:root{
      --bg0:#fff7f0;
      --bg1:#fff2e2;
      --card:#ffffff;
      --text:#1f2328;
      --muted:#5a616b;
      --subtle:#7a828f;
      --line:rgba(31,35,40,.10);
      --shadow:0 18px 55px rgba(30,17,8,.08);
      --shadow2:0 10px 28px rgba(30,17,8,.10);
      --brand1:#ff6a2b;
      --brand2:#ff9a3c;
      --brand3:#c24b22;
      --accent:#d4551f;
      --link:#0b63ce;
      --btn:#151a21;
      --btnText:#ffffff;
      --focus:rgba(255,106,43,.32);
      --radius:18px;
      --radius2:14px;
      --container:1120px;
    }
    *{box-sizing:border-box}
    html,body{height:100%}
    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 450px at 15% -10%, rgba(255,154,60,.22), transparent 55%),
        radial-gradient(850px 420px at 85% 0%, rgba(255,106,43,.18), transparent 55%),
        linear-gradient(180deg, var(--bg0) 0%, var(--bg1) 55%, #ffffff 100%);
    }
    a{color:inherit}
    .skip{
      position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;
    }
    .skip:focus{
      left:16px;top:16px;width:auto;height:auto;padding:10px 12px;background:#111; color:#fff;border-radius:10px;z-index:9999;
    }

    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }

    header.site-header{
      position:sticky; top:0; z-index:40;
      background:rgba(255,247,240,.72);
      backdrop-filter: blur(10px);
      border-bottom:1px solid rgba(31,35,40,.08);
    }
    .nav-wrap{
      display:flex; align-items:center; justify-content:space-between;
      padding:12px 0;
      gap:14px;
    }
    .brand{
      display:flex; align-items:center; gap:10px; min-width:92px;
      text-decoration:none;
      user-select:none;
    }
    .logo-mark{
      width:40px;height:40px;border-radius:12px;
      background:linear-gradient(135deg, var(--brand1), var(--brand2));
      color:#fff;
      display:grid; place-items:center;
      box-shadow:0 14px 30px rgba(255,106,43,.22);
      font-weight:900;
      letter-spacing:.5px;
      font-size:18px;
    }
    .brand-text{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand-text strong{font-size:14px}
    .brand-text span{font-size:12px; color:var(--muted)}
    nav.primary-nav{
      display:flex; align-items:center; gap:18px; flex-wrap:wrap; justify-content:flex-end;
    }
    .nav-link{
      text-decoration:none;
      font-size:14px;
      color:rgba(31,35,40,.86);
      padding:8px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition: background .2s ease, border-color .2s ease, transform .2s ease;
      white-space:nowrap;
    }
    .nav-link:hover{
      background:rgba(255,255,255,.7);
      border-color:rgba(31,35,40,.10);
      transform:translateY(-1px);
    }

    .cta-row{display:flex; align-items:center; gap:10px; justify-content:flex-end; flex-wrap:wrap;}
    .btn{
      border:0;
      cursor:pointer;
      border-radius:14px;
      padding:10px 14px;
      font-weight:700;
      font-size:14px;
      transition: transform .15s ease, box-shadow .2s ease, background .2s ease, opacity .2s ease;
      text-decoration:none; display:inline-flex; align-items:center; gap:10px;
      user-select:none;
    }
    .btn:focus{outline:3px solid var(--focus); outline-offset:2px}
    .btn-primary{
      background:linear-gradient(135deg, var(--btn), #0b111a);
      color:var(--btnText);
      box-shadow:0 16px 35px rgba(14,18,24,.14);
    }
    .btn-primary:hover{transform:translateY(-1px); box-shadow:0 20px 45px rgba(14,18,24,.18)}
    .btn-ghost{
      background:rgba(255,255,255,.72);
      color:rgba(31,35,40,.92);
      border:1px solid rgba(31,35,40,.10);
    }
    .btn-ghost:hover{transform:translateY(-1px); background:rgba(255,255,255,.9)}
    .hamburger{
      display:none;
      width:44px; height:44px;
      border-radius:14px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(31,35,40,.10);
      cursor:pointer;
      align-items:center; justify-content:center;
      transition: transform .15s ease, background .2s ease;
    }
    .hamburger:hover{transform:translateY(-1px); background:rgba(255,255,255,.9)}
    .hamburger svg{display:block}

