:root{
      --bg0:#fff;
      --bg1:#fbfaf8;
      --ink:#14171f;
      --muted:#5b6372;
      --line:rgba(20,23,31,.10);
      --card:#ffffff;
      --shadow: 0 18px 45px rgba(16,24,40,.10);
      --shadow2: 0 10px 26px rgba(16,24,40,.10);
      --ring: rgba(0,0,0,.08);
      --brandA:#2563eb;
      --brandB:#7c3aed;
      --brandC:#10b981;
      --brandD:#f59e0b;
      --brandE:#ef4444;
      --grad: linear-gradient(110deg, rgba(37,99,235,.20), rgba(124,58,237,.18), rgba(16,185,129,.16), rgba(245,158,11,.15));
      --grad2: linear-gradient(120deg, rgba(37,99,235,.95), rgba(124,58,237,.95), rgba(16,185,129,.95));
      --grad3: linear-gradient(120deg, rgba(37,99,235,.12), rgba(124,58,237,.10), rgba(16,185,129,.10));
      --btn:#121826;
      --btnText:#fff;
      --link:#1d4ed8;
      --good:#16a34a;
      --warn:#f59e0b;
      --radius:18px;
      --radius2:26px;
      --container: 1160px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color:var(--ink);
      background:
        radial-gradient(1200px 600px at 15% -10%, rgba(124,58,237,.12), transparent 55%),
        radial-gradient(980px 520px at 85% 0%, rgba(37,99,235,.14), transparent 55%),
        radial-gradient(920px 540px at 80% 70%, rgba(16,185,129,.10), transparent 55%),
        linear-gradient(180deg, var(--bg1), #fff 60%);
      background-attachment: fixed;
    }

    .container{
      width: min(var(--container), calc(100% - 32px));
      margin: 0 auto;
    }

    .topbar{
      position:sticky;
      top:0;
      z-index:30;
      backdrop-filter: blur(10px);
      background: rgba(251,250,248,.72);
      border-bottom: 1px solid rgba(20,23,31,.08);
    }
    .topbar-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding: 12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width: 240px;
    }
    .brand img{
      width: 38px;
      height: 38px;
      object-fit: contain;
      filter: drop-shadow(0 8px 16px rgba(124,58,237,.18));
      border-radius: 10px;
      background:#fff;
      padding:6px;
      border:1px solid rgba(20,23,31,.06);
    }
    .brand-title{
      display:flex;
      flex-direction:column;
      line-height:1.05;
    }
    .brand-title strong{
      font-size: 14px;
      letter-spacing:.2px;
    }
    .brand-title span{
      font-size: 12px;
      color: var(--muted);
      margin-top:4px;
    }

    .nav{
      display:flex;
      align-items:center;
      gap:18px;
      justify-content:flex-end;
      flex: 1;
      flex-wrap: nowrap;
      overflow:hidden;
    }
    .nav a{
      text-decoration:none;
      color: rgba(20,23,31,.86);
      font-size: 13px;
      padding: 8px 10px;
      border-radius: 12px;
      transition: background .2s ease, transform .2s ease, color .2s ease;
      white-space: nowrap;
    }
    .nav a:hover{
      background: rgba(37,99,235,.08);
      color: rgba(29,78,216,.95);
      transform: translateY(-1px);
    }

    .top-actions{
      display:flex;
      align-items:center;
      gap:10px;
      justify-content:flex-end;
      min-width: 240px;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      border-radius: 14px;
      padding: 11px 14px;
      border: 1px solid rgba(20,23,31,.10);
      background: #fff;
      color: var(--ink);
      text-decoration:none;
      font-weight: 650;
      font-size: 13px;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      user-select:none;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 10px 26px rgba(16,24,40,.10);
      border-color: rgba(37,99,235,.26);
      background: linear-gradient(180deg, rgba(37,99,235,.06), #fff 60%);
    }

    .btn-primary{
      background: linear-gradient(120deg, rgba(37,99,235,.95), rgba(124,58,237,.95), rgba(16,185,129,.92));
      color:#fff;
      border-color: transparent;
      box-shadow: 0 18px 40px rgba(37,99,235,.18);
    }
    .btn-primary:hover{
      background: linear-gradient(120deg, rgba(37,99,235,1), rgba(124,58,237,1), rgba(16,185,129,1));
      box-shadow: 0 22px 52px rgba(37,99,235,.24);
    }
    .btn-ghost{
      background: rgba(255,255,255,.62);
    }

