:root{
      --bg0:#f6f9ff;
      --bg1:#eef4ff;
      --card:#ffffff;
      --text:#16213a;
      --muted:#5a6b88;
      --line:rgba(15,40,85,.12);
      --shadow:0 12px 30px rgba(14,42,94,.12);
      --shadow2:0 10px 24px rgba(14,42,94,.10);
      --blue:#0b61ff;
      --blue2:#0a3fb8;
      --navy:#0a1b3a;
      --mint:#1fb6ff;
      --gold:#ffcc66;
      --danger:#ff4d4f;
      --radius:18px;
      --radius2:14px;
      --container:1120px;
      --gap:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", Arial, "Noto Sans", sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 420px at 50% -80px, rgba(11,97,255,.18), transparent 60%),
        radial-gradient(800px 360px at 85% 120px, rgba(31,182,255,.16), transparent 60%),
        linear-gradient(180deg, var(--bg0), #fff 46%, #f7fbff 100%);
    }
    a{color:inherit; text-decoration:none}
    .container{max-width:var(--container); margin:0 auto; padding:0 18px}
    .topbar{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(140%) blur(10px);
      background:rgba(246,249,255,.78);
      border-bottom:1px solid rgba(15,40,85,.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 img{width:40px; height:40px; border-radius:12px; background:#fff; padding:7px; box-shadow:0 10px 20px rgba(10,63,184,.12); border:1px solid rgba(15,40,85,.08)}
    .brand .name{display:flex; flex-direction:column; line-height:1.1}
    .brand .name strong{font-size:14px; letter-spacing:.2px}
    .brand .name span{font-size:12px; color:var(--muted)}
    .nav-actions{
      display:flex; align-items:center; gap:12px;
    }
    .nav-links{
      display:flex; align-items:center; gap:14px; flex-wrap:wrap; justify-content:flex-end;
    }
    .nav-links a{
      font-size:13px; color:rgba(15,40,85,.78);
      padding:8px 10px; border-radius:12px;
      border:1px solid transparent;
      transition:transform .15s ease, background .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background:rgba(11,97,255,.08);
      border-color:rgba(11,97,255,.18);
      transform:translateY(-1px);
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:10px;
      border-radius:14px;
      padding:11px 14px;
      font-weight:700;
      border:1px solid rgba(11,97,255,.22);
      transition:transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
      cursor:pointer;
      user-select:none;
      white-space:nowrap;
    }
    .btn-primary{
      background:linear-gradient(135deg, var(--blue), #2aa7ff);
      color:#fff;
      box-shadow:0 14px 30px rgba(11,97,255,.25);
    }
    .btn-primary:hover{transform:translateY(-1px); box-shadow:0 18px 36px rgba(11,97,255,.30)}
    .btn-ghost{
      background:rgba(255,255,255,.75);
      color:rgba(10,27,58,.92);
      border-color:rgba(15,40,85,.14);
    }
    .btn-ghost:hover{transform:translateY(-1px); border-color:rgba(11,97,255,.22); box-shadow:0 10px 22px rgba(14,42,94,.10); background:#fff}
    .icon{
      width:18px; height:18px; display:inline-block;
    }
    .hamburger{
      display:none;
      width:42px; height:42px; border-radius:14px;
      border:1px solid rgba(15,40,85,.14);
      background:rgba(255,255,255,.7);
      align-items:center; justify-content:center;
      cursor:pointer;
      transition:transform .15s ease, background .15s ease;
    }
    .hamburger:hover{transform:translateY(-1px); background:#fff}
    .hamburger span{
      width:18px; height:2px; background:rgba(15,40,85,.88);
      position:relative; border-radius:2px;
    }
    .hamburger span::before,.hamburger span::after{
      content:""; position:absolute; left:0; width:18px; height:2px; background:rgba(15,40,85,.88); border-radius:2px;
      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:10px 0 16px;
    }
    .mobile-links{
      display:flex; flex-direction:column; gap:10px;
