:root{
      --bg:#f6f8fb;
      --card:#ffffff;
      --text:#121826;
      --muted:#556173;
      --muted2:#6f7b8f;
      --line:rgba(18,24,38,.10);
      --shadow:0 14px 40px rgba(16,24,40,.10);
      --shadow2:0 10px 24px rgba(16,24,40,.10);
      --shadow3:0 6px 16px rgba(16,24,40,.10);
      --primary:#0ea5e9;
      --primary2:#2563eb;
      --primary3:#22c55e;
      --accent:#14b8a6;
      --warn:#f59e0b;
      --danger:#ef4444;
      --radius-xl:22px;
      --radius-lg:18px;
      --radius-md:14px;
      --radius-sm:12px;
      --container:1120px;
      --pad:20px;
      --focus:0 0 0 4px rgba(14,165,233,.18);
    }

    *{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", "Noto Sans SC", sans-serif;
      color:var(--text);
      background:
        radial-gradient(1000px 560px at 12% 2%, rgba(37,99,235,.14), transparent 58%),
        radial-gradient(900px 520px at 92% 8%, rgba(20,184,166,.14), transparent 55%),
        linear-gradient(180deg, #f7fbff 0%, var(--bg) 42%, #f4f7fb 100%);
    }

    a{color:inherit; text-decoration:none}
    a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{
      outline:none;
      box-shadow:var(--focus);
      border-color:rgba(14,165,233,.55) !important;
    }

    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 var(--pad);
    }

    .skip-link{
      position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip-link:focus{
      left:12px; top:12px; width:auto; height:auto; padding:10px 12px;
      background:var(--card); border:1px solid var(--line); border-radius:12px;
      box-shadow:var(--shadow3);
      z-index:9999;
    }

    header{
      position:sticky; top:0; z-index:60;
      backdrop-filter:saturate(150%) blur(10px);
      background:rgba(246,248,251,.72);
      border-bottom:1px solid rgba(18,24,38,.08);
    }

    .topbar{
      display:flex; align-items:center; justify-content:space-between;
      gap:14px;
      padding:12px 0;
    }

    .brand{
      display:flex; align-items:center; gap:12px; min-width:180px;
    }
    .brand img{
      width:44px; height:44px; border-radius:14px;
      box-shadow:0 8px 20px rgba(37,99,235,.16);
      background:rgba(255,255,255,.7);
      object-fit:contain;
    }
    .brand-name{
      display:flex; flex-direction:column; line-height:1.15;
    }
    .brand-name strong{
      font-size:14.5px; letter-spacing:.2px;
    }
    .brand-name span{
      font-size:12px; color:var(--muted2);
    }

    nav{
      display:flex; align-items:center; gap:10px;
    }

    .nav-links{
      display:flex; align-items:center; gap:16px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }

    .nav-links a{
      font-size:13px;
      color:rgba(18,24,38,.86);
      padding:8px 10px;
      border-radius:999px;
      border:1px solid transparent;
      transition:transform .18s ease, background .18s ease, border-color .18s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background:rgba(14,165,233,.08);
      border-color:rgba(14,165,233,.22);
      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;
      border:1px solid rgba(18,24,38,.12);
      background:rgba(255,255,255,.75);
      padding:10px 14px;
      font-weight:650;
      font-size:13.5px;
      transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      cursor:pointer;
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-1px); box-shadow:0 10px 22px rgba(16,24,40,.10); border-color:rgba(18,24,38,.18)}
    .btn:active{transform:translateY(0px); box-shadow:none}

    .btn-primary{
      border-color:rgba(37,99,235,.35);
      background: linear-gradient(135deg, rgba(37,99,235,1) 0%, rgba(14,165,233,1) 45%, rgba(20,184,166,1) 100%);
      color:#fff;
      box-shadow:0 16px 40px rgba(37,99,235,.20);
    }
    .btn-primary:hover{
      box-shadow:0 20px 55px rgba(37,99,235,.26);
      border-color:rgba(37,99,235,.55);
      background: linear-gradient(135deg, rgba(37,99,235,1) 0%, rgba(14,165,233,.96) 45%, rgba(20,184,166,.98) 100%);
    }

