:root{
      --bg0:#fbfaf7;
      --bg1:#f4f6f8;
      --card:#ffffff;
      --text:#1f2937;
      --muted:#5b6675;
      --line:#e6e8ee;
      --brand:#1f6feb;
      --brand2:#0b5bd3;
      --accent:#ff7a45;
      --shadow: 0 10px 30px rgba(16,24,40,.08);
      --shadow2: 0 8px 22px rgba(16,24,40,.10);
      --radius: 18px;
      --radius2: 14px;
      --ring: rgba(31,111,235,.22);
      --focus: rgba(31,111,235,.45);
    }
    *{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","Noto Sans CJK SC", sans-serif;
      color:var(--text);
      background:
        radial-gradient(800px 420px at 12% -10%, rgba(31,111,235,.12), rgba(31,111,235,0) 55%),
        radial-gradient(700px 380px at 88% 0%, rgba(255,122,69,.10), rgba(255,122,69,0) 55%),
        linear-gradient(180deg, var(--bg0), var(--bg1) 65%, #ffffff 100%);
    }
    a{color:inherit}
    .container{
      width: min(1100px, 100%);
      padding: 0 18px;
      margin: 0 auto;
    }

    header{
      position: sticky;
      top:0;
      z-index:20;
      backdrop-filter: blur(10px);
      background: rgba(251,250,247,.72);
      border-bottom: 1px solid rgba(230,232,238,.8);
    }
    .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: 180px;
    }
    .logo{
      width:34px; height:34px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(31,111,235,.95), rgba(11,91,211,.75));
      box-shadow: 0 10px 22px rgba(31,111,235,.22);
      display:grid;
      place-items:center;
      flex:0 0 auto;
    }
    .logo svg{display:block}
    .brand span{
      font-weight:750;
      letter-spacing:.2px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .nav-right{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .menu{
      display:none;
      gap:8px;
      align-items:center;
    }
    .menu a{
      text-decoration:none;
      font-weight:650;
      color:var(--muted);
      padding:10px 12px;
      border-radius: 12px;
      border:1px solid transparent;
      transition: background .15s ease, border-color .15s ease, color .15s ease, transform .15s ease;
    }
    .menu a:hover{
      background: rgba(31,111,235,.06);
      border-color: rgba(31,111,235,.16);
      color: var(--text);
      transform: translateY(-1px);
    }
    .cta{
      text-decoration:none;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding: 11px 14px;
      border-radius: 999px;
      background: linear-gradient(135deg, rgba(31,111,235,.95), rgba(11,91,211,.75));
      color:#fff;
      font-weight:750;
      box-shadow: 0 14px 26px rgba(31,111,235,.22);
      border: 1px solid rgba(255,255,255,.25);
      transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
      white-space:nowrap;
    }
    .cta:hover{
      transform: translateY(-1px);
      box-shadow: 0 18px 32px rgba(31,111,235,.28);
      filter: saturate(1.03);
    }
    .hamburger{
      width:44px; height:44px;
      display:inline-grid;
      place-items:center;
      border-radius: 14px;
      border: 1px solid rgba(230,232,238,.9);
      background: rgba(255,255,255,.7);
      box-shadow: 0 10px 22px rgba(16,24,40,.05);
      cursor:pointer;
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .hamburger:hover{transform: translateY(-1px); border-color: rgba(31,111,235,.22); background:#fff}
    .hamburger:focus-visible{
      outline: 3px solid var(--focus);
      outline-offset: 2px;
    }
    .mobile-panel{
      display:none;
      padding: 10px 0 14px;
    }
    .mobile-panel .links{
      display:grid;
      gap:8px;
      padding: 10px 0 0;
    }
    .mobile-panel a{
      text-decoration:none;
      font-weight:700;
      color:var(--text);
      background: rgba(255,255,255,.75);
      border: 1px solid rgba(230,232,238,.9);
      border-radius: 14px;
      padding: 12px 14px;
      box-shadow: 0 12px 24px rgba(16,24,40,.05);
      transition: transform .15s ease, border-color .15s ease;
    }
    .mobile-panel a:hover{transform: translateY(-1px); border-color: rgba(31,111,235,.24)}
    .mobile-panel .small-cta{
      margin-top:10px;
      width:100%;
    }

