:root{
      --bg0:#ffffff;
      --bg1:#f7f8fb;
      --card:#ffffff;
      --text:#121826;
      --muted:#5b6577;
      --muted2:#7b869a;
      --line:rgba(18,24,38,.10);
      --line2:rgba(18,24,38,.14);
      --brand:#4f46e5;
      --brand2:#06b6d4;
      --brand3:#f97316;
      --ink:#0b1220;
      --shadow: 0 10px 30px rgba(16, 24, 40, .10);
      --shadow2: 0 18px 50px rgba(16, 24, 40, .14);
      --radius:18px;
      --radius2:26px;
      --container: 1140px;
      --pad: 18px;
      --focus: rgba(79,70,229,.28);
    }
    *{ box-sizing:border-box; }
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 680px at 15% -10%, rgba(79,70,229,.16), transparent 55%),
        radial-gradient(900px 520px at 85% 10%, rgba(6,182,212,.14), transparent 56%),
        radial-gradient(900px 520px at 60% 105%, rgba(249,115,22,.10), transparent 54%),
        linear-gradient(180deg, #ffffff 0%, #f7f8fb 60%, #ffffff 100%);
      overflow-x:hidden;
    }
    a{ color:inherit; text-decoration:none; }
    .container{
      width: min(var(--container), calc(100% - 2*var(--pad)));
      margin: 0 auto;
    }
    .skip{
      position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip:focus{
      left: 16px; top: 16px; width:auto; height:auto; padding:10px 12px;
      background:#fff; border:1px solid var(--line2); border-radius:12px; z-index:9999;
      box-shadow: var(--shadow);
      outline: none;
    }

    header{
      position: sticky;
      top:0;
      z-index: 40;
      backdrop-filter: blur(10px);
      background: rgba(255,255,255,.70);
      border-bottom: 1px solid rgba(18,24,38,.08);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding: 12px 0;
    }
    .brand{
      display:flex; align-items:center; gap:12px;
      min-width: 220px;
    }
    .brand-logo{
      width:42px; height:42px; border-radius:14px;
      background:
        radial-gradient(12px 12px at 30% 30%, rgba(255,255,255,.85), rgba(255,255,255,0) 55%),
        linear-gradient(135deg, rgba(79,70,229,.95), rgba(6,182,212,.85));
      box-shadow: 0 10px 25px rgba(79,70,229,.22);
      display:flex; align-items:center; justify-content:center;
      border: 1px solid rgba(255,255,255,.65);
      overflow:hidden;
    }
    .brand-logo img{
      width:100%; height:100%; object-fit:cover;
      mix-blend-mode: normal;
    }
    .brand-text{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand-name{
      font-weight: 860;
      letter-spacing: .2px;
      font-size: 15px;
    }
    .brand-tag{
      font-size: 12px;
      color: var(--muted);
      margin-top: 4px;
      white-space:nowrap;
    }

    .nav-actions{
      display:flex; align-items:center; gap:10px;
      justify-content:flex-end;
      min-width: 260px;
    }

    .nav-links{
      display:flex; align-items:center; gap:14px;
      flex-wrap:wrap;
      justify-content:center;
    }
    .nav-links a{
      font-size: 13px;
      color: var(--muted);
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid transparent;
      transition: transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
      position: relative;
      white-space:nowrap;
    }
    .nav-links a:hover{
      color: var(--text);
      border-color: rgba(18,24,38,.10);
      background: rgba(255,255,255,.65);
      transform: translateY(-1px);
    }
    .nav-links a.active{
      color: var(--text);
      border-color: rgba(79,70,229,.22);
      background: rgba(79,70,229,.08);
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      border-radius: 14px;
      padding: 11px 14px;
      border: 1px solid rgba(18,24,38,.12);
      background: rgba(255,255,255,.78);
      color: var(--text);
      font-weight: 720;
      font-size: 14px;
      transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease, background .16s ease;
      user-select:none;
      white-space:nowrap;
    }
    .btn:focus{ outline:none; box-shadow: 0 0 0 4px var(--focus); }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 12px 30px rgba(16,24,40,.12);
      border-color: rgba(18,24,38,.20);
      background: rgba(255,255,255,.95);
    }
    .btn-primary{
      border-color: rgba(79,70,229,.25);
      background:
        radial-gradient(70% 140% at 20% 10%, rgba(255,255,255,.60), rgba(255,255,255,0) 60%),
        linear-gradient(135deg, rgba(79,70,229,1), rgba(6,182,212,.92));
      color:#fff;
      box-shadow: 0 16px 40px rgba(79,70,229,.22);
    }
    .btn-primary:hover{
      box-shadow: 0 22px 55px rgba(79,70,229,.26);
      border-color: rgba(255,255,255,.25);
    }
    .btn-ghost{
      background: rgba(255,255,255,.65);
    }
    .btn-small{
      padding: 9px 12px;
      border-radius: 12px;
      font-size: 13px;
      gap:8px;
    }
    .icon-dot{
      width:10px; height:10px; border-radius:50%;
      background: rgba(255,255,255,.95);
      box-shadow: 0 0 0 6px rgba(255,255,255,.18);
    }

