:root{
      --bg: #fbf7f2;
      --surface: #ffffff;
      --text: #1f2330;
      --muted: #5b6376;
      --line: rgba(31,35,48,.12);
      --shadow: 0 14px 35px rgba(17,24,39,.10);
      --shadow2: 0 10px 26px rgba(17,24,39,.10);
      --brand: #ff4d6d;
      --brand2: #3a7bff;
      --accent: #16b3a2;
      --warning: #ff8a3d;
      --radius: 18px;
      --radius2: 14px;
      --max: 1120px;
      --pad: 20px;
      --focus: 0 0 0 4px rgba(58,123,255,.18);
    }
    *{box-sizing:border-box}
    html,body{height:100%}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      background: radial-gradient(1200px 600px at 20% -10%, rgba(58,123,255,.12), transparent 50%),
                  radial-gradient(900px 520px at 80% 0%, rgba(255,77,109,.14), transparent 48%),
                  radial-gradient(1000px 700px at 50% 120%, rgba(22,179,162,.10), transparent 55%),
                  var(--bg);
      color: var(--text);
      line-height: 1.55;
    }
    a{color:inherit; text-decoration:none}
    .container{
      max-width: var(--max);
      margin: 0 auto;
      padding: 0 var(--pad);
    }
    .skip-link{
      position:absolute;
      left:-999px;
      top:10px;
      background: #fff;
      border:1px solid var(--line);
      padding:10px 12px;
      border-radius: 12px;
      z-index:9999;
    }
    .skip-link:focus{left: var(--pad); outline:none; box-shadow: var(--focus)}
    .topbar{
      position:sticky;
      top:0;
      z-index: 50;
      backdrop-filter: blur(10px);
      background: rgba(251,247,242,.72);
      border-bottom: 1px solid rgba(31,35,48,.08);
    }
    .nav{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 14px;
      padding: 12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap: 10px;
      min-width: 210px;
    }
    .brand .logo-wrap{
      width: 40px;
      height: 40px;
      border-radius: 14px;
      background: linear-gradient(135deg, rgba(255,77,109,.18), rgba(58,123,255,.18));
      border: 1px solid rgba(31,35,48,.10);
      display:flex;
      align-items:center;
      justify-content:center;
      overflow:hidden;
      box-shadow: 0 10px 24px rgba(17,24,39,.08);
    }
    .ai-page-logo{width:100%; height:auto; display:block}
    .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);
      margin-top: 4px;
      white-space: nowrap;
    }

    .nav-right{
      display:flex;
      align-items:center;
      gap: 10px;
      justify-content:flex-end;
      flex-wrap: nowrap;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap: 14px;
      flex-wrap: nowrap;
    }
    .nav-links a{
      font-size: 13px;
      color: rgba(31,35,48,.82);
      padding: 8px 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(255,255,255,.65);
      border-color: rgba(31,35,48,.10);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex;
      align-items:center;
      gap: 10px;
      margin-left: 6px;
      white-space: nowrap;
    }
    .btn{
      border:1px solid rgba(31,35,48,.12);
      background: rgba(255,255,255,.72);
      color: var(--text);
      padding: 10px 14px;
      border-radius: 14px;
      font-weight: 650;
      font-size: 13px;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      display:inline-flex;
      align-items:center;
      gap: 9px;
      cursor:pointer;
      user-select:none;
    }
    .btn:focus{outline:none; box-shadow: var(--focus)}
    .btn:hover{transform: translateY(-1px); box-shadow: 0 14px 28px rgba(17,24,39,.12)}
    .btn-primary{
      border-color: rgba(255,77,109,.35);
      background: linear-gradient(135deg, rgba(255,77,109,.98), rgba(58,123,255,.92));
      color: #fff;
      box-shadow: 0 18px 40px rgba(255,77,109,.18);
    }
    .btn-primary:hover{
      box-shadow: 0 22px 52px rgba(58,123,255,.18);
      transform: translateY(-1px);
    }
    .btn-ghost{
      background: rgba(255,255,255,.58);
    }
    .btn .dot{
      width: 10px; height: 10px; border-radius: 50%;
      background: rgba(255,255,255,.95);
      box-shadow: 0 0 0 3px rgba(255,255,255,.22);
    }
    .menu-btn{
      display:none;
      padding: 10px 12px;
      border-radius: 14px;
      border:1px solid rgba(31,35,48,.12);
      background: rgba(255,255,255,.72);
      color: var(--text);
      font-weight: 700;
      cursor:pointer;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .menu-btn:focus{outline:none; box-shadow: var(--focus)}
    .menu-btn:hover{transform: translateY(-1px); box-shadow: 0 14px 28px rgba(17,24,39,.12)}
    .burger{
      width: 18px; height: 14px; position: relative;
      display:inline-block;
    }
    .burger span{
      position:absolute; left:0; right:0;
      height:2px; background: rgba(31,35,48,.85);
      border-radius: 999px;
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .burger span:nth-child(1){top:1px}
    .burger span:nth-child(2){top:6px}
    .burger span:nth-child(3){top:11px}
    .menu-open .burger span:nth-child(1){top:6px; transform: rotate(45deg)}
    .menu-open .burger span:nth-child(2){opacity:0}
    .menu-open .burger span:nth-child(3){top:6px; transform: rotate(-45deg)}
    .mobile-panel{
      display:none;
      border-top:1px solid rgba(31,35,48,.08);
      padding: 10px 0 14px;
    }
    .mobile-panel .row{
      display:flex; gap: 10px; align-items:center; justify-content:space-between; flex-wrap: wrap;
    }
    .mobile-panel .links{
      display:flex; flex-wrap: wrap; gap: 10px; margin-top: 10px;
    }
    .mobile-panel .links a{
      font-size: 13px;
      padding: 9px 11px;
      border-radius: 14px;
      background: rgba(255,255,255,.65);
      border:1px solid rgba(31,35,48,.10);
      color: rgba(31,35,48,.86);
    }

