:root{
      --bg0:#f7f5f1;
      --bg1:#ffffff;
      --text:#1f2328;
      --muted:#5b646f;
      --subtle:#7b8794;
      --line:rgba(23,33,48,.12);
      --card:#ffffff;
      --accent:#2f6fed;
      --accent2:#f97316;
      --shadow: 0 10px 30px rgba(14, 24, 40, .08);
      --radius:16px;
      --radius2:22px;
      --focus: 0 0 0 4px rgba(47,111,237,.18);
    }
    *{box-sizing:border-box}
    html,body{height:100%}
    body{
      margin:0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 420px at 8% -10%, rgba(47,111,237,.14), transparent 60%),
        radial-gradient(700px 340px at 92% 0%, rgba(249,115,22,.12), transparent 55%),
        linear-gradient(180deg, var(--bg0), #ffffff 55%, #ffffff);
      overflow-x:hidden;
    }
    a{color:inherit}
    .container{
      width:100%;
      max-width:1060px;
      margin:0 auto;
      padding:0 18px;
    }
    header{
      position:sticky;
      top:0;
      z-index:20;
      backdrop-filter:saturate(140%) blur(10px);
      background:rgba(247,245,241,.78);
      border-bottom:1px solid rgba(23,33,48,.08);
    }
    .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:190px;
    }
    .mark{
      width:34px;height:34px;border-radius:12px;
      background: linear-gradient(135deg, rgba(47,111,237,.95), rgba(47,111,237,.25));
      border:1px solid rgba(47,111,237,.25);
      box-shadow: 0 10px 20px rgba(47,111,237,.14);
      display:grid;place-items:center;
      flex:0 0 auto;
    }
    .mark svg{width:18px;height:18px;fill:none;stroke:#0b3a91;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
    .brand strong{font-size:14px;letter-spacing:.2px}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
    .nav-right{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:10px;
      min-width:220px;
    }
    .menu-btn{
      appearance:none;
      border:1px solid rgba(23,33,48,.14);
      background:rgba(255,255,255,.75);
      color:var(--text);
      padding:10px 12px;
      border-radius:12px;
      display:none;
      cursor:pointer;
      transition:transform .12s ease, background .2s ease, border-color .2s ease;
      line-height:1;
      font-weight:600;
      font-size:13px;
    }
    .menu-btn:active{transform:scale(.98)}
    .menu-btn:focus{outline:none; box-shadow:var(--focus)}
    .menu{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .menu 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;
    }
    .menu a:hover{
      background:rgba(255,255,255,.7);
      border-color:rgba(23,33,48,.10);
      color:var(--text);
    }
    .cta{
      text-decoration:none;
      font-size:13px;
      font-weight:700;
      color:#fff;
      background: linear-gradient(135deg, var(--accent), #1e4fd0);
      padding:10px 14px;
      border-radius:14px;
      box-shadow: 0 12px 22px rgba(47,111,237,.22);
      border:1px solid rgba(47,111,237,.25);
      transition: transform .15s ease, filter .2s ease;
      white-space:nowrap;
    }
    .cta:hover{filter:brightness(1.02)}
    .cta:active{transform:scale(.99)}
    .cta:focus{outline:none; box-shadow:var(--focus)}
    main{padding:26px 0 18px}
    .hero{
      display:grid;
      grid-template-columns: 1.25fr .75fr;
      gap:18px;
      align-items:stretch;
      margin-top:18px;
    }
    .hero-left{
      background: linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.96));
      border:1px solid rgba(23,33,48,.10);
      border-radius:var(--radius2);
      box-shadow: var(--shadow);
      padding:22px 20px 18px;
      overflow:hidden;
      position:relative;
      min-height:260px;
    }
    .hero-left::before{
      content:"";
      position:absolute; inset:-1px;
      background:
        radial-gradient(520px 240px at 20% 10%, rgba(47,111,237,.18), transparent 60%),
        radial-gradient(420px 220px at 95% 30%, rgba(249,115,22,.15), transparent 58%);
      pointer-events:none;
    }
    .hero-left > *{position:relative}
    .kicker{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 10px;
      border-radius:999px;
      background: rgba(255,255,255,.72);
      border:1px solid rgba(23,33,48,.10);
      color:var(--muted);
      font-size:12.5px;
      font-weight:600;
      max-width:100%;
    }
    .dot{
      width:9px;height:9px;border-radius:50%;
      background: linear-gradient(135deg, var(--accent), rgba(47,111,237,.25));
      box-shadow: 0 0 0 4px rgba(47,111,237,.12);
      flex:0 0 auto;
    }
    h1{
      margin:14px 0 8px;
      font-size:34px;
      line-height:1.15;
      letter-spacing:-.4px;
    }
    .lead{
      margin:0;
      color:var(--muted);
      font-size:14.5px;
      line-height:1.7;
      max-width:62ch;
    }
    .hero-actions{
      display:flex;
      gap:10px;
      margin-top:16px;
      flex-wrap:wrap;
