:root{
      --bg0:#f6f9ff;
      --bg1:#ffffff;
      --text:#0b1b33;
      --muted:#56647a;
      --muted2:#7c8aa0;
      --line:rgba(11,27,51,.10);
      --line2:rgba(11,27,51,.14);
      --primary:#0b4cff;
      --primary2:#0a7bff;
      --accent:#00b3ff;
      --accent2:#19d3ff;
      --deep:#06122a;
      --card:#ffffff;
      --shadow: 0 18px 45px rgba(11,39,88,.12);
      --shadow2: 0 10px 25px rgba(11,39,88,.10);
      --radius:18px;
      --radius2:26px;
      --container:1140px;
      --focus: 0 0 0 4px rgba(11,76,255,.18);
      --good:#0ea5e9;
      --warn:#2563eb;
      --success:#16a34a;
      --chip:#eaf2ff;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
      color:var(--text);
      background: radial-gradient(1200px 600px at 15% 0%, rgba(11,76,255,.10), transparent 55%),
                  radial-gradient(900px 520px at 85% 10%, rgba(0,179,255,.10), transparent 50%),
                  linear-gradient(180deg, var(--bg0), #ffffff 55%, #f7fbff);
    }
    a{color:inherit; text-decoration:none}
    .container{
      max-width:var(--container);
      margin:0 auto;
      padding:0 18px;
    }
    .topbar{
      position:sticky; top:0; z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(246,249,255,.70);
      border-bottom:1px solid rgba(11,27,51,.08);
    }
    .nav{
      display:flex; align-items:center; justify-content:space-between;
      padding:12px 0;
      gap:14px;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width:240px;
    }
    .brand img{width:46px; height:46px; object-fit:contain}
    .brand-title{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand-title strong{font-size:14px; letter-spacing:.2px}
    .brand-title span{font-size:12px; color:var(--muted2)}
    .nav-right{
      display:flex; align-items:center; gap:12px; flex-wrap:wrap; justify-content:flex-end;
    }
    .menu{
      display:flex; align-items:center; gap:14px; flex-wrap:wrap; justify-content:flex-end;
    }
    .menu a{
      font-size:13px; color:var(--muted);
      padding:8px 10px; border-radius:999px;
      transition: background .2s ease, color .2s ease, transform .2s ease;
      white-space:nowrap;
    }
    .menu a:hover{
      background: rgba(11,76,255,.08);
      color:var(--deep);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex; align-items:center; gap:10px;
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:10px;
      border-radius:14px;
      padding:12px 14px;
      border:1px solid rgba(11,76,255,.25);
      background: linear-gradient(180deg, rgba(11,76,255,.10), rgba(11,76,255,.05));
      color:var(--primary);
      font-weight:650;
      font-size:13px;
      letter-spacing:.2px;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
      user-select:none;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 16px 35px rgba(11,76,255,.18);
      background: linear-gradient(180deg, rgba(11,76,255,.14), rgba(11,76,255,.07));
    }
    .btn:active{transform: translateY(0)}
    .btn:focus{outline:none; box-shadow: var(--focus)}
    .btn-primary{
      border:1px solid rgba(11,76,255,.35);
      background: linear-gradient(135deg, var(--primary), var(--primary2));
      color:#fff;
      box-shadow: 0 18px 45px rgba(11,76,255,.22);
    }
    .btn-primary:hover{
      box-shadow: 0 22px 60px rgba(11,76,255,.30);
      background: linear-gradient(135deg, #0a46ff, #0990ff);
    }
    .btn-ghost{
      border:1px solid rgba(11,27,51,.12);
      background: rgba(255,255,255,.65);
      color:var(--deep);
    }
    .burger{
      display:none;
      width:44px; height:44px; border-radius:14px;
      border:1px solid rgba(11,27,51,.12);
      background: rgba(255,255,255,.65);
      align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
    }
    .burger:hover{transform: translateY(-1px); box-shadow: var(--shadow2)}
    .burger:focus{outline:none; box-shadow: var(--focus)}
    .burger i{
      width:18px; height:12px; display:block; position:relative;
    }
    .burger i::before,.burger i::after,.burger i span{
      content:""; position:absolute; left:0; right:0; height:2px; border-radius:999px; background: var(--deep);
      transition: transform .18s ease, top .18s ease, opacity .18s ease;
    }
    .burger i::before{top:0}
    .burger i span{top:5px}
    .burger i::after{top:10px}
