:root{
      --bg:#fbf7f0;
      --paper:#ffffff;
      --text:#1f2937;
      --muted:#5b6677;
      --line:rgba(17,24,39,.10);
      --shadow:0 12px 30px rgba(17,24,39,.08);
      --brand1:#7c3aed;
      --brand2:#0ea5e9;
      --ok:#059669;
      --warn:#b45309;
      --danger:#dc2626;
      --ring:rgba(124,58,237,.25);
      --radius:18px;
      --radius2:14px;
    }
    *{box-sizing:border-box}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB","Microsoft YaHei", Arial, sans-serif;
      background:
        radial-gradient(900px 420px at 15% 0%, rgba(124,58,237,.12), transparent 60%),
        radial-gradient(820px 380px at 90% 10%, rgba(14,165,233,.12), transparent 62%),
        linear-gradient(180deg, var(--bg), #ffffff 46%, #ffffff 100%);
      color:var(--text);
      line-height:1.55;
    }
    a{color:inherit; text-decoration:none}
    .container{
      max-width:1040px;
      padding:0 18px;
      margin:0 auto;
    }
    header{
      position:sticky;
      top:0;
      z-index:10;
      background:rgba(251,247,240,.65);
      backdrop-filter: blur(10px);
      border-bottom:1px solid rgba(17,24,39,.08);
    }
    .nav{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:14px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:160px;
    }
    .logo{
      width:36px;
      height:36px;
      border-radius:12px;
      background:
        radial-gradient(14px 14px at 30% 30%, rgba(255,255,255,.9), rgba(255,255,255,0) 60%),
        linear-gradient(135deg, var(--brand1), var(--brand2));
      box-shadow:0 10px 20px rgba(124,58,237,.22);
      border:1px solid rgba(255,255,255,.35);
    }
    .brand strong{
      font-size:14px;
      letter-spacing:.2px;
      display:block;
    }
    .brand span{
      display:block;
      font-size:12px;
      color:var(--muted);
      margin-top:2px;
      white-space:nowrap;
    }
    .menu{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:12px;
      flex-wrap:wrap;
    }
    .pill{
      padding:8px 12px;
      border:1px solid rgba(17,24,39,.12);
      border-radius:999px;
      color:var(--muted);
      font-size:13px;
      background:rgba(255,255,255,.7);
      transition:transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .pill:hover{
      transform:translateY(-1px);
      border-color:rgba(124,58,237,.25);
      background:#fff;
    }
    .primary{
      border-color:rgba(124,58,237,.35);
      background:linear-gradient(135deg, rgba(124,58,237,.12), rgba(14,165,233,.10));
      color:#2b1b5b;
      font-weight:600;
    }

    main{padding:28px 0 18px}
    .hero{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:18px;
      align-items:stretch;
      margin-top:10px;
    }
    @media (max-width:900px){
      .hero{grid-template-columns:1fr; gap:14px}
      .brand span{display:none}
    }
    .hero-card{
      background:linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,.98));
      border:1px solid rgba(17,24,39,.10);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding:22px 20px;
      position:relative;
      overflow:hidden;
    }
    .hero-card:before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(380px 120px at 10% 0%, rgba(124,58,237,.18), transparent 62%),
        radial-gradient(320px 120px at 95% 20%, rgba(14,165,233,.16), transparent 60%);
      pointer-events:none;
      opacity:.85;
    }
    .hero-card > *{position:relative}
    .badge-row{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      margin-bottom:10px;
    }
    .badge{
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.7);
      color:var(--muted);
    }
    .badge strong{
      color:#2b1b5b;
    }
    h1{
      margin:6px 0 10px;
      font-size:34px;
      letter-spacing:-.6px;
      line-height:1.15;
    }
    @media (max-width:520px){
      h1{font-size:26px}
    }
    .lead{
      color:var(--muted);
      font-size:15px;
      margin:0 0 18px;
      max-width:62ch;
    }
    .hero-actions{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
      margin-top:10px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:11px 14px;
      border-radius:12px;
      border:1px solid rgba(17,24,39,.12);
      background:#fff;
      color:#111827;
      font-weight:600;
      font-size:14px;
      cursor:pointer;
      transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease, background .15s ease;
      user-select:none;
      text-align:center;
    }
    .btn:hover{
      transform:translateY(-1px);
      border-color:rgba(124,58,237,.28);
      box-shadow:0 12px 26px rgba(124,58,237,.12);
    }
    .btn:focus{
      outline:none;
      box-shadow:0 0 0 4px var(--ring), 0 12px 26px rgba(124,58,237,.12);
    }
    .btn-primary{
      border-color:rgba(124,58,237,.35);
      background:linear-gradient(135deg, rgba(124,58,237,.16), rgba(14,165,233,.12));
    }
    .icon-dot{
      width:10px; height:10px; border-radius:50%;
      background:linear-gradient(135deg, var(--brand1), var(--brand2));
      box-shadow:0 10px 18px rgba(124,58,237,.25);
    }

