:root{
      --bg0:#f7f7fb;
      --bg1:#ffffff;
      --ink:#121826;
      --muted:#5c667a;
      --muted2:#7c869f;
      --line:rgba(18,24,38,.10);
      --card:rgba(255,255,255,.72);
      --card2:rgba(255,255,255,.90);
      --shadow:0 18px 45px rgba(18,24,38,.10);
      --shadow2:0 10px 26px rgba(18,24,38,.10);
      --shadow3:0 8px 18px rgba(18,24,38,.10);
      --radius:18px;
      --radius2:26px;
      --container:1120px;

      --a:#6d5cff;
      --b:#19c8ff;
      --c:#00e6b8;
      --d:#ff4fd8;
      --e:#ffd36e;

      --grad:linear-gradient(120deg, rgba(109,92,255,.95), rgba(25,200,255,.95), rgba(0,230,184,.95), rgba(255,79,216,.95));
      --grad2:linear-gradient(135deg, rgba(255,79,216,.16), rgba(109,92,255,.16), rgba(25,200,255,.16));
      --grad3:linear-gradient(135deg, rgba(109,92,255,.12), rgba(0,230,184,.10), rgba(255,211,110,.08));
      --glass:rgba(255,255,255,.66);
      --glass2:rgba(255,255,255,.80);

      --btn:#101828;
      --btnText:#ffffff;
      --btn2:rgba(16,24,40,.08);
      --btn2Ink:#0f172a;
      --focus:0 0 0 4px rgba(109,92,255,.22);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "PingFang SC",
        "Hiragino Sans GB","Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color:var(--ink);
      background:
        radial-gradient(1200px 700px at 20% -10%, rgba(109,92,255,.14), transparent 55%),
        radial-gradient(900px 560px at 80% 0%, rgba(25,200,255,.14), transparent 50%),
        radial-gradient(820px 520px at 10% 50%, rgba(0,230,184,.10), transparent 55%),
        linear-gradient(180deg, #f7f7fb 0%, #ffffff 60%, #f7f7fb 100%);
      overflow-x:hidden;
    }

    a{color:inherit; text-decoration:none}
    .container{
      width: min(var(--container), calc(100% - 32px));
      margin: 0 auto;
    }

    .skip-link{
      position:absolute; left:-999px; top:8px;
      background:#fff; border:1px solid var(--line); padding:10px 12px; border-radius:12px;
      z-index:1000;
    }
    .skip-link:focus{left:14px; outline:none; box-shadow:var(--focus)}

    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(140%) blur(10px);
      background: linear-gradient(180deg, rgba(247,247,251,.84), rgba(247,247,251,.64));
      border-bottom: 1px solid rgba(18,24,38,.08);
    }
    .nav{
      display:flex; align-items:center; justify-content:space-between;
      padding: 12px 0;
      gap:14px;
    }
    .brand{
      display:flex; align-items:center; gap:12px;
      min-width: 180px;
    }
    .ai-page-logo{
      width:46px; height:46px; object-fit:contain;
      filter: drop-shadow(0 10px 20px rgba(109,92,255,.20));
    }
    .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-right{
      display:flex; align-items:center; justify-content:flex-end; gap:12px;
      flex:1;
    }
    .menu{
      display:flex; align-items:center; gap:6px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .menu a{
      padding:10px 10px;
      border-radius:12px;
      color:var(--muted);
      font-size:13px;
      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(255,255,255,.75);
      border-color: rgba(18,24,38,.10);
      color:var(--ink);
      transform: translateY(-1px);
    }