    .btn-ghost{
      background:rgba(255,255,255,.6);
    }

    .icon-dot{
      width:10px; height:10px; border-radius:50%;
      background:rgba(255,255,255,.9);
      box-shadow:0 0 0 6px rgba(255,255,255,.20);
    }

    .mobile-toggle{
      display:none;
      width:42px; height:42px; border-radius:14px;
      border:1px solid rgba(18,24,38,.12);
      background:rgba(255,255,255,.7);
      cursor:pointer;
      align-items:center; justify-content:center;
      transition:transform .18s ease, background .18s ease;
    }
    .mobile-toggle:hover{transform:translateY(-1px)}
    .burger{width:18px; height:12px; position:relative}
    .burger span{
      position:absolute; left:0; right:0; height:2px; background:rgba(18,24,38,.75); border-radius:2px;
      transition:transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .burger span:nth-child(1){top:0}
    .burger span:nth-child(2){top:5px}
    .burger span:nth-child(3){top:10px}
    .mobile-toggle[aria-expanded="true"] .burger span:nth-child(1){top:5px; transform:rotate(45deg)}
    .mobile-toggle[aria-expanded="true"] .burger span:nth-child(2){opacity:0}
    .mobile-toggle[aria-expanded="true"] .burger span:nth-child(3){top:5px; transform:rotate(-45deg)}

    .mobile-panel{
      display:none;
      border-top:1px solid rgba(18,24,38,.08);
      padding:10px 0 16px;
    }
    .mobile-panel .nav-links{justify-content:flex-start; gap:10px}
    .mobile-panel .nav-links a{padding:10px 12px}

    main{padding-bottom:26px}

    .hero{
      padding:30px 0 10px;
      position:relative;
      overflow:hidden;
    }
    .hero:before{
      content:"";
      position:absolute; inset:-80px -120px auto -120px;
      height:420px;
      background:
        radial-gradient(closest-side at 20% 20%, rgba(37,99,235,.22), transparent 65%),
        radial-gradient(closest-side at 75% 30%, rgba(14,165,233,.22), transparent 64%),
        radial-gradient(closest-side at 55% 75%, rgba(20,184,166,.18), transparent 62%);
      filter:saturate(140%);
      pointer-events:none;
    }

    .hero-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:18px;
      align-items:stretch;
      position:relative;
      z-index:1;
    }

    .hero-card{
      background: linear-gradient(180deg, rgba(255,255,255,.86) 0%, rgba(255,255,255,.72) 100%);
      border:1px solid rgba(18,24,38,.10);
      border-radius:var(--radius-xl);
      padding:22px;
      box-shadow:0 18px 60px rgba(16,24,40,.10);
      position:relative;
      overflow:hidden;
    }
    .hero-card:after{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(560px 260px at 10% 0%, rgba(37,99,235,.20), transparent 55%),
        radial-gradient(520px 240px at 95% 10%, rgba(20,184,166,.18), transparent 52%),
        linear-gradient(135deg, rgba(37,99,235,.08) 0%, transparent 40%, rgba(14,165,233,.06) 100%);
      pointer-events:none;
    }

    .hero-inner{position:relative; z-index:1}
    .pill-row{
      display:flex; flex-wrap:wrap; gap:10px; margin-bottom:14px;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(18,24,38,.10);
      background:rgba(255,255,255,.72);
      color:rgba(18,24,38,.82);
      font-size:12.5px;
      font-weight:650;
    }
    .pill i{
      width:10px; height:10px; border-radius:3px;
      background:linear-gradient(135deg, rgba(37,99,235,1), rgba(14,165,233,1));
      display:inline-block;
      box-shadow:0 0 0 5px rgba(14,165,233,.12);
    }

    h1{
      margin:0;
      font-size:34px;
      letter-spacing:-.6px;
      line-height:1.12;
    }
    .lead{
      margin:12px 0 16px;
      color:var(--muted);
      font-size:15.5px;
      line-height:1.7;
      max-width:58ch;
    }

    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap;
      margin-top:16px;
      align-items:center;
    }

