:root{
      --bg:#f4f5f7;
      --surface:#ffffff;
      --text:#14161a;
      --muted:#5b616b;
      --muted2:#7a828f;
      --line:#e6e8ee;
      --brand:#0f3d2e;
      --brand2:#137a5b;
      --accent:#1f6feb;
      --chip:#f0f3f8;
      --shadow: 0 10px 30px rgba(16,24,40,.08);
      --shadow2: 0 6px 18px rgba(16,24,40,.08);
      --radius:16px;
      --radius2:12px;
      --focus: 0 0 0 4px rgba(31,111,235,.18);
      --container: 1120px;
    }
    *{box-sizing:border-box}
    html,body{height:100%}
    body{
      margin:0;
      font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans", sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 420px at 15% -10%, rgba(19,122,91,.18), transparent 55%),
        radial-gradient(840px 420px at 85% 0%, rgba(31,111,235,.12), transparent 55%),
        linear-gradient(#f8f9fb, #f4f5f7);
    }
    a{color:inherit}
    .container{
      width: min(var(--container), calc(100% - 32px));
      margin: 0 auto;
    }
    header{
      position: sticky;
      top: 0;
      z-index: 20;
      backdrop-filter: blur(10px);
      background: rgba(244,245,247,.72);
      border-bottom: 1px solid rgba(230,232,238,.75);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding: 12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      min-width: 180px;
    }
    .logo{
      width:40px;height:40px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(19,122,91,.18), rgba(31,111,235,.12));
      border:1px solid rgba(19,122,91,.22);
      display:grid;place-items:center;
      font-weight:800;
      letter-spacing:.02em;
    }
    .brand strong{
      font-size:14px;
      line-height:1.2;
      display:block;
    }
    .brand span{
      display:block;
      font-size:12px;
      color:var(--muted);
      margin-top:2px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width: 220px;
    }

    .nav-right{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:10px;
      flex-wrap:wrap;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:16px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      text-decoration:none;
      font-size:13px;
      color:var(--muted);
      padding:8px 10px;
      border-radius: 10px;
      transition: background .2s ease, color .2s ease, transform .2s ease;
    }
    .nav-links a:hover{
      background: rgba(20,22,26,.05);
      color: var(--text);
      transform: translateY(-1px);
    }
    .cta{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .btn{
      appearance:none;
      border:1px solid var(--line);
      background: var(--surface);
      color: var(--text);
      padding: 10px 14px;
      border-radius: 12px;
      font-weight: 650;
      font-size: 13px;
      text-decoration:none;
      display:inline-flex;
      align-items:center;
      gap:10px;
      box-shadow: 0 8px 20px rgba(16,24,40,.05);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
      cursor:pointer;
      white-space:nowrap;
    }
    .btn:hover{
      transform: translateY(-1px);
      border-color: rgba(31,111,235,.35);
      box-shadow: 0 12px 26px rgba(16,24,40,.10);
    }
    .btn-primary{
      border-color: rgba(19,122,91,.30);
      background: linear-gradient(180deg, rgba(19,122,91,.10), rgba(19,122,91,.04));
    }
    .btn-primary .dot{
      width:10px;height:10px;border-radius:50%;
      background: var(--brand2);
      box-shadow: 0 0 0 4px rgba(19,122,91,.14);
    }
    .menu-btn{
      display:none;
      border:1px solid var(--line);
      background: var(--surface);
      width:42px;height:42px;border-radius:12px;
      cursor:pointer;
      align-items:center;justify-content:center;
    }
    .menu-btn:focus{outline:none; box-shadow: var(--focus)}
    .menu-ico{
      width:18px;height:12px; position:relative;
    }
    .menu-ico span{
      position:absolute; left:0; right:0;
      height:2px; background: #2a2f37; border-radius:2px;
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .menu-ico span:nth-child(1){ top:0}
    .menu-ico span:nth-child(2){ top:5px}
    .menu-ico span:nth-child(3){ top:10px}

