:root{
      --bg:#fbfbfd;
      --surface:rgba(255,255,255,.78);
      --surface2:rgba(255,255,255,.92);
      --text:#101827;
      --muted:#556070;
      --muted2:#6b7280;
      --border:rgba(16,24,39,.12);
      --shadow:0 10px 30px rgba(16,24,39,.08);
      --shadow2:0 14px 46px rgba(16,24,39,.10);
      --radius:18px;

      --brand1:#2dd4bf;
      --brand2:#60a5fa;
      --brand3:#a78bfa;
      --brand4:#fb7185;
      --ink:#111827;
      --link:#1d4ed8;

      --focus: rgba(96,165,250,.35);
      --ring: 0 0 0 4px var(--focus);

      --container: 1120px;
    }

    *{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", "Noto Sans SC", Arial, sans-serif;
      background: radial-gradient(1000px 600px at 20% -10%, rgba(45,212,191,.14), transparent 55%),
                  radial-gradient(900px 560px at 90% 10%, rgba(167,139,250,.14), transparent 55%),
                  radial-gradient(900px 560px at 60% 120%, rgba(96,165,250,.12), transparent 55%),
                  linear-gradient(#fbfbfd, #ffffff);
      color:var(--text);
      overflow-x:hidden;
    }
    a{color:inherit; text-decoration:none}
    a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{
      outline:none;
      box-shadow: var(--ring);
      border-color: rgba(96,165,250,.55);
    }

    .container{
      width: min(var(--container), calc(100% - 32px));
      margin: 0 auto;
    }

    .topbar{
      position: sticky;
      top:0;
      z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(251,251,253,.72);
      border-bottom: 1px solid rgba(16,24,39,.08);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding: 12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      min-width: 210px;
    }
    .ai-page-logo{
      width:44px;
      height:44px;
      object-fit:contain;
      border-radius:12px;
      background: linear-gradient(135deg, rgba(45,212,191,.18), rgba(96,165,250,.16));
      border: 1px solid rgba(16,24,39,.08);
      padding: 8px;
      box-shadow: 0 10px 26px rgba(45,212,191,.10);
    }
    .brand-title{
      display:flex;
      flex-direction:column;
      line-height:1.12;
    }
    .brand-title strong{
      font-size:14px;
      letter-spacing:.2px;
    }
    .brand-title span{
      font-size:12px;
      color:var(--muted);
    }

    .nav-links{
      display:flex;
      align-items:center;
      gap: 16px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      font-size:13px;
      color: #25324a;
      padding: 9px 10px;
      border-radius: 12px;
      border: 1px solid transparent;
      transition: transform .2s ease, background .2s ease, border-color .2s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background: rgba(96,165,250,.10);
      border-color: rgba(96,165,250,.22);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left: 8px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding: 11px 14px;
      border-radius: 14px;
      border: 1px solid rgba(16,24,39,.12);
      background: rgba(255,255,255,.7);
      color: #0f172a;
      font-weight: 650;
      font-size: 13px;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      cursor:pointer;
      user-select:none;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 12px 30px rgba(16,24,39,.10);
      border-color: rgba(16,24,39,.18);
      background: rgba(255,255,255,.9);
    }
    .btn-primary{
      border: 0;
      color: #06121f;
      background: linear-gradient(135deg, rgba(45,212,191,.95), rgba(96,165,250,.85) 45%, rgba(167,139,250,.80));
      box-shadow: 0 16px 40px rgba(96,165,250,.20);
    }
    .btn-primary:hover{
      box-shadow: 0 18px 48px rgba(96,165,250,.26);
    }
    .btn-ghost{
      background: rgba(255,255,255,.62);
    }

    .mobile-toggle{
      display:none;
      padding:10px 12px;
      border-radius: 14px;
      border: 1px solid rgba(16,24,39,.12);
      background: rgba(255,255,255,.72);
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease;
      font-weight:650;
      color:#0f172a;
    }
    .mobile-toggle:hover{ transform: translateY(-1px); box-shadow: 0 12px 26px rgba(16,24,39,.10); }
    .mobile-menu{
      display:none;
      padding-bottom: 12px;
    }
    .mobile-menu.open{ display:block; }
    .mobile-links{
      display:flex;
      flex-direction:column;
      gap:10px;
      padding: 12px 0 6px;
    }
    .mobile-links a{
      padding: 12px 12px;
      border-radius: 14px;
      border: 1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.68);
      font-size: 14px;
      color:#0f172a;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .mobile-links a:hover{ transform: translateY(-1px); border-color: rgba(96,165,250,.26); background: rgba(255,255,255,.9); }

    header.hero{
      padding: 26px 0 18px;
      position:relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.08fr .92fr;
      gap: 18px;
      align-items: stretch;
    }