    .nav-cta{
      display:flex; align-items:center; gap:10px;
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:10px;
      padding: 11px 14px;
      border-radius: 14px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.78);
      color: var(--btn2Ink);
      font-weight:650;
      font-size:13.5px;
      letter-spacing:.1px;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      box-shadow: 0 12px 26px rgba(18,24,38,.06);
      cursor:pointer;
      user-select:none;
    }
    .btn:focus{outline:none; box-shadow: var(--focus)}
    .btn:hover{transform: translateY(-2px); box-shadow: var(--shadow3); border-color: rgba(18,24,38,.14)}
    .btn-primary{
      border-color: rgba(109,92,255,.26);
      background: linear-gradient(135deg, rgba(109,92,255,.18), rgba(25,200,255,.16), rgba(0,230,184,.12));
      position:relative;
      overflow:hidden;
    }
    .btn-primary::before{
      content:"";
      position:absolute; inset:-1px;
      background: var(--grad);
      opacity:.18;
      filter: blur(0px);
      transform: translateX(-35%);
      transition: transform .35s ease, opacity .35s ease;
    }
    .btn-primary:hover::before{transform: translateX(0%); opacity:.28}
    .btn-primary span, .btn-primary svg{position:relative; z-index:1}
    .btn-dark{
      background: linear-gradient(180deg, rgba(16,24,40,1), rgba(16,24,40,.92));
      border-color: rgba(16,24,40,.25);
      color: var(--btnText);
      box-shadow: 0 18px 35px rgba(16,24,40,.18);
    }
    .btn-dark:hover{box-shadow: 0 22px 50px rgba(16,24,40,.22)}
    .btn-ghost{
      background: rgba(255,255,255,.62);
      box-shadow:none;
    }

    .hamburger{
      display:none;
      width:44px; height:44px; border-radius:14px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.75);
      align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .hamburger:hover{transform: translateY(-2px); box-shadow: var(--shadow3)}
    .hamburger:focus{outline:none; box-shadow:var(--focus)}
    .hamburger .bars{
      width:18px; height:12px; position:relative;
    }
    .hamburger .bars i{
      position:absolute; left:0; right:0;
      height:2px; border-radius:2px; background: rgba(18,24,38,.82);
      transition: transform .25s ease, top .25s ease, opacity .2s ease;
    }
    .hamburger .bars i:nth-child(1){top:0}
    .hamburger .bars i:nth-child(2){top:5px}
    .hamburger .bars i:nth-child(3){top:10px}
    .hamburger[aria-expanded="true"] .bars i:nth-child(1){top:5px; transform: rotate(45deg)}
    .hamburger[aria-expanded="true"] .bars i:nth-child(2){opacity:0}
    .hamburger[aria-expanded="true"] .bars i:nth-child(3){top:5px; transform: rotate(-45deg)}

    .mobile-panel{
      display:none;
      padding: 10px 0 16px;
    }
    .mobile-panel .panel{
      border:1px solid rgba(18,24,38,.10);
      border-radius: 18px;
      background: rgba(255,255,255,.80);
      box-shadow: 0 18px 45px rgba(18,24,38,.08);
      padding: 12px;
    }
    .mobile-panel .panel a{
      display:flex; justify-content:space-between; align-items:center;
      padding: 12px 12px;
      border-radius: 14px;
      color: var(--muted);
      border:1px solid transparent;
      transition: background .2s ease, border-color .2s ease, transform .2s ease;
      font-size:14px;
    }
    .mobile-panel .panel a:hover{
      background: rgba(109,92,255,.10);
      border-color: rgba(109,92,255,.22);
      color: var(--ink);
      transform: translateY(-1px);
    }
    .mobile-panel .panel .sep{height:1px; background:rgba(18,24,38,.08); margin:10px 4px}

    main{padding-bottom: 26px}
    .section{
      padding: 56px 0;
    }
    .section-tight{padding: 38px 0}
    .section-title{
      display:flex; align-items:flex-end; justify-content:space-between;
      gap:18px;
      margin-bottom: 18px;
    }
    .section-title h2{
      margin:0;
      font-size: 28px;
      letter-spacing:-.5px;
    }
    .section-title p{
      margin:0;
      color:var(--muted);
      max-width: 520px;
      line-height:1.6;
      font-size:14.5px;
    }

