:root{
      --bg0:#fbfbfd;
      --bg1:#ffffff;
      --text:#121826;
      --muted:#5a6476;
      --muted2:#7b879c;
      --line:rgba(20,25,38,.12);
      --shadow:0 16px 40px rgba(17,24,39,.10);
      --shadow2:0 10px 28px rgba(17,24,39,.08);
      --radius:18px;
      --radius2:14px;
      --brand1:#3b82f6;
      --brand2:#7c3aed;
      --brand3:#14b8a6;
      --brand4:#f97316;
      --grad:linear-gradient(90deg, #3b82f6 0%, #7c3aed 38%, #14b8a6 72%, #f97316 100%);
      --grad2:linear-gradient(135deg, rgba(59,130,246,.18), rgba(124,58,237,.14), rgba(20,184,166,.14));
      --grad3:radial-gradient(80% 80% at 20% 10%, rgba(59,130,246,.25), rgba(255,255,255,0) 55%),
              radial-gradient(70% 70% at 85% 25%, rgba(124,58,237,.22), rgba(255,255,255,0) 52%),
              radial-gradient(65% 65% at 65% 90%, rgba(20,184,166,.18), rgba(255,255,255,0) 50%);
      --btn:#0f172a;
      --btnText:#ffffff;
      --link:#1747ff;
      --ok:#16a34a;
      --warn:#f59e0b;
      --danger:#ef4444;
      --card:#ffffff;
      --chip:rgba(15,23,42,.06);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color:var(--text);
      background:
        var(--grad3),
        linear-gradient(180deg, #ffffff 0%, #fbfbfd 35%, #f6f7fb 100%);
    }
    a{color:inherit; text-decoration:none}
    .container{
      width:100%;
      max-width:1120px;
      margin:0 auto;
      padding:0 18px;
    }
    .topbar-wrap{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(140%) blur(10px);
      background:rgba(255,255,255,.78);
      border-bottom:1px solid rgba(20,25,38,.08);
    }
    .topbar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:12px 0;
      gap:12px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:220px;
    }
    .ai-page-logo{
      width:44px;
      height:auto;
      display:block;
      border-radius:12px;
      background:linear-gradient(145deg, rgba(59,130,246,.18), rgba(124,58,237,.12), rgba(20,184,166,.14));
      padding:8px;
      box-shadow:0 10px 20px rgba(17,24,39,.06);
    }
    .brand-title{
      display:flex;
      flex-direction:column;
      line-height:1.1;
    }
    .brand-title strong{
      font-size:15px;
      letter-spacing:.2px;
    }
    .brand-title span{
      font-size:12px;
      color:var(--muted);
      margin-top:4px;
    }
    .nav{
      display:flex;
      align-items:center;
      gap:18px;
      flex-wrap:nowrap;
      justify-content:flex-end;
    }
    .nav a{
      font-size:13px;
      color:var(--muted);
      padding:10px 10px;
      border-radius:12px;
      transition:background .2s ease, color .2s ease, transform .2s ease;
      white-space:nowrap;
    }
    .nav a:hover{
      background:rgba(59,130,246,.08);
      color:#0b1220;
      transform:translateY(-1px);
    }
    .nav-cta{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:6px;
      flex-shrink:0;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:11px 14px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.8);
      color:#0b1220;
      font-weight:650;
      font-size:13px;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
      user-select:none;
    }
    .btn:hover{
      transform:translateY(-1px);
      box-shadow:0 12px 28px rgba(17,24,39,.10);
      border-color:rgba(59,130,246,.25);
    }
    .btn-primary{
      border:none;
      background:var(--grad);
      color:#08101f;
      box-shadow:0 18px 40px rgba(124,58,237,.18);
      position:relative;
      overflow:hidden;
    }
    .btn-primary::after{
      content:"";
      position:absolute;
      inset:-2px;
      background:linear-gradient(90deg, rgba(255,255,255,.0), rgba(255,255,255,.35), rgba(255,255,255,.0));
      transform:translateX(-120%);
      transition:transform .7s ease;
    }
    .btn-primary:hover::after{transform:translateX(120%)}
    .btn-primary span{
      position:relative;
      z-index:1;
    }
    .icon-dot{
      width:10px;height:10px;border-radius:999px;
      background:rgba(255,255,255,.65);
      box-shadow:0 0 0 4px rgba(255,255,255,.20);
    }
    .hamburger{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.9);
      align-items:center;
      justify-content:center;
      cursor:pointer;
      transition:transform .18s ease, box-shadow .18s ease;
    }
    .hamburger:active{transform:scale(.98)}
    .hamburger svg{display:block}
    .mobile-drawer{
      display:none;
      padding-bottom:16px;
    }
    .drawer-panel{
      background:rgba(255,255,255,.92);
      border:1px solid rgba(20,25,38,.10);
      border-radius:18px;
      box-shadow:0 16px 40px rgba(17,24,39,.08);
      padding:10px;
      overflow:hidden;
    }
    .drawer-links{
      display:flex;
      flex-direction:column;
      gap:4px;
      padding:6px;
    }
    .drawer-links a{
      padding:12px 12px;
      border-radius:14px;
      color:var(--muted);
      font-weight:600;
      font-size:14px;
      transition:background .18s ease, color .18s ease;
    }
    .drawer-links a:hover{background:rgba(59,130,246,.08); color:#0b1220}
    .drawer-cta{
      display:flex;
      gap:10px;
      padding:10px 6px 6px;
      flex-wrap:wrap;
    }