    .menu-btn{
      display:none;
      width: 44px; height:44px;
      border-radius: 14px;
      border: 1px solid rgba(18,24,38,.12);
      background: rgba(255,255,255,.75);
      align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
    }
    .menu-btn:hover{ transform: translateY(-1px); box-shadow: 0 14px 35px rgba(16,24,40,.12); background: rgba(255,255,255,.95); }
    .menu-icon{
      width:18px; height:12px; position:relative;
    }
    .menu-icon span{
      position:absolute; left:0; right:0;
      height:2px; border-radius: 2px;
      background: rgba(18,24,38,.85);
      transition: transform .18s ease, top .18s ease, opacity .18s ease;
    }
    .menu-icon span:nth-child(1){ top:0; }
    .menu-icon span:nth-child(2){ top:5px; }
    .menu-icon span:nth-child(3){ top:10px; }
    .menu-btn[aria-expanded="true"] .menu-icon span:nth-child(1){ top:5px; transform: rotate(45deg); }
    .menu-btn[aria-expanded="true"] .menu-icon span:nth-child(2){ opacity:0; }
    .menu-btn[aria-expanded="true"] .menu-icon span:nth-child(3){ top:5px; transform: rotate(-45deg); }

    .mobile-panel{
      display:none;
      padding-bottom: 14px;
    }
    .mobile-panel .mobile-links{
      display:flex;
      flex-direction:column;
      gap: 8px;
      padding: 10px 0 6px;
    }
    .mobile-panel .mobile-links a{
      padding: 12px 12px;
      border: 1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.70);
      border-radius: 14px;
      color: var(--muted);
      font-weight: 680;
      font-size: 14px;
    }
    .mobile-panel .mobile-links a.active{
      color: var(--text);
      border-color: rgba(79,70,229,.24);
      background: rgba(79,70,229,.08);
    }

    main{ padding: 18px 0 8px; }
    .hero{
      position:relative;
      padding: 30px 0 18px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 18px;
      align-items: stretch;
    }
    .hero-card{
      border-radius: var(--radius2);
      border: 1px solid rgba(18,24,38,.10);
      background:
        radial-gradient(1000px 520px at 10% 0%, rgba(79,70,229,.18), transparent 55%),
        radial-gradient(780px 480px at 80% 10%, rgba(6,182,212,.16), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.62));
      box-shadow: var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero-card::before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(420px 240px at 14% 22%, rgba(79,70,229,.28), transparent 62%),
        radial-gradient(420px 240px at 72% 18%, rgba(6,182,212,.26), transparent 62%),
        radial-gradient(420px 240px at 85% 78%, rgba(249,115,22,.16), transparent 62%);
      opacity:.85;
      pointer-events:none;
      filter: blur(8px);
    }
    .hero-inner{
      position:relative;
      padding: 26px;
      height:100%;
      display:flex;
      flex-direction:column;
      gap: 14px;
      min-height: 360px;
    }
    .hero-badge{
      display:flex;
      align-items:center;
      gap:10px;
      padding: 10px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.68);
      border: 1px solid rgba(18,24,38,.10);
      width: fit-content;
    }
    .badge-pill{
      width: 30px; height: 30px; border-radius: 12px;
      background:
        radial-gradient(18px 18px at 25% 25%, rgba(255,255,255,.85), rgba(255,255,255,0) 60%),
        linear-gradient(135deg, rgba(79,70,229,1), rgba(6,182,212,.95));
      box-shadow: 0 14px 30px rgba(79,70,229,.22);
      display:flex; align-items:center; justify-content:center;
      border: 1px solid rgba(255,255,255,.6);
      position:relative;
      overflow:hidden;
    }
    .badge-pill::after{
      content:"";
      position:absolute;
      inset:-20px;
      background: linear-gradient(120deg, rgba(255,255,255,.0) 30%, rgba(255,255,255,.55) 48%, rgba(255,255,255,0) 66%);
      transform: translateX(-40%);
      animation: sheen 2.6s ease-in-out infinite;
      opacity:.7;
    }
    @keyframes sheen{
      0%{ transform: translateX(-40%); }
      55%{ transform: translateX(35%); }
      100%{ transform: translateX(35%); }
    }
    .hero-badge span{
      font-size: 13px;
      color: var(--muted);
      font-weight: 720;
      letter-spacing: .2px;
    }

    h1{
      margin:0;
      font-size: clamp(26px, 3.2vw, 40px);
      line-height: 1.08;
      letter-spacing: -.5px;
    }
    .hero-sub{
      color: var(--muted);
      font-size: 15px;
      line-height: 1.7;
      max-width: 62ch;
      margin-top: 4px;
    }

