:root{
      --bg: #f7f5ff;
      --paper: #ffffff;
      --ink: #1f2937;
      --muted:#5b6474;
      --border: rgba(20, 26, 36, 0.10);
      --shadow: 0 18px 50px rgba(17, 24, 39, 0.10);
      --shadow2: 0 10px 26px rgba(17, 24, 39, 0.10);
      --radius: 18px;
      --radius2: 14px;
      --brand1:#6d5efc;
      --brand2:#20c997;
      --brand3:#ff5ea8;
      --brand4:#ffb020;
      --link:#2563eb;
      --focus: rgba(109, 94, 252, 0.35);
      --grad: linear-gradient(135deg, rgba(109, 94, 252, 0.18), rgba(32, 201, 151, 0.14), rgba(255, 94, 168, 0.12));
      --grad2: radial-gradient(1000px 500px at 20% -10%, rgba(109,94,252,0.28), rgba(109,94,252,0.00) 60%),
               radial-gradient(900px 480px at 75% 0%, rgba(32,201,151,0.20), rgba(32,201,151,0.00) 60%),
               radial-gradient(840px 520px at 50% 20%, rgba(255,94,168,0.16), rgba(255,94,168,0.00) 58%);
      --grad3: linear-gradient(120deg, rgba(109,94,252,0.95), rgba(32,201,151,0.92));
    }
    *{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", sans-serif;
      color:var(--ink);
      background: var(--bg);
    }
    a{color:inherit; text-decoration:none}
    img{max-width:100%; height:auto; display:block}
    .container{
      width:100%;
      max-width:1160px;
      margin:0 auto;
      padding:0 18px;
    }
    .skip{
      position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip:focus{
      left:14px; top:14px; width:auto; height:auto; padding:10px 12px;
      background:var(--paper); border:1px solid var(--border); border-radius:12px; z-index:9999;
      box-shadow: var(--shadow2);
    }

    header{
      position:sticky; top:0; z-index:50;
      background: rgba(247,245,255,0.78);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(20,26,36,0.08);
    }
    .nav-wrap{
      display:flex; align-items:center; justify-content:space-between;
      padding:14px 0;
      gap:14px;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width: 220px;
    }
    .brand img{
      width:44px; height:44px; border-radius:14px;
      box-shadow: 0 10px 22px rgba(109,94,252,0.22);
      background: rgba(255,255,255,0.8);
    }
    .brand .brand-txt{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand .brand-name{
      font-weight:800; letter-spacing:0.2px; font-size:14px;
    }
    .brand .brand-sub{
      font-size:12px; color:var(--muted);
      max-width: 220px;
      white-space: nowrap; overflow:hidden; text-overflow: ellipsis;
    }

    nav{
      display:flex; align-items:center; gap:10px; flex-wrap:nowrap;
    }
    .nav-links{
      display:flex; align-items:center; gap:8px;
      padding:6px;
      border-radius:999px;
      background: rgba(255,255,255,0.55);
      border:1px solid rgba(20,26,36,0.08);
    }
    .nav-links a{
      font-size:13px; color:rgba(31,41,55,0.90);
      padding:9px 10px; border-radius:999px;
      transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
      white-space: nowrap;
    }
    .nav-links a:hover{
      background: rgba(109,94,252,0.10);
      box-shadow: 0 10px 18px rgba(109,94,252,0.12);
      transform: translateY(-1px);
    }

    .nav-cta{
      display:flex; align-items:center; gap:10px;
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center;
      gap:10px;
      padding:12px 14px;
      border-radius:14px;
      border:1px solid rgba(20,26,36,0.12);
      background: rgba(255,255,255,0.75);
      color: rgba(31,41,55,0.95);
      font-weight:700;
      font-size:14px;
      cursor:pointer;
      transition: transform .16s ease, box-shadow .16s ease, background .16s ease, border-color .16s ease;
      user-select:none;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 14px 28px rgba(17,24,39,0.10);
      border-color: rgba(109,94,252,0.28);
    }
    .btn:active{transform: translateY(0px)}
    .btn:focus{outline:none; box-shadow: 0 0 0 4px var(--focus), 0 14px 28px rgba(17,24,39,0.10)}
    .btn-primary{
      background: var(--grad3);
      border-color: rgba(255,255,255,0.18);
      color:#fff;
      box-shadow: 0 18px 42px rgba(109,94,252,0.25);
    }
    .btn-primary:hover{
      box-shadow: 0 22px 58px rgba(109,94,252,0.30);
    }
    .btn-ghost{
      background: rgba(255,255,255,0.60);
    }
    .btn-small{
      padding:10px 12px;
      border-radius:12px;
      font-size:13px;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      border-radius:999px;
      padding:8px 10px;
      border: 1px dashed rgba(20,26,36,0.18);
      background: rgba(255,255,255,0.55);
      color: rgba(31,41,55,0.92);
      font-weight:700;
      font-size:12px;
      white-space: nowrap;
    }
    .dot{
      width:9px; height:9px; border-radius:50%;
      background: linear-gradient(135deg, var(--brand3), var(--brand1));
      box-shadow: 0 0 0 4px rgba(255,94,168,0.18);
      flex:0 0 auto;
    }