    .hero{
      padding:38px 0 18px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.18fr .82fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-card{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(20,25,38,.10);
      border-radius:var(--radius);
      box-shadow:var(--shadow2);
      padding:22px;
      position:relative;
      overflow:hidden;
      min-height:320px;
    }
    .hero-card::before{
      content:"";
      position:absolute;
      inset:-2px;
      background:var(--grad2);
      opacity:.85;
      pointer-events:none;
      mask-image:radial-gradient(55% 60% at 25% 15%, black 40%, transparent 68%);
    }
    .hero-badge-row{
      display:flex;
      align-items:center;
      justify-content:flex-start;
      gap:10px;
      flex-wrap:wrap;
      position:relative;
      z-index:1;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.72);
      color:#0b1220;
      font-size:13px;
      font-weight:650;
    }
    .chip small{
      color:var(--muted);
      font-weight:650;
      font-size:12px;
    }
    .hero-title{
      margin:14px 0 10px;
      font-size:34px;
      letter-spacing:-.6px;
      line-height:1.15;
      position:relative;
      z-index:1;
    }
    .hero-lead{
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.8;
      max-width:64ch;
      position:relative;
      z-index:1;
    }
    .hero-actions{
      margin-top:16px;
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      position:relative;
      z-index:1;
    }
    .btn-secondary{
      background:rgba(255,255,255,.85);
    }
    .hero-side{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .side-card{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(20,25,38,.10);
      border-radius:var(--radius);
      box-shadow:var(--shadow2);
      padding:16px;
      position:relative;
      overflow:hidden;
    }
    .side-card::after{
      content:"";
      position:absolute;
      right:-40px; top:-50px;
      width:140px; height:140px;
      border-radius:999px;
      background:radial-gradient(circle at 30% 30%, rgba(124,58,237,.25), rgba(124,58,237,0) 65%);
      pointer-events:none;
    }
    .side-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:12px;
      position:relative;
      z-index:1;
    }
    .side-title h3{
      margin:0;
      font-size:14px;
      letter-spacing:.2px;
    }
    .pill{
      font-size:12px;
      font-weight:700;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(59,130,246,.10);
      border:1px solid rgba(59,130,246,.22);
      color:#0b2a63;
      white-space:nowrap;
    }
    .kpi-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:10px;
      position:relative;
      z-index:1;
    }
    .kpi{
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(20,25,38,.08);
      background:rgba(255,255,255,.7);
      transition:transform .18s ease, box-shadow .18s ease;
      min-height:84px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .kpi:hover{
      transform:translateY(-2px);
      box-shadow:0 16px 34px rgba(17,24,39,.10);
    }
    .kpi .num{
      font-weight:850;
      font-size:18px;
      letter-spacing:-.2px;
    }
    .kpi .label{
      color:var(--muted);
      font-size:12px;
      line-height:1.3;
      margin-top:6px;
      font-weight:650;
    }

