:root{
      --bg0:#f6f4ef;
      --bg1:#ffffff;
      --text:#1f2430;
      --muted:#5a6374;
      --line:rgba(31,36,48,.12);
      --card:#ffffff;
      --shadow: 0 12px 30px rgba(20,25,35,.08);
      --shadow2: 0 10px 22px rgba(20,25,35,.10);
      --accent:#2b6cff;
      --accent2:#0f6f5a;
      --chip:#eef2ff;
      --chip2:#e9f7f3;
      --radius:18px;
    }
    *{box-sizing:border-box}
    html,body{height:100%}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
        Roboto, Helvetica, Arial, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 600px at 20% 0%, rgba(43,108,255,.10), transparent 55%),
        radial-gradient(900px 460px at 90% 12%, rgba(15,111,90,.10), transparent 55%),
        linear-gradient(180deg, var(--bg0) 0%, var(--bg1) 42%, #fff 100%);
    }
    a{color:inherit}
    .skip-link{
      position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip-link:focus{
      left:14px; top:14px; width:auto; height:auto; padding:10px 12px;
      background:#0b1220; color:#fff; border-radius:12px; z-index:9999;
    }
    .container{
      width:min(1120px, calc(100% - 32px));
      margin:0 auto;
    }

    header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(140%) blur(10px);
      background:rgba(246,244,239,.70);
      border-bottom:1px solid rgba(31,36,48,.08);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px 0;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width:72px;
    }
    .logo{
      width:44px; height:44px; border-radius:14px;
      background: linear-gradient(145deg, rgba(31,36,48,.92), rgba(31,36,48,.74));
      box-shadow: 0 10px 22px rgba(10,14,20,.14);
      display:flex; align-items:center; justify-content:center;
      color:#fff; font-weight:800; letter-spacing:.5px;
    }
    .brand-title{
      display:flex; flex-direction:column; line-height:1.05;
    }
    .brand-title strong{
      font-size:14px;
      letter-spacing:.2px;
    }
    .brand-title span{
      font-size:12px;
      color:var(--muted);
      margin-top:3px;
    }

    .nav-right{
      display:flex; align-items:center; gap:10px;
    }
    .nav-links{
      display:flex; align-items:center; gap:6px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      text-decoration:none;
      font-size:13px;
      color:rgba(31,36,48,.88);
      padding:8px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition: transform .15s ease, background-color .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background:rgba(255,255,255,.75);
      border-color:rgba(31,36,48,.12);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex; align-items:center; gap:10px;
    }
    .btn{
      appearance:none;
      border:1px solid rgba(31,36,48,.14);
      background:rgba(255,255,255,.72);
      color:var(--text);
      padding:10px 12px;
      border-radius:14px;
      font-size:13px;
      text-decoration:none;
      display:inline-flex; align-items:center; gap:10px;
      transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease, border-color .15s ease;
      box-shadow: 0 10px 22px rgba(20,25,35,.06);
      white-space:nowrap;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 14px 30px rgba(20,25,35,.10);
      border-color: rgba(31,36,48,.22);
      background:#fff;
    }
    .btn-primary{
      background: linear-gradient(180deg, rgba(43,108,255,1), rgba(35,89,205,1));
      color:#fff;
      border-color: transparent;
      box-shadow: 0 16px 34px rgba(43,108,255,.22);
    }
    .btn-primary:hover{
      background: linear-gradient(180deg, rgba(53,121,255,1), rgba(35,89,205,1));
      box-shadow: 0 20px 44px rgba(43,108,255,.26);
      border-color: transparent;
    }
    .btn-icon{
      width:28px; height:28px; border-radius:10px;
      background: rgba(255,255,255,.18);
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(255,255,255,.26);
    }
    .btn-primary .btn-icon{
      background: rgba(255,255,255,.18);
      border-color: rgba(255,255,255,.26);
    }
    .hamburger{
      display:none;
      width:44px; height:44px; border-radius:14px;
      border:1px solid rgba(31,36,48,.14);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 22px rgba(20,25,35,.06);
      align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .15s ease, background-color .15s ease;
    }
    .hamburger:hover{transform: translateY(-1px); background:#fff;}
    .hamburger .bars{
      width:18px; height:14px; position:relative;
    }
    .hamburger .bars span{
      position:absolute; left:0; right:0;
      height:2px; border-radius:2px;
      background: rgba(31,36,48,.92);
      transition: transform .18s ease, top .18s ease, opacity .18s ease;
    }
    .hamburger .bars span:nth-child(1){top:1px}
    .hamburger .bars span:nth-child(2){top:6px}
    .hamburger .bars span:nth-child(3){top:11px}
    .hamburger.is-open .bars span:nth-child(1){top:6px; transform: rotate(45deg)}
    .hamburger.is-open .bars span:nth-child(2){opacity:0}
    .hamburger.is-open .bars span:nth-child(3){top:6px; transform: rotate(-45deg)}

