:root{
      --bg0:#f7f5f0;
      --bg1:#ffffff;
      --text:#1f2937;
      --muted:#5b6677;
      --line:rgba(17,24,39,.10);
      --card:#ffffff;
      --accent:#2b6cb0;
      --accent2:#0ea5e9;
      --good:#16a34a;
      --warn:#b45309;
      --shadow:0 10px 30px rgba(17,24,39,.08);
      --radius:18px;
      --radius2:14px;
    }
    *{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 520px at 20% 0%, rgba(14,165,233,.10), transparent 60%),
        radial-gradient(700px 420px at 80% 10%, rgba(43,108,176,.10), transparent 55%),
        linear-gradient(180deg, var(--bg0), #ffffff 55%);
      overflow-x:hidden;
    }
    a{color:inherit}
    .container{
      width:min(1100px, calc(100% - 32px));
      margin:0 auto;
    }
    .topbar{
      position:sticky;
      top:0;
      z-index:20;
      background:rgba(247,245,240,.72);
      backdrop-filter:saturate(160%) blur(10px);
      border-bottom:1px solid rgba(17,24,39,.07);
    }
    .topbar-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:14px 0;
      gap:12px;
    }
    .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,.85), rgba(255,255,255,0) 60%),
        linear-gradient(135deg, var(--accent), var(--accent2));
      box-shadow:0 10px 24px rgba(43,108,176,.22);
      position:relative;
      flex:0 0 auto;
    }
    .logo:after{
      content:"";
      position:absolute;
      inset:9px 10px 10px 9px;
      border-radius:10px;
      border:1px solid rgba(255,255,255,.55);
      transform:rotate(-8deg);
      opacity:.9;
    }
    .brand b{
      font-size:14px;
      letter-spacing:.2px;
      color:#0f172a;
      font-weight:800;
    }
    .brand span{
      display:block;
      font-size:12px;
      color:var(--muted);
      margin-top:2px;
      font-weight:600;
      white-space:nowrap;
    }
    .nav{
      display:flex;
      align-items:center;
      gap:14px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav a{
      text-decoration:none;
      font-size:13px;
      color:#334155;
      padding:8px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition:background .2s ease, border-color .2s ease, transform .2s ease;
    }
    .nav a:hover{
      background:rgba(14,165,233,.08);
      border-color:rgba(14,165,233,.20);
      transform:translateY(-1px);
    }
    .cta{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .btn{
      appearance:none;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.85);
      color:#0f172a;
      border-radius:999px;
      padding:10px 14px;
      font-weight:800;
      font-size:13px;
      cursor:pointer;
      transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease, background .15s ease;
      box-shadow:0 6px 18px rgba(17,24,39,.06);
      text-decoration:none;
      display:inline-flex;
      align-items:center;
      gap:8px;
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover{
      transform:translateY(-1px);
      border-color:rgba(14,165,233,.30);
      background:#ffffff;
      box-shadow:0 10px 26px rgba(17,24,39,.10);
    }
    .btn.primary{
      background:linear-gradient(135deg, var(--accent), var(--accent2));
      border-color:rgba(255,255,255,.35);
      color:#ffffff;
      box-shadow:0 14px 34px rgba(14,165,233,.20);
    }
    .btn.primary:hover{
      box-shadow:0 18px 44px rgba(14,165,233,.26);
    }
    .btn svg{flex:0 0 auto}
    .hero{
      padding:34px 0 22px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-card{
      background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.72));
      border:1px solid rgba(17,24,39,.08);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      padding:22px;
      position:relative;
      overflow:hidden;
    }
    .hero-card:before{
      content:"";
      position:absolute;
      width:460px;height:260px;
      right:-160px; top:-140px;
      background:radial-gradient(circle at 30% 30%, rgba(14,165,233,.22), transparent 58%);
      filter:saturate(120%);
      pointer-events:none;
    }
    .kicker{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(14,165,233,.18);
      background:rgba(14,165,233,.06);
      color:#0f172a;
      font-weight:800;
      font-size:12px;
      letter-spacing:.2px;
      margin-bottom:12px;
      position:relative;
      z-index:1;
    }
    .dot{
      width:10px;height:10px;border-radius:50%;
      background:linear-gradient(135deg, var(--accent), var(--accent2));
      box-shadow:0 0 0 6px rgba(14,165,233,.14);
    }
    h1{
      margin:0 0 10px;
      font-size:34px;
      line-height:1.12;
      letter-spacing:-.4px;
      position:relative;
      z-index:1;