    .mobile-panel{
      display:none;
      border-top: 1px solid rgba(230,232,238,.8);
      padding: 10px 0 14px;
    }
    .mobile-panel .mobile-links{
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .mobile-panel a{
      text-decoration:none;
      font-size:14px;
      color: var(--text);
      padding: 12px 12px;
      border-radius: 12px;
      background: rgba(255,255,255,.6);
      border: 1px solid rgba(230,232,238,.9);
    }

    .hero{
      padding: 22px 0 18px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 16px;
      align-items:stretch;
    }
    .hero-card{
      border: 1px solid rgba(230,232,238,.9);
      border-radius: var(--radius);
      background:
        radial-gradient(900px 360px at 10% 0%, rgba(19,122,91,.14), transparent 55%),
        radial-gradient(700px 320px at 90% 10%, rgba(31,111,235,.10), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.76));
      box-shadow: var(--shadow2);
      overflow:hidden;
      position:relative;
    }
    .hero-card::after{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(500px 160px at 50% 0%, rgba(255,255,255,.7), transparent 60%),
        radial-gradient(420px 140px at 0% 40%, rgba(19,122,91,.10), transparent 62%),
        radial-gradient(420px 140px at 100% 50%, rgba(31,111,235,.08), transparent 62%);
      pointer-events:none;
      opacity:.9;
    }
    .hero-inner{
      position:relative;
      padding: 22px 22px 18px;
      display:flex;
      flex-direction:column;
      gap: 14px;
      height: 100%;
    }
    .kicker{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid rgba(230,232,238,.95);
      background: rgba(255,255,255,.65);
      font-size: 12px;
      color: var(--muted);
    }
    .badge i{
      width:18px;height:18px;border-radius:6px;
      background: rgba(19,122,91,.12);
      border:1px solid rgba(19,122,91,.18);
      display:inline-block;
      position:relative;
    }
    .badge i::after{
      content:"";
      position:absolute;
      left:5px; top:4px;
      width:7px; height:7px;
      border:2px solid rgba(19,122,91,.9);
      border-left:0; border-bottom:0;
      transform: rotate(45deg);
      opacity:.9;
    }

    h1{
      margin:0;
      font-size: 28px;
      line-height: 1.25;
      letter-spacing: -0.02em;
      max-width: 22ch;
    }
    .lead{
      color: var(--muted);
      margin: 0;
      line-height: 1.7;
      font-size: 14px;
      max-width: 62ch;
    }
    .hero-actions{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
      margin-top: 2px;
    }
    .btn-accent{
      border-color: rgba(31,111,235,.30);
      background: linear-gradient(180deg, rgba(31,111,235,.12), rgba(31,111,235,.06));
    }
    .btn-accent .arrow{
      width: 26px;height: 26px;border-radius: 10px;
      display:grid;place-items:center;
      border:1px solid rgba(31,111,235,.25);
      background: rgba(31,111,235,.08);
      color: var(--accent);
      transition: transform .18s ease;
    }
    .btn-accent:hover .arrow{transform: translateX(2px)}
    .fineprint{
      font-size: 12px;
      color: var(--muted2);
      margin-top: 2px;
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .fineprint .sep{
      width:1px;height:14px;background: rgba(230,232,238,.95);
    }

