:root{
      --bg0:#ffffff;
      --bg1:#f6f3ff;
      --bg2:#f3fbff;
      --ink:#111827;
      --muted:#5b6475;
      --muted2:#7b879c;
      --line:rgba(17,24,39,.10);
      --card:rgba(255,255,255,.78);
      --card2:rgba(255,255,255,.92);
      --shadow:0 12px 30px rgba(15,23,42,.08);
      --shadow2:0 10px 26px rgba(15,23,42,.10);
      --radius:18px;
      --radius2:24px;

      --a:#6d28d9;  /* 紫 */
      --b:#2563eb;  /* 蓝 */
      --c:#0891b2;  /* 青 */
      --d:#f97316;  /* 橙 */
      --e:#22c55e;  /* 绿 */
      --f:#ef4444;  /* 红 */

      --focus: rgba(37,99,235,.24);
      --btn1: linear-gradient(135deg, #6d28d9 0%, #2563eb 55%, #0891b2 100%);
      --btn2: linear-gradient(135deg, rgba(109,40,217,.95) 0%, rgba(37,99,235,.95) 100%);
      --grad: radial-gradient(900px 450px at 15% 10%, rgba(109,40,217,.18), transparent 60%),
              radial-gradient(800px 420px at 85% 15%, rgba(37,99,235,.16), transparent 58%),
              radial-gradient(900px 520px at 50% 110%, rgba(8,145,178,.12), transparent 55%),
              linear-gradient(180deg, #fff 0%, #f7f4ff 55%, #f4fbff 100%);
    }

    *{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(--ink);
      background: var(--grad);
    }

    a{color:inherit}
    .container{
      width:100%;
      max-width:1160px;
      padding:0 18px;
      margin:0 auto;
    }

    .skip-link{
      position:absolute;
      left:10px; top:10px;
      padding:10px 12px;
      background:#111827;
      color:#fff;
      border-radius:12px;
      transform:translateY(-140%);
      transition:transform .2s ease;
      z-index:9999;
      text-decoration:none;
      font-weight:700;
      letter-spacing:.2px;
    }
    .skip-link:focus{transform:translateY(0); outline: none; box-shadow:0 0 0 4px var(--focus);}

    header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(120%) blur(10px);
      background: rgba(255,255,255,.68);
      border-bottom:1px solid rgba(17,24,39,.08);
    }

    .nav-wrap{display:flex; align-items:center; justify-content:space-between; padding:12px 0; gap:12px;}
    .brand{
      display:flex; align-items:center; gap:10px; min-width:200px;
    }
    .brand .logo{
      width:42px; height:42px;
      border-radius:14px;
      background:linear-gradient(135deg, rgba(109,40,217,.16), rgba(37,99,235,.14));
      border:1px solid rgba(17,24,39,.10);
      display:flex; align-items:center; justify-content:center;
      overflow:hidden;
      flex:0 0 auto;
    }
    .brand .logo img{
      width:100%; height:100%; object-fit:cover;
    }
    .brand .name{display:flex; flex-direction:column; line-height:1.1}
    .brand .name strong{font-size:14px; letter-spacing:.2px}
    .brand .name span{font-size:12px; color:var(--muted)}

    .nav{
      display:flex; align-items:center; gap:14px;
    }

    .nav a{
      text-decoration:none;
      font-size:13px;
      color:rgba(17,24,39,.86);
      padding:10px 10px;
      border-radius:12px;
      transition: background .18s ease, transform .18s ease;
      white-space:nowrap;
    }
    .nav a:hover{
      background: rgba(17,24,39,.05);
      transform: translateY(-1px);
    }
    .nav a:focus{
      outline:none; box-shadow:0 0 0 4px var(--focus);
      background: rgba(37,99,235,.08);
    }

