:root{
      --bg0:#fbfaf7;
      --bg1:#ffffff;
      --text:#1f2328;
      --muted:#5b646f;
      --card:#ffffff;
      --border:rgba(20, 25, 30, .10);
      --shadow: 0 10px 30px rgba(17,24,39,.08);
      --shadow2: 0 8px 18px rgba(17,24,39,.10);
      --radius:18px;

      --brand1:#6d5cff;
      --brand2:#00bcd4;
      --brand3:#ff4d6d;
      --brand4:#ffb703;
      --brand5:#22c55e;

      --grad: linear-gradient(120deg, rgba(109,92,255,.18), rgba(0,188,212,.14) 35%, rgba(255,77,109,.12) 70%, rgba(255,183,3,.10));
      --grad2: linear-gradient(135deg, rgba(109,92,255,.18), rgba(0,188,212,.16), rgba(255,77,109,.14));
      --gradText: linear-gradient(90deg, var(--brand1), var(--brand2), var(--brand3));
      --accent:#2b59ff;
      --accent2:#0ea5e9;
      --danger:#ef4444;

      --focus: 0 0 0 4px rgba(43,89,255,.16);
      --container: 1160px;
    }

    *{ box-sizing: border-box; }
    html{ scroll-behavior:smooth; }
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
                   Arial, "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 600px at 15% 0%, rgba(109,92,255,.12), transparent 60%),
        radial-gradient(900px 480px at 90% 10%, rgba(0,188,212,.12), transparent 58%),
        radial-gradient(1000px 520px at 60% 22%, rgba(255,77,109,.10), transparent 62%),
        linear-gradient(180deg, var(--bg0), #ffffff 45%, var(--bg0));
      min-height:100vh;
    }

    a{ color: inherit; text-decoration: none; }
    .container{
      max-width: var(--container);
      margin: 0 auto;
      padding: 0 18px;
    }

    .skip-link{
      position:absolute;
      left:-9999px;
      top:10px;
      z-index:9999;
      background:#111827;
      color:#fff;
      padding:10px 12px;
      border-radius:12px;
    }
    .skip-link:focus{ left: 18px; outline:none; box-shadow: var(--focus); }

    header{
      position: sticky;
      top:0;
      z-index:50;
      background: rgba(251,250,247,.78);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(20,25,30,.08);
    }

    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding: 12px 0;
    }

    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width: 220px;
    }
    .ai-page-logo{
      width:44px;
      height:44px;
      object-fit: contain;
      filter: saturate(1.08);
    }
    .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{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:14px;
      flex:1;
    }

    .nav-links{
      display:flex;
      align-items:center;
      gap:14px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      font-size:13px;
      color: rgba(31,35,40,.90);
      padding: 8px 10px;
      border-radius: 12px;
      border: 1px solid transparent;
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background: rgba(109,92,255,.08);
      border-color: rgba(109,92,255,.18);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex;
      align-items:center;
      gap:10px;
      flex-shrink:0;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding: 11px 14px;
      border-radius: 14px;
      border: 1px solid rgba(20,25,30,.10);
      background: rgba(255,255,255,.78);
      color:#0f172a;
      font-weight:650;
      font-size:13px;
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
      cursor:pointer;
      user-select:none;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 14px 26px rgba(17,24,39,.10);
      border-color: rgba(20,25,30,.18);
      background:#ffffff;
    }
    .btn:active{ transform: translateY(0px); }
    .btn:focus-visible{ outline:none; box-shadow: var(--focus); }

    .btn-primary{
      border-color: rgba(43,89,255,.18);
      background: linear-gradient(135deg, rgba(43,89,255,.10), rgba(14,165,233,.10)) , #ffffff;
      position:relative;
      overflow:hidden;
    }
    .btn-primary::before{
      content:"";
      position:absolute;
      inset:-2px;
      background: var(--grad2);
      opacity:.6;
      filter: blur(18px);
      transform: translateY(18px);
      transition: transform .2s ease, opacity .2s ease;
      pointer-events:none;
    }
    .btn-primary:hover::before{
      transform: translateY(0px);
      opacity:.85;
    }

    .btn-accent{
      border-color: rgba(109,92,255,.22);
      background: linear-gradient(135deg, rgba(109,92,255,.16), rgba(0,188,212,.12));
      color:#0b1220;
    }

