:root{
      --bg: #0b1020;
      --paper: #ffffff;
      --paper2: #f6f7fb;
      --text: #14161c;
      --muted: #5b6270;
      --brand: #ff2d6d;
      --brand2: #6d5cff;
      --brand3: #00c2ff;
      --line: rgba(20,22,28,.10);
      --shadow: 0 12px 36px rgba(9,14,26,.10);
      --shadow2: 0 10px 26px rgba(255,45,109,.14);
      --radius-xl: 26px;
      --radius-lg: 18px;
      --radius-md: 14px;
      --radius-sm: 12px;
      --max: 1120px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(1200px 600px at 20% -10%, rgba(255,45,109,.14), rgba(255,45,109,0) 55%),
        radial-gradient(1000px 520px at 85% 0%, rgba(109,92,255,.16), rgba(109,92,255,0) 58%),
        radial-gradient(900px 480px at 40% 40%, rgba(0,194,255,.10), rgba(0,194,255,0) 60%),
        linear-gradient(180deg, #f7f8fd 0%, #ffffff 35%, #fbfbfe 100%);
      overflow-x:hidden;
    }
    a{color:inherit; text-decoration:none}
    .container{max-width: var(--max); margin:0 auto; padding:0 18px}
    .skip{
      position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip:focus{
      left:18px; top:12px; width:auto; height:auto; padding:10px 12px;
      background:#fff; border:1px solid var(--line); border-radius:12px; z-index:9999;
      box-shadow: var(--shadow);
    }

    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(255,255,255,.68);
      border-bottom: 1px solid rgba(20,22,28,.08);
    }
    .nav-wrap{display:flex; align-items:center; justify-content:space-between; gap:14px; padding:12px 0}
    .brand{
      display:flex; align-items:center; gap:12px; min-width: 170px;
    }
    .ai-page-logo{
      width:40px; height:40px; object-fit:contain; border-radius:10px;
      background: radial-gradient(circle at 30% 30%, rgba(255,45,109,.16), rgba(255,45,109,0) 60%),
                  radial-gradient(circle at 70% 70%, rgba(109,92,255,.14), rgba(109,92,255,0) 60%),
                  #fff;
      padding:8px;
      box-shadow: 0 10px 28px rgba(9,14,26,.10);
    }
    .brand-title{display:flex; flex-direction:column; line-height:1.1}
    .brand-title strong{font-size:14px; letter-spacing:.2px}
    .brand-title span{font-size:12px; color: var(--muted)}
    nav .menu{
      display:flex; align-items:center; gap:16px; flex-wrap:wrap; justify-content:flex-end;
    }
    .menu a{
      font-size:13px; color: #20232b;
      padding:10px 10px; border-radius:12px;
      transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
      white-space:nowrap;
    }
    .menu a:hover{
      background: rgba(255,45,109,.10);
      box-shadow: 0 10px 24px rgba(255,45,109,.12);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex; align-items:center; gap:10px; justify-content:flex-end;
      min-width: 210px;
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:10px;
      padding: 11px 14px; border-radius: 14px;
      border: 1px solid rgba(20,22,28,.12);
      background:#fff; color:#161820;
      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:active{transform: translateY(1px)}
    .btn-primary{
      border-color: rgba(255,45,109,.25);
      background: linear-gradient(135deg, rgba(255,45,109,.95), rgba(109,92,255,.95));
      color:#fff;
      box-shadow: 0 16px 34px rgba(255,45,109,.18);
    }
    .btn-primary:hover{box-shadow: 0 20px 44px rgba(255,45,109,.26); transform: translateY(-1px)}
    .btn-ghost{
      background: rgba(255,255,255,.72);
    }
    .btn-small{padding:9px 12px; border-radius:12px; font-weight:650}
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      border: 1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.65);
      padding: 9px 12px; border-radius: 999px;
      font-size: 12px; color:#2a2d36;
      white-space:nowrap;
    }
    .dot{
      width:10px; height:10px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, #fff, rgba(255,255,255,.2) 38%),
                  linear-gradient(180deg, var(--brand) 0%, var(--brand2) 100%);
      box-shadow: 0 10px 22px rgba(255,45,109,.22);
    }