    .hamburger{
      display:none;
      width: 42px;
      height: 42px;
      border-radius: 14px;
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.75);
      align-items:center;
      justify-content:center;
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .hamburger:hover{transform: translateY(-1px); box-shadow: 0 10px 26px rgba(16,24,40,.10)}
    .hamburger .bars{
      width: 18px; height: 12px; position: relative;
    }
    .hamburger .bars span{
      position:absolute; left:0; right:0; height:2px;
      background: rgba(20,23,31,.86);
      border-radius: 2px;
      transition: transform .18s ease, top .18s ease, opacity .18s ease;
    }
    .hamburger .bars span:nth-child(1){top:0}
    .hamburger .bars span:nth-child(2){top:5px}
    .hamburger .bars span:nth-child(3){top:10px}
    .hamburger[aria-expanded="true"] .bars span:nth-child(1){top:5px; transform: rotate(45deg)}
    .hamburger[aria-expanded="true"] .bars span:nth-child(2){opacity:0}
    .hamburger[aria-expanded="true"] .bars span:nth-child(3){top:5px; transform: rotate(-45deg)}

    .mobile-drawer{
      display:none;
      padding: 0 0 14px 0;
    }
    .mobile-drawer .drawer-panel{
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.78);
      border-radius: 18px;
      padding: 12px;
      box-shadow: 0 18px 44px rgba(16,24,40,.10);
    }
    .mobile-drawer a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      text-decoration:none;
      color: rgba(20,23,31,.92);
      padding: 11px 12px;
      border-radius: 14px;
      font-size: 13px;
      transition: background .2s ease, transform .2s ease;
    }
    .mobile-drawer a:hover{
      background: rgba(37,99,235,.08);
      transform: translateY(-1px);
    }
    .mobile-drawer .drawer-links{
      display:flex;
      flex-direction:column;
      gap:6px;
    }
    .mobile-drawer .drawer-actions{
      display:flex;
      gap:10px;
      margin-top: 12px;
      flex-wrap: wrap;
    }

    .hero{
      padding: 34px 0 22px 0;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 18px;
      align-items: stretch;
    }

    .hero-left{
      border-radius: var(--radius2);
      background:
        radial-gradient(900px 420px at 20% 20%, rgba(37,99,235,.18), transparent 55%),
        radial-gradient(780px 420px at 70% 0%, rgba(124,58,237,.16), transparent 50%),
        radial-gradient(700px 420px at 80% 80%, rgba(16,185,129,.12), transparent 45%),
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.58));
      border:1px solid rgba(20,23,31,.08);
      box-shadow: 0 22px 60px rgba(16,24,40,.10);
      padding: 26px 24px 22px 24px;
      position: relative;
      overflow:hidden;
      transform: translateZ(0);
    }

    .hero-left::after{
      content:"";
      position:absolute; inset:-2px;
      background: var(--grad);
      opacity: .55;
      filter: blur(26px);
      pointer-events:none;
    }
    .hero-left > *{position:relative; z-index:1}

    .pillrow{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      margin-bottom: 14px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding: 9px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.7);
      border: 1px solid rgba(20,23,31,.10);
      font-size: 12px;
      color: rgba(20,23,31,.86);
      white-space: nowrap;
    }
    .dot{
      width: 9px; height: 9px; border-radius: 50%;
      background: var(--grad2);
      box-shadow: 0 0 0 4px rgba(37,99,235,.10);
    }

    .hero h1{
      margin: 0;
      font-size: clamp(22px, 3.2vw, 34px);
      letter-spacing: -0.5px;
      line-height: 1.15;
    }
    .hero-sub{
      margin-top: 12px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
      max-width: 62ch;
    }

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

    .hero-meta{
      margin-top: 16px;
      display:grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 10px;
    }
    .meta-card{
      border-radius: 16px;
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(20,23,31,.10);
      padding: 12px 12px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .meta-card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 40px rgba(16,24,40,.10);
      border-color: rgba(37,99,235,.22);
    }
    .meta-card strong{
      display:block;
      font-size: 14px;
      letter-spacing: .2px;
    }
    .meta-card span{
      display:block;
      font-size: 12px;
      color: var(--muted);
      margin-top: 6px;
      line-height: 1.4;
    }

    .hero-right{
      border-radius: var(--radius2);
      background:
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.58));
      border:1px solid rgba(20,23,31,.08);
      box-shadow: 0 22px 60px rgba(16,24,40,.08);
      padding: 18px;
      display:flex;
      flex-direction:column;
      gap: 12px;
      position: relative;
      overflow:hidden;
    }
    .hero-right::before{
      content:"";
      position:absolute; inset:-2px;
      background: radial-gradient(800px 400px at 20% 10%, rgba(245,158,11,.16), transparent 45%),
                  radial-gradient(700px 420px at 90% 60%, rgba(239,68,68,.14), transparent 45%);
      opacity:.75;
      filter: blur(22px);
      pointer-events:none;
    }
    .hero-right > *{position:relative; z-index:1}