    .section{
      padding:22px 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:16px;
      margin-bottom:14px;
    }
    .section-head h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.3px;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
      max-width:62ch;
    }
    .grid-3{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:12px;
    }
    .card{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(20,25,38,.10);
      border-radius:var(--radius);
      box-shadow:0 10px 26px rgba(17,24,39,.06);
      padding:16px;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 44px rgba(17,24,39,.10);
      border-color:rgba(59,130,246,.22);
    }
    .card .topline{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:10px;
      margin-bottom:10px;
    }
    .card h3{
      margin:0;
      font-size:15px;
      letter-spacing:-.1px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      line-height:1.8;
      font-size:13px;
    }
    .badge{
      width:42px; height:42px;
      border-radius:16px;
      background:linear-gradient(135deg, rgba(59,130,246,.18), rgba(124,58,237,.14), rgba(20,184,166,.14));
      border:1px solid rgba(59,130,246,.22);
      display:flex;
      align-items:center;
      justify-content:center;
      flex-shrink:0;
    }
    .badge svg{opacity:.95}
    .steps{
      display:grid;
      grid-template-columns:repeat(4, 1fr);
      gap:12px;
    }
    .step{
      padding:16px;
      border-radius:var(--radius);
      border:1px solid rgba(20,25,38,.10);
      background:rgba(255,255,255,.84);
      box-shadow:0 10px 26px rgba(17,24,39,.06);
      display:flex;
      flex-direction:column;
      gap:10px;
      position:relative;
      overflow:hidden;
      min-height:190px;
    }
    .step::before{
      content:"";
      position:absolute;
      inset:-2px;
      background:linear-gradient(135deg, rgba(59,130,246,.10), rgba(124,58,237,.08), rgba(20,184,166,.08));
      opacity:.7;
      mask-image:radial-gradient(60% 55% at 20% 10%, black 45%, transparent 72%);
      pointer-events:none;
    }
    .step .row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      position:relative;
      z-index:1;
    }
    .step .num{
      width:38px;height:38px;border-radius:14px;
      display:flex;align-items:center;justify-content:center;
      background:rgba(59,130,246,.10);
      border:1px solid rgba(59,130,246,.22);
      font-weight:850;
      color:#0b2a63;
    }
    .step h3{margin:0; font-size:15px; position:relative; z-index:1;}
    .step p{margin:0; color:var(--muted); font-size:13px; line-height:1.8; position:relative; z-index:1;}
    .divider{
      height:1px;
      background:rgba(20,25,38,.10);
      margin:8px 0 0;
      border-radius:999px;
    }

    .compare-wrap{
      background:rgba(255,255,255,.74);
      border:1px solid rgba(20,25,38,.10);
      border-radius:var(--radius);
      box-shadow:0 16px 40px rgba(17,24,39,.08);
      overflow:hidden;
    }
    .compare-head{
      padding:16px 16px 8px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .rating{
      display:flex;
      gap:10px;
      align-items:flex-start;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .stars{
      display:flex;
      gap:4px;
      align-items:center;
      margin-top:4px;
    }
    .star{
      width:18px;height:18px;
      fill:#f59e0b;
      filter: drop-shadow(0 6px 10px rgba(245,158,11,.25));
    }
    .rating .score{
      font-weight:900;
      font-size:26px;
      letter-spacing:-.6px;
      line-height:1;
    }
    .rating .sub{
      color:var(--muted);
      font-size:12px;
      font-weight:700;
      margin-top:8px;
    }
    table{
      width:100%;
      border-collapse:collapse;
      font-size:14px;
    }
    th,td{
      border-top:1px solid rgba(20,25,38,.10);
      padding:12px 12px;
      text-align:left;
      vertical-align:middle;
    }
    th{
      background:linear-gradient(90deg, rgba(59,130,246,.10), rgba(124,58,237,.08), rgba(20,184,166,.08));
      font-weight:850;
      color:#0b1220;
    }
    td{
      color:var(--muted);
    }
    .td-strong{
      color:#0b1220;
      font-weight:750;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(20,25,38,.10);
      background:rgba(255,255,255,.7);
      font-weight:750;
      font-size:12px;
      color:#0b1220;
      white-space:nowrap;
    }
    .tag.ok{
      border-color:rgba(22,163,74,.25);
      background:rgba(22,163,74,.10);
      color:#0a4a24;
    }
    .tag.warn{
      border-color:rgba(245,158,11,.25);
      background:rgba(245,158,11,.10);
      color:#5a3b0a;
    }