    .mobile-toggle{
      display:none;
      width:44px; height:44px;
      border-radius:14px;
      border: 1px solid rgba(20,22,28,.12);
      background:#fff;
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .mobile-toggle:active{transform: translateY(1px)}
    .burger{
      width:18px; height:12px; margin:0 auto; position:relative;
    }
    .burger span{
      position:absolute; left:0; right:0; height:2px; border-radius:2px;
      background:#1b1e26;
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .burger span:nth-child(1){top:0}
    .burger span:nth-child(2){top:5px}
    .burger span:nth-child(3){top:10px}
    .mobile-open .burger span:nth-child(1){top:5px; transform: rotate(45deg)}
    .mobile-open .burger span:nth-child(2){opacity:0}
    .mobile-open .burger span:nth-child(3){top:5px; transform: rotate(-45deg)}

    main{padding: 10px 0 10px}
    .hero{
      position:relative;
      padding: 26px 0 18px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.25fr .75fr;
      gap: 18px;
      align-items: stretch;
    }
    .hero-left{
      border-radius: var(--radius-xl);
      padding: 26px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.78), rgba(255,255,255,.52)),
        radial-gradient(900px 420px at 20% 0%, rgba(255,45,109,.20), rgba(255,45,109,0) 60%),
        radial-gradient(700px 420px at 85% 20%, rgba(109,92,255,.18), rgba(109,92,255,0) 58%),
        linear-gradient(180deg, rgba(255,255,255,.7), rgba(255,255,255,.4));
      border: 1px solid rgba(20,22,28,.08);
      box-shadow: var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero-left:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(18px 18px at 18% 26%, rgba(255,45,109,.75), rgba(255,45,109,0) 60%),
        radial-gradient(16px 16px at 72% 18%, rgba(109,92,255,.7), rgba(109,92,255,0) 62%),
        radial-gradient(14px 14px at 85% 62%, rgba(0,194,255,.55), rgba(0,194,255,0) 60%);
      opacity:.55;
      pointer-events:none;
      filter: blur(.2px);
      transform: translateZ(0);
      animation: floatDots 8s ease-in-out infinite;
    }
    @keyframes floatDots{
      0%,100%{transform: translateY(0)}
      50%{transform: translateY(10px)}
    }
    .hero-content{position:relative; z-index:2}
    .hero-top{display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-bottom: 14px}
    h1{
      margin: 6px 0 10px;
      font-size: 34px;
      line-height: 1.15;
      letter-spacing: -.6px;
      color:#10131a;
    }
    .lead{
      margin: 0 0 18px;
      color: rgba(16,19,26,.76);
      font-size: 14px;
      line-height:1.75;
      max-width: 62ch;
    }
    .hero-actions{
      display:flex; align-items:center; gap:12px; flex-wrap:wrap;
      margin-bottom: 18px;
    }
    .meta-row{
      display:flex; align-items:center; justify-content:space-between;
      gap: 12px; flex-wrap:wrap;
      border-top: 1px dashed rgba(20,22,28,.12);
      padding-top: 14px;
      margin-top: 18px;
    }
    .meta-item{
      display:flex; flex-direction:column; gap:4px;
      min-width: 160px;
    }
    .meta-item strong{
      font-size:14px;
      letter-spacing:.2px;
    }
    .meta-item span{
      font-size:12px; color: var(--muted);
      line-height:1.4;
    }