    .burger[data-open="true"] i::before{top:5px; transform: rotate(45deg)}
    .burger[data-open="true"] i span{opacity:0}
    .burger[data-open="true"] i::after{top:5px; transform: rotate(-45deg)}
    .mobile-panel{
      display:none;
      border-top:1px solid rgba(11,27,51,.08);
      padding:10px 0 14px;
    }
    .mobile-panel .menu{flex-direction:column; align-items:flex-start; gap:8px}
    .mobile-panel .menu a{width:100%}
    .mobile-panel .nav-cta{width:100%; justify-content:flex-start}
    header .hero{
      padding:46px 0 22px;
      position:relative;
      overflow:hidden;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap:20px;
      align-items:stretch;
    }
    .hero-left{
      background: linear-gradient(180deg, rgba(255,255,255,.75), rgba(255,255,255,.55));
      border:1px solid rgba(11,27,51,.10);
      border-radius: var(--radius2);
      padding:26px 22px;
      position:relative;
      box-shadow: 0 16px 45px rgba(11,39,88,.10);
    }
    .hero-left::before{
      content:"";
      position:absolute; inset:-1px;
      background:
        radial-gradient(900px 260px at 20% 0%, rgba(11,76,255,.20), transparent 55%),
        radial-gradient(700px 260px at 80% 10%, rgba(0,179,255,.18), transparent 50%),
        linear-gradient(180deg, rgba(255,255,255,.30), rgba(255,255,255,0));
      pointer-events:none;
      border-radius: var(--radius2);
      opacity:.95;
    }
    .hero-left > *{position:relative}
    .kicker{
      display:inline-flex; align-items:center; gap:10px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(11,76,255,.18);
      background: rgba(234,242,255,.72);
      color:var(--deep);
      font-size:12px;
      font-weight:650;
      letter-spacing:.2px;
    }
    .dot{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      box-shadow: 0 0 0 6px rgba(11,76,255,.12);
    }
    h1{
      margin:14px 0 10px;
      font-size:30px; line-height:1.16;
      letter-spacing:-.6px;
    }
    .lead{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
      max-width:62ch;
    }
    .hero-actions{
      display:flex; flex-wrap:wrap; gap:12px; margin-top:18px; align-items:center;
    }
    .trust-row{
      margin-top:16px;
      display:flex; flex-wrap:wrap; gap:10px;
      align-items:center;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(11,27,51,.10);
      background: rgba(255,255,255,.60);
      color:var(--deep);
      font-size:13px;
      min-width:190px;
    }
    .pill svg{flex:0 0 auto}
    .hero-right{
      display:flex; flex-direction:column; gap:14px;
    }
    .stat-stack{
      border-radius: var(--radius2);
      border:1px solid rgba(11,27,51,.10);
      background: rgba(255,255,255,.70);
      padding:18px 16px;
      box-shadow: 0 12px 35px rgba(11,39,88,.08);
      position:relative;
      overflow:hidden;
    }
    .stat-stack::after{
      content:"";
      position:absolute; inset:-1px;
      background: radial-gradient(520px 220px at 70% -10%, rgba(11,76,255,.22), transparent 55%),
                  radial-gradient(420px 180px at 10% 20%, rgba(0,179,255,.18), transparent 55%);
      pointer-events:none;
      opacity:.85;
    }
    .stat-stack > *{position:relative}
    .stat-head{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
      margin-bottom:12px;
    }
    .stat-head h2{
      margin:0;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .badge{
      font-size:12px;
      color:var(--deep);
      background: rgba(234,242,255,.75);
      border:1px solid rgba(11,76,255,.18);
      padding:7px 10px;
      border-radius:999px;
      white-space:nowrap;
      font-weight:650;
    }
    .stat-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap:12px;
    }
    .stat{
      border-radius:16px;
      border:1px solid rgba(11,27,51,.10);
      background: rgba(255,255,255,.60);
      padding:12px 12px 11px;
      transition: transform .18s ease, box-shadow .18s ease;
      min-height:88px;
    }
    .stat:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 35px rgba(11,39,88,.10);
    }
    .stat b{
      display:block;
      font-size:18px;
      letter-spacing:-.4px;
      margin-bottom:4px;
    }
    .stat span{
      color:var(--muted);
      font-size:12.5px;
      line-height:1.35;
    }
    .quick-card{
      border-radius: var(--radius2);
      border:1px solid rgba(11,27,51,.10);