    }
    .sub{
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.7;
      max-width:62ch;
      position:relative;
      z-index:1;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      margin-top:16px;
      position:relative;
      z-index:1;
    }
    .mini{
      display:flex;
      align-items:flex-start;
      gap:12px;
      padding:14px 14px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.08);
      background:rgba(255,255,255,.78);
      box-shadow:0 10px 26px rgba(17,24,39,.06);
    }
    .mini-icon{
      width:36px;height:36px;border-radius:14px;
      background:rgba(14,165,233,.12);
      display:flex;align-items:center;justify-content:center;
      border:1px solid rgba(14,165,233,.20);
      flex:0 0 auto;
    }
    .mini h2{
      margin:0;
      font-size:14px;
      letter-spacing:.1px;
    }
    .mini p{
      margin:6px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
    }
    .side-stack{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .side-card{
      background:rgba(255,255,255,.78);
      border:1px solid rgba(17,24,39,.08);
      border-radius:var(--radius);
      padding:16px;
      box-shadow:0 10px 26px rgba(17,24,39,.06);
      overflow:hidden;
      position:relative;
    }
    .side-card:after{
      content:"";
      position:absolute;
      inset:-2px -2px auto auto;
      width:160px;height:90px;
      background:radial-gradient(circle at 20% 20%, rgba(43,108,176,.18), transparent 60%);
      pointer-events:none;
    }
    .side-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:10px;
      position:relative;
      z-index:1;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(43,108,176,.08);
      border:1px solid rgba(43,108,176,.18);
      font-weight:900;
      font-size:12px;
      color:#0f172a;
      white-space:nowrap;
    }
    .side-card h3{
      margin:0;
      font-size:14px;
      letter-spacing:.1px;
      position:relative;
      z-index:1;
    }
    .checklist{
      margin:0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:10px;
      position:relative;
      z-index:1;
    }
    .checklist li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      font-size:13px;
      color:#334155;
      line-height:1.5;
    }
    .tick{
      width:20px;height:20px;border-radius:7px;
      background:rgba(22,163,74,.10);
      border:1px solid rgba(22,163,74,.20);
      display:flex;align-items:center;justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .tick svg{width:12px;height:12px}
    main{
      padding:6px 0 34px;
    }
    section.block{
      margin-top:16px;
    }
    .section-title{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:12px;
      margin:0 0 12px;
      flex-wrap:wrap;
    }
    .section-title h2{
      margin:0;
      font-size:18px;
      letter-spacing:-.2px;
    }
    .section-title p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
      max-width:62ch;
    }
    .grid2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
    }
    .card{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(17,24,39,.08);
      border-radius:var(--radius);
      padding:16px;
      box-shadow:0 10px 26px rgba(17,24,39,.06);
      min-width:0;
    }
    .card h3{
      margin:0 0 10px;
      font-size:15px;
      letter-spacing:-.1px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .list{
      margin:0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.07);
      background:rgba(255,255,255,.72);
      transition:transform .15s ease, border-color .15s ease, box-shadow .15s ease;
    }
    .item:hover{
      transform:translateY(-1px);
      border-color:rgba(14,165,233,.22);
      box-shadow:0 14px 34px rgba(17,24,39,.09);
    }
    .item .num{
      width:34px;height:34px;border-radius:14px;
      background:rgba(14,165,233,.10);
      border:1px solid rgba(14,165,233,.18);
      display:flex;align-items:center;justify-content:center;
      font-weight:1000;
      color:#0f172a;
      flex:0 0 auto;
    }
    .item b{
      display:block;
      font-size:13px;
      margin-top:1px;
      margin-bottom:4px;
      color:#0f172a;
    }
    .item span{
      display:block;
      font-size:13px;
      color:var(--muted);
      line-height:1.6;
    }
    .warnbox{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:14px;
      border-radius:var(--radius);
      border:1px solid rgba(180,83,9,.22);
      background:linear-gradient(180deg, rgba(180,83,9,.10), rgba(255,255,255,.72));
      box-shadow:0 10px 26px rgba(17,24,39,.06);
    }
    .warnicon{
      width:36px;height:36px;border-radius:14px;
