:root{
      --bg0:#fbfbfc;
      --bg1:#ffffff;
      --text:#0f172a;
      --muted:#475569;
      --muted2:#64748b;
      --line:rgba(15,23,42,.10);
      --shadow:0 18px 50px rgba(15,23,42,.10);
      --shadow2:0 10px 28px rgba(15,23,42,.10);
      --radius:18px;
      --radius2:14px;
      --brand1:#2dd4bf;
      --brand2:#4f46e5;
      --brand3:#f97316;
      --brand4:#22c55e;
      --brandA:#14b8a6;
      --focus:rgba(79,70,229,.28);
      --btn:#0b1220;
      --btn2:#0f172a;
      --card:rgba(255,255,255,.78);
      --card2:#ffffff;
      --grad:linear-gradient(120deg, rgba(45,212,191,.18), rgba(79,70,229,.18), rgba(249,115,22,.14));
      --grad2:linear-gradient(120deg, #2dd4bf, #4f46e5, #f97316);
      --grad3:linear-gradient(135deg, rgba(45,212,191,.20) 0%, rgba(79,70,229,.22) 45%, rgba(249,115,22,.18) 100%);
      --chip:rgba(79,70,229,.10);
      --good: #16a34a;
      --warn: #f59e0b;
      --danger:#ef4444;
      --link:#1d4ed8;
      --container:1120px;
    }

    *{box-sizing:border-box}
    html,body{height:100%}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", Arial, "Noto Sans", "Noto Sans SC", sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 600px at 10% -10%, rgba(45,212,191,.18), transparent 55%),
        radial-gradient(900px 500px at 90% 0%, rgba(79,70,229,.18), transparent 50%),
        radial-gradient(700px 420px at 70% 40%, rgba(249,115,22,.12), transparent 55%),
        linear-gradient(#fbfbfc, #fbfbfc);
      overflow-x:hidden;
    }

    a{color:inherit; text-decoration:none}
    a:focus, button:focus, input:focus, select:focus, textarea:focus {outline: none}
    .skip{
      position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip:focus{
      left:16px; top:16px; width:auto; height:auto; padding:10px 12px;
      background:#fff; border:1px solid var(--line); border-radius:12px; z-index:9999;
      box-shadow: var(--shadow2);
    }

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

    header{
      position:sticky; top:0; z-index:40;
      background:rgba(251,251,252,.72);
      backdrop-filter: blur(10px);
      border-bottom:1px solid rgba(15,23,42,.06);
    }
    .nav-wrap{padding:12px 0}
    .nav{
      display:flex; align-items:center; justify-content:space-between; gap:16px;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width: 240px;
    }
    .ai-page-logo{
      width:44px; height:44px; border-radius:14px;
      background:linear-gradient(135deg, rgba(45,212,191,.18), rgba(79,70,229,.18));
      padding:8px;
      box-shadow: 0 10px 22px rgba(79,70,229,.10);
    }
    .brand-text{display:flex; flex-direction:column; line-height:1.1}
    .brand-text strong{font-size:14px; letter-spacing:.2px}
    .brand-text span{font-size:12px; color:var(--muted2); margin-top:4px}

    .nav-right{display:flex; align-items:center; gap:12px; justify-content:flex-end; flex-wrap:wrap}
    .nav-links{
      display:flex; align-items:center; gap:14px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      font-size:13px; color:rgba(15,23,42,.78);
      padding:8px 10px;
      border-radius:12px;
      transition: background .2s ease, color .2s ease, transform .2s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background: rgba(79,70,229,.08);
      color:rgba(15,23,42,.95);
      transform: translateY(-1px);
    }