      background: rgba(255,255,255,.75);
      padding:16px;
      display:flex; flex-direction:column; gap:10px;
      box-shadow: 0 12px 35px rgba(11,39,88,.08);
    }
    .quick-top{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
    }
    .quick-top h3{
      margin:0; font-size:15px; letter-spacing:-.2px;
    }
    .chip-row{display:flex; flex-wrap:wrap; gap:8px}
    .chip{
      background: rgba(234,242,255,.9);
      border:1px solid rgba(11,76,255,.16);
      padding:8px 10px;
      border-radius:999px;
      font-size:12.5px;
      color:var(--deep);
      font-weight:600;
      white-space:nowrap;
    }
    .section{
      padding:28px 0;
    }
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px;
      margin-bottom:14px;
    }
    .section-head h2{
      margin:0;
      font-size:20px;
      letter-spacing:-.35px;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.6;
      max-width:62ch;
    }
    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .card{
      border-radius: var(--radius);
      border:1px solid rgba(11,27,51,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 28px rgba(11,39,88,.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 45px rgba(11,39,88,.10);
      border-color: rgba(11,76,255,.22);
    }
    .card h3{
      margin:10px 0 8px;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:13.5px; line-height:1.7;
    }
    .icon{
      width:44px; height:44px; border-radius:16px;
      border:1px solid rgba(11,76,255,.18);
      background: linear-gradient(135deg, rgba(11,76,255,.16), rgba(0,179,255,.12));
      display:flex; align-items:center; justify-content:center;
    }
    .icon svg{width:22px; height:22px}
    .list{
      display:flex; flex-direction:column; gap:10px; margin-top:12px;
    }
    .li{
      display:flex; gap:10px; align-items:flex-start;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(11,27,51,.08);
      background: rgba(255,255,255,.60);
    }
    .check{
      width:22px; height:22px; border-radius:50%;
      background: rgba(11,76,255,.12);
      border:1px solid rgba(11,76,255,.25);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .li b{font-size:13.5px}
    .li span{display:block; color:var(--muted); font-size:12.8px; line-height:1.55; margin-top:2px}
    .steps{
      display:grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap:14px;
    }
    .step{
      padding:16px;
      border-radius: var(--radius);
      border:1px solid rgba(11,27,51,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 26px rgba(11,39,88,.06);
      position:relative;
      overflow:hidden;
      min-height:168px;
      display:flex;
      flex-direction:column;
    }
    .step::before{
      content:"";
      position:absolute; inset:-1px;
      background: radial-gradient(380px 160px at 10% 0%, rgba(11,76,255,.16), transparent 55%);
      opacity:.9;
      pointer-events:none;
    }
    .step > *{position:relative}
    .step .num{
      width:36px; height:36px; border-radius:14px;
      background: rgba(11,76,255,.12);
      border:1px solid rgba(11,76,255,.24);
      display:flex; align-items:center; justify-content:center;
      font-weight:800; color:var(--primary);
      font-size:14px;
    }
    .step h3{margin:10px 0 6px; font-size:15px}
    .step p{margin:0; color:var(--muted); font-size:13.5px; line-height:1.7}
    .compare-wrap{
      border-radius: var(--radius2);
      border:1px solid rgba(11,27,51,.10);
      background: rgba(255,255,255,.74);
      box-shadow: 0 16px 45px rgba(11,39,88,.08);
      overflow:hidden;
    }
    .compare-top{
      padding:18px 16px 10px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px; flex-wrap:wrap;
    }
    .rating{
      display:flex; align-items:center; gap:12px;
    }
    .starbox{
      width:54px; height:54px; border-radius:20px;
      border:1px solid rgba(11,76,255,.20);
      background: linear-gradient(135deg, rgba(11,76,255,.14), rgba(0,179,255,.10));
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 14px 40px rgba(11,76,255,.14);
    }
    .rating h3{
      margin:0;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .rating p{
      margin:4px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.4;
    }
    .compare-actions{
      display:flex; gap:10px; flex-wrap:wrap;