    .side-card{
      border: 1px solid rgba(230,232,238,.9);
      border-radius: var(--radius);
      background: rgba(255,255,255,.74);
      box-shadow: var(--shadow2);
      overflow:hidden;
    }
    .side-inner{
      padding: 18px;
      display:flex;
      flex-direction:column;
      gap: 12px;
      height: 100%;
    }
    .side-title{
      font-size: 14px;
      font-weight: 800;
      letter-spacing: .01em;
      margin:0;
    }
    .checklist{
      display:grid;
      grid-template-columns: 1fr;
      gap: 10px;
      margin-top: 2px;
    }
    .check{
      display:flex;
      gap: 10px;
      align-items:flex-start;
      padding: 12px 12px;
      border-radius: 14px;
      border: 1px solid rgba(230,232,238,.9);
      background: rgba(255,255,255,.65);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .check:hover{
      transform: translateY(-1px);
      border-color: rgba(19,122,91,.28);
      background: rgba(255,255,255,.78);
    }
    .check .ic{
      width: 30px;height: 30px;
      border-radius: 12px;
      background: rgba(19,122,91,.10);
      border: 1px solid rgba(19,122,91,.18);
      display:grid;place-items:center;
      flex: 0 0 auto;
      margin-top: 2px;
    }
    .check .ic svg{width:16px;height:16px; fill:none; stroke:#137a5b; stroke-width:2; stroke-linecap:round; stroke-linejoin:round;}
    .check strong{
      font-size: 13px;
      display:block;
      margin-bottom: 3px;
    }
    .check span{
      font-size: 12px;
      color: var(--muted);
      line-height: 1.5;
    }

    main{
      padding: 6px 0 20px;
    }
    .section{
      padding: 12px 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap: 12px;
      margin: 10px 0 12px;
    }
    .section-head h2{
      margin:0;
      font-size: 18px;
      letter-spacing: -0.01em;
    }
    .section-head p{
      margin:0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.6;
      max-width: 52ch;
    }

    .anchor-bar{
      border: 1px solid rgba(230,232,238,.95);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius);
      box-shadow: 0 8px 22px rgba(16,24,40,.05);
      padding: 12px;
    }
    .toc-grid{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      justify-content:flex-start;
    }
    .toc-grid a{
      text-decoration:none;
      font-size: 13px;
      color: var(--text);
      padding: 10px 12px;
      border-radius: 12px;
      border: 1px solid rgba(230,232,238,.95);
      background: rgba(255,255,255,.7);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .toc-grid a:hover{
      transform: translateY(-1px);
      border-color: rgba(31,111,235,.28);
      background: rgba(255,255,255,.88);
    }

    .grid-2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    .card{
      border: 1px solid rgba(230,232,238,.95);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius);
      box-shadow: 0 10px 26px rgba(16,24,40,.05);
      overflow:hidden;
    }
    .card-inner{padding: 16px}
    .card h3{
      margin:0;
      font-size: 15px;
      letter-spacing: -0.01em;
    }
    .card p{
      margin:8px 0 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }

    .steps{
      margin-top: 10px;
      display:grid;
      grid-template-columns: 1fr;
      gap: 10px;
    }
    .step{
      display:flex;
      gap: 12px;
      padding: 14px 14px;
      border-radius: 16px;
      border: 1px solid rgba(230,232,238,.95);
      background: rgba(255,255,255,.72);
      transition: transform .18s ease, border-color .18s ease;
    }
    .step:hover{
      transform: translateY(-1px);
      border-color: rgba(19,122,91,.30);
    }
    .num{
      width: 34px;height: 34px;border-radius: 14px;
      border: 1px solid rgba(230,232,238,.95);
      display:grid;place-items:center;
      font-weight: 800;
      background: rgba(240,243,248,.85);
      flex: 0 0 auto;
    }
    .step strong{
      display:block;
      font-size: 13px;
      margin-top: 1px;
    }
    .step span{
      display:block;
      color: var(--muted);
      font-size: 12.5px;
      line-height: 1.65;
      margin-top: 4px;
    }

    .case{
      display:grid;
      grid-template-columns: 1fr;
      gap: 12px;
      margin-top: 8px;
    }
    .case-row{
      display:flex;
      gap: 12px;
      align-items:flex-start;
      padding: 14px;
      border-radius: 16px;
      border: 1px solid rgba(230,232,238,.95);
      background: rgba(255,255,255,.72);
    }
    .case-row .tag{
      flex: 0 0 auto;
      padding: 8px 10px;
      border-radius: 999px;
      background: rgba(31,111,235,.08);
      border: 1px solid rgba(31,111,235,.18);
      color: #0c3b74;
      font-size: 12px;
      font-weight: 700;
      white-space:nowrap;
      margin-top: 2px;
    }
    .case-row strong{
      display:block;
      font-size: 13.5px;
    }
    .case-row p{
      margin: 6px 0 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.65;
    }