      padding:12px; border-radius:18px;
      border:1px solid rgba(15,40,85,.10);
      background:rgba(255,255,255,.82);
      box-shadow:0 14px 30px rgba(14,42,94,.10);
    }
    .mobile-links a{padding:12px 12px; border-radius:14px; border:1px solid rgba(15,40,85,.10); background:rgba(11,97,255,.05); font-weight:650}
    .mobile-links a:hover{border-color:rgba(11,97,255,.22); background:rgba(11,97,255,.08)}
    .hero{
      padding:26px 0 16px;
    }
    .hero-grid{
      display:grid; grid-template-columns: 1.15fr .85fr; gap:18px; align-items:stretch;
    }
    .hero-left{
      border-radius:26px;
      border:1px solid rgba(15,40,85,.10);
      background:
        radial-gradient(900px 420px at 22% 0%, rgba(11,97,255,.16), transparent 60%),
        radial-gradient(520px 220px at 68% 35%, rgba(31,182,255,.18), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.92));
      box-shadow:0 18px 42px rgba(14,42,94,.10);
      padding:26px;
      overflow:hidden;
      position:relative;
    }
    .hero-left::after{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(700px 220px at 40% -30px, rgba(11,97,255,.22), transparent 60%),
        radial-gradient(420px 220px at 100% 30%, rgba(31,182,255,.18), transparent 62%);
      pointer-events:none;
      mix-blend-mode:normal;
      opacity:.55;
    }
    .hero-kicker{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
      position:relative; z-index:1;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(11,97,255,.08);
      border:1px solid rgba(11,97,255,.18);
      color:rgba(10,27,58,.95);
      font-weight:700;
      font-size:12px;
    }
    .pill b{color:var(--blue2)}
    .hero h1{
      position:relative; z-index:1;
      margin:14px 0 10px;
      font-size:34px;
      line-height:1.15;
      letter-spacing:-.6px;
    }
    .hero-sub{
      position:relative; z-index:1;
      color:var(--muted);
      font-size:15px;
      line-height:1.8;
      margin:0 0 16px;
      max-width:60ch;
    }
    .hero-cta{
      position:relative; z-index:1;
      display:flex; gap:12px; flex-wrap:wrap; align-items:center;
      margin:18px 0 14px;
    }
    .micro{
      position:relative; z-index:1;
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
      color:rgba(15,40,85,.78);
      font-size:12px;
      margin-top:10px;
    }
    .micro .dot{
      width:6px; height:6px; border-radius:50%;
      background:linear-gradient(135deg, var(--blue), #2aa7ff);
      box-shadow:0 8px 18px rgba(11,97,255,.25);
    }
    .hero-right{
      border-radius:26px;
      border:1px solid rgba(15,40,85,.10);
      background:rgba(255,255,255,.72);
      box-shadow:0 18px 42px rgba(14,42,94,.08);
      padding:18px;
      display:flex; flex-direction:column; gap:12px;
    }
    .glass{
      border-radius:20px;
      border:1px solid rgba(15,40,85,.10);
      background:
        linear-gradient(180deg, rgba(11,97,255,.06), rgba(255,255,255,.8));
      padding:14px;
      overflow:hidden;
      position:relative;
    }
    .glass::before{
      content:"";
      position:absolute; inset:-80px -60px auto auto;
      width:220px; height:220px; border-radius:50%;
      background:radial-gradient(circle at 30% 30%, rgba(31,182,255,.35), rgba(11,97,255,.10), transparent 62%);
      filter:blur(2px);
      pointer-events:none;
    }
    .data-row{
      position:relative; z-index:1;
      display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap:10px;
    }
    .stat{
      border-radius:16px;
      border:1px solid rgba(15,40,85,.10);
      background:rgba(255,255,255,.75);
      padding:12px;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      min-height:76px;
      display:flex; flex-direction:column; justify-content:space-between;
    }
    .stat:hover{