    .hero{
      padding: 26px 0 10px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.18fr .82fr;
      gap: 18px;
      align-items: stretch;
    }
    .hero-card{
      border:1px solid rgba(18,24,38,.10);
      border-radius: var(--radius2);
      background:
        radial-gradient(1200px 500px at 20% 0%, rgba(109,92,255,.20), transparent 55%),
        radial-gradient(900px 460px at 80% 10%, rgba(25,200,255,.18), transparent 50%),
        radial-gradient(820px 420px at 10% 70%, rgba(0,230,184,.14), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.62));
      box-shadow: 0 28px 80px rgba(18,24,38,.12);
      overflow:hidden;
      position:relative;
      padding: 26px;
      min-height: 330px;
    }
    .hero-card::after{
      content:"";
      position:absolute; inset:-2px;
      background:
        linear-gradient(120deg, rgba(255,255,255,.0), rgba(255,255,255,.22), rgba(255,255,255,.0));
      transform: translateX(-60%) rotate(12deg);
      opacity:.5;
      pointer-events:none;
      transition: transform .9s ease, opacity .7s ease;
    }
    .hero-card:hover::after{transform: translateX(35%) rotate(12deg); opacity:.62}

    .hero-kicker{
      display:inline-flex; align-items:center; gap:10px;
      padding: 8px 12px;
      border-radius: 999px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.66);
      color: var(--muted);
      font-size: 13px;
      margin-bottom: 14px;
      position:relative;
      z-index:2;
    }
    .pulse-dot{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, rgba(109,92,255,1), rgba(25,200,255,1));
      box-shadow: 0 0 0 0 rgba(109,92,255,.25);
      animation: pulse 1.9s ease-out infinite;
    }
    @keyframes pulse{
      0%{box-shadow:0 0 0 0 rgba(109,92,255,.28)}
      70%{box-shadow:0 0 0 14px rgba(109,92,255,0)}
      100%{box-shadow:0 0 0 0 rgba(109,92,255,0)}
    }

    .hero h1{
      margin: 0 0 12px;
      font-size: 40px;
      letter-spacing:-1.1px;
      line-height:1.15;
      position:relative;
      z-index:2;
    }
    .hero-lead{
      margin: 0 0 18px;
      color: var(--muted);
      line-height: 1.75;
      font-size: 15.5px;
      max-width: 620px;
      position:relative;
      z-index:2;
    }

    .hero-actions{
      display:flex; flex-wrap:wrap;
      gap: 12px;
      align-items:center;
      position:relative;
      z-index:2;
    }
    .hero-badges{
      margin-top: 18px;
      display:flex;
      flex-wrap:wrap;
      gap: 10px;
      position:relative;
      z-index:2;
    }
    .badge{
      display:inline-flex; align-items:center; gap:8px;
      padding: 9px 12px;
      border-radius: 999px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.65);
      color: rgba(18,24,38,.82);
      font-size: 13px;
      white-space:nowrap;
      transition: transform .2s ease;
    }
    .badge:hover{transform: translateY(-2px)}
    .badge svg{opacity:.9}

    .hero-side{
      display:flex; flex-direction:column; gap: 14px;
    }
    .side-top{
      border:1px solid rgba(18,24,38,.10);
      border-radius: var(--radius2);
      background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.62));
      box-shadow: 0 22px 65px rgba(18,24,38,.10);
      padding: 18px;
      position:relative;
      overflow:hidden;
      min-height: 206px;
    }
    .side-top::before{
      content:"";
      position:absolute; inset:-120px -80px auto auto;
      width: 260px; height: 260px;
      background: var(--grad);
      opacity:.18;
      border-radius: 40% 60% 60% 40% / 40% 40% 60% 60%;
      transform: rotate(18deg);
    }
    .side-top > *{position:relative; z-index:1}
    .side-top h3{
      margin:0 0 8px;
      font-size: 16px;
      letter-spacing: -.2px;
    }
    .side-top .side-sub{
      margin:0 0 14px;
      color: var(--muted);
      line-height:1.7;
      font-size: 13.8px;
    }
    .side-list{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    .mini-metric{
      border:1px solid rgba(18,24,38,.10);
      border-radius: 16px;
      background: rgba(255,255,255,.72);
      padding: 12px;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .mini-metric:hover{transform: translateY(-2px); box-shadow: 0 16px 30px rgba(18,24,38,.10)}
    .mini-metric strong{
      display:block;
      font-size: 18px;
      letter-spacing:-.4px;
    }
    .mini-metric span{
      display:block;
      margin-top: 6px;
      color: var(--muted);
      font-size: 12.8px;
      line-height:1.35;
    }

