:root{
      --bg:#fbfbff;
      --bg2:#f6f3ff;
      --card:#ffffff;
      --text:#1f2328;
      --muted:#5a6472;
      --muted2:#7b8796;
      --line:rgba(20,24,30,.10);
      --shadow: 0 12px 30px rgba(17,24,39,.08);
      --shadow2: 0 10px 22px rgba(17,24,39,.10);
      --radius:18px;
      --radius2:24px;
      --brand1:#6d5efc;
      --brand2:#19c3ff;
      --brand3:#ff4fd8;
      --brand4:#23c483;
      --warn:#ff7a00;
      --focus: rgba(109,94,252,.25);
      --btnText:#0b1020;
      --container: 1120px;
    }
    *{ 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 SC","Noto Sans", sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 600px at 15% 0%, rgba(109,94,252,.12), transparent 60%),
        radial-gradient(900px 520px at 85% 10%, rgba(25,195,255,.10), transparent 60%),
        radial-gradient(720px 520px at 40% 20%, rgba(255,79,216,.10), transparent 55%),
        linear-gradient(180deg, var(--bg) 0%, #ffffff 40%, #fbfbff 100%);
      overflow-x:hidden;
    }
    a{ color:inherit; text-decoration:none; }
    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 18px;
    }

    .skip{
      position:absolute;
      left:-9999px; top:auto;
      width:1px; height:1px; overflow:hidden;
    }
    .skip:focus{
      left:18px; top:14px;
      width:auto; height:auto;
      background:#fff;
      border:1px solid var(--line);
      padding:10px 12px;
      border-radius:12px;
      box-shadow: var(--shadow);
      z-index:9999;
    }

    header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(255,255,255,.72);
      border-bottom:1px solid rgba(20,24,30,.08);
    }
    .nav-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:12px 0;
      gap:14px;
    }
    .brand{
      display:flex; align-items:center; gap:10px; min-width:220px;
    }
    .brand img{
      width:42px; height:42px; object-fit:contain;
      background:#fff;
      border-radius:14px;
      padding:8px;
      border:1px solid rgba(20,24,30,.08);
      box-shadow: 0 6px 14px rgba(17,24,39,.06);
    }
    .brand .brand-text{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand .brand-text strong{ font-size:14px; letter-spacing:.2px; }
    .brand .brand-text span{ font-size:12px; color:var(--muted); }

    nav .menu{
      display:flex; align-items:center; gap:10px;
    }
    .menu a{
      font-size:13px;
      color:var(--muted);
      padding:9px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition: background .2s ease, border-color .2s ease, transform .2s ease, color .2s ease;
      white-space:nowrap;
    }
    .menu a:hover{
      background: rgba(109,94,252,.08);
      border-color: rgba(109,94,252,.18);
      color: #2b2f37;
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex; align-items:center; gap:10px;
      min-width:240px;
      justify-content:flex-end;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      border:1px solid rgba(20,24,30,.10);
      background: rgba(255,255,255,.85);
      border-radius:999px;
      padding:9px 12px;
      font-size:13px;
      color:var(--muted);
      transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
    }
    .pill .dot{
      width:10px; height:10px; border-radius:50%;
      background: conic-gradient(from 210deg, var(--brand1), var(--brand2), var(--brand3), var(--brand4), var(--brand1));
      box-shadow: 0 0 0 4px rgba(109,94,252,.12);
    }
    .pill:hover{ transform: translateY(-1px); box-shadow: 0 12px 22px rgba(17,24,39,.08); border-color: rgba(109,94,252,.25); }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:11px 14px;
      border-radius:14px;
      border:1px solid rgba(20,24,30,.10);
      background:#fff;
      color:var(--text);
      font-weight:600;
      font-size:14px;
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      user-select:none;
      -webkit-tap-highlight-color: transparent;
    }
    .btn:focus{ outline: none; box-shadow: 0 0 0 4px var(--focus), 0 12px 22px rgba(17,24,39,.08); border-color: rgba(109,94,252,.35); }
    .btn:hover{ transform: translateY(-1px); box-shadow: 0 14px 26px rgba(17,24,39,.10); border-color: rgba(109,94,252,.22); }
    .btn.primary{
      border-color: rgba(109,94,252,.30);
      background: linear-gradient(135deg, rgba(109,94,252,.12), rgba(25,195,255,.10));
    }
    .btn.gradient{
      border: none;
      background: linear-gradient(135deg, var(--brand1) 0%, var(--brand2) 45%, var(--brand3) 100%);
      color: #fff;
      box-shadow: 0 14px 30px rgba(109,94,252,.25);
    }
    .btn.gradient:hover{ box-shadow: 0 18px 40px rgba(109,94,252,.32); transform: translateY(-1px); }