    .mobile-toggle{
      display:none;
      border-radius:14px;
      width:44px; height:44px;
      border:1px solid rgba(20,26,36,0.12);
      background: rgba(255,255,255,0.7);
      cursor:pointer;
      align-items:center; justify-content:center;
      transition: transform .16s ease;
    }
    .mobile-toggle:active{transform: scale(0.98)}
    .burger{
      width:18px; height:12px; position:relative;
    }
    .burger span{
      position:absolute; left:0; right:0; height:2px; border-radius:2px;
      background: rgba(31,41,55,0.85);
      transition: transform .18s ease, top .18s ease, opacity .18s ease;
    }
    .burger span:nth-child(1){top:0}
    .burger span:nth-child(2){top:5px}
    .burger span:nth-child(3){top:10px}
    .mobile-open .burger span:nth-child(1){top:5px; transform: rotate(45deg)}
    .mobile-open .burger span:nth-child(2){opacity:0}
    .mobile-open .burger span:nth-child(3){top:5px; transform: rotate(-45deg)}

    .mobile-panel{
      display:none;
      padding: 10px 0 14px;
    }
    .mobile-panel .panel-inner{
      border:1px solid rgba(20,26,36,0.10);
      background: rgba(255,255,255,0.72);
      border-radius:16px;
      padding: 10px;
      box-shadow: 0 18px 50px rgba(17,24,39,0.08);
    }
    .mobile-panel a{
      display:flex; align-items:center; justify-content:space-between;
      padding: 12px 12px;
      border-radius: 12px;
      font-weight: 800;
      font-size: 14px;
      color: rgba(31,41,55,0.92);
    }
    .mobile-panel a:hover{
      background: rgba(109,94,252,0.10);
    }
    .chev{
      width:10px; height:10px; border-right:2px solid rgba(31,41,55,0.55); border-top:2px solid rgba(31,41,55,0.55);
      transform: rotate(45deg);
      flex:0 0 auto;
      margin-left:12px;
    }

    .hero{
      position:relative;
      overflow:hidden;
      padding: 34px 0 18px;
      background: var(--grad2);
      border-bottom: 1px solid rgba(20,26,36,0.06);
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.12fr 0.88fr;
      gap: 18px;
      align-items: start;
      padding: 18px 0 26px;
    }
    .hero-left{
      padding: 8px 0;
    }
    .hero-h1{
      margin: 10px 0 10px;
      font-size: 36px;
      line-height:1.15;
      letter-spacing: -0.5px;
      font-weight: 900;
    }
    .hero-lead{
      margin: 0 0 18px;
      color: rgba(31,41,55,0.78);
      font-size: 15.5px;
      line-height:1.75;
      max-width: 60ch;
    }
    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap; align-items:center;
      margin: 16px 0 18px;
    }
    .hero-meta{
      display:flex; gap:10px; flex-wrap:wrap;
      align-items:center;
      margin-top: 10px;
    }
    .meta-item{
      display:flex; align-items:flex-start; gap:10px;
      padding: 10px 12px;
      background: rgba(255,255,255,0.62);
      border:1px solid rgba(20,26,36,0.08);
      border-radius: 16px;
      min-width: 220px;
    }
    .meta-icon{
      width:34px; height:34px; border-radius:14px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(109,94,252,0.12);
      border:1px solid rgba(109,94,252,0.20);
      color: rgba(109,94,252,0.95);
      flex:0 0 auto;
    }
    .meta-item:nth-child(2) .meta-icon{
      background: rgba(32,201,151,0.12);
      border-color: rgba(32,201,151,0.22);
      color: rgba(16,145,106,0.98);
    }
    .meta-item:nth-child(3) .meta-icon{
      background: rgba(255,176,32,0.14);
      border-color: rgba(255,176,32,0.26);
      color: rgba(180,110,0,0.98);
    }
    .meta-item strong{font-size:13px}
    .meta-item span{display:block; font-size:12.5px; color: var(--muted); margin-top:2px}

    .hero-right{
      position:relative;
    }
    .scribble{
      position:absolute; inset:-40px -30px auto -30px;
      height: 340px;
      pointer-events:none;
      opacity: 0.9;
      filter: saturate(1.05);
    }
    .hero-card{
      position:relative;
      background: rgba(255,255,255,0.74);
      border: 1px solid rgba(20,26,36,0.10);
      border-radius: var(--radius);
      box-shadow: 0 26px 80px rgba(17,24,39,0.10);
      padding: 16px;
      overflow:hidden;
    }
    .hero-card::before{
      content:"";
      position:absolute; inset:-2px -2px auto -2px;
      height: 86px;
      background: linear-gradient(90deg, rgba(109,94,252,0.22), rgba(32,201,151,0.18), rgba(255,94,168,0.14));
      border-bottom: 1px solid rgba(20,26,36,0.08);
    }
    .hero-card-inner{
      position:relative;
      display:flex; flex-direction:column; gap:12px;
      padding-top: 8px;
    }
    .stack-title{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-top: 6px;
    }
    .stack-title h3{
      margin:0;
      font-size:15px;
      letter-spacing:0.2px;
    }
    .badge{
      display:inline-flex; align-items:center; gap:8px;
      padding: 8px 10px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 900;
      background: rgba(109,94,252,0.12);
      border: 1px solid rgba(109,94,252,0.22);
      color: rgba(67,56,203,0.98);
      white-space: nowrap;
    }
    .badge b{
      background: rgba(255,255,255,0.7);
      border: 1px solid rgba(109,94,252,0.22);
      padding: 2px 8px;
      border-radius: 999px;
      color: rgba(67,56,203,0.98);
      font-size: 12px;
    }