    .list-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    .service-grid{
      display:grid;
      grid-template-columns:repeat(2, 1fr);
      gap:12px;
    }
    .service-card{
      padding:16px;
      border-radius:var(--radius);
      border:1px solid rgba(20,25,38,.10);
      background:rgba(255,255,255,.86);
      box-shadow:0 10px 26px rgba(17,24,39,.06);
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .service-card:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 44px rgba(17,24,39,.10);
      border-color:rgba(124,58,237,.24);
    }
    .service-card h3{margin:0; font-size:15px;}
    .service-card .desc{color:var(--muted); margin-top:8px; line-height:1.85; font-size:13px;}
    .bullets{
      margin:12px 0 0;
      padding:0;
      list-style:none;
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .bullets li{
      font-size:12px;
      font-weight:750;
      color:#0b1220;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(15,23,42,.05);
      border:1px solid rgba(15,23,42,.10);
      white-space:nowrap;
    }

    .two-col{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:stretch;
    }

    .timeline{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
    }
    .timeline-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px;
      border-radius:var(--radius2);
      border:1px solid rgba(20,25,38,.08);
      background:rgba(255,255,255,.72);
    }
    .timeline-dot{
      width:14px;height:14px;border-radius:999px;
      background:var(--grad);
      margin-top:6px;
      box-shadow:0 10px 20px rgba(59,130,246,.25);
      flex-shrink:0;
    }
    .timeline-item h3{margin:0; font-size:14px;}
    .timeline-item p{margin:6px 0 0; color:var(--muted); font-size:13px; line-height:1.75;}

    .tabs-row{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-bottom:12px;
    }
    .tabbtn{
      cursor:pointer;
      border:1px solid rgba(20,25,38,.10);
      background:rgba(255,255,255,.86);
      padding:10px 12px;
      border-radius:999px;
      font-weight:800;
      font-size:13px;
      color:var(--muted);
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease, color .18s ease;
      user-select:none;
    }
    .tabbtn:hover{transform:translateY(-1px); box-shadow:0 12px 28px rgba(17,24,39,.08); border-color:rgba(59,130,246,.22); color:#0b1220}
    .tabbtn[aria-selected="true"]{
      background:rgba(59,130,246,.10);
      border-color:rgba(59,130,246,.30);
      color:#0b2a63;
    }

    .article-list{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:12px;
    }
    .article{
      padding:16px;
      border-radius:var(--radius);
      border:1px solid rgba(20,25,38,.10);
      background:rgba(255,255,255,.86);
      box-shadow:0 10px 26px rgba(17,24,39,.06);
      transition:transform .18s ease, box-shadow .18s ease;
      display:flex;
      flex-direction:column;
      gap:10px;
      min-height:176px;
    }
    .article:hover{transform:translateY(-2px); box-shadow:0 18px 44px rgba(17,24,39,.10)}
    .article .meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      color:var(--muted2);
      font-size:12px;
      font-weight:800;
    }
    .article h3{
      margin:0;
      font-size:15px;
      letter-spacing:-.1px;
      line-height:1.5;
    }
    .article p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
      flex:1;
    }
    .article a.more{
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-weight:850;
      color:#0b2a63;
      font-size:13px;
    }
    .arrow{
      width:18px;height:18px;border-radius:999px;
      border:1px solid rgba(11,42,99,.20);
      display:flex;align-items:center;justify-content:center;
      background:rgba(59,130,246,.08);
      transition:transform .18s ease;
    }
    .article:hover .arrow{transform:translateX(2px)}
    .more{cursor:pointer}