    .icon{
      width:18px; height:18px; display:inline-block;
    }
    .hamburger{
      display:none;
      width:44px; height:44px;
      border-radius:14px;
      border:1px solid rgba(20,24,30,.10);
      background: rgba(255,255,255,.9);
      align-items:center;
      justify-content:center;
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .hamburger:hover{ transform: translateY(-1px); box-shadow: 0 12px 22px rgba(17,24,39,.08); border-color: rgba(109,94,252,.22); }
    .hamburger span{
      width:20px; height:2px; background: var(--text); display:block; position:relative;
    }
    .hamburger span::before, .hamburger span::after{
      content:""; position:absolute; left:0; width:20px; height:2px; background: var(--text);
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .hamburger span::before{ top:-6px; }
    .hamburger span::after{ top:6px; }
    .hamburger[aria-expanded="true"] span{ background:transparent; }
    .hamburger[aria-expanded="true"] span::before{ top:0; transform: rotate(45deg); }
    .hamburger[aria-expanded="true"] span::after{ top:0; transform: rotate(-45deg); }

    .mobile-panel{
      display:none;
      padding-bottom:14px;
    }
    .mobile-panel .stack{
      display:flex; flex-direction:column; gap:8px;
      padding-top:10px;
    }
    .mobile-panel a{
      border:1px solid rgba(20,24,30,.08);
      background: rgba(255,255,255,.86);
      border-radius:14px;
      padding:12px 12px;
      color: var(--muted);
      font-size:14px;
    }

    main{ padding: 26px 0 52px; }

    .hero{
      position:relative;
      border-radius: var(--radius2);
      border: 1px solid rgba(20,24,30,.08);
      background:
        radial-gradient(1200px 420px at 0% 0%, rgba(109,94,252,.18), transparent 55%),
        radial-gradient(900px 380px at 100% 0%, rgba(25,195,255,.14), transparent 55%),
        radial-gradient(900px 520px at 50% 55%, rgba(255,79,216,.10), transparent 52%),
        linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,.65));
      overflow:hidden;
      box-shadow: 0 18px 40px rgba(17,24,39,.08);
    }
    .hero::before{
      content:"";
      position:absolute; inset:-120px -120px auto -120px;
      height:260px;
      background:
        conic-gradient(from 210deg, rgba(109,94,252,.30), rgba(25,195,255,.22), rgba(255,79,216,.18), rgba(35,196,131,.20), rgba(109,94,252,.30));
      filter: blur(20px);
      opacity:.55;
      transform: rotate(-6deg);
      pointer-events:none;
    }
    .hero::after{
      content:"";
      position:absolute;
      right:-220px; top: -90px;
      width:520px; height:520px;
      border-radius:50%;
      background:
        radial-gradient(circle at 30% 30%, rgba(25,195,255,.22), transparent 60%),
        radial-gradient(circle at 70% 70%, rgba(255,79,216,.18), transparent 62%),
        radial-gradient(circle at 40% 80%, rgba(109,94,252,.20), transparent 62%);
      filter: blur(6px);
      opacity:.6;
      pointer-events:none;
    }

    .hero-inner{
      position:relative;
      padding: 28px 18px 22px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap:18px;
      align-items:start;
    }

    .eyebrow{
      display:inline-flex; align-items:center; gap:10px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(20,24,30,.10);
      background: rgba(255,255,255,.78);
      color: var(--muted);
      font-size:13px;
      margin-bottom:14px;
    }
    .eyebrow svg{ width:16px; height:16px; }
    .h1{
      font-size: clamp(24px, 3.2vw, 40px);
      margin: 0 0 10px;
      letter-spacing: -0.6px;
      line-height:1.15;
    }
    .lead{
      margin: 0 0 18px;
      color: var(--muted);
      font-size: 15.5px;
      line-height:1.8;
      max-width: 62ch;
    }
    .hero-actions{
      display:flex; flex-wrap:wrap; gap:10px; align-items:center;
      margin-bottom:16px;
    }
    .mini{
      color: var(--muted2);
      font-size: 12.5px;
      display:flex; align-items:center; gap:10px;
    }
    .mini .badge{
      display:inline-flex; align-items:center; gap:8px;
      border-radius:999px;
      padding:7px 10px;
      border:1px solid rgba(20,24,30,.10);
      background: rgba(255,255,255,.75);
      white-space:nowrap;
    }
    .mini .badge 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,.12);
      display:inline-block;
    }