    .metric-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 12px;
    }
    .metric{
      background: rgba(255,255,255,0.72);
      border:1px solid rgba(20,26,36,0.08);
      border-radius: 16px;
      padding: 12px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      will-change: transform;
    }
    .metric:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 40px rgba(17,24,39,0.10);
      border-color: rgba(109,94,252,0.25);
    }
    .metric .k{
      display:flex; align-items:center; gap:10px;
      margin-bottom: 6px;
    }
    .metric .icon{
      width:34px; height:34px; border-radius:14px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(32,201,151,0.12);
      border:1px solid rgba(32,201,151,0.20);
      color: rgba(16,145,106,0.98);
    }
    .metric:nth-child(2) .icon{background: rgba(255,176,32,0.14); border-color: rgba(255,176,32,0.26); color: rgba(180,110,0,0.98)}
    .metric:nth-child(3) .icon{background: rgba(109,94,252,0.12); border-color: rgba(109,94,252,0.22); color: rgba(67,56,203,0.98)}
    .metric:nth-child(4) .icon{background: rgba(255,94,168,0.12); border-color: rgba(255,94,168,0.22); color: rgba(197,44,118,0.98)}
    .metric .val{
      font-weight: 950; font-size: 18px; letter-spacing:-0.2px;
    }
    .metric .desc{
      color: var(--muted); font-size: 12.5px; line-height:1.5;
    }

    .hero-card .quick-actions{
      display:flex; gap:10px; flex-wrap:wrap;
      padding-top: 2px;
    }
    .hero-card .hint{
      color: var(--muted);
      font-size: 12.5px;
      line-height:1.6;
      margin: 2px 0 0;
    }

    section{
      padding: 28px 0;
    }
    .section-title{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px;
      margin-bottom: 14px;
    }
    .section-title h2{
      margin:0;
      font-size: 22px;
      letter-spacing:-0.2px;
      font-weight: 950;
    }
    .section-title p{
      margin:0;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.6;
      max-width: 52ch;
    }
    .card{
      background: rgba(255,255,255,0.78);
      border:1px solid rgba(20,26,36,0.10);
      border-radius: var(--radius);
      box-shadow: 0 18px 60px rgba(17,24,39,0.06);
    }
    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 14px;
    }
    .grid-4{
      display:grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap: 12px;
    }
    .soft{
      background: rgba(255,255,255,0.65);
      border:1px solid rgba(20,26,36,0.08);
      border-radius: 16px;
      padding: 14px;
    }
    .soft h3{margin:10px 0 6px; font-size: 15.5px; font-weight: 950; letter-spacing:-0.1px}
    .soft p{margin:0; color: var(--muted); font-size: 13.5px; line-height:1.7}

    .cap-list{
      display:grid;
      grid-template-columns: repeat(6, minmax(0,1fr));
      gap:10px;
      margin-top: 10px;
    }
    .tag{
      padding: 10px 10px;
      border-radius: 16px;
      border:1px solid rgba(20,26,36,0.10);
      background: rgba(255,255,255,0.70);
      font-weight: 900;
      font-size: 12.5px;
      color: rgba(31,41,55,0.92);
      display:flex; align-items:center; gap:10px;
      min-height: 44px;
    }
    .tag i{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, var(--brand1), var(--brand2));
      box-shadow: 0 0 0 4px rgba(109,94,252,0.14);
      flex:0 0 auto;
    }
    .tag:nth-child(2) i{background: linear-gradient(135deg, var(--brand2), var(--brand4))}
    .tag:nth-child(3) i{background: linear-gradient(135deg, var(--brand4), var(--brand3))}
    .tag:nth-child(4) i{background: linear-gradient(135deg, var(--brand3), var(--brand1))}
    .tag:nth-child(5) i{background: linear-gradient(135deg, var(--brand1), var(--brand3))}
    .tag:nth-child(6) i{background: linear-gradient(135deg, var(--brand2), var(--brand1))}

    .steps{
      display:grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap: 12px;
      align-items: stretch;
    }
    .step{
      position:relative;
      padding: 16px;
      border-radius: var(--radius);
      border:1px solid rgba(20,26,36,0.10);
      background: rgba(255,255,255,0.78);
      overflow:hidden;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .step:hover{
      transform: translateY(-2px);
      box-shadow: 0 20px 60px rgba(17,24,39,0.10);
      border-color: rgba(109,94,252,0.24);
    }
    .step::after{
      content:"";
      position:absolute; inset:auto -30px -30px auto;
      width: 130px; height: 130px;
      border-radius: 50%;
      background: radial-gradient(circle at 30% 30%, rgba(109,94,252,0.22), rgba(109,94,252,0.00) 55%),
                  radial-gradient(circle at 60% 50%, rgba(32,201,151,0.18), rgba(32,201,151,0.00) 58%);
      opacity: 0.9;
      pointer-events:none;
    }
    .step .num{
      display:inline-flex; align-items:center; justify-content:center;
      width:36px; height:36px;
      border-radius: 14px;
      font-weight: 1000;
      background: rgba(109,94,252,0.12);
      border: 1px solid rgba(109,94,252,0.22);
      color: rgba(67,56,203,0.98);
      margin-bottom: 10px;
      position:relative;
    }
    .step h3{
      margin:0 0 6px;
      font-size: 15.5px;
      font-weight: 950;
      letter-spacing:-0.1px;
      position:relative;
    }
    .step p{margin:0; color: var(--muted); font-size: 13.5px; line-height:1.7; position:relative}