    .hero-ctas{
      display:flex;
      gap: 12px;
      flex-wrap: wrap;
      align-items:center;
      margin-top: 6px;
    }

    .trust-row{
      display:flex;
      gap: 10px;
      flex-wrap:wrap;
      margin-top: auto;
      padding-top: 8px;
    }
    .chip{
      display:flex;
      align-items:center;
      gap:10px;
      padding: 10px 12px;
      border-radius: 16px;
      background: rgba(255,255,255,.68);
      border: 1px solid rgba(18,24,38,.10);
      min-width: 170px;
      transition: transform .16s ease, border-color .16s ease, background .16s ease;
    }
    .chip:hover{
      transform: translateY(-2px);
      border-color: rgba(79,70,229,.25);
      background: rgba(255,255,255,.88);
    }
    .chip strong{
      font-size: 14px;
    }
    .chip small{
      display:block;
      margin-top: 2px;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.2;
    }
    .chip-ico{
      width: 34px; height:34px;
      border-radius: 14px;
      background: rgba(79,70,229,.10);
      border: 1px solid rgba(79,70,229,.18);
      display:flex; align-items:center; justify-content:center;
      color: rgba(79,70,229,1);
      flex: 0 0 auto;
    }
    .chip-ico svg{ width:18px; height:18px; }

    .hero-side{
      border-radius: var(--radius2);
      border: 1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.72);
      box-shadow: var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero-side::after{
      content:"";
      position:absolute;
      inset:-80px -40px auto auto;
      width: 220px; height:220px;
      background: radial-gradient(circle at 30% 30%, rgba(6,182,212,.35), rgba(6,182,212,0) 62%);
      filter: blur(2px);
      pointer-events:none;
    }
    .side-inner{
      position:relative;
      padding: 18px;
      height:100%;
      display:flex;
      flex-direction:column;
      gap: 12px;
    }
    .side-title{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 10px;
    }
    .side-title h2{
      margin:0;
      font-size: 16px;
      letter-spacing: -.2px;
    }
    .side-title p{
      margin: 6px 0 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.6;
    }
    .pulse{
      width: 12px; height:12px; border-radius:50%;
      background: linear-gradient(135deg, rgba(79,70,229,1), rgba(6,182,212,1));
      box-shadow: 0 0 0 0 rgba(79,70,229,.30);
      animation: ping 1.8s ease-out infinite;
      margin-top: 4px;
      flex: 0 0 auto;
    }
    @keyframes ping{
      0%{ box-shadow: 0 0 0 0 rgba(79,70,229,.30); }
      70%{ box-shadow: 0 0 0 16px rgba(79,70,229,0); }
      100%{ box-shadow: 0 0 0 0 rgba(79,70,229,0); }
    }

    .side-stats{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      margin-top: 2px;
    }
    .stat{
      border-radius: 16px;
      border: 1px solid rgba(18,24,38,.10);
      background:
        radial-gradient(250px 140px at 30% 0%, rgba(79,70,229,.12), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.62));
      padding: 12px;
      min-height: 86px;
      transition: transform .18s ease, border-color .18s ease;
    }
    .stat:hover{
      transform: translateY(-2px);
      border-color: rgba(6,182,212,.22);
    }
    .stat .k{
      font-weight: 900;
      letter-spacing: -.6px;
      font-size: 22px;
    }
    .stat .t{
      margin-top: 6px;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.35;
    }

    .side-mini{
      margin-top: 6px;
      border-radius: 18px;
      border: 1px dashed rgba(79,70,229,.28);
      background: rgba(79,70,229,.06);
      padding: 12px;
    }
    .side-mini .row{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .side-mini strong{ font-size: 13px; }
    .side-mini span{
      font-size: 12px; color: var(--muted);
    }
    .mini-bars{
      display:flex; gap: 8px; margin-top: 10px;
      align-items:flex-end;
    }
    .bar{
      flex: 1;
      height: 46px;
      border-radius: 12px;
      border: 1px solid rgba(18,24,38,.08);
      background:
        linear-gradient(180deg, rgba(79,70,229,.22), rgba(79,70,229,.06));
      position:relative;
      overflow:hidden;
    }
    .bar::after{
      content:"";
      position:absolute; inset:0;
      background: linear-gradient(120deg, rgba(255,255,255,0) 40%, rgba(255,255,255,.55) 55%, rgba(255,255,255,0) 70%);
      transform: translateX(-55%);
      animation: barSheen 2.2s ease-in-out infinite;
      opacity:.6;
    }
    @keyframes barSheen{
      0%{ transform: translateX(-55%); }
      55%{ transform: translateX(40%); }
      100%{ transform: translateX(40%); }
    }
    .bar:nth-child(2){ background: linear-gradient(180deg, rgba(6,182,212,.22), rgba(6,182,212,.06)); }
    .bar:nth-child(3){ background: linear-gradient(180deg, rgba(249,115,22,.18), rgba(249,115,22,.06)); }
    .bar:nth-child(1){ height: 30px; }
    .bar:nth-child(2){ height: 44px; }
    .bar:nth-child(3){ height: 36px; }