    .side-card{
      background:rgba(255,255,255,.9);
      border:1px solid rgba(17,24,39,.10);
      border-radius: var(--radius);
      box-shadow: 0 10px 26px rgba(17,24,39,.06);
      padding:18px;
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .side-title{
      margin:0;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .steps{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .step{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:12px;
      border-radius:14px;
      background:linear-gradient(180deg, rgba(255,255,255,.9), rgba(255,255,255,1));
      border:1px solid rgba(17,24,39,.10);
      transition:transform .15s ease, border-color .15s ease;
    }
    .step:hover{
      transform:translateY(-1px);
      border-color:rgba(14,165,233,.25);
    }
    .num{
      width:28px; height:28px;
      border-radius:10px;
      background:linear-gradient(135deg, rgba(14,165,233,.18), rgba(124,58,237,.16));
      border:1px solid rgba(124,58,237,.20);
      display:flex; align-items:center; justify-content:center;
      font-weight:700;
      color:#3b2a7a;
      flex:0 0 auto;
      margin-top:1px;
      font-size:13px;
    }
    .step strong{
      display:block;
      font-size:13.5px;
      margin-bottom:3px;
    }
    .step span{
      color:var(--muted);
      font-size:13px;
    }

    .section{
      margin-top:16px;
      padding:18px 0 10px;
    }
    .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,.92);
      border:1px solid rgba(17,24,39,.10);
      border-radius: var(--radius);
      box-shadow:0 10px 24px rgba(17,24,39,.05);
      padding:16px;
    }
    .card h2{
      margin:0 0 8px;
      font-size:18px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .list{
      margin:12px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:12px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,1));
    }
    .tag{
      width:30px; height:30px;
      border-radius:12px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(17,24,39,.10);
      flex:0 0 auto;
      font-weight:800;
      color:#0f172a;
      background:rgba(255,255,255,.8);
    }
    .tag.ok{border-color:rgba(5,150,105,.25); background:rgba(5,150,105,.08); color:var(--ok)}
    .tag.warn{border-color:rgba(180,83,9,.25); background:rgba(180,83,9,.08); color:var(--warn)}
    .tag.danger{border-color:rgba(220,38,38,.25); background:rgba(220,38,38,.08); color:var(--danger)}
    .li strong{
      display:block;
      font-size:14px;
      margin-bottom:4px;
    }
    .li span{
      color:var(--muted);
      font-size:13.5px;
    }

    .divider{
      height:1px;
      background:rgba(17,24,39,.10);
      margin:16px 0 10px;
    }

    details{
      border:1px solid rgba(17,24,39,.10);
      border-radius:16px;
      padding:12px 12px;
      background:rgba(255,255,255,.92);
      box-shadow:0 8px 18px rgba(17,24,39,.04);
      transition:border-color .15s ease, transform .15s ease;
    }
    details[open]{
      border-color:rgba(124,58,237,.22);
      transform:translateY(-1px);
    }
    summary{
      cursor:pointer;
      list-style:none;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      font-weight:700;
      font-size:15px;
      color:#111827;
    }
    summary::-webkit-details-marker{display:none}
    .chev{
      width:22px; height:22px;
      border-radius:8px;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.7);
      display:flex; align-items:center; justify-content:center;
      transition:transform .2s ease;
      flex:0 0 auto;
      color:#334155;
    }
    details[open] .chev{transform:rotate(180deg)}
    .faq{
      margin-top:12px;
      display:grid;
      gap:12px;
    }
    .faq p{
      margin:10px 2px 0;
      color:var(--muted);
      font-size:14px;
    }