    .micro-row{
      display:flex; gap:14px; flex-wrap:wrap;
      margin-top:18px;
      border-top:1px dashed rgba(18,24,38,.12);
      padding-top:14px;
    }
    .micro{
      display:flex; align-items:center; gap:10px;
      min-width:180px;
    }
    .micro .badge{
      width:40px; height:40px; border-radius:14px;
      background:rgba(14,165,233,.10);
      border:1px solid rgba(14,165,233,.22);
      display:flex; align-items:center; justify-content:center;
    }
    .micro svg{width:20px; height:20px}
    .micro strong{font-size:13.5px}
    .micro span{display:block; font-size:12.5px; color:var(--muted2); margin-top:3px}

    .hero-side{
      display:flex; flex-direction:column; gap:14px;
    }

    .side-top{
      background: linear-gradient(180deg, rgba(18,24,38,.04) 0%, rgba(18,24,38,.02) 100%);
      border:1px solid rgba(18,24,38,.10);
      border-radius:var(--radius-xl);
      padding:16px;
      overflow:hidden;
      position:relative;
    }
    .side-top:before{
      content:"";
      position:absolute; inset:-120px -160px auto -160px;
      height:280px;
      background:
        radial-gradient(closest-side at 30% 20%, rgba(37,99,235,.24), transparent 62%),
        radial-gradient(closest-side at 70% 40%, rgba(20,184,166,.20), transparent 60%);
      pointer-events:none;
    }
    .side-top .side-inner{position:relative; z-index:1}
    .side-title{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      margin-bottom:10px;
    }
    .side-title h2{
      margin:0;
      font-size:15.5px;
      letter-spacing:-.2px;
    }
    .subtle-tag{
      font-size:12px;
      color:rgba(18,24,38,.72);
      background:rgba(255,255,255,.66);
      border:1px solid rgba(18,24,38,.10);
      padding:7px 10px;
      border-radius:999px;
      white-space:nowrap;
    }

    .stats-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
      margin-top:12px;
    }
    .stat{
      background:rgba(255,255,255,.78);
      border:1px solid rgba(18,24,38,.10);
      border-radius:16px;
      padding:12px;
      transition:transform .18s ease, box-shadow .18s ease;
    }
    .stat:hover{transform:translateY(-2px); box-shadow:0 16px 30px rgba(16,24,40,.10)}
    .stat strong{
      font-size:18px;
      letter-spacing:-.4px;
      display:block;
    }
    .stat span{
      display:block;
      margin-top:6px;
      font-size:12.5px;
      color:var(--muted2);
      line-height:1.45;
    }

    .side-bottom{
      background:rgba(255,255,255,.72);
      border:1px solid rgba(18,24,38,.10);
      border-radius:var(--radius-xl);
      padding:14px;
    }
    .list{
      display:flex; flex-direction:column; gap:10px;
      margin-top:8px;
    }
    .li{
      display:flex; gap:10px; align-items:flex-start;
    }
    .check{
      width:22px; height:22px; border-radius:8px;
      background:rgba(34,197,94,.12);
      border:1px solid rgba(34,197,94,.24);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .li strong{font-size:13.5px}
    .li span{display:block; color:var(--muted2); font-size:12.5px; margin-top:3px; line-height:1.45}

    .section{
      padding:18px 0;
    }

    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px;
      margin-bottom:12px;
    }
    .section-head h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.35px;
      line-height:1.2;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.6;
      max-width:60ch;
    }

    .grid-2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:stretch;
    }
    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:12px;
      align-items:stretch;
    }

    .card{
      background:rgba(255,255,255,.76);
      border:1px solid rgba(18,24,38,.10);
      border-radius:var(--radius-xl);
      padding:16px;
      box-shadow:0 10px 30px rgba(16,24,40,.06);
      position:relative;
      overflow:hidden;
    }
    .card:hover .card-glow{
      opacity:1;
      transform:translateY(0);
    }
    .card-glow{
      position:absolute; inset:-60px -60px auto -60px;
      height:180px;
      background: radial-gradient(closest-side at 20% 20%, rgba(37,99,235,.22), transparent 65%);
      opacity:.75;
      transform:translateY(-8px);
      transition:opacity .2s ease, transform .2s ease;
      pointer-events:none;
    }