    .hero-card{
      border-radius: 26px;
      border: 1px solid rgba(16,24,39,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.62));
      box-shadow: var(--shadow);
      padding: 22px;
      position:relative;
      overflow:hidden;
      min-height: 360px;
    }
    .hero-card::before{
      content:"";
      position:absolute; inset:-2px;
      background: radial-gradient(700px 360px at 20% 0%, rgba(45,212,191,.28), transparent 58%),
                  radial-gradient(600px 300px at 90% 15%, rgba(96,165,250,.26), transparent 55%),
                  radial-gradient(520px 320px at 60% 95%, rgba(167,139,250,.22), transparent 55%);
      opacity:.95;
      pointer-events:none;
    }
    .hero-card::after{
      content:"";
      position:absolute;
      left:-120px; top:-120px;
      width:260px; height:260px;
      border-radius: 60px;
      background: linear-gradient(135deg, rgba(45,212,191,.28), rgba(96,165,250,.12));
      filter: blur(10px);
      transform: rotate(18deg);
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      z-index:2;
      display:flex;
      flex-direction:column;
      gap: 14px;
      height: 100%;
    }
    .eyebrow{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:10px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(16,24,39,.12);
      background: rgba(255,255,255,.62);
      color:#0f172a;
      font-size: 13px;
      font-weight: 650;
      box-shadow: 0 10px 30px rgba(16,24,39,.06);
    }
    .badge .dot{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, var(--brand1), var(--brand2));
      box-shadow: 0 0 0 4px rgba(45,212,191,.14);
    }
    h1{
      margin: 2px 0 0;
      font-size: clamp(26px, 3.1vw, 40px);
      line-height:1.12;
      letter-spacing: -0.6px;
    }
    .hero-sub{
      color: var(--muted);
      font-size: 15px;
      line-height:1.65;
      max-width: 54ch;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap: 10px;
      align-items:center;
      margin-top: 2px;
    }
    .hero-mini{
      display:flex;
      flex-wrap:wrap;
      gap: 10px;
      margin-top: auto;
      padding-top: 10px;
    }
    .mini-pill{
      flex: 1 1 160px;
      min-width: 160px;
      border-radius: 16px;
      border: 1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.62);
      padding: 12px 12px;
      display:flex;
      gap:10px;
      align-items:flex-start;
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
    }
    .mini-pill:hover{
      transform: translateY(-2px);
      border-color: rgba(96,165,250,.26);
      background: rgba(255,255,255,.88);
    }
    .mini-ic{
      width:34px; height:34px;
      border-radius: 12px;
      border: 1px solid rgba(16,24,39,.10);
      background: linear-gradient(135deg, rgba(45,212,191,.22), rgba(96,165,250,.16));
      display:flex; align-items:center; justify-content:center;
      color:#0f172a;
      flex:0 0 auto;
    }
    .mini-pill strong{ font-size: 13.5px; display:block; }
    .mini-pill span{ font-size: 12.5px; color: var(--muted); display:block; margin-top:2px; line-height:1.3; }