    .right-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .mini-title{
      display:flex;
      flex-direction:column;
      gap:6px;
    }
    .mini-title strong{font-size: 14px}
    .mini-title span{font-size: 12px; color: var(--muted); line-height:1.5}
    .spark{
      width: 46px; height: 46px; border-radius: 16px;
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.68);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 16px 36px rgba(16,24,40,.08);
    }
    .spark svg{width: 22px; height: 22px}

    .token-widget{
      border-radius: 20px;
      background: rgba(255,255,255,.68);
      border:1px solid rgba(20,23,31,.10);
      padding: 14px;
      display:flex;
      flex-direction:column;
      gap: 12px;
    }
    .token-row{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
    }
    .token-row b{
      font-size: 13px;
      letter-spacing: .2px;
    }
    .chip{
      font-size: 12px;
      color: rgba(29,78,216,.95);
      background: rgba(29,78,216,.10);
      border:1px solid rgba(29,78,216,.18);
      padding: 6px 10px;
      border-radius: 999px;
      white-space:nowrap;
    }
    .bar{
      height: 10px;
      border-radius: 999px;
      background: rgba(20,23,31,.08);
      overflow:hidden;
      border:1px solid rgba(20,23,31,.07);
    }
    .bar > i{
      display:block;
      height:100%;
      width: 68%;
      background: var(--grad2);
      border-radius: 999px;
      box-shadow: 0 10px 22px rgba(37,99,235,.22);
      transform-origin: left;
      animation: fillPulse 2.2s ease-in-out infinite;
    }
    @keyframes fillPulse{
      0%{transform: scaleX(.95)}
      50%{transform: scaleX(1)}
      100%{transform: scaleX(.95)}
    }
    .token-help{
      color: var(--muted);
      font-size: 12px;
      line-height: 1.6;
    }

    .quick-actions{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    .qcard{
      border-radius: 18px;
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.72);
      padding: 12px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      cursor:pointer;
    }
    .qcard:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 40px rgba(16,24,40,.10);
      border-color: rgba(124,58,237,.22);
    }
    .qcard .top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .qcard .label{
      font-size: 12px; color: rgba(20,23,31,.86); font-weight: 700;
    }
    .qcard .desc{
      margin-top: 8px;
      font-size: 12px; color: var(--muted); line-height:1.5;
      min-height: 36px;
    }

    main{padding: 10px 0 40px 0}

    section{padding: 18px 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: 18px;
      letter-spacing:-.2px;
    }
    .section-head p{
      margin:0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
      max-width: 64ch;
    }

    .cards-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }
    .card{
      border-radius: var(--radius);
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,23,31,.10);
      padding: 16px;
      box-shadow: 0 16px 40px rgba(16,24,40,.06);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 24px 60px rgba(16,24,40,.10);
      border-color: rgba(37,99,235,.20);
    }
    .card .ico{
      width: 44px; height: 44px; border-radius: 16px;
      border:1px solid rgba(20,23,31,.10);
      display:flex; align-items:center; justify-content:center;
      background: rgba(255,255,255,.80);
      margin-bottom: 12px;
    }
    .card .ico svg{width: 20px; height: 20px}
    .card h3{
      margin: 0 0 8px 0;
      font-size: 14px;
      letter-spacing: -.1px;
    }
    .card p{
      margin:0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.75;
    }
    .card .bul{
      margin-top: 12px;
      display:flex;
      flex-wrap:wrap;
      gap: 8px;
    }
    .tag{
      font-size: 12px;
      padding: 7px 10px;
      border-radius: 999px;
      border:1px solid rgba(20,23,31,.10);
      color: rgba(20,23,31,.86);
      background: rgba(255,255,255,.68);
    }

    .two-col{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items: start;
    }

    .stepper{
      border-radius: var(--radius2);
      background:
        radial-gradient(900px 320px at 15% 0%, rgba(37,99,235,.12), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.75), rgba(255,255,255,.58));
      border:1px solid rgba(20,23,31,.10);
      padding: 16px;
      box-shadow: 0 18px 50px rgba(16,24,40,.06);
    }
    .steps{
      display:flex;
      flex-direction:column;
      gap: 10px;
      margin-top: 12px;
    }
    .step{
      display:flex;
      gap: 12px;
      align-items:flex-start;
      padding: 12px;
      border-radius: 18px;
      border:1px solid rgba(20,23,31,.08);
      background: rgba(255,255,255,.72);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .step:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 40px rgba(16,24,40,.10);
      border-color: rgba(124,58,237,.18);
    }
    .step .num{
      width: 34px; height: 34px;
      border-radius: 14px;
      background: rgba(37,99,235,.10);
      border:1px solid rgba(37,99,235,.18);
      display:flex; align-items:center; justify-content:center;
      font-weight: 800;
      font-size: 13px;
      color: rgba(29,78,216,.95);
      flex: 0 0 auto;
    }
    .step .content b{
      display:block;
      font-size: 13px;
      margin-bottom: 6px;
    }
    .step .content span{
      display:block;
      color: var(--muted);
      font-size: 12.5px;
      line-height: 1.65;
    }