    .spark-grid{
      display:grid;
      grid-template-columns: 1fr;
      gap:12px;
      padding:12px;
      border-radius: 18px;
      border:1px solid rgba(20,24,30,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
    }
    .spark{
      border-radius:16px;
      border:1px dashed rgba(20,24,30,.12);
      padding:12px 12px;
      background: linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,.65));
      position:relative;
      overflow:hidden;
      transform: translateZ(0);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .spark:hover{
      transform: translateY(-2px);
      border-color: rgba(109,94,252,.25);
      box-shadow: 0 18px 34px rgba(17,24,39,.10);
    }
    .spark::before{
      content:"";
      position:absolute; inset:-40px auto auto -60px;
      width:180px; height:180px;
      background:
        radial-gradient(circle at 30% 40%, rgba(109,94,252,.22), transparent 60%),
        radial-gradient(circle at 70% 70%, rgba(25,195,255,.18), transparent 62%),
        radial-gradient(circle at 30% 90%, rgba(255,79,216,.16), transparent 60%);
      filter: blur(10px);
      opacity:.9;
      pointer-events:none;
    }
    .spark-head{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
      position:relative;
    }
    .spark-title{
      font-weight:800; letter-spacing:-.2px;
      margin:0;
      font-size:14px;
    }
    .spark-sub{
      margin:6px 0 0;
      color: var(--muted);
      font-size:13px;
      line-height:1.7;
      position:relative;
    }
    .meter{
      display:flex; flex-direction:column; align-items:flex-end;
      gap:6px;
      min-width:110px;
      position:relative;
    }
    .meter .num{
      font-weight:900;
      font-size:18px;
      letter-spacing:-.4px;
      background: linear-gradient(135deg, var(--brand1), var(--brand2), var(--brand3));
      -webkit-background-clip:text;
      background-clip:text;
      color: transparent;
    }
    .bar{
      width:110px; height:10px;
      border-radius:999px;
      border:1px solid rgba(20,24,30,.10);
      background: rgba(255,255,255,.6);
      overflow:hidden;
    }
    .bar > span{
      display:block; height:100%;
      width:68%;
      background: linear-gradient(90deg, rgba(109,94,252,.95), rgba(25,195,255,.85), rgba(255,79,216,.70));
      border-radius:999px;
      transform-origin:left center;
      animation: fill 2.2s ease both;
    }
    .bar.t2 > span{ width:56%; animation-delay:.1s; }
    .bar.t3 > span{ width:74%; animation-delay:.2s; }
    @keyframes fill{
      from{ transform: scaleX(.35); opacity:.65; }
      to{ transform: scaleX(1); opacity:1; }
    }

    .section{
      margin-top: 18px;
      padding-top: 8px;
    }
    .section-title{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px;
      margin: 26px 0 12px;
    }
    .section-title h2{
      margin:0;
      font-size:20px;
      letter-spacing:-.2px;
    }
    .section-title p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.7;
      max-width:60ch;
    }

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

    .card{
      border-radius: var(--radius);
      background: rgba(255,255,255,.86);
      border:1px solid rgba(20,24,30,.10);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
      padding:14px;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform: translateY(-3px);
      box-shadow: 0 18px 40px rgba(17,24,39,.12);
      border-color: rgba(109,94,252,.22);
    }
    .card .kicker{
      font-weight:800;
      font-size:14px;
      margin:0 0 6px;
      letter-spacing:-.2px;
      display:flex; align-items:center; gap:10px;
    }
    .chip{
      display:inline-flex; align-items:center; gap:8px;
      border-radius:999px;
      padding:7px 10px;
      border:1px solid rgba(20,24,30,.10);
      background: rgba(255,255,255,.72);
      color: var(--muted);
      font-size:12.5px;
      margin:6px 0 0;
      white-space:nowrap;
    }
    .card .desc{
      margin:0;
      color: var(--muted);
      font-size:13.5px;
      line-height:1.8;
    }
    .card .list{
      margin:10px 0 0;
      padding-left:18px;
      color: var(--muted);
      font-size:13.5px;
      line-height:1.75;
    }
    .card .list li{ margin:6px 0; }