    .compare{
      overflow:auto;
      border-radius: var(--radius);
      border:1px solid rgba(20,26,36,0.10);
      background: rgba(255,255,255,0.78);
      box-shadow: 0 18px 60px rgba(17,24,39,0.06);
    }
    table{
      width:100%;
      border-collapse: collapse;
      min-width: 820px;
    }
    thead th{
      text-align:left;
      font-size: 13.5px;
      color: rgba(31,41,55,0.92);
      padding: 14px 14px;
      border-bottom: 1px solid rgba(20,26,36,0.08);
      background: linear-gradient(90deg, rgba(109,94,252,0.12), rgba(32,201,151,0.08), rgba(255,94,168,0.06));
      position: sticky; top: 0;
      z-index: 1;
    }
    tbody td{
      padding: 12px 14px;
      border-bottom: 1px solid rgba(20,26,36,0.07);
      color: rgba(31,41,55,0.90);
      vertical-align: top;
      font-size: 13.5px;
      line-height: 1.65;
    }
    tbody tr:last-child td{border-bottom:none}
    .score{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
    }
    .stars{
      display:flex; gap:3px; align-items:center;
    }
    .star{
      width:14px; height:14px; display:inline-block;
      background: conic-gradient(from 180deg, var(--brand1), var(--brand3), var(--brand4), var(--brand2));
      clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
      filter: drop-shadow(0 6px 10px rgba(109,94,252,0.15));
    }
    .score b{font-size: 20px; letter-spacing:-0.2px}
    .score span{color: var(--muted); font-weight: 800; font-size: 12.5px}

    .two-col{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items: start;
    }
    .services{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 14px;
    }
    .service-card{
      padding: 16px;
      border-radius: var(--radius);
      border:1px solid rgba(20,26,36,0.10);
      background: rgba(255,255,255,0.78);
      overflow:hidden;
      position:relative;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .service-card:hover{
      transform: translateY(-2px);
      box-shadow: 0 22px 70px rgba(17,24,39,0.10);
      border-color: rgba(32,201,151,0.24);
    }
    .service-card::before{
      content:"";
      position:absolute; inset:-40px -40px auto auto;
      width: 140px; height: 140px;
      border-radius: 50%;
      background: radial-gradient(circle at 30% 30%, rgba(32,201,151,0.20), rgba(32,201,151,0.00) 60%),
                  radial-gradient(circle at 60% 50%, rgba(109,94,252,0.18), rgba(109,94,252,0.00) 62%);
      pointer-events:none;
      opacity: 0.95;
    }
    .service-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px; position:relative;
    }
    .service-icon{
      width:44px; height:44px; border-radius: 18px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(109,94,252,0.12);
      border: 1px solid rgba(109,94,252,0.22);
      color: rgba(67,56,203,0.98);
      flex:0 0 auto;
    }
    .service-card:nth-child(2) .service-icon{background: rgba(32,201,151,0.12); border-color: rgba(32,201,151,0.22); color: rgba(16,145,106,0.98)}
    .service-card:nth-child(3) .service-icon{background: rgba(255,94,168,0.12); border-color: rgba(255,94,168,0.22); color: rgba(197,44,118,0.98)}
    .service-card h3{
      margin: 12px 0 6px; font-size: 15.8px; font-weight: 950; position:relative;
    }
    .service-card p{
      margin:0; color: var(--muted); font-size: 13.5px; line-height:1.7; position:relative;
    }
    .bullets{
      margin: 10px 0 0; padding: 0; list-style:none; display:flex; flex-direction:column; gap:8px; position:relative;
    }
    .bullets li{
      display:flex; gap:10px; align-items:flex-start;
      color: rgba(31,41,55,0.90);
      font-size: 13px;
      line-height:1.5;
    }
    .check{
      width:18px; height:18px; border-radius: 7px;
      background: rgba(109,94,252,0.12);
      border:1px solid rgba(109,94,252,0.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top: 1px;
    }
    .check svg{width:12px; height:12px; color: rgba(67,56,203,0.98)}
    .service-card:nth-child(2) .check{background: rgba(32,201,151,0.12); border-color: rgba(32,201,151,0.22)}
    .service-card:nth-child(2) .check svg{color: rgba(16,145,106,0.98)}
    .service-card:nth-child(3) .check{background: rgba(255,94,168,0.12); border-color: rgba(255,94,168,0.22)}
    .service-card:nth-child(3) .check svg{color: rgba(197,44,118,0.98)}

    .network{
      display:grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 14px;
      align-items: start;
    }
    .map-card{
      padding: 16px;
      border-radius: var(--radius);
      border:1px solid rgba(20,26,36,0.10);
      background: rgba(255,255,255,0.78);
      overflow:hidden;
      position:relative;
    }
    .map-card::before{
      content:"";
      position:absolute; inset:-60px -60px auto auto;
      width: 220px; height: 220px;
      border-radius: 50%;
      background: radial-gradient(circle at 30% 30%, rgba(109,94,252,0.20), rgba(109,94,252,0.00) 60%),
                  radial-gradient(circle at 60% 55%, rgba(255,176,32,0.16), rgba(255,176,32,0.00) 62%);
      pointer-events:none;
      opacity: 0.95;
    }
    .map-visual{
      height: 220px;
      border-radius: 18px;
      border:1px dashed rgba(20,26,36,0.16);
      background:
        radial-gradient(800px 260px at 10% 10%, rgba(109,94,252,0.18), rgba(109,94,252,0) 55%),
        radial-gradient(700px 240px at 80% 20%, rgba(32,201,151,0.14), rgba(32,201,151,0) 58%),
        linear-gradient(180deg, rgba(255,255,255,0.55), rgba(255,255,255,0.30));
      position:relative;
      overflow:hidden;
    }
    .gridlines{
      position:absolute; inset:0;
      background:
        linear-gradient(transparent 23px, rgba(20,26,36,0.06) 24px),
        linear-gradient(90deg, transparent 23px, rgba(20,26,36,0.06) 24px);
      background-size: 24px 24px;
      opacity: 0.5;
      pointer-events:none;
    }
    .node{
      position:absolute;
      width: 12px; height: 12px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--brand1), var(--brand2));
      box-shadow: 0 0 0 5px rgba(109,94,252,0.14), 0 14px 30px rgba(109,94,252,0.18);
      transform: translate(-50%,-50%);
    }
    .ring{
      position:absolute; inset:-12px;
      border-radius: 50%;
      border: 2px solid rgba(109,94,252,0.25);
      opacity:0;
      animation: pulse 2.2s ease infinite;
    }
    @keyframes pulse{
      0%{transform: scale(0.65); opacity:0}
      20%{opacity:0.7}
      100%{transform: scale(1.25); opacity:0}
    }
    .route{
      position:absolute; inset:0; pointer-events:none;
      opacity:0.9;
      filter: drop-shadow(0 10px 18px rgba(109,94,252,0.12));
    }
    .map-card h3{margin: 14px 0 6px; font-size: 16px; font-weight: 950}
    .map-card p{margin:0; color: var(--muted); font-size: 13.5px; line-height:1.7; position:relative}