      background:rgba(180,83,9,.10);
      border:1px solid rgba(180,83,9,.22);
      display:flex;align-items:center;justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .warnbox h3{
      margin:0 0 6px;
      font-size:15px;
    }
    .warnbox p{
      margin:0;
      color:#4b3a2a;
      font-size:13px;
      line-height:1.7;
    }
    .faq{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .faq details{
      border-radius:var(--radius);
      border:1px solid rgba(17,24,39,.08);
      background:rgba(255,255,255,.86);
      box-shadow:0 10px 26px rgba(17,24,39,.05);
      overflow:hidden;
      transition:border-color .2s ease, transform .2s ease;
    }
    .faq details[open]{
      border-color:rgba(14,165,233,.26);
      transform:translateY(-1px);
    }
    .faq summary{
      cursor:pointer;
      list-style:none;
      padding:14px 16px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      user-select:none;
    }
    .faq summary::-webkit-details-marker{display:none}
    .qtext{
      font-weight:950;
      font-size:14px;
      letter-spacing:-.1px;
    }
    .chev{
      width:30px;height:30px;border-radius:12px;
      border:1px solid rgba(17,24,39,.08);
      background:rgba(255,255,255,.70);
      display:flex;align-items:center;justify-content:center;
      flex:0 0 auto;
      transition:transform .2s ease, background .2s ease, border-color .2s ease;
    }
    details[open] .chev{
      transform:rotate(180deg);
      background:rgba(14,165,233,.08);
      border-color:rgba(14,165,233,.22);
    }
    .answer{
      padding:0 16px 16px;
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
    }
    .anchor{
      scroll-margin-top:90px;
    }
    .form-wrap{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .form-card{
      padding:16px;
    }
    form{
      margin:0;
      display:flex;
      flex-direction:column;
      gap:10px;
      margin-top:10px;
    }
    label{
      display:flex;
      flex-direction:column;
      gap:6px;
      font-size:12.5px;
      color:#334155;
      font-weight:850;
    }
    input, textarea{
      width:100%;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.12);
      background:rgba(255,255,255,.92);
      padding:12px 12px;
      font-size:14px;
      color:#0f172a;
      outline:none;
      transition:border-color .15s ease, box-shadow .15s ease, transform .15s ease;
    }
    textarea{
      resize:vertical;
      min-height:92px;
      max-height:220px;
    }
    input:focus, textarea:focus{
      border-color:rgba(14,165,233,.38);
      box-shadow:0 0 0 4px rgba(14,165,233,.12);
    }
    .row2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .hint{
      margin:0;
      color:var(--muted);
      font-size:12.5px;
      line-height:1.6;
    }
    .form-actions{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
      margin-top:4px;
    }
    .status{
      font-size:12.5px;
      color:var(--muted);
      line-height:1.6;
      margin:0;
      flex:1 1 auto;
      min-width:180px;
    }
    .status strong{color:#0f172a}
    .sr-only{
      position:absolute;
      width:1px;height:1px;
      padding:0;margin:-1px;
      overflow:hidden;
      clip:rect(0,0,0,0);
      border:0;
      white-space:nowrap;
    }
    footer{
      border-top:1px solid rgba(17,24,39,.08);
      background:rgba(255,255,255,.66);
      backdrop-filter: blur(6px);
    }
    .footer-inner{
      padding:16px 0 20px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
    }
    .foot-left{
      display:flex;
      flex-direction:column;
      gap:8px;
      min-width:240px;
    }
    .foot-title{
      font-weight:1000;
      letter-spacing:-.2px;
      color:#0f172a;
      font-size:14px;
    }
    .foot-note{
      margin:0;
      color:var(--muted);
      font-size:12.5px;
      line-height:1.7;
      max-width:60ch;
    }
    .foot-links{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
      justify-content:flex-end;
    }
    .pill{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.78);
      color:#334155;
      font-size:12.5px;
      font-weight:850;
      text-decoration:none;
      transition:transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .pill:hover{
      transform:translateY(-1px);
      border-color:rgba(14,165,233,.28);
      background:#fff;
    }

    @media (max-width: 900px){
      .hero-grid{grid-template-columns: 1fr; }
      h1{font-size:30px}
      .grid2{grid-template-columns: 1fr}
      .form-wrap{grid-template-columns: 1fr}
      .topbar-inner{padding:12px 0}
      .brand span{display:none}
    }