    .iconBadge{
      width:36px; height:36px;
      border-radius:14px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(20,24,30,.10);
      background: linear-gradient(135deg, rgba(109,94,252,.12), rgba(25,195,255,.10), rgba(255,79,216,.08));
    }

    .scribble{
      position:absolute;
      right:-16px; top:-16px;
      width:92px; height:92px;
      border-radius:50%;
      background:
        radial-gradient(circle at 30% 30%, rgba(109,94,252,.28), transparent 55%),
        radial-gradient(circle at 70% 70%, rgba(25,195,255,.22), transparent 60%),
        radial-gradient(circle at 40% 85%, rgba(255,79,216,.18), transparent 60%);
      filter: blur(2px);
      opacity:.55;
      pointer-events:none;
    }

    .steps{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:12px;
    }
    .step{
      padding:16px 14px;
      border-radius: var(--radius);
      border:1px solid rgba(20,24,30,.10);
      background: rgba(255,255,255,.82);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
      position:relative;
      overflow:hidden;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .step:hover{
      transform: translateY(-3px);
      box-shadow: 0 18px 40px rgba(17,24,39,.12);
      border-color: rgba(25,195,255,.22);
    }
    .step .num{
      font-size:34px;
      font-weight:900;
      line-height:1;
      letter-spacing:-2px;
      color: rgba(31,35,40,.12);
    }
    .step .t{
      margin:-2px 0 6px;
      font-size:14px; font-weight:850;
      letter-spacing:-.2px;
      display:flex; align-items:center; gap:10px;
      position:relative;
    }
    .step .p{
      margin:0;
      color: var(--muted);
      font-size:13.5px;
      line-height:1.75;
      position:relative;
    }
    .step::after{
      content:"";
      position:absolute;
      left:-30px; bottom:-30px;
      width:90px; height:90px;
      border-radius:50%;
      background:
        conic-gradient(from 210deg, rgba(109,94,252,.18), rgba(25,195,255,.14), rgba(255,79,216,.12), rgba(35,196,131,.14), rgba(109,94,252,.18));
      filter: blur(10px);
      opacity:.65;
      pointer-events:none;
    }

    .compare-wrap{
      display:grid;
      grid-template-columns: 1fr;
      gap:12px;
    }
    .rating{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      padding:16px;
      border-radius: var(--radius2);
      background:
        radial-gradient(800px 240px at 10% 20%, rgba(109,94,252,.18), transparent 60%),
        radial-gradient(700px 250px at 90% 20%, rgba(25,195,255,.14), transparent 60%),
        rgba(255,255,255,.86);
      border:1px solid rgba(20,24,30,.10);
      box-shadow: 0 16px 35px rgba(17,24,39,.10);
    }
    .rating .left{
      display:flex; flex-direction:column; gap:6px;
    }
    .rating .stars{
      display:flex; align-items:center; gap:8px; flex-wrap:wrap;
      color: var(--muted);
      font-size:13.5px;
    }
    .stars svg{ width:18px; height:18px; }
    .rating .big{
      font-size:30px;
      font-weight:950;
      letter-spacing:-1px;
      background: linear-gradient(135deg, var(--brand1), var(--brand2), var(--brand3));
      -webkit-background-clip:text;
      background-clip:text;
      color: transparent;
    }
    .rating .right{
      display:flex; flex-direction:column; align-items:flex-end; gap:8px;
    }
    .tag{
      border-radius:999px;
      border:1px solid rgba(20,24,30,.10);
      padding:7px 10px;
      background: rgba(255,255,255,.78);
      color: var(--muted);
      font-size:12.5px;
      white-space:nowrap;
    }

    .table-card{
      padding:0;
      overflow:hidden;
    }
    .table-wrap{
      overflow:auto;
      -webkit-overflow-scrolling: touch;
    }
    table{
      width:100%;
      min-width:760px;
      border-collapse:separate;
      border-spacing:0;
      font-size:13.5px;
    }
    thead th{
      text-align:left;
      padding:14px 14px;
      background: rgba(109,94,252,.08);
      border-bottom:1px solid rgba(20,24,30,.10);
      color:#20242b;
      font-weight:900;
      letter-spacing:-.1px;
      white-space:nowrap;
    }
    tbody td{
      padding:12px 14px;
      border-bottom:1px solid rgba(20,24,30,.08);
      color: var(--muted);
      vertical-align:top;
      line-height:1.7;
    }
    tbody tr:hover td{
      background: rgba(25,195,255,.06);
      color:#262c35;
    }
    .score-cell{
      font-weight:900;
      color:#232831;
    }