    .side-cards{
      display:flex; flex-direction:column; gap:12px;
    }
    .side{
      padding: 14px;
      border-radius: var(--radius);
      border:1px solid rgba(20,26,36,0.10);
      background: rgba(255,255,255,0.78);
    }
    .side h3{margin: 0 0 8px; font-size: 15.5px; font-weight: 950}
    .side ul{margin:0; padding:0; list-style:none; display:flex; flex-direction:column; gap:10px}
    .side li{
      display:flex; gap:10px; align-items:flex-start; color: rgba(31,41,55,0.90);
      font-size: 13.5px; line-height:1.6;
    }
    .side li .bullet-dot{
      width: 10px; height: 10px; border-radius: 50%;
      background: rgba(109,94,252,0.18);
      border:1px solid rgba(109,94,252,0.30);
      margin-top: 6px;
      flex:0 0 auto;
    }
    .side:nth-child(2) .bullet-dot{background: rgba(32,201,151,0.16); border-color: rgba(32,201,151,0.28)}
    .side:nth-child(2) .tagline strong{color: rgba(16,145,106,0.98)}
    .tagline{
      color: var(--muted);
      font-size: 13px; line-height:1.7;
      margin: 0;
    }
    .tagline strong{color: rgba(67,56,203,0.98)}
    .tagline .em{
      font-weight: 950;
      color: rgba(31,41,55,0.95);
    }

    .cases{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 14px;
    }
    .case-card{
      padding: 16px;
      border-radius: var(--radius);
      border:1px solid rgba(20,26,36,0.10);
      background: rgba(255,255,255,0.78);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      display:flex; flex-direction:column; gap:10px;
      min-height: 210px;
    }
    .case-card:hover{
      transform: translateY(-2px);
      box-shadow: 0 24px 70px rgba(17,24,39,0.10);
      border-color: rgba(255,94,168,0.22);
    }
    .case-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .case-chip{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(20,26,36,0.10);
      background: rgba(255,255,255,0.65);
      font-weight: 950;
      font-size: 12.5px;
      white-space: nowrap;
    }
    .case-card:nth-child(1) .case-chip{border-color: rgba(109,94,252,0.20); background: rgba(109,94,252,0.10); color: rgba(67,56,203,0.98)}
    .case-card:nth-child(2) .case-chip{border-color: rgba(32,201,151,0.22); background: rgba(32,201,151,0.10); color: rgba(16,145,106,0.98)}
    .case-card:nth-child(3) .case-chip{border-color: rgba(255,94,168,0.22); background: rgba(255,94,168,0.10); color: rgba(197,44,118,0.98)}
    .case-card h3{
      margin:0;
      font-size: 15.8px;
      font-weight: 950;
      letter-spacing:-0.1px;
    }
    .case-card p{
      margin:0;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.7;
    }
    .case-foot{
      margin-top:auto;
      display:flex; gap:10px; flex-wrap:wrap; align-items:center; justify-content:space-between;
    }
    .case-stats{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
    }
    .mini{
      padding: 8px 10px;
      border-radius: 14px;
      border:1px solid rgba(20,26,36,0.10);
      background: rgba(255,255,255,0.66);
      color: rgba(31,41,55,0.92);
      font-weight: 950;
      font-size: 12.5px;
    }
    .mini span{
      color: var(--muted);
      font-weight: 900;
      margin-right: 6px;
    }
    .link-arrow{
      font-weight: 950; color: rgba(37,99,235,0.95);
      display:inline-flex; align-items:center; gap:8px;
      padding: 10px 12px; border-radius: 14px;
      border:1px solid rgba(37,99,235,0.16);
      background: rgba(37,99,235,0.06);
      transition: transform .16s ease, background .16s ease;
      white-space: nowrap;
    }
    .link-arrow:hover{transform: translateY(-1px); background: rgba(37,99,235,0.10)}
    .arrow{
      width:10px; height:10px;
      border-right:2px solid rgba(37,99,235,0.85);
      border-top:2px solid rgba(37,99,235,0.85);
      transform: rotate(45deg);
      margin-left:2px;
    }