    .comparison{
      border-radius: var(--radius2);
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(20,23,31,.10);
      box-shadow: 0 18px 55px rgba(16,24,40,.06);
      padding: 14px;
      overflow:hidden;
    }
    .scorebar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 12px;
      flex-wrap: wrap;
      padding: 8px 6px 12px 6px;
      border-bottom: 1px solid rgba(20,23,31,.08);
      margin-bottom: 12px;
    }
    .score-left{
      display:flex;
      align-items:center;
      gap: 12px;
      flex-wrap: wrap;
    }
    .stars{
      display:flex; gap: 6px; align-items:center;
    }
    .star{
      width: 22px; height: 22px;
      color: rgba(245,158,11,.95);
      filter: drop-shadow(0 8px 14px rgba(245,158,11,.18));
    }
    .score-left .big{
      display:flex; flex-direction:column;
      line-height:1.05;
    }
    .score-left .big strong{font-size: 18px}
    .score-left .big span{font-size: 12px; color: var(--muted); margin-top:6px}
    .badge-reco{
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid rgba(22,163,74,.22);
      background: rgba(22,163,74,.10);
      color: rgba(22,163,74,.98);
      font-weight: 800;
      font-size: 12px;
    }

    .table-wrap{
      overflow:auto;
      border-radius: 18px;
      border: 1px solid rgba(20,23,31,.08);
    }
    table{
      width:100%;
      border-collapse: collapse;
      min-width: 720px;
      background: rgba(255,255,255,.78);
    }
    thead th{
      text-align:left;
      font-size: 13px;
      color: rgba(20,23,31,.92);
      padding: 12px 12px;
      border-bottom: 1px solid rgba(20,23,31,.08);
      background: linear-gradient(180deg, rgba(37,99,235,.10), rgba(255,255,255,.0));
      position: sticky;
      top:0;
      z-index:1;
    }
    tbody td{
      padding: 12px 12px;
      border-bottom: 1px solid rgba(20,23,31,.06);
      color: rgba(20,23,31,.86);
      font-size: 13px;
      vertical-align: top;
      line-height: 1.6;
    }
    tbody tr:hover td{
      background: rgba(37,99,235,.04);
    }
    .goodline{
      display:flex; gap: 8px; align-items:flex-start;
      color: rgba(22,163,74,.98);
      font-weight: 700;
    }
    .goodline i{
      width: 18px; height: 18px; border-radius: 7px;
      background: rgba(22,163,74,.10);
      border: 1px solid rgba(22,163,74,.25);
      display:inline-flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
      margin-top: 1px;
    }
    .goodline svg{width: 12px; height: 12px}

    .neutral{
      color: rgba(20,23,31,.78);
      font-weight: 650;
    }

    .scenarios{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 10px;
    }
    .scene{
      border-radius: 18px;
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.72);
      padding: 12px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      min-height: 86px;
    }
    .scene:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 40px rgba(16,24,40,.10);
      border-color: rgba(245,158,11,.22);
    }
    .scene b{
      font-size: 13px;
      display:block;
      margin-bottom: 7px;
    }
    .scene span{
      color: var(--muted);
      font-size: 12.5px;
      line-height: 1.6;
      display:block;
    }

    .network{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items: start;
    }
    .network .maplike{
      border-radius: var(--radius2);
      background:
        radial-gradient(900px 320px at 30% 20%, rgba(124,58,237,.14), transparent 55%),
        radial-gradient(700px 300px at 80% 70%, rgba(16,185,129,.12), transparent 50%),
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.58));
      border:1px solid rgba(20,23,31,.10);
      padding: 16px;
      box-shadow: 0 18px 55px rgba(16,24,40,.06);
      position: relative;
      overflow:hidden;
    }
    .maplike::after{
      content:"";
      position:absolute; inset:-40px;
      background:
        radial-gradient(circle at 15% 25%, rgba(37,99,235,.45) 0 3px, transparent 4px),
        radial-gradient(circle at 35% 45%, rgba(124,58,237,.38) 0 3px, transparent 4px),
        radial-gradient(circle at 55% 30%, rgba(16,185,129,.36) 0 3px, transparent 4px),
        radial-gradient(circle at 75% 55%, rgba(245,158,11,.36) 0 3px, transparent 4px),
        radial-gradient(circle at 30% 75%, rgba(239,68,68,.30) 0 3px, transparent 4px);
      opacity:.55;
      pointer-events:none;
      filter: blur(.2px);
    }
    .maplike > *{position:relative; z-index:1}
    .maplike .grid2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      margin-top: 12px;
    }
    .stat{
      border-radius: 18px;
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,23,31,.10);
      padding: 12px;
    }
    .stat strong{display:block; font-size: 14px}
    .stat span{display:block; margin-top:6px; color: var(--muted); font-size: 12.5px; line-height:1.5}