    .side-bottom{
      border:1px solid rgba(18,24,38,.10);
      border-radius: var(--radius2);
      background: rgba(255,255,255,.70);
      padding: 16px;
      box-shadow: 0 18px 45px rgba(18,24,38,.08);
    }
    .callout{
      display:flex; align-items:flex-start; gap:12px;
    }
    .callout .icon{
      width:42px; height:42px;
      border-radius: 16px;
      background: var(--grad2);
      border:1px solid rgba(109,92,255,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .callout p{
      margin:0;
      color:var(--muted);
      line-height:1.7;
      font-size: 13.8px;
    }
    .callout .link-row{
      margin-top: 12px;
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .grid-2{
      display:grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }
    .card{
      border:1px solid rgba(18,24,38,.10);
      border-radius: var(--radius);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 45px rgba(18,24,38,.06);
      padding: 16px;
      position:relative;
      overflow:hidden;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .card:hover{
      transform: translateY(-3px);
      box-shadow: 0 22px 60px rgba(18,24,38,.10);
      border-color: rgba(109,92,255,.22);
    }
    .card h3{
      margin: 10px 0 6px;
      font-size: 15.5px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color: var(--muted);
      line-height:1.75;
      font-size: 13.8px;
    }
    .card .cap{
      font-size: 12.5px;
      color: rgba(18,24,38,.74);
      display:flex; align-items:center; gap:10px;
      white-space:nowrap;
    }
    .cap .chip{
      display:inline-flex; align-items:center; justify-content:center;
      width:34px; height:24px;
      border-radius: 999px;
      background: rgba(109,92,255,.12);
      border:1px solid rgba(109,92,255,.18);
      color: rgba(68,55,196,1);
      font-weight:800;
      letter-spacing:-.2px;
      font-size:12px;
    }

    .cap .chip.alt{
      background: rgba(25,200,255,.12);
      border-color: rgba(25,200,255,.18);
      color: rgba(6,110,150,1);
    }
    .cap .chip.alt2{
      background: rgba(0,230,184,.12);
      border-color: rgba(0,230,184,.18);
      color: rgba(0,122,92,1);
    }
    .cap .chip.alt3{
      background: rgba(255,79,216,.10);
      border-color: rgba(255,79,216,.18);
      color: rgba(162,36,130,1);
    }

    .reveal{
      opacity:0; transform: translateY(10px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .reveal.is-visible{opacity:1; transform: translateY(0)}
    .delay-1{transition-delay:.06s}
    .delay-2{transition-delay:.12s}
    .delay-3{transition-delay:.18s}

    .steps{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
    }
    .step{
      padding: 16px;
      border-radius: var(--radius);
      border:1px solid rgba(18,24,38,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.62));
      box-shadow: 0 18px 45px rgba(18,24,38,.06);
      position:relative;
      overflow:hidden;
      transition: transform .22s ease, box-shadow .22s ease;
      min-height: 180px;
    }
    .step:hover{transform: translateY(-3px); box-shadow: 0 22px 60px rgba(18,24,38,.10)}
    .step .num{
      width:40px; height:40px;
      border-radius: 16px;
      background: rgba(109,92,255,.12);
      border:1px solid rgba(109,92,255,.20);
      display:flex; align-items:center; justify-content:center;
      font-weight:900; letter-spacing:-.4px;
    }
    .step h3{margin:12px 0 8px; font-size:15.5px}
    .step p{margin:0; color:var(--muted); line-height:1.75; font-size:13.8px}
    .step::after{
      content:"";
      position:absolute; inset:auto -70px -90px auto;
      width:180px; height:180px;
      background: var(--grad3);
      opacity:.9;
      border-radius: 40% 60% 60% 40% / 50% 50% 50% 50%;
      filter: blur(0px);
      transform: rotate(18deg);
      pointer-events:none;
    }
    .step > *{position:relative; z-index:1}