    .faq{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap:12px;
      align-items:start;
    }
    .faq-list{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(20,25,38,.10);
      border-radius:var(--radius);
      box-shadow:0 10px 26px rgba(17,24,39,.06);
      overflow:hidden;
    }
    details{
      border-top:1px solid rgba(20,25,38,.10);
      padding:0 14px;
      background:rgba(255,255,255,.86);
    }
    details:first-child{border-top:none}
    summary{
      list-style:none;
      padding:14px 0;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      font-weight:850;
      font-size:14px;
    }
    summary::-webkit-details-marker{display:none}
    .sum-right{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--muted2);
      font-size:12px;
      font-weight:800;
      flex-shrink:0;
    }
    .chev{
      width:28px;height:28px;border-radius:12px;
      border:1px solid rgba(20,25,38,.10);
      background:rgba(15,23,42,.04);
      display:flex;align-items:center;justify-content:center;
      transition:transform .22s ease;
    }
    details[open] .chev{transform:rotate(180deg)}
    .faq-answer{
      padding:0 0 14px;
      color:var(--muted);
      line-height:1.85;
      font-size:13px;
      max-width:78ch;
    }
    .faq-side{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(20,25,38,.10);
      border-radius:var(--radius);
      box-shadow:0 10px 26px rgba(17,24,39,.06);
      padding:16px;
      overflow:hidden;
      position:relative;
    }
    .faq-side::before{
      content:"";
      position:absolute;
      left:-60px; top:-60px;
      width:180px; height:180px;
      border-radius:999px;
      background:radial-gradient(circle at 30% 30%, rgba(20,184,166,.20), rgba(20,184,166,0) 65%);
      pointer-events:none;
    }
    .faq-side h3{margin:0; font-size:16px; position:relative; z-index:1;}
    .faq-side p{margin:10px 0 0; color:var(--muted); line-height:1.85; font-size:13px; position:relative; z-index:1;}
    .faq-side .btn-row{margin-top:14px; display:flex; gap:10px; flex-wrap:wrap; position:relative; z-index:1}

    .reviews{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:12px;
    }
    .review{
      padding:16px;
      border-radius:var(--radius);
      border:1px solid rgba(20,25,38,.10);
      background:rgba(255,255,255,.86);
      box-shadow:0 10px 26px rgba(17,24,39,.06);
      transition:transform .18s ease, box-shadow .18s ease;
      display:flex;
      flex-direction:column;
      gap:10px;
      min-height:200px;
    }
    .review:hover{transform:translateY(-2px); box-shadow:0 18px 44px rgba(17,24,39,.10)}
    .review .who{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
    }
    .avatar{
      width:40px;height:40px;border-radius:16px;
      background:linear-gradient(145deg, rgba(59,130,246,.22), rgba(124,58,237,.14), rgba(20,184,166,.16));
      border:1px solid rgba(59,130,246,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color:#0b2a63;
      flex-shrink:0;
    }
    .who strong{font-size:14px}
    .who span{display:block; margin-top:4px; font-size:12px; color:var(--muted2); font-weight:800}
    .review .text{
      color:var(--muted);
      line-height:1.9;
      font-size:13px;
      margin:0;
      flex:1;
    }
    .review .metric{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }

    .form-card{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(20,25,38,.10);
      border-radius:var(--radius);
      box-shadow:0 16px 40px rgba(17,24,39,.08);
      padding:16px;
    }
    form{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
      align-items:start;
    }
    .field{
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    label{
      font-size:12px;
      font-weight:850;
      color:#0b1220;
    }
    input, select, textarea{
      width:100%;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(20,25,38,.12);
      background:rgba(255,255,255,.92);
      color:#0b1220;
      outline:none;
      font-size:14px;
      transition:border-color .18s ease, box-shadow .18s ease;
    }
    textarea{min-height:110px; resize:vertical}
    input:focus, select:focus, textarea:focus{
      border-color:rgba(59,130,246,.35);
      box-shadow:0 0 0 4px rgba(59,130,246,.12);
    }
    .form-actions{
      grid-column: 1 / -1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      margin-top:2px;
    }
    .hint{
      color:var(--muted2);
      font-size:12px;
      font-weight:750;
      line-height:1.6;
    }
    .toast{
      position:fixed;
      left:50%;
      bottom:20px;
      transform:translateX(-50%);
      background:rgba(15,23,42,.94);
      color:#fff;
      padding:12px 14px;
      border-radius:14px;
      box-shadow:0 22px 60px rgba(0,0,0,.28);
      font-weight:800;
      font-size:13px;
      opacity:0;
      pointer-events:none;
      transition:opacity .2s ease, transform .2s ease;
      z-index:1000;
      width:min(560px, calc(100% - 28px));
    }
    .toast.show{
      opacity:1;
      transform:translateX(-50%) translateY(-6px);
    }