    .listbox{
      border-radius: var(--radius2);
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(20,23,31,.10);
      box-shadow: 0 18px 55px rgba(16,24,40,.06);
      padding: 16px;
    }
    .listbox .rows{
      display:flex; flex-direction:column; gap:10px;
      margin-top: 12px;
    }
    .rowitem{
      display:flex; gap: 12px; align-items:flex-start;
      padding: 12px;
      border-radius: 18px;
      border:1px solid rgba(20,23,31,.08);
      background: rgba(255,255,255,.72);
    }
    .rowitem .bullet{
      width: 34px; height: 34px;
      border-radius: 14px;
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.82);
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
    }
    .rowitem .bullet i{
      width: 10px; height: 10px; border-radius: 50%;
      background: var(--grad2);
      box-shadow: 0 0 0 4px rgba(37,99,235,.10);
    }
    .rowitem b{display:block; font-size: 13px; margin-bottom: 6px}
    .rowitem span{display:block; color: var(--muted); font-size: 12.5px; line-height:1.65}

    .cases{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }
    .case{
      border-radius: var(--radius2);
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,23,31,.10);
      box-shadow: 0 18px 55px rgba(16,24,40,.06);
      padding: 14px;
      display:flex;
      flex-direction:column;
      gap: 12px;
    }
    .case .media{
      border-radius: 20px;
      border:1px solid rgba(20,23,31,.08);
      background: linear-gradient(135deg, rgba(37,99,235,.12), rgba(124,58,237,.10), rgba(16,185,129,.10));
      overflow:hidden;
      aspect-ratio: 16 / 9;
      position: relative;
    }
    .case .media img{
      width:100%; height:100%; object-fit: cover; display:block;
      transform: scale(1.02);
    }
    .case .media::after{
      content:"";
      position:absolute; inset:0;
      background: radial-gradient(600px 220px at 10% 0%, rgba(255,255,255,.50), transparent 60%);
      pointer-events:none;
      opacity:.75;
    }
    .case h3{margin:0; font-size: 14px}
    .case p{margin:0; color: var(--muted); font-size: 13px; line-height:1.75}
    .case .foot{
      display:flex; align-items:center; justify-content:space-between; gap:12px; margin-top:auto;
      flex-wrap:wrap;
    }
    .case .mini-tags{
      display:flex; gap: 8px; flex-wrap:wrap;
    }

    .mini-link{
      text-decoration:none;
      color: rgba(29,78,216,.95);
      font-weight: 800;
      font-size: 13px;
      display:inline-flex;
      align-items:center;
      gap: 8px;
    }
    .mini-link:hover{opacity:.92}
    .mini-link svg{width: 16px; height: 16px}

    .reviews{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }
    .review{
      border-radius: var(--radius2);
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,23,31,.10);
      box-shadow: 0 18px 55px rgba(16,24,40,.06);
      padding: 14px;
      display:flex;
      flex-direction:column;
      gap: 10px;
      min-height: 240px;
    }
    .review .head{
      display:flex; align-items:center; gap: 10px;
    }
    .avatar{
      width: 38px; height: 38px;
      border-radius: 16px;
      border:1px solid rgba(20,23,31,.10);
      background: linear-gradient(135deg, rgba(37,99,235,.12), rgba(124,58,237,.10), rgba(16,185,129,.10));
      display:flex; align-items:center; justify-content:center;
      font-weight: 900;
      color: rgba(29,78,216,.95);
      flex:0 0 auto;
    }
    .review .head b{font-size: 13px}
    .review .head span{display:block; color: var(--muted); font-size: 12px; margin-top:4px}
    .review .text{
      color: rgba(20,23,31,.86);
      font-size: 13px;
      line-height: 1.8;
      margin: 0;
    }
    .review .stamp{
      margin-top:auto;
      display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap;
      padding-top: 6px;
      border-top: 1px solid rgba(20,23,31,.08);
      color: var(--muted);
      font-size: 12.5px;
    }