    .compare-wrap{
      border:1px solid rgba(18,24,38,.10);
      border-radius: var(--radius2);
      background: rgba(255,255,255,.78);
      box-shadow: 0 20px 55px rgba(18,24,38,.08);
      overflow:hidden;
    }
    .compare-header{
      padding: 16px 16px 14px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:16px;
      background:
        radial-gradient(880px 380px at 10% 0%, rgba(109,92,255,.16), transparent 55%),
        radial-gradient(720px 340px at 90% 10%, rgba(25,200,255,.14), transparent 50%),
        linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,.70));
      border-bottom:1px solid rgba(18,24,38,.08);
    }
    .stars{
      display:flex; align-items:center; gap:8px; flex-wrap:wrap;
    }
    .star-badge{
      display:inline-flex; align-items:center; justify-content:center;
      padding: 8px 12px;
      border-radius: 999px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.75);
      font-weight:900;
    }
    .score{
      display:flex; flex-direction:column; gap:4px;
    }
    .score strong{
      font-size: 22px; letter-spacing:-.6px; line-height:1;
    }
    .score span{color:var(--muted); font-size:12.8px}
    .compare-header .note{
      max-width: 520px;
      color:var(--muted);
      line-height:1.7;
      font-size: 13.8px;
      margin-top: 6px;
    }

    table{
      width:100%;
      border-collapse: collapse;
      font-size: 14px;
      background:#fff;
    }
    th, td{
      border-bottom:1px solid rgba(18,24,38,.08);
      padding: 14px 12px;
      vertical-align: top;
    }
    th{
      text-align:left;
      color: rgba(18,24,38,.86);
      font-weight:800;
      background: linear-gradient(180deg, rgba(247,247,251,1), rgba(255,255,255,1));
      white-space:nowrap;
    }
    td{
      color: var(--ink);
      line-height:1.65;
    }
    .td-muted{color: var(--muted); font-weight:650}
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding: 8px 10px;
      border-radius: 999px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.85);
      font-size: 13px;
      margin: 6px 8px 0 0;
      white-space:nowrap;
    }
    .pill .dot{
      width:10px; height:10px; border-radius:50%;
      background: rgba(18,24,38,.18);
      border:1px solid rgba(18,24,38,.16);
    }
    .pill.good{
      border-color: rgba(0,230,184,.26);
      background: rgba(0,230,184,.10);
    }
    .pill.good .dot{background: rgba(0,230,184,.70); border-color: rgba(0,230,184,.35)}
    .pill.mid{
      border-color: rgba(25,200,255,.24);
      background: rgba(25,200,255,.10);
    }
    .pill.mid .dot{background: rgba(25,200,255,.75); border-color: rgba(25,200,255,.35)}
    .pill.warn{
      border-color: rgba(255,211,110,.26);
      background: rgba(255,211,110,.12);
    }
    .pill.warn .dot{background: rgba(255,211,110,.82); border-color: rgba(255,211,110,.45)}

    .split{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    .panel{
      border:1px solid rgba(18,24,38,.10);
      border-radius: var(--radius2);
      background: rgba(255,255,255,.78);
      box-shadow: 0 20px 55px rgba(18,24,38,.08);
      padding: 16px;
      overflow:hidden;
    }
    .panel h3{margin: 6px 0 10px; font-size: 18px; letter-spacing:-.4px}
    .panel p{margin:0; color:var(--muted); line-height:1.75; font-size: 13.9px}
    .tags{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top: 12px;
    }
    .tag{
      padding: 9px 12px;
      border-radius: 999px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.70);
      color: rgba(18,24,38,.82);
      font-weight:650;
      font-size: 13px;
      transition: transform .2s ease;
    }
    .tag:hover{transform: translateY(-2px)}
    .tag .spark{
      display:inline-block;
      margin-right:8px;
      width: 10px; height:10px;
      border-radius:3px;
      background: var(--grad);
      vertical-align:-1px;
      box-shadow: 0 12px 30px rgba(109,92,255,.25);
    }