    .faq{
      display:grid;
      grid-template-columns: 1fr;
      gap: 10px;
    }
    details{
      border: 1px solid rgba(230,232,238,.95);
      background: rgba(255,255,255,.78);
      border-radius: 16px;
      overflow:hidden;
      transition: border-color .18s ease;
    }
    details[open]{border-color: rgba(31,111,235,.25)}
    summary{
      cursor:pointer;
      list-style:none;
      padding: 14px 14px;
      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: 13.5px;
      line-height:1.4;
    }
    .chev{
      width: 34px;height: 34px;border-radius: 14px;
      border: 1px solid rgba(230,232,238,.95);
      background: rgba(240,243,248,.85);
      display:grid;place-items:center;
      flex: 0 0 auto;
      margin-top: -2px;
      transition: transform .2s ease;
    }
    details[open] .chev{transform: rotate(180deg)}
    .chev svg{width:16px;height:16px; fill:none; stroke:#3b4453; stroke-width:2; stroke-linecap:round; stroke-linejoin:round;}
    .a{
      padding: 0 14px 14px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.75;
    }
    .summary-link{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
      margin-top: 10px;
    }
    .link-chip{
      text-decoration:none;
      font-size: 13px;
      color: var(--text);
      padding: 10px 12px;
      border-radius: 12px;
      border: 1px solid rgba(230,232,238,.95);
      background: rgba(255,255,255,.72);
      transition: transform .18s ease, border-color .18s ease;
    }
    .link-chip:hover{
      transform: translateY(-1px);
      border-color: rgba(19,122,91,.30);
    }

    .gallery{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 14px;
      align-items:stretch;
      margin-top: 12px;
    }
    .img-card{
      border: 1px solid rgba(230,232,238,.95);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius);
      overflow:hidden;
      box-shadow: 0 10px 26px rgba(16,24,40,.05);
    }
    .img-wrap{
      padding: 12px;
    }
    .img-frame{
      border-radius: 16px;
      overflow:hidden;
      border: 1px solid rgba(230,232,238,.95);
      background: linear-gradient(180deg, rgba(240,243,248,.9), rgba(255,255,255,.6));
      position:relative;
    }
    .img-frame::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(520px 200px at 20% 0%, rgba(31,111,235,.12), transparent 55%),
        radial-gradient(520px 200px at 80% 20%, rgba(19,122,91,.12), transparent 60%);
      pointer-events:none;
      opacity:.9;
    }
    .img-frame img{
      width:100%;
      height:auto;
      display:block;
      position:relative;
      z-index:1;
      object-fit:contain;
    }
    .img-caption{
      padding: 10px 12px 14px;
      color: var(--muted);
      font-size: 12.5px;
      line-height:1.6;
    }
    .contact-card{
      border: 1px solid rgba(230,232,238,.95);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius);
      box-shadow: 0 10px 26px rgba(16,24,40,.05);
    }
    .contact-inner{padding: 16px; display:flex; flex-direction:column; gap:10px}
    .row{
      display:flex;
      gap:10px;
      align-items:flex-start;
    }
    .row .bullet{
      width:30px;height:30px;border-radius: 14px;
      border: 1px solid rgba(230,232,238,.95);
      background: rgba(240,243,248,.85);
      display:grid;place-items:center;
      flex:0 0 auto;
      margin-top:2px;
    }
    .row .bullet svg{width:16px;height:16px; fill:none; stroke:#2a3445; stroke-width:2; stroke-linecap:round; stroke-linejoin:round;}
    .row strong{
      font-size: 13.5px;
      display:block;
      margin-top: 2px;
    }
    .row span, .row a{
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
      text-decoration:none;
      word-break:break-word;
    }
    .map-link{
      color:#0a66c2 !important;
      text-decoration:none;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding: 10px 12px;
      border-radius: 12px;
      border: 1px solid rgba(31,111,235,.25);
      background: rgba(31,111,235,.07);
      margin-top: 2px;
      width: fit-content;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .map-link:hover{
      transform: translateY(-1px);
      border-color: rgba(31,111,235,.38);
      background: rgba(31,111,235,.10);
    }
    .map-link svg{width:16px;height:16px; fill:none; stroke:#0a66c2; stroke-width:2; stroke-linecap:round; stroke-linejoin:round;}