    .icon{
      width:18px;
      height:18px;
      display:inline-block;
    }

    .mobile-toggle{
      display:none;
      border-radius: 14px;
      padding: 10px 12px;
      border:1px solid rgba(20,25,30,.12);
      background: rgba(255,255,255,.78);
      cursor:pointer;
      font-weight:700;
    }
    .mobile-toggle:focus-visible{ outline:none; box-shadow: var(--focus); }

    .mobile-panel{
      display:none;
      padding: 0 0 14px 0;
    }
    .mobile-panel.open{ display:block; }
    .mobile-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .mobile-grid a{
      border:1px solid rgba(20,25,30,.10);
      background: rgba(255,255,255,.78);
      padding: 11px 10px;
      border-radius: 14px;
      font-size:13px;
      color:rgba(31,35,40,.92);
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
      text-align:center;
    }
    .mobile-grid a:hover{
      transform: translateY(-1px);
      border-color: rgba(109,92,255,.24);
      background:#fff;
    }

    main{ padding-bottom: 40px; }
    section{ padding: 44px 0; }

    .hero{
      padding: 26px 0 18px;
    }
    .hero-shell{
      border-radius: 28px;
      background: linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.78));
      border: 1px solid rgba(20,25,30,.08);
      box-shadow: var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero-shell::before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(800px 380px at 14% 10%, rgba(109,92,255,.22), transparent 55%),
        radial-gradient(680px 340px at 78% 18%, rgba(0,188,212,.18), transparent 60%),
        radial-gradient(720px 380px at 62% 58%, rgba(255,77,109,.14), transparent 60%),
        radial-gradient(580px 320px at 20% 80%, rgba(255,183,3,.14), transparent 58%),
        linear-gradient(120deg, rgba(109,92,255,.10), rgba(0,188,212,.08) 30%, rgba(255,77,109,.06));
      opacity:.95;
      pointer-events:none;
      filter:saturate(1.05);
    }

    .hero-inner{
      position:relative;
      padding: 26px 18px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.12fr .88fr;
      gap:18px;
      align-items:start;
    }

    .badge-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      margin-bottom:14px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(20,25,30,.10);
      background: rgba(255,255,255,.70);
      font-size:12px;
      color: rgba(31,35,40,.92);
      white-space:nowrap;
    }
    .dot{
      width:9px;height:9px;border-radius:50%;
      background: var(--gradText);
      box-shadow: 0 0 0 4px rgba(109,92,255,.12);
    }

    h1{
      margin: 0 0 10px;
      font-size: 34px;
      letter-spacing: -.6px;
      line-height:1.12;
    }
    .grad-text{
      background: var(--gradText);
      -webkit-background-clip:text;
      background-clip:text;
      color: transparent;
      filter: saturate(1.04);
    }
    .hero-lead{
      margin: 0 0 18px;
      color: rgba(31,35,40,.82);
      font-size: 15px;
      line-height: 1.7;
      max-width: 58ch;
    }

    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      margin-bottom: 16px;
    }

    .hero-meta{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      align-items:center;
      padding-top: 6px;
    }
    .meta-chip{
      border:1px dashed rgba(20,25,30,.16);
      background: rgba(255,255,255,.55);
      padding: 10px 12px;
      border-radius: 16px;
      min-width: 170px;
    }
    .meta-chip strong{
      display:block;
      font-size: 13px;
      margin-bottom: 4px;
    }
    .meta-chip span{
      font-size: 12px;
      color: var(--muted);
      line-height:1.3;
    }

    .hero-aside{
      display:flex;
      flex-direction:column;
      gap:12px;
    }

    .data-card{
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(20,25,30,.10);
      border-radius: var(--radius);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      padding: 14px;
      position:relative;
      overflow:hidden;
    }
    .data-card::after{
      content:"";
      position:absolute;
      right:-60px; top:-60px;
      width:160px; height:160px;
      background: radial-gradient(circle at 30% 30%, rgba(109,92,255,.26), transparent 58%),
                  radial-gradient(circle at 70% 60%, rgba(0,188,212,.20), transparent 60%);
      transform: rotate(18deg);
      opacity:.9;
      pointer-events:none;
    }
    .data-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      margin-bottom:10px;
      position:relative;
      z-index:1;
    }
    .data-title{
      display:flex; flex-direction:column;
    }
    .data-title strong{ font-size:13px; }
    .data-title span{ font-size:12px; color:var(--muted); margin-top:2px; }