    .nav-right{display:flex; align-items:center; gap:10px; flex-wrap:nowrap; justify-content:flex-end; min-width:220px;}
    .btn{
      appearance:none;
      border:none;
      border-radius:14px;
      cursor:pointer;
      font-weight:800;
      letter-spacing:.2px;
      padding:10px 14px;
      font-size:13px;
      transition: transform .16s ease, box-shadow .16s ease, filter .16s ease, background .16s ease;
      text-decoration:none;
      display:inline-flex;
      align-items:center; gap:10px;
      line-height:1;
      user-select:none;
      white-space:nowrap;
    }
    .btn:focus{outline:none; box-shadow:0 0 0 4px var(--focus);}
    .btn:active{transform: translateY(1px);}

    .btn-primary{
      background: var(--btn1);
      color:#fff;
      box-shadow: 0 10px 22px rgba(37,99,235,.22);
      border:1px solid rgba(255,255,255,.25);
    }
    .btn-primary:hover{filter: brightness(1.02); box-shadow: 0 14px 28px rgba(37,99,235,.25); transform: translateY(-1px);}
    .btn-ghost{
      background: rgba(255,255,255,.70);
      color: rgba(17,24,39,.92);
      border:1px solid rgba(17,24,39,.10);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
    }
    .btn-ghost:hover{background: rgba(255,255,255,.90); transform: translateY(-1px); box-shadow:0 14px 26px rgba(17,24,39,.08);}

    .burger{
      display:none;
      width:44px; height:44px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.75);
      align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .16s ease, background .16s ease;
    }
    .burger:hover{transform: translateY(-1px); background: rgba(255,255,255,.92);}
    .burger:focus{outline:none; box-shadow:0 0 0 4px var(--focus);}
    .burger svg{width:18px; height:18px}

    .mobile-drawer{
      display:none;
      padding:10px 0 18px;
      border-top:1px solid rgba(17,24,39,.08);
    }
    .mobile-links{
      display:flex; flex-direction:column; gap:8px;
      padding:12px 0;
    }
    .mobile-links a{
      text-decoration:none;
      padding:12px 12px;
      border-radius:14px;
      background: rgba(255,255,255,.7);
      border:1px solid rgba(17,24,39,.08);
      color: rgba(17,24,39,.88);
      font-weight:700;
      font-size:13px;
    }
    .mobile-links a:focus{outline:none; box-shadow:0 0 0 4px var(--focus);}

    .hero{
      padding:28px 0 18px;
      position:relative;
      overflow:hidden;
    }

    .hero-grid{
      display:grid;
      grid-template-columns: 1.18fr .82fr;
      gap:18px;
      align-items:start;
    }

    .hero-card{
      background: linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.60));
      border:1px solid rgba(17,24,39,.10);
      box-shadow: var(--shadow);
      border-radius: var(--radius2);
      padding:22px;
      position:relative;
      overflow:hidden;
      min-height: 340px;
    }

    .hero-card:before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(520px 220px at 20% 20%, rgba(109,40,217,.22), transparent 55%),
        radial-gradient(420px 210px at 80% 30%, rgba(37,99,235,.20), transparent 52%),
        radial-gradient(500px 260px at 40% 110%, rgba(8,145,178,.16), transparent 58%);
      pointer-events:none;
      opacity:.95;
    }

    .hero-inner{position:relative; z-index:2;}
    .eyebrow{
      display:inline-flex; align-items:center; gap:10px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
      font-weight:800;
      color: rgba(17,24,39,.88);
      font-size:12px;
      letter-spacing:.25px;
      margin-bottom:14px;
    }
    .dot{
      width:10px; height:10px; border-radius:50%;
      background: var(--btn1);
      box-shadow: 0 0 0 5px rgba(37,99,235,.14);
      flex:0 0 auto;
      animation: pulse 2.2s ease-in-out infinite;
    }
    @keyframes pulse{
      0%,100%{transform:scale(1); opacity:.95}
      50%{transform:scale(1.08); opacity:1}
    }

    h1{
      margin:0;
      font-size:34px;
      letter-spacing:-.6px;
      line-height:1.15;
    }
    .lede{
      margin:12px 0 18px;
      color: var(--muted);
      font-size:15px;
      line-height:1.8;
      max-width: 58ch;
    }