    .pill-row{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:10px;
    }

    details.faq{
      border-radius: var(--radius);
      border:1px solid rgba(20,24,30,.10);
      background: rgba(255,255,255,.86);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
      padding: 12px 14px;
      transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
    }
    details.faq[open]{
      border-color: rgba(109,94,252,.25);
      box-shadow: 0 18px 40px rgba(17,24,39,.10);
    }
    details.faq summary{
      cursor:pointer;
      list-style:none;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      font-weight:850;
      letter-spacing:-.2px;
      color:#232831;
      outline:none;
      padding:2px 0;
    }
    details.faq summary::-webkit-details-marker{ display:none; }
    .faq-q{
      font-size:14px;
      line-height:1.55;
    }
    .faq-ic{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(20,24,30,.10);
      background: rgba(255,255,255,.78);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .2s ease;
    }
    details.faq[open] .faq-ic{ transform: rotate(45deg); }
    .faq-a{
      margin-top:10px;
      color: var(--muted);
      font-size:13.5px;
      line-height:1.8;
    }

    .comments{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:12px;
    }
    .review{
      padding:14px;
      border-radius: var(--radius);
      background: rgba(255,255,255,.86);
      border:1px solid rgba(20,24,30,.10);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
      position:relative;
      overflow:hidden;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
      min-height:168px;
      display:flex; flex-direction:column; gap:10px;
    }
    .review:hover{
      transform: translateY(-3px);
      box-shadow: 0 18px 40px rgba(17,24,39,.12);
      border-color: rgba(255,79,216,.22);
    }
    .review .head{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
    }
    .avatar{
      width:42px; height:42px; border-radius:16px;
      border:1px solid rgba(20,24,30,.10);
      background:
        radial-gradient(circle at 30% 30%, rgba(109,94,252,.22), transparent 55%),
        radial-gradient(circle at 80% 70%, rgba(25,195,255,.18), transparent 60%),
        radial-gradient(circle at 40% 90%, rgba(255,79,216,.16), transparent 60%),
        rgba(255,255,255,.78);
    }
    .review .who{
      display:flex; flex-direction:column; line-height:1.2;
      flex:1;
      margin-left:10px;
    }
    .review .who strong{ font-size:13.5px; letter-spacing:-.1px; }
    .review .who span{ font-size:12.5px; color: var(--muted); margin-top:4px; }
    .review .stars{
      display:flex; gap:3px; align-items:center;
      color: #f4b100;
      margin-top:2px;
      white-space:nowrap;
      font-size:12px;
    }
    .review .text{
      margin:0;
      color: var(--muted);
      font-size:13.5px;
      line-height:1.85;
    }
    .review .stamp{
      margin-top:auto;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      color: var(--muted2);
      font-size:12.5px;
      padding-top:8px;
      border-top:1px dashed rgba(20,24,30,.10);
    }
    .stamp .badge2{
      display:inline-flex; align-items:center; gap:8px;
      border-radius:999px;
      border:1px solid rgba(20,24,30,.10);
      padding:7px 10px;
      background: rgba(255,255,255,.78);
      color: var(--muted);
      white-space:nowrap;
    }
    .stamp .badge2 i{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, var(--brand2), var(--brand4));
      box-shadow: 0 0 0 4px rgba(25,195,255,.10);
      display:inline-block;
    }

    .case-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:12px;
    }
    .case{
      border-radius: var(--radius);
      border:1px solid rgba(20,24,30,.10);
      background: rgba(255,255,255,.86);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
      padding:14px;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
      position:relative;
      overflow:hidden;
      min-height:176px;
      display:flex; flex-direction:column; gap:10px;
    }
    .case:hover{
      transform: translateY(-3px);
      box-shadow: 0 18px 40px rgba(17,24,39,.12);
      border-color: rgba(109,94,252,.22);
    }
    .case .top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .case h3{
      margin:0;
      font-size:14.5px;
      letter-spacing:-.2px;
    }
    .case p{
      margin:0;
      color: var(--muted);
      font-size:13.5px;
      line-height:1.8;
    }
    .case .meta{
      margin-top:auto;
      display:flex; flex-wrap:wrap; gap:8px;
      padding-top:10px;
      border-top:1px dashed rgba(20,24,30,.10);
    }