    .hero-right{
      border-radius: var(--radius-xl);
      background:
        linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.50));
      border: 1px solid rgba(20,22,28,.08);
      box-shadow: var(--shadow);
      padding: 18px;
      overflow:hidden;
      position:relative;
    }
    .hero-right:after{
      content:"";
      position:absolute; inset:-1px;
      background:
        radial-gradient(500px 260px at 40% 10%, rgba(255,45,109,.18), rgba(255,45,109,0) 62%),
        radial-gradient(480px 260px at 88% 70%, rgba(109,92,255,.16), rgba(109,92,255,0) 62%);
      pointer-events:none;
    }
    .right-inner{position:relative; z-index:2}
    .side-title{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-bottom: 12px;
    }
    .side-title h2{margin:0; font-size:15px}
    .stage{
      display:grid; gap:10px;
      margin-top: 10px;
    }
    .stage-card{
      border-radius: 16px;
      border: 1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.70);
      padding: 12px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .stage-card:hover{
      transform: translateY(-2px);
      border-color: rgba(255,45,109,.22);
      box-shadow: 0 18px 40px rgba(255,45,109,.14);
    }
    .stage-top{display:flex; align-items:center; gap:10px}
    .icon{
      width:38px; height:38px; border-radius:14px;
      display:flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(255,45,109,.16), rgba(109,92,255,.14));
      border: 1px solid rgba(255,45,109,.18);
    }
    .stage-card strong{font-size:13px}
    .stage-card p{
      margin: 6px 0 0;
      color: rgba(16,19,26,.74);
      font-size: 12px; line-height:1.6;
    }

    section{padding: 18px 0}
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px;
      margin-bottom: 12px;
    }
    .section-head h2{
      margin:0;
      font-size: 20px;
      letter-spacing: -.3px;
    }
    .section-head p{
      margin:0;
      color: var(--muted);
      font-size: 13px;
      line-height:1.7;
      max-width: 62ch;
    }
    .surface{
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(20,22,28,.08);
      border-radius: var(--radius-xl);
      box-shadow: 0 14px 34px rgba(9,14,26,.08);
      overflow:hidden;
    }
    .grid-3{
      display:grid; grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      padding: 16px;
    }
    .grid-2{
      display:grid; grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      padding: 16px;
    }
    .card{
      border-radius: 18px;
      border: 1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.78);
      padding: 14px;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
      position:relative;
      overflow:hidden;
    }
    .card:before{
      content:"";
      position:absolute; inset:auto -40px -40px auto;
      width:140px; height:140px;
      background: radial-gradient(circle at 30% 30%, rgba(255,45,109,.22), rgba(255,45,109,0) 62%),
                  radial-gradient(circle at 70% 70%, rgba(109,92,255,.20), rgba(109,92,255,0) 60%);
      transform: rotate(20deg);
      opacity:.8;
      pointer-events:none;
    }
    .card:hover{
      transform: translateY(-3px);
      border-color: rgba(109,92,255,.22);
      box-shadow: 0 20px 44px rgba(109,92,255,.14);
    }
    .card > *{position:relative; z-index:2}
    .kpi{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .kpi strong{
      font-size: 22px; letter-spacing:-.5px;
    }
    .kpi span{
      display:inline-flex; align-items:center; gap:8px;
      font-size: 12px; color: var(--muted);
      padding: 6px 10px; border-radius:999px;
      border: 1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.55);
      white-space:nowrap;
    }
    .card h3{
      margin: 10px 0 6px;
      font-size: 14px;
      letter-spacing:.1px;
    }
    .card p{
      margin:0;
      color: rgba(16,19,26,.72);
      font-size: 12.8px;
      line-height:1.7;
    }

    .chips{display:flex; flex-wrap:wrap; gap:10px; padding: 0 16px 16px}
    .chip{
      border-radius:999px;
      border:1px solid rgba(20,22,28,.10);
      padding: 9px 12px;
      background: rgba(255,255,255,.75);
      font-size:12px;
      color:#20232b;
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
      white-space:nowrap;
    }
    .chip:hover{
      transform: translateY(-2px);
      border-color: rgba(255,45,109,.22);
      background: rgba(255,255,255,.9);
    }