    main{padding-bottom: 26px}
    section{padding: 54px 0}
    .hero{
      padding-top: 34px;
      padding-bottom: 18px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 18px;
      align-items: stretch;
    }
    .hero-card{
      background:
        radial-gradient(900px 260px at 30% 0%, rgba(255,77,109,.22), transparent 55%),
        radial-gradient(700px 260px at 80% 20%, rgba(58,123,255,.20), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.75), rgba(255,255,255,.60));
      border: 1px solid rgba(31,35,48,.10);
      border-radius: calc(var(--radius) + 6px);
      box-shadow: var(--shadow);
      padding: 26px;
      position: relative;
      overflow:hidden;
      min-height: 360px;
    }
    .hero-card:before{
      content:"";
      position:absolute;
      inset:-120px -120px auto auto;
      width: 240px; height: 240px;
      background: radial-gradient(circle at 30% 30%, rgba(255,77,109,.38), transparent 60%);
      filter: blur(2px);
      transform: rotate(20deg);
      pointer-events:none;
    }
    .hero-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 14px;
      flex-wrap: wrap;
      margin-bottom: 14px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap: 10px;
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid rgba(31,35,48,.10);
      background: rgba(255,255,255,.65);
      color: rgba(31,35,48,.90);
      font-size: 13px;
      font-weight: 650;
    }
    .pill .chip{
      width: 10px; height: 10px; border-radius: 50%;
      background: linear-gradient(135deg, var(--brand), var(--brand2));
      box-shadow: 0 0 0 3px rgba(255,77,109,.16);
    }
    .hero-title{
      font-size: 40px;
      letter-spacing: -.6px;
      margin: 6px 0 12px;
      line-height: 1.12;
    }
    .hero-sub{
      color: var(--muted);
      font-size: 15px;
      margin: 0 0 18px;
      max-width: 58ch;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 14px;
    }
    .hero-mini{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 18px;
    }
    .mini-stat{
      background: rgba(255,255,255,.70);
      border:1px solid rgba(31,35,48,.10);
      border-radius: var(--radius2);
      padding: 12px 12px;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .mini-stat:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 35px rgba(17,24,39,.10);
    }
    .mini-stat .k{
      font-weight: 900;
      font-size: 18px;
      letter-spacing: -.2px;
      margin-bottom: 6px;
    }
    .mini-stat .v{
      color: var(--muted);
      font-size: 12.5px;
      line-height: 1.3;
    }
    .hero-side{
      background: linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.58));
      border:1px solid rgba(31,35,48,.10);
      border-radius: calc(var(--radius) + 2px);
      box-shadow: var(--shadow2);
      padding: 18px;
      display:flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 14px;
      position:relative;
      overflow:hidden;
      min-height: 360px;
    }
    .hero-side:after{
      content:"";
      position:absolute;
      inset:auto -40px -70px auto;
      width: 260px; height: 260px;
      background: radial-gradient(circle at 40% 40%, rgba(22,179,162,.22), transparent 62%);
      pointer-events:none;
    }
    .side-head{
      display:flex; align-items:flex-start; justify-content:space-between; gap: 10px;
      position:relative;
      z-index:1;
    }
    .side-head h2{
      margin: 0;
      font-size: 16px;
      letter-spacing: -.1px;
    }
    .badge{
      display:inline-flex; align-items:center; gap: 8px;
      border-radius: 999px;
      padding: 8px 10px;
      background: rgba(58,123,255,.10);
      border: 1px solid rgba(58,123,255,.20);
      color: rgba(31,35,48,.92);
      font-size: 12.5px;
      font-weight: 750;
      white-space: nowrap;
    }
    .badge i{
      width: 10px; height: 10px; border-radius: 50%;
      background: rgba(58,123,255,.95);
      box-shadow: 0 0 0 3px rgba(58,123,255,.18);
      display:inline-block;
    }
    .step-mini{
      position:relative;
      z-index:1;
      display:flex;
      flex-direction: column;
      gap: 10px;
    }
    .step-line{
      display:grid;
      grid-template-columns: auto 1fr;
      gap: 12px;
      align-items:flex-start;
      padding: 10px 10px;
      border-radius: 14px;
      border:1px solid rgba(31,35,48,.10);
      background: rgba(255,255,255,.62);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .step-line:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 30px rgba(17,24,39,.10);
      border-color: rgba(58,123,255,.22);
    }
    .step-no{
      width: 30px; height: 30px;
      border-radius: 12px;
      display:flex; align-items:center; justify-content:center;
      font-weight: 900;
      font-size: 13px;
      color: #fff;
      background: linear-gradient(135deg, rgba(255,77,109,.98), rgba(58,123,255,.92));
      box-shadow: 0 14px 28px rgba(58,123,255,.16);
      flex: 0 0 auto;
    }
    .step-line .t{
      font-weight: 800;
      margin: 0;
      font-size: 13.5px;
    }
    .step-line .d{
      margin: 4px 0 0;
      color: var(--muted);
      font-size: 12.5px;
      line-height: 1.3;
    }