      align-items:center;
    }
    .btn{
      appearance:none;
      border:1px solid rgba(23,33,48,.12);
      background: rgba(255,255,255,.82);
      color:var(--text);
      padding:11px 14px;
      border-radius:14px;
      cursor:pointer;
      font-weight:700;
      font-size:13.5px;
      transition: transform .12s ease, border-color .2s ease, background .2s ease;
      display:inline-flex;
      align-items:center;
      gap:10px;
      text-decoration:none;
      user-select:none;
    }
    .btn:active{transform:scale(.99)}
    .btn:focus{outline:none; box-shadow:var(--focus)}
    .btn svg{width:18px;height:18px;flex:0 0 auto}
    .btn-primary{
      background: linear-gradient(135deg, rgba(47,111,237,.98), rgba(47,111,237,.35));
      color:#fff;
      border-color: rgba(47,111,237,.35);
      box-shadow: 0 14px 26px rgba(47,111,237,.18);
    }
    .btn-primary svg{stroke:#fff}
    .btn-primary:hover{filter:brightness(1.02)}
    .btn-ghost{
      background: rgba(255,255,255,.75);
    }
    .pill-row{
      margin-top:14px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 10px;
      border-radius:999px;
      border:1px solid rgba(23,33,48,.10);
      background: rgba(255,255,255,.7);
      color:var(--muted);
      font-size:12.5px;
      font-weight:650;
    }
    .pill svg{width:16px;height:16px;flex:0 0 auto;stroke:#38506a;fill:none;stroke-width:2}
    .hero-right{
      background: rgba(255,255,255,.78);
      border:1px solid rgba(23,33,48,.10);
      border-radius:var(--radius2);
      box-shadow: 0 10px 26px rgba(14,24,40,.06);
      padding:16px 16px 14px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:260px;
    }
    .side-title{
      font-size:14px;
      font-weight:800;
      margin:2px 0 10px;
      letter-spacing:.2px;
    }
    .checklist{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .check-item{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:10px 10px;
      border-radius:14px;
      background: rgba(255,255,255,.85);
      border:1px solid rgba(23,33,48,.08);
      transition: transform .12s ease, border-color .2s ease, background .2s ease;
    }
    .check-item:hover{
      transform: translateY(-1px);
      border-color: rgba(47,111,237,.22);
      background: rgba(255,255,255,.95);
    }
    .badge{
      width:22px;height:22px;border-radius:8px;
      background: rgba(47,111,237,.12);
      border:1px solid rgba(47,111,237,.22);
      display:grid;place-items:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .badge svg{width:14px;height:14px;stroke:var(--accent);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
    .check-item strong{
      display:block;
      font-size:13.2px;
      margin-top:1px;
    }
    .check-item span{
      display:block;
      font-size:12.8px;
      color:var(--muted);
      line-height:1.5;
      margin-top:4px;
    }
    section.block{
      margin-top:18px;
      background: rgba(255,255,255,.78);
      border:1px solid rgba(23,33,48,.10);
      border-radius:var(--radius2);
      box-shadow: 0 10px 26px rgba(14,24,40,.05);
      overflow:hidden;
    }
    .block-inner{padding:18px 18px 16px}
    .block-header{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      padding-bottom:12px;
      border-bottom:1px solid rgba(23,33,48,.08);
      margin-bottom:14px;
    }
    h2{
      margin:0;
      font-size:18px;
      letter-spacing:-.2px;
    }
    .hint{
      color:var(--muted);
      font-size:12.8px;
      line-height:1.5;
      margin:2px 0 0;
      max-width:46ch;
    }
    .steps{
      display:grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap:12px;
    }
    .step{
      border-radius:18px;
      background: rgba(255,255,255,.9);
      border:1px solid rgba(23,33,48,.10);
      padding:14px 14px 12px;
      position:relative;
      overflow:hidden;
      transition: transform .15s ease, border-color .2s ease;
    }
    .step:hover{
      transform: translateY(-2px);
      border-color: rgba(47,111,237,.22);
    }
    .step .num{
      position:absolute;
      top:10px; right:12px;
      font-weight:900;
      font-size:12px;
      color:rgba(47,111,237,.35);
      letter-spacing:.5px;
    }
    .step h3{
      margin:0;
      font-size:14.5px;
      letter-spacing:-.1px;
      padding-right:38px;
    }
    .step p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.65;
    }
    .grid2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    .card{
      border-radius:18px;
      background: rgba(255,255,255,.9);
      border:1px solid rgba(23,33,48,.10);
      padding:14px 14px 12px;
    }
    .card h3{
      margin:0;
      font-size:14.5px;
      letter-spacing:-.1px;
    }
    .list{
      margin:10px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .li{