    .steps{
      display:grid; grid-template-columns: repeat(4, 1fr);
      gap: 12px;
      padding: 16px;
    }
    .step{
      padding: 14px;
      border-radius: 18px;
      border: 1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.78);
      position:relative;
      overflow:hidden;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .step:hover{
      transform: translateY(-3px);
      border-color: rgba(255,45,109,.22);
      box-shadow: 0 20px 44px rgba(255,45,109,.12);
    }
    .step:after{
      content:"";
      position:absolute; left:-30px; top:-30px;
      width:90px; height:90px;
      border-radius: 26px;
      background: radial-gradient(circle at 30% 30%, rgba(0,194,255,.18), rgba(0,194,255,0) 60%);
      transform: rotate(15deg);
      pointer-events:none;
    }
    .step > *{position:relative; z-index:2}
    .step-num{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom: 8px;
    }
    .badge{
      width:34px; height:34px; border-radius:14px;
      display:flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(255,45,109,.16), rgba(109,92,255,.14));
      border: 1px solid rgba(255,45,109,.18);
      font-weight:800;
      font-size: 13px;
    }
    .step h3{margin:0 0 6px; font-size:14px}
    .step p{margin:0; color: rgba(16,19,26,.72); font-size:12.8px; line-height:1.7}

    .compare-wrap{padding: 16px}
    .compare-grid{
      display:grid; grid-template-columns: 1fr;
      gap: 14px;
    }
    .rating-card{
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      padding: 14px;
      border-radius: 20px;
      border: 1px solid rgba(20,22,28,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.62));
    }
    .rating-left{display:flex; align-items:center; gap:12px}
    .rating-star{
      width:46px; height:46px; border-radius:18px;
      display:flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(255,45,109,.18), rgba(109,92,255,.16));
      border: 1px solid rgba(255,45,109,.18);
      box-shadow: 0 18px 40px rgba(255,45,109,.14);
      font-size: 18px;
    }
    .rating-left .text strong{font-size:16px}
    .rating-left .text div{color: var(--muted); font-size:12.5px; margin-top:4px}
    .rating-score{
      display:flex; align-items:center; gap:12px; flex-wrap:wrap; justify-content:flex-end;
    }
    .score-circle{
      width:86px; height:86px; border-radius: 999px;
      background:
        radial-gradient(circle at 30% 30%, rgba(255,255,255,.9), rgba(255,255,255,.4) 40%),
        conic-gradient(from 200deg, rgba(255,45,109,.95), rgba(109,92,255,.95), rgba(0,194,255,.75), rgba(255,45,109,.95));
      display:flex; align-items:center; justify-content:center;
      border: 1px solid rgba(20,22,28,.10);
      box-shadow: 0 20px 44px rgba(109,92,255,.14);
      position:relative;
    }
    .score-circle:before{
      content:"";
      position:absolute; inset:7px;
      background: rgba(255,255,255,.82);
      border-radius:999px;
      border: 1px solid rgba(20,22,28,.06);
    }
    .score-circle strong{
      position:relative; z-index:2;
      font-size: 22px; letter-spacing:-.5px;
    }
    .score-circle span{
      position:relative; z-index:2;
      font-size:12px; color: var(--muted);
      display:block; margin-top:2px; text-align:center;
    }
    .stars{
      display:flex; gap:4px; align-items:center;
      padding: 10px 12px;
      border-radius: 16px;
      border: 1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.68);
    }
    .star{
      width:18px; height:18px;
      background: linear-gradient(135deg, rgba(255,45,109,.95), rgba(109,92,255,.95));
      clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
      box-shadow: 0 12px 26px rgba(255,45,109,.20);
    }