    .articles{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .article-card{
      padding:14px;
      border-radius: var(--radius);
      border:1px solid rgba(20,24,30,.10);
      background: rgba(255,255,255,.86);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
      display:flex; flex-direction:column; gap:10px;
      min-height:128px;
    }
    .article-card:hover{
      transform: translateY(-3px);
      box-shadow: 0 18px 40px rgba(17,24,39,.12);
      border-color: rgba(25,195,255,.22);
    }
    .article-card .row{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .article-card strong{
      font-size:14.5px;
      letter-spacing:-.2px;
      line-height:1.4;
    }
    .article-card .time{
      color: var(--muted2);
      font-size:12.5px;
      white-space:nowrap;
    }
    .article-card p{
      margin:0;
      color: var(--muted);
      font-size:13.5px;
      line-height:1.8;
    }
    .article-card a.link{
      margin-top:auto;
      display:inline-flex; align-items:center; gap:10px;
      color: #2a2f37;
      font-weight:800;
      font-size:13.5px;
    }
    .arrow{
      width:18px; height:18px;
      border-radius:8px;
      border:1px solid rgba(20,24,30,.10);
      background: rgba(255,255,255,.75);
      display:flex; align-items:center; justify-content:center;
    }

    .form-card{
      padding:16px;
      border-radius: var(--radius2);
      border:1px solid rgba(20,24,30,.10);
      background:
        radial-gradient(780px 260px at 10% 10%, rgba(109,94,252,.16), transparent 60%),
        radial-gradient(760px 260px at 90% 10%, rgba(25,195,255,.12), transparent 60%),
        rgba(255,255,255,.86);
      box-shadow: 0 16px 35px rgba(17,24,39,.10);
    }
    form{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top:12px;
    }
    .field{
      display:flex; flex-direction:column; gap:8px;
    }
    .field.wide{ grid-column: 1 / -1; }
    label{
      font-size:13px;
      color: var(--muted);
      font-weight:800;
      letter-spacing:-.1px;
    }
    input, select, textarea{
      width:100%;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(20,24,30,.12);
      background: rgba(255,255,255,.78);
      color: var(--text);
      outline:none;
      transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease;
      font-size:14px;
    }
    textarea{ min-height:104px; resize:vertical; }
    input:focus, select:focus, textarea:focus{
      box-shadow: 0 0 0 4px var(--focus);
      border-color: rgba(109,94,252,.35);
    }
    .form-actions{
      grid-column: 1 / -1;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-top:4px;
      flex-wrap:wrap;
    }
    .form-actions .hint{
      color: var(--muted2);
      font-size:12.5px;
      line-height:1.6;
      max-width:62ch;
    }

    .faq-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }

    .tagCloud{
      display:flex; flex-wrap:wrap; gap:10px;
      padding:14px;
      border-radius: var(--radius2);
      border:1px solid rgba(20,24,30,.10);
      background: rgba(255,255,255,.86);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
    }
    .tagCloud a{
      border:1px solid rgba(20,24,30,.10);
      background: rgba(255,255,255,.75);
      padding:10px 12px;
      border-radius:999px;
      color: var(--muted);
      font-size:13px;
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease, background .18s ease;
      white-space:nowrap;
    }
    .tagCloud a:hover{
      transform: translateY(-2px);
      border-color: rgba(109,94,252,.25);
      box-shadow: 0 14px 26px rgba(17,24,39,.10);
      background: linear-gradient(135deg, rgba(109,94,252,.10), rgba(25,195,255,.08));
      color:#232831;
    }