    .spark{
      width:40px; height:40px; border-radius:14px;
      background: linear-gradient(135deg, rgba(109,92,255,.18), rgba(0,188,212,.14));
      border: 1px solid rgba(109,92,255,.18);
      display:flex; align-items:center; justify-content:center;
      position:relative;
      z-index:1;
    }
    .spark svg{ width:22px; height:22px; }

    .metric-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
      position:relative;
      z-index:1;
    }
    .metric{
      border-radius: 16px;
      border: 1px solid rgba(20,25,30,.10);
      background: rgba(255,255,255,.74);
      padding: 10px 10px;
      transition: transform .15s ease, box-shadow .15s ease;
    }
    .metric:hover{
      transform: translateY(-2px);
      box-shadow: 0 14px 22px rgba(17,24,39,.10);
    }
    .metric strong{
      display:block;
      font-size: 16px;
      letter-spacing: -.3px;
    }
    .metric span{
      display:block;
      font-size: 12px;
      color: var(--muted);
      margin-top:4px;
      line-height:1.25;
    }

    .aside-list{
      display:grid;
      gap:10px;
    }
    .aside-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding: 12px 12px;
      border-radius: var(--radius);
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(20,25,30,.10);
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .aside-item:hover{
      transform: translateY(-2px);
      border-color: rgba(0,188,212,.28);
      background: rgba(255,255,255,.90);
    }
    .aside-icon{
      width:36px;height:36px;border-radius:14px;
      display:flex;align-items:center;justify-content:center;
      border:1px solid rgba(20,25,30,.10);
      background: linear-gradient(135deg, rgba(0,188,212,.14), rgba(109,92,255,.10));
      flex-shrink:0;
    }
    .aside-icon svg{ width:18px;height:18px; }
    .aside-item strong{
      font-size:13px;
      display:block;
      margin-top:1px;
    }
    .aside-item span{
      font-size:12px;
      color: var(--muted);
      display:block;
      margin-top:4px;
      line-height:1.35;
    }

    .section-title{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:14px;
      margin-bottom: 16px;
    }
    .section-title h2{
      margin:0;
      font-size: 22px;
      letter-spacing: -.3px;
    }
    .section-title p{
      margin:0;
      color: var(--muted);
      font-size: 13px;
      line-height:1.5;
      max-width: 56ch;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .grid-4{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:14px;
    }
    .card{
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(20,25,30,.10);
      border-radius: var(--radius);
      padding: 14px;
      box-shadow: 0 10px 24px rgba(17,24,39,.05);
    }
    .card-soft{
      background: rgba(255,255,255,.68);
    }
    .card-hover{
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
    }
    .card-hover:hover{
      transform: translateY(-2px);
      border-color: rgba(109,92,255,.24);
      box-shadow: 0 16px 30px rgba(17,24,39,.10);
    }

    .service-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      margin-bottom: 8px;
    }
    .service-head strong{ font-size: 14px; }
    .pill{
      padding: 7px 10px;
      border-radius: 999px;
      font-size: 12px;
      border: 1px solid rgba(20,25,30,.10);
      background: rgba(255,255,255,.75);
      color: rgba(31,35,40,.88);
      white-space:nowrap;
    }
    .card p{
      margin: 0;
      color: rgba(31,35,40,.82);
      font-size: 13px;
      line-height: 1.7;
    }

    .feature-list{
      margin: 10px 0 0;
      padding-left: 0;
      list-style:none;
      display:grid;
      gap:8px;
    }
    .feature-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color: rgba(31,35,40,.82);
      font-size: 13px;
      line-height: 1.5;
    }
    .check{
      width:18px;height:18px; border-radius:6px;
      background: linear-gradient(135deg, rgba(34,197,94,.18), rgba(0,188,212,.12));
      border: 1px solid rgba(34,197,94,.20);
      display:flex; align-items:center; justify-content:center;
      flex-shrink:0;
      margin-top:1px;
    }
    .check svg{ width:12px;height:12px; }

    .split{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:stretch;
    }

    .steps{
      display:grid;
      gap:12px;
    }
    .step{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding: 14px;
      border-radius: var(--radius);
      border:1px solid rgba(20,25,30,.10);
      background: rgba(255,255,255,.74);
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .step:hover{
      transform: translateY(-2px);
      border-color: rgba(0,188,212,.25);
      background: rgba(255,255,255,.92);
    }
    .step-num{
      width:38px;height:38px;border-radius:16px;
      display:flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(109,92,255,.16), rgba(255,77,109,.10));
      border: 1px solid rgba(109,92,255,.20);
      font-weight:800;
      flex-shrink:0;
    }
    .step strong{
      display:block;
      font-size: 14px;
      margin-top:1px;
    }
    .step span{
      display:block;
      font-size: 13px;
      color: var(--muted);
      margin-top:6px;
      line-height:1.6;
    }