    .section-title{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap: 14px;
      margin-bottom: 18px;
      flex-wrap: wrap;
    }
    .section-title h2{
      margin: 0;
      font-size: 26px;
      letter-spacing: -.4px;
    }
    .section-title p{
      margin: 0;
      color: var(--muted);
      max-width: 62ch;
      font-size: 14px;
    }
    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .card{
      background: rgba(255,255,255,.72);
      border:1px solid rgba(31,35,48,.10);
      border-radius: var(--radius);
      padding: 16px;
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 38px rgba(17,24,39,.10);
      border-color: rgba(255,77,109,.22);
    }
    .card h3{
      margin: 10px 0 8px;
      font-size: 16px;
      letter-spacing: -.2px;
    }
    .card p{
      margin: 0;
      color: var(--muted);
      font-size: 13.5px;
    }
    .icon{
      width: 42px; height: 42px;
      border-radius: 16px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(31,35,48,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.75), rgba(255,255,255,.55));
      box-shadow: 0 14px 28px rgba(17,24,39,.08);
    }
    .icon svg{width: 20px; height: 20px}
    .flow{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 14px;
      align-items:start;
    }
    .flow-steps{
      display:grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }
    .step-card{
      padding: 16px;
      border-radius: var(--radius);
      background: rgba(255,255,255,.70);
      border:1px solid rgba(31,35,48,.10);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      min-height: 160px;
      position:relative;
      overflow:hidden;
    }
    .step-card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 38px rgba(17,24,39,.10);
      border-color: rgba(58,123,255,.22);
    }
    .step-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 10px;
      margin-bottom: 10px;
    }
    .step-tag{
      font-size: 12px;
      font-weight: 900;
      color: rgba(31,35,48,.92);
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(255,77,109,.10);
      border:1px solid rgba(255,77,109,.20);
    }
    .step-num{
      width: 34px; height: 34px;
      border-radius: 14px;
      display:flex; align-items:center; justify-content:center;
      font-weight: 950;
      color: #fff;
      background: linear-gradient(135deg, rgba(255,77,109,.98), rgba(58,123,255,.92));
      box-shadow: 0 18px 44px rgba(58,123,255,.18);
      flex: 0 0 auto;
    }
    .step-card h3{
      margin: 0 0 8px;
      font-size: 16px;
      letter-spacing: -.2px;
    }
    .step-card .meta{
      color: var(--muted);
      font-size: 13.3px;
      margin: 0;
    }
    .side-panel{
      background: linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.58));
      border: 1px solid rgba(31,35,48,.10);
      border-radius: var(--radius);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      padding: 16px;
      position: sticky;
      top: 78px;
    }
    .side-panel h3{
      margin: 2px 0 8px;
      font-size: 16px;
      letter-spacing: -.2px;
    }
    .side-panel p{
      margin: 0 0 12px;
      color: var(--muted);
      font-size: 13.5px;
    }
    .bullets{
      display:flex;
      flex-direction: column;
      gap: 10px;
      margin: 12px 0 16px;
      padding: 0;
      list-style: none;
    }
    .bullets li{
      display:flex; gap: 10px; align-items:flex-start;
      padding: 10px 10px;
      border-radius: 14px;
      border:1px solid rgba(31,35,48,.10);
      background: rgba(255,255,255,.62);
    }
    .check{
      width: 22px; height: 22px;
      border-radius: 9px;
      background: rgba(22,179,162,.14);
      border:1px solid rgba(22,179,162,.26);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top: 1px;
    }
    .check svg{width: 14px; height: 14px}
    .bullets .b-t{
      font-weight: 850;
      font-size: 13.5px;
      margin: 0;
    }
    .bullets .b-d{
      color: var(--muted);
      font-size: 12.8px;
      margin: 3px 0 0;
      line-height: 1.35;
    }
    .side-cta{
      display:flex;
      gap: 10px;
      flex-wrap: wrap;
      align-items:center;
    }

