:root{
      --bg0:#ffffff;
      --bg1:#f6f4ff;
      --bg2:#f2f3ff;
      --ink:#111827;
      --muted:#5b6073;
      --line:rgba(17,24,39,.10);
      --card:#ffffff;
      --purple:#6d28d9;
      --purple2:#a855f7;
      --violet:#7c3aed;
      --blue:#2563eb;
      --good:#16a34a;
      --warn:#b45309;
      --shadow: 0 12px 30px rgba(13, 18, 40, .10);
      --shadow2: 0 8px 18px rgba(109, 40, 217, .18);
      --radius: 18px;
      --radius2: 14px;
      --container: 1120px;
      --padX: 20px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color:var(--ink);
      background:
        radial-gradient(900px 500px at 15% 0%, rgba(168,85,247,.14), transparent 55%),
        radial-gradient(700px 420px at 92% 8%, rgba(109,40,217,.14), transparent 55%),
        linear-gradient(180deg, var(--bg1) 0%, #fff 38%, #fff 100%);
      line-height:1.6;
    }
    a{color:inherit}
    .container{
      width: min(var(--container), calc(100% - var(--padX)*2));
      margin: 0 auto;
    }

    .topbar{
      position:sticky; top:0; z-index:30;
      background: rgba(255,255,255,.72);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(17,24,39,.08);
    }
    .topbar-inner{
      display:flex; align-items:center; justify-content:space-between;
      padding: 12px 0;
      gap: 14px;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width: 220px;
    }
    .ai-page-logo{
      width:44px; height:44px; object-fit:contain;
      border-radius:12px;
      background: linear-gradient(135deg, rgba(124,58,237,.12), rgba(168,85,247,.10));
      border: 1px solid rgba(109,40,217,.18);
      padding: 6px;
    }
    .brand-title{display:flex; flex-direction:column; gap:2px;}
    .brand-title strong{font-size:14px; letter-spacing:.2px}
    .brand-title span{font-size:12px; color:var(--muted)}
    nav{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap; justify-content:flex-end;
    }
    .navlinks{
      display:flex; align-items:center; gap:14px; flex-wrap:wrap; justify-content:flex-end;
    }
    .navlinks a{
      text-decoration:none;
      font-size:13px;
      color: rgba(17,24,39,.78);
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid transparent;
      transition: background .2s ease, border-color .2s ease, transform .2s ease;
      white-space:nowrap;
    }
    .navlinks a:hover{
      background: rgba(109,40,217,.07);
      border-color: rgba(109,40,217,.16);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex; gap:10px; align-items:center;
    }
    .btn{
      appearance:none; border:1px solid transparent;
      background: transparent;
      cursor:pointer;
      text-decoration:none;
      display:inline-flex; align-items:center; justify-content:center;
      border-radius: 999px;
      padding: 10px 14px;
      font-weight: 650;
      font-size: 13px;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background: linear-gradient(135deg, var(--violet), var(--purple2));
      box-shadow: 0 10px 20px rgba(124,58,237,.22);
    }
    .btn-primary:hover{transform: translateY(-1px); box-shadow: 0 14px 26px rgba(124,58,237,.28);}
    .btn-outline{
      border-color: rgba(109,40,217,.22);
      color: rgba(109,40,217,.98);
      background: rgba(255,255,255,.6);
    }
    .btn-outline:hover{transform: translateY(-1px); background: rgba(109,40,217,.06); border-color: rgba(109,40,217,.34);}
    .btn-ghost{
      border-color: rgba(17,24,39,.12);
      color: rgba(17,24,39,.86);
      background: rgba(255,255,255,.6);
    }
    .btn-ghost:hover{transform: translateY(-1px); border-color: rgba(109,40,217,.22); background: rgba(109,40,217,.06);}
    .menu-btn{display:none}
    .mobile-menu{
      display:none;
      border-top:1px solid rgba(17,24,39,.08);
      padding: 10px 0 16px;
    }
    .mobile-grid{
      display:grid; gap:10px;
      grid-template-columns: 1fr 1fr;
    }
    .mobile-grid a{
      text-decoration:none;
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.7);
      padding: 10px 12px;
      border-radius: 14px;
      font-size: 13px;
      color: rgba(17,24,39,.84);
    }
    .mobile-grid a:active{transform: scale(.99)}
    @media (max-width: 980px){
      .navlinks{display:none}
      .menu-btn{display:inline-flex}
      .mobile-menu{display:block}
      .topbar-inner{padding: 10px 0}
      .brand{min-width:auto}
    }
    .hero{
      position:relative;
      padding: 28px 0 10px;
    }
    .hero-wrap{
      display:grid;