    .compare-table{
      width:100%;
      border-collapse: separate;
      border-spacing: 0;
      overflow:hidden;
      border-radius: var(--radius);
      border:1px solid rgba(20,25,30,.10);
      background: rgba(255,255,255,.80);
      box-shadow: 0 10px 24px rgba(17,24,39,.05);
    }
    .compare-table thead th{
      text-align:left;
      padding: 12px 14px;
      font-size: 13px;
      color: rgba(31,35,40,.92);
      background: linear-gradient(135deg, rgba(109,92,255,.12), rgba(0,188,212,.08));
      border-bottom:1px solid rgba(20,25,30,.10);
      white-space:nowrap;
    }
    .compare-table tbody td{
      padding: 12px 14px;
      font-size: 13px;
      color: rgba(31,35,40,.82);
      border-bottom:1px solid rgba(20,25,30,.06);
      vertical-align:top;
      line-height:1.6;
    }
    .compare-table tbody tr:last-child td{ border-bottom:none; }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border:1px solid rgba(20,25,30,.10);
      background: rgba(255,255,255,.72);
      padding: 8px 10px;
      border-radius: 999px;
      font-size: 12px;
      color: rgba(31,35,40,.90);
      white-space:nowrap;
    }
    .tag i{
      width:10px;height:10px;border-radius:50%;
      background: var(--gradText);
      display:inline-block;
      box-shadow: 0 0 0 4px rgba(109,92,255,.10);
    }

    .rating-card{
      border-radius: var(--radius);
      border:1px solid rgba(20,25,30,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.74));
      padding: 16px;
      box-shadow: var(--shadow2);
      position:relative;
      overflow:hidden;
    }
    .rating-card::before{
      content:"";
      position:absolute;
      inset:-2px;
      background: radial-gradient(650px 260px at 10% 0%, rgba(109,92,255,.18), transparent 60%),
                  radial-gradient(620px 260px at 86% 20%, rgba(0,188,212,.18), transparent 62%),
                  radial-gradient(520px 220px at 50% 90%, rgba(255,77,109,.12), transparent 62%);
      opacity:.95;
      pointer-events:none;
    }
    .rating-inner{ position:relative; z-index:1; }
    .stars{
      display:flex; gap:4px; align-items:center;
      margin: 6px 0 8px;
    }
    .star{
      width:18px;height:18px;
      color:#f59e0b;
      filter: drop-shadow(0 6px 10px rgba(245,158,11,.20));
    }
    .score-row{
      display:flex;
      align-items:flex-end;
      gap:12px;
      flex-wrap:wrap;
      justify-content:space-between;
    }
    .score-left strong{ font-size: 22px; }
    .score-left span{ display:block; color: var(--muted); font-size: 13px; margin-top:4px; }
    .score-badge{
      padding: 10px 12px;
      border-radius: 16px;
      background: rgba(255,255,255,.70);
      border:1px solid rgba(20,25,30,.10);
      font-weight:800;
      font-size: 13px;
      white-space:nowrap;
    }
    .rating-list{
      margin-top: 10px;
      display:grid;
      gap:8px;
    }
    .rating-list .li{
      display:flex; align-items:flex-start; gap:10px;
      font-size: 13px;
      color: rgba(31,35,40,.82);
      line-height:1.5;
    }

    .faq{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    details.faq-item{
      background: rgba(255,255,255,.78);
      border:1px solid rgba(20,25,30,.10);
      border-radius: var(--radius);
      padding: 12px 12px;
      box-shadow: 0 10px 22px rgba(17,24,39,.05);
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
    }
    details.faq-item:hover{
      transform: translateY(-2px);
      border-color: rgba(109,92,255,.24);
      background: rgba(255,255,255,.92);
    }
    details.faq-item summary{
      cursor:pointer;
      list-style:none;
      font-weight:800;
      color: rgba(31,35,40,.92);
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:10px;
      padding: 8px 6px;
      border-radius: 14px;
      outline:none;
    }
    details.faq-item summary::-webkit-details-marker{ display:none; }
    .faq-q{
      font-size: 13px;
      line-height:1.5;
    }
    .faq-icon{
      width:28px;height:28px;border-radius:12px;
      border:1px solid rgba(20,25,30,.10);
      background: rgba(255,255,255,.70);
      display:flex;align-items:center;justify-content:center;
      flex-shrink:0;
      transition: transform .18s ease;
    }
    details[open] .faq-icon{ transform: rotate(45deg); }
    details.faq-item .faq-a{
      padding: 0 6px 10px 6px;
      color: rgba(31,35,40,.82);
      font-size: 13px;
      line-height:1.7;
    }