    .card h3{
      margin:0;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.7;
    }

    .capabilities{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:12px;
    }
    .chip{
      padding:9px 10px;
      border-radius:999px;
      border:1px solid rgba(18,24,38,.10);
      background:rgba(255,255,255,.68);
      font-size:12.5px;
      color:rgba(18,24,38,.78);
      display:inline-flex; align-items:center; gap:8px;
      transition:transform .18s ease, background .18s ease;
    }
    .chip:hover{transform:translateY(-1px); background:rgba(255,255,255,.86)}
    .chip b{
      width:10px; height:10px; border-radius:4px;
      background:linear-gradient(135deg, rgba(37,99,235,1), rgba(20,184,166,1));
      display:inline-block;
    }

    .steps{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:12px;
    }
    .step{
      padding:16px;
      border-radius:var(--radius-xl);
      border:1px solid rgba(18,24,38,.10);
      background:rgba(255,255,255,.74);
      position:relative;
      overflow:hidden;
      min-height:168px;
    }
    .step:before{
      content:"";
      position:absolute; inset:auto -40px -60px -40px;
      height:140px;
      background: radial-gradient(closest-side at 50% 0%, rgba(14,165,233,.18), transparent 70%);
      pointer-events:none;
    }
    .step .kicker{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      position:relative; z-index:1;
    }
    .step .num{
      width:40px; height:40px;
      border-radius:16px;
      border:1px solid rgba(14,165,233,.22);
      background:rgba(14,165,233,.10);
      display:flex; align-items:center; justify-content:center;
      font-weight:800;
      letter-spacing:-.2px;
    }
    .step h3{margin-top:10px; position:relative; z-index:1}
    .step p{margin-top:10px; color:var(--muted); position:relative; z-index:1; font-size:13.5px; line-height:1.7}

    .compare-wrap{
      border-radius:var(--radius-xl);
      border:1px solid rgba(18,24,38,.10);
      background:rgba(255,255,255,.72);
      overflow:hidden;
      box-shadow:0 12px 40px rgba(16,24,40,.06);
    }
    .compare-head{
      padding:16px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      border-bottom:1px solid rgba(18,24,38,.08);
      background: linear-gradient(180deg, rgba(37,99,235,.06) 0%, rgba(255,255,255,.0) 100%);
    }
    .rating{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
      justify-content:flex-end;
    }
    .stars{display:flex; gap:6px}
    .star{
      width:18px; height:18px; display:inline-block;
      background: conic-gradient(from 180deg, rgba(245,158,11,1), rgba(245,158,11,1));
      -webkit-mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="black" d="M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.61L12 2 9.19 8.63 2 9.24l5.46 4.73L5.82 21z"/>') center/contain no-repeat;
      mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="black" d="M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.61L12 2 9.19 8.63 2 9.24l5.46 4.73L5.82 21z"/>') center/contain no-repeat;
    }
    .rating strong{font-size:18px; letter-spacing:-.4px}
    .rating span{color:var(--muted2); font-size:12.5px}

    table{
      width:100%;
      border-collapse:collapse;
      font-size:13.5px;
      background:#fff;
    }
    th, td{
      border-bottom:1px solid rgba(18,24,38,.08);
      padding:12px 14px;
      vertical-align:top;
    }
    th{
      text-align:left;
      font-weight:800;
      color:rgba(18,24,38,.92);
      background:rgba(246,248,251,.75);
    }
    .good{
      display:inline-flex; align-items:center; gap:8px;
      font-weight:750;
      color:rgba(18,24,38,.92);
    }
    .good i{
      width:18px; height:18px; border-radius:7px;
      background:rgba(34,197,94,.14);
      border:1px solid rgba(34,197,94,.26);
      display:inline-flex; align-items:center; justify-content:center;
    }
    .good i svg{width:12px; height:12px}
    .mid{
      color:rgba(18,24,38,.72);
      display:inline-flex; align-items:center; gap:8px;
      font-weight:650;
    }
    .mid i{
      width:18px; height:18px; border-radius:7px;
      background:rgba(245,158,11,.14);
      border:1px solid rgba(245,158,11,.26);
      display:inline-flex; align-items:center; justify-content:center;
    }
    .mid i svg{width:12px; height:12px}
    .bad{
      color:rgba(18,24,38,.70);
      font-weight:650;
      display:inline-flex; align-items:center; gap:8px;
    }
    .bad i{
      width:18px; height:18px; border-radius:7px;
      background:rgba(239,68,68,.12);
      border:1px solid rgba(239,68,68,.22);
      display:inline-flex; align-items:center; justify-content:center;
    }
    .bad i svg{width:12px; height:12px}