    .timeline{
      border-radius: var(--radius2);
      border:1px solid rgba(20,24,30,.10);
      background: rgba(255,255,255,.86);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
      padding:14px;
    }
    .time-items{
      display:grid;
      grid-template-columns: 1fr;
      gap:12px;
    }
    .time-item{
      display:flex; gap:12px; align-items:flex-start;
      padding:12px;
      border-radius: 16px;
      border:1px dashed rgba(20,24,30,.10);
      background: rgba(255,255,255,.68);
    }
    .time-item .stamp{
      width:44px; height:44px;
      border-radius:18px;
      border:1px solid rgba(20,24,30,.10);
      background:
        radial-gradient(circle at 30% 30%, rgba(109,94,252,.22), transparent 55%),
        radial-gradient(circle at 80% 70%, rgba(25,195,255,.18), transparent 60%),
        radial-gradient(circle at 40% 90%, rgba(255,79,216,.16), transparent 60%),
        rgba(255,255,255,.78);
      display:flex; align-items:center; justify-content:center;
      color:#262c35;
      font-weight:950;
      flex:0 0 auto;
    }
    .time-item .content strong{
      display:block;
      font-size:14.5px;
      letter-spacing:-.2px;
      margin-bottom:6px;
    }
    .time-item .content p{
      margin:0;
      color: var(--muted);
      font-size:13.5px;
      line-height:1.8;
    }

    .network{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    .mapCard{
      border-radius: var(--radius2);
      border:1px solid rgba(20,24,30,.10);
      background:
        radial-gradient(760px 240px at 0% 0%, rgba(25,195,255,.14), transparent 60%),
        radial-gradient(760px 240px at 100% 0%, rgba(255,79,216,.12), transparent 60%),
        rgba(255,255,255,.86);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
      padding:14px;
      overflow:hidden;
      position:relative;
      min-height:260px;
    }
    .mapCard .map{
      position:absolute;
      inset:14px 14px 14px 14px;
      border-radius:18px;
      background:
        radial-gradient(circle at 18% 24%, rgba(109,94,252,.20), transparent 42%),
        radial-gradient(circle at 70% 32%, rgba(25,195,255,.18), transparent 44%),
        radial-gradient(circle at 55% 70%, rgba(255,79,216,.16), transparent 48%),
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.52));
      border:1px dashed rgba(20,24,30,.10);
      pointer-events:none;
    }
    .nodes{
      position:relative;
      height:100%;
      padding:6px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-content:flex-start;
      justify-content:flex-start;
    }
    .node{
      width: calc(50% - 5px);
      min-width:140px;
      display:flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(20,24,30,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 22px rgba(17,24,39,.04);
    }
    .node i{
      width:12px; height:12px; border-radius:50%;
      background: linear-gradient(135deg, var(--brand1), var(--brand2));
      box-shadow: 0 0 0 4px rgba(109,94,252,.12);
    }
    .node span{
      color: var(--muted);
      font-size:13.5px;
      font-weight:800;
      letter-spacing:-.1px;
      white-space:nowrap;
    }

    footer{
      padding: 18px 0 34px;
      background: linear-gradient(180deg, rgba(246,243,255,.10), rgba(246,243,255,.40));
      border-top:1px solid rgba(20,24,30,.08);
    }
    .footer-card{
      border-radius: var(--radius2);
      border:1px solid rgba(20,24,30,.10);
      background: rgba(255,255,255,.86);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
      padding:16px;
    }
    .footer-top{
      display:flex;
      gap:14px;
      justify-content:space-between;
      align-items:flex-start;
      flex-wrap:wrap;
    }
    .footer-left{
      min-width:240px;
      flex:1;
    }
    .footer-left .row{
      display:flex; align-items:center; gap:12px;
      margin-bottom:10px;
    }
    .footer-left .row img{
      width:42px; height:42px; object-fit:contain;
      border-radius:16px;
      border:1px solid rgba(20,24,30,.10);
      padding:8px;
      background:#fff;
    }
    .footer-left strong{
      font-size:14.5px; letter-spacing:-.2px;
    }
    .footer-left p{
      margin:8px 0 0;
      color: var(--muted);
      font-size:13.5px;
      line-height:1.85;
      max-width:64ch;
    }
    .footer-mid{
      min-width:240px;
      flex:1;
    }
    .footer-mid h3{
      margin:0 0 10px;
      font-size:14.5px;
      letter-spacing:-.2px;
    }
    .contact-grid{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
      color: var(--muted);
      font-size:13.5px;
      line-height:1.7;
    }
    .contact-item{
      display:flex; align-items:flex-start; gap:10px;
    }
    .contact-item svg{ width:18px; height:18px; flex:0 0 auto; margin-top:1px; }
    .wechat{
      margin-top:10px;
      display:flex; align-items:center; gap:12px;
      flex-wrap:wrap;
    }
    .wechat img{
      width:88px; height:88px; border-radius:18px;
      border:1px solid rgba(20,24,30,.10);
      background:#fff;
      box-shadow: 0 14px 26px rgba(17,24,39,.10);
      object-fit:cover;
    }
    .wechat .text{
      color: var(--muted);
      font-size:13.5px;
      line-height:1.7;
      max-width:240px;
      margin:0;
    }

