px;
    }
    .lead{
      margin: 0;
      color: rgba(31,41,55,.80);
      font-size: 15px;
      max-width: 60ch;
    }

    .heroFacts{
      margin-top: 16px;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      position:relative;
    }
    @media (max-width: 560px){
      .heroFacts{grid-template-columns:1fr}
    }
    .fact{
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(17,24,39,.08);
      border-radius: 14px;
      padding: 12px 12px;
      display:flex;
      gap:10px;
      align-items:flex-start;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .fact:hover{
      transform: translateY(-2px);
      box-shadow: 0 14px 26px rgba(15,23,42,.08);
    }
    .badgeIcon{
      width:34px;height:34px;border-radius:12px;
      background: linear-gradient(135deg, rgba(138,92,255,.18), rgba(47,111,255,.14));
      border: 1px solid rgba(47,111,255,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .fact h3{
      margin:0;
      font-size:14px;
      letter-spacing:.1px;
    }
    .fact p{
      margin:4px 0 0;
      color: var(--muted);
      font-size:13px;
    }

    .sideCard{
      background: rgba(255,255,255,.60);
      border: 1px solid rgba(17,24,39,.10);
      border-radius: var(--radius);
      box-shadow: 0 16px 40px rgba(15,23,42,.06);
      padding: 18px 16px;
    }
    .sideTitle{
      margin: 0 0 10px;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .priceGrid{
      display:grid;
      grid-template-columns: 1fr;
      gap: 10px;
    }
    .range{
      border-radius: 14px;
      border: 1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.70);
      padding: 12px 12px;
    }
    .rangeTop{
      display:flex; align-items:baseline; justify-content:space-between; gap:12px;
    }
    .range strong{
      font-size:18px;
      letter-spacing:-.2px;
    }
    .range span{
      color: var(--muted);
      font-size:13px;
      white-space:nowrap;
    }
    .range p{
      margin: 6px 0 0;
      color: rgba(31,41,55,.78);
      font-size:13px;
    }

    .anchorRow{
      margin-top: 12px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .chipLink{
      text-decoration:none;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding: 10px 12px;
      border-radius: 999px;
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.65);
      font-size: 13px;
      color: rgba(31,41,55,.88);
      transition: transform .15s ease, background .15s ease;
    }
    .chipLink:hover{
      transform: translateY(-1px);
      background: rgba(255,255,255,.80);
    }
    .arrow{
      width:18px;height:18px;border-radius:6px;
      background: rgba(17,24,39,.06);
      display:flex;align-items:center;justify-content:center;
      font-size:12px;
    }

    .section{
      margin-top: 18px;
      padding: 18px 0 0;
    }
    .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;
      max-width: 52ch;
      text-align:right;
    }
    @media (max-width: 720px){
      .sectionHeader{flex-direction:column; align-items:flex-start}
      .sectionHeader p{text-align:left}
    }

    .grid2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    @media (max-width: 900px){
      .grid2{grid-template-columns:1fr}
    }

    .card{
      background: rgba(255,255,255,.62);
      border: 1px solid rgba(17,24,39,.10);
      border-radius: var(--radius);
      box-shadow: 0 14px 34px rgba(15,23,42,.05);
      padding: 16px 14px;
    }
    .card h3{
      margin:0 0 8px;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color: rgba(31,41,55,.80);
      font-size:14px;
    }

    .list{
      margin: 10px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding: 10px 10px;
      border-radius: 14px;
      border: 1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.68);
    }
    .li i{
      width:28px;height:28px;
      border-radius: 12px;
      background: rgba(138,92,255,.14);
      border: 1px solid rgba(138,92,255,.18);
      display:inline-flex;align-items:center;justify-content:center;
      font-style:normal;
      flex:0 0 auto;
      margin-top:1px;
    }
    .li strong{
      display:block;
      font-size:14px;
      margin-top:1px;
    }
    .li span{
      display:block;
      color: var(--muted);
      font-size:13px;
      margin-top:3px;
    }

    .steps{
      display:grid;
      gap: 12px;
      margin-top: 10px;
    }
    .step{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding: 12px 12px;
      border-radius: 14px;
      border: 1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.68);
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .step:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 28px rgba(15,23,42,.08);
    }
    .num{
      width:36px;height:36px;border-radius: 14px;
      background: linear-gradient(135deg, rgba(47,111,255,.16), rgba(138,92,255,.16));
      border: 1px solid rgba(47,111,255,.18);
      display:flex;align-items:center;justify-content:center;
      font-weight:800;
      letter-spacing:-.3px;
      flex:0 0 auto;
      color: rgba(31,41,55,.88);
    }
    .step h4{
      margin: 0;
      font-size:14px;
    }
    .step p{
      margin: 4px 0 0;
      color: var(--muted);
      font-size:13px;
    }