    .hero-side{
      border-radius: 26px;
      border: 1px solid rgba(16,24,39,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.60));
      box-shadow: var(--shadow);
      padding: 18px;
      position:relative;
      overflow:hidden;
      min-height: 360px;
      display:flex;
      flex-direction:column;
      gap: 12px;
    }
    .hero-side::before{
      content:"";
      position:absolute;
      inset:-2px;
      background: radial-gradient(580px 320px at 90% 10%, rgba(96,165,250,.26), transparent 55%),
                  radial-gradient(520px 360px at 20% 110%, rgba(251,113,133,.16), transparent 55%);
      pointer-events:none;
    }
    .hero-side-inner{
      position:relative;
      z-index:2;
      display:flex;
      flex-direction:column;
      gap: 12px;
      height:100%;
    }
    .side-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 12px;
    }
    .side-head h2{
      margin:0;
      font-size: 16px;
      letter-spacing:-.2px;
    }
    .side-head p{
      margin:6px 0 0;
      color: var(--muted);
      font-size: 13px;
      line-height:1.55;
    }
    .sparkline{
      width:92px;
      height:44px;
      border-radius: 14px;
      border:1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.64);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      overflow:hidden;
    }
    .sparkline svg{ width:78px; height:30px; }
    .metrics{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      margin-top: 2px;
      align-items:stretch;
    }
    .metric{
      border-radius: 18px;
      border: 1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.62);
      padding: 12px;
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
      min-height: 88px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap: 10px;
    }
    .metric:hover{
      transform: translateY(-2px);
      background: rgba(255,255,255,.88);
      border-color: rgba(96,165,250,.26);
    }
    .metric .tag{
      font-size: 12.5px;
      color: var(--muted);
      display:flex;
      align-items:center;
      gap: 8px;
      white-space:nowrap;
    }
    .metric .tag i{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, rgba(45,212,191,.95), rgba(96,165,250,.85));
      display:inline-block;
      box-shadow: 0 0 0 4px rgba(45,212,191,.14);
    }
    .metric strong{
      font-size: 20px;
      letter-spacing:-.6px;
    }
    .metric small{
      color: var(--muted);
      font-size: 12px;
      line-height:1.2;
    }

    .side-cta{
      margin-top:auto;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
    }
    .trust-strip{
      display:flex;
      align-items:center;
      gap: 10px;
      color: var(--muted);
      font-size: 12.5px;
      margin-left: 2px;
      flex: 1 1 200px;
      justify-content:flex-start;
    }
    .trust-strip .seal{
      width:34px; height:34px;
      border-radius: 14px;
      border:1px solid rgba(16,24,39,.10);
      background: linear-gradient(135deg, rgba(167,139,250,.18), rgba(96,165,250,.14));
      display:flex; align-items:center; justify-content:center;
    }

    main{
      padding: 8px 0 38px;
    }
    section{
      padding: 26px 0;
    }
    .section-title{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap: 16px;
      margin-bottom: 14px;
    }
    .section-title h2{
      margin:0;
      font-size: 22px;
      letter-spacing:-.35px;
    }
    .section-title p{
      margin:0;
      color: var(--muted);
      font-size: 14px;
      line-height:1.6;
      max-width: 60ch;
    }

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

    .card{
      border-radius: var(--radius);
      border: 1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 26px rgba(16,24,39,.06);
      padding: 16px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
      overflow:hidden;
      position:relative;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 38px rgba(16,24,39,.09);
      border-color: rgba(96,165,250,.26);
      background: rgba(255,255,255,.90);
    }
    .card h3{
      margin: 0 0 8px;
      font-size: 15.5px;
      letter-spacing:-.2px;
    }
    .card p{
      margin: 0;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.65;
    }
    .card .list{
      margin-top: 12px;
      display:flex;
      flex-direction:column;
      gap: 10px;
    }
    .li{
      display:flex;
      gap: 10px;
      align-items:flex-start;
    }
    .li .check{
      width:18px; height:18px;
      border-radius: 6px;
      border: 1px solid rgba(16,24,39,.12);
      background: linear-gradient(135deg, rgba(45,212,191,.20), rgba(96,165,250,.12));
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top: 2px;
    }
    .li .check svg{width:12px;height:12px}
    .li strong{
      font-size: 13.5px;
      display:block;
      margin-top:-2px;
    }
    .li span{
      color: var(--muted);
      font-size: 12.5px;
      display:block;
      margin-top:3px;
      line-height:1.45;
    }