    .form{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 12px;
    }
    .field{
      display:flex; flex-direction:column; gap:8px;
    }
    .field label{
      font-size: 13px;
      color: rgba(18,24,38,.82);
      font-weight:700;
    }
    input, select, textarea{
      width:100%;
      padding: 12px 12px;
      border-radius: 14px;
      border:1px solid rgba(18,24,38,.12);
      background: rgba(255,255,255,.92);
      color: var(--ink);
      outline:none;
      transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease;
      font-size: 14px;
    }
    textarea{min-height: 110px; resize: vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(109,92,255,.35);
      box-shadow: var(--focus);
    }
    .form .full{grid-column: 1 / -1}
    .form-actions{
      grid-column: 1 / -1;
      display:flex; gap:12px; align-items:center; justify-content:space-between; flex-wrap:wrap;
      margin-top: 2px;
    }
    .hint{
      color: var(--muted2);
      font-size: 12.8px;
      line-height:1.5;
      max-width: 520px;
    }

    .reviews{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .review{
      padding: 16px;
      border-radius: var(--radius);
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 45px rgba(18,24,38,.06);
      transition: transform .22s ease, box-shadow .22s ease;
    }
    .review:hover{transform: translateY(-3px); box-shadow: 0 22px 60px rgba(18,24,38,.10)}
    .review .top{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-bottom: 10px;
    }
    .avatar{
      width:40px; height:40px;
      border-radius: 16px;
      background: rgba(109,92,255,.12);
      border:1px solid rgba(109,92,255,.20);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color: rgba(68,55,196,1);
      letter-spacing:-.2px;
      flex:0 0 auto;
    }
    .who{
      display:flex; align-items:center; gap:12px;
      min-width: 0;
    }
    .who strong{display:block; font-size:14.5px; letter-spacing:-.2px}
    .who span{display:block; font-size:12.8px; color:var(--muted); margin-top:2px}
    .stars-row{
      display:flex; align-items:center; gap:4px;
      color: rgba(18,24,38,.80);
      font-size: 12.5px;
      white-space:nowrap;
    }
    .review p{
      margin:0;
      color:var(--muted);
      line-height:1.75;
      font-size: 13.8px;
    }

    .carousel-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .thumb-card{
      border:1px solid rgba(18,24,38,.10);
      border-radius: var(--radius);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 45px rgba(18,24,38,.06);
      overflow:hidden;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .thumb-card:hover{transform: translateY(-3px); box-shadow: 0 22px 60px rgba(18,24,38,.10); border-color: rgba(109,92,255,.22)}
    .thumb-media{
      border-bottom:1px solid rgba(18,24,38,.08);
      padding: 12px;
      background: linear-gradient(180deg, rgba(247,247,251,.9), rgba(255,255,255,.85));
    }
    .thumb-media .imgbox{
      border-radius: 16px;
      overflow:hidden;
      border:1px solid rgba(18,24,38,.08);
      background: rgba(255,255,255,.92);
      aspect-ratio: 16/10;
      display:flex; align-items:center; justify-content:center;
    }
    .thumb-media img{
      width:100%; height:100%;
      object-fit: cover;
      display:block;
    }
    .thumb-body{padding: 14px 14px 16px}
    .thumb-body h3{margin:0 0 6px; font-size:15.5px}
    .thumb-body p{margin:0; color:var(--muted); line-height:1.7; font-size:13.8px}
    .thumb-body .meta{
      margin-top: 12px;
      display:flex; flex-wrap:wrap; gap:10px;
    }

    .articles{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 14px;
    }
    .article{
      border:1px solid rgba(18,24,38,.10);
      border-radius: var(--radius);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 45px rgba(18,24,38,.06);
      padding: 16px;
      transition: transform .22s ease, box-shadow .22s ease;
      cursor:pointer;
    }
    .article:hover{transform: translateY(-3px); box-shadow: 0 22px 60px rgba(18,24,38,.10)}
    .article .topline{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom: 10px;
    }
    .badge-soft{
      font-size: 12.5px;
      color: rgba(18,24,38,.82);
      background: rgba(109,92,255,.10);
      border:1px solid rgba(109,92,255,.18);
      padding: 7px 10px;
      border-radius: 999px;
      font-weight:750;
      white-space:nowrap;
    }
    .article .time{
      color: var(--muted2);
      font-size: 12.5px;
      white-space:nowrap;
    }
    .article h3{
      margin:0 0 8px;
      font-size: 15.5px;
      letter-spacing:-.2px;
      line-height:1.35;
    }
    .article p{
      margin:0;
      color: var(--muted);
      font-size: 13.8px;
      line-height:1.75;
      display:-webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow:hidden;
      min-height: 72px;
    }
    .article a{
      margin-top: 12px;
      display:inline-flex; align-items:center; gap:8px;
      font-weight:800;
      color: rgba(18,24,38,.86);
    }
    .article a svg{transition: transform .2s ease}
    .article:hover a svg{transform: translateX(2px)}