    .reviews{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 14px;
    }
    .review-card{
      padding: 16px;
      border-radius: var(--radius);
      border:1px solid rgba(20,26,36,0.10);
      background: rgba(255,255,255,0.78);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      display:flex; flex-direction:column; gap:10px;
      min-height: 220px;
    }
    .review-card:hover{
      transform: translateY(-2px);
      box-shadow: 0 24px 70px rgba(17,24,39,0.10);
      border-color: rgba(32,201,151,0.22);
    }
    .review-head{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
    }
    .avatar{
      width:44px; height:44px; border-radius: 18px;
      background: linear-gradient(135deg, rgba(109,94,252,0.18), rgba(32,201,151,0.16), rgba(255,94,168,0.12));
      border:1px solid rgba(20,26,36,0.10);
      display:flex; align-items:center; justify-content:center;
      font-weight: 1000;
      color: rgba(31,41,55,0.88);
      flex:0 0 auto;
    }
    .review-who{
      display:flex; flex-direction:column; gap:2px;
    }
    .review-who strong{font-size: 14px; font-weight: 1000}
    .review-who span{font-size: 12.5px; color: var(--muted); font-weight: 800}
    .review-stars{
      display:flex; gap:2px;
    }
    .review-stars .s{
      width:12px; height:12px;
      background: linear-gradient(135deg, var(--brand1), var(--brand3));
      clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
      filter: drop-shadow(0 10px 18px rgba(109,94,252,0.12));
      opacity: 0.95;
    }
    .review-text{
      margin:0; color: var(--muted); font-size: 13.5px; line-height:1.8;
    }
    .review-foot{
      margin-top:auto;
      display:flex; justify-content:space-between; align-items:center; gap:12px;
      padding-top: 4px;
    }
    .date{
      color: var(--muted);
      font-size: 12.5px;
      font-weight: 900;
    }

    .accordion{
      display:flex; flex-direction:column; gap:10px;
    }
    .acc-item{
      border-radius: var(--radius);
      border:1px solid rgba(20,26,36,0.10);
      background: rgba(255,255,255,0.78);
      overflow:hidden;
    }
    .acc-btn{
      width:100%;
      text-align:left;
      cursor:pointer;
      border:none;
      background: transparent;
      padding: 14px 14px;
      display:flex; align-items:center; justify-content:space-between; gap:14px;
      font-weight: 1000;
      font-size: 14px;
      color: rgba(31,41,55,0.95);
    }
    .acc-btn:focus{outline:none; box-shadow: inset 0 0 0 3px var(--focus)}
    .acc-btn .q{
      display:flex; align-items:flex-start; gap:12px;
    }
    .q .qmark{
      width:26px; height:26px; border-radius: 12px;
      background: rgba(109,94,252,0.12);
      border:1px solid rgba(109,94,252,0.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top: 1px;
      color: rgba(67,56,203,0.98);
      font-weight: 1000;
      font-size: 14px;
    }
    .acc-btn[aria-expanded="true"] .q .qmark{
      background: rgba(32,201,151,0.12);
      border-color: rgba(32,201,151,0.22);
      color: rgba(16,145,106,0.98);
    }
    .acc-chevron{
      width:12px; height:12px; border-right:2px solid rgba(31,41,55,0.50); border-top:2px solid rgba(31,41,55,0.50);
      transform: rotate(45deg);
      transition: transform .18s ease;
      flex:0 0 auto;
    }
    .acc-btn[aria-expanded="true"] .acc-chevron{transform: rotate(225deg)}
    .acc-panel{
      max-height: 0;
      overflow:hidden;
      transition: max-height .25s ease;
      border-top: 1px solid rgba(20,26,36,0.08);
      background: rgba(255,255,255,0.70);
    }
    .acc-panel .acc-content{
      padding: 12px 14px 14px;
      color: rgba(31,41,55,0.82);
      font-size: 13.5px;
      line-height:1.8;
    }

    .articles{
      display:grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 14px;
      align-items: start;
    }
    .article-list{
      padding: 14px;
      border-radius: var(--radius);
      border:1px solid rgba(20,26,36,0.10);
      background: rgba(255,255,255,0.78);
    }
    .article-head{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-bottom: 8px;
    }
    .article-head h3{margin:0; font-size: 16px; font-weight: 1000}
    .article-head a{
      font-weight: 950;
      color: rgba(37,99,235,0.95);
      font-size: 13px;
      padding: 8px 10px;
      border-radius: 14px;
      background: rgba(37,99,235,0.06);
      border:1px solid rgba(37,99,235,0.14);
      white-space: nowrap;
    }
    .article-items{
      display:flex; flex-direction:column; gap:10px;
      margin-top: 10px;
    }
    .article-item{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      padding: 12px 12px;
      border-radius: 16px;
      border:1px solid rgba(20,26,36,0.08);
      background: rgba(255,255,255,0.66);
      transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
    }
    .article-item:hover{
      transform: translateY(-1px);
      border-color: rgba(109,94,252,0.22);
      box-shadow: 0 18px 46px rgba(17,24,39,0.08);
    }
    .article-item strong{
      font-weight: 1000; font-size: 13.8px; line-height:1.5;
    }
    .article-item span{
      color: var(--muted);
      font-weight: 900;
      font-size: 12.2px;
      white-space: nowrap;
      margin-top: 2px;
    }