      transform:translateY(-2px);
      box-shadow:0 16px 26px rgba(14,42,94,.10);
      border-color:rgba(11,97,255,.20);
    }
    .stat .v{font-size:20px; font-weight:850; letter-spacing:-.3px}
    .stat .l{font-size:12px; color:var(--muted); line-height:1.3}
    .model-cloud{
      position:relative; z-index:1;
      display:flex; flex-wrap:wrap; gap:8px;
      margin-top:4px;
    }
    .tag{
      font-size:12px; padding:7px 10px; border-radius:999px;
      border:1px solid rgba(15,40,85,.12);
      background:rgba(255,255,255,.78);
      color:rgba(10,27,58,.90);
      transition:transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .tag:hover{transform:translateY(-2px); border-color:rgba(11,97,255,.22); background:rgba(11,97,255,.06)}
    .right-cta{
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .section{
      padding:18px 0;
    }
    .section-title{
      display:flex; align-items:flex-end; justify-content:space-between; gap:12px; flex-wrap:wrap;
      margin:8px 0 12px;
    }
    .section-title h2{
      margin:0;
      font-size:20px;
      letter-spacing:-.2px;
    }
    .section-title p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
      max-width:60ch;
    }
    .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:14px;
    }
    .card{
      border-radius:var(--radius);
      border:1px solid rgba(15,40,85,.10);
      background:rgba(255,255,255,.78);
      box-shadow:0 12px 28px rgba(14,42,94,.06);
      padding:16px;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
    }
    .card:hover{
      transform:translateY(-3px);
      box-shadow:0 18px 40px rgba(14,42,94,.10);
      border-color:rgba(11,97,255,.20);
      background:rgba(255,255,255,.92);
    }
    .card h3{margin:8px 0 8px; font-size:15px; letter-spacing:-.1px}
    .card p{margin:0; color:var(--muted); font-size:13px; line-height:1.7}
    .card .meta{
      margin-top:12px;
      display:flex; gap:10px; flex-wrap:wrap;
      align-items:center;
    }
    .badge{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(11,97,255,.18);
      background:rgba(11,97,255,.07);
      color:rgba(10,27,58,.92);
      font-size:12px; font-weight:750;
    }
    .badge .spark{
      width:10px; height:10px; border-radius:3px;
      background:linear-gradient(135deg, var(--blue), #2aa7ff);
      box-shadow:0 12px 22px rgba(11,97,255,.25);
      transform:rotate(14deg);
    }
    .steps{
      display:grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap:12px;
    }
    .step{
      padding:14px; border-radius:18px;
      border:1px solid rgba(15,40,85,.10);
      background:rgba(255,255,255,.78);
      position:relative;
      overflow:hidden;
      transition:transform .18s ease, border-color .18s ease, background .18s ease;
      min-height:146px;
      display:flex; flex-direction:column; gap:10px;
    }
    .step:hover{transform:translateY(-3px); border-color:rgba(11,97,255,.22); background:#fff}
    .step .num{
      width:34px; height:34px; border-radius:14px;
      background:linear-gradient(135deg, rgba(11,97,255,.12), rgba(42,167,255,.16));
      border:1px solid rgba(11,97,255,.20);
      color:rgba(10,27,58,.95);
      font-weight:900;
      display:flex; align-items:center; justify-content:center;
      box-shadow:0 14px 24px rgba(11,97,255,.10);
    }
    .step h3{margin:0; font-size:14px}
    .step p{margin:0; color:var(--muted); font-size:12.8px; line-height:1.65}
    .step .line{
      margin-top:auto;
      height:1px; background:rgba(15,40,85,.10);
    }
    .table-wrap{
      overflow:auto;
      border-radius:18px;
      border:1px solid rgba(15,40,85,.10);
      background:rgba(255,255,255,.78);
      box-shadow:0 12px 28px rgba(14,42,94,.06);
    }
    table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      min-width:820px;