    section{
      scroll-margin-top: 92px;
    }

    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap: 16px;
      margin: 18px 0 12px;
    }
    .section-head h2{
      margin:0;
      font-size: 22px;
      letter-spacing: -.3px;
    }
    .section-head p{
      margin:0;
      color: var(--muted);
      font-size: 13px;
      line-height:1.7;
      max-width: 62ch;
    }

    .grid-2{
      display:grid; grid-template-columns: 1fr 1fr; gap: 14px;
    }
    .grid-3{
      display:grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
    }
    .grid-4{
      display:grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
    }

    .card{
      border-radius: var(--radius);
      border: 1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 14px 45px rgba(16,24,40,.06);
      overflow:hidden;
    }
    .card-pad{ padding: 16px; }
    .card h3{
      margin:0;
      font-size: 15px;
      letter-spacing: -.2px;
    }
    .card p{
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }

    .reveal{
      opacity: 0;
      transform: translateY(12px);
      transition: opacity .55s ease, transform .55s ease;
      will-change: opacity, transform;
    }
    .reveal.in{
      opacity: 1;
      transform: translateY(0);
    }

    .metrics{
      padding: 6px 0 4px;
    }
    .metrics .metric-list{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
    }
    .metric{
      padding: 16px 14px;
      border-radius: 18px;
      border: 1px solid rgba(18,24,38,.10);
      background:
        radial-gradient(520px 240px at 20% 0%, rgba(79,70,229,.10), transparent 58%),
        linear-gradient(180deg, rgba(255,255,255,.80), rgba(255,255,255,.60));
      transition: transform .18s ease, border-color .18s ease;
      min-height: 110px;
    }
    .metric:hover{
      transform: translateY(-3px);
      border-color: rgba(79,70,229,.22);
    }
    .metric .num{
      font-weight: 950;
      letter-spacing: -.8px;
      font-size: 26px;
    }
    .metric .label{
      margin-top: 6px;
      color: var(--muted);
      font-size: 13px;
      line-height:1.45;
    }

    .services-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 14px;
      align-items:start;
    }
    .service-left{
      padding: 16px;
    }
    .pill-row{
      display:flex; flex-wrap:wrap; gap: 10px;
      margin-top: 12px;
    }
    .pill{
      border-radius: 999px;
      padding: 10px 12px;
      border: 1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.68);
      color: var(--muted);
      font-weight: 720;
      font-size: 13px;
      transition: transform .16s ease, border-color .16s ease, background .16s ease;
    }
    .pill:hover{
      transform: translateY(-2px);
      border-color: rgba(6,182,212,.24);
      background: rgba(255,255,255,.92);
      color: var(--text);
    }

    .flow{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
      align-items: stretch;
    }
    .step{
      padding: 16px 14px;
      border-radius: 18px;
      border: 1px solid rgba(18,24,38,.10);
      background:
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.60));
      position:relative;
      overflow:hidden;
      transition: transform .18s ease, border-color .18s ease;
      min-height: 168px;
    }
    .step:hover{
      transform: translateY(-3px);
      border-color: rgba(79,70,229,.22);
    }
    .step::before{
      content:"";
      position:absolute;
      inset:-40px -40px auto auto;
      width: 140px; height:140px;
      background: radial-gradient(circle at 30% 30%, rgba(79,70,229,.22), rgba(79,70,229,0) 62%);
      filter: blur(2px);
      pointer-events:none;
    }
    .step .n{
      width: 34px; height:34px;
      border-radius: 14px;
      display:flex; align-items:center; justify-content:center;
      font-weight: 900;
      border: 1px solid rgba(18,24,38,.12);
      background: rgba(255,255,255,.72);
    }
    .step h3{ margin-top: 12px; font-size: 15px; }
    .step p{ margin-top: 8px; }