    .table-wrap{
      border-radius: 20px;
      border: 1px solid rgba(20,22,28,.10);
      overflow:hidden;
      background: rgba(255,255,255,.78);
    }
    table{
      width:100%;
      border-collapse: collapse;
      font-size: 13px;
      min-width: 820px;
    }
    th, td{
      padding: 12px 12px;
      border-bottom: 1px solid rgba(20,22,28,.08);
      vertical-align: top;
    }
    th{
      background: linear-gradient(135deg, rgba(255,45,109,.10), rgba(109,92,255,.10));
      color:#151821;
      text-align:left;
      font-weight:800;
    }
    td{color: rgba(16,19,26,.80)}
    .good{
      display:inline-flex; align-items:center; gap:8px;
      padding: 8px 10px; border-radius: 999px;
      background: rgba(0,194,255,.10);
      border: 1px solid rgba(0,194,255,.18);
      white-space:nowrap;
    }
    .ok{
      display:inline-flex; align-items:center; gap:8px;
      padding: 8px 10px; border-radius: 999px;
      background: rgba(255,45,109,.08);
      border: 1px solid rgba(255,45,109,.16);
      white-space:nowrap;
    }
    .muted-tag{
      color: var(--muted);
      font-size: 12px;
      margin-top: 8px;
      line-height:1.6;
    }
    .table-scroll{overflow:auto; padding: 0 10px 10px}

    .content-grid{
      display:grid; grid-template-columns: 1.05fr .95fr;
      gap: 14px;
      padding: 16px;
      align-items:start;
    }
    .list{
      display:grid; gap:10px;
    }
    .li{
      display:flex; gap:10px; align-items:flex-start;
      border-radius: 16px;
      border: 1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.78);
      padding: 12px;
    }
    .li .mark{
      width:28px; height:28px; border-radius: 12px;
      display:flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(255,45,109,.16), rgba(109,92,255,.14));
      border: 1px solid rgba(255,45,109,.18);
      font-weight:900; font-size: 13px;
      flex: 0 0 auto;
    }
    .li strong{font-size:13px}
    .li span{display:block; margin-top:4px; color: rgba(16,19,26,.72); font-size:12.6px; line-height:1.6}

    .timeline{
      border-radius: 20px;
      border: 1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.78);
      padding: 14px;
    }
    .timeline ul{list-style:none; padding:0; margin:0; display:grid; gap:10px}
    .tli{
      display:flex; gap:12px; align-items:flex-start;
      padding: 10px 10px;
      border-radius: 16px;
      background: rgba(255,255,255,.62);
      border: 1px solid rgba(20,22,28,.06);
    }
    .t-dot{
      width:12px; height:12px; border-radius:50%;
      background: linear-gradient(135deg, rgba(255,45,109,.95), rgba(109,92,255,.95));
      margin-top:6px;
      box-shadow: 0 14px 28px rgba(255,45,109,.22);
      flex: 0 0 auto;
    }
    .tli strong{font-size:13px}
    .tli span{display:block; color: rgba(16,19,26,.72); font-size:12.6px; line-height:1.6; margin-top:4px}