    .accordion{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .acc-item{
      border-radius: var(--radius2);
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,23,31,.10);
      box-shadow: 0 18px 55px rgba(16,24,40,.06);
      overflow:hidden;
    }
    .acc-btn{
      width:100%;
      text-align:left;
      border:0;
      background: transparent;
      padding: 14px 14px;
      cursor:pointer;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 12px;
      font-weight: 850;
      letter-spacing: -.1px;
      color: rgba(20,23,31,.92);
    }
    .acc-btn span{
      font-size: 13.5px;
      line-height: 1.5;
    }
    .acc-btn i{
      width: 26px; height: 26px;
      border-radius: 11px;
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.72);
      display:inline-flex;
      align-items:center; justify-content:center;
      flex: 0 0 auto;
      transition: transform .18s ease;
      margin-top: 2px;
    }
    .acc-btn[aria-expanded="true"] i{transform: rotate(45deg); border-color: rgba(37,99,235,.22)}
    .acc-panel{
      max-height: 0;
      overflow:hidden;
      transition: max-height .25s ease;
    }
    .acc-panel .inner{
      padding: 0 14px 14px 14px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.8;
    }

    .articles{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .article-list{
      border-radius: var(--radius2);
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,23,31,.10);
      box-shadow: 0 18px 55px rgba(16,24,40,.06);
      padding: 14px;
    }
    .article-list .row{
      display:flex; gap: 12px; align-items:flex-start; justify-content:space-between;
      padding: 12px;
      border-radius: 18px;
      border:1px solid rgba(20,23,31,.08);
      background: rgba(255,255,255,.72);
      margin-top: 10px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .article-list .row:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 40px rgba(16,24,40,.10);
      border-color: rgba(37,99,235,.20);
    }
    .article-list .row:first-child{margin-top:0}
    .article-list .row b{
      font-size: 13.5px;
      display:block;
      line-height:1.5;
    }
    .article-list .row span{
      display:block;
      color: var(--muted);
      font-size: 12.5px;
      margin-top:6px;
      line-height:1.5;
      max-width: 56ch;
    }
    .article-list .row .time{
      color: var(--muted);
      font-size: 12px;
      white-space:nowrap;
      padding-top: 2px;
    }

    .form-card{
      border-radius: var(--radius2);
      background:
        radial-gradient(820px 320px at 15% 0%, rgba(124,58,237,.12), transparent 55%),
        radial-gradient(720px 320px at 85% 60%, rgba(37,99,235,.12), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.80), rgba(255,255,255,.60));
      border:1px solid rgba(20,23,31,.10);
      box-shadow: 0 18px 55px rgba(16,24,40,.06);
      padding: 14px;
      overflow:hidden;
    }
    form{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 10px;
    }
    label{
      display:flex; flex-direction:column; gap: 8px;
      font-size: 13px;
      color: rgba(20,23,31,.88);
      font-weight: 750;
    }
    input, select, textarea{
      width:100%;
      border-radius: 14px;
      border:1px solid rgba(20,23,31,.12);
      padding: 11px 12px;
      font-size: 13px;
      background: rgba(255,255,255,.80);
      outline: none;
      transition: box-shadow .18s ease, border-color .18s ease, transform .18s ease;
      color: rgba(20,23,31,.92);
    }
    textarea{min-height: 110px; resize: vertical; grid-column: 1 / -1}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(37,99,235,.35);
      box-shadow: 0 0 0 4px rgba(37,99,235,.12);
      transform: translateY(-1px);
    }
    .form-actions{
      grid-column: 1 / -1;
      display:flex;
      gap: 12px;
      align-items:center;
      justify-content:space-between;
      flex-wrap:wrap;
      margin-top: 2px;
      border-top: 1px solid rgba(20,23,31,.08);
      padding-top: 12px;
    }
    .privacy{
      color: var(--muted);
      font-size: 12.5px;
      line-height: 1.6;
      max-width: 60ch;
    }
    .form-actions .btn{
      padding: 12px 16px;
      border-radius: 16px;
    }

    .pricingline{
      display:flex; gap: 12px; flex-wrap:wrap; align-items: center;
      justify-content:space-between;
      border-radius: var(--radius2);
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,23,31,.10);
      box-shadow: 0 18px 55px rgba(16,24,40,.06);
      padding: 14px;
    }
    .pricingline .left{
      display:flex; flex-direction:column; gap: 8px;
    }
    .pricingline .left b{
      font-size: 14px;
    }
    .pricingline .left span{
      color: var(--muted);
      font-size: 13px;
      line-height:1.7;
      max-width: 70ch;
    }
    .price-chips{
      display:flex; gap: 10px; flex-wrap:wrap;
      justify-content:flex-end;
    }
    .pc{
      border-radius: 999px;
      padding: 9px 12px;
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.72);
      font-size: 12.5px;
      color: rgba(20,23,31,.86);
      font-weight: 700;
      white-space:nowrap;
    }
    .pc em{font-style: normal; color: rgba(29,78,216,.95)}
    .pc strong{font-style: normal; color: rgba(22,163,74,.98)}