    .compare-wrap{
      border-radius: var(--radius2);
      border: 1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.72);
      box-shadow: var(--shadow);
      overflow:hidden;
    }
    .compare-top{
      padding: 16px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 12px;
      border-bottom: 1px solid rgba(18,24,38,.08);
      background:
        radial-gradient(650px 240px at 20% 0%, rgba(79,70,229,.14), transparent 58%),
        radial-gradient(650px 240px at 80% 20%, rgba(6,182,212,.12), transparent 58%),
        linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.62));
    }
    .rating{
      display:flex; gap: 12px; align-items:center; flex-wrap:wrap;
    }
    .star{
      width: 54px; height:54px;
      border-radius: 18px;
      background:
        radial-gradient(18px 18px at 30% 30%, rgba(255,255,255,.85), rgba(255,255,255,0) 60%),
        linear-gradient(135deg, rgba(249,115,22,.95), rgba(79,70,229,.92));
      display:flex; align-items:center; justify-content:center;
      color:#fff;
      box-shadow: 0 18px 45px rgba(249,115,22,.18);
      border: 1px solid rgba(255,255,255,.55);
    }
    .rating strong{ font-size: 18px; }
    .rating .score{
      color: var(--muted);
      font-size: 13px;
      margin-top: 2px;
    }

    .compare-table{
      width:100%;
      border-collapse: collapse;
      font-size: 13px;
    }
    .compare-table th, .compare-table td{
      padding: 12px 12px;
      border-bottom: 1px solid rgba(18,24,38,.08);
      vertical-align: top;
    }
    .compare-table th{
      text-align:left;
      color: var(--muted);
      font-weight: 800;
      background: rgba(247,248,251,.72);
      position: sticky;
      top: 74px;
      z-index: 2;
    }
    .badge-ok{
      display:inline-flex; align-items:center; gap: 8px;
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid rgba(79,70,229,.22);
      background: rgba(79,70,229,.08);
      color: var(--text);
      font-weight: 780;
      white-space:nowrap;
    }
    .badge-ok i{
      width: 18px; height:18px; border-radius: 8px;
      background: rgba(79,70,229,.18);
      display:inline-flex; align-items:center; justify-content:center;
      border: 1px solid rgba(79,70,229,.22);
    }
    .badge-warn{
      display:inline-flex; align-items:center; gap: 8px;
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid rgba(18,24,38,.12);
      background: rgba(255,255,255,.68);
      color: var(--muted);
      font-weight: 780;
      white-space:nowrap;
    }
    .compare-bottom{
      padding: 14px 16px 16px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 12px;
      flex-wrap:wrap;
    }

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

    .toggle-group{
      display:grid;
      grid-template-columns: 1fr;
      gap: 10px;
    }
    .faq-item{
      border-radius: 18px;
      border: 1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.72);
      overflow:hidden;
      transition: border-color .16s ease, transform .16s ease;
    }
    .faq-item:hover{
      border-color: rgba(6,182,212,.22);
    }
    details.faq{
      padding: 0;
    }
    details.faq summary{
      list-style:none;
      cursor:pointer;
      padding: 14px 14px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 12px;
      user-select:none;
      font-weight: 820;
      color: var(--text);
      outline:none;
    }
    details.faq summary::-webkit-details-marker{ display:none; }
    .faq-q{
      font-size: 14px;
      line-height:1.5;
      padding-right: 8px;
    }
    .faq-icon{
      flex: 0 0 auto;
      width: 34px; height:34px;
      border-radius: 14px;
      border: 1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.75);
      display:flex; align-items:center; justify-content:center;
      color: rgba(79,70,229,1);
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
      margin-top: -2px;
    }
    details[open].faq .faq-icon{
      transform: rotate(45deg);
      background: rgba(79,70,229,.08);
      border-color: rgba(79,70,229,.22);
    }
    .faq-a{
      padding: 0 14px 14px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.75;
    }

    .review-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }
    .review{
      padding: 16px;
      border-radius: 18px;
      border: 1px solid rgba(18,24,38,.10);
      background:
        radial-gradient(520px 180px at 10% 0%, rgba(6,182,212,.10), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.80), rgba(255,255,255,.62));
      transition: transform .18s ease, border-color .18s ease;
      min-height: 190px;
      display:flex;
      flex-direction:column;
      gap: 10px;
    }
    .review:hover{
      transform: translateY(-3px);
      border-color: rgba(6,182,212,.24);
    }
    .review .who{
      display:flex; align-items:center; justify-content:space-between; gap: 10px;
    }
    .review .role{
      font-weight: 900;
      letter-spacing: -.2px;
      font-size: 14px;
    }
    .review .tag{
      color: var(--muted);
      font-size: 12px;
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.70);
      white-space:nowrap;
    }
    .review p{
      margin:0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.75;
      flex: 1;
    }
    .review .meta{
      color: var(--muted2);
      font-size: 12px;
      display:flex; align-items:center; gap: 10px;
    }
    .review .meta span{
      display:inline-flex; align-items:center; gap: 6px;
    }