      grid-template-columns: 1.18fr .82fr;
      gap: 18px;
      align-items: stretch;
    }
    @media (max-width: 980px){
      .hero-wrap{grid-template-columns: 1fr; gap:14px;}
    }
    .hero-left{
      background:
        radial-gradient(900px 420px at 10% 15%, rgba(168,85,247,.22), transparent 60%),
        radial-gradient(760px 380px at 92% 35%, rgba(109,40,217,.18), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.74));
      border: 1px solid rgba(109,40,217,.14);
      border-radius: calc(var(--radius) + 6px);
      box-shadow: var(--shadow);
      padding: 22px;
      overflow:hidden;
      position:relative;
    }
    .hero-left::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(500px 240px at 20% -10%, rgba(124,58,237,.22), transparent 60%),
        radial-gradient(420px 220px at 95% 0%, rgba(168,85,247,.18), transparent 55%),
        conic-gradient(from 180deg at 50% 50%, rgba(109,40,217,.10), rgba(168,85,247,.06), rgba(37,99,235,.06), rgba(109,40,217,.10));
      opacity:.35;
      pointer-events:none;
      filter:saturate(1.2);
    }
    .hero-left > *{position:relative; z-index:1;}
    .kicker{
      display:flex; gap:10px; align-items:center; flex-wrap:wrap;
      margin-bottom: 12px;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.7);
      border: 1px solid rgba(109,40,217,.18);
      color: rgba(109,40,217,.96);
      font-weight: 680;
      font-size: 12px;
    }
    .dot{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, var(--violet), var(--purple2));
      box-shadow: 0 0 0 4px rgba(124,58,237,.15);
    }
    .hero h1{
      margin: 0 0 10px;
      font-size: clamp(22px, 3.2vw, 38px);
      letter-spacing: -0.02em;
      line-height: 1.18;
    }
    .hero-sub{
      margin: 0 0 16px;
      color: var(--muted);
      font-size: 14px;
      max-width: 58ch;
    }
    .hero-actions{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
      margin-bottom: 14px;
    }
    .micro{
      display:flex; gap:14px; flex-wrap:wrap;
      margin-top: 6px;
    }
    .micro-item{
      display:flex; gap:10px; align-items:flex-start;
      padding: 10px 12px;
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.7);
      border-radius: var(--radius2);
      min-width: 210px;
      flex: 1 1 auto;
    }
    .micro-icon{
      width:32px; height:32px; border-radius: 12px;
      background: linear-gradient(135deg, rgba(124,58,237,.18), rgba(168,85,247,.10));
      border: 1px solid rgba(109,40,217,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .micro-item strong{font-size:13px}
    .micro-item span{display:block; font-size:12px; color:var(--muted); margin-top:3px}
    .hero-right{
      display:flex; flex-direction:column; gap:12px;
    }
    .glass-card{
      border-radius: var(--radius);
      border: 1px solid rgba(109,40,217,.14);
      background:
        linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.74));
      box-shadow: 0 10px 24px rgba(109,40,217,.10);
      padding: 16px;
      overflow:hidden;
      position:relative;
    }
    .glass-card::after{
      content:"";
      position:absolute; right:-120px; top:-140px;
      width: 280px; height: 280px;
      background: radial-gradient(circle at 30% 30%, rgba(168,85,247,.35), rgba(168,85,247,.00) 60%);
      transform: rotate(15deg);
      pointer-events:none;
    }
    .glass-card > *{position:relative; z-index:1;}
    .data-grid{
      display:grid; grid-template-columns: 1fr 1fr;
      gap:10px;
      margin-top: 6px;
    }
    .data-item{
      padding: 12px 12px;
      border-radius: 16px;
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.7);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      will-change:transform;
    }
    .data-item:hover{
      transform: translateY(-2px);
      box-shadow: 0 12px 24px rgba(109,40,217,.12);
      border-color: rgba(109,40,217,.22);
    }
    .data-item strong{display:block; font-size:16px}
    .data-item span{display:block; font-size:12px; color:var(--muted); margin-top:4px}
    .section{
      padding: 18px 0;
    }
    .section-title{
      display:flex; align-items:flex-end; justify-content:space-between; gap:12px; flex-wrap:wrap;
      margin-bottom: 12px;
    }
    .section-title h2{
      margin:0;
      font-size: 20px;
      letter-spacing: -0.01em;
    }
    .section-title p{
      margin:0;
      color: var(--muted);
      font-size: 13px;
      max-width: 62ch;
    }