    main{padding: 26px 0 18px}
    .hero{
      position: relative;
      overflow: hidden;
      border-radius: var(--radius);
      border: 1px solid rgba(230,232,238,.9);
      background:
        radial-gradient(900px 360px at 18% 20%, rgba(31,111,235,.14), rgba(31,111,235,0) 55%),
        radial-gradient(740px 300px at 80% 0%, rgba(255,122,69,.12), rgba(255,122,69,0) 55%),
        linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.72));
      box-shadow: var(--shadow);
    }
    .hero-inner{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 18px;
      padding: 22px;
      align-items: start;
    }
    .kicker{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding: 9px 12px;
      border-radius: 999px;
      background: rgba(31,111,235,.07);
      border: 1px solid rgba(31,111,235,.16);
      color: #0d4aa7;
      font-weight:800;
      letter-spacing:.2px;
      max-width: 100%;
    }
    .kicker i{
      width:10px; height:10px; border-radius: 50%;
      background: linear-gradient(180deg, rgba(31,111,235,.95), rgba(11,91,211,.65));
      box-shadow: 0 8px 18px rgba(31,111,235,.25);
      display:block;
      flex:0 0 auto;
    }
    h1{
      margin: 12px 0 10px;
      font-size: clamp(24px, 3.2vw, 40px);
      line-height:1.15;
      letter-spacing: -0.6px;
    }
    .lead{
      margin: 0;
      color: var(--muted);
      font-size: 15.5px;
      line-height: 1.7;
      max-width: 58ch;
    }
    .hero-actions{
      margin-top: 16px;
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      align-items:center;
    }
    .ghost{
      text-decoration:none;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding: 11px 14px;
      border-radius: 999px;
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(230,232,238,.9);
      color: var(--text);
      font-weight:760;
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
      white-space:nowrap;
    }
    .ghost:hover{
      transform: translateY(-1px);
      border-color: rgba(31,111,235,.20);
      background: #fff;
    }
    .hero-right{
      display:flex;
      flex-direction:column;
      gap: 12px;
    }
    .price-box{
      border-radius: 16px;
      border: 1px solid rgba(230,232,238,.9);
      background: rgba(255,255,255,.78);
      box-shadow: 0 16px 28px rgba(16,24,40,.06);
      padding: 14px;
    }
    .price-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .price-title{
      font-weight:820;
      letter-spacing:.2px;
      margin:0;
      font-size: 14.5px;
      color: var(--text);
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding: 8px 10px;
      border-radius: 999px;
      background: rgba(255,122,69,.10);
      border: 1px solid rgba(255,122,69,.20);
      color: #a54418;
      font-weight:850;
      font-size: 12.5px;
      white-space:nowrap;
    }
    .badge svg{flex:0 0 auto}
    .price-list{
      margin: 10px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .price-item{
      display:flex;
      gap:10px;
      align-items:flex-start;
    }
    .dot{
      width:10px; height:10px; border-radius:50%;
      margin-top: 6px;
      background: linear-gradient(180deg, rgba(255,122,69,.95), rgba(255,122,69,.55));
      box-shadow: 0 10px 20px rgba(255,122,69,.18);
      flex:0 0 auto;
    }
    .price-item b{
      font-weight:850;
      display:block;
      margin-bottom:3px;
      font-size: 13.5px;
    }
    .price-item span{
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.55;
    }

    .mini-card{
      border-radius: 16px;
      border: 1px solid rgba(230,232,238,.9);
      background: rgba(255,255,255,.70);
      padding: 14px;
    }
    .mini-card h2{
      margin:0 0 8px;
      font-size: 14.8px;
      letter-spacing:.1px;
    }
    .mini-card p{
      margin:0;
      color: var(--muted);
      font-size: 13.8px;
      line-height: 1.65;
    }

    section{
      margin-top: 16px;
    }
    .grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items: start;
    }
    .card{
      border-radius: var(--radius2);
      background: rgba(255,255,255,.82);
      border: 1px solid rgba(230,232,238,.95);
      box-shadow: 0 14px 26px rgba(16,24,40,.05);
      padding: 16px;
      position: relative;
      overflow: hidden;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .card:hover{
      transform: translateY(-2px);
      border-color: rgba(31,111,235,.20);
      box-shadow: var(--shadow2);
    }
    .card h2{
      margin:0 0 10px;
      font-size: 16px;
      letter-spacing: .1px;
    }
    .card p{
      margin:0;
      color: var(--muted);
      font-size: 14.2px;
      line-height: 1.7;
    }
    .facts{
      margin-top: 12px;
      display:grid;
      gap: 10px;
    }
    .fact{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding: 10px 12px;
      border-radius: 14px;
      background: rgba(244,246,248,.72);
      border: 1px solid rgba(230,232,238,.85);
    }
    .icon{
      width:34px; height:34px;
      border-radius: 12px;
      display:grid;
      place-items:center;
      border: 1px solid rgba(31,111,235,.16);
      background: rgba(31,111,235,.07);
      flex:0 0 auto;
    }
    .fact b{
      display:block;
      font-weight:900;
      margin-bottom:3px;
      font-size: 13.8px;
    }
    .fact span{
      color: var(--muted);
      font-size: 13.6px;
      line-height: 1.6;
    }