    .hero-actions{
      display:flex; gap:10px; flex-wrap:wrap;
      align-items:center;
      margin-top:14px;
    }
    .mini-note{
      color: var(--muted2);
      font-size:12px;
      margin-top:10px;
      display:flex; align-items:flex-start; gap:10px;
    }
    .mini-note svg{flex:0 0 auto; margin-top:3px}

    .hero-side{
      display:flex;
      flex-direction:column;
      gap:12px;
    }

    .side-panel{
      background: linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.62));
      border:1px solid rgba(17,24,39,.10);
      border-radius: var(--radius2);
      padding:16px;
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
      overflow:hidden;
      position:relative;
    }
    .side-panel:after{
      content:"";
      position:absolute;
      right:-60px; top:-60px;
      width:180px; height:180px;
      border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(249,115,22,.30), rgba(109,40,217,.10), transparent 65%);
      pointer-events:none;
      transform: rotate(12deg);
    }

    .side-title{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
      position:relative; z-index:2;
    }
    .side-title strong{font-size:14px; letter-spacing:.2px}
    .pill{
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      color: rgba(17,24,39,.86);
      font-weight:800;
      white-space:nowrap;
    }

    .metric-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
      position:relative; z-index:2;
    }
    .metric{
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.65);
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
      min-height:86px;
      display:flex; flex-direction:column; justify-content:space-between;
    }
    .metric:hover{transform: translateY(-2px); box-shadow: 0 14px 26px rgba(15,23,42,.10); background: rgba(255,255,255,.85);}
    .metric .k{
      font-size:12px;
      color: var(--muted);
      font-weight:800;
      letter-spacing:.2px;
    }
    .metric .v{
      font-weight:950;
      font-size:20px;
      letter-spacing:-.5px;
    }
    .metric .s{
      font-size:11px;
      color: rgba(17,24,39,.64);
      font-weight:700;
    }

    .spark{
      height:34px;
      width:100%;
      margin-top:10px;
      border-radius:14px;
      background:
        linear-gradient(90deg, rgba(109,40,217,.14), rgba(37,99,235,.12), rgba(8,145,178,.12));
      border:1px solid rgba(17,24,39,.08);
      position:relative; overflow:hidden;
    }
    .spark:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, transparent 0%, rgba(255,255,255,.55) 25%, transparent 55%);
      transform: translateX(-60%);
      animation: shimmer 2.6s ease-in-out infinite;
      opacity:.9;
    }
    @keyframes shimmer{
      0%{transform: translateX(-70%);}
      55%{transform: translateX(70%);}
      100%{transform: translateX(70%);}
    }

    main{padding:10px 0 60px;}
    section{padding:26px 0;}

    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:12px; margin-bottom:14px;
    }
    .section-head h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.35px;
      line-height:1.25;
    }
    .section-head p{
      margin:0;
      color: var(--muted);
      font-size:13px;
      line-height:1.7;
      max-width: 62ch;
    }

    .card{
      background: rgba(255,255,255,.72);
      border:1px solid rgba(17,24,39,.10);
      border-radius: var(--radius);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
    }

    .grid-3{
      display:grid; grid-template-columns: repeat(3, 1fr);
      gap:12px;
    }
    .grid-2{display:grid; grid-template-columns: repeat(2, 1fr); gap:12px;}
    .grid-4{display:grid; grid-template-columns: repeat(4, 1fr); gap:12px;}