      font-size:13px;
    }
    th,td{
      padding:14px 12px;
      border-bottom:1px solid rgba(15,40,85,.08);
      vertical-align:top;
    }
    th{
      text-align:left;
      background:linear-gradient(180deg, rgba(11,97,255,.08), rgba(11,97,255,.03));
      color:rgba(10,27,58,.95);
      font-weight:850;
      position:sticky; top:0;
      z-index:2;
    }
    tr:last-child td{border-bottom:none}
    .score{
      display:inline-flex; align-items:center; gap:8px; padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(11,97,255,.20);
      background:rgba(11,97,255,.07);
      font-weight:850;
      white-space:nowrap;
    }
    .stars{
      display:inline-flex; gap:2px; align-items:center;
    }
    .star{
      width:14px; height:14px; display:inline-block;
      background:linear-gradient(135deg, var(--gold), #ff9f2f);
      clip-path:polygon(50% 0%, 63% 36%, 100% 36%, 69% 58%, 82% 100%, 50% 75%, 18% 100%, 31% 58%, 0% 36%, 37% 36%);
      box-shadow:0 10px 18px rgba(255,159,47,.22);
    }
    .compare-layout{
      display:grid; grid-template-columns: .62fr 1fr; gap:14px; align-items:stretch;
    }
    .rating-card{
      padding:18px;
      border-radius:22px;
      background:
        radial-gradient(700px 260px at 20% 0%, rgba(11,97,255,.18), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.70));
      border:1px solid rgba(15,40,85,.10);
      box-shadow:0 18px 42px rgba(14,42,94,.08);
      position:relative;
      overflow:hidden;
    }
    .rating-card::after{
      content:"";
      position:absolute; right:-40px; top:-50px;
      width:160px; height:160px; border-radius:50%;
      background:radial-gradient(circle at 30% 30%, rgba(31,182,255,.35), rgba(11,97,255,.10), transparent 62%);
      pointer-events:none;
    }
    .rating-top{position:relative; z-index:1}
    .rating-top h3{margin:0 0 10px; font-size:16px}
    .rating-big{
      display:flex; align-items:baseline; gap:10px; flex-wrap:wrap;
      position:relative; z-index:1;
    }
    .rating-big .num{
      font-size:44px; font-weight:950; letter-spacing:-1.1px;
      color:rgba(10,27,58,.98);
    }
    .rating-big .sub{color:var(--muted); font-size:13px; line-height:1.6}
    .rating-list{
      margin:14px 0 0;
      padding:0; list-style:none;
      position:relative; z-index:1;
      display:flex; flex-direction:column; gap:10px;
    }
    .rating-list li{
      display:flex; gap:10px; align-items:flex-start;
      color:rgba(15,40,85,.86);
      font-size:13px; line-height:1.6;
    }
    .tick{
      width:20px; height:20px; border-radius:8px;
      background:rgba(11,97,255,.10);
      border:1px solid rgba(11,97,255,.20);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:2px;
    }
    .tick svg{width:12px; height:12px}
    .compare-right{
      display:flex; flex-direction:column; gap:12px;
    }
    .split-grid{
      display:grid; grid-template-columns: 1fr 1fr; gap:14px;
    }
    .list{
      display:flex; flex-direction:column; gap:10px;
      margin:0; padding:0; list-style:none;
    }
    .list li{
      display:flex; gap:10px; align-items:flex-start;
      padding:12px; border-radius:16px;
      border:1px solid rgba(15,40,85,.10);
      background:rgba(255,255,255,.76);
    }
    .list li .k{
      width:30px; height:30px; border-radius:12px;
      border:1px solid rgba(11,97,255,.20);
      background:linear-gradient(135deg, rgba(11,97,255,.12), rgba(42,167,255,.14));
      display:flex; align-items:center; justify-content:center;
      font-weight:950; color:rgba(10,27,58,.95);
      flex:0 0 auto;
    }
    .list li strong{font-size:13px}
    .list li span{display:block; margin-top:3px; color:var(--muted); font-size:12.8px; line-height:1.6}
    .form-card{
      padding:18px;