      align-items:center;
    }
    .table-wrap{
      overflow:auto;
      border-top:1px solid rgba(11,27,51,.08);
      background: rgba(255,255,255,.60);
    }
    table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      min-width:760px;
    }
    thead th{
      text-align:left;
      padding:14px 14px;
      font-size:13px;
      color:var(--deep);
      background: linear-gradient(180deg, rgba(234,242,255,.9), rgba(255,255,255,.75));
      border-bottom:1px solid rgba(11,27,51,.10);
      position:sticky; top:0;
      z-index:1;
    }
    tbody td{
      padding:12px 14px;
      border-bottom:1px solid rgba(11,27,51,.08);
      color:var(--muted);
      font-size:13.5px;
      vertical-align:top;
    }
    tbody tr:hover td{
      background: rgba(11,76,255,.04);
      color:var(--text);
    }
    .mark{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(11,27,51,.10);
      background: rgba(255,255,255,.65);
      color:var(--deep);
      font-weight:650;
      font-size:12.5px;
      white-space:nowrap;
    }
    .mark.good{
      border-color: rgba(22,163,74,.25);
      background: rgba(22,163,74,.10);
      color:#0b6b2a;
    }
    .mark.primary{
      border-color: rgba(11,76,255,.25);
      background: rgba(11,76,255,.10);
      color:#0a3d9a;
    }
    .taggrid{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:10px;
    }
    .tag{
      font-size:12.5px; color:var(--deep);
      border:1px solid rgba(11,27,51,.10);
      background: rgba(255,255,255,.65);
      border-radius:999px;
      padding:8px 10px;
      white-space:nowrap;
    }

    .side-by-side{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .panel{
      border-radius: var(--radius2);
      border:1px solid rgba(11,27,51,.10);
      background: rgba(255,255,255,.76);
      box-shadow: 0 14px 40px rgba(11,39,88,.08);
      padding:18px 16px;
    }
    .panel h3{margin:0; font-size:16px; letter-spacing:-.2px}
    .panel p{margin:8px 0 0; color:var(--muted); font-size:13.5px; line-height:1.7}
    .steps-mini{
      margin-top:12px; display:flex; flex-direction:column; gap:10px;
    }
    .mini{
      display:flex; gap:12px; align-items:flex-start;
      border:1px solid rgba(11,27,51,.08);
      background: rgba(255,255,255,.60);
      border-radius:18px;
      padding:12px 12px;
    }
    .mini .dot2{
      width:34px; height:34px; border-radius:14px;
      background: rgba(11,76,255,.12);
      border:1px solid rgba(11,76,255,.22);
      display:flex; align-items:center; justify-content:center;
      color:var(--primary);
      font-weight:800;
      flex:0 0 auto;
    }
    .mini b{font-size:13.5px}
    .mini span{display:block; margin-top:2px; color:var(--muted); font-size:12.8px; line-height:1.55}
    .cases{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:14px;
      align-items:stretch;
    }
    .case-left{
      border-radius: var(--radius2);
      border:1px solid rgba(11,27,51,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 16px 45px rgba(11,39,88,.08);
      overflow:hidden;
    }
    .case-hero{
      padding:16px;
      background: radial-gradient(900px 280px at 20% 0%, rgba(11,76,255,.16), transparent 55%),
                  radial-gradient(700px 260px at 90% 10%, rgba(0,179,255,.14), transparent 55%),
                  linear-gradient(180deg, rgba(234,242,255,.7), rgba(255,255,255,.70));
      border-bottom:1px solid rgba(11,27,51,.08);
    }
    .case-hero-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px; flex-wrap:wrap;
    }
    .case-hero h3{margin:0; font-size:16px}
    .case-hero p{margin:8px 0 0; color:var(--muted); font-size:13.5px; line-height:1.7}
    .masonry{
      padding:14px 14px 16px;
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap:12px;
    }
    .thumb{
      border-radius:18px;
      border:1px solid rgba(11,27,51,.10);
      background: rgba(255,255,255,.60);
      overflow:hidden;
      transition: transform .18s ease, box-shadow .18s ease;
      display:flex; flex-direction:column;
      min-height:210px;
    }
    .thumb:hover{transform: translateY(-2px); box-shadow: 0 16px 40px rgba(11,39,88,.10)}
    .thumb .imgbox{
      padding:10px;
      display:flex;
      align-items:center;
      justify-content:center;
    }
    .thumb img{
      width:100%;
      height:auto;
      border-radius:14px;