      display:flex;
      gap:10px;
      align-items:flex-start;
    }
    .tick{
      width:22px;height:22px;border-radius:9px;
      background: rgba(249,115,22,.12);
      border:1px solid rgba(249,115,22,.22);
      display:grid;place-items:center;
      flex:0 0 auto;
      margin-top:2px;
    }
    .tick svg{width:14px;height:14px;stroke:#b45309;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
    .li div strong{
      display:block;
      font-size:13.2px;
      margin-top:1px;
    }
    .li div span{
      display:block;
      font-size:12.9px;
      color:var(--muted);
      line-height:1.55;
      margin-top:4px;
    }
    .faq{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
    }
    details{
      border-radius:18px;
      background: rgba(255,255,255,.9);
      border:1px solid rgba(23,33,48,.10);
      padding:12px 14px;
      transition: border-color .2s ease, transform .15s ease;
    }
    details[open]{border-color: rgba(47,111,237,.26)}
    details summary{
      cursor:pointer;
      list-style:none;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      user-select:none;
    }
    details summary::-webkit-details-marker{display:none}
    .q{
      display:flex; align-items:flex-start; gap:10px;
      font-weight:800;
      font-size:14px;
      letter-spacing:-.1px;
    }
    .q .qicon{
      width:24px;height:24px;border-radius:10px;
      background: rgba(47,111,237,.12);
      border:1px solid rgba(47,111,237,.22);
      display:grid;place-items:center;
      flex:0 0 auto; margin-top:1px;
    }
    .q .qicon svg{width:14px;height:14px;stroke:var(--accent);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
    .chev{
      width:28px;height:28px;border-radius:12px;
      border:1px solid rgba(23,33,48,.10);
      background: rgba(255,255,255,.75);
      display:grid;place-items:center;
      flex:0 0 auto;
      transition: transform .2s ease;
    }
    details[open] .chev{transform: rotate(180deg)}
    .chev svg{width:14px;height:14px;stroke:var(--muted);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
    .a{
      margin-top:10px;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .a strong{color:var(--text)}
    footer{
      margin-top:18px;
      padding:18px 0 22px;
      border-top:1px solid rgba(23,33,48,.10);
      background: rgba(255,255,255,.55);
    }
    .footer-inner{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
    }
    .foot-left{
      min-width:240px;
      flex:1 1 320px;
    }
    .foot-left strong{
      display:block;
      font-size:14px;
      margin-bottom:6px;
    }
    .foot-left p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
      max-width:60ch;
    }
    .foot-right{
      display:flex;
      gap:10px;
      align-items:center;
      flex-wrap:wrap;
      justify-content:flex-end;
      flex:1 1 320px;
    }
    .mini-link{
      text-decoration:none;
      font-size:13px;
      color:var(--muted);
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(23,33,48,.12);
      background: rgba(255,255,255,.7);
      transition: transform .12s ease, border-color .2s ease, background .2s ease, color .2s ease;
    }
    .mini-link:hover{
      transform: translateY(-1px);
      border-color: rgba(47,111,237,.22);
      background: rgba(255,255,255,.92);
      color:var(--text);
    }
    .copyright{
      margin-top:12px;
      color:rgba(91,100,111,.95);
      font-size:12.5px;
    }
    @media (max-width: 920px){
      .hero{grid-template-columns: 1fr; }
      .hero-right{min-height:auto}
      .steps{grid-template-columns: 1fr; }
      .grid2{grid-template-columns: 1fr;}
      h1{font-size:28px}
      .menu{display:none}
      .menu-btn{display:inline-flex}
      .nav-right{min-width:auto}
    }
    .mobile-panel{
      display:none;
      border-top:1px solid rgba(23,33,48,.08);
      padding:10px 0 14px;
    }
    .mobile-panel.open{display:block}
    .mobile-panel .row{
      display:flex; flex-direction:column; gap:10px;
    }
    .mobile-panel a{
      text-decoration:none;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(23,33,48,.10);
      background: rgba(255,255,255,.75);
      color:var(--text);
      font-weight:700;
      font-size:13.5px;
    }
    .mobile-panel .muted{
      color:var(--muted);
      font-weight:650;
      background: rgba(255,255,255,.65);
    }
    .entry{
      opacity:0;
      transform: translateY(8px);
      animation: rise .55s ease forwards;
    }
    @keyframes rise{
      to{opacity:1; transform: translateY(0)}
    }
    @media (prefers-reduced-motion: reduce){
      .entry{animation:none}
      .step:hover,.check-item:hover,.mini-link:hover{transform:none}
      details[open] .chev{transform:none}
    }