    .topic-cloud{
      padding: 14px;
      border-radius: var(--radius);
      border:1px solid rgba(20,26,36,0.10);
      background: rgba(255,255,255,0.78);
      overflow:hidden;
      position:relative;
    }
    .topic-cloud::before{
      content:"";
      position:absolute; inset:-60px auto auto -60px;
      width: 180px; height: 180px;
      border-radius: 50%;
      background: radial-gradient(circle at 35% 35%, rgba(255,94,168,0.18), rgba(255,94,168,0.00) 60%),
                  radial-gradient(circle at 60% 55%, rgba(109,94,252,0.14), rgba(109,94,252,0.00) 62%);
      pointer-events:none;
      opacity: 0.95;
    }
    .topic-cloud h3{margin:0; font-size: 16px; font-weight: 1000; position:relative}
    .cloud{
      position:relative;
      margin-top: 12px;
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .chip{
      padding: 10px 12px;
      border-radius: 999px;
      border:1px solid rgba(20,26,36,0.10);
      background: rgba(255,255,255,0.66);
      color: rgba(31,41,55,0.92);
      font-weight: 950;
      font-size: 12.5px;
      transition: transform .16s ease, border-color .16s ease, background .16s ease;
      cursor:pointer;
      user-select:none;
    }
    .chip:hover{
      transform: translateY(-1px);
      border-color: rgba(32,201,151,0.25);
      background: rgba(32,201,151,0.08);
    }
    .chip:focus{outline:none; box-shadow: 0 0 0 4px var(--focus)}
    .chip.active{
      border-color: rgba(109,94,252,0.30);
      background: rgba(109,94,252,0.10);
    }

    form{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 12px;
      align-items:start;
    }
    .form-card{
      padding: 16px;
      border-radius: var(--radius);
      border:1px solid rgba(20,26,36,0.10);
      background: rgba(255,255,255,0.78);
      overflow:hidden;
      position:relative;
    }
    .form-card::before{
      content:"";
      position:absolute; inset:-80px -80px auto auto;
      width: 220px; height: 220px;
      border-radius: 50%;
      background: radial-gradient(circle at 30% 30%, rgba(109,94,252,0.22), rgba(109,94,252,0.00) 60%),
                  radial-gradient(circle at 65% 55%, rgba(255,94,168,0.16), rgba(255,94,168,0.00) 62%);
      pointer-events:none;
      opacity: 0.95;
    }
    .form-card h3{margin:0 0 10px; font-size: 16px; font-weight: 1000; position:relative}
    label{
      display:flex; flex-direction:column; gap:8px;
      font-size: 12.8px; color: rgba(31,41,55,0.84);
      font-weight: 900;
      position:relative;
    }
    input, select, textarea{
      width:100%;
      border-radius: 14px;
      border:1px solid rgba(20,26,36,0.12);
      background: rgba(255,255,255,0.76);
      padding: 12px 12px;
      font-size: 14px;
      color: rgba(31,41,55,0.92);
      outline:none;
      transition: box-shadow .16s ease, border-color .16s ease, transform .16s ease;
    }
    textarea{min-height: 110px; resize: vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(109,94,252,0.35);
      box-shadow: 0 0 0 4px var(--focus);
    }
    .span-2{grid-column: span 2}
    .form-actions{
      display:flex; align-items:center; justify-content:space-between; gap:12px; grid-column: span 2;
      margin-top: 4px;
      flex-wrap:wrap;
      position:relative;
    }
    .fineprint{
      color: var(--muted);
      font-size: 12.5px;
      line-height:1.6;
      font-weight: 800;
      max-width: 48ch;
    }
    .toast{
      position: fixed;
      left: 50%;
      bottom: 22px;
      transform: translateX(-50%);
      background: rgba(17,24,39,0.90);
      color: #fff;
      border:1px solid rgba(255,255,255,0.16);
      padding: 12px 14px;
      border-radius: 16px;
      box-shadow: 0 26px 70px rgba(17,24,39,0.30);
      z-index: 200;
      opacity: 0;
      pointer-events:none;
      transition: opacity .18s ease, transform .18s ease;
      max-width: calc(100vw - 28px);
    }
    .toast.show{
      opacity: 1;
      transform: translateX(-50%) translateY(-2px);
    }

    footer{
      padding: 24px 0 30px;
      background: #0b1220;
      color: #e5e7eb;
      margin-top: 10px;
      border-top: 1px solid rgba(255,255,255,0.08);
    }
    .footer-top{
      display:grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 14px;
      align-items:start;
    }
    .footer-card{
      background: rgba(255,255,255,0.06);
      border:1px solid rgba(255,255,255,0.10);
      border-radius: var(--radius);
      padding: 16px;
    }
    .footer-brand{
      display:flex; align-items:center; gap:12px;
      margin-bottom: 10px;
    }
    .footer-brand img{
      width:46px; height:46px; border-radius: 18px;
      border:1px solid rgba(255,255,255,0.14);
      background: rgba(255,255,255,0.06);
    }
    .footer-brand strong{font-size: 16px; font-weight: 1000}
    .footer-brand span{display:block; color: rgba(229,231,235,0.76); font-weight: 800; font-size: 12.8px; margin-top: 3px}
    .footer-card p{
      margin:0;
      color: rgba(229,231,235,0.80);
      font-size: 13.5px;
      line-height:1.8;
    }
    .footer-links{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 10px;
      margin-top: 12px;
    }
    .footer-links a{
      padding: 10px 12px;
      border-radius: 14px;
      border:1px solid rgba(255,255,255,0.12);
      background: rgba(255,255,255,0.06);
      color: rgba(229,231,235,0.92);
      font-weight: 950;
      font-size: 12.8px;
      transition: transform .16s ease, background .16s ease;
      white-space: nowrap;
    }
    .footer-links a:hover{
      transform: translateY(-1px);
      background: rgba(255,255,255,0.10);
    }
    .footer-right h3{
      margin:0 0 10px;
      font-size: 14.5px;
      font-weight: 1000;
    }
    .wechat-row{
      display:flex; gap:12px; align-items:flex-start;
      flex-wrap:wrap;
    }
    .wechat-row .qr{
      width: 120px;
      border-radius: 18px;
      border:1px solid rgba(255,255,255,0.14);
      background: rgba(255,255,255,0.06);
      padding: 10px;
    }
    .wechat-row .qr img{width:100%; height:auto}
    .wechat-row .info{
      flex:1;
      min-width: 220px;
    }
    .info .contact-line{
      display:flex; gap:10px; align-items:flex-start; margin: 8px 0;
      color: rgba(229,231,235,0.86);
      font-weight: 900;
      font-size: 13px;
      line-height: 1.6;
    }
    .info .k{
      width: 32px; height: 32px; border-radius: 14px;
      border:1px solid rgba(255,255,255,0.12);
      background: rgba(255,255,255,0.06);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top: 1px;
      color: rgba(229,231,235,0.90);
    }
    .footer-bottom{
      margin-top: 14px;
      display:flex; justify-content:space-between; align-items:center; gap:12px; flex-wrap:wrap;
      color: rgba(229,231,235,0.74);
      font-size: 12.5px;
      font-weight: 850;
    }
    .copy{
      display:flex; gap:12px; align-items:center; flex-wrap:wrap;
    }
    .backTop{
      border:1px solid rgba(255,255,255,0.14);
      background: rgba(255,255,255,0.06);
      color: rgba(229,231,235,0.92);
      padding: 10px 12px;
      border-radius: 14px;
      font-weight: 1000;
      cursor:pointer;
      transition: transform .16s ease, background .16s ease;
      user-select:none;
      white-space: nowrap;
    }
    .backTop:hover{
      transform: translateY(-1px);
      background: rgba(255,255,255,0.10);
    }