    .nav-cta{
      display:flex; align-items:center; gap:10px;
    }
    .btn{
      appearance:none; border:1px solid rgba(15,23,42,.12);
      background:#fff; color:var(--btn2);
      padding:10px 14px;
      border-radius:14px;
      font-weight:700; font-size:13px;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, background .2s ease, border-color .2s ease;
      box-shadow: 0 10px 24px rgba(15,23,42,.06);
      display:inline-flex; align-items:center; gap:10px;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 16px 36px rgba(15,23,42,.10);
      border-color: rgba(79,70,229,.28);
      background: #ffffff;
    }
    .btn:active{transform: translateY(0px)}
    .btn-primary{
      border-color: transparent;
      background: linear-gradient(135deg, rgba(45,212,191,.95), rgba(79,70,229,.92));
      color:#07121f;
      position:relative;
      overflow:hidden;
      box-shadow: 0 18px 40px rgba(79,70,229,.18);
    }
    .btn-primary::after{
      content:"";
      position:absolute; inset:-2px;
      background: linear-gradient(120deg, rgba(255,255,255,.55), transparent 45%);
      transform: translateX(-60%);
      transition: transform .6s ease;
      pointer-events:none;
    }
    .btn-primary:hover::after{transform: translateX(60%)}
    .btn-ghost{
      background: rgba(255,255,255,.75);
    }
    .menu-btn{
      display:none;
      width:44px; height:44px; border-radius:14px;
      border:1px solid rgba(15,23,42,.12);
      background: rgba(255,255,255,.75);
      cursor:pointer;
      align-items:center; justify-content:center;
      box-shadow: 0 10px 24px rgba(15,23,42,.06);
    }
    .menu-btn svg{width:20px; height:20px}
    .mobile-panel{
      display:none;
      padding:10px 0 16px;
    }
    .mobile-links{
      display:flex; flex-direction:column; gap:8px;
      padding:12px;
      background: rgba(255,255,255,.82);
      border:1px solid rgba(15,23,42,.08);
      border-radius:18px;
      box-shadow: 0 16px 40px rgba(15,23,42,.08);
    }
    .mobile-links a{
      padding:12px 12px;
      border-radius:14px;
      background: rgba(79,70,229,.06);
      color: rgba(15,23,42,.92);
      font-weight:700;
      font-size:13px;
      border:1px solid rgba(79,70,229,.14);
    }
    .mobile-links a:active{transform: translateY(1px)}
    .mobile-actions{margin-top:10px; display:flex; gap:10px; flex-wrap:wrap}
    .mobile-actions .btn{flex:1; justify-content:center}

    .hero{
      padding:26px 0 22px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-card{
      background: linear-gradient(180deg, rgba(255,255,255,.84), rgba(255,255,255,.66));
      border:1px solid rgba(15,23,42,.08);
      border-radius: 26px;
      box-shadow: 0 18px 60px rgba(15,23,42,.10);
      position:relative;
      overflow:hidden;
    }
    .hero-card::before{
      content:"";
      position:absolute; inset:-1px;
      background: var(--grad3);
      opacity:.9;
      pointer-events:none;
      mask-image: radial-gradient(600px 260px at 18% 10%, #000 0%, transparent 60%);
    }
    .hero-inner{
      padding:26px 22px;
      position:relative;
    }
    .pill-row{display:flex; gap:10px; flex-wrap:wrap; align-items:center}
    .pill{
      font-size:12px; font-weight:800;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(79,70,229,.18);
      background: rgba(79,70,229,.08);
      color: rgba(15,23,42,.90);
      display:inline-flex; align-items:center; gap:8px;
    }
    .pill i{
      width:10px; height:10px; border-radius:3px;
      background: var(--grad2);
      box-shadow: 0 10px 18px rgba(79,70,229,.18);
      display:inline-block;
    }
    .hero h1{
      margin:14px 0 10px;
      font-size:36px;
      letter-spacing:-.5px;
      line-height:1.08;
    }
    .hero p{
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.65;
      max-width: 62ch;
    }
    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap;
      margin-top:18px;
      align-items:center;
    }
    .hero-mini{
      margin-top:16px;
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:10px;
    }
    .mini-stat{
      border-radius:16px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.72);
      padding:12px 12px;
    }
    .mini-stat strong{
      display:block;
      font-size:16px;
      letter-spacing:-.3px;
    }
    .mini-stat span{
      display:block;
      margin-top:6px;
      font-size:12px;
      color:var(--muted2);
      line-height:1.35;
    }