    .faq{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }
    details{
      border:1px solid rgba(18,24,38,.10);
      border-radius: var(--radius);
      background: rgba(255,255,255,.78);
      padding: 14px 14px;
      box-shadow: 0 18px 45px rgba(18,24,38,.05);
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    details:hover{transform: translateY(-2px); border-color: rgba(109,92,255,.22); box-shadow: 0 22px 60px rgba(18,24,38,.10)}
    summary{
      cursor:pointer;
      list-style:none;
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px;
      font-weight:850;
      color: rgba(18,24,38,.92);
      font-size: 14.6px;
      line-height:1.45;
    }
    summary::-webkit-details-marker{display:none}
    .caret{
      width:26px; height:26px;
      border-radius: 12px;
      background: rgba(109,92,255,.12);
      border:1px solid rgba(109,92,255,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .25s ease;
      margin-top: -2px;
    }
    details[open] .caret{transform: rotate(180deg)}
    .faq-answer{
      margin-top: 10px;
      color: var(--muted);
      font-size: 13.8px;
      line-height:1.75;
      padding-right: 6px;
    }

    .timeline{
      display:flex; flex-direction:column; gap: 12px;
    }
    .t-item{
      display:flex; gap:12px; align-items:flex-start;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius);
      padding: 14px;
      box-shadow: 0 18px 45px rgba(18,24,38,.05);
    }
    .t-dot{
      width:42px; height:42px;
      border-radius: 18px;
      background: var(--grad2);
      border:1px solid rgba(109,92,255,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .t-item strong{display:block; font-size:14.8px; letter-spacing:-.2px}
    .t-item span{display:block; margin-top:4px; color:var(--muted); line-height:1.7; font-size:13.8px}

    .partner{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 14px;
      align-items:start;
    }
    .partner .list{
      margin-top: 8px;
      display:flex; flex-direction:column; gap:10px;
    }
    .li{
      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,.78);
    }
    .li .check{
      width:26px; height:26px;
      border-radius: 12px;
      background: rgba(0,230,184,.12);
      border:1px solid rgba(0,230,184,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .li strong{display:block; font-size:14.6px; letter-spacing:-.2px}
    .li span{display:block; margin-top:4px; color:var(--muted); line-height:1.7; font-size:13.7px}

    footer{
      border-top:1px solid rgba(18,24,38,.08);
      background: linear-gradient(180deg, rgba(247,247,251,.8), rgba(255,255,255,.9));
      padding: 22px 0 30px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 14px;
      align-items:start;
    }
    .footer-card{
      border:1px solid rgba(18,24,38,.10);
      border-radius: var(--radius2);
      background: rgba(255,255,255,.78);
      padding: 16px;
      box-shadow: 0 20px 55px rgba(18,24,38,.06);
    }
    .footer-card h3{margin:0 0 10px; font-size:16px}
    .footer-card p{margin:0; color:var(--muted); line-height:1.7; font-size:13.8px}
    .footer-links{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top: 12px;
    }
    .footer-links a{
      padding: 9px 11px;
      border-radius: 999px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.72);
      color: rgba(18,24,38,.86);
      font-size: 13px;
      font-weight:750;
      transition: transform .2s ease, border-color .2s ease;
    }
    .footer-links a:hover{
      transform: translateY(-2px);
      border-color: rgba(109,92,255,.22);
    }
    .foot-meta{
      margin-top: 14px;
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      color: var(--muted2);
      font-size: 12.8px;
    }