    .feature{
      padding:16px;
      position:relative;
      overflow:hidden;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
      min-height: 156px;
    }
    .feature:hover{transform: translateY(-2px); box-shadow: 0 16px 32px rgba(15,23,42,.10); background: rgba(255,255,255,.88);}
    .icon-badge{
      width:42px; height:42px;
      border-radius:16px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(17,24,39,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.55));
      margin-bottom:10px;
      position:relative;
      overflow:hidden;
    }
    .icon-badge:after{
      content:"";
      position:absolute;
      inset:-1px;
      background: conic-gradient(from 220deg, rgba(109,40,217,.35), rgba(37,99,235,.30), rgba(8,145,178,.26), rgba(249,115,22,.22), rgba(109,40,217,.35));
      opacity:.18;
      pointer-events:none;
    }
    .feature h3{
      margin:0;
      font-size:14px;
      letter-spacing:.1px;
      line-height:1.35;
    }
    .feature p{
      margin:8px 0 0;
      color: var(--muted);
      font-size:13px;
      line-height:1.75;
    }

    .timeline{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr 1fr;
      gap:10px;
    }
    .step{
      padding:14px 14px 16px;
      position:relative;
      overflow:hidden;
      transition: transform .18s ease, box-shadow .18s ease;
      min-height: 168px;
    }
    .step:hover{transform: translateY(-2px); box-shadow: 0 16px 32px rgba(15,23,42,.10);}
    .step .num{
      width:34px; height:34px;
      border-radius:14px;
      display:flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(109,40,217,.18), rgba(37,99,235,.14));
      border:1px solid rgba(17,24,39,.10);
      font-weight:950;
      margin-bottom:10px;
      letter-spacing:-.2px;
    }
    .step h3{margin:0; font-size:14px; letter-spacing:.15px;}
    .step p{margin:8px 0 0; color: var(--muted); font-size:13px; line-height:1.75;}

    .compare-wrap{
      overflow:auto;
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
    }
    .compare{
      width:100%;
      border-collapse:collapse;
      min-width: 820px;
    }
    .compare th, .compare td{
      border-bottom:1px solid rgba(17,24,39,.08);
      padding:12px 12px;
      text-align:left;
      vertical-align:top;
    }
    .compare th{
      background: linear-gradient(180deg, rgba(109,40,217,.10), rgba(37,99,235,.06));
      color: rgba(17,24,39,.92);
      font-size:13px;
      font-weight:950;
      letter-spacing:.2px;
      white-space:nowrap;
    }
    .compare td{
      font-size:13px;
      color: rgba(17,24,39,.86);
      line-height:1.7;
    }
    .compare .tag{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      font-weight:900;
      font-size:12px;
      white-space:nowrap;
    }
    .tag .mark{
      width:8px; height:8px;
      border-radius:50%;
      background: var(--btn1);
      box-shadow: 0 0 0 5px rgba(37,99,235,.14);
    }

    .rating-card{
      padding:18px;
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:14px;
      align-items:center;
      margin-top:12px;
    }
    .rating-left h3{margin:0; font-size:16px; letter-spacing:.1px}
    .rating-left p{margin:8px 0 0; color: var(--muted); font-size:13px; line-height:1.8;}
    .stars{
      display:flex; align-items:center; gap:8px; margin-top:10px;
      flex-wrap:wrap;
    }
    .star{
      width:18px; height:18px;
      display:inline-block;
      background: conic-gradient(from 180deg, rgba(109,40,217,.8), rgba(37,99,235,.8), rgba(8,145,178,.8));
      clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
      filter:saturate(1.1);
      opacity:.95;
    }
    .rating-score{
      border-radius:22px;
      border:1px solid rgba(17,24,39,.10);
      background: radial-gradient(420px 200px at 30% 10%, rgba(109,40,217,.18), transparent 60%),
                  radial-gradient(420px 200px at 90% 10%, rgba(37,99,235,.14), transparent 56%),
                  rgba(255,255,255,.78);
      padding:16px;
      box-shadow: 0 16px 32px rgba(15,23,42,.08);
    }
    .rating-score .big{
      font-size:40px;
      font-weight:1000;
      letter-spacing:-.9px;
      line-height:1;
    }
    .rating-score .sub{
      margin-top:6px;
      color: var(--muted);
      font-weight:800;
      font-size:13px;
      line-height:1.6;
    }