    .grid-2{
      display:grid; grid-template-columns: 1fr 1fr; gap: 14px;
    }
    @media (max-width: 980px){
      .grid-2{grid-template-columns: 1fr}
    }
    .card{
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(17,24,39,.10);
      border-radius: var(--radius);
      padding: 16px;
      box-shadow: 0 10px 22px rgba(17,24,39,.05);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 14px 30px rgba(109,40,217,.10);
      border-color: rgba(109,40,217,.22);
    }
    .card h3{
      margin: 0 0 8px;
      font-size: 15px;
      letter-spacing: -0.01em;
    }
    .card p{margin:0; color: var(--muted); font-size: 13px;}
    .list{
      margin: 12px 0 0; padding:0; list-style:none;
      display:grid; gap:10px;
    }
    .li{
      display:flex; gap:10px; align-items:flex-start;
      padding: 10px 12px;
      border-radius: 14px;
      border: 1px solid rgba(17,24,39,.09);
      background: rgba(255,255,255,.75);
    }
    .li .badge{
      width:26px; height:26px; border-radius: 10px;
      background: rgba(109,40,217,.10);
      border: 1px solid rgba(109,40,217,.18);
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
      color: rgba(109,40,217,.98);
      font-weight: 800;
      font-size: 12px;
    }
    .li div strong{display:block; font-size:13px}
    .li div span{display:block; font-size:12px; color: var(--muted); margin-top:3px}

    .stepper{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
    }
    @media (max-width: 980px){
      .stepper{grid-template-columns: 1fr; gap:10px}
    }
    .step{
      padding: 14px;
      border-radius: var(--radius);
      border: 1px solid rgba(17,24,39,.10);
      background:
        linear-gradient(180deg, rgba(255,255,255,.84), rgba(255,255,255,.72));
      position:relative;
      overflow:hidden;
    }
    .step::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(220px 120px at 0% 0%, rgba(168,85,247,.22), transparent 55%),
        radial-gradient(220px 120px at 100% 0%, rgba(124,58,237,.14), transparent 55%);
      opacity:.55;
      pointer-events:none;
    }
    .step > *{position:relative; z-index:1;}
    .step .num{
      width:34px; height:34px; border-radius: 14px;
      background: linear-gradient(135deg, rgba(124,58,237,.18), rgba(168,85,247,.10));
      border: 1px solid rgba(109,40,217,.18);
      display:flex; align-items:center; justify-content:center;
      font-weight: 900; color: rgba(109,40,217,.98);
      margin-bottom: 10px;
    }
    .step h3{margin:0 0 6px; font-size: 14px}
    .step p{margin:0; color: var(--muted); font-size: 13px}

    .table-wrap{
      overflow:auto;
      border-radius: var(--radius);
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 22px rgba(17,24,39,.05);
    }
    table{
      width: 100%;
      border-collapse: collapse;
      min-width: 760px;
    }
    th, td{
      padding: 12px 14px;
      border-bottom: 1px solid rgba(17,24,39,.08);
      text-align:left;
      vertical-align: top;
      font-size: 13px;
    }
    th{
      position:sticky; top:0;
      background: rgba(246,244,255,.95);
      z-index:1;
      color: rgba(17,24,39,.92);
      font-weight: 800;
    }
    tr:last-child td{border-bottom:none}
    .tag{
      display:inline-flex; align-items:center; gap:8px;
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(109,40,217,.18);
      background: rgba(109,40,217,.07);
      color: rgba(109,40,217,.98);
      font-weight: 750;
      font-size: 12px;
      white-space:nowrap;
    }
    .score{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
    }
    .stars{
      display:inline-flex; gap:2px; align-items:center;
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.75);
      font-weight: 800;
      font-size: 12px;
    }
    .star{
      width:14px; height:14px;
      background: conic-gradient(from 180deg at 50% 0%, #f59e0b, #fbbf24);
      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 0 0 4px rgba(245,158,11,.10);
    }