    .steps{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
      align-items:stretch;
    }
    .step{
      padding: 16px;
      border-radius: 18px;
      border: 1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.70);
      position:relative;
      overflow:hidden;
      min-height: 170px;
    }
    .step::before{
      content:"";
      position:absolute;
      inset:-2px;
      background: radial-gradient(380px 160px at 20% 0%, rgba(45,212,191,.18), transparent 60%),
                  radial-gradient(300px 160px at 90% 20%, rgba(167,139,250,.14), transparent 58%);
      opacity:.9;
      pointer-events:none;
    }
    .step > *{ position:relative; z-index:2; }
    .step-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 10px;
      margin-bottom: 8px;
    }
    .step-num{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:34px;height:34px;
      border-radius: 14px;
      border:1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.72);
      font-weight: 850;
      color:#0f172a;
    }
    .step .mode{
      font-size: 12.5px;
      color: var(--muted);
      padding: 7px 9px;
      border-radius: 999px;
      border: 1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.62);
      white-space:nowrap;
    }
    .step h3{
      margin: 8px 0 6px;
      font-size: 15.5px;
      letter-spacing:-.2px;
    }
    .step p{
      margin: 0;
      color: var(--muted);
      font-size: 13.2px;
      line-height:1.6;
    }
    .divider{
      height:1px;
      background: rgba(16,24,39,.10);
      margin: 14px 0;
    }

    .compare-wrap{
      border-radius: 22px;
      border:1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.72);
      box-shadow: var(--shadow);
      overflow:hidden;
    }
    .compare-head{
      padding: 16px 16px 12px;
      background: linear-gradient(135deg, rgba(45,212,191,.16), rgba(96,165,250,.12) 40%, rgba(167,139,250,.12));
      border-bottom:1px solid rgba(16,24,39,.10);
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
    }
    .stars{
      display:flex;
      align-items:center;
      gap: 10px;
      flex-wrap:wrap;
    }
    .star-badge{
      display:flex;
      align-items:center;
      gap: 8px;
      padding: 9px 12px;
      border-radius: 999px;
      border: 1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.66);
      font-weight: 800;
    }
    .star-row{
      display:flex;
      gap: 6px;
      align-items:center;
    }
    .star-row svg{ width:18px;height:18px; }
    .rating-text{
      color: var(--muted);
      font-size: 13px;
      line-height:1.5;
    }

    .compare-table{
      width:100%;
      border-collapse: collapse;
      min-width: 720px;
    }
    .compare-table th, .compare-table td{
      border-bottom: 1px solid rgba(16,24,39,.08);
      padding: 12px 12px;
      font-size: 13.5px;
      vertical-align:top;
    }
    .compare-table th{
      text-align:left;
      color:#111827;
      font-weight:800;
      background: rgba(255,255,255,.55);
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding: 7px 10px;
      border-radius: 999px;
      border:1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.62);
      color: #0f172a;
      font-weight: 760;
      font-size: 12.5px;
      white-space:nowrap;
    }
    .pill.good{
      border-color: rgba(45,212,191,.35);
      background: rgba(45,212,191,.10);
    }
    .pill.neutral{
      border-color: rgba(96,165,250,.30);
      background: rgba(96,165,250,.10);
    }
    .pill.comp{
      border-color: rgba(167,139,250,.30);
      background: rgba(167,139,250,.10);
    }

    .compare-actions{
      padding: 14px 16px 16px;
      display:flex;
      flex-wrap:wrap;
      gap: 10px;
      align-items:center;
      justify-content:flex-end;
    }

    .h-scroll{
      overflow:auto;
      padding: 0 8px 10px;
    }
    .h-scroll::-webkit-scrollbar{ height:10px; }
    .h-scroll::-webkit-scrollbar-thumb{ background: rgba(16,24,39,.16); border-radius: 999px; }