      border-radius:22px;
      border:1px solid rgba(15,40,85,.10);
      background:
        radial-gradient(640px 240px at 0% 0%, rgba(11,97,255,.16), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.70));
      box-shadow:0 18px 42px rgba(14,42,94,.08);
    }
    form{display:flex; flex-direction:column; gap:12px; margin-top:8px}
    .row2{display:grid; grid-template-columns: 1fr 1fr; gap:12px}
    label{display:block; font-size:12px; color:rgba(15,40,85,.82); font-weight:800; margin-bottom:6px}
    input, select, textarea{
      width:100%;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(15,40,85,.14);
      background:rgba(255,255,255,.9);
      color:rgba(10,27,58,.95);
      outline:none;
      transition:border-color .15s ease, box-shadow .15s ease;
      font-size:14px;
    }
    textarea{min-height:110px; resize:vertical}
    input:focus, select:focus, textarea:focus{
      border-color:rgba(11,97,255,.35);
      box-shadow:0 0 0 4px rgba(11,97,255,.12);
    }
    .form-actions{
      display:flex; gap:12px; flex-wrap:wrap; align-items:center; justify-content:space-between;
      margin-top:2px;
    }
    .hint{
      color:var(--muted);
      font-size:12.5px;
      line-height:1.6;
      max-width:44ch;
    }
    .small-link{
      color:rgba(11,97,255,.95);
      font-weight:800;
      border-bottom:1px dashed rgba(11,97,255,.35);
    }
    .faq{
      display:flex; flex-direction:column; gap:12px;
    }
    details{
      border-radius:18px;
      border:1px solid rgba(15,40,85,.10);
      background:rgba(255,255,255,.78);
      box-shadow:0 10px 24px rgba(14,42,94,.05);
      padding:0 0;
      overflow:hidden;
      transition:transform .18s ease, border-color .18s ease, background .18s ease;
    }
    details[open]{border-color:rgba(11,97,255,.20); background:#fff}
    summary{
      list-style:none;
      cursor:pointer;
      padding:14px 16px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    summary::-webkit-details-marker{display:none}
    .q{
      font-weight:900; letter-spacing:-.1px; font-size:14px;
      margin-top:2px;
    }
    .chev{
      width:30px; height:30px;
      border-radius:12px;
      border:1px solid rgba(15,40,85,.12);
      background:rgba(11,97,255,.06);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition:transform .2s ease, background .2s ease, border-color .2s ease;
      margin-top:2px;
    }
    details[open] .chev{transform:rotate(180deg); border-color:rgba(11,97,255,.22); background:rgba(11,97,255,.10)}
    .a{
      padding:0 16px 16px;
      color:var(--muted);
      font-size:13.2px;
      line-height:1.8;
    }
    .tabs{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
    }
    .tab{
      border-radius:999px;
      border:1px solid rgba(15,40,85,.12);
      background:rgba(255,255,255,.75);
      padding:9px 12px;
      font-weight:850;
      font-size:13px;
      cursor:pointer;
      transition:transform .15s ease, background .15s ease, border-color .15s ease;
      user-select:none;
    }
    .tab:hover{transform:translateY(-2px); border-color:rgba(11,97,255,.22)}
    .tab[aria-selected="true"]{
      background:rgba(11,97,255,.10);
      border-color:rgba(11,97,255,.22);
    }
    .hidden{display:none !important}
    .reviews{
      display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap:14px;
    }
    .review{
      padding:16px; border-radius:20px;
      border:1px solid rgba(15,40,85,.10);
      background:rgba(255,255,255,.78);
      box-shadow:0 12px 28px rgba(14,42,94,.06);
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      min-height:184px;
      display:flex; flex-direction:column; gap:10px;
    }
    .review:hover{transform:translateY(-3px); box-shadow:0 18px 40px rgba(14,42,94,.10); border-color:rgba(11,97,255,.20)}