    .table-wrap{
      overflow:auto;
      -webkit-overflow-scrolling:touch;
    }

    .timeline{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .timeline .rail{
      padding:16px;
      border-radius:var(--radius-xl);
      border:1px solid rgba(18,24,38,.10);
      background:rgba(255,255,255,.72);
    }
    .rail .line{
      position:relative;
      padding-left:18px;
      margin:6px 0 0;
    }
    .rail .line:before{
      content:"";
      position:absolute; left:8px; top:6px; bottom:6px;
      width:2px; background:linear-gradient(180deg, rgba(37,99,235,.55), rgba(20,184,166,.45));
      border-radius:999px;
    }
    .event{
      position:relative;
      padding:10px 0 10px 8px;
      display:flex; gap:10px; align-items:flex-start;
    }
    .dot{
      width:18px; height:18px;
      border-radius:8px;
      border:1px solid rgba(14,165,233,.26);
      background:rgba(14,165,233,.12);
      position:absolute; left:-1px; top:12px;
      display:flex; align-items:center; justify-content:center;
    }
    .event:not(:last-child){border-bottom:1px dashed rgba(18,24,38,.10)}
    .event strong{font-size:13.5px}
    .event span{display:block; margin-top:4px; color:var(--muted2); font-size:12.5px; line-height:1.5}

    .accordion{
      border-radius:var(--radius-xl);
      border:1px solid rgba(18,24,38,.10);
      background:rgba(255,255,255,.72);
      overflow:hidden;
    }
    .acc-item + .acc-item{border-top:1px solid rgba(18,24,38,.08)}
    .acc-btn{
      width:100%;
      text-align:left;
      padding:14px 16px;
      background:rgba(255,255,255,.75);
      border:0;
      cursor:pointer;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      font-weight:800;
      color:rgba(18,24,38,.92);
      transition:background .18s ease;
    }
    .acc-btn:hover{background:rgba(255,255,255,.95)}
    .acc-btn .q{
      display:flex; align-items:center; gap:10px;
      font-size:14px;
      line-height:1.4;
    }
    .q .qmark{
      width:30px; height:30px; border-radius:12px;
      background:rgba(37,99,235,.10);
      border:1px solid rgba(37,99,235,.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .acc-btn .chev{
      width:34px; height:34px; border-radius:14px;
      border:1px solid rgba(18,24,38,.10);
      background:rgba(255,255,255,.75);
      display:flex; align-items:center; justify-content:center;
      transition:transform .18s ease;
      flex:0 0 auto;
    }
    .acc-item[data-open="true"] .acc-btn .chev{transform:rotate(180deg)}
    .acc-panel{
      max-height:0;
      overflow:hidden;
      transition:max-height .25s ease;
      background:rgba(255,255,255,.85);
    }
    .acc-panel .inner{
      padding:0 16px 14px 56px;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.75;
    }