    .timeline{
      border-radius: var(--radius2);
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,23,31,.10);
      box-shadow: 0 18px 55px rgba(16,24,40,.06);
      padding: 14px;
    }
    .timeline .items{
      display:flex; flex-direction:column; gap: 12px;
      margin-top: 12px;
    }
    .titem{
      display:flex; gap: 12px; align-items:flex-start;
      padding: 12px;
      border-radius: 18px;
      border:1px solid rgba(20,23,31,.08);
      background: rgba(255,255,255,.72);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .titem:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 40px rgba(16,24,40,.10);
      border-color: rgba(16,185,129,.20);
    }
    .titem .timebox{
      width: 96px;
      border-radius: 16px;
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.80);
      padding: 10px;
      text-align:center;
      font-weight: 900;
      color: rgba(29,78,216,.95);
      flex:0 0 auto;
    }
    .titem .tcontent b{display:block; font-size: 13.5px; margin-bottom: 6px}
    .titem .tcontent span{display:block; color: var(--muted); font-size: 12.5px; line-height:1.7}

    .tagcloud{
      display:flex; gap: 10px; flex-wrap:wrap;
      margin-top: 12px;
    }
    .cloud{
      border-radius: 999px;
      padding: 9px 12px;
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,23,31,.10);
      font-size: 12.5px;
      color: rgba(20,23,31,.86);
      font-weight: 750;
      transition: transform .18s ease, border-color .18s ease;
      user-select:none;
      cursor: default;
    }
    .cloud:hover{
      transform: translateY(-2px);
      border-color: rgba(124,58,237,.24);
    }

    .footer{
      background: rgba(15,23,42,.96);
      color:#e8eefc;
      border-top: 1px solid rgba(255,255,255,.10);
      margin-top: 24px;
      padding: 24px 0 18px 0;
    }
    .footer .grid{
      display:grid;
      grid-template-columns: 1.2fr .9fr 1fr;
      gap: 14px;
      align-items:start;
    }
    .footer .brandfoot{
      display:flex; gap: 12px; align-items:flex-start;
    }
    .footer .brandfoot img{
      width: 44px; height: 44px; object-fit:contain;
      border-radius: 16px;
      background: rgba(255,255,255,.92);
      padding: 8px;
      border:1px solid rgba(255,255,255,.12);
    }
    .footer h3{
      margin:0;
      font-size: 14px;
      color:#fff;
      letter-spacing:-.1px;
    }
    .footer p{
      margin: 10px 0 0 0;
      color: rgba(232,238,252,.82);
      font-size: 13px;
      line-height: 1.8;
    }
    .footer .footlinks{
      display:flex; flex-direction:column; gap: 10px;
      padding-top: 6px;
    }
    .footer a{
      color: rgba(232,238,252,.88);
      text-decoration:none;
      font-size: 13px;
      display:inline-flex;
      align-items:center;
      gap: 10px;
      transition: color .18s ease, transform .18s ease;
    }
    .footer a:hover{
      color:#fff;
      transform: translateY(-1px);
    }
    .footer .contact{
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
      border-radius: 18px;
      padding: 14px;
    }
    .footer .contact .line{
      display:flex; justify-content:space-between; gap: 12px;
      padding: 10px 0;
      border-bottom:1px solid rgba(255,255,255,.10);
      color: rgba(232,238,252,.86);
      font-size: 13px;
      align-items:flex-start;
    }
    .footer .contact .line:last-child{border-bottom:0}
    .footer .contact b{color:#fff; font-size: 13px}
    .footer .wechat{
      display:flex; gap: 12px; align-items:center; margin-top: 12px;
      flex-wrap:wrap;
    }
    .footer .wechat img{
      width: 74px; height: 74px; border-radius: 18px;
      object-fit: cover;
      border:1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.08);
    }
    .footer .wechat span{
      color: rgba(232,238,252,.82);
      font-size: 13px;
      line-height:1.7;
      flex: 1 1 180px;
    }
    .footer-bottom{
      margin-top: 18px;
      padding-top: 14px;
      border-top: 1px solid rgba(255,255,255,.10);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 12px;
      flex-wrap: wrap;
      color: rgba(232,238,252,.78);
      font-size: 12.5px;
    }
    .footnote{
      display:flex;
      align-items:center;
      gap: 12px;
      flex-wrap:wrap;
    }