    .review .who{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .avatar{
      width:40px; height:40px; border-radius:16px;
      background:linear-gradient(135deg, rgba(11,97,255,.14), rgba(42,167,255,.18));
      border:1px solid rgba(11,97,255,.18);
      display:flex; align-items:center; justify-content:center;
      font-weight:950; color:rgba(10,27,58,.95);
    }
    .role{font-weight:900; font-size:13px}
    .review p{margin:0; color:var(--muted); font-size:13px; line-height:1.8}
    .article-list{
      display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap:14px;
    }
    .article{
      padding:16px;
      border-radius:20px;
      border:1px solid rgba(15,40,85,.10);
      background:rgba(255,255,255,.78);
      box-shadow:0 12px 28px rgba(14,42,94,.06);
      display:flex; flex-direction:column; gap:10px;
      transition:transform .18s ease, border-color .18s ease, box-shadow .18s ease, background .18s ease;
      min-height:162px;
    }
    .article:hover{transform:translateY(-3px); border-color:rgba(11,97,255,.22); background:#fff; box-shadow:0 18px 40px rgba(14,42,94,.10)}
    .article .top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .chip{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(11,97,255,.07);
      border:1px solid rgba(11,97,255,.18);
      font-weight:900;
      color:rgba(10,27,58,.95);
      font-size:12px;
    }
    .article h3{margin:0; font-size:15px; letter-spacing:-.2px; line-height:1.35}
    .article .desc{color:var(--muted); font-size:13px; line-height:1.7; margin:0}
    .article a.linkbtn{
      margin-top:auto;
      display:inline-flex; align-items:center; gap:10px;
      font-weight:900;
      color:rgba(11,97,255,.98);
    }
    .article a.linkbtn .arr{
      width:26px; height:26px; border-radius:12px;
      border:1px solid rgba(11,97,255,.18);
      background:rgba(11,97,255,.08);
      display:flex; align-items:center; justify-content:center;
      transition:transform .15s ease;
    }
    .article:hover a.linkbtn .arr{transform:translateX(3px)}
    .timeline{
      display:grid; grid-template-columns: 1fr 1fr; gap:14px;
    }
    .tl{
      padding:16px;
      border-radius:22px;
      border:1px solid rgba(15,40,85,.10);
      background:rgba(255,255,255,.78);
      box-shadow:0 12px 28px rgba(14,42,94,.06);
    }
    .tl h3{margin:0 0 10px; font-size:15px}
    .tl ul{
      list-style:none; margin:0; padding:0;
      display:flex; flex-direction:column; gap:10px;
    }
    .tl li{
      display:flex; gap:10px; align-items:flex-start;
    }
    .tl li .tdate{
      width:92px; flex:0 0 auto;
      font-weight:950;
      color:rgba(10,27,58,.94);
      background:rgba(11,97,255,.08);
      border:1px solid rgba(11,97,255,.18);
      border-radius:14px;
      padding:8px 10px;
      text-align:center;
      font-size:12px;
    }
    .tl li .ttext strong{display:block; font-size:13px}
    .tl li .ttext span{display:block; margin-top:3px; color:var(--muted); font-size:12.8px; line-height:1.6}
    .network-grid{
      display:grid; grid-template-columns: 1fr 1fr 1fr; gap:14px;
    }
    .network{
      padding:16px; border-radius:22px;
      border:1px solid rgba(15,40,85,.10);
      background:
        radial-gradient(520px 240px at 0% 0%, rgba(11,97,255,.14), transparent 60%),
        rgba(255,255,255,.78);
      box-shadow:0 12px 28px rgba(14,42,94,.06);
    }
    .network h3{margin:0 0 8px; font-size:15px}
    .network p{margin:0; color:var(--muted); font-size:13px; line-height:1.8}
    .mini-tags{
      margin-top:12px; display:flex; flex-wrap:wrap; gap:8px;
    }
    .mini-tags .t{
      font-size:12px;
      border-radius:999px;
      border:1px solid rgba(15,40,85,.12);
      background:rgba(255,255,255,.78);
      padding:7px 10px;