    .mobile-panel{
      display:none;
      padding:10px 0 14px 0;
    }
    .mobile-panel .mobile-links{
      display:flex; flex-direction:column; gap:8px;
      padding-bottom:4px;
    }
    .mobile-panel a{
      text-decoration:none;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(31,36,48,.10);
      background: rgba(255,255,255,.74);
      font-size:14px;
      transition: transform .15s ease, background-color .15s ease;
    }
    .mobile-panel a:hover{transform: translateY(-1px); background:#fff;}

    main{padding:22px 0 26px 0;}
    .hero{
      padding:22px 0 10px 0;
    }
    .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,.78), rgba(255,255,255,.55));
      border:1px solid rgba(31,36,48,.10);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding:18px;
      position:relative;
      overflow:hidden;
      transform: translateY(6px);
      opacity:0;
      animation: heroIn .55s ease forwards;
    }
    @keyframes heroIn{
      to{transform: translateY(0); opacity:1;}
    }
    .hero-card::before{
      content:"";
      position:absolute;
      inset:-2px -2px auto -2px;
      height:120px;
      background:
        radial-gradient(500px 110px at 10% 20%, rgba(43,108,255,.22), transparent 60%),
        radial-gradient(480px 100px at 80% 10%, rgba(15,111,90,.20), transparent 58%);
      pointer-events:none;
      filter: blur(0px);
    }
    .kicker{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
      margin-bottom:10px;
      position:relative;
      z-index:2;
    }
    .pill{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(31,36,48,.12);
      background: rgba(255,255,255,.70);
      font-size:12px;
      color:rgba(31,36,48,.86);
    }
    .pill.p1{background: var(--chip); border-color: rgba(43,108,255,.22)}
    .pill.p2{background: var(--chip2); border-color: rgba(15,111,90,.18)}
    h1{
      position:relative;
      z-index:2;
      font-size: clamp(22px, 3.2vw, 34px);
      letter-spacing: -0.6px;
      line-height:1.15;
      margin: 6px 0 10px 0;
    }
    .lead{
      position:relative;
      z-index:2;
      color:var(--muted);
      line-height:1.7;
      font-size:14.5px;
      margin:0;
      max-width:64ch;
    }

    .hero-actions{
      position:relative; z-index:2;
      display:flex; gap:10px; flex-wrap:wrap;
      margin-top:14px;
      align-items:center;
    }
    .meta-line{
      margin-left:auto;
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
    }
    .status{
      display:flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(31,36,48,.10);
      background: rgba(255,255,255,.62);
      box-shadow: 0 10px 22px rgba(20,25,35,.06);
    }
    .dot{
      width:10px; height:10px; border-radius:999px;
      background: #21b27a;
      box-shadow: 0 0 0 6px rgba(33,178,122,.12);
      flex:0 0 auto;
      animation: pulse 1.8s ease-in-out infinite;
    }
    @keyframes pulse{
      0%,100%{transform: scale(1); opacity:1}
      50%{transform: scale(1.05); opacity:.85}
    }
    .status strong{font-size:13px}
    .status span{font-size:12px; color:var(--muted); margin-top:2px; display:block}