    .float-kefu{
      position: fixed;
      right: 14px;
      bottom: 14px;
      z-index: 80;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
    }
    .float-btn{
      width:48px; height:48px;
      border-radius: 18px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.86);
      box-shadow: 0 18px 45px rgba(18,24,38,.12);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .2s ease, box-shadow .2s ease;
      position:relative;
      overflow:hidden;
    }
    .float-btn:hover{transform: translateY(-3px); box-shadow: 0 22px 60px rgba(18,24,38,.18)}
    .float-btn::before{
      content:"";
      position:absolute; inset:-1px;
      background: var(--grad);
      opacity:.12;
      transform: translateX(-45%);
      transition: transform .45s ease, opacity .45s ease;
    }
    .float-btn:hover::before{transform: translateX(10%); opacity:.20}
    .float-btn svg{position:relative; z-index:1}
    .float-pop{
      width: 250px;
      border-radius: 22px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.90);
      box-shadow: 0 30px 90px rgba(18,24,38,.18);
      overflow:hidden;
      transform-origin: 100% 100%;
      transform: scale(.98);
      opacity:0;
      pointer-events:none;
      transition: opacity .2s ease, transform .2s ease;
    }
    .float-pop.is-open{
      opacity:1; transform: scale(1); pointer-events:auto;
    }
    .float-pop .head{
      padding: 12px 14px;
      background:
        radial-gradient(520px 180px at 15% 0%, rgba(109,92,255,.16), transparent 60%),
        radial-gradient(420px 150px at 90% 0%, rgba(25,200,255,.14), transparent 60%),
        linear-gradient(180deg, rgba(247,247,251,.95), rgba(255,255,255,.85));
      border-bottom:1px solid rgba(18,24,38,.08);
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .float-pop .head strong{font-size:14px}
    .close-mini{
      width:28px; height:28px; border-radius:12px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.78);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .2s ease;
    }
    .close-mini:hover{transform: translateY(-2px)}
    .float-pop .body{
      padding: 12px 14px 14px;
    }
    .float-qrcode{
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(18,24,38,.10);
      border-radius: 18px;
      background: rgba(255,255,255,.86);
      padding: 10px;
    }
    .float-qrcode img{
      width: 150px; height:auto;
      display:block;
    }
    .float-pop .sub{
      margin-top: 10px;
      color: var(--muted);
      font-size: 12.8px;
      line-height:1.6;
    }

    .to-top{
      display:inline-flex; align-items:center; justify-content:center;
      width: 48px; height:48px;
      border-radius: 18px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.86);
      box-shadow: 0 18px 45px rgba(18,24,38,.12);
      cursor:pointer;
      position: fixed;
      left: 14px;
      bottom: 14px;
      z-index: 75;
      transform: translateY(10px);
      opacity:0;
      pointer-events:none;
      transition: opacity .2s ease, transform .2s ease, box-shadow .2s ease;
    }
    .to-top.is-visible{
      opacity:1; transform: translateY(0); pointer-events:auto;
    }

    .sr-only{
      position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns:1fr; }
      .side-top{min-height:auto}
      .grid-3{grid-template-columns:1fr; }
      .steps{grid-template-columns:1fr 1fr}
      .reviews{grid-template-columns:1fr 1fr}
      .articles{grid-template-columns:1fr 1fr}
      .faq{grid-template-columns:1fr}
      .split{grid-template-columns:1fr}
      .partner{grid-template-columns:1fr}
      .carousel-grid{grid-template-columns:1fr}
    }
    @media (max-width: 740px){
      .menu{display:none}
      .hamburger{display:flex}
      .mobile-panel{display:block}
      .nav-cta .btn-ghost{display:none}
      .hero h1{font-size: 30px}
      .section{padding: 44px 0}
      .section-title{flex-direction:column; align-items:flex-start}
      .section-title h2{font-size: 24px}
      .steps{grid-template-columns:1fr}
      .reviews{grid-template-columns:1fr}
      .articles{grid-template-columns:1fr}
      .form{grid-template-columns:1fr}
      .float-pop{width: 232px}
    }