    .table-wrap{
      overflow:auto;
      border-radius: var(--radius);
      border:1px solid rgba(31,35,48,.10);
      background: rgba(255,255,255,.68);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
    }
    table{
      width: 100%;
      border-collapse: collapse;
      min-width: 840px;
    }
    th,td{
      padding: 14px 14px;
      border-bottom: 1px solid rgba(31,35,48,.08);
      text-align: left;
      vertical-align: top;
      font-size: 13.5px;
    }
    th{
      color: rgba(31,35,48,.92);
      background: rgba(58,123,255,.08);
      font-weight: 900;
    }
    td{
      color: rgba(31,35,48,.84);
    }
    .mark-yes{
      display:inline-flex; align-items:center; gap: 8px;
      font-weight: 850;
    }
    .mark-yes i{
      width: 18px; height: 18px;
      border-radius: 8px;
      background: rgba(22,179,162,.15);
      border:1px solid rgba(22,179,162,.28);
      display:inline-flex; align-items:center; justify-content:center;
    }
    .mark-yes svg{width: 12px; height: 12px}
    .mark-no{
      color: rgba(31,35,48,.55);
      font-weight: 700;
    }
    .compare-head{
      display:flex; align-items:flex-start; justify-content:space-between; gap: 14px; flex-wrap: wrap;
      margin-bottom: 14px;
    }
    .rating-card{
      display:flex;
      align-items:center;
      gap: 14px;
      padding: 14px 14px;
      border-radius: var(--radius);
      border: 1px solid rgba(31,35,48,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.58));
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
    }
    .stars{
      display:flex; gap: 4px; align-items:center;
    }
    .stars svg{width: 18px; height: 18px}
    .rating-meta{
      display:flex; flex-direction: column; gap: 4px;
    }
    .rating-meta strong{
      font-size: 16px;
      letter-spacing: -.2px;
    }
    .rating-meta span{
      color: var(--muted);
      font-size: 13px;
    }