    .side-card{
      background: rgba(255,255,255,.65);
      border:1px solid rgba(31,36,48,.10);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding:16px;
      display:flex;
      flex-direction:column;
      gap:12px;
      position:relative;
      overflow:hidden;
      transform: translateY(10px);
      opacity:0;
      animation: sideIn .6s ease .1s forwards;
    }
    @keyframes sideIn{
      to{transform: translateY(0); opacity:1;}
    }
    .side-card::after{
      content:"";
      position:absolute;
      width:260px; height:260px;
      right:-120px; top:-140px;
      background: radial-gradient(circle at 30% 30%, rgba(43,108,255,.20), rgba(43,108,255,0) 60%);
      pointer-events:none;
    }
    .side-title{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px; position:relative; z-index:1;
    }
    .side-title h2{
      margin:0;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .badge{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(31,36,48,.12);
      background: rgba(255,255,255,.70);
      color:rgba(31,36,48,.88);
      font-size:12px;
      white-space:nowrap;
    }
    .badge i{
      width:18px; height:18px; border-radius:8px;
      display:inline-flex; align-items:center; justify-content:center;
      background: rgba(43,108,255,.12);
      color: #1d4ed8;
      font-style:normal;
      font-weight:800;
      border:1px solid rgba(43,108,255,.18);
    }
    .side-list{
      position:relative; z-index:1;
      display:grid; gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .side-item{
      display:flex; gap:10px; align-items:flex-start;
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(31,36,48,.10);
      background: rgba(255,255,255,.62);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background-color .18s ease;
    }
    .side-item:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow2);
      border-color: rgba(31,36,48,.18);
      background:#fff;
    }
    .ico{
      width:34px; height:34px; border-radius:14px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(15,111,90,.12);
      border:1px solid rgba(15,111,90,.18);
      color: var(--accent2);
      flex:0 0 auto;
      font-weight:900;
      letter-spacing:-.5px;
    }
    .side-item strong{font-size:13.5px}
    .side-item span{display:block; margin-top:4px; color:var(--muted); font-size:12.5px; line-height:1.5}

    .section{
      padding: 14px 0;
    }

    .anchor-card{
      background: rgba(255,255,255,.62);
      border:1px solid rgba(31,36,48,.10);
      border-radius: var(--radius);
      box-shadow: 0 10px 22px rgba(20,25,35,.06);
      padding:14px;
    }
    .anchor-head{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .anchor-head h2{
      margin:0;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .anchor-note{
      color:var(--muted);
      font-size:12px;
      white-space:nowrap;
    }
    .toc{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:10px;
    }
    .toc a{
      text-decoration:none;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(31,36,48,.10);
      background: rgba(255,255,255,.68);
      transition: transform .18s ease, border-color .18s ease, background-color .18s ease;
      min-height:54px;
    }
    .toc a:hover{
      transform: translateY(-2px);
      border-color: rgba(31,36,48,.18);
      background:#fff;
    }
    .toc a span{
      font-size:13px; color:rgba(31,36,48,.92);
      line-height:1.25;
    }
    .toc a em{
      font-style:normal;
      color: rgba(31,36,48,.55);
      font-size:12px;
      border:1px solid rgba(31,36,48,.12);
      background: rgba(31,36,48,.04);
      padding:6px 8px;
      border-radius:12px;
      white-space:nowrap;
    }

    .grid-2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:16px;
      align-items:start;
    }
    .card{
      background: rgba(255,255,255,.66);
      border:1px solid rgba(31,36,48,.10);
      border-radius: var(--radius);
      box-shadow: 0 10px 22px rgba(20,25,35,.06);
      padding:16px;
      overflow:hidden;
      position:relative;
    }
    .card h2{
      margin:0 0 10px 0;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      line-height:1.75;
      font-size:14px;
    }
    .list{
      margin:12px 0 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .li{
      display:flex; gap:10px; align-items:flex-start;
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(31,36,48,.10);
      background: rgba(255,255,255,.68);
    }
    .li b{
      width:26px; height:26px; border-radius:10px;
      display:inline-flex; align-items:center; justify-content:center;
      background: rgba(43,108,255,.12);
      border:1px solid rgba(43,108,255,.18);
      color:#1d4ed8;
      flex:0 0 auto;
      font-size:12.5px;
    }
    .li div strong{
      font-size:13.5px;
    }
    .li div span{
      display:block;
      margin-top:4px;
      color:var(--muted);
      font-size:12.8px;
      line-height:1.6;
    }