    .links-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:stretch;
    }
    .network{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:10px;
    }
    .netchip{
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(20,25,38,.10);
      background:rgba(255,255,255,.72);
      font-weight:850;
      font-size:13px;
      color:#0b1220;
    }
    .tagcloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:10px;
    }
    .tchip{
      padding:9px 12px;
      border-radius:999px;
      background:rgba(15,23,42,.05);
      border:1px solid rgba(15,23,42,.10);
      color:#0b1220;
      font-weight:800;
      font-size:13px;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .tchip:hover{
      transform:translateY(-2px);
      box-shadow:0 16px 36px rgba(17,24,39,.10);
      border-color:rgba(124,58,237,.22);
    }

    .gallery{
      display:grid;
      grid-template-columns: 1fr;
      gap:12px;
    }
    .gallery-row{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:12px;
      align-items:stretch;
    }
    .img-card{
      border-radius:var(--radius);
      border:1px solid rgba(20,25,38,.10);
      background:rgba(255,255,255,.86);
      box-shadow:0 10px 26px rgba(17,24,39,.06);
      overflow:hidden;
      position:relative;
    }
    .img-wrap{
      padding:16px;
    }
    .img-frame{
      border-radius:16px;
      overflow:hidden;
      border:1px solid rgba(20,25,38,.10);
      background:linear-gradient(135deg, rgba(59,130,246,.08), rgba(124,58,237,.06));
    }
    .img-frame img{
      width:100%;
      height:auto;
      display:block;
      object-fit:cover;
    }
    .img-meta{
      padding:14px 16px;
      border-top:1px solid rgba(20,25,38,.10);
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .img-meta strong{
      font-size:14px;
    }
    .img-meta span{
      display:block;
      margin-top:6px;
      color:var(--muted);
      font-size:12px;
      font-weight:750;
      line-height:1.6;
      max-width:56ch;
    }
    .stack{
      display:grid;
      grid-template-columns:1fr;
      gap:12px;
      height:100%;
    }
    .mini-img{
      padding:16px;
    }
    .mini-img .img-frame{border-radius:16px}
    .mini-list{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
      padding:14px;
    }
    .mini-item{
      display:flex;
      gap:10px;
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(20,25,38,.10);
      background:rgba(255,255,255,.72);
      align-items:flex-start;
    }
    .mini-item .mark{
      width:34px;height:34px;border-radius:14px;
      background:rgba(59,130,246,.10);
      border:1px solid rgba(59,130,246,.22);
      display:flex;align-items:center;justify-content:center;
      flex-shrink:0;
    }
    .mini-item h3{margin:0; font-size:13px}
    .mini-item p{margin:6px 0 0; color:var(--muted); font-size:12px; line-height:1.7}

    .footer{
      background:linear-gradient(180deg, rgba(255,255,255,.0), rgba(255,255,255,.55) 20%, rgba(255,255,255,.92) 100%);
      border-top:1px solid rgba(20,25,38,.10);
      margin-top:10px;
    }
    .footer-inner{
      padding:20px 0 16px;
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .footer-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
    }
    .foot-brand{
      display:flex; align-items:center; gap:12px;
      min-width:280px;
    }
    .foot-brand strong{font-size:15px}
    .foot-brand p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
      max-width:55ch;
      font-weight:700;
    }
    .foot-links{
      display:flex;
      gap:14px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .foot-links a{
      font-size:13px;
      font-weight:850;
      color:#0b2a63;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(20,25,38,.10);
      background:rgba(255,255,255,.78);
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      white-space:nowrap;
    }
    .foot-links a:hover{
      transform:translateY(-2px);
      box-shadow:0 16px 36px rgba(17,24,39,.10);
      border-color:rgba(59,130,246,.22);
    }
    .footer-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      padding-top:8px;
      border-top:1px solid rgba(20,25,38,.10);
    }
    .copyright{
      color:var(--muted);
      font-size:12px;
      font-weight:800;
      line-height:1.7;
    }
    .footer-legal{
      display:flex; gap:10px; flex-wrap:wrap; justify-content:flex-end;
      color:var(--muted2);
      font-size:12px;
      font-weight:850;
    }
    .footer-legal a{
      color:#0b2a63;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(20,25,38,.10);
      background:rgba(255,255,255,.78);
    }