    .tabs{
      display:flex; gap:10px; flex-wrap:wrap;
      padding: 16px 16px 0;
    }
    .tab{
      padding: 10px 12px; border-radius: 999px;
      border:1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.72);
      font-size: 12.8px;
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
      user-select:none;
      white-space:nowrap;
    }
    .tab:hover{transform: translateY(-2px)}
    .tab[aria-selected="true"]{
      border-color: rgba(255,45,109,.24);
      background: linear-gradient(135deg, rgba(255,45,109,.12), rgba(109,92,255,.10));
      box-shadow: 0 18px 40px rgba(255,45,109,.12);
      font-weight:800;
    }
    .tab-panels{padding: 12px 16px 16px}
    .panel{
      display:none;
      border-radius: 20px;
      border: 1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.78);
      padding: 14px;
      overflow:hidden;
    }
    .panel[aria-hidden="false"]{display:block}
    .panel h3{margin:0 0 10px; font-size:14px}
    .model-grid{display:grid; grid-template-columns: repeat(3, 1fr); gap:10px}
    .model{
      border-radius: 16px;
      border: 1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.70);
      padding: 12px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .model:hover{transform: translateY(-3px); border-color: rgba(109,92,255,.22); box-shadow: 0 18px 40px rgba(109,92,255,.12)}
    .model strong{font-size:13px}
    .model span{display:block; margin-top:6px; color: rgba(16,19,26,.72); font-size:12.5px; line-height:1.5}
    .cards-row{display:grid; grid-template-columns: repeat(3, 1fr); gap:12px}
    .case-card{
      border-radius: 20px;
      border: 1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.78);
      padding: 14px;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
      min-height: 190px;
      display:flex; flex-direction:column; gap:10px;
    }
    .case-card:hover{
      transform: translateY(-3px);
      border-color: rgba(255,45,109,.22);
      box-shadow: 0 22px 48px rgba(255,45,109,.14);
    }
    .tagrow{display:flex; gap:8px; flex-wrap:wrap}
    .tag{
      font-size: 12px;
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.62);
      color:#20232b;
    }
    .case-card h3{margin: 0; font-size:14px}
    .case-card p{margin: 0; color: rgba(16,19,26,.72); font-size:12.7px; line-height:1.7}
    .case-foot{
      margin-top:auto;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      color: var(--muted); font-size:12px;
    }
    .link-arrow{
      display:inline-flex; align-items:center; gap:8px;
      font-weight:750; color:#1d2230;
    }
    .arrow{
      width:26px; height:26px; border-radius: 12px;
      border: 1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.64);
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s ease;
    }
    .case-card:hover .arrow{transform: translateX(2px)}

    .article-list{
      padding: 16px;
      display:grid; grid-template-columns: 1fr;
      gap: 10px;
    }
    .article{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      padding: 12px 12px;
      border-radius: 18px;
      border: 1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.78);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .article:hover{
      transform: translateY(-2px);
      border-color: rgba(0,194,255,.24);
      box-shadow: 0 20px 44px rgba(0,194,255,.12);
    }
    .article-left{min-width: 0}
    .article h3{margin:0; font-size:13.6px}
    .article p{margin:6px 0 0; color: rgba(16,19,26,.72); font-size:12.6px; line-height:1.6}
    .article a{
      flex:0 0 auto;
      white-space:nowrap;
    }

    .form-wrap{
      padding: 16px;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    .form-card{
      border-radius: 22px;
      border: 1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.78);
      padding: 14px;
      overflow:hidden;
    }
    .form-card h3{margin:0 0 8px; font-size:15px}
    .form-card p{margin:0 0 10px; color: rgba(16,19,26,.72); font-size:12.8px; line-height:1.7}
    form{display:grid; gap:10px}
    label{font-size:12.5px; color:#2b2f3a; font-weight:700}
    input, select, textarea{
      width:100%;
      padding: 11px 12px;
      border-radius: 14px;
      border: 1px solid rgba(20,22,28,.12);
      background: rgba(255,255,255,.9);
      color:#111319;
      outline:none;
      transition: border-color .2s ease, box-shadow .2s ease;
      font-size: 14px;
    }
    textarea{min-height: 104px; resize: vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(109,92,255,.36);
      box-shadow: 0 0 0 4px rgba(109,92,255,.12);
    }
    .form-actions{display:flex; gap:10px; flex-wrap:wrap; align-items:center; justify-content:space-between}
    .hint{color: var(--muted); font-size:12.2px; line-height:1.5}
    .notebox{
      border-radius: 18px;
      border: 1px dashed rgba(20,22,28,.18);
      background: rgba(255,255,255,.62);
      padding: 12px;
    }
    .notebox ul{margin:0; padding-left: 18px}
    .notebox li{color: rgba(16,19,26,.76); font-size:12.7px; line-height:1.7; margin: 6px 0}