    .tabs-grid{
      display:grid;
      grid-template-columns: .92fr 1.08fr;
      gap:12px;
      align-items:start;
    }
    .tab-list{
      padding:12px;
    }
    .tab-list button{
      width:100%;
      text-align:left;
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      cursor:pointer;
      font-weight:900;
      color: rgba(17,24,39,.88);
      transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      margin-bottom:10px;
      outline:none;
    }
    .tab-list button:last-child{margin-bottom:0;}
    .tab-list button:hover{transform: translateY(-2px); box-shadow: 0 16px 32px rgba(15,23,42,.10); background: rgba(255,255,255,.90);}
    .tab-list button[aria-selected="true"]{
      background: linear-gradient(135deg, rgba(109,40,217,.14), rgba(37,99,235,.12), rgba(8,145,178,.10));
      border-color: rgba(37,99,235,.25);
      box-shadow: 0 16px 32px rgba(37,99,235,.12);
    }
    .tab-list .hint{
      color: var(--muted);
      font-size:12px;
      font-weight:800;
      line-height:1.4;
      margin-top:1px;
    }
    .tab-panel{
      padding:16px;
    }
    .tab-panel h3{
      margin:0;
      font-size:15px;
      letter-spacing:.1px;
    }
    .tab-panel p{
      margin:8px 0 12px;
      color: var(--muted);
      font-size:13px;
      line-height:1.8;
    }
    .bullets{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
      margin-top:10px;
    }
    .bullet{
      display:flex; gap:10px; align-items:flex-start;
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.65);
    }
    .bullet svg{flex:0 0 auto; margin-top:2px}
    .bullet strong{font-size:13px}
    .bullet span{
      display:block;
      color: var(--muted);
      font-size:12px;
      line-height:1.6;
      margin-top:4px;
      font-weight:700;
    }

    .faq{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    details{
      background: rgba(255,255,255,.72);
      border:1px solid rgba(17,24,39,.10);
      border-radius: var(--radius);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
      padding:12px 14px;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
    }
    details:hover{transform: translateY(-1px); box-shadow: 0 16px 32px rgba(15,23,42,.10); background: rgba(255,255,255,.90);}
    summary{
      cursor:pointer;
      font-weight:950;
      letter-spacing:.1px;
      font-size:13px;
      list-style:none;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      padding:6px 2px;
    }
    summary::-webkit-details-marker{display:none}
    .chev{
      width:30px; height:30px;
      border-radius:12px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .2s ease;
    }
    details[open] .chev{transform: rotate(180deg);}
    .faq p{
      margin:10px 0 4px;
      color: var(--muted);
      font-size:13px;
      line-height:1.85;
      font-weight:700;
    }

    .comments-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:12px;
    }
    .comment{
      padding:16px;
      min-height: 190px;
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .comment:hover{transform: translateY(-2px); box-shadow: 0 16px 32px rgba(15,23,42,.10);}
    .comment .top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .avatar{
      width:42px; height:42px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: linear-gradient(135deg, rgba(109,40,217,.14), rgba(37,99,235,.12), rgba(8,145,178,.10));
      display:flex; align-items:center; justify-content:center;
      font-weight:1000;
      letter-spacing:-.3px;
      color: rgba(17,24,39,.88);
    }
    .who strong{display:block; font-size:13px; letter-spacing:.1px}
    .who span{display:block; color: var(--muted); font-size:12px; font-weight:800; margin-top:2px; line-height:1.3}
    .score-mini{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      font-weight:950;
      font-size:12px;
      white-space:nowrap;
    }
    .comment .text{
      color: var(--muted);
      font-size:13px;
      line-height:1.85;
      font-weight:700;
      margin-top:10px;
    }