      color:rgba(10,27,58,.92);
      font-weight:800;
    }
    .price-grid{
      display:grid; grid-template-columns: 1fr 1fr; gap:14px;
      align-items:stretch;
    }
    .price-card{
      padding:18px;
      border-radius:22px;
      border:1px solid rgba(15,40,85,.10);
      background:rgba(255,255,255,.78);
      box-shadow:0 12px 28px rgba(14,42,94,.06);
      overflow:hidden;
      position:relative;
    }
    .price-card::before{
      content:"";
      position:absolute; left:-80px; top:-90px;
      width:220px; height:220px; border-radius:50%;
      background:radial-gradient(circle at 30% 30%, rgba(11,97,255,.22), rgba(31,182,255,.10), transparent 62%);
      pointer-events:none;
    }
    .price-card h3{position:relative; z-index:1; margin:0 0 10px; font-size:15px}
    .price-list{position:relative; z-index:1; display:flex; flex-direction:column; gap:10px; margin:0; padding:0; list-style:none}
    .price-item{
      padding:12px; border-radius:18px;
      border:1px solid rgba(15,40,85,.10);
      background:rgba(255,255,255,.76);
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .price-item strong{font-size:13px}
    .price-item span{display:block; margin-top:4px; color:var(--muted); font-size:12.8px; line-height:1.6}
    .price-item .p{
      font-weight:950;
      color:rgba(10,27,58,.98);
      background:rgba(11,97,255,.08);
      border:1px solid rgba(11,97,255,.18);
      padding:8px 10px;
      border-radius:14px;
      white-space:nowrap;
      font-size:12px;
      align-self:flex-start;
    }
    .footer{
      margin-top:14px;
      background:linear-gradient(180deg, #0a1b3a, #08142c);
      color:#eaf1ff;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-inner{
      padding:26px 0 18px;
    }
    .footer-grid{
      display:grid; grid-template-columns: 1.2fr 1fr 1fr; gap:14px;
      align-items:flex-start;
    }
    .footer-brand{
      display:flex; gap:12px; align-items:flex-start;
    }
    .footer-brand img{
      width:44px; height:44px; border-radius:16px;
      padding:8px; background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.12);
    }
    .footer-brand strong{display:block; font-size:14px}
    .footer-brand span{display:block; margin-top:6px; color:rgba(234,241,255,.72); font-size:12.8px; line-height:1.7; max-width:46ch}
    .footer h3{
      margin:0 0 10px; font-size:13px; color:#fff;
      letter-spacing:.2px;
    }
    .footer a{
      color:rgba(234,241,255,.80);
      font-weight:700;
    }
    .footer a:hover{color:#fff}
    .footer-list{
      display:flex; flex-direction:column; gap:10px;
      color:rgba(234,241,255,.82);
      font-size:13px;
    }
    .footer-links{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .footer-links a{
      padding:9px 11px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.06);
    }
    .copy{
      border-top:1px solid rgba(255,255,255,.10);
      padding:14px 0 20px;
      color:rgba(234,241,255,.70);
      font-size:12.5px;
      display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap;
    }
    .to-top{
      position:fixed; right:14px; bottom:14px;
      width:46px; height:46px; border-radius:18px;
      border:1px solid rgba(15,40,85,.14);
      background:rgba(255,255,255,.82);
      box-shadow:0 14px 28px rgba(14,42,94,.12);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      opacity:0; transform:translateY(10px);
      pointer-events:none;
      transition:opacity .2s ease, transform .2s ease, background .2s ease, border-color .2s ease;
      z-index:80;
    }
    .to-top.show{opacity:1; transform:translateY(0); pointer-events:auto}
    .to-top:hover{background:#fff; border-color:rgba(11,97,255,.22)}
    .float-kefu{
      position:fixed; right:14px; bottom:68px;
      z-index:75;