    .hero-side{
      display:flex; flex-direction:column; gap:14px;
    }
    .side-top{
      border-radius: 26px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.68);
      box-shadow: 0 18px 60px rgba(15,23,42,.08);
      padding:16px;
      overflow:hidden;
      position:relative;
    }
    .side-top::after{
      content:"";
      position:absolute;
      width:420px; height:420px;
      right:-220px; top:-260px;
      background: radial-gradient(circle at 30% 30%, rgba(79,70,229,.22), transparent 62%),
                  radial-gradient(circle at 70% 70%, rgba(45,212,191,.22), transparent 60%),
                  radial-gradient(circle at 30% 70%, rgba(249,115,22,.16), transparent 58%);
      pointer-events:none;
    }
    .side-title{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
      position:relative;
    }
    .side-title h2{
      margin:0;
      font-size:14px; letter-spacing:.2px;
      color: rgba(15,23,42,.92);
    }
    .badge{
      font-size:12px;
      font-weight:900;
      padding:8px 10px;
      border-radius:999px;
      background: rgba(34,197,94,.10);
      border:1px solid rgba(34,197,94,.22);
      color: rgba(15,23,42,.92);
      white-space:nowrap;
    }
    .tabs{
      margin-top:12px;
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .tab{
      cursor:pointer;
      border-radius:14px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.70);
      padding:10px 12px;
      font-weight:800;
      font-size:13px;
      transition: transform .15s ease, background .2s ease, border-color .2s ease;
      user-select:none;
    }
    .tab:hover{transform: translateY(-1px)}
    .tab[aria-selected="true"]{
      border-color: rgba(79,70,229,.28);
      background: rgba(79,70,229,.10);
      box-shadow: 0 12px 24px rgba(79,70,229,.12);
    }
    .side-content{
      margin-top:12px;
      display:grid;
      gap:10px;
      position:relative;
    }
    .cap{
      border-radius:16px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.72);
      padding:12px;
    }
    .cap-top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .cap strong{font-size:13px}
    .cap .tag{
      font-size:12px;
      color: rgba(15,23,42,.88);
      background: rgba(245,158,11,.10);
      border:1px solid rgba(245,158,11,.22);
      padding:6px 10px;
      border-radius:999px;
      font-weight:900;
      white-space:nowrap;
    }
    .cap p{
      margin:8px 0 0;
      color: var(--muted);
      font-size:13px;
      line-height:1.55;
    }

    .hero-bands{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:12px;
      margin-top:14px;
    }
    .band{
      border-radius:18px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.70);
      padding:14px;
      display:flex; gap:12px; align-items:flex-start;
      position:relative;
      overflow:hidden;
    }
    .band::before{
      content:"";
      position:absolute; inset:-1px;
      background: var(--grad);
      opacity:.35;
      mask-image: radial-gradient(180px 120px at 20% 20%, #000 0%, transparent 70%);
      pointer-events:none;
    }
    .icon{
      width:36px; height:36px; border-radius:14px;
      background: rgba(79,70,229,.12);
      border:1px solid rgba(79,70,229,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      box-shadow: 0 14px 24px rgba(79,70,229,.10);
      position:relative;
    }
    .icon svg{width:18px; height:18px}
    .band strong{display:block; font-size:14px; position:relative}
    .band span{display:block; font-size:12px; color:var(--muted2); margin-top:6px; line-height:1.4; position:relative}

    main{padding:16px 0 40px}
    section{padding:24px 0}
    .section-title{
      display:flex; align-items:flex-end; justify-content:space-between; gap:16px;
      margin-bottom:14px;
    }
    .section-title h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.3px;
    }
    .section-title p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.6;
      max-width: 62ch;
    }

    .grid-2{display:grid; grid-template-columns: 1fr 1fr; gap:14px; align-items:start}
    .grid-3{display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap:14px}
    .grid-4{display:grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap:12px}

    .card{
      border-radius: var(--radius);
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.75);
      box-shadow: 0 16px 40px rgba(15,23,42,.06);
      overflow:hidden;
    }
    .card-inner{padding:16px}
    .card h3{margin:0; font-size:15px; letter-spacing:-.2px}
    .card p{margin:10px 0 0; color:var(--muted); font-size:13px; line-height:1.6}
    .card .list{
      margin:12px 0 0; padding:0; list-style:none; display:grid; gap:10px
    }
    .list li{
      display:flex; gap:10px; align-items:flex-start;
      color: rgba(15,23,42,.88);
      font-size:13px; line-height:1.5;
    }
    .check{
      width:20px; height:20px;
      border-radius:8px;
      background: rgba(34,197,94,.10);
      border:1px solid rgba(34,197,94,.22);
      display:inline-flex; align-items:center; justify-content:center; flex:0 0 auto;
      margin-top:1px;
    }
    .check svg{width:12px; height:12px; color: var(--good)}
    .muted{color:var(--muted)}