    .case-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }
    .case{
      border-radius: 18px;
      border: 1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.72);
      padding: 14px;
      transition: transform .18s ease, border-color .18s ease;
      display:flex;
      flex-direction:column;
      gap: 10px;
      min-height: 220px;
    }
    .case:hover{ transform: translateY(-3px); border-color: rgba(79,70,229,.22); }
    .case .thumb{
      border-radius: 16px;
      border: 1px solid rgba(18,24,38,.10);
      background:
        radial-gradient(140px 80px at 20% 20%, rgba(79,70,229,.18), transparent 60%),
        radial-gradient(140px 80px at 80% 10%, rgba(6,182,212,.14), transparent 60%),
        linear-gradient(180deg, rgba(247,248,251,.80), rgba(255,255,255,.58));
      padding: 10px;
      display:flex; align-items:center; justify-content:center;
      min-height: 86px;
      position:relative;
      overflow:hidden;
    }
    .case .thumb::after{
      content:"";
      position:absolute;
      inset:-40px -80px auto auto;
      width: 180px; height: 180px;
      background: radial-gradient(circle at 30% 30%, rgba(249,115,22,.18), rgba(249,115,22,0) 62%);
      filter: blur(4px);
      pointer-events:none;
    }
    .case .thumb .mini{
      display:flex; align-items:center; gap: 10px;
      color: var(--text);
      font-weight: 920;
      letter-spacing: -.2px;
      position:relative;
    }
    .case .thumb .mini i{
      width: 34px; height:34px;
      border-radius: 14px;
      background: rgba(79,70,229,.10);
      border: 1px solid rgba(79,70,229,.18);
      display:flex; align-items:center; justify-content:center;
      color: rgba(79,70,229,1);
    }
    .case h3{ margin: 0; font-size: 15px; }
    .case .desc{
      color: var(--muted);
      font-size: 13px;
      line-height: 1.75;
      margin-top: 2px;
      flex: 1;
    }
    .case .actions{
      display:flex; gap: 10px; flex-wrap:wrap;
    }

    .article-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      align-items:start;
    }
    .article-list{
      display:flex; flex-direction:column; gap: 10px;
      padding: 16px;
    }
    .article-item{
      display:flex; align-items:flex-start; justify-content:space-between; gap: 12px;
      padding: 12px 12px;
      border-radius: 16px;
      border: 1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.72);
      transition: transform .16s ease, border-color .16s ease;
    }
    .article-item:hover{
      transform: translateY(-2px);
      border-color: rgba(6,182,212,.22);
    }
    .article-item .left{
      min-width: 0;
    }
    .article-item h3{
      margin:0;
      font-size: 14px;
      line-height:1.45;
    }
    .article-item p{
      margin: 6px 0 0;
      color: var(--muted);
      font-size: 12px;
      line-height:1.6;
    }
    .article-item a{
      color: rgba(79,70,229,1);
      font-weight: 860;
      font-size: 13px;
      border-radius: 999px;
      padding: 8px 10px;
      border: 1px solid rgba(79,70,229,.22);
      background: rgba(79,70,229,.08);
      white-space:nowrap;
      flex: 0 0 auto;
      transition: transform .16s ease, background .16s ease, border-color .16s ease;
    }
    .article-item a:hover{
      transform: translateY(-1px);
      background: rgba(79,70,229,.12);
      border-color: rgba(79,70,229,.30);
    }

    .price-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      align-items:start;
    }
    .token-card{
      padding: 16px;
    }
    .token-row{
      display:flex; gap: 10px; flex-wrap:wrap;
      margin-top: 10px;
    }
    .token-pill{
      border-radius: 999px;
      padding: 10px 12px;
      border: 1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.70);
      font-weight: 800;
      color: var(--text);
      font-size: 13px;
      display:flex; align-items:center; gap: 10px;
    }
    .token-pill i{
      width: 26px; height:26px;
      border-radius: 12px;
      border: 1px solid rgba(79,70,229,.20);
      background: rgba(79,70,229,.10);
      display:flex; align-items:center; justify-content:center;
      color: rgba(79,70,229,1);
      flex: 0 0 auto;
      font-style: normal;
      font-weight: 950;
    }
    .token-note{
      margin-top: 10px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
      border-top: 1px dashed rgba(18,24,38,.12);
      padding-top: 12px;
    }