    .faq{
      display:grid;
      gap: 10px;
    }
    details{
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.64);
      border-radius: var(--radius);
      padding: 12px 12px;
      box-shadow: 0 10px 24px rgba(15,23,42,.04);
    }
    summary{
      cursor:pointer;
      font-weight:700;
      font-size:14px;
      list-style:none;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      padding: 2px 4px;
    }
    summary::-webkit-details-marker{display:none}
    .sumRight{
      color: var(--muted);
      font-weight:650;
      font-size:13px;
      padding-top:2px;
      white-space:nowrap;
    }
    .faq p{
      margin: 10px 4px 0;
      color: rgba(31,41,55,.82);
      font-size:14px;
    }

    .formCard{
      padding: 18px 16px;
    }
    .formHeader{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      margin-bottom: 12px;
    }
    .formHeader h3{
      margin:0;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .formHeader p{
      margin:6px 0 0;
      color: var(--muted);
      font-size:13px;
      max-width: 58ch;
    }
    form{
      display:grid;
      gap: 10px;
      margin-top: 8px;
    }
    .row2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    @media (max-width: 640px){
      .row2{grid-template-columns:1fr}
    }
    label{
      display:block;
      font-size:13px;
      font-weight:650;
      color: rgba(31,41,55,.86);
      margin: 0 0 6px;
    }
    .field{
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(17,24,39,.10);
      border-radius: 14px;
      padding: 10px 12px;
      width: 100%;
      font-size:14px;
      color: var(--text);
      outline: none;
      transition: border-color .15s ease, box-shadow .15s ease;
    }
    .field:focus{
      border-color: rgba(138,92,255,.45);
      box-shadow: 0 0 0 4px rgba(138,92,255,.14);
    }
    textarea.field{
      min-height: 98px;
      resize: vertical;
    }
    .formActions{
      display:flex;
      gap: 10px;
      align-items:center;
      justify-content:space-between;
      flex-wrap:wrap;
      margin-top: 6px;
    }
    .btnSubmit{
      background: linear-gradient(135deg, var(--accent), var(--accent2));
      color:#fff;
      border:none;
      border-radius: 14px;
      padding: 11px 14px;
      font-weight:800;
      cursor:pointer;
      box-shadow: 0 14px 26px rgba(138,92,255,.22);
      transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
      min-width: 160px;
    }
    .btnSubmit:hover{box-shadow: 0 18px 34px rgba(138,92,255,.28)}
    .btnSubmit:active{transform: translateY(1px)}
    .status{
      color: var(--muted);
      font-size:13px;
      display:flex;
      align-items:center;
      gap:8px;
      min-height: 20px;
    }
    .spinner{
      width:16px;height:16px;border-radius:50%;
      border:2px solid rgba(255,255,255,.6);
      border-top-color: rgba(255,255,255,1);
      animation: spin2 .9s linear infinite;
      display:none;
    }
    @keyframes spin2{to{transform:rotate(360deg)}}
    .status.loading .spinner{display:inline-block}
    footer{
      margin-top: 18px;
      border-top: 1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.42);
    }
    .footInner{
      padding: 18px 0 20px;
      display:grid;
      gap: 10px;
    }
    .footTop{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 14px;
      flex-wrap:wrap;
    }
    .footLeft{
      max-width: 68ch;
    }
    .footLeft strong{
      display:block;
      font-size:14px;
      letter-spacing:-.1px;
    }
    .footLeft p{
      margin: 6px 0 0;
      color: rgba(31,41,55,.78);
      font-size:13px;
    }
    .footLinks{
      display:flex;
      gap: 10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .footLinks a{
      text-decoration:none;
      font-size:13px;
      color: rgba(31,41,55,.85);
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
      padding: 9px 12px;
      border-radius: 999px;
      transition: transform .15s ease, background .15s ease;
    }
    .footLinks a:hover{transform: translateY(-1px); background: rgba(255,255,255,.78)}
    .copyright{
      color: rgba(31,41,55,.70);
      font-size:12px;
    }

    @media (prefers-reduced-motion: reduce){
      .logo:before{animation:none}
      .spinner{animation:none}
      .btn, .fact, .step, .chipLink, .menu a{transition:none}
      .fact:hover, .step:hover, .chipLink:hover, .menu a:hover{transform:none}
    }

    .fadeIn{
      animation: fadeIn .5s ease both;
    }
    @keyframes fadeIn{
      from{opacity:0; transform: translateY(8px)}
      to{opacity:1; transform: translateY(0)}
    }