    .timeline{
      display:grid; gap:12px;
    }
    .step{
      display:flex; gap:12px; align-items:flex-start;
      padding:14px;
      border-radius:18px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.70);
      position:relative;
      overflow:hidden;
    }
    .step::before{
      content:"";
      position:absolute; inset:-1px;
      background: var(--grad3);
      opacity:.25;
      mask-image: radial-gradient(240px 120px at 10% 10%, #000 0%, transparent 70%);
      pointer-events:none;
    }
    .step-num{
      width:40px; height:40px;
      border-radius:16px;
      background: rgba(79,70,229,.10);
      border:1px solid rgba(79,70,229,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight:1000;
      position:relative;
      flex:0 0 auto;
    }
    .step-num span{
      background: linear-gradient(120deg, rgba(45,212,191,.95), rgba(79,70,229,.95));
      -webkit-background-clip:text;
      background-clip:text;
      color: transparent;
      font-size:14px;
    }
    .step-body{position:relative}
    .step-body strong{display:block; font-size:14px}
    .step-body p{margin:8px 0 0; color:var(--muted); font-size:13px; line-height:1.6}

    .compare-wrap{
      border-radius: 22px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.72);
      box-shadow: 0 18px 60px rgba(15,23,42,.08);
      overflow:hidden;
    }
    .compare-top{
      padding:16px;
      background: linear-gradient(135deg, rgba(45,212,191,.12), rgba(79,70,229,.12), rgba(249,115,22,.10));
      border-bottom:1px solid rgba(15,23,42,.08);
      display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap; align-items:flex-end;
    }
    .score{
      display:flex; align-items:center; gap:12px; flex-wrap:wrap;
    }
    .stars{
      display:flex; gap:6px; align-items:center;
    }
    .star{
      width:18px; height:18px; display:inline-flex; align-items:center; justify-content:center;
      color:#f59e0b;
    }
    .score strong{font-size:16px}
    .score span{color:var(--muted2); font-size:13px}
    .compare-actions{display:flex; gap:10px; flex-wrap:wrap; align-items:center}
    .compare-table{
      width:100%;
      border-collapse:collapse;
      table-layout:fixed;
    }
    .compare-table th, .compare-table td{
      padding:12px 12px;
      border-bottom:1px solid rgba(15,23,42,.08);
      vertical-align:top;
      font-size:13px;
      line-height:1.55;
    }
    .compare-table th{
      background: rgba(255,255,255,.6);
      font-size:13px;
      color: rgba(15,23,42,.9);
      font-weight:1000;
    }
    .col-name{width:30%}
    .col-pro{width:25%}
    .col-std{width:25%}
    .col-other{width:20%}
    .pill-score{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius:999px;
      background: rgba(34,197,94,.10);
      border:1px solid rgba(34,197,94,.24);
      font-weight:1000;
      white-space:nowrap;
    }
    .pill-score b{
      background: var(--grad2);
      -webkit-background-clip:text;
      background-clip:text;
      color: transparent;
      font-size:14px;
    }
    .muted-badge{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius:999px;
      background: rgba(148,163,184,.16);
      border:1px solid rgba(148,163,184,.22);
      color: rgba(15,23,42,.86);
      font-weight:900;
      white-space:nowrap;
    }

    .service-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:14px;
      align-items:start;
    }
    .scene-grid{
      display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap:12px;
    }
    .scene{
      padding:14px;
      border-radius:18px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.72);
      transition: transform .15s ease, box-shadow .15s ease;
      position:relative;
      overflow:hidden;
      min-height: 104px;
    }
    .scene:hover{
      transform: translateY(-2px);
      box-shadow: 0 22px 52px rgba(15,23,42,.12);
    }
    .scene::before{
      content:"";
      position:absolute; inset:-1px;
      background: var(--grad3);
      opacity:.18;
      mask-image: radial-gradient(220px 120px at 15% 12%, #000 0%, transparent 70%);
      pointer-events:none;
    }
    .scene strong{position:relative; font-size:14px; display:block}
    .scene p{position:relative; margin:8px 0 0; color:var(--muted); font-size:13px; line-height:1.55}