    .float-contact{
      position:fixed;
      right:14px;
      bottom:14px;
      z-index:200;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
    }
    .float-btn{
      border:none;
      cursor:pointer;
      width:52px; height:52px;
      border-radius:18px;
      background:var(--grad);
      box-shadow:0 22px 60px rgba(124,58,237,.22);
      display:flex;
      align-items:center;
      justify-content:center;
      transition:transform .18s ease, box-shadow .18s ease;
      position:relative;
    }
    .float-btn:active{transform:scale(.98)}
    .float-btn:hover{transform:translateY(-2px); box-shadow:0 28px 68px rgba(124,58,237,.28)}
    .float-tip{
      background:rgba(15,23,42,.94);
      color:#fff;
      font-size:12px;
      font-weight:850;
      padding:9px 10px;
      border-radius:14px;
      box-shadow:0 18px 50px rgba(0,0,0,.25);
      max-width:200px;
      transform-origin:100% 100%;
      transition:opacity .18s ease, transform .18s ease;
      opacity:0;
      transform:translateY(6px) scale(.98);
      pointer-events:none;
    }
    .float-btn:hover + .float-tip{
      opacity:1;
      transform:translateY(0) scale(1);
    }
    .modal{
      position:fixed;
      inset:0;
      background:rgba(15,23,42,.50);
      display:none;
      align-items:center;
      justify-content:center;
      z-index:300;
      padding:16px;
    }
    .modal.show{display:flex}
    .modal-panel{
      width:min(720px, 100%);
      background:rgba(255,255,255,.92);
      border:1px solid rgba(255,255,255,.28);
      border-radius:22px;
      box-shadow:0 30px 90px rgba(0,0,0,.28);
      overflow:hidden;
    }
    .modal-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:14px 16px;
      border-bottom:1px solid rgba(20,25,38,.10);
      background:linear-gradient(90deg, rgba(59,130,246,.10), rgba(124,58,237,.08), rgba(20,184,166,.08));
      gap:12px;
    }
    .modal-head strong{font-size:14px}
    .close{
      width:42px;height:42px;border-radius:16px;
      border:1px solid rgba(20,25,38,.12);
      background:rgba(255,255,255,.86);
      cursor:pointer;
      display:flex;align-items:center;justify-content:center;
      transition:transform .18s ease, box-shadow .18s ease;
    }
    .close:hover{transform:translateY(-1px); box-shadow:0 14px 34px rgba(17,24,39,.12)}
    .modal-body{
      padding:16px;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:stretch;
    }
    .modal-card{
      border:1px solid rgba(20,25,38,.10);
      border-radius:18px;
      background:rgba(255,255,255,.86);
      padding:14px;
    }
    .modal-card h3{margin:0; font-size:14px}
    .modal-card p{margin:8px 0 0; color:var(--muted); font-size:13px; line-height:1.8; font-weight:750}
    .qr{
      display:flex;
      align-items:center;
      justify-content:center;
      padding:10px;
      background:rgba(15,23,42,.03);
      border-radius:14px;
      border:1px solid rgba(20,25,38,.08);
      margin-top:12px;
    }
    .qr img{
      width:180px;
      height:auto;
      border-radius:12px;
      display:block;
    }

    .reveal{
      opacity:0;
      transform:translateY(10px);
      transition:opacity .5s ease, transform .55s ease;
    }
    .reveal.in{
      opacity:1;
      transform:translateY(0);
    }

    .sr-only{
      position:absolute;
      width:1px;height:1px;
      padding:0;margin:-1px;overflow:hidden;
      clip:rect(0,0,0,0);white-space:nowrap;border:0;
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr}
      .hero-card{min-height:auto}
      .steps{grid-template-columns:repeat(2, 1fr)}
      .grid-3{grid-template-columns:repeat(2, 1fr)}
      .article-list{grid-template-columns:repeat(2, 1fr)}
      .reviews{grid-template-columns:repeat(2, 1fr)}
      .faq{grid-template-columns:1fr}
      .list-grid{grid-template-columns:1fr}
      .gallery-row{grid-template-columns:1fr}
      .modal-body{grid-template-columns:1fr}
    }
    @media (max-width: 720px){
      .nav{display:none}
      .nav-cta{display:none}
      .hamburger{display:flex}
      .mobile-drawer{display:block}
      .steps{grid-template-columns:1fr}
      .grid-3{grid-template-columns:1fr}
      .service-grid{grid-template-columns:1fr}
      .article-list{grid-template-columns:1fr}
      .reviews{grid-template-columns:1fr}
      .form-card form{grid-template-columns:1fr}
      .hero-title{font-size:28px}
      .hero-actions{gap:10px}
      .float-contact{right:10px; bottom:10px}
    }