    .tabs{
      display:flex;
      gap: 10px;
      flex-wrap: wrap;
      align-items:center;
      margin-bottom: 14px;
    }
    .tab{
      padding: 10px 12px;
      border-radius: 999px;
      border:1px solid rgba(31,35,48,.10);
      background: rgba(255,255,255,.65);
      color: rgba(31,35,48,.86);
      font-weight: 850;
      font-size: 13px;
      cursor:pointer;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .tab:hover{transform: translateY(-1px)}
    .tab[aria-selected="true"]{
      border-color: rgba(255,77,109,.32);
      background: linear-gradient(135deg, rgba(255,77,109,.18), rgba(58,123,255,.14));
      box-shadow: 0 18px 40px rgba(255,77,109,.10);
    }
    .market{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    .timeline{
      border-radius: var(--radius);
      border:1px solid rgba(31,35,48,.10);
      background: rgba(255,255,255,.68);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      padding: 16px;
    }
    .timeline h3{margin: 0 0 10px; font-size: 16px; letter-spacing: -.2px}
    .t-item{
      display:grid;
      grid-template-columns: auto 1fr;
      gap: 12px;
      padding: 12px 10px;
      border-radius: 14px;
      border:1px solid rgba(31,35,48,.08);
      background: rgba(255,255,255,.62);
      margin-top: 10px;
    }
    .t-dot{
      width: 12px; height: 12px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--brand), var(--brand2));
      box-shadow: 0 0 0 4px rgba(58,123,255,.14);
      margin-top: 4px;
    }
    .t-item strong{display:block; font-size: 13.8px}
    .t-item span{display:block; color: var(--muted); font-size: 12.9px; margin-top: 4px}
    .price-card{
      border-radius: var(--radius);
      border:1px solid rgba(31,35,48,.10);
      background:
        radial-gradient(800px 240px at 0% 0%, rgba(255,77,109,.18), transparent 52%),
        radial-gradient(680px 240px at 100% 20%, rgba(58,123,255,.15), transparent 52%),
        rgba(255,255,255,.66);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      padding: 16px;
    }
    .price-card h3{margin: 0 0 8px; font-size: 16px}
    .seg{
      display:flex; gap: 10px; flex-wrap: wrap; margin: 10px 0 12px;
    }
    .seg button{
      border:1px solid rgba(31,35,48,.10);
      background: rgba(255,255,255,.65);
      color: rgba(31,35,48,.86);
      padding: 9px 11px;
      border-radius: 999px;
      font-weight: 850;
      cursor:pointer;
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
      font-size: 13px;
    }
    .seg button:hover{transform: translateY(-1px)}
    .seg button[aria-pressed="true"]{
      border-color: rgba(58,123,255,.32);
      background: linear-gradient(135deg, rgba(58,123,255,.18), rgba(22,179,162,.12));
    }
    .price-list{
      display:flex;
      flex-direction: column;
      gap: 10px;
    }
    .price-row{
      display:flex; align-items:flex-start; justify-content:space-between; gap: 12px;
      padding: 12px 12px;
      border-radius: 14px;
      border:1px solid rgba(31,35,48,.10);
      background: rgba(255,255,255,.62);
    }
    .price-row strong{font-size: 13.8px}
    .price-row .small{color: var(--muted); font-size: 12.8px; margin-top: 4px}
    .price-row .range{
      text-align:right;
      font-weight: 950;
      letter-spacing: -.2px;
      color: rgba(31,35,48,.92);
      min-width: 150px;
    }
    .price-row .range span{
      display:block;
      font-weight: 800;
      font-size: 12.2px;
      color: var(--muted);
      margin-top: 4px;
    }

    .faq{
      max-width: 980px;
      margin: 0 auto;
    }
    details{
      background: rgba(255,255,255,.70);
      border:1px solid rgba(31,35,48,.10);
      border-radius: var(--radius);
      padding: 12px 14px;
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      margin-top: 12px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    details[open]{
      border-color: rgba(255,77,109,.22);
      box-shadow: 0 18px 38px rgba(17,24,39,.10);
    }
    summary{
      cursor:pointer;
      list-style:none;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 14px;
      font-weight: 900;
      letter-spacing: -.2px;
      padding: 4px 0;
    }
    summary::-webkit-details-marker{display:none}
    .sum-left{display:flex; gap: 12px; align-items:flex-start}
    .qmark{
      width: 30px; height: 30px;
      border-radius: 14px;
      background: linear-gradient(135deg, rgba(255,77,109,.18), rgba(58,123,255,.14));
      border: 1px solid rgba(31,35,48,.10);
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
      margin-top: 0;
    }
    .qmark svg{width: 16px; height: 16px; opacity:.9}
    .chev{
      width: 30px; height: 30px;
      border-radius: 14px;
      border:1px solid rgba(31,35,48,.10);
      background: rgba(255,255,255,.62);
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
      transition: transform .2s ease;
    }
    details[open] .chev{transform: rotate(180deg)}
    .faq-a{
      color: var(--muted);
      margin-top: 8px;
      font-size: 13.6px;
      line-height: 1.65;
      padding-right: 10px;
    }