    .footer-links{
      min-width:240px;
      flex:1;
    }
    .footer-links h3{
      margin:0 0 10px;
      font-size:14.5px; letter-spacing:-.2px;
    }
    .friend-links{
      display:flex; flex-direction:column; gap:8px;
      align-items:flex-start;
      padding:0; margin:0;
    }
    .friend-links a{
      display:inline-flex; align-items:center; gap:10px;
      color: #2a2f37;
      font-weight:800;
      font-size:13.5px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(20,24,30,.10);
      background: rgba(255,255,255,.74);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      white-space:nowrap;
    }
    .friend-links a:hover{
      transform: translateY(-2px);
      box-shadow: 0 14px 26px rgba(17,24,39,.10);
      border-color: rgba(109,94,252,.22);
    }

    .footer-bottom{
      margin-top:14px;
      padding-top:14px;
      border-top:1px dashed rgba(20,24,30,.10);
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      color: var(--muted2);
      font-size:12.5px;
    }

    .float-help{
      position:fixed;
      right:16px;
      bottom:16px;
      z-index:80;
      display:flex; flex-direction:column; gap:10px;
      align-items:flex-end;
    }
    .help-btn{
      display:flex; align-items:center; gap:10px;
      padding:12px 13px;
      border-radius:18px;
      border:1px solid rgba(20,24,30,.10);
      background: rgba(255,255,255,.88);
      box-shadow: 0 18px 40px rgba(17,24,39,.14);
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      -webkit-tap-highlight-color: transparent;
      user-select:none;
    }
    .help-btn:hover{
      transform: translateY(-2px);
      border-color: rgba(109,94,252,.22);
      box-shadow: 0 22px 55px rgba(17,24,39,.18);
    }
    .help-btn .badgeIcon{
      width:36px; height:36px;
      border-radius:16px;
      border:1px solid rgba(20,24,30,.10);
      background: linear-gradient(135deg, rgba(109,94,252,.12), rgba(25,195,255,.10), rgba(255,79,216,.08));
      display:flex; align-items:center; justify-content:center;
    }
    .help-btn .t{
      display:flex; flex-direction:column; line-height:1.2;
    }
    .help-btn .t strong{
      font-size:13.5px; letter-spacing:-.1px;
    }
    .help-btn .t span{
      font-size:12.5px; color: var(--muted);
      margin-top:4px;
      white-space:nowrap;
    }
    .backTop{
      width:48px; height:48px;
      border-radius:18px;
      border:1px solid rgba(20,24,30,.10);
      background: rgba(255,255,255,.88);
      box-shadow: 0 18px 40px rgba(17,24,39,.14);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, opacity .18s ease;
      opacity:.9;
      -webkit-tap-highlight-color: transparent;
      user-select:none;
    }
    .backTop:hover{
      transform: translateY(-2px);
      border-color: rgba(109,94,252,.22);
      box-shadow: 0 22px 55px rgba(17,24,39,.18);
      opacity:1;
    }

    .reveal{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .reveal.on{
      opacity:1;
      transform: translateY(0);
    }

    @media (max-width: 980px){
      .hero-grid{ grid-template-columns: 1fr; }
      .nav-cta{ min-width:auto; }
      nav .menu{ display:none; }
      .hamburger{ display:flex; }
      .mobile-panel{ display:block; }
      .grid-3{ grid-template-columns: 1fr; }
      .grid-2{ grid-template-columns: 1fr; }
      .steps{ grid-template-columns: 1fr 1fr; }
      .comments{ grid-template-columns: 1fr; }
      .case-grid{ grid-template-columns: 1fr; }
      .articles{ grid-template-columns: 1fr; }
      .faq-grid{ grid-template-columns: 1fr; }
      .network{ grid-template-columns: 1fr; }
      .node{ width: calc(50% - 5px); }
    }
    @media (max-width: 520px){
      .steps{ grid-template-columns: 1fr; }
      .node{ width: 100%; }
      form{ grid-template-columns: 1fr; }
      .form-actions{ justify-content:flex-start; }
      .rating{ flex-direction:column; align-items:flex-start; }
      .rating .right{ align-items:flex-start; }
      .float-help{ right:12px; bottom:12px; }
    }