    .timeline{
      display:grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 14px;
      align-items:start;
    }
    .timeline .panel{
      border-radius: 22px;
      border:1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.72);
      box-shadow: var(--shadow);
      padding: 16px;
      position:relative;
      overflow:hidden;
    }
    .timeline .panel::before{
      content:"";
      position:absolute; inset:-2px;
      background: radial-gradient(520px 220px at 10% 0%, rgba(45,212,191,.18), transparent 60%),
                  radial-gradient(480px 230px at 100% 20%, rgba(96,165,250,.14), transparent 60%);
      pointer-events:none;
      opacity:.9;
    }
    .timeline .panel > *{ position:relative; z-index:2; }
    .timeline .panel h3{
      margin:0 0 10px;
      font-size: 16px;
      letter-spacing:-.2px;
    }
    .timeline .panel p{
      margin:0;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.65;
    }
    .timeline-steps{
      display:flex;
      flex-direction:column;
      gap: 10px;
    }
    .tstep{
      display:flex;
      gap: 12px;
      align-items:flex-start;
      padding: 14px;
      border-radius: 18px;
      border:1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.64);
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
    }
    .tstep:hover{
      transform: translateY(-2px);
      background: rgba(255,255,255,.90);
      border-color: rgba(96,165,250,.26);
    }
    .tstep .b{
      width:38px; height:38px;
      border-radius: 16px;
      border:1px solid rgba(16,24,39,.10);
      background: linear-gradient(135deg, rgba(45,212,191,.18), rgba(96,165,250,.12));
      display:flex; align-items:center; justify-content:center;
      font-weight: 900;
      flex:0 0 auto;
    }
    .tstep strong{ display:block; font-size: 14px; }
    .tstep span{ display:block; color: var(--muted); font-size: 13px; line-height:1.5; margin-top:4px; }

    details.faq{
      border-radius: 18px;
      border: 1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 26px rgba(16,24,39,.06);
      padding: 0;
      overflow:hidden;
      transition: border-color .18s ease, transform .18s ease, background .18s ease;
    }
    details.faq[open]{
      border-color: rgba(96,165,250,.30);
      background: rgba(255,255,255,.90);
      transform: translateY(-2px);
    }
    details.faq summary{
      list-style:none;
      cursor:pointer;
      padding: 14px 14px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 14px;
    }
    details.faq summary::-webkit-details-marker{ display:none; }
    .q{
      font-weight: 820;
      font-size: 14.5px;
      letter-spacing:-.15px;
      line-height:1.35;
    }
    .chev{
      width:26px; height:26px;
      border-radius: 12px;
      border:1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.62);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top: 1px;
      transition: transform .2s ease;
    }
    details.faq[open] .chev{ transform: rotate(180deg); }
    details.faq .ans{
      padding: 0 14px 14px 14px;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.7;
    }

    .comments{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }
    blockquote{
      margin:0;
      padding: 0;
    }
    .comment-card{
      border-radius: 20px;
      border:1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 26px rgba(16,24,39,.06);
      padding: 16px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      position:relative;
      overflow:hidden;
      min-height: 170px;
    }
    .comment-card::before{
      content:"";
      position:absolute; inset:-2px;
      background: radial-gradient(380px 190px at 20% 0%, rgba(251,113,133,.12), transparent 60%),
                  radial-gradient(420px 220px at 90% 30%, rgba(96,165,250,.12), transparent 58%);
      pointer-events:none;
      opacity:.9;
    }
    .comment-card > *{ position:relative; z-index:2; }
    .comment-card:hover{
      transform: translateY(-2px);
      border-color: rgba(96,165,250,.26);
      background: rgba(255,255,255,.90);
    }
    .comment-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 10px;
      margin-bottom: 10px;
    }
    .avatar{
      width:40px;height:40px;border-radius: 16px;
      border:1px solid rgba(16,24,39,.10);
      background: linear-gradient(135deg, rgba(45,212,191,.16), rgba(167,139,250,.12));
      display:flex; align-items:center; justify-content:center;
      font-weight: 950;
      color:#0f172a;
      flex:0 0 auto;
    }
    .who strong{ display:block; font-size: 14px; }
    .who span{ display:block; color:var(--muted); font-size:12.5px; margin-top:2px; }
    .quote{
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.75;
      margin: 0;
    }

    .case-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 14px;
      align-items:start;
    }
    .case-list{
      display:flex;
      flex-direction:column;
      gap: 12px;
    }
    .case-item{
      border-radius: 20px;
      border:1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 26px rgba(16,24,39,.06);
      padding: 14px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .case-item:hover{
      transform: translateY(-2px);
      border-color: rgba(96,165,250,.26);
      background: rgba(255,255,255,.90);
    }
    .case-item .row{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 12px;
    }
    .case-item h3{
      margin:0;
      font-size: 15px;
      letter-spacing:-.15px;
    }
    .case-item .meta{
      color: var(--muted);
      font-size: 12.5px;
      margin-top: 6px;
      line-height:1.4;
    }
    .case-item .chips{
      margin-top: 10px;
      display:flex;
      flex-wrap:wrap;
      gap: 8px;
    }