    .backtop{
      position: fixed;
      right: 16px;
      bottom: 16px;
      z-index: 60;
      width: 44px;
      height: 44px;
      border-radius: 16px;
      border:1px solid rgba(20,23,31,.12);
      background: rgba(255,255,255,.86);
      box-shadow: 0 18px 45px rgba(16,24,40,.14);
      display:flex;
      align-items:center;
      justify-content:center;
      cursor:pointer;
      transition: transform .18s ease, opacity .18s ease;
      opacity: 0;
      pointer-events:none;
    }
    .backtop.show{
      opacity: 1;
      pointer-events:auto;
    }
    .backtop:hover{transform: translateY(-2px)}
    .backtop svg{width: 18px; height: 18px}

    .float-kefu{
      position: fixed;
      left: 16px;
      bottom: 16px;
      z-index: 60;
      border-radius: 18px;
      border:1px solid rgba(20,23,31,.12);
      background: rgba(255,255,255,.88);
      box-shadow: 0 18px 45px rgba(16,24,40,.14);
      padding: 10px 12px;
      display:flex;
      align-items:center;
      gap: 10px;
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease;
      user-select:none;
    }
    .float-kefu:hover{transform: translateY(-2px); box-shadow: 0 22px 55px rgba(16,24,40,.18)}
    .float-kefu .bubble{
      width: 36px; height: 36px;
      border-radius: 16px;
      background: linear-gradient(120deg, rgba(37,99,235,.18), rgba(124,58,237,.14), rgba(16,185,129,.14));
      border:1px solid rgba(20,23,31,.10);
      display:flex; align-items:center; justify-content:center;
    }
    .float-kefu .bubble svg{width: 18px; height: 18px}
    .float-kefu .t{
      display:flex; flex-direction:column; line-height:1.2;
    }
    .float-kefu .t b{font-size: 13px}
    .float-kefu .t span{font-size: 12px; color: var(--muted); margin-top: 4px}

    .modal{
      position: fixed;
      inset: 0;
      background: rgba(15,23,42,.44);
      display:none;
      align-items:center;
      justify-content:center;
      padding: 18px;
      z-index: 80;
    }
    .modal.show{display:flex}
    .modal .panel{
      width: min(680px, 100%);
      border-radius: 24px;
      background: rgba(255,255,255,.92);
      border:1px solid rgba(255,255,255,.20);
      box-shadow: 0 30px 90px rgba(0,0,0,.25);
      overflow:hidden;
      transform: translateY(6px);
      animation: pop .18s ease forwards;
    }
    @keyframes pop{
      from{transform: translateY(12px); opacity:.92}
      to{transform: translateY(0); opacity:1}
    }
    .modal .head{
      padding: 14px 14px;
      display:flex; align-items:center; justify-content:space-between; gap: 12px;
      border-bottom:1px solid rgba(20,23,31,.08);
      background: linear-gradient(180deg, rgba(37,99,235,.10), rgba(255,255,255,.0));
    }
    .modal .head b{font-size: 14px}
    .modal .close{
      width: 40px; height: 40px;
      border-radius: 16px;
      border:1px solid rgba(20,23,31,.12);
      background:#fff;
      cursor:pointer;
      transition: transform .18s ease;
      display:flex; align-items:center; justify-content:center;
    }
    .modal .close:hover{transform: translateY(-1px)}
    .modal .body{
      padding: 14px;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      align-items:start;
    }
    .modal .body .block{
      border-radius: 20px;
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.75);
      padding: 12px;
    }
    .modal .body .block img{
      width: 100%;
      height: auto;
      border-radius: 16px;
      border:1px solid rgba(20,23,31,.10);
      background:#fff;
      display:block;
    }
    .modal .body .block p{
      margin: 10px 0 0 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }

    .reveal{
      opacity:0;
      transform: translateY(12px);
      transition: opacity .5s ease, transform .5s ease;
    }
    .reveal.show{
      opacity:1;
      transform: translateY(0);
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; gap: 12px}
      .hero-meta{grid-template-columns: 1fr 1fr 1fr}
      .cards-grid{grid-template-columns: 1fr 1fr}
      .scenarios{grid-template-columns: 1fr 1fr}
      .cases{grid-template-columns: 1fr}
      .reviews{grid-template-columns: 1fr}
      .accordion{grid-template-columns: 1fr}
      .articles{grid-template-columns: 1fr}
      .network{grid-template-columns: 1fr}
      form{grid-template-columns: 1fr}
      textarea{grid-column:auto}
      .modal .body{grid-template-columns: 1fr}
      .footer .grid{grid-template-columns: 1fr}
      .nav{display:none}
      .top-actions{min-width:auto}
      .hamburger{display:flex}
      .mobile-drawer{display:block}
      .mobile-drawer[hidden]{display:none}
      .topbar-inner{padding: 10px 0}
      .float-kefu{left: 12px; bottom: 12px}
      .backtop{right: 12px; bottom: 12px}
    }

    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .reveal{transition:none}
      .bar > i{animation:none}
    }