    .case-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:stretch;
    }
    .case{
      padding:16px;
      display:flex; flex-direction:column; gap:12px;
      overflow:hidden;
      position:relative;
      min-height: 220px;
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .case:hover{transform: translateY(-2px); box-shadow: 0 16px 32px rgba(15,23,42,.10);}
    .case:after{
      content:"";
      position:absolute;
      right:-40px; bottom:-60px;
      width:180px; height:180px;
      border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(249,115,22,.22), rgba(109,40,217,.10), transparent 62%);
      pointer-events:none;
    }
    .case .row{display:flex; align-items:flex-start; justify-content:space-between; gap:12px; position:relative; z-index:2;}
    .case h3{margin:0; font-size:15px; letter-spacing:.1px;}
    .case .meta{
      color: var(--muted);
      font-size:12px;
      font-weight:900;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.68);
      padding:8px 10px;
      border-radius:999px;
      white-space:nowrap;
    }
    .case .desc{
      color: var(--muted);
      font-size:13px;
      line-height:1.85;
      font-weight:700;
      position:relative; z-index:2;
    }
    .case .pills{
      display:flex; flex-wrap:wrap; gap:8px; position:relative; z-index:2;
    }
    .chip{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.68);
      font-weight:900;
      font-size:12px;
      color: rgba(17,24,39,.86);
    }

    .article-grid{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap:12px;
    }
    .article{
      padding:16px;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
      min-height: 168px;
      display:flex; flex-direction:column; gap:12px;
    }
    .article:hover{transform: translateY(-2px); box-shadow: 0 16px 32px rgba(15,23,42,.10); background: rgba(255,255,255,.90);}
    .article .kicker{
      color: rgba(17,24,39,.78);
      font-weight:950;
      font-size:12px;
      letter-spacing:.2px;
      display:flex; align-items:center; gap:10px;
    }
    .article .kicker .badge{
      width:10px; height:10px; border-radius:3px;
      background: var(--btn1);
      box-shadow: 0 0 0 5px rgba(37,99,235,.14);
    }
    .article h3{
      margin:0;
      font-size:14px;
      letter-spacing:.1px;
      line-height:1.5;
    }
    .article p{
      margin:0;
      color: var(--muted);
      font-size:13px;
      line-height:1.8;
      font-weight:700;
      flex:1;
    }
    .article a{
      text-decoration:none;
      font-weight:950;
      color: rgba(37,99,235,.98);
      font-size:13px;
      display:inline-flex; align-items:center; gap:8px;
    }
    .article a:hover{transform: translateY(-1px);}

    .form-wrap{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:12px;
      align-items:start;
    }
    form{
      padding:16px;
    }
    label{
      display:block;
      font-weight:950;
      font-size:12px;
      margin:10px 0 8px;
      color: rgba(17,24,39,.86);
    }
    input, select, textarea{
      width:100%;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.78);
      color: rgba(17,24,39,.92);
      font-weight:800;
      font-size:13px;
      outline:none;
      transition: box-shadow .16s ease, border-color .16s ease, background .16s ease;
    }
    textarea{min-height:112px; resize:vertical;}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(37,99,235,.35);
      box-shadow:0 0 0 4px var(--focus);
      background: rgba(255,255,255,.95);
    }

    .form-actions{
      display:flex; gap:10px; align-items:center; flex-wrap:wrap; margin-top:12px;
    }
    .form-note{
      color: var(--muted);
      font-size:12px;
      font-weight:800;
      line-height:1.6;
    }