    .comments-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:12px;
    }
    .comment{
      padding:16px;
      border-radius:var(--radius-xl);
      border:1px solid rgba(18,24,38,.10);
      background:rgba(255,255,255,.74);
      position:relative;
      overflow:hidden;
      transition:transform .18s ease, box-shadow .18s ease;
      min-height:190px;
    }
    .comment:hover{transform:translateY(-2px); box-shadow:0 16px 30px rgba(16,24,40,.10)}
    .comment:before{
      content:"";
      position:absolute; inset:-80px -120px auto -120px;
      height:240px;
      background: radial-gradient(closest-side at 30% 20%, rgba(14,165,233,.18), transparent 62%);
      pointer-events:none;
    }
    .comment .inner{position:relative; z-index:1}
    .person{
      display:flex; align-items:center; gap:12px;
      margin-bottom:10px;
    }
    .avatar{
      width:44px; height:44px; border-radius:16px;
      border:1px solid rgba(18,24,38,.10);
      background: linear-gradient(135deg, rgba(37,99,235,.14), rgba(20,184,166,.12));
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      letter-spacing:-.2px;
    }
    .person strong{display:block; font-size:13.5px}
    .person span{display:block; color:var(--muted2); font-size:12.5px; margin-top:3px}
    .quote{
      color:var(--muted);
      font-size:13.5px;
      line-height:1.75;
      margin:0;
    }
    .badge-row{
      display:flex; flex-wrap:wrap; gap:8px;
      margin-top:12px;
    }
    .mini-badge{
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(18,24,38,.10);
      background:rgba(255,255,255,.70);
      color:rgba(18,24,38,.78);
      white-space:nowrap;
    }

    .case-grid{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap:12px;
      align-items:stretch;
    }
    .case{
      border-radius:var(--radius-xl);
      border:1px solid rgba(18,24,38,.10);
      background:rgba(255,255,255,.74);
      padding:14px;
      transition:transform .18s ease, box-shadow .18s ease;
      display:flex; flex-direction:column; gap:12px;
      min-height:236px;
    }
    .case:hover{transform:translateY(-2px); box-shadow:0 16px 30px rgba(16,24,40,.10)}
    .case-top{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
    }
    .case .tag{
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(18,24,38,.10);
      background:rgba(255,255,255,.70);
      color:rgba(18,24,38,.78);
      white-space:nowrap;
    }
    .case h3{margin:0; font-size:15.5px; letter-spacing:-.2px}
    .case p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.7;
    }
    .case ul{
      margin:0; padding-left:18px; color:rgba(85,97,115,.98);
      font-size:13px; line-height:1.8;
    }
    .case .actions{
      margin-top:auto;
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .link-btn{
      display:inline-flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(18,24,38,.12);
      background:rgba(255,255,255,.70);
      font-weight:750;
      font-size:13px;
      cursor:pointer;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .link-btn:hover{transform:translateY(-1px); box-shadow:0 12px 22px rgba(16,24,40,.10); border-color:rgba(18,24,38,.18)}
    .link-btn svg{width:18px; height:18px}

    .article-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .article-list{
      border-radius:var(--radius-xl);
      border:1px solid rgba(18,24,38,.10);
      background:rgba(255,255,255,.72);
      padding:14px;
    }
    .article-list ul{
      list-style:none; padding:0; margin:0;
      display:flex; flex-direction:column; gap:10px;
    }
    .article-item{
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(18,24,38,.08);
      background:rgba(255,255,255,.80);
      transition:transform .18s ease, box-shadow .18s ease;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .article-item:hover{transform:translateY(-2px); box-shadow:0 16px 30px rgba(16,24,40,.08)}
    .article-item strong{
      display:block;
      font-size:13.5px;
      letter-spacing:-.1px;
      line-height:1.45;
      max-width:42ch;
    }
    .article-item span{
      display:block;
      margin-top:6px;
      font-size:12.5px;
      color:var(--muted2);
    }
    .article-item a{
      flex:0 0 auto;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(18,24,38,.12);
      background:rgba(255,255,255,.70);
      font-weight:800;
      font-size:13px;
      white-space:nowrap;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .article-item a:hover{transform:translateY(-1px); box-shadow:0 12px 22px rgba(16,24,40,.10); border-color:rgba(18,24,38,.18)}