    .faq{
      padding: 16px;
      display:grid; gap:10px;
    }
    details{
      border-radius: 18px;
      border: 1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.78);
      padding: 12px 14px;
      transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
    }
    details[open]{border-color: rgba(255,45,109,.24); box-shadow: 0 22px 48px rgba(255,45,109,.10)}
    summary{
      cursor:pointer;
      list-style:none;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      font-weight:850; font-size: 13.6px;
      color:#151821;
    }
    summary::-webkit-details-marker{display:none}
    .sum-icon{
      width:28px; height:28px; border-radius: 12px;
      border: 1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.70);
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
      transition: transform .2s ease;
    }
    details[open] .sum-icon{transform: rotate(45deg); border-color: rgba(255,45,109,.18)}
    .faq p{margin: 10px 0 0; color: rgba(16,19,26,.72); font-size:12.8px; line-height:1.8}

    .comments{
      padding: 16px;
      display:grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
    }
    .quote{
      border-radius: 22px;
      border: 1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.78);
      padding: 14px;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
      display:flex; flex-direction:column; gap:10px;
      min-height: 190px;
    }
    .quote:hover{
      transform: translateY(-3px);
      border-color: rgba(0,194,255,.24);
      box-shadow: 0 22px 48px rgba(0,194,255,.12);
    }
    .quote .top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .avatar{
      width:40px; height:40px; border-radius: 16px;
      background: linear-gradient(135deg, rgba(255,45,109,.16), rgba(109,92,255,.14), rgba(0,194,255,.12));
      border: 1px solid rgba(20,22,28,.10);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color:#161820;
    }
    .score-pill{
      font-size:12px;
      padding: 8px 10px;
      border-radius:999px;
      border: 1px solid rgba(255,45,109,.18);
      background: rgba(255,45,109,.08);
      color:#1b1f29;
      white-space:nowrap;
    }
    .quote p{margin:0; color: rgba(16,19,26,.72); font-size:12.8px; line-height:1.8}
    .quote .who{margin-top:auto; display:flex; flex-direction:column; gap:4px}
    .quote .who strong{font-size:13px}
    .quote .who span{color: var(--muted); font-size:12.2px}

    .footer{
      margin-top: 10px;
      background: #0f1524;
      color:#eaf0ff;
      border-top: 1px solid rgba(255,255,255,.10);
      padding: 18px 0 16px;
    }
    .footer-inner{display:grid; grid-template-columns: 1.2fr .8fr; gap: 14px; align-items:start}
    .foot-brand{
      border-radius: 22px;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
      padding: 14px;
    }
    .foot-brand .brow{display:flex; align-items:center; gap:12px}
    .foot-brand img{width:42px; height:42px; object-fit:contain; padding:8px; border-radius: 16px; background: rgba(255,255,255,.08)}
    .foot-brand strong{display:block; font-size:14px}
    .foot-brand span{color: rgba(234,240,255,.76); font-size:12.6px; line-height:1.7; display:block; margin-top:8px}
    .foot-links{
      display:grid; gap:12px;
    }
    .foot-links .block{
      border-radius: 22px;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
      padding: 14px;
    }
    .foot-links h3{margin:0 0 10px; font-size:14px}
    .foot-links .links{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .foot-links a{
      font-size:12.5px;
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.16);
      background: rgba(255,255,255,.06);
      color:#eaf0ff;
      transition: transform .18s ease, background .18s ease;
    }
    .foot-links a:hover{transform: translateY(-2px); background: rgba(255,255,255,.10)}
    .copyright{
      margin-top: 12px;
      color: rgba(234,240,255,.70);
      font-size: 12.2px;
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
    }