    .faq{
      border-radius: var(--radius);
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      overflow:hidden;
      box-shadow: 0 10px 22px rgba(17,24,39,.05);
    }
    .faq-item{
      border-top: 1px solid rgba(17,24,39,.08);
    }
    .faq-item:first-child{border-top:none}
    .faq-btn{
      width:100%;
      text-align:left;
      background: transparent;
      border: none;
      padding: 14px 16px;
      cursor:pointer;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      font-weight: 800;
      color: rgba(17,24,39,.92);
      transition: background .2s ease;
    }
    .faq-btn:hover{background: rgba(109,40,217,.05)}
    .faq-q{font-size: 14px; line-height: 1.35}
    .faq-ic{
      flex: 0 0 auto;
      width: 34px; height: 34px;
      border-radius: 14px;
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.75);
      display:flex; align-items:center; justify-content:center;
      transition: transform .2s ease, border-color .2s ease;
      margin-top: 2px;
    }
    .faq-item[aria-expanded="true"] .faq-ic{transform: rotate(45deg); border-color: rgba(109,40,217,.22);}
    .faq-panel{
      max-height: 0px;
      overflow:hidden;
      transition: max-height .25s ease;
    }
    .faq-panel-inner{
      padding: 0 16px 14px;
      color: var(--muted);
      font-size: 13px;
    }

    .comments{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }
    @media (max-width: 980px){
      .comments{grid-template-columns: 1fr; gap:10px}
    }
    .comment{
      padding: 14px;
      border-radius: var(--radius);
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.75);
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .comment:hover{transform: translateY(-2px); box-shadow: 0 14px 30px rgba(109,40,217,.08);}
    .comment-top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom: 10px;
    }
    .avatar{
      width:36px; height:36px; border-radius: 14px;
      background: linear-gradient(135deg, rgba(109,40,217,.18), rgba(168,85,247,.10));
      border: 1px solid rgba(109,40,217,.20);
      display:flex; align-items:center; justify-content:center;
      font-weight: 900;
      color: rgba(109,40,217,.95);
      flex:0 0 auto;
    }
    .who strong{display:block; font-size:13px}
    .who span{display:block; font-size:12px; color:var(--muted); margin-top:3px}
    .review-stars{
      display:flex; gap:2px; align-items:center;
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.75);
      font-weight: 900;
      font-size: 12px;
      white-space:nowrap;
    }
    .review-stars i{
      display:inline-block; width:12px; height:12px;
      background: linear-gradient(135deg, #a855f7, #f59e0b);
      border-radius: 3px;
      transform: rotate(45deg);
      opacity:.95;
    }
    .comment p{margin:0; color: var(--muted); font-size: 13px}

    .article-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    @media (max-width: 980px){
      .article-grid{grid-template-columns: 1fr}
    }
    .article{
      display:flex; flex-direction:column; gap:10px;
      padding: 14px;
      border-radius: var(--radius);
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.74);
    }
    .article a{
      text-decoration:none;
      font-weight: 850;
      letter-spacing: -0.01em;
    }
    .article a:hover{color: rgba(109,40,217,.98); text-decoration: underline}
    .article .meta{
      color: var(--muted);
      font-size: 12px;
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
    }
    .tag-row{display:flex; gap:8px; flex-wrap:wrap}
    .mini-tag{
      display:inline-flex; align-items:center;
      padding: 7px 9px;
      border-radius: 999px;
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.75);
      color: rgba(17,24,39,.82);
      font-size: 12px;
      font-weight: 700;
    }