    .model-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:12px;
    }
    .chip{
      padding:9px 10px;
      border-radius:999px;
      border:1px solid rgba(79,70,229,.16);
      background: rgba(79,70,229,.08);
      color: rgba(15,23,42,.92);
      font-weight:900;
      font-size:12px;
      white-space:nowrap;
    }
    .chip.alt{
      background: rgba(45,212,191,.10);
      border-color: rgba(45,212,191,.22);
    }
    .chip.warm{
      background: rgba(249,115,22,.10);
      border-color: rgba(249,115,22,.22);
    }

    .category-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .cat{
      padding:16px;
      border-radius:20px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.75);
      position:relative;
      overflow:hidden;
      transition: transform .15s ease, box-shadow .15s ease, border-color .2s ease;
      min-height: 162px;
    }
    .cat:hover{
      transform: translateY(-2px);
      box-shadow: 0 22px 52px rgba(15,23,42,.12);
      border-color: rgba(79,70,229,.22);
    }
    .cat::before{
      content:"";
      position:absolute; inset:-1px;
      background: linear-gradient(135deg, rgba(45,212,191,.18), rgba(79,70,229,.18), rgba(249,115,22,.12));
      opacity:.22;
      pointer-events:none;
      mask-image: radial-gradient(240px 120px at 25% 20%, #000 0%, transparent 70%);
    }
    .cat h3{margin:0; font-size:15px; position:relative}
    .cat .sub{position:relative; margin-top:8px; color:var(--muted); font-size:13px; line-height:1.6}
    .cat ul{
      position:relative;
      margin:12px 0 0; padding:0; list-style:none; display:grid; gap:8px;
    }
    .cat li{display:flex; gap:10px; align-items:flex-start; font-size:13px; color:rgba(15,23,42,.9); line-height:1.5}
    .dot{
      width:10px; height:10px; border-radius:4px;
      background: rgba(79,70,229,.18);
      border:1px solid rgba(79,70,229,.26);
      margin-top:5px;
      flex:0 0 auto;
    }

    .cards-2{
      display:grid; grid-template-columns: 1fr 1fr; gap:14px;
    }
    .article-list{
      display:grid; gap:10px;
      padding:6px;
    }
    .article-item{
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.70);
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      transition: transform .15s ease, box-shadow .15s ease, border-color .2s ease;
    }
    .article-item:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 38px rgba(15,23,42,.10);
      border-color: rgba(79,70,229,.22);
    }
    .article-item strong{
      font-size:13px; line-height:1.35;
      display:block;
    }
    .article-item span{
      margin-top:7px;
      display:block;
      font-size:12px;
      color:var(--muted2);
      line-height:1.4;
    }
    .arrow{
      width:34px; height:34px;
      border-radius:14px;
      background: rgba(79,70,229,.10);
      border:1px solid rgba(79,70,229,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .arrow svg{width:16px; height:16px; color: rgba(29,78,216,.95)}

    .case-grid{
      display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap:14px;
    }
    .case{
      border-radius:22px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.74);
      overflow:hidden;
      display:flex; flex-direction:column;
      min-height: 280px;
    }
    .case-media{
      padding:12px;
      background: linear-gradient(180deg, rgba(255,255,255,.7), rgba(255,255,255,.4));
      border-bottom:1px solid rgba(15,23,42,.06);
    }
    .media-wrap{
      border-radius:18px;
      overflow:hidden;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.8);
      aspect-ratio: 16/10;
      display:flex;
      align-items:center;
      justify-content:center;
    }
    .media-wrap img{
      width:100%;
      height:auto;
      object-fit: contain;
      display:block;
    }
    .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; line-height:1.6}
    .case-meta{
      display:flex; gap:10px; flex-wrap:wrap; margin-top:auto;
    }
    .meta-chip{
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.70);
      color: rgba(15,23,42,.88);
      font-weight:900;
      white-space:nowrap;
    }