    .floating{
      position:fixed; right: 16px; bottom: 16px; z-index:60;
      display:flex; flex-direction:column; gap:10px;
      align-items:flex-end;
    }
    .float-item{
      border-radius: 18px;
      border: 1px solid rgba(20,22,28,.12);
      background: rgba(255,255,255,.82);
      box-shadow: 0 20px 44px rgba(9,14,26,.14);
      overflow:hidden;
      width: 210px;
      transform: translateY(0);
      transition: transform .18s ease;
    }
    .float-item:hover{transform: translateY(-3px)}
    .float-head{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      padding: 10px 12px;
      background: linear-gradient(135deg, rgba(255,45,109,.12), rgba(109,92,255,.10));
      border-bottom: 1px solid rgba(20,22,28,.08);
    }
    .float-head strong{font-size:13px}
    .float-head span{font-size:12px; color: var(--muted)}
    .kefu{
      display:grid; grid-template-columns: 48px 1fr;
      gap:10px; align-items:center;
      padding: 10px 12px;
    }
    .kefu img{width:48px; height:48px; object-fit:cover; border-radius: 14px; border: 1px solid rgba(20,22,28,.10); background:#fff}
    .kefu .meta{display:flex; flex-direction:column; gap:4px}
    .kefu .meta a{font-size:12.5px; font-weight:800; color:#1a1e28}
    .kefu .meta small{color: var(--muted); font-size:12px; line-height:1.3}
    .backtop{
      width:50px; height:50px;
      border-radius: 18px;
      display:flex; align-items:center; justify-content:center;
      border: 1px solid rgba(20,22,28,.12);
      background: rgba(255,255,255,.86);
      box-shadow: 0 20px 44px rgba(9,14,26,.14);
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .backtop:hover{transform: translateY(-3px)}
    .sr-only{
      position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden;
    }

    .reveal{
      opacity:0;
      transform: translateY(12px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .reveal.in{
      opacity:1;
      transform: translateY(0);
    }

    .divider{
      height:1px;
      background: linear-gradient(90deg, rgba(20,22,28,.0), rgba(20,22,28,.10), rgba(20,22,28,.0));
      margin: 10px 0;
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .nav-cta{min-width: auto}
      .grid-3{grid-template-columns: 1fr}
      .grid-2{grid-template-columns: 1fr}
      .steps{grid-template-columns: 1fr 1fr}
      .content-grid{grid-template-columns: 1fr}
      .cards-row{grid-template-columns: 1fr}
      .comments{grid-template-columns: 1fr}
      .form-wrap{grid-template-columns: 1fr}
      .model-grid{grid-template-columns: 1fr 1fr}
      table{min-width: 760px}
      .footer-inner{grid-template-columns: 1fr}
      .floating{right: 12px; bottom: 12px}
      .float-item{width: 200px}
    }
    @media (max-width: 720px){
      h1{font-size: 28px}
      .nav-wrap{padding: 10px 0}
      .menu{display:none}
      .mobile-toggle{display:block}
      nav .menu{gap:12px}
      .nav-cta .btn-ghost{display:none}
      .hero-left{padding: 18px}
      .hero-right{padding: 14px}
      .steps{grid-template-columns: 1fr}
      .model-grid{grid-template-columns: 1fr}
      .form-actions{justify-content:flex-start}
      .float-item{width: 188px}
      table{min-width: 680px}
    }

    .mobile-panel{
      display:none;
      border-top: 1px solid rgba(20,22,28,.08);
      padding: 12px 0 14px;
      background: rgba(255,255,255,.72);
      backdrop-filter: blur(10px);
    }
    .mobile-panel.open{display:block}
    .mobile-panel .stack{display:grid; gap:10px}
    .mobile-panel a{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      padding: 12px 12px;
      border-radius: 16px;
      border: 1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.76);
      font-size: 13px;
      font-weight: 800;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .mobile-panel a:hover{transform: translateY(-2px); border-color: rgba(255,45,109,.22); box-shadow: 0 18px 40px rgba(255,45,109,.12)}
    .mobile-panel .stack small{color: var(--muted); font-weight:700}