    .steps{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:16px;
      align-items:start;
    }
    .step-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .step{
      padding:14px;
      border-radius:18px;
      border:1px solid rgba(31,36,48,.10);
      background: rgba(255,255,255,.68);
      transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
    }
    .step:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow2);
      background:#fff;
      border-color: rgba(31,36,48,.18);
    }
    .step-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
      margin-bottom:6px;
    }
    .step-num{
      width:34px; height:34px; border-radius:14px;
      background: rgba(15,111,90,.12);
      border:1px solid rgba(15,111,90,.18);
      color: var(--accent2);
      font-weight:900;
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .step h3{
      margin:0;
      font-size:14.5px;
      letter-spacing:-.2px;
      flex:1;
    }
    .step p{
      margin:0;
      color:var(--muted);
      font-size:13.7px;
      line-height:1.7;
    }
    .side-tools{
      display:grid; gap:12px;
    }
    .note{
      padding:14px;
      border-radius:18px;
      border:1px solid rgba(31,36,48,.10);
      background:
        linear-gradient(180deg, rgba(43,108,255,.07), rgba(255,255,255,.65));
    }
    .note strong{font-size:14px}
    .note p{margin-top:6px}
    .cta-box{
      padding:14px;
      border-radius:18px;
      border:1px solid rgba(31,36,48,.10);
      background:
        radial-gradient(600px 200px at 10% 0%, rgba(43,108,255,.14), transparent 52%),
        linear-gradient(180deg, rgba(255,255,255,.70), rgba(255,255,255,.62));
    }
    .cta-row{
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .cta-row .btn{flex:1 1 auto; justify-content:center}
    .cta-row .btn-primary{flex: 1 1 220px}

    .faq{
      padding:18px 0 6px 0;
    }
    .faq-grid{
      display:grid;
      grid-template-columns: 1fr;
      gap:12px;
    }
    details.faq-item{
      background: rgba(255,255,255,.66);
      border:1px solid rgba(31,36,48,.10);
      border-radius: var(--radius);
      padding:14px 14px;
      box-shadow: 0 10px 22px rgba(20,25,35,.06);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background-color .18s ease;
    }
    details.faq-item:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow2);
      border-color: rgba(31,36,48,.18);
      background:#fff;
    }
    details.faq-item[open]{
      background:#fff;
      border-color: rgba(31,36,48,.22);
    }
    summary{
      cursor:pointer;
      list-style:none;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      user-select:none;
    }
    summary::-webkit-details-marker{display:none}
    .q{
      font-weight:800;
      font-size:14.5px;
      letter-spacing:-.2px;
    }
    .chev{
      width:34px; height:34px; border-radius:14px;
      border:1px solid rgba(31,36,48,.12);
      background: rgba(31,36,48,.04);
      flex:0 0 auto;
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s ease, background-color .18s ease;
      color: rgba(31,36,48,.72);
    }
    details[open] .chev{transform: rotate(180deg); background: rgba(43,108,255,.08)}
    .a{
      margin-top:10px;
      color:var(--muted);
      line-height:1.75;
      font-size:14px;
    }
    .summary-top{
      display:flex; flex-direction:column; gap:6px;
    }
    .tagline{
      font-size:12px;
      color:rgba(31,36,48,.60);
    }

    .conclusion{
      padding:14px 0 10px 0;
    }
    .concl-card{
      background: rgba(255,255,255,.66);
      border:1px solid rgba(31,36,48,.10);
      border-radius: var(--radius);
      box-shadow: 0 10px 22px rgba(20,25,35,.06);
      padding:16px;
      overflow:hidden;
      position:relative;
    }
    .concl-card::before{
      content:"";
      position:absolute;
      inset:-2px -2px auto -2px;
      height:120px;
      background:
        radial-gradient(500px 120px at 20% 10%, rgba(15,111,90,.14), transparent 60%),
        radial-gradient(520px 140px at 90% 0%, rgba(43,108,255,.16), transparent 58%);
      pointer-events:none;
    }
    .concl-inner{
      position:relative; z-index:1;
      display:flex;
      gap:14px;
      align-items:flex-start;
      justify-content:space-between;
      flex-wrap:wrap;
    }
    .concl-text{
      flex: 1 1 520px;
      min-width: 260px;
    }
    .concl-card h2{
      margin:0 0 8px 0;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .concl-card p{
      margin:0;
      color:var(--muted);
      line-height:1.75;
      font-size:14px;
    }
    .link-inline{
      margin-top:10px;
      display:flex; gap:10px; flex-wrap:wrap;
      align-items:center;
    }
    .link-inline a{
      text-decoration:none;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(31,36,48,.12);
      background: rgba(255,255,255,.65);
      transition: transform .18s ease, background-color .18s ease, border-color .18s ease;
      font-size:13px;
      color:rgba(31,36,48,.92);
    }
    .link-inline a:hover{
      transform: translateY(-2px);
      border-color: rgba(31,36,48,.20);
      background:#fff;
    }