    .cards-row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
    }

    .review-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .review{
      padding: 14px;
      border-radius: var(--radius);
      border:1px solid rgba(20,25,30,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(17,24,39,.05);
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
    }
    .review:hover{
      transform: translateY(-2px);
      border-color: rgba(0,188,212,.26);
      box-shadow: 0 16px 30px rgba(17,24,39,.10);
    }
    .review-top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom: 8px;
    }
    .avatar{
      width:40px;height:40px;border-radius:16px;
      border:1px solid rgba(20,25,30,.10);
      background: linear-gradient(135deg, rgba(109,92,255,.16), rgba(0,188,212,.12));
      display:flex;align-items:center;justify-content:center;
      font-weight:900;
      color: rgba(31,35,40,.92);
      flex-shrink:0;
    }
    .review-role{
      display:flex; flex-direction:column; gap:2px;
      min-width: 0;
    }
    .review-role strong{
      font-size: 13px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .review-role span{
      color: var(--muted);
      font-size: 12px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .review p{
      margin: 0;
      color: rgba(31,35,40,.82);
      font-size: 13px;
      line-height:1.7;
    }

    .case-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .case{
      border-radius: var(--radius);
      border:1px solid rgba(20,25,30,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(17,24,39,.05);
      overflow:hidden;
      display:flex;
      flex-direction:column;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
    }
    .case:hover{
      transform: translateY(-2px);
      border-color: rgba(109,92,255,.25);
      box-shadow: 0 16px 30px rgba(17,24,39,.10);
    }
    .thumb{
      padding: 12px;
      background: linear-gradient(135deg, rgba(109,92,255,.10), rgba(0,188,212,.08));
      border-bottom:1px solid rgba(20,25,30,.08);
    }
    .thumb .thumb-block{
      height: 98px;
      border-radius: 16px;
      border:1px solid rgba(20,25,30,.10);
      background:
        radial-gradient(120px 70px at 20% 30%, rgba(109,92,255,.26), transparent 60%),
        radial-gradient(120px 70px at 70% 60%, rgba(0,188,212,.20), transparent 60%),
        radial-gradient(120px 70px at 45% 20%, rgba(255,77,109,.16), transparent 60%),
        rgba(255,255,255,.72);
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding: 12px 12px;
    }
    .thumb .thumb-chip{
      padding: 8px 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,25,30,.10);
      font-weight:800;
      font-size: 12px;
      color: rgba(31,35,40,.92);
      white-space:nowrap;
    }
    .case-body{
      padding: 14px;
      display:flex;
      flex-direction:column;
      gap:10px;
      flex:1;
    }
    .case-body h3{
      margin:0;
      font-size: 14px;
      letter-spacing: -.2px;
    }
    .case-body p{
      margin:0;
      color: rgba(31,35,40,.82);
      font-size: 13px;
      line-height:1.7;
      flex:1;
    }
    .case-foot{
      display:flex;
      gap:10px;
      align-items:center;
      justify-content:space-between;
      margin-top: 6px;
    }
    .mini-link{
      font-size:13px;
      font-weight:800;
      color: rgba(43,89,255,.98);
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding: 8px 10px;
      border-radius: 14px;
      border:1px solid rgba(43,89,255,.18);
      background: rgba(43,89,255,.06);
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .mini-link:hover{
      transform: translateY(-1px);
      background: rgba(43,89,255,.10);
      border-color: rgba(43,89,255,.30);
    }