    .contact-side{
      padding:16px;
      position:relative;
      overflow:hidden;
    }
    .contact-side:before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(520px 200px at 10% 0%, rgba(109,40,217,.18), transparent 60%),
        radial-gradient(480px 220px at 95% 15%, rgba(37,99,235,.16), transparent 58%),
        radial-gradient(500px 280px at 40% 115%, rgba(249,115,22,.12), transparent 58%);
      pointer-events:none;
    }
    .contact-side .inner{position:relative; z-index:2;}
    .contact-side h3{margin:0; font-size:15px; letter-spacing:.1px;}
    .contact-side p{margin:8px 0 14px; color: var(--muted); font-size:13px; line-height:1.85; font-weight:700;}
    .contact-list{
      display:flex; flex-direction:column; gap:10px;
    }
    .contact-item{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.68);
    }
    .contact-item .left{display:flex; gap:10px; align-items:flex-start;}
    .contact-item .left svg{margin-top:2px}
    .contact-item strong{display:block; font-size:13px; letter-spacing:.1px;}
    .contact-item span{display:block; color: var(--muted); font-size:12px; font-weight:800; margin-top:4px; line-height:1.55; word-break:break-word;}
    .qr{
      width:98px; height:98px;
      border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.85);
      padding:6px;
      flex:0 0 auto;
    }
    .qr img{width:100%; height:100%; object-fit:contain; border-radius:14px;}

    .label-cloud{
      display:flex; flex-wrap:wrap; gap:8px;
      margin-top:10px;
    }
    .cloud{
      padding:9px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      font-weight:950;
      font-size:12px;
      color: rgba(17,24,39,.86);
      transition: transform .16s ease, background .16s ease;
    }
    .cloud:hover{transform: translateY(-2px); background: rgba(255,255,255,.92);}

    .network-grid{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap:12px;
    }
    .net{
      padding:16px;
      position:relative;
      overflow:hidden;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
      min-height: 190px;
    }
    .net:hover{transform: translateY(-2px); box-shadow: 0 16px 32px rgba(15,23,42,.10); background: rgba(255,255,255,.90);}
    .net h3{margin:0; font-size:14px; letter-spacing:.1px;}
    .net p{margin:10px 0 0; color: var(--muted); font-size:13px; line-height:1.85; font-weight:700;}
    .net ul{margin:12px 0 0; padding-left:18px; color: rgba(17,24,39,.86); font-weight:800; font-size:13px; line-height:1.9;}
    .net li{margin:3px 0;}

    .pricing-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:stretch;
    }
    .price{
      padding:16px;
      position:relative;
      overflow:hidden;
      min-height: 220px;
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .price:hover{transform: translateY(-2px); box-shadow: 0 16px 32px rgba(15,23,42,.10);}
    .price h3{margin:0; font-size:15px;}
    .price .sub{margin:8px 0 12px; color: var(--muted); font-size:13px; line-height:1.85; font-weight:700;}
    .price .list{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
      margin-top:6px;
    }
    .rowline{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.68);
    }
    .rowline strong{font-size:13px; letter-spacing:.1px}
    .rowline span{color: var(--muted); font-weight:900; font-size:12px; white-space:nowrap;}
    .callout{
      display:flex; gap:12px; align-items:flex-start; margin-top:12px;
      padding:12px;
      border-radius:18px;
      border:1px dashed rgba(37,99,235,.35);
      background: rgba(37,99,235,.06);
    }
    .callout svg{flex:0 0 auto; margin-top:2px}
    .callout strong{display:block; font-size:13px}
    .callout span{display:block; color: var(--muted); font-weight:800; font-size:12px; margin-top:4px; line-height:1.6;}

    .footer{
      background: rgba(255,255,255,.72);
      border-top:1px solid rgba(17,24,39,.10);
      padding:22px 0;
      margin-top:10px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:14px;
      align-items:start;
    }
    .footer h3{margin:0; font-size:14px; letter-spacing:.1px;}
    .footer p{margin:10px 0 0; color: var(--muted); font-size:13px; line-height:1.85; font-weight:700;}
    .footer-links{
      display:flex; flex-direction:column; gap:10px;
      align-items:flex-start;
    }
    .link-row{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
    }
    .f-link{
      text-decoration:none;
      padding:9px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.68);
      font-weight:950;
      font-size:12px;
      color: rgba(17,24,39,.86);
      transition: transform .16s ease, background .16s ease;
      white-space:nowrap;
    }
    .f-link:hover{transform: translateY(-2px); background: rgba(255,255,255,.92);}