    .form{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 10px;
    }
    @media (max-width: 980px){
      .form{grid-template-columns: 1fr}
    }
    label{
      font-size: 12px;
      color: rgba(17,24,39,.86);
      font-weight: 800;
      display:block;
      margin-bottom: 8px;
    }
    .field{
      background: rgba(255,255,255,.82);
      border: 1px solid rgba(17,24,39,.10);
      border-radius: 14px;
      padding: 10px 12px;
      width: 100%;
      font-size: 14px;
      color: rgba(17,24,39,.92);
      outline: none;
      transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
    }
    .field:focus{
      border-color: rgba(109,40,217,.35);
      box-shadow: 0 0 0 4px rgba(124,58,237,.12);
    }
    textarea.field{min-height: 110px; resize: vertical}
    .form-actions{
      grid-column: 1 / -1;
      display:flex; gap:10px; align-items:center; justify-content:space-between;
      flex-wrap:wrap;
      margin-top: 2px;
    }
    .hint{
      color: var(--muted);
      font-size: 12px;
      max-width: 55ch;
    }
    .toast{
      position: fixed;
      left: 50%;
      transform: translateX(-50%);
      bottom: 18px;
      z-index: 80;
      background: rgba(17,24,39,.92);
      color: #fff;
      border-radius: 999px;
      padding: 10px 14px;
      box-shadow: 0 18px 40px rgba(0,0,0,.22);
      opacity: 0;
      pointer-events:none;
      transition: opacity .2s ease, transform .2s ease;
      display:flex; align-items:center; gap:10px;
      font-size: 13px;
    }
    .toast.show{opacity:1; transform: translateX(-50%) translateY(-6px);}
    .toast .ticon{
      width: 26px; height: 26px;
      border-radius: 10px;
      background: rgba(124,58,237,.22);
      border: 1px solid rgba(168,85,247,.35);
      display:flex; align-items:center; justify-content:center;
      font-weight: 900;
    }

    .tag-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
      padding: 12px;
      border-radius: var(--radius);
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 22px rgba(17,24,39,.05);
    }
    .cloud-item{
      padding: 9px 12px;
      border-radius: 999px;
      border: 1px solid rgba(109,40,217,.18);
      background: rgba(109,40,217,.07);
      color: rgba(109,40,217,.98);
      font-weight: 800;
      font-size: 12px;
      transition: transform .2s ease, background .2s ease;
      user-select:none;
    }
    .cloud-item:hover{transform: translateY(-2px); background: rgba(109,40,217,.11);}

    .timeline{
      border-radius: var(--radius);
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      padding: 14px;
      box-shadow: 0 10px 22px rgba(17,24,39,.05);
    }
    .timeline-row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    @media (max-width: 980px){
      .timeline-row{grid-template-columns:1fr}
    }
    .titem{
      padding: 12px 12px;
      border-radius: 16px;
      border: 1px solid rgba(17,24,39,.09);
      background: rgba(255,255,255,.78);
    }
    .titem strong{display:flex; align-items:center; gap:10px; font-size: 13px}
    .tbullet{
      width: 12px; height: 12px; border-radius: 4px;
      background: linear-gradient(135deg, var(--violet), var(--purple2));
      box-shadow: 0 0 0 5px rgba(124,58,237,.10);
    }
    .titem span{display:block; margin-top:6px; color: var(--muted); font-size: 13px}

    .network-grid{
      display:grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px;
    }
    @media (max-width: 980px){
      .network-grid{grid-template-columns: 1fr}
    }
    .net{
      padding: 14px;
      border-radius: var(--radius);
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.74);
    }
    .net h3{margin:0 0 8px; font-size: 14px}
    .net .muted{color: var(--muted); font-size: 13px; margin:0}
    .net ul{margin: 12px 0 0; padding:0; list-style:none; display:grid; gap:8px}
    .net li{
      display:flex; justify-content:space-between; gap:10px;
      border: 1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.78);
      padding: 10px 12px;
      border-radius: 14px;
      font-size: 13px;
      color: rgba(17,24,39,.86);
    }
    .net li b{font-weight: 900}
    .net li i{font-style: normal; color: var(--muted); font-size: 12px}