    .mobile-menu{
      display:none;
      padding:10px 0 16px;
    }
    .mobile-menu .menu-panel{
      background:rgba(255,255,255,.84);
      border:1px solid rgba(31,35,40,.10);
      border-radius:16px;
      padding:10px;
      box-shadow:var(--shadow2);
    }
    .mobile-menu .menu-grid{
      display:grid; grid-template-columns:1fr 1fr;
      gap:8px;
    }
    .mobile-menu .menu-grid a{
      display:flex; align-items:center; justify-content:center;
      padding:10px 10px;
      border-radius:14px;
      text-decoration:none;
      font-size:14px;
      border:1px solid rgba(31,35,40,.08);
      background:rgba(255,255,255,.8);
      color:rgba(31,35,40,.9);
      transition: transform .15s ease, background .2s ease;
      white-space:nowrap;
    }
    .mobile-menu .menu-grid a:hover{transform:translateY(-1px); background:#fff}
    .mobile-menu .menu-actions{display:flex; gap:10px; margin-top:10px; flex-wrap:wrap}
    .mobile-menu .menu-actions .btn{flex:1; justify-content:center; min-width:160px}

    main{padding:18px 0 10px}
    .hero{
      padding:22px 0 14px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-card{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(31,35,40,.10);
      border-radius:24px;
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero-card::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(520px 220px at 18% 10%, rgba(255,154,60,.35), transparent 55%),
        radial-gradient(520px 240px at 82% 0%, rgba(255,106,43,.26), transparent 52%),
        linear-gradient(180deg, rgba(255,255,255,.55), rgba(255,255,255,.82));
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      padding:22px 20px;
      display:flex; flex-direction:column; gap:14px;
    }
    .kicker{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(31,35,40,.10);
      background:rgba(255,255,255,.75);
      font-size:13px;
      color:rgba(31,35,40,.88);
    }
    .pill .dot{
      width:10px; height:10px; border-radius:50%;
      background:linear-gradient(135deg, var(--brand1), var(--brand2));
      box-shadow:0 10px 22px rgba(255,106,43,.25);
    }

    .hero h1{
      margin:0;
      font-size:34px;
      line-height:1.12;
      letter-spacing:-.4px;
    }
    .hero-lead{
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.7;
      max-width:66ch;
    }

    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap; align-items:center;
      margin-top:2px;
    }
    .small-note{
      color:rgba(31,35,40,.70);
      font-size:12.5px;
      line-height:1.5;
      display:flex; align-items:flex-start; gap:10px;
      max-width:54ch;
    }
    .small-note svg{flex:0 0 auto; margin-top:2px}

    .hero-aside{
      background:rgba(255,255,255,.78);
      border:1px solid rgba(31,35,40,.10);
      border-radius:24px;
      box-shadow:var(--shadow2);
      overflow:hidden;
    }
    .aside-inner{
      padding:18px;
      display:flex; flex-direction:column; gap:12px;
    }
    .aside-title{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .aside-title h2{
      margin:0;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .badge{
      display:inline-flex; align-items:center;
      padding:8px 10px;
      border-radius:999px;
      background:rgba(255,106,43,.10);
      border:1px solid rgba(255,106,43,.25);
      color:rgba(194,75,34,.95);
      font-size:13px;
      font-weight:800;
      white-space:nowrap;
    }
    .steps-list{
      margin:0; padding:0; list-style:none;
      display:grid; gap:10px;
    }
    .step-item{
      display:flex; gap:12px; align-items:flex-start;
      border:1px solid rgba(31,35,40,.08);
      background:rgba(255,255,255,.76);
      border-radius:16px;
      padding:12px 12px;
      transition: transform .18s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .step-item:hover{
      transform:translateY(-2px);
      border-color:rgba(255,106,43,.22);
      box-shadow:0 16px 35px rgba(255,106,43,.12);
    }
    .step-no{
      width:32px; height:32px; border-radius:12px;
      background:linear-gradient(135deg, rgba(255,106,43,.18), rgba(255,154,60,.18));
      border:1px solid rgba(255,106,43,.25);
      color:rgba(194,75,34,.95);
      display:grid; place-items:center;
      font-weight:900;
      font-size:13px;
      flex:0 0 auto;
    }
    .step-main strong{
      display:block; font-size:14px; margin-bottom:3px;
    }
    .step-main span{
      display:block; font-size:13px; color:var(--muted); line-height:1.5;
    }