    .reviews{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .review{
      background: rgba(255,255,255,.70);
      border:1px solid rgba(31,35,48,.10);
      border-radius: var(--radius);
      padding: 16px;
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      min-height: 180px;
      position:relative;
      overflow:hidden;
    }
    .review:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 38px rgba(17,24,39,.10);
      border-color: rgba(58,123,255,.22);
    }
    .review .top{
      display:flex; align-items:center; justify-content:space-between; gap: 10px;
      margin-bottom: 10px;
    }
    .avatar{
      display:flex; align-items:center; gap: 10px;
    }
    .face{
      width: 38px; height: 38px;
      border-radius: 16px;
      background: linear-gradient(135deg, rgba(255,77,109,.18), rgba(58,123,255,.14));
      border:1px solid rgba(31,35,48,.10);
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
      font-weight: 1000;
      color: rgba(31,35,48,.88);
    }
    .who strong{display:block; font-size: 13.8px}
    .who span{display:block; color: var(--muted); font-size: 12.7px; margin-top: 3px}
    .review p{
      margin: 0;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.65;
    }

    .cases-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }
    .case-card{
      background: rgba(255,255,255,.70);
      border:1px solid rgba(31,35,48,.10);
      border-radius: var(--radius);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      padding: 16px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      overflow:hidden;
      position:relative;
    }
    .case-card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 38px rgba(17,24,39,.10);
      border-color: rgba(255,77,109,.22);
    }
    .case-row{
      display:flex; align-items:flex-start; justify-content:space-between; gap: 12px; flex-wrap: wrap;
    }
    .case-tags{
      display:flex; gap: 8px; flex-wrap: wrap; margin-top: 8px;
    }
    .tbadge{
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid rgba(31,35,48,.10);
      background: rgba(255,255,255,.62);
      font-weight: 850;
      font-size: 12.5px;
      color: rgba(31,35,48,.86);
    }
    .case-card h3{margin: 10px 0 6px; font-size: 16px}
    .case-card p{margin: 0; color: var(--muted); font-size: 13.5px}
    .case-ops{
      display:flex; gap: 10px; flex-wrap: wrap; margin-top: 12px;
      align-items:center;
    }

    .list-section{
      background: rgba(255,255,255,.55);
      border:1px solid rgba(31,35,48,.10);
      border-radius: calc(var(--radius) + 2px);
      box-shadow: 0 10px 24px rgba(17,24,39,.05);
      padding: 16px;
    }
    .two-col{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    .media-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 12px;
    }
    .imgbox{
      border-radius: var(--radius);
      border:1px solid rgba(31,35,48,.10);
      background: rgba(255,255,255,.65);
      overflow:hidden;
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      display:flex;
      flex-direction: column;
      min-height: 220px;
    }
    .imgbox .imgwrap{
      position:relative;
      width:100%;
      aspect-ratio: 16/9;
      background: linear-gradient(135deg, rgba(255,77,109,.10), rgba(58,123,255,.10));
    }
    .imgbox .imgwrap:after{
      content:"";
      position:absolute;
      inset:0;
      background: radial-gradient(circle at 20% 20%, rgba(255,255,255,.65), transparent 55%);
      pointer-events:none;
      opacity:.9;
    }
    .imgbox img{
      width:100%;
      height:100%;
      object-fit: cover;
      display:block;
    }
    .imgbox .cap{
      padding: 12px 12px 14px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.35;
    }

    .article-list{
      display:flex; flex-direction: column; gap: 10px;
      margin-top: 12px;
    }
    .article{
      display:flex; align-items:flex-start; justify-content:space-between; gap: 12px;
      padding: 12px 12px;
      border-radius: 14px;
      border:1px solid rgba(31,35,48,.10);
      background: rgba(255,255,255,.62);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .article:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 38px rgba(17,24,39,.10);
      border-color: rgba(58,123,255,.22);
    }
    .article .a-title{
      font-weight: 950;
      font-size: 13.8px;
      margin: 0;
    }
    .article .a-sub{
      margin: 6px 0 0;
      color: var(--muted);
      font-size: 12.9px;
      line-height: 1.35;
    }
    .article .go{
      flex:0 0 auto;
      font-weight: 950;
      color: rgba(31,35,48,.82);
      border:1px solid rgba(31,35,48,.12);
      background: rgba(255,255,255,.64);
      padding: 10px 12px;
      border-radius: 14px;
      transition: transform .2s ease, box-shadow .2s ease;
      white-space: nowrap;
    }
    .article:hover .go{transform: translateY(-1px); box-shadow: 0 14px 28px rgba(17,24,39,.10)}