    .copyright{
      margin-top:14px;
      padding-top:14px;
      border-top:1px solid rgba(17,24,39,.10);
      color: rgba(17,24,39,.66);
      font-weight:800;
      font-size:12px;
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
    }

    .float-cs{
      position:fixed;
      right:14px;
      bottom:14px;
      z-index:80;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
    }
    .float-btn{
      width:50px; height:50px;
      border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.80);
      box-shadow: 0 14px 28px rgba(15,23,42,.10);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
    }
    .float-btn:hover{transform: translateY(-2px); background: rgba(255,255,255,.95); box-shadow: 0 18px 40px rgba(15,23,42,.14);}
    .float-btn:focus{outline:none; box-shadow:0 0 0 4px var(--focus);}
    .float-pop{
      display:none;
      width:250px;
      padding:12px;
      border-radius:20px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.90);
      box-shadow: 0 18px 40px rgba(15,23,42,.14);
      overflow:hidden;
    }
    .float-pop .pop-top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .float-pop strong{font-size:13px; letter-spacing:.1px;}
    .xbtn{
      width:32px; height:32px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      cursor:pointer;
    }
    .xbtn:focus{outline:none; box-shadow:0 0 0 4px var(--focus);}
    .float-pop p{
      margin:0 0 10px;
      color: var(--muted);
      font-weight:800;
      font-size:12px;
      line-height:1.6;
    }
    .float-pop .row{
      display:flex; gap:10px; align-items:flex-start; justify-content:space-between;
    }
    .float-pop .row .qr{width:84px; height:84px;}
    .float-pop .actions{
      margin-top:10px;
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .float-pop .mini-link{
      flex:1 1 auto;
      text-decoration:none;
      padding:10px 10px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(37,99,235,.06);
      font-weight:950;
      font-size:12px;
      color: rgba(17,24,39,.90);
      text-align:center;
      transition: transform .16s ease, background .16s ease;
    }
    .float-pop .mini-link:hover{transform: translateY(-2px); background: rgba(37,99,235,.10);}

    .to-top{
      width:50px; height:50px;
      border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.80);
      box-shadow: 0 14px 28px rgba(15,23,42,.10);
      cursor:pointer;
      position:fixed;
      left:14px;
      bottom:14px;
      z-index:75;
      display:flex; align-items:center; justify-content:center;
      transform: translateY(90px);
      opacity:0;
      transition: opacity .2s ease, transform .2s ease;
    }
    .to-top.show{opacity:1; transform: translateY(0);}
    .to-top:focus{outline:none; box-shadow:0 0 0 4px var(--focus);}

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

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      h1{font-size:30px}
      .nav{display:none;}
      .burger{display:flex;}
      .mobile-drawer{display:block;}
      .mobile-drawer.is-open{display:block;}
      .mobile-drawer{max-height: 0; overflow:hidden; transition: max-height .25s ease;}
      .mobile-drawer.is-open{max-height: 420px; padding-bottom:18px;}
      .nav-right{min-width:auto}
      .rating-card{grid-template-columns: 1fr; align-items:stretch;}
      .grid-3{grid-template-columns: 1fr 1fr;}
      .timeline{grid-template-columns: 1fr 1fr;}
      .faq{grid-template-columns: 1fr;}
      .comments-grid{grid-template-columns: 1fr;}
      .case-grid{grid-template-columns: 1fr;}
      .article-grid{grid-template-columns: 1fr;}
      .tabs-grid{grid-template-columns: 1fr;}
      .bullets{grid-template-columns: 1fr;}
      .form-wrap{grid-template-columns: 1fr;}
      .network-grid{grid-template-columns: 1fr;}
      .pricing-grid{grid-template-columns: 1fr;}
      .footer-grid{grid-template-columns: 1fr;}
    }

    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .reveal{opacity:1; transform:none}
      .dot, .spark:before{animation:none}
      .btn, .metric, .feature, .step, .comment, .article, .case, .net{transition:none}
    }