    .promise{
      display:grid;
      grid-template-columns: 1fr;
      gap: 10px;
      margin-top: 12px;
    }
    .promise-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding: 14px;
      border-radius: 16px;
      border: 1px solid rgba(230,232,238,.95);
      background: rgba(255,255,255,.72);
    }
    .promise-item .stamp{
      width: 38px;height: 38px;border-radius: 16px;
      background: rgba(19,122,91,.10);
      border: 1px solid rgba(19,122,91,.18);
      display:grid;place-items:center;
      flex:0 0 auto;
      margin-top: 1px;
    }
    .promise-item .stamp svg{width:18px;height:18px; fill:none; stroke:#137a5b; stroke-width:2; stroke-linecap:round; stroke-linejoin:round;}
    .promise-item strong{
      display:block;
      font-size: 13.5px;
    }
    .promise-item p{
      margin: 6px 0 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.65;
    }

    .footer{
      margin-top: 8px;
      background: #eef0f3;
      border-top: 1px solid rgba(230,232,238,.95);
      color: #2b2f36;
      padding: 18px 0 20px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 14px;
      align-items:start;
    }
    .foot-left{
      border: 1px solid rgba(230,232,238,.95);
      background: rgba(255,255,255,.55);
      border-radius: var(--radius);
      padding: 14px;
    }
    .foot-left .topline{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
    }
    .foot-left .mini-logo{
      width:34px;height:34px;border-radius: 14px;
      border: 1px solid rgba(19,122,91,.18);
      background: rgba(19,122,91,.10);
      display:grid;place-items:center;
      font-weight:900;
    }
    .foot-left strong{font-size:14px}
    .foot-left p{
      margin:8px 0 0;
      color: #525864;
      font-size: 13px;
      line-height:1.7;
    }
    .foot-links{
      border: 1px solid rgba(230,232,238,.95);
      background: rgba(255,255,255,.55);
      border-radius: var(--radius);
      padding: 14px;
    }
    .foot-links h3{
      margin: 0 0 10px;
      font-size: 14px;
    }
    .foot-links .links{
      display:flex;
      flex-direction:column;
      gap: 10px;
    }
    .foot-links a{
      text-decoration:none;
      color: #1f2937;
      font-size: 13px;
      padding: 10px 12px;
      border-radius: 12px;
      border: 1px solid rgba(230,232,238,.95);
      background: rgba(255,255,255,.65);
      transition: transform .18s ease, border-color .18s ease;
    }
    .foot-links a:hover{
      transform: translateY(-1px);
      border-color: rgba(31,111,235,.28);
    }
    .copyright{
      padding-top: 12px;
      text-align:center;
      color:#616873;
      font-size: 12.5px;
    }

    @media (max-width: 920px){
      .hero-grid{grid-template-columns: 1fr; }
      h1{max-width: 28ch; font-size: 26px}
      .grid-2{grid-template-columns:1fr}
      .gallery{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .mobile-panel{display:block}
      .mobile-panel[hidden]{display:none}
    }

    @media (prefers-reduced-motion: reduce){
      *{scroll-behavior:auto !important}
      .btn,.nav-links a,.check,.step,.link-chip,.map-link{transition:none !important}
    }
    @media (prefers-reduced-motion: no-preference){
      html{scroll-behavior:smooth}
      .reveal{
        opacity:0;
        transform: translateY(10px);
        transition: opacity .45s ease, transform .45s ease;
      }
      .reveal.is-in{
        opacity:1;
        transform: translateY(0);
      }
    }