      object-fit:cover;
      border:1px solid rgba(11,27,51,.08);
      background:#fff;
    }
    .thumb .meta{
      padding:0 12px 12px;
      display:flex; flex-direction:column; gap:6px;
    }
    .thumb .meta b{font-size:13.5px; letter-spacing:-.1px}
    .thumb .meta span{color:var(--muted); font-size:12.8px; line-height:1.5}
    .case-right{
      border-radius: var(--radius2);
      border:1px solid rgba(11,27,51,.10);
      background: rgba(255,255,255,.76);
      box-shadow: 0 14px 40px rgba(11,39,88,.08);
      padding:16px;
      display:flex; flex-direction:column; gap:12px;
    }
    .case-right h3{margin:0; font-size:16px}
    .case-right .navlinks{
      display:flex; flex-direction:column; gap:10px;
    }
    .navlink{
      padding:12px 12px;
      border-radius:18px;
      border:1px solid rgba(11,27,51,.08);
      background: rgba(255,255,255,.60);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      cursor:pointer;
    }
    .navlink:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 35px rgba(11,39,88,.10);
      border-color: rgba(11,76,255,.22);
    }
    .navlink b{display:block; font-size:13.5px}
    .navlink span{display:block; margin-top:3px; color:var(--muted); font-size:12.8px; line-height:1.5}
    .article-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .article{
      border-radius: var(--radius);
      border:1px solid rgba(11,27,51,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 28px rgba(11,39,88,.06);
      padding:16px;
      display:flex; flex-direction:column; gap:10px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .article:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 45px rgba(11,39,88,.10);
      border-color: rgba(11,76,255,.22);
    }
    .article .topline{
      display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap;
    }
    .small-badge{
      font-size:12px; font-weight:700;
      border:1px solid rgba(11,76,255,.18);
      background: rgba(234,242,255,.85);
      color:var(--deep);
      padding:7px 10px;
      border-radius:999px;
      white-space:nowrap;
    }
    .article a.read{
      color:var(--primary);
      font-weight:750;
      font-size:13px;
      display:inline-flex; align-items:center; gap:8px;
    }
    .article h3{margin:0; font-size:15px; letter-spacing:-.2px}
    .article p{margin:0; color:var(--muted); font-size:13.5px; line-height:1.7}
    .faq{
      border-radius: var(--radius2);
      border:1px solid rgba(11,27,51,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 16px 45px rgba(11,39,88,.08);
      overflow:hidden;
    }
    .faq .faq-item{
      border-top:1px solid rgba(11,27,51,.08);
      padding:0;
    }
    .faq .faq-item:first-child{border-top:none}
    details.faq-details{
      padding:0 14px;
    }
    details.faq-details summary{
      list-style:none;
      cursor:pointer;
      padding:16px 0;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      user-select:none;
      outline:none;
    }
    details.faq-details summary::-webkit-details-marker{display:none}
    .q{
      display:flex; gap:12px; align-items:flex-start;
    }
    .q .qid{
      width:32px; height:32px; border-radius:14px;
      background: rgba(11,76,255,.10);
      border:1px solid rgba(11,76,255,.20);
      display:flex; align-items:center; justify-content:center;
      color:var(--primary);
      font-weight:850;
      flex:0 0 auto;
      margin-top:2px;
      font-size:13px;
    }
    .q b{
      font-size:14px;
      letter-spacing:-.15px;
      line-height:1.5;
    }
    .chev{
      width:34px; height:34px; border-radius:14px;
      border:1px solid rgba(11,27,51,.10);
      background: rgba(255,255,255,.65);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .18s ease, border-color .18s ease;
      margin-top:-3px;
    }
    details[open] .chev{transform: rotate(180deg); border-color: rgba(11,76,255,.22)}
    .ans{
      padding:0 0 16px 44px;
      color:var(--muted);
      font-size:13.5px; line-height:1.75;
      max-width:90ch;
    }

    .review-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .review{
      border-radius: var(--radius);
      border:1px solid rgba(11,27,51,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 28px rgba(11,39,88,.06);