    .network-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 12px;
      align-items:stretch;
    }
    .map-panel{
      padding: 16px;
      display:flex;
      flex-direction:column;
      gap: 12px;
    }
    .map{
      border-radius: 18px;
      border: 1px solid rgba(18,24,38,.10);
      background:
        radial-gradient(900px 320px at 10% 0%, rgba(79,70,229,.14), transparent 58%),
        radial-gradient(720px 260px at 90% 20%, rgba(6,182,212,.12), transparent 58%),
        linear-gradient(180deg, rgba(247,248,251,.78), rgba(255,255,255,.58));
      padding: 14px;
      overflow:hidden;
      position:relative;
      min-height: 240px;
    }
    .map svg{ width:100%; height:auto; }
    .map .legend{
      display:flex; gap: 10px; flex-wrap:wrap;
      color: var(--muted);
      font-size: 12px;
    }
    .dot{
      width:10px; height:10px; border-radius:50%;
      background: rgba(79,70,229,1);
      box-shadow: 0 0 0 6px rgba(79,70,229,.14);
      margin-right: 8px;
      display:inline-block;
      vertical-align: middle;
    }
    .legend .item{ display:flex; align-items:center; }
    .network-side{
      padding: 16px;
    }
    .network-side .list{
      display:flex; flex-direction:column; gap: 10px;
      margin-top: 12px;
    }
    .net-item{
      padding: 12px;
      border-radius: 16px;
      border: 1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.72);
    }
    .net-item strong{ font-size: 13px; }
    .net-item p{
      margin: 6px 0 0;
      color: var(--muted);
      font-size: 12px;
      line-height:1.7;
    }

    .form-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    form{
      padding: 16px;
    }
    .field-row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      margin-top: 10px;
    }
    label{
      display:block;
      font-size: 12px;
      color: var(--muted);
      margin: 10px 0 8px;
      font-weight: 760;
    }
    input, select, textarea{
      width:100%;
      padding: 12px 12px;
      border-radius: 14px;
      border: 1px solid rgba(18,24,38,.12);
      background: rgba(255,255,255,.82);
      color: var(--text);
      font-size: 14px;
      outline:none;
      transition: box-shadow .16s ease, border-color .16s ease, background .16s ease;
    }
    textarea{ min-height: 110px; resize: vertical; }
    input:focus, select:focus, textarea:focus{
      box-shadow: 0 0 0 4px var(--focus);
      border-color: rgba(79,70,229,.28);
      background: rgba(255,255,255,.95);
    }
    .form-actions{
      display:flex; gap: 12px; align-items:center; justify-content:space-between;
      margin-top: 12px;
      flex-wrap:wrap;
    }
    .form-hint{
      color: var(--muted2);
      font-size: 12px;
      line-height:1.6;
      max-width: 46ch;
    }
    .toast{
      position: fixed;
      left: 50%;
      transform: translateX(-50%);
      bottom: 18px;
      z-index: 100;
      background: rgba(18,24,38,.88);
      color:#fff;
      padding: 12px 14px;
      border-radius: 16px;
      box-shadow: 0 18px 50px rgba(0,0,0,.25);
      opacity: 0;
      pointer-events:none;
      transition: opacity .22s ease, transform .22s ease;
      max-width: min(640px, calc(100% - 28px));
    }
    .toast.show{
      opacity: 1;
      transform: translateX(-50%) translateY(-4px);
    }

    .tagcloud{
      padding: 16px;
    }
    .tagcloud .cloud{
      display:flex;
      flex-wrap:wrap;
      gap: 10px;
      margin-top: 12px;
    }
    .tagcloud .word{
      padding: 10px 12px;
      border-radius: 999px;
      border: 1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.70);
      color: var(--muted);
      font-weight: 820;
      font-size: 13px;
      transition: transform .16s ease, border-color .16s ease, color .16s ease;
      user-select:none;
    }
    .tagcloud .word:hover{
      transform: translateY(-2px);
      border-color: rgba(79,70,229,.22);
      color: var(--text);
    }

    .timeline{
      padding: 16px;
    }
    .timeline ul{
      list-style:none;
      padding:0; margin: 12px 0 0;
      display:flex; flex-direction:column; gap: 10px;
    }
    .titem{
      display:flex; gap: 12px; align-items:flex-start;
      padding: 12px;
      border-radius: 16px;
      border: 1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.72);
    }
    .tmark{
      width: 34px; height:34px;
      border-radius: 14px;
      display:flex; align-items:center; justify-content:center;
      border: 1px solid rgba(79,70,229,.20);
      background: rgba(79,70,229,.10);
      color: rgba(79,70,229,1);
      font-weight: 950;
      flex: 0 0 auto;
      margin-top: 2px;
    }
    .titem strong{
      font-size: 13px;
      display:block;
      margin-top: 2px;
    }
    .titem span{
      display:block;
      margin-top: 6px;
      color: var(--muted);
      font-size: 12px;
      line-height:1.7;
    }