    .section{
      padding:18px 0;
    }
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px; flex-wrap:wrap;
      margin-bottom:12px;
    }
    .section-head h2{
      margin:0;
      font-size:20px;
      letter-spacing:-.25px;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.6;
      max-width:60ch;
    }

    .grid-2{
      display:grid; grid-template-columns:1fr 1fr; gap:14px;
    }
    .card{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(31,35,40,.10);
      border-radius:20px;
      box-shadow:0 10px 24px rgba(30,17,8,.06);
      padding:16px;
      transition: transform .2s ease, box-shadow .25s ease, border-color .25s ease;
    }
    .card:hover{
      transform:translateY(-3px);
      border-color:rgba(255,106,43,.22);
      box-shadow:0 18px 45px rgba(30,17,8,.10);
    }
    .card h3{
      margin:0 0 8px 0;
      font-size:15.5px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:13.8px;
      line-height:1.75;
    }
    .card ul{
      margin:10px 0 0 0; padding:0;
      list-style:none;
      display:grid; gap:8px;
    }
    .card li{
      display:flex; gap:10px; align-items:flex-start;
      color:rgba(31,35,40,.90);
      font-size:13.5px;
      line-height:1.55;
    }
    .tick{
      width:18px; height:18px; border-radius:6px;
      background:rgba(255,106,43,.12);
      border:1px solid rgba(255,106,43,.25);
      display:grid; place-items:center;
      flex:0 0 auto;
      margin-top:1px;
    }

    .toc{
      background:rgba(255,255,255,.82);
      border:1px solid rgba(31,35,40,.10);
      border-radius:22px;
      padding:14px;
    }
    .toc-grid{
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      margin-bottom:10px;
    }
    .toc-title{
      display:flex; align-items:center; gap:10px;
    }
    .toc-title h2{margin:0;font-size:16px}
    .toc-title .spark{
      width:34px;height:34px;border-radius:12px;
      background:linear-gradient(135deg, rgba(255,106,43,.18), rgba(255,154,60,.18));
      border:1px solid rgba(255,106,43,.22);
      display:grid; place-items:center;
    }
    .toc .small{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
      max-width:62ch;
    }
    .anchor-grid{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .anchor{
      text-decoration:none;
      border-radius:999px;
      padding:10px 12px;
      border:1px solid rgba(31,35,40,.10);
      background:rgba(255,255,255,.75);
      font-size:13.5px;
      color:rgba(31,35,40,.92);
      transition: transform .15s ease, background .2s ease, border-color .2s ease;
      display:inline-flex; align-items:center; gap:10px;
      white-space:nowrap;
    }
    .anchor:hover{
      transform:translateY(-2px);
      background:#fff;
      border-color:rgba(255,106,43,.22);
    }
    .anchor .arr{
      width:22px;height:22px;border-radius:9px;
      border:1px solid rgba(255,106,43,.25);
      background:rgba(255,106,43,.10);
      display:grid; place-items:center;
      font-weight:900;
      color:rgba(194,75,34,.95);
    }