      padding:16px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      display:flex; flex-direction:column; gap:10px;
      min-height:210px;
    }
    .review:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 45px rgba(11,39,88,.10);
      border-color: rgba(11,76,255,.22);
    }
    .review .who{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .avatar{
      width:42px; height:42px; border-radius:16px;
      border:1px solid rgba(11,27,51,.10);
      background: linear-gradient(135deg, rgba(11,76,255,.14), rgba(0,179,255,.10));
      display:flex; align-items:center; justify-content:center;
      font-weight:900; color:var(--primary);
      flex:0 0 auto;
    }
    .who b{font-size:13.5px}
    .role{
      color:var(--muted2); font-size:12.5px; margin-top:2px; line-height:1.3;
    }
    .review .text{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.75;
    }
    .review .meta{
      margin-top:auto;
      display:flex; flex-wrap:wrap; gap:8px;
    }
    .meta .mini-tag{
      font-size:12px; font-weight:700;
      border:1px solid rgba(11,27,51,.10);
      background: rgba(255,255,255,.62);
      color:var(--deep);
      padding:7px 10px;
      border-radius:999px;
      white-space:nowrap;
    }

    .tag-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .tag-cloud .t{
      border:1px solid rgba(11,27,51,.10);
      background: rgba(255,255,255,.62);
      padding:10px 12px;
      border-radius:16px;
      font-size:13px;
      color:var(--deep);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      cursor:pointer;
      user-select:none;
    }
    .tag-cloud .t:hover{
      transform: translateY(-2px);
      border-color: rgba(11,76,255,.22);
      background: rgba(234,242,255,.85);
    }

    .form{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top:12px;
    }
    .field{
      display:flex; flex-direction:column; gap:8px;
    }
    .field.full{grid-column:1 / -1}
    label{
      font-size:12.5px;
      color:var(--muted);
      font-weight:700;
      letter-spacing:.2px;
    }
    input, select, textarea{
      width:100%;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(11,27,51,.14);
      background: rgba(255,255,255,.80);
      color:var(--text);
      font-size:14px;
      outline:none;
      transition: box-shadow .18s ease, border-color .18s ease;
    }
    textarea{min-height:110px; resize:vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(11,76,255,.40);
      box-shadow: var(--focus);
    }
    .form-actions{
      grid-column:1 / -1;
      display:flex; gap:10px; flex-wrap:wrap; align-items:center; justify-content:space-between;
      margin-top:2px;
    }
    .note{
      color:var(--muted2);
      font-size:12.5px;
      line-height:1.5;
    }

    .footer{
      padding:24px 0 30px;
      border-top:1px solid rgba(11,27,51,.10);
      background: linear-gradient(180deg, rgba(245,250,255,.45), rgba(255,255,255,.75));
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .footer-box{
      border-radius: var(--radius2);
      border:1px solid rgba(11,27,51,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 35px rgba(11,39,88,.07);
      padding:16px;
    }
    .footer-box h3{margin:0; font-size:15px; letter-spacing:-.2px}
    .footer-box p{margin:8px 0 0; color:var(--muted); font-size:13.5px; line-height:1.7}
    .footer-links{
      display:flex; flex-wrap:wrap; gap:10px; margin-top:12px;
    }
    .footer-links a{
      font-size:13px;
      color:var(--primary);
      border:1px solid rgba(11,76,255,.20);
      background: rgba(234,242,255,.70);
      padding:10px 12px;
      border-radius:16px;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
      white-space:nowrap;
    }
    .footer-links a:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 45px rgba(11,76,255,.16);
      background: rgba(234,242,255,.95);
    }
    .copyright{
      margin-top:14px;
      display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:10px;
      color:var(--muted2);
      font-size:12.5px;
    }
    .backtop{
      position:fixed;
      right:16px; bottom:16px;
      z-index:60;
      width:46px; height:46px;
      border-radius:16px;
      border:1px solid rgba(11,27,51,.12);
      background: rgba(255,255,255,.78);
      backdrop-filter: blur(10px);
      box-shadow: 0 12px 35px rgba(11,39,88,.15);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      opacity:0; transform: translateY(10px);