    .side-panel{
      border-radius:var(--radius-xl);
      border:1px solid rgba(18,24,38,.10);
      background:rgba(255,255,255,.72);
      padding:16px;
      position:relative;
      overflow:hidden;
    }
    .side-panel:before{
      content:"";
      position:absolute; inset:-90px -120px auto -120px;
      height:260px;
      background: radial-gradient(closest-side at 30% 20%, rgba(37,99,235,.20), transparent 62%);
      pointer-events:none;
    }
    .side-panel .inner{position:relative; z-index:1}
    .side-panel h3{margin:0; font-size:16px}
    .side-panel p{margin:10px 0 0; color:var(--muted); font-size:13.5px; line-height:1.75}
    .tag-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:12px;
    }
    .tag-cloud .t{
      padding:9px 10px;
      border-radius:999px;
      border:1px solid rgba(18,24,38,.10);
      background:rgba(255,255,255,.70);
      font-size:12.5px; color:rgba(18,24,38,.78);
      transition:transform .18s ease, background .18s ease;
    }
    .tag-cloud .t:hover{transform:translateY(-1px); background:rgba(255,255,255,.90)}
    .network{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top:12px;
    }
    .network .n{
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(18,24,38,.10);
      background:rgba(255,255,255,.78);
    }
    .network .n strong{display:block; font-size:13.5px}
    .network .n span{display:block; color:var(--muted2); font-size:12.5px; margin-top:6px; line-height:1.6}

    .form-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .form-card{
      border-radius:var(--radius-xl);
      border:1px solid rgba(18,24,38,.10);
      background:rgba(255,255,255,.74);
      padding:16px;
      overflow:hidden;
      position:relative;
    }
    .form-card:before{
      content:"";
      position:absolute; inset:auto -160px -160px auto;
      width:260px; height:260px;
      background: radial-gradient(closest-side, rgba(20,184,166,.20), transparent 62%);
      pointer-events:none;
    }
    .form-card .inner{position:relative; z-index:1}
    .form-card h3{margin:0; font-size:16px}
    .form-card p{margin:10px 0 0; color:var(--muted); font-size:13.5px; line-height:1.75}
    form{
      margin-top:14px;
      display:flex; flex-direction:column; gap:10px;
    }
    label{
      display:flex; flex-direction:column; gap:8px;
      font-size:12.5px; color:rgba(18,24,38,.80);
      font-weight:750;
    }
    input, select, textarea{
      width:100%;
      border-radius:14px;
      border:1px solid rgba(18,24,38,.12);
      background:rgba(255,255,255,.86);
      padding:12px 12px;
      font-size:14px;
      color:var(--text);
      transition:border-color .18s ease, box-shadow .18s ease;
    }
    textarea{min-height:110px; resize:vertical}
    .form-actions{
      display:flex; gap:12px; flex-wrap:wrap; align-items:center;
      margin-top:6px;
    }
    .hint{
      color:var(--muted2);
      font-size:12.5px;
      line-height:1.5;
    }

    .footer{
      margin-top:10px;
      border-top:1px solid rgba(18,24,38,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.6) 0%, rgba(246,248,251,.92) 100%);
    }
    .footer-inner{
      padding:18px 0 10px;
    }
    .footer-grid{
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px; flex-wrap:wrap;
    }
    .footer-left{
      max-width:520px;
    }
    .footer-left p{
      margin:10px 0 0; color:var(--muted); font-size:13.5px; line-height:1.8;
    }
    .footer-right{
      min-width:240px;
      display:flex; flex-direction:column; gap:10px;
    }
    .footer-links{
      display:flex; flex-wrap:wrap; gap:10px;
      justify-content:flex-start;
    }
    .footer-links a{
      padding:9px 10px;
      border-radius:999px;
      border:1px solid rgba(18,24,38,.10);
      background:rgba(255,255,255,.72);
      font-size:12.5px;
      color:rgba(18,24,38,.78);
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      white-space:nowrap;
    }
    .footer-links a:hover{transform:translateY(-1px); box-shadow:0 12px 22px rgba(16,24,40,.08); border-color:rgba(18,24,38,.18)}
    .copyright{
      padding:12px 0 18px;
      color:rgba(85,97,115,.92);
      font-size:12.5px;
      border-top:1px dashed rgba(18,24,38,.14);
      margin-top:14px;
    }