    .contact{
      margin-top:16px;
    }
    .form-wrap{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    @media (max-width:900px){
      .form-wrap{grid-template-columns:1fr}
    }
    .form-card{
      background:rgba(255,255,255,.95);
      border:1px solid rgba(17,24,39,.10);
      border-radius: var(--radius);
      box-shadow:0 10px 24px rgba(17,24,39,.05);
      padding:16px;
    }
    .form-card h2{
      margin:0 0 6px;
      font-size:18px;
      letter-spacing:-.2px;
    }
    .hint{
      margin:0 0 12px;
      color:var(--muted);
      font-size:14px;
    }
    form{
      display:grid;
      gap:10px;
    }
    .row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    @media (max-width:520px){
      .row{grid-template-columns:1fr}
    }
    label{
      display:grid;
      gap:6px;
      font-size:13px;
      color:#334155;
      font-weight:600;
    }
    input, textarea{
      width:100%;
      padding:11px 12px;
      border-radius:12px;
      border:1px solid rgba(17,24,39,.14);
      background:#fff;
      color:#111827;
      font-size:14px;
      outline:none;
      transition:box-shadow .15s ease, border-color .15s ease;
    }
    textarea{min-height:96px; resize:vertical}
    input:focus, textarea:focus{
      border-color:rgba(124,58,237,.35);
      box-shadow:0 0 0 4px var(--ring);
    }
    .help{
      margin-top:-4px;
      font-size:12.5px;
      color:var(--muted);
    }
    .status{
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background:linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,1));
      padding:12px;
      display:flex;
      gap:10px;
      align-items:flex-start;
    }
    .status .dot{
      width:12px; height:12px;
      border-radius:50%;
      margin-top:4px;
      background:linear-gradient(135deg, var(--brand1), var(--brand2));
      flex:0 0 auto;
    }
    .status strong{
      display:block;
      font-size:14px;
      margin-bottom:3px;
    }
    .status span{
      color:var(--muted);
      font-size:13.5px;
    }
    .submit-row{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
      margin-top:2px;
    }
    .btn-submit{
      flex:1 1 auto;
      min-width:180px;
      padding:12px 14px;
      border-radius:14px;
      border:1px solid rgba(124,58,237,.35);
      background:linear-gradient(135deg, rgba(124,58,237,.18), rgba(14,165,233,.14));
      font-weight:800;
      cursor:pointer;
      transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease, filter .15s ease;
    }
    .btn-submit:hover{
      transform:translateY(-1px);
      box-shadow:0 14px 30px rgba(124,58,237,.14);
      border-color:rgba(124,58,237,.45);
    }
    .btn-submit:disabled{
      cursor:not-allowed;
      opacity:.65;
      filter:saturate(.7);
      transform:none;
      box-shadow:none;
    }
    .fineprint{
      color:var(--muted);
      font-size:12.5px;
      margin:0;
    }

    footer{
      margin-top:10px;
      padding:22px 0 28px;
      border-top:1px solid rgba(17,24,39,.10);
      background:linear-gradient(180deg, rgba(255,255,255,.6), rgba(255,255,255,.95));
    }
    .footer-inner{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
    }
    .foot-left{
      min-width:240px;
    }
    .foot-left p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:13.5px;
    }
    .small-links{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
      align-items:center;
    }
    .small-links a{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
      color:#374151;
      font-size:13px;
      transition:transform .15s ease, border-color .15s ease;
      display:inline-flex;
      align-items:center;
      gap:8px;
    }
    .small-links a:hover{
      transform:translateY(-1px);
      border-color:rgba(124,58,237,.22);
    }

    .related{
      margin-top:18px;
    }
    .related .rel-card{
      background:rgba(255,255,255,.95);
      border:1px solid rgba(17,24,39,.10);
      border-radius: var(--radius);
      box-shadow:0 10px 24px rgba(17,24,39,.05);
      padding:16px;
    }
    .related h2{
      margin:0 0 10px;
      font-size:18px;
      letter-spacing:-.2px;
    }
    .rel-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:10px;
    }
    @media (max-width:900px){
      .rel-grid{grid-template-columns: repeat(2, 1fr)}
    }
    @media (max-width:520px){
      .rel-grid{grid-template-columns: 1fr}
    }
    .rel-a{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:12px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background:linear-gradient(180deg, rgba(255,255,255,.98), rgba(255,255,255,1));
      transition:transform .15s ease, border-color .15s ease, box-shadow .15s ease;
      min-height:68px;
    }
    .rel-a:hover{
      transform:translateY(-1px);
      border-color:rgba(14,165,233,.22);
      box-shadow:0 12px 24px rgba(14,165,233,.10);
    }
    .rel-ic{
      width:26px; height:26px;
      border-radius:10px;
      background:linear-gradient(135deg, rgba(124,58,237,.16), rgba(14,165,233,.12));
      border:1px solid rgba(124,58,237,.20);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      color:#3b2a7a;
      font-weight:900;
      font-size:12px;
    }
    .rel-text{
      display:flex;
      flex-direction:column;
      gap:3px;
    }
    .rel-text strong{
      font-size:13.5px;
      line-height:1.25;
    }
    .rel-text span{
      color:var(--muted);
      font-size:12.5px;
      line-height:1.25;
    }
    @media (prefers-reduced-motion: reduce){
      *{scroll-behavior:auto !important; transition:none !important; animation:none !important}
    }