      pointer-events:none;
      transition: opacity .18s ease, transform .18s ease, background .18s ease, border-color .18s ease;
    }
    .backtop.show{opacity:1; transform: translateY(0); pointer-events:auto}
    .backtop:focus{outline:none; box-shadow: var(--focus)}
    .backtop:hover{border-color: rgba(11,76,255,.25); background: rgba(234,242,255,.85)}

    .float-cs{
      position:fixed;
      left:16px; bottom:16px;
      z-index:60;
      display:flex; flex-direction:column; gap:10px; align-items:flex-start;
    }
    .cs-panel{
      border-radius: 20px;
      border:1px solid rgba(11,27,51,.12);
      background: rgba(255,255,255,.78);
      backdrop-filter: blur(12px);
      box-shadow: 0 18px 55px rgba(11,39,88,.16);
      overflow:hidden;
      width:220px;
      transform-origin: left bottom;
      animation: popIn .28s ease both;
    }
    @keyframes popIn{from{transform: translateY(8px) scale(.98); opacity:.0}to{transform: translateY(0) scale(1); opacity:1}}
    .cs-head{
      padding:12px 12px;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      border-bottom:1px solid rgba(11,27,51,.08);
      background: linear-gradient(135deg, rgba(11,76,255,.12), rgba(0,179,255,.08));
    }
    .cs-head b{font-size:13.5px; letter-spacing:-.1px}
    .cs-close{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(11,27,51,.10);
      background: rgba(255,255,255,.70);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .cs-close:hover{transform: translateY(-2px); box-shadow: 0 16px 35px rgba(11,39,88,.10)}
    .cs-body{
      padding:12px 12px 14px;
      display:flex; flex-direction:column; gap:10px;
    }
    .cs-row{
      display:flex; gap:12px; align-items:flex-start;
    }
    .qr{
      width:88px; height:88px;
      border-radius:18px;
      border:1px solid rgba(11,27,51,.10);
      background:#fff;
      display:flex; align-items:center; justify-content:center;
      overflow:hidden;
      flex:0 0 auto;
    }
    .qr img{
      width:100%; height:100%; object-fit:cover;
      display:block;
    }
    .cs-text{
      flex:1;
    }
    .cs-text b{display:block; font-size:13.5px}
    .cs-text span{display:block; margin-top:4px; color:var(--muted); font-size:12.8px; line-height:1.55}
    .cs-actions{
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .cs-actions a{
      flex:1;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(11,76,255,.22);
      background: rgba(234,242,255,.80);
      color:var(--primary);
      font-weight:750;
      font-size:13px;
      text-align:center;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
      white-space:nowrap;
    }
    .cs-actions a:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 45px rgba(11,76,255,.18);
      background: rgba(234,242,255,.98);
    }
    .cs-trigger{
      width:56px; height:56px;
      border-radius:20px;
      border:1px solid rgba(11,27,51,.12);
      background: rgba(255,255,255,.80);
      backdrop-filter: blur(12px);
      box-shadow: 0 18px 55px rgba(11,39,88,.16);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      user-select:none;
    }
    .cs-trigger:hover{
      transform: translateY(-2px);
      border-color: rgba(11,76,255,.25);
      box-shadow: 0 22px 70px rgba(11,39,88,.18);
    }

    .reveal{
      opacity:0; transform: translateY(10px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .reveal.show{
      opacity:1; transform: translateY(0);
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .brand{min-width:auto}
      .menu{display:none}
      .burger{display:flex}
      .mobile-panel{display:block}
      .grid-3{grid-template-columns: 1fr; }
      .steps{grid-template-columns: 1fr 1fr}
      .side-by-side{grid-template-columns: 1fr}
      .cases{grid-template-columns: 1fr}
      .article-grid{grid-template-columns: 1fr}
      .review-grid{grid-template-columns: 1fr}
      .form{grid-template-columns: 1fr}
      .footer-grid{grid-template-columns: 1fr}
      .masonry{grid-template-columns: 1fr}
      .float-cs{left:12px; bottom:12px}
      .cs-panel{width:210px}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .reveal{transition:none}
      .btn, .card, .stat, .thumb, .article, .review, .navlink{transition:none}
      .cs-panel{animation:none}
    }