    .steps{
      margin-top: 10px;
      display:grid;
      gap: 10px;
    }
    .step{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding: 12px;
      border-radius: 14px;
      border: 1px solid rgba(230,232,238,.90);
      background: rgba(255,255,255,.72);
    }
    .num{
      width:34px; height:34px;
      border-radius: 12px;
      display:grid;
      place-items:center;
      font-weight:950;
      color:#0d4aa7;
      background: rgba(31,111,235,.10);
      border: 1px solid rgba(31,111,235,.18);
      flex:0 0 auto;
    }
    .step b{
      display:block;
      font-weight:900;
      margin: 2px 0 4px;
      font-size: 13.9px;
    }
    .step span{
      color: var(--muted);
      font-size: 13.6px;
      line-height: 1.6;
    }

    .faq{
      margin-top: 16px;
      border-radius: var(--radius);
      border: 1px solid rgba(230,232,238,.95);
      background: rgba(255,255,255,.78);
      box-shadow: 0 16px 30px rgba(16,24,40,.05);
      overflow: hidden;
    }
    .faq-head{
      padding: 16px 16px 10px;
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:14px;
      border-bottom: 1px solid rgba(230,232,238,.85);
      background:
        radial-gradient(700px 260px at 5% 0%, rgba(31,111,235,.10), rgba(31,111,235,0) 60%),
        radial-gradient(600px 240px at 95% 0%, rgba(255,122,69,.09), rgba(255,122,69,0) 60%),
        rgba(255,255,255,.72);
    }
    .faq-head h2{
      margin:0;
      font-size: 16.5px;
      letter-spacing:.1px;
    }
    .faq-head p{
      margin:6px 0 0;
      color: var(--muted);
      font-size: 13.8px;
      line-height:1.65;
      max-width: 64ch;
    }
    details{
      padding: 0 16px;
    }
    details[open] .q{
      border-bottom-color: rgba(31,111,235,.24);
    }
    .q{
      cursor:pointer;
      user-select:none;
      padding: 14px 0;
      border-bottom: 1px solid rgba(230,232,238,.85);
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .q b{
      font-size: 14.6px;
      font-weight: 900;
      line-height:1.45;
    }
    .chev{
      width:28px; height:28px;
      border-radius: 10px;
      border: 1px solid rgba(230,232,238,.95);
      background: rgba(244,246,248,.7);
      display:grid;
      place-items:center;
      flex:0 0 auto;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      margin-top: -2px;
    }
    details[open] .chev{
      transform: rotate(180deg);
      border-color: rgba(31,111,235,.20);
      background: rgba(31,111,235,.08);
    }
    .a{
      padding: 0 0 14px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
      max-width: 76ch;
    }

    .contact{
      margin-top: 16px;
      border-radius: var(--radius);
      border: 1px solid rgba(230,232,238,.95);
      background: rgba(255,255,255,.80);
      box-shadow: 0 18px 32px rgba(16,24,40,.05);
      overflow:hidden;
    }
    .contact-inner{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 0;
      align-items: stretch;
    }
    .contact-left{
      padding: 16px;
      border-right: 1px solid rgba(230,232,238,.85);
      background:
        radial-gradient(800px 260px at 20% 0%, rgba(31,111,235,.12), rgba(31,111,235,0) 60%),
        radial-gradient(600px 260px at 90% 10%, rgba(255,122,69,.10), rgba(255,122,69,0) 60%),
        rgba(255,255,255,.72);
    }
    .contact-left h2{margin:0 0 10px; font-size:16.5px}
    .contact-left p{
      margin:0;
      color: var(--muted);
      font-size: 14.2px;
      line-height: 1.7;
    }
    .bullets{
      margin: 12px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .bullets li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding: 10px 12px;
      border-radius: 14px;
      background: rgba(244,246,248,.7);
      border: 1px solid rgba(230,232,238,.85);
    }
    .check{
      width:18px; height:18px;
      border-radius: 6px;
      background: rgba(31,111,235,.10);
      border: 1px solid rgba(31,111,235,.18);
      display:grid;
      place-items:center;
      flex:0 0 auto;
      margin-top: 2px;
    }
    .bullets b{display:block; font-weight:930; margin-bottom:3px; font-size: 13.8px}
    .bullets span{color: var(--muted); font-size: 13.6px; line-height: 1.6}