    .case-grid{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 12px;
    }
    @media (max-width: 980px){
      .case-grid{grid-template-columns:1fr}
    }
    .case{
      border-radius: var(--radius);
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      overflow:hidden;
      display:flex; flex-direction:column;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .case:hover{transform: translateY(-2px); box-shadow: 0 16px 34px rgba(109,40,217,.10); border-color: rgba(109,40,217,.22);}
    .case-media{
      padding: 12px;
      background:
        radial-gradient(420px 180px at 20% 0%, rgba(168,85,247,.18), transparent 55%),
        linear-gradient(180deg, rgba(246,244,255,.85), rgba(255,255,255,.7));
      border-bottom: 1px solid rgba(17,24,39,.08);
    }
    .case-media img{
      width:100%;
      height:auto;
      display:block;
      border-radius: 14px;
      border: 1px solid rgba(17,24,39,.08);
      background: #fff;
    }
    .case-body{
      padding: 14px;
      display:flex; flex-direction:column; gap:10px;
      flex:1;
    }
    .case-body h3{margin:0; font-size: 14px}
    .case-body p{margin:0; color: var(--muted); font-size: 13px}
    .case-foot{
      display:flex; gap:10px; flex-wrap:wrap; margin-top:auto;
    }

    .two-media{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 12px;
      align-items: stretch;
    }
    @media (max-width: 980px){
      .two-media{grid-template-columns:1fr}
    }
    .media-panel{
      border-radius: var(--radius);
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      padding: 14px;
      box-shadow: 0 10px 22px rgba(17,24,39,.05);
      overflow:hidden;
    }
    .media-strip{
      display:grid; grid-template-columns: 1fr 1fr; gap:10px;
    }
    .media-strip img{
      width:100%;
      height:auto;
      object-fit: cover;
      border-radius: 14px;
      border: 1px solid rgba(17,24,39,.08);
      background: #fff;
      display:block;
    }
    .media-small img{
      width:100%;
      height:auto;
      border-radius: 14px;
      border: 1px solid rgba(17,24,39,.08);
      background:#fff;
      display:block;
    }
    .network-slim{
      display:flex; gap:10px; flex-wrap:wrap; margin-top:10px;
    }
    .chip{
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      font-size: 12px;
      font-weight: 800;
      color: rgba(17,24,39,.84);
    }
    .footer{
      margin-top: 12px;
      background:
        radial-gradient(700px 240px at 30% 0%, rgba(168,85,247,.18), transparent 60%),
        linear-gradient(180deg, #121326 0%, #0f1022 100%);
      color: rgba(255,255,255,.92);
      border-top: 1px solid rgba(255,255,255,.10);
    }
    .footer .container{padding: 22px 0 16px;}
    .footer-top{
      display:grid; grid-template-columns: 1.2fr .8fr; gap: 14px; align-items:start;
    }
    @media (max-width: 980px){
      .footer-top{grid-template-columns:1fr}
    }
    .footer-brand{
      display:flex; align-items:flex-start; gap:12px;
    }
    .footer-brand .fimg{
      width: 46px; height: 46px; border-radius: 16px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.16);
      padding: 6px;
      display:flex; align-items:center; justify-content:center;
    }
    .footer-brand img{width: 34px; height: 34px; object-fit:contain; display:block;}
    .footer-brand strong{display:block; font-size: 14px; margin-top: 2px}
    .footer-brand span{display:block; font-size: 12px; color: rgba(255,255,255,.72); margin-top: 6px}
    .footer-links{
      display:grid; gap:10px;
      align-content:start;
    }
    .footer-links .row{
      display:flex; gap:12px; flex-wrap:wrap;
    }
    .footer-links a{
      color: rgba(255,255,255,.90);
      text-decoration:none;
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.06);
      padding: 10px 12px;
      border-radius: 14px;
      font-weight: 750;
      font-size: 13px;
      transition: transform .2s ease, background .2s ease, border-color .2s ease;
      display:inline-flex; align-items:center; gap:10px;
    }
    .footer-links a:hover{transform: translateY(-1px); background: rgba(168,85,247,.14); border-color: rgba(168,85,247,.30);}
    .footer-mid{
      margin-top: 14px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px; flex-wrap:wrap;