    .procedure{
      display:grid;
      grid-template-columns: 1fr;
      gap:14px;
    }
    .proc-grid{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    .mini-card{
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.86);
      border:1px solid rgba(31,35,40,.10);
      box-shadow:0 10px 24px rgba(30,17,8,.06);
      transition: transform .2s ease, border-color .25s ease, box-shadow .25s ease;
    }
    .mini-card:hover{
      transform:translateY(-2px);
      border-color:rgba(255,106,43,.22);
      box-shadow:0 18px 45px rgba(30,17,8,.10);
    }
    .mini-card .tag{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px; border-radius:999px;
      background:rgba(255,106,43,.10);
      border:1px solid rgba(255,106,43,.22);
      color:rgba(194,75,34,.95);
      font-weight:900; font-size:13px;
    }
    .mini-card h3{margin:10px 0 6px; font-size:15.5px}
    .mini-card p{margin:0; color:var(--muted); font-size:13.8px; line-height:1.75}

    .quote{
      margin:2px 0 0;
      padding:14px 14px;
      border-radius:20px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.78));
      border:1px solid rgba(31,35,40,.10);
    }
    .quote .qtop{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px; flex-wrap:wrap;
      margin-bottom:8px;
    }
    .quote .qtitle{
      display:flex; align-items:center; gap:10px;
    }
    .quote .mark{
      width:36px;height:36px;border-radius:14px;
      background:linear-gradient(135deg, rgba(255,106,43,.18), rgba(255,154,60,.18));
      border:1px solid rgba(255,106,43,.22);
      display:grid; place-items:center;
      flex:0 0 auto;
    }
    .quote h3{margin:0; font-size:16px}
    .quote p{margin:6px 0 0; color:var(--muted); font-size:13.8px; line-height:1.75}

    .faq{
      background:rgba(255,255,255,.82);
      border:1px solid rgba(31,35,40,.10);
      border-radius:24px;
      overflow:hidden;
    }
    .faq-inner{padding:14px}
    .faq-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:12px; flex-wrap:wrap;
      padding:6px 4px 12px;
    }
    .faq-head h2{margin:0; font-size:20px}
    .faq-head p{margin:0;color:var(--muted); font-size:14px; line-height:1.6; max-width:62ch}
    .faq-list{margin:0; padding:0; list-style:none; display:grid; gap:10px}
    details.faq-item{
      background:rgba(255,255,255,.80);
      border:1px solid rgba(31,35,40,.10);
      border-radius:18px;
      padding:12px 12px;
      transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
    }
    details.faq-item[open]{
      border-color:rgba(255,106,43,.25);
      box-shadow:0 18px 45px rgba(30,17,8,.10);
      transform:translateY(-2px);
    }
    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}
    .faq-q{
      font-weight:900;
      font-size:14.5px;
      line-height:1.45;
    }
    .faq-chevron{
      width:34px;height:34px;border-radius:14px;
      border:1px solid rgba(31,35,40,.10);
      background:rgba(255,255,255,.75);
      display:grid; place-items:center;
      flex:0 0 auto;
      transition: transform .2s ease, border-color .2s ease;
      margin-top:-2px;
    }
    details[open] .faq-chevron{transform:rotate(180deg); border-color:rgba(255,106,43,.25)}
    .faq-a{
      margin-top:10px;
      color:var(--muted);
      font-size:13.8px;
      line-height:1.8;
    }
    .faq-a .emph{color:rgba(194,75,34,.95); font-weight:900}