    .floating{
      position: fixed;
      right: 16px;
      bottom: 16px;
      z-index: 160;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
    }
    .float-btn{
      width: 48px; height: 48px;
      border-radius: 18px;
      border:1px solid rgba(20,26,36,0.12);
      background: rgba(255,255,255,0.78);
      box-shadow: 0 16px 50px rgba(17,24,39,0.12);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
      position:relative;
      overflow:hidden;
    }
    .float-btn:hover{
      transform: translateY(-2px);
      border-color: rgba(109,94,252,0.26);
      box-shadow: 0 22px 70px rgba(17,24,39,0.14);
    }
    .float-btn:focus{outline:none; box-shadow: 0 0 0 4px var(--focus), 0 22px 70px rgba(17,24,39,0.14)}
    .float-tip{
      position:absolute;
      right: 56px;
      white-space: nowrap;
      background: rgba(17,24,39,0.92);
      color: #fff;
      padding: 9px 10px;
      border-radius: 14px;
      font-size: 12.5px;
      font-weight: 900;
      border:1px solid rgba(255,255,255,0.14);
      opacity:0;
      transform: translateY(2px);
      pointer-events:none;
      transition: opacity .18s ease, transform .18s ease;
    }
    .float-btn:hover .float-tip{
      opacity:1;
      transform: translateY(0px);
    }

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

    .section-spacer{padding: 14px 0 0}
    .divider{
      height:1px;
      background: rgba(20,26,36,0.08);
      margin: 12px 0;
    }

    .badge-row{
      display:flex; gap:10px; flex-wrap:wrap;
      margin-top: 10px;
    }
    .mini-badge{
      padding: 9px 10px;
      border-radius: 999px;
      border:1px solid rgba(20,26,36,0.10);
      background: rgba(255,255,255,0.65);
      font-weight: 1000;
      font-size: 12.5px;
      color: rgba(31,41,55,0.92);
      display:flex; align-items:center; gap:8px;
    }
    .mini-badge .sq{
      width:10px; height:10px; border-radius: 3px;
      background: linear-gradient(135deg, var(--brand1), var(--brand2));
      box-shadow: 0 0 0 4px rgba(109,94,252,0.14);
    }
    .mini-badge:nth-child(2) .sq{background: linear-gradient(135deg, var(--brand2), var(--brand4))}
    .mini-badge:nth-child(3) .sq{background: linear-gradient(135deg, var(--brand4), var(--brand3))}
    .mini-badge:nth-child(4) .sq{background: linear-gradient(135deg, var(--brand3), var(--brand1))}

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; gap: 14px}
      .hero-right{order:2}
      .hero-left{order:1}
      .meta-item{min-width: 0; flex: 1 1 260px}
      .grid-3{grid-template-columns: 1fr; gap: 12px}
      .grid-4{grid-template-columns: repeat(2, minmax(0,1fr))}
      .cap-list{grid-template-columns: repeat(2, minmax(0,1fr))}
      .steps{grid-template-columns: repeat(2, minmax(0,1fr))}
      .services{grid-template-columns: 1fr}
      .network{grid-template-columns: 1fr}
      .cases{grid-template-columns: 1fr}
      .reviews{grid-template-columns: 1fr}
      .articles{grid-template-columns: 1fr}
      .footer-top{grid-template-columns: 1fr}
      form{grid-template-columns: 1fr}
      .span-2{grid-column: auto}
      .form-actions{grid-column:auto}
      table{min-width: 760px}
      .floating{right: 12px; bottom: 12px}
      .nav-links{display:none}
      .mobile-toggle{display:flex}
      .mobile-panel{display:block}
      .mobile-panel.is-open{display:block}
      header{position:sticky}
      nav{gap:10px}
    }

    @media (max-width: 460px){
      .hero-h1{font-size: 28px}
      .metric-grid{grid-template-columns: 1fr}
      .steps{grid-template-columns: 1fr}
      .grid-4{grid-template-columns: 1fr}
      .cap-list{grid-template-columns: 1fr}
      table{min-width: 720px}
      .meta-item{padding: 10px}
      .tag{min-height: 42px}
    }

    @media (prefers-reduced-motion: reduce){
      *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important;}
      .reveal{opacity:1; transform:none}
    }