    .artwork{
      border-radius: 22px;
      border:1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.72);
      box-shadow: var(--shadow);
      padding: 14px;
      overflow:hidden;
      position:relative;
    }
    .artwork .cap{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      margin-bottom: 10px;
    }
    .artwork h3{
      margin:0;
      font-size: 16px;
      letter-spacing:-.2px;
    }
    .artwork p{
      margin: 6px 0 0;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.6;
    }
    .thumbs{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      margin-top: 10px;
    }
    .thumb{
      border-radius: 18px;
      border:1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.62);
      padding: 10px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      display:flex;
      flex-direction:column;
      gap: 10px;
    }
    .thumb:hover{
      transform: translateY(-2px);
      border-color: rgba(96,165,250,.26);
      background: rgba(255,255,255,.90);
    }
    .thumb img{
      width:100%;
      height:auto;
      border-radius: 14px;
      border:1px solid rgba(16,24,39,.08);
      background:#fff;
    }
    .thumb strong{ font-size: 13.5px; }
    .thumb span{ color:var(--muted); font-size:12.5px; line-height:1.4; }

    form{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 10px;
    }
    .field{
      display:flex;
      flex-direction:column;
      gap: 7px;
    }
    .field label{
      font-size: 13px;
      font-weight: 760;
      color:#0f172a;
    }
    .field input, .field select, .field textarea{
      border-radius: 14px;
      border:1px solid rgba(16,24,39,.12);
      background: rgba(255,255,255,.84);
      padding: 11px 12px;
      font-size: 14px;
      color:#0f172a;
      outline:none;
      transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
    }
    .field textarea{ min-height: 104px; resize: vertical; grid-column: 1 / -1; }
    .form-actions{
      grid-column: 1 / -1;
      display:flex;
      flex-wrap:wrap;
      gap: 10px;
      align-items:center;
      justify-content:space-between;
      margin-top: 6px;
    }
    .form-note{
      color: var(--muted);
      font-size: 12.5px;
      line-height:1.5;
      max-width: 62ch;
    }

    .tagcloud{
      display:flex;
      flex-wrap:wrap;
      gap: 10px;
      margin-top: 10px;
    }
    .tagcloud a{
      padding: 9px 11px;
      border-radius: 999px;
      border: 1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.66);
      color:#0f172a;
      font-weight: 720;
      font-size: 13px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .tagcloud a:hover{
      transform: translateY(-2px);
      border-color: rgba(96,165,250,.28);
      background: rgba(255,255,255,.90);
    }

    .two-col{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }

    .price-grid{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 12px;
      align-items:stretch;
    }
    .price-card{
      border-radius: 22px;
      border:1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.72);
      box-shadow: var(--shadow);
      padding: 16px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      position:relative;
      overflow:hidden;
      min-height: 210px;
      display:flex;
      flex-direction:column;
      gap: 10px;
    }
    .price-card::before{
      content:"";
      position:absolute; inset:-2px;
      background: radial-gradient(420px 220px at 20% 0%, rgba(45,212,191,.18), transparent 60%),
                  radial-gradient(360px 200px at 100% 30%, rgba(96,165,250,.14), transparent 58%);
      opacity:.9;
      pointer-events:none;
    }
    .price-card > *{ position:relative; z-index:2; }
    .price-card:hover{
      transform: translateY(-2px);
      border-color: rgba(96,165,250,.26);
      background: rgba(255,255,255,.90);
    }
    .price-card h3{
      margin:0;
      font-size: 16px;
      letter-spacing:-.25px;
    }
    .price-row{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap: 12px;
      margin-top: 4px;
    }
    .price-row strong{
      font-size: 30px;
      letter-spacing:-.8px;
    }
    .price-row span{
      color: var(--muted);
      font-size: 12.5px;
      line-height:1.5;
      text-align:right;
    }
    .price-card ul{
      margin: 0;
      padding: 0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap: 10px;
    }
    .price-card li{
      display:flex; gap: 10px; align-items:flex-start;
      color: var(--muted);
      font-size: 13.2px;
      line-height:1.5;
    }
    .price-card li i{
      width:18px;height:18px;border-radius:7px;
      border:1px solid rgba(16,24,39,.10);
      background: linear-gradient(135deg, rgba(45,212,191,.18), rgba(167,139,250,.12));
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:2px;
    }