    form{
      display:grid;
      gap: 10px;
      margin-top: 12px;
    }
    .field-row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    label{
      display:flex;
      flex-direction: column;
      gap: 7px;
      font-weight: 850;
      font-size: 13px;
      color: rgba(31,35,48,.90);
    }
    input, select, textarea{
      width:100%;
      padding: 12px 12px;
      border-radius: 14px;
      border:1px solid rgba(31,35,48,.14);
      background: rgba(255,255,255,.78);
      color: var(--text);
      outline:none;
      font-size: 14px;
      transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease;
    }
    textarea{min-height: 110px; resize: vertical}
    input:focus, select:focus, textarea:focus{
      box-shadow: var(--focus);
      border-color: rgba(58,123,255,.40);
    }
    .helper{
      color: var(--muted);
      font-size: 12.8px;
      margin-top: -2px;
    }
    .form-actions{
      display:flex; gap: 10px; align-items:center; flex-wrap: wrap;
      margin-top: 2px;
    }
    .fineprint{
      color: var(--muted);
      font-size: 12.6px;
      line-height: 1.45;
      margin: 0;
    }

    .cloud-tags{
      display:flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 12px;
    }
    .cloud-tags a{
      border:1px solid rgba(31,35,48,.10);
      background: rgba(255,255,255,.64);
      color: rgba(31,35,48,.86);
      padding: 9px 11px;
      border-radius: 999px;
      font-weight: 850;
      font-size: 13px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .cloud-tags a:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 38px rgba(17,24,39,.10);
      border-color: rgba(255,77,109,.22);
    }

    .footer{
      padding: 22px 0 28px;
      border-top:1px solid rgba(31,35,48,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.40), rgba(255,255,255,.55));
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.25fr .75fr;
      gap: 14px;
      align-items:start;
    }
    .foot-card{
      background: rgba(255,255,255,.70);
      border:1px solid rgba(31,35,48,.10);
      border-radius: var(--radius);
      padding: 16px;
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
    }
    .foot-title{
      margin: 0 0 8px;
      font-size: 16px;
      letter-spacing: -.2px;
    }
    .foot-p{
      margin: 0;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.6;
    }
    .foot-links{
      display:flex; gap: 10px; flex-wrap: wrap; margin-top: 12px;
    }
    .foot-links a{
      padding: 9px 10px;
      border-radius: 999px;
      border:1px solid rgba(31,35,48,.10);
      background: rgba(255,255,255,.62);
      color: rgba(31,35,48,.86);
      font-weight: 850;
      font-size: 12.8px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .foot-links a:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 38px rgba(17,24,39,.10);
      border-color: rgba(58,123,255,.22);
    }
    .foot-right .qrcode{
      display:flex; align-items:center; gap: 12px;
      margin-top: 10px;
    }
    .qr{
      width: 86px;
      border-radius: 18px;
      border:1px solid rgba(31,35,48,.10);
      background: rgba(255,255,255,.65);
      padding: 8px;
    }
    .qmeta strong{display:block; font-size: 13.8px}
    .qmeta span{display:block; color: var(--muted); font-size: 12.8px; margin-top: 4px}
    .copy{
      margin-top: 12px;
      color: rgba(31,35,48,.62);
      font-size: 12.6px;
      display:flex;
      gap: 10px;
      flex-wrap: wrap;
      align-items:center;
      justify-content:space-between;
    }