    .article-list{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .article{
      padding: 14px;
      border-radius: var(--radius);
      border:1px solid rgba(20,25,30,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(17,24,39,.05);
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .article:hover{
      transform: translateY(-2px);
      border-color: rgba(0,188,212,.26);
      background: rgba(255,255,255,.92);
    }
    .article-top{
      display:flex;
      justify-content:space-between;
      gap:10px;
      align-items:flex-start;
      margin-bottom: 10px;
    }
    .article h3{
      margin:0;
      font-size: 14px;
      letter-spacing:-.2px;
      line-height:1.4;
    }
    .article .meta{
      color: var(--muted);
      font-size: 12px;
      white-space:nowrap;
    }
    .article p{
      margin:0;
      color: rgba(31,35,40,.82);
      font-size: 13px;
      line-height:1.7;
    }
    .article a{
      display:inline-flex;
      margin-top: 12px;
    }

    .form{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    .form .full{ grid-column: 1 / -1; }
    label{
      display:block;
      font-size: 12px;
      color: rgba(31,35,40,.88);
      margin: 4px 0 8px;
      font-weight:800;
    }
    input, select, textarea{
      width:100%;
      border-radius: 14px;
      border:1px solid rgba(20,25,30,.12);
      background: rgba(255,255,255,.82);
      padding: 12px 12px;
      font-size: 14px;
      color: var(--text);
      outline:none;
      transition: box-shadow .15s ease, border-color .15s ease, background .15s ease;
    }
    textarea{ min-height: 110px; resize: vertical; }
    input:focus, select:focus, textarea:focus{
      border-color: rgba(43,89,255,.35);
      box-shadow: var(--focus);
      background: #fff;
    }
    .help{
      font-size: 12px;
      color: var(--muted);
      line-height:1.6;
      margin: 0;
    }

    .form-actions{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
      justify-content:space-between;
      grid-column: 1 / -1;
      margin-top: 6px;
    }
    .form-note{
      color: var(--muted);
      font-size: 12px;
      line-height:1.5;
      max-width: 52ch;
    }

    .contact-grid{
      display:grid;
      grid-template-columns: 1.02fr .98fr;
      gap:14px;
      align-items:stretch;
    }
    .contact-side{
      padding: 14px;
      border-radius: var(--radius);
      border:1px solid rgba(20,25,30,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(17,24,39,.05);
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .kefu{
      display:flex;
      gap:12px;
      align-items:flex-start;
    }
    .kefu img{
      width:84px;
      height:84px;
      border-radius: 18px;
      border:1px solid rgba(20,25,30,.10);
      background: #fff;
      object-fit: cover;
    }
    .kefu strong{
      font-size: 14px;
      display:block;
      margin-top:2px;
    }
    .kefu span{
      color: var(--muted);
      font-size: 12px;
      line-height:1.7;
      display:block;
      margin-top: 6px;
    }
    .contact-links{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
    }
    .link-row{
      border:1px solid rgba(20,25,30,.10);
      background: rgba(255,255,255,.76);
      border-radius: 16px;
      padding: 12px 12px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
    }
    .link-row strong{ font-size:13px; }
    .link-row a{
      font-size:13px;
      font-weight:900;
      color: rgba(43,89,255,.98);
      padding: 8px 10px;
      border-radius: 14px;
      border:1px solid rgba(43,89,255,.18);
      background: rgba(43,89,255,.06);
      white-space:nowrap;
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
    }
    .link-row a:hover{
      transform: translateY(-1px);
      background: rgba(43,89,255,.10);
      border-color: rgba(43,89,255,.30);
    }

    .timeline{
      display:grid;
      gap:12px;
      grid-template-columns: 1fr;
    }
    .time-item{
      border-radius: var(--radius);
      border:1px solid rgba(20,25,30,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(17,24,39,.05);
      padding: 14px;
      display:flex;
      gap:12px;
      align-items:flex-start;
    }
    .time-dot{
      width:34px;height:34px;border-radius:16px;
      background: linear-gradient(135deg, rgba(109,92,255,.16), rgba(0,188,212,.12));
      border:1px solid rgba(109,92,255,.20);
      display:flex;align-items:center;justify-content:center;
      flex-shrink:0;
      margin-top: 2px;
    }
    .time-item strong{ display:block; font-size: 14px; }
    .time-item span{
      display:block;
      color: var(--muted);
      font-size: 13px;
      line-height:1.7;
      margin-top: 6px;
    }