    .floating{
      position:fixed; right:14px; bottom:14px;
      z-index:70;
      display:flex; flex-direction:column; gap:10px;
      align-items:flex-end;
      pointer-events:none;
    }
    .float-btn{
      pointer-events:auto;
      width:46px; height:46px; border-radius:18px;
      border:1px solid rgba(18,24,38,.12);
      background:rgba(255,255,255,.82);
      box-shadow:0 18px 50px rgba(16,24,40,.16);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition:transform .18s ease, box-shadow .18s ease;
    }
    .float-btn:hover{transform:translateY(-2px); box-shadow:0 22px 62px rgba(16,24,40,.18)}
    .float-btn svg{width:20px; height:20px}
    .kefu-pop{
      pointer-events:auto;
      width:250px;
      border-radius:18px;
      border:1px solid rgba(18,24,38,.12);
      background:rgba(255,255,255,.90);
      box-shadow:0 24px 70px rgba(16,24,40,.18);
      overflow:hidden;
      opacity:0;
      transform:translateY(10px);
      transition:opacity .2s ease, transform .2s ease;
      display:none;
    }
    .kefu-pop[data-open="true"]{
      display:block;
      opacity:1; transform:translateY(0);
    }
    .kefu-pop .hd{
      padding:12px 14px;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      background: linear-gradient(135deg, rgba(37,99,235,.10), rgba(20,184,166,.10));
      border-bottom:1px solid rgba(18,24,38,.10);
    }
    .kefu-pop .hd strong{font-size:13.5px}
    .kefu-pop .close{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(18,24,38,.12);
      background:rgba(255,255,255,.75);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition:transform .18s ease;
    }
    .kefu-pop .close:hover{transform:translateY(-1px)}
    .kefu-pop img{
      width:100%;
      height:auto;
      display:block;
      background:#fff;
    }
    .kefu-pop .bd{
      padding:10px 14px 12px;
      color:var(--muted);
      font-size:12.5px;
      line-height:1.6;
    }

    .anchor-offset{
      scroll-margin-top:86px;
    }

    .segmented{
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .segmented a{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(18,24,38,.10);
      background:rgba(255,255,255,.70);
      color:rgba(18,24,38,.80);
      font-weight:800;
      font-size:13px;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .segmented a:hover{transform:translateY(-1px); box-shadow:0 12px 22px rgba(16,24,40,.08); border-color:rgba(18,24,38,.18)}
    .segmented a[aria-current="true"]{
      border-color:rgba(14,165,233,.28);
      background:rgba(14,165,233,.10);
      color:rgba(18,24,38,.92);
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns:1fr; }
      h1{font-size:30px}
      .steps{grid-template-columns:1fr 1fr}
      .grid-3{grid-template-columns:1fr 1fr}
      .comments-grid{grid-template-columns:1fr 1fr}
      .case-grid{grid-template-columns:1fr 1fr}
      .article-grid{grid-template-columns:1fr}
      .timeline{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
      .network{grid-template-columns:1fr}
    }

    @media (max-width: 720px){
      :root{--container:1120px; --pad:16px}
      .nav-links{display:none}
      .nav-cta{display:none}
      .mobile-toggle{display:flex}
      .mobile-panel{display:block}
      .hero-card{padding:18px}
      .hero-actions{gap:10px}
      .micro{min-width:140px}
      .stats-grid{grid-template-columns:1fr 1fr}
      .steps{grid-template-columns:1fr}
      .grid-2{grid-template-columns:1fr}
      .grid-3{grid-template-columns:1fr}
      .comments-grid{grid-template-columns:1fr}
      .case-grid{grid-template-columns:1fr}
      .kefu-pop{width:230px}
    }

    .scroll-reveal{
      opacity:0;
      transform:translateY(10px);
      transition:opacity .5s ease, transform .5s ease;
    }
    .scroll-reveal.is-visible{
      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;
    }

    .kbd{
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
      border:1px solid rgba(18,24,38,.12);
      background:rgba(255,255,255,.75);
      padding:2px 6px;
      border-radius:8px;
      font-size:12px;
      color:rgba(18,24,38,.78);
    }