    .img-block{
      padding: 10px 0 4px 0;
    }
    .img-card{
      background: rgba(255,255,255,.66);
      border:1px solid rgba(31,36,48,.10);
      border-radius: var(--radius);
      box-shadow: 0 10px 22px rgba(20,25,35,.06);
      padding:14px;
    }
    .img-head{
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      margin-bottom:10px;
    }
    .img-head h2{margin:0; font-size:15px; letter-spacing:-.2px}
    .img-head span{color:var(--muted); font-size:12.5px}
    .media{
      width:100%;
      border-radius:16px;
      overflow:hidden;
      border:1px solid rgba(31,36,48,.10);
      background:#fff;
    }
    .media img{
      width:100%;
      height:auto;
      display:block;
      object-fit:contain;
      opacity:0;
      transform: translateY(6px);
      animation: imgIn .55s ease forwards;
    }
    @keyframes imgIn{
      to{opacity:1; transform: translateY(0);}
    }

    footer{
      margin-top: 14px;
      background: #111827;
      color:#e5e7eb;
      border-top:1px solid rgba(255,255,255,.10);
    }
    .footer-wrap{
      padding:18px 0 16px 0;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:14px;
      align-items:start;
    }
    .footer-card{
      border:1px solid rgba(255,255,255,.12);
      background: rgba(17,24,39,.55);
      border-radius: var(--radius);
      padding:14px;
    }
    .footer-card h2{
      margin:0 0 10px 0;
      font-size:15px;
      letter-spacing:-.2px;
      color:#fff;
    }
    .footer-card p, .footer-card li{
      color: rgba(229,231,235,.88);
      line-height:1.7;
      font-size:13.5px;
      margin:0;
    }
    .kv{
      display:grid;
      grid-template-columns: 1fr;
      gap:8px;
    }
    .kv .row{
      display:flex; gap:10px; align-items:flex-start;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.04);
    }
    .kicon{
      width:30px; height:30px; border-radius:14px;
      border:1px solid rgba(255,255,255,.16);
      background: rgba(255,255,255,.06);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      color:#93c5fd;
      font-weight:900;
    }
    .kv .row strong{display:block; color:#fff; font-size:13.5px}
    .kv .row span{display:block; color: rgba(229,231,235,.86); font-size:12.8px; margin-top:3px}
    .footer-links{
      display:grid; gap:10px;
    }
    .maplink{
      display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap;
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
      text-decoration:none;
      transition: transform .18s ease, background-color .18s ease, border-color .18s ease;
    }
    .maplink:hover{
      transform: translateY(-2px);
      border-color: rgba(255,255,255,.20);
      background: rgba(255,255,255,.07);
    }
    .maplink strong{color:#fff; font-size:13.5px}
    .maplink span{color: rgba(229,231,235,.86); font-size:12.8px}
    .wechat-row{
      display:flex; gap:12px; align-items:center; flex-wrap:wrap;
    }
    .qrcode{
      width:82px; height:82px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.14);
      overflow:hidden;
      background:#fff;
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .qrcode img{
      width:100%; height:100%;
      object-fit:cover;
      display:block;
    }
    .footnote{
      padding-top:12px;
      display:flex; justify-content:space-between; gap:10px; flex-wrap:wrap;
      color: rgba(229,231,235,.72);
      font-size:12.5px;
    }
    .footnote a{color:#93c5fd; text-decoration:none}
    .footnote a:hover{text-decoration:underline}

    @media (max-width: 900px){
      .hero-grid{grid-template-columns: 1fr; }
      .meta-line{margin-left:0}
      .hero-card{padding:16px}
      .side-card{padding:14px}
      .toc{grid-template-columns: 1fr; }
      .grid-2{grid-template-columns: 1fr}
      .steps{grid-template-columns: 1fr}
      .footer-grid{grid-template-columns: 1fr}
      .nav-links{display:none}
      .nav-cta .btn{display:none}
      .hamburger{display:flex}
      .mobile-panel{display:block}
      .mobile-panel.is-open{display:block}
    }
    @media (prefers-reduced-motion: reduce){
      *{animation:none !important; transition:none !important; scroll-behavior:auto !important;}
      .dot{animation:none !important}
    }