    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top: 8px;
    }
    .cloud-tag{
      padding: 9px 12px;
      border-radius: 999px;
      border:1px solid rgba(20,25,30,.10);
      background: rgba(255,255,255,.76);
      font-size: 13px;
      color: rgba(31,35,40,.88);
      transition: transform .15s ease, border-color .15s ease;
      cursor:pointer;
      user-select:none;
    }
    .cloud-tag:hover{
      transform: translateY(-2px);
      border-color: rgba(109,92,255,.25);
    }

    footer{
      background: linear-gradient(180deg, rgba(255,255,255,.70), rgba(251,250,247,.95));
      border-top: 1px solid rgba(20,25,30,.08);
      padding: 26px 0 22px;
      margin-top: 10px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr 1fr;
      gap:14px;
      align-items:start;
    }
    .footer-card{
      background: rgba(255,255,255,.78);
      border:1px solid rgba(20,25,30,.10);
      border-radius: var(--radius);
      padding: 14px;
      box-shadow: 0 10px 24px rgba(17,24,39,.05);
    }
    .footer-card h3{
      margin:0 0 10px;
      font-size: 14px;
      letter-spacing:-.2px;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .footer-links a{
      padding: 9px 12px;
      border-radius: 999px;
      border:1px solid rgba(20,25,30,.10);
      background: rgba(255,255,255,.76);
      font-size: 13px;
      color: rgba(31,35,40,.88);
      transition: transform .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .footer-links a:hover{
      transform: translateY(-2px);
      border-color: rgba(0,188,212,.24);
    }

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

    .float-kefu{
      position: fixed;
      right: 14px;
      bottom: 14px;
      z-index: 60;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
    }
    .float-btn{
      border-radius: 18px;
      border:1px solid rgba(20,25,30,.12);
      background: rgba(255,255,255,.88);
      box-shadow: 0 14px 34px rgba(17,24,39,.18);
      padding: 10px 12px;
      display:flex;
      gap:10px;
      align-items:center;
      cursor:pointer;
      user-select:none;
      transition: transform .15s ease, background .15s ease;
    }
    .float-btn:hover{ transform: translateY(-2px); background:#fff; }
    .float-btn:focus-visible{ outline:none; box-shadow: var(--focus); }
    .float-btn strong{ font-size: 13px; }
    .float-btn span{ display:block; font-size:12px; color: var(--muted); margin-top:2px; }
    .float-icon{
      width:38px; height:38px; border-radius:16px;
      background: linear-gradient(135deg, rgba(34,197,94,.16), rgba(0,188,212,.12));
      border:1px solid rgba(34,197,94,.20);
      display:flex;align-items:center;justify-content:center;
      flex-shrink:0;
    }
    .float-icon svg{ width:18px;height:18px; }

    .back-top{
      border-radius: 18px;
      border:1px solid rgba(20,25,30,.12);
      background: rgba(255,255,255,.88);
      box-shadow: 0 14px 34px rgba(17,24,39,.18);
      width:44px;height:44px;
      display:flex;align-items:center;justify-content:center;
      cursor:pointer;
      transition: transform .15s ease, background .15s ease, opacity .2s ease;
    }
    .back-top:hover{ transform: translateY(-2px); background:#fff; }
    .back-top svg{ width:18px;height:18px; }

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

    @media (max-width: 980px){
      :root{ --container: 980px; }
      .hero-grid{ grid-template-columns: 1fr; }
      h1{ font-size: 30px; }
      .grid-3{ grid-template-columns: 1fr; }
      .grid-4{ grid-template-columns: 1fr 1fr; }
      .split{ grid-template-columns: 1fr; }
      .faq{ grid-template-columns: 1fr; }
      .review-grid{ grid-template-columns: 1fr; }
      .case-grid{ grid-template-columns: 1fr; }
      .article-list{ grid-template-columns: 1fr; }
      .cards-row{ grid-template-columns: 1fr; }
      .contact-grid{ grid-template-columns: 1fr; }
      .form{ grid-template-columns: 1fr; }
      .form .full{ grid-column: auto; }
      .footer-grid{ grid-template-columns: 1fr; }
      .meta-chip{ min-width: 0; flex: 1; }
    }

    @media (max-width: 860px){
      .nav-links{ display:none; }
      .nav-cta{ display:none; }
      .mobile-toggle{ display:inline-flex; }
      .mobile-panel{ display:none; }
      .mobile-panel.open{ display:block; }
      .hero-inner{ padding: 20px 14px; }
      section{ padding: 36px 0; }
    }

    @media (prefers-reduced-motion: reduce){
      *{ transition: none !important; animation: none !important; scroll-behavior:auto !important; }
      .reveal{ opacity:1; transform:none; }
    }