    .float-chat{
      position: fixed;
      right: 16px;
      bottom: 16px;
      z-index: 60;
      display:flex;
      flex-direction: column;
      gap: 10px;
      align-items:flex-end;
    }
    .chat-btn{
      display:flex;
      align-items:center;
      gap: 10px;
      padding: 12px 14px;
      border-radius: 18px;
      background: linear-gradient(135deg, rgba(255,77,109,.98), rgba(58,123,255,.92));
      color:#fff;
      border: none;
      box-shadow: 0 18px 44px rgba(58,123,255,.20);
      cursor:pointer;
      transition: transform .2s ease, box-shadow .2s ease;
      font-weight: 950;
      letter-spacing: -.1px;
    }
    .chat-btn:hover{transform: translateY(-2px); box-shadow: 0 22px 52px rgba(58,123,255,.26)}
    .chat-btn:focus{outline:none; box-shadow: var(--focus)}
    .chat-btn svg{width: 18px; height: 18px}
    .wechat-pop{
      display:none;
      width: 240px;
      border-radius: 22px;
      padding: 12px;
      background: rgba(255,255,255,.78);
      border:1px solid rgba(31,35,48,.12);
      box-shadow: 0 22px 55px rgba(17,24,39,.18);
      transform-origin: 100% 100%;
      animation: popIn .18s ease-out;
    }
    @keyframes popIn{
      from{opacity:0; transform: scale(.96) translateY(6px)}
      to{opacity:1; transform: scale(1) translateY(0)}
    }
    .wechat-pop .pop-head{
      display:flex; align-items:center; justify-content:space-between; gap: 10px;
      margin-bottom: 10px;
    }
    .wechat-pop .pop-head strong{
      font-size: 13.8px; letter-spacing: -.2px;
    }
    .close-pop{
      width: 34px; height: 34px;
      border-radius: 14px;
      border:1px solid rgba(31,35,48,.12);
      background: rgba(255,255,255,.66);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .2s ease;
    }
    .close-pop:hover{transform: translateY(-1px)}
    .close-pop:focus{outline:none; box-shadow: var(--focus)}
    .wechat-pop .row{
      display:flex; gap: 12px; align-items:flex-start;
    }
    .wechat-pop img{
      width: 86px; height: 86px;
      object-fit: cover;
      border-radius: 18px;
      border:1px solid rgba(31,35,48,.10);
      background: rgba(255,255,255,.65);
      padding: 7px;
    }
    .wechat-pop .txt strong{display:block; font-size: 13.8px}
    .wechat-pop .txt span{display:block; color: var(--muted); font-size: 12.8px; margin-top: 4px; line-height: 1.4}
    .backtop{
      display:none;
      width: 46px; height: 46px;
      border-radius: 18px;
      border:1px solid rgba(31,35,48,.12);
      background: rgba(255,255,255,.72);
      cursor:pointer;
      box-shadow: 0 14px 28px rgba(17,24,39,.10);
      align-items:center; justify-content:center;
      transition: transform .2s ease;
    }
    .backtop:hover{transform: translateY(-2px)}
    .backtop:focus{outline:none; box-shadow: var(--focus)}
    .backtop svg{width: 18px; height: 18px; color: rgba(31,35,48,.86)}

    .reveal{
      opacity: 0;
      transform: translateY(10px);
      transition: opacity .45s ease, transform .45s ease;
    }
    .reveal.show{
      opacity: 1;
      transform: translateY(0);
    }
    @media (prefers-reduced-motion: reduce){
      .reveal{transition:none}
      .reveal.show{transform:none}
      .btn, .card, .step-card, .review, .article, details, .tab{transition:none}
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr}
      .hero-card, .hero-side{min-height: auto}
      .flow{grid-template-columns: 1fr}
      .side-panel{position:relative; top:auto}
      .grid-3{grid-template-columns: 1fr}
      .reviews{grid-template-columns: 1fr}
      .cases-grid{grid-template-columns: 1fr}
      .two-col{grid-template-columns: 1fr}
      .market{grid-template-columns: 1fr}
      .flow-steps{grid-template-columns: 1fr}
      table{min-width: 740px}
      .nav-links{display:none}
      .menu-btn{display:inline-flex; align-items:center; gap: 10px}
      .mobile-panel{display:none}
      .mobile-panel.show{display:block}
      .mobile-panel .row{flex-direction: column; align-items:flex-start}
      .nav-right .nav-cta{margin-left: 0}
    }
    @media (max-width: 520px){
      .hero-title{font-size: 30px}
      .hero-card{padding: 18px}
      .hero-side{padding: 14px}
      .hero-mini{grid-template-columns: 1fr}
      .field-row{grid-template-columns: 1fr}
      .reviews .review{min-height: auto}
      .float-chat{right: 12px; bottom: 12px}
      .wechat-pop{width: 210px}
      .wechat-pop .row{flex-direction: row}
      table{min-width: 680px}
    }