      width:52px; height:52px; border-radius:20px;
      border:1px solid rgba(15,40,85,.14);
      background:linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.70));
      box-shadow:0 16px 30px rgba(14,42,94,.12);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition:transform .15s ease, box-shadow .15s ease;
    }
    .float-kefu:hover{transform:translateY(-2px); box-shadow:0 22px 40px rgba(14,42,94,.14)}
    .kefu-panel{
      position:fixed; right:14px; bottom:126px;
      z-index:74;
      width:min(320px, calc(100vw - 28px));
      border-radius:22px;
      border:1px solid rgba(15,40,85,.14);
      background:rgba(255,255,255,.92);
      box-shadow:0 22px 46px rgba(14,42,94,.16);
      overflow:hidden;
      transform-origin:bottom right;
      opacity:0; transform:scale(.96) translateY(8px);
      pointer-events:none;
      transition:opacity .18s ease, transform .18s ease;
    }
    .kefu-panel.show{opacity:1; transform:scale(1) translateY(0); pointer-events:auto}
    .kefu-head{
      padding:12px 14px;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      background:linear-gradient(180deg, rgba(11,97,255,.10), rgba(11,97,255,.04));
      border-bottom:1px solid rgba(15,40,85,.10);
    }
    .kefu-head strong{font-size:13px}
    .kefu-close{
      width:34px; height:34px; border-radius:14px;
      border:1px solid rgba(15,40,85,.14);
      background:rgba(255,255,255,.75);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition:transform .15s ease, background .15s ease;
    }
    .kefu-close:hover{transform:translateY(-1px); background:#fff}
    .kefu-body{
      padding:14px;
      display:flex; gap:12px; align-items:flex-start;
    }
    .qr{
      width:86px; height:86px; border-radius:18px;
      border:1px solid rgba(15,40,85,.12);
      background:rgba(11,97,255,.05);
      padding:8px;
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .qr img{width:100%; height:auto; border-radius:12px}
    .kefu-body p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .kefu-cta{
      margin-top:10px;
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .kefu-cta .mini{
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(11,97,255,.20);
      background:rgba(11,97,255,.08);
      color:rgba(10,27,58,.98);
      font-weight:950;
      cursor:pointer;
      transition:transform .15s ease, background .15s ease, border-color .15s ease;
      font-size:13px;
    }
    .kefu-cta .mini:hover{transform:translateY(-2px); background:rgba(11,97,255,.12); border-color:rgba(11,97,255,.28)}
    .kefu-cta a.mini{display:inline-flex; align-items:center; gap:10px; justify-content:center}
    .reveal{
      opacity:0;
      transform:translateY(10px);
      transition:opacity .6s ease, transform .6s ease;
      will-change:transform, opacity;
    }
    .reveal.in{
      opacity:1;
      transform:translateY(0);
    }
    @media (max-width: 980px){
      .hero-grid{grid-template-columns:1fr; }
      .hero-left{padding:20px}
      .compare-layout{grid-template-columns:1fr}
      .steps{grid-template-columns:repeat(2, minmax(0,1fr))}
      .grid-3{grid-template-columns:repeat(2, minmax(0,1fr))}
      .grid-4{grid-template-columns:repeat(2, minmax(0,1fr))}
      .reviews{grid-template-columns:1fr}
      .article-list{grid-template-columns:1fr}
      .split-grid{grid-template-columns:1fr}
      .timeline{grid-template-columns:1fr}
      .network-grid{grid-template-columns:1fr}
      .price-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .nav-links{display:none}
      .hamburger{display:flex}
      .mobile-panel{display:block}
      .mobile-panel.hidden{display:none !important}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .reveal{transition:none}
      .card,.stat,.step,.tab,.btn,.article,.review{transition:none}
    }