    .footer{
      margin-top: 18px;
      border-top: 1px solid rgba(18,24,38,.08);
      background: rgba(255,255,255,.70);
      backdrop-filter: blur(10px);
    }
    .footer-inner{
      padding: 18px 0 14px;
    }
    .footer-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 14px;
      flex-wrap:wrap;
    }
    .footer-brand{
      display:flex; gap: 12px; align-items:center;
      min-width: 260px;
    }
    .footer-brand img{
      width: 44px; height:44px; border-radius: 16px;
      border: 1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.8);
    }
    .footer-brand strong{
      display:block;
      font-size: 15px;
      letter-spacing: -.2px;
      margin-bottom: 6px;
    }
    .footer-brand p{
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height:1.7;
      max-width: 56ch;
    }
    .footer-cols{
      display:grid;
      grid-template-columns: repeat(3, minmax(160px, 1fr));
      gap: 12px;
      width: 100%;
      max-width: 720px;
    }
    .fcol{
      padding: 12px;
      border-radius: 18px;
      border: 1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.72);
    }
    .fcol h3{
      margin:0;
      font-size: 13px;
      color: var(--text);
      letter-spacing: -.1px;
    }
    .fcol a, .fcol span{
      display:block;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.8;
      margin-top: 8px;
    }
    .fcol a:hover{ color: var(--text); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 3px; }
    .qr-row{
      display:flex; align-items:center; gap: 12px;
      margin-top: 10px;
      flex-wrap:wrap;
    }
    .qr-row img{
      width: 96px; height:96px;
      border-radius: 18px;
      border: 1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.86);
    }
    .footer-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 10px;
      flex-wrap:wrap;
      padding-top: 12px;
      color: var(--muted);
      font-size: 12px;
    }
    .footer-links{
      display:flex; align-items:center; gap: 10px; flex-wrap:wrap;
    }
    .footer-links a{
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.72);
      color: var(--muted);
      font-weight: 760;
      font-size: 12px;
    }
    .footer-links a:hover{ color: var(--text); border-color: rgba(79,70,229,.20); }

    .float{
      position: fixed;
      right: 16px;
      bottom: 16px;
      z-index: 80;
      display:flex;
      flex-direction:column;
      gap: 10px;
    }
    .float a, .float button{
      border-radius: 18px;
      border: 1px solid rgba(18,24,38,.12);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 40px rgba(16,24,40,.12);
      padding: 12px 12px;
      width: 52px;
      height: 52px;
      display:flex;
      align-items:center;
      justify-content:center;
      cursor:pointer;
      transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
    }
    .float a:hover, .float button:hover{
      transform: translateY(-3px);
      background: rgba(255,255,255,.95);
      box-shadow: 0 20px 60px rgba(16,24,40,.16);
    }
    .float svg{ width: 20px; height: 20px; color: rgba(79,70,229,1); }
    .float .wechat img{
      width: 22px; height:22px; border-radius: 8px;
      filter: saturate(1.1);
    }

    .anchor-target{
      scroll-margin-top: 92px;
    }

    @media (max-width: 980px){
      .hero-grid{ grid-template-columns: 1fr; }
      .hero-inner{ min-height: unset; }
      .metrics .metric-list{ grid-template-columns: repeat(2, 1fr); }
      .services-grid{ grid-template-columns: 1fr; }
      .flow{ grid-template-columns: repeat(2, 1fr); }
      .review-grid{ grid-template-columns: 1fr; }
      .case-grid{ grid-template-columns: 1fr; }
      .article-grid{ grid-template-columns: 1fr; }
      .price-grid{ grid-template-columns: 1fr; }
      .network-grid{ grid-template-columns: 1fr; }
      .form-grid{ grid-template-columns: 1fr; }
      .footer-cols{ grid-template-columns: 1fr; }
      .compare-table th{ position: static; }
      .side-stats{ grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 760px){
      .nav-links{ display:none; }
      .menu-btn{ display:flex; }
      .mobile-panel{ display:block; }
      .nav-actions{ min-width: unset; }
      .hero-inner{ padding: 18px; }
      .section-head{ flex-direction:column; align-items:flex-start; }
      .metrics .metric-list{ grid-template-columns: 1fr; }
      .flow{ grid-template-columns: 1fr; }
      .grid-2{ grid-template-columns: 1fr; }
      .grid-3{ grid-template-columns: 1fr; }
      .field-row{ grid-template-columns: 1fr; }
      .float{ right: 12px; bottom: 12px; }
    }