    .conclusion{
      background:rgba(255,255,255,.84);
      border:1px solid rgba(31,35,40,.10);
      border-radius:24px;
      padding:16px;
      display:grid;
      grid-template-columns: 1fr;
      gap:12px;
      box-shadow:0 10px 24px rgba(30,17,8,.06);
    }
    .conclusion-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px; flex-wrap:wrap;
    }
    .conclusion h2{margin:0; font-size:18px}
    .conclusion p{margin:0; color:var(--muted); font-size:14px; line-height:1.8; max-width:75ch}
    .inline-links{
      display:flex; gap:10px; flex-wrap:wrap;
      align-items:center;
      margin-top:2px;
    }
    .link-chip{
      text-decoration:none;
      border-radius:999px;
      padding:10px 12px;
      border:1px solid rgba(31,35,40,.10);
      background:rgba(255,255,255,.75);
      color:rgba(31,35,40,.92);
      font-size:13.5px;
      transition: transform .15s ease, border-color .2s ease, background .2s ease;
      display:inline-flex; align-items:center; gap:10px;
      white-space:nowrap;
    }
    .link-chip:hover{transform:translateY(-2px); border-color:rgba(255,106,43,.22); background:#fff}
    .link-chip .dot{
      width:10px;height:10px;border-radius:50%;
      background:linear-gradient(135deg, var(--brand1), var(--brand2));
    }

    footer{
      margin-top:6px;
      background:linear-gradient(180deg, rgba(21,26,33,.96) 0%, rgba(12,16,21,.98) 100%);
      color:#f3f4f6;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-inner{
      padding:18px 0 14px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:14px;
      align-items:start;
    }
    .footer-brand{
      display:flex; align-items:flex-start; gap:12px;
    }
    .footer-logo{
      width:44px;height:44px;border-radius:16px;
      background:linear-gradient(135deg, var(--brand1), var(--brand2));
      display:grid; place-items:center;
      font-weight:900;
      box-shadow:0 18px 45px rgba(255,106,43,.22);
    }
    .footer-brand h2{
      margin:0;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .footer-brand p{
      margin:6px 0 0;
      color:rgba(243,244,246,.78);
      font-size:13.8px;
      line-height:1.75;
    }
    .footer-box{
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.10);
      border-radius:20px;
      padding:14px;
    }
    .footer-box h3{
      margin:0 0 10px;
      font-size:14.5px;
      letter-spacing:-.1px;
    }
    .footer-list{
      margin:0; padding:0; list-style:none;
      display:grid; gap:8px;
      color:rgba(243,244,246,.86);
      font-size:13.5px;
    }
    .footer-list a{
      color:#ffd2bf;
      text-decoration:none;
      border-bottom:1px dashed rgba(255,210,191,.35);
      padding-bottom:2px;
    }
    .footer-list a:hover{color:#fff; border-bottom-color:rgba(255,255,255,.65)}
    .footer-bottom{
      display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap;
      padding:12px 0 0;
      border-top:1px solid rgba(255,255,255,.10);
      margin-top:14px;
      color:rgba(243,244,246,.78);
      font-size:12.5px;
    }
    .backtop{
      border-radius:999px;
      padding:10px 12px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.06);
      color:#fff;
      text-decoration:none;
      transition: transform .15s ease, background .2s ease;
      display:inline-flex; align-items:center; gap:10px;
    }
    .backtop:hover{transform:translateY(-2px); background:rgba(255,255,255,.10)}
    .fade-in{
      opacity:0;
      transform:translateY(10px);
      animation: fadeUp .6s ease forwards;
    }
    @keyframes fadeUp{
      to{opacity:1; transform:translateY(0)}
    }
    @media (prefers-reduced-motion: reduce){
      .fade-in{animation:none; opacity:1; transform:none}
      *{scroll-behavior:auto !important}
      details[open]{transform:none}
      .card:hover, .mini-card:hover, .step-item:hover{transform:none}
      .btn-primary:hover, .btn-ghost:hover, .anchor:hover, .link-chip:hover, .backtop:hover{transform:none}
    }

    @media (max-width: 900px){
      .hero-grid{grid-template-columns:1fr; gap:14px}
      .proc-grid{grid-template-columns:1fr}
      .grid-2{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      nav.primary-nav{display:none}
      .cta-row{display:none}
      .hamburger{display:flex}
      .mobile-menu{display:block}
      .mobile-menu[aria-hidden="true"]{display:none}
    }