    .contact-right{
      padding: 16px;
      display:flex;
      align-items:center;
      justify-content:center;
      background: rgba(255,255,255,.72);
    }
    form{
      width:100%;
      max-width: 420px;
      display:grid;
      gap: 10px;
    }
    .field{
      display:grid;
      gap:6px;
    }
    label{
      font-weight:820;
      font-size: 13.5px;
      color: var(--text);
    }
    input, textarea{
      width:100%;
      border: 1px solid rgba(230,232,238,.95);
      background: rgba(244,246,248,.65);
      border-radius: 14px;
      padding: 12px 12px;
      font-size: 14px;
      color: var(--text);
      transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
    }
    textarea{min-height: 92px; resize: vertical}
    input:focus, textarea:focus{
      outline:none;
      border-color: rgba(31,111,235,.35);
      box-shadow: 0 0 0 4px var(--ring);
      background:#fff;
    }
    .row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .form-actions{
      display:flex;
      gap:10px;
      align-items:center;
      margin-top: 6px;
    }
    .submit{
      flex: 1 1 auto;
      border:none;
      cursor:pointer;
      border-radius: 999px;
      padding: 12px 14px;
      font-weight:900;
      background: linear-gradient(135deg, rgba(31,111,235,.95), rgba(11,91,211,.75));
      color:#fff;
      box-shadow: 0 16px 30px rgba(31,111,235,.22);
      transition: transform .15s ease, filter .15s ease, box-shadow .15s ease;
    }
    .submit:hover{transform: translateY(-1px); filter: saturate(1.03); box-shadow: 0 20px 36px rgba(31,111,235,.28)}
    .submit:disabled{opacity:.65; cursor:not-allowed; transform:none; box-shadow:none}
    .secondary{
      flex: 0 0 auto;
      border-radius: 999px;
      padding: 12px 14px;
      font-weight:880;
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(230,232,238,.95);
      color: var(--text);
      cursor:pointer;
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .secondary:hover{transform: translateY(-1px); border-color: rgba(31,111,235,.20); background:#fff}
    .fineprint{
      color: var(--muted);
      font-size: 12.8px;
      line-height:1.6;
      margin-top: 2px;
    }

    footer{
      margin-top: 16px;
      background: #0f172a;
      color: #e5e7eb;
      border-top: 1px solid rgba(255,255,255,.10);
    }
    .footer-inner{
      padding: 18px 0;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
    }
    .foot-left{
      display:flex;
      flex-direction:column;
      gap:6px;
      min-width: 240px;
    }
    .foot-title{
      font-weight:930;
      letter-spacing:.2px;
    }
    .foot-muted{
      color: rgba(229,231,235,.78);
      font-size: 13.2px;
      line-height:1.6;
      max-width: 60ch;
    }
    .foot-links{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .foot-links a{
      text-decoration:none;
      color: rgba(229,231,235,.86);
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.06);
      padding: 9px 12px;
      border-radius: 999px;
      font-weight:820;
      font-size: 13px;
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .foot-links a:hover{
      transform: translateY(-1px);
      border-color: rgba(255,255,255,.22);
      background: rgba(255,255,255,.09);
    }

    .sr-only{
      position:absolute;
      width:1px; height:1px;
      padding:0; margin:-1px;
      overflow:hidden; clip:rect(0,0,0,0);
      white-space:nowrap; border:0;
    }

    @media (max-width: 920px){
      .hero-inner{grid-template-columns: 1fr; padding: 18px}
      .contact-inner{grid-template-columns: 1fr}
      .contact-left{border-right:none; border-bottom: 1px solid rgba(230,232,238,.85)}
      .grid{grid-template-columns: 1fr}
      .menu{display:none}
    }
    @media (min-width: 921px){
      .menu{display:flex}
      .hamburger{display:none}
      .mobile-panel{display:none !important}
    }
    @media (max-width: 520px){
      .row{grid-template-columns: 1fr}
      .hero-actions{gap:10px}
      .cta{padding: 11px 12px}
      .ghost{padding: 11px 12px}
      .brand{min-width: 140px}
    }

    @media (prefers-reduced-motion: reduce){
      *{scroll-behavior:auto !important}
      .card, .cta, .ghost, .submit, .secondary, .menu a, .hamburger, .foot-links a{transition:none !important}
    }