      padding-top: 14px;
      border-top: 1px solid rgba(255,255,255,.12);
    }
    .footer-contacts{
      display:grid; gap:8px; min-width: 280px;
      color: rgba(255,255,255,.82);
      font-size: 13px;
    }
    .footer-contacts a{
      color: #fff;
      text-decoration: underline;
      text-underline-offset: 3px;
    }
    .footer-qrcode{
      display:flex; gap:12px; align-items:flex-start; flex-wrap:wrap;
    }
    .qr{
      width: 110px;
      border-radius: 16px;
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.06);
      padding: 10px;
    }
    .qr img{
      width:100%;
      height:auto;
      display:block;
      border-radius: 12px;
      filter: saturate(1.05) contrast(1.02);
    }
    .footer-copyright{
      margin-top: 14px;
      color: rgba(255,255,255,.70);
      font-size: 12px;
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      border-top: 1px solid rgba(255,255,255,.10);
      padding-top: 12px;
    }
    .footer-copyright b{color: rgba(255,255,255,.90)}
    .float-chat{
      position: fixed;
      right: 14px;
      bottom: 18px;
      z-index: 70;
      display:flex; flex-direction:column; gap:10px; align-items:flex-end;
      pointer-events:none;
    }
    .chat-btn{
      pointer-events:auto;
      width: 52px; height: 52px;
      border-radius: 18px;
      border: 1px solid rgba(255,255,255,.16);
      background: linear-gradient(135deg, rgba(124,58,237,.92), rgba(168,85,247,.92));
      color:#fff;
      box-shadow: 0 18px 40px rgba(109,40,217,.28);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .chat-btn:hover{transform: translateY(-2px); box-shadow: 0 22px 48px rgba(109,40,217,.34);}
    .chat-pop{
      pointer-events:auto;
      width: 260px;
      border-radius: 18px;
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.90);
      backdrop-filter: blur(10px);
      box-shadow: 0 18px 40px rgba(0,0,0,.12);
      overflow:hidden;
      transform-origin: right bottom;
      transform: scale(.98);
      opacity:0;
      visibility:hidden;
      transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
    }
    .chat-pop.show{
      opacity:1; visibility:visible; transform: scale(1);
    }
    .chat-head{
      padding: 12px 12px;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      background:
        radial-gradient(320px 140px at 20% 0%, rgba(168,85,247,.20), transparent 60%),
        linear-gradient(180deg, rgba(246,244,255,.95), rgba(255,255,255,.85));
      border-bottom: 1px solid rgba(17,24,39,.08);
    }
    .chat-head strong{font-size: 13px}
    .chat-close{
      width: 34px; height: 34px;
      border-radius: 14px;
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.8);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      font-weight: 900;
    }
    .chat-body{
      padding: 12px;
      color: var(--muted);
      font-size: 13px;
      display:grid; gap:10px;
    }
    .chat-qrcode{
      display:grid; grid-template-columns: 1fr 1fr; gap:10px;
      align-items:start;
    }
    .chat-qrcode .q{
      border-radius: 16px;
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.84);
      padding: 8px;
    }
    .chat-qrcode img{
      width:100%;
      height:auto;
      display:block;
      border-radius: 12px;
      background:#fff;
      border: 1px solid rgba(17,24,39,.08);
    }
    .chat-note b{color: rgba(17,24,39,.92)}
    .backtop{
      pointer-events:auto;
      width: 52px; height: 52px;
      border-radius: 18px;
      border: 1px solid rgba(255,255,255,.16);
      background: rgba(255,255,255,.92);
      color: rgba(17,24,39,.90);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      box-shadow: 0 18px 40px rgba(0,0,0,.10);
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .backtop:hover{transform: translateY(-2px); box-shadow: 0 22px 48px rgba(0,0,0,.14);}
    .backtop svg{width: 22px; height: 22px}

    .reveal{opacity:0; transform: translateY(10px); transition: opacity .5s ease, transform .5s ease;}
    .reveal.in{opacity:1; transform: translateY(0)}
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .reveal{opacity:1; transform:none; transition:none}
      .faq-panel{transition:none}
    }