    .article-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    .article-card{
      border-radius: 22px;
      border:1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 26px rgba(16,24,39,.06);
      padding: 16px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      overflow:hidden;
    }
    .article-card:hover{
      transform: translateY(-2px);
      border-color: rgba(96,165,250,.26);
      background: rgba(255,255,255,.90);
    }
    .article-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 12px;
      margin-bottom: 10px;
    }
    .article-head h3{ margin:0; font-size: 16px; letter-spacing:-.2px; }
    .article-list{
      display:flex;
      flex-direction:column;
      gap: 10px;
    }
    .article-list a{
      border-radius: 16px;
      border:1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.62);
      padding: 12px 12px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 12px;
    }
    .article-list a:hover{
      transform: translateY(-2px);
      border-color: rgba(96,165,250,.26);
      background: rgba(255,255,255,.92);
    }
    .article-list .t{
      font-weight: 780;
      font-size: 13.5px;
      line-height:1.35;
    }
    .article-list .m{
      color: var(--muted);
      font-size: 12.5px;
      margin-top: 4px;
      line-height:1.3;
    }
    .article-list .arrow{
      width:30px;height:30px;border-radius: 14px;
      border:1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.66);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      color:#0f172a;
    }

    .footer{
      padding: 18px 0 26px;
      border-top: 1px solid rgba(16,24,39,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.95));
    }
    .footer-wrap{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 14px;
      align-items:start;
    }
    .footer .foot-card{
      border-radius: 22px;
      border:1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.86);
      box-shadow: 0 10px 26px rgba(16,24,39,.06);
      padding: 16px;
    }
    .foot-title{
      display:flex; align-items:center; justify-content:space-between; gap: 12px; flex-wrap:wrap;
      margin-bottom: 10px;
    }
    .foot-title strong{ font-size: 16px; letter-spacing:-.2px; }
    .foot-title span{ color: var(--muted); font-size: 13px; }
    .foot-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .foot-item{
      border-radius: 18px;
      border:1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.66);
      padding: 12px;
    }
    .foot-item h4{
      margin:0 0 6px;
      font-size: 13.5px;
      letter-spacing:-.1px;
    }
    .foot-item p, .foot-item a{
      margin:0;
      color: var(--muted);
      font-size: 13px;
      line-height:1.6;
      word-break:break-word;
    }
    .foot-item a:hover{ color:#1d4ed8; }
    .foot-links{
      display:flex; flex-wrap:wrap; gap: 10px;
      margin-top: 10px;
    }
    .foot-links a{
      padding: 9px 11px;
      border-radius: 999px;
      border:1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.66);
      font-weight: 720;
      font-size: 13px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      white-space:nowrap;
    }
    .foot-links a:hover{
      transform: translateY(-2px);
      border-color: rgba(96,165,250,.28);
      background: rgba(255,255,255,.92);
    }

    .copy{
      margin-top: 14px;
      color: var(--muted);
      font-size: 12.5px;
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      justify-content:space-between;
      gap: 12px;
    }

    .float-kefu{
      position: fixed;
      right: 14px;
      bottom: 14px;
      z-index: 80;
      display:flex;
      flex-direction:column;
      gap: 10px;
      align-items:flex-end;
    }
    .kefu-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap: 10px;
      padding: 12px 14px;
      border-radius: 18px;
      border:1px solid rgba(16,24,39,.12);
      background: rgba(255,255,255,.80);
      box-shadow: 0 16px 46px rgba(16,24,39,.14);
      cursor:pointer;
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
      font-weight: 850;
      color:#0f172a;
      user-select:none;
    }
    .kefu-btn:hover{
      transform: translateY(-2px);
      background: rgba(255,255,255,.95);
      border-color: rgba(96,165,250,.26);
    }
    .kefu-panel{
      width: 270px;
      border-radius: 20px;
      border:1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.92);
      box-shadow: 0 18px 58px rgba(16,24,39,.18);
      overflow:hidden;
      transform-origin: bottom right;
      display:none;
    }
    .kefu-panel.open{ display:block; animation: pop .18s ease-out; }
    @keyframes pop{
      from{ transform: scale(.98); opacity:.7; }
      to{ transform: scale(1); opacity:1; }
    }
    .kefu-panel .head{
      padding: 12px 12px 10px;
      border-bottom:1px solid rgba(16,24,39,.08);
      background: linear-gradient(135deg, rgba(45,212,191,.14), rgba(96,165,250,.10), rgba(167,139,250,.10));
    }
    .kefu-panel .head strong{
      display:block;
      font-size: 14px;
      letter-spacing:-.15px;
    }
    .kefu-panel .head span{
      display:block;
      color: var(--muted);
      font-size: 12.5px;
      margin-top: 4px;
      line-height:1.4;
    }
    .kefu-panel .body{
      padding: 12px;
      display:flex;
      flex-direction:column;
      gap: 10px;
    }
    .qrcode{
      display:flex;
      gap: 12px;
      align-items:center;
      justify-content:space-between;
    }
    .qrcode img{
      width: 98px;
      height: 98px;
      border-radius: 18px;
      border:1px solid rgba(16,24,39,.10);
      background:#fff;
      object-fit:cover;
    }
    .qrcode .info{
      flex:1;
      display:flex;
      flex-direction:column;
      gap: 6px;
    }
    .qrcode .info b{
      font-size: 13.5px;
      letter-spacing:-.1px;
    }
    .qrcode .info p{
      margin:0;
      color: var(--muted);
      font-size: 12.5px;
      line-height:1.5;
    }
    .tiny-row{
      display:flex;
      flex-wrap:wrap;
      gap: 8px;
    }
    .tiny-row a{
      padding: 9px 10px;
      border-radius: 14px;
      border:1px solid rgba(16,24,39,.10);
      background: rgba(255,255,255,.66);
      font-size: 12.5px;
      color:#0f172a;
      font-weight: 760;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .tiny-row a:hover{
      transform: translateY(-2px);
      border-color: rgba(96,165,250,.26);
      background: rgba(255,255,255,.92);
    }

    .to-top{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width: 44px; height:44px;
      border-radius: 18px;
      border:1px solid rgba(16,24,39,.12);
      background: rgba(255,255,255,.80);
      box-shadow: 0 16px 46px rgba(16,24,39,.14);
      cursor:pointer;
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
      color:#0f172a;
    }
    .to-top:hover{
      transform: translateY(-2px);
      background: rgba(255,255,255,.95);
      border-color: rgba(96,165,250,.26);
    }

    .reveal{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .reveal.in{
      opacity:1;
      transform: translateY(0);
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .reveal{ transition:none; opacity:1; transform:none; }
      .card:hover, .metric:hover, .mini-pill:hover, .tstep:hover, .case-item:hover, .comment-card:hover, .article-card:hover, .thumb:hover, .price-card:hover, details.faq[open]{
        transform:none;
      }
    }

    @media (max-width: 980px){
      .hero-grid{ grid-template-columns: 1fr; }
      .hero-card, .hero-side{ min-height: unset; }
      .grid-3{ grid-template-columns: 1fr; }
      .grid-4{ grid-template-columns: 1fr 1fr; }
      .grid-2{ grid-template-columns: 1fr; }
      .steps{ grid-template-columns: 1fr 1fr; }
      .timeline{ grid-template-columns: 1fr; }
      .comments{ grid-template-columns: 1fr; }
      .case-grid{ grid-template-columns: 1fr; }
      .article-grid{ grid-template-columns: 1fr; }
      .price-grid{ grid-template-columns: 1fr; }
      .footer-wrap{ grid-template-columns: 1fr; }
    }
    @media (max-width: 860px){
      .nav-links{ display:none; }
      .nav-cta{ display:none; }
      .mobile-toggle{ display:inline-flex; }
      .mobile-menu{ display:block; }
    }
    @media (max-width: 520px){
      .metrics{ grid-template-columns: 1fr; }
      .steps{ grid-template-columns: 1fr; }
      form{ grid-template-columns: 1fr; }
      .field textarea{ grid-column:auto; }
      .hero-card{ padding: 18px; }
      .hero-side{ padding: 14px; }
      .mini-pill{ min-width: 0; }
      .float-kefu{ right: 10px; bottom: 10px; }
      .kefu-panel{ width: 245px; }
      .compare-table{ min-width: 620px; }
    }