    .faq{
      display:grid; gap:10px;
    }
    details.faq-item{
      background: rgba(255,255,255,.72);
      border:1px solid rgba(15,23,42,.08);
      border-radius:18px;
      padding:0 0;
      box-shadow: 0 16px 40px rgba(15,23,42,.05);
      overflow:hidden;
    }
    details.faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:14px 16px;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      user-select:none;
      font-weight:1000;
      font-size:14px;
    }
    details.faq-item summary::-webkit-details-marker{display:none}
    .faq-q{display:flex; gap:12px; align-items:flex-start}
    .qmark{
      width:34px; height:34px;
      border-radius:14px;
      background: rgba(79,70,229,.10);
      border:1px solid rgba(79,70,229,.20);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .qmark svg{width:16px; height:16px; color: rgba(79,70,229,.95)}
    .chev{
      width:34px; height:34px;
      border-radius:14px;
      background: rgba(15,23,42,.04);
      border:1px solid rgba(15,23,42,.08);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .2s ease;
    }
    details[open] .chev{transform: rotate(180deg)}
    details.faq-item .faq-a{
      padding:0 16px 14px 62px;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }

    .review-grid{
      display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap:14px;
    }
    .review{
      border-radius:22px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.75);
      padding:16px;
      overflow:hidden;
      position:relative;
      min-height: 220px;
    }
    .review::before{
      content:"";
      position:absolute; inset:-1px;
      background: var(--grad3);
      opacity:.18;
      pointer-events:none;
      mask-image: radial-gradient(220px 120px at 15% 12%, #000 0%, transparent 70%);
    }
    .review-top{position:relative; display:flex; align-items:flex-start; justify-content:space-between; gap:12px}
    .avatar{
      width:42px; height:42px; border-radius:18px;
      background: rgba(79,70,229,.10);
      border:1px solid rgba(79,70,229,.20);
      display:flex; align-items:center; justify-content:center;
      font-weight:1000;
      color: rgba(29,78,216,.95);
      flex:0 0 auto;
    }
    .review-top strong{
      display:block;
      font-size:13px;
      margin-top:4px;
      position:relative;
    }
    .review-top span{
      display:block;
      font-size:12px;
      color:var(--muted2);
      margin-top:6px;
      position:relative;
    }
    .review-stars{
      position:relative;
      display:flex; gap:4px; align-items:center; justify-content:flex-end;
      color:#f59e0b;
    }
    .review p{
      position:relative;
      margin:12px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }

    .form-wrap{
      border-radius:26px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.74);
      box-shadow: 0 18px 60px rgba(15,23,42,.08);
      overflow:hidden;
    }
    .form-head{
      padding:16px;
      background: linear-gradient(135deg, rgba(45,212,191,.14), rgba(79,70,229,.14), rgba(249,115,22,.12));
      border-bottom:1px solid rgba(15,23,42,.08);
      display:flex; align-items:flex-end; justify-content:space-between; gap:12px; flex-wrap:wrap;
    }
    .form-head h2{margin:0; font-size:18px}
    .form-head p{margin:8px 0 0; color:var(--muted); font-size:13px; line-height:1.6}
    form{padding:16px}
    .fields{
      display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap:12px;
    }
    .field{display:flex; flex-direction:column; gap:8px}
    .field label{font-size:12px; color:rgba(15,23,42,.85); font-weight:1000}
    input[type="text"], input[type="tel"], select, textarea{
      width:100%;
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.88);
      color:var(--text);
      font-size:14px;
      transition: border-color .2s ease, box-shadow .2s ease, transform .15s ease;
    }
    textarea{min-height:120px; resize: vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(79,70,229,.35);
      box-shadow: 0 0 0 4px var(--focus);
    }
    .form-foot{
      margin-top:12px;
      display:flex; gap:12px; flex-wrap:wrap; align-items:center; justify-content:space-between;
    }
    .agree{
      font-size:12px; color:var(--muted2); line-height:1.5;
      display:flex; gap:10px; align-items:flex-start; flex:1;
    }
    .agree input[type="checkbox"]{
      width:18px; height:18px; margin-top:2px;
    }
    .form-submit{
      display:flex; gap:10px; align-items:center;
    }
    .hint{
      font-size:12px;
      color:var(--muted2);
      margin-top:6px;
    }

    footer{
      margin-top:18px;
      border-top:1px solid rgba(15,23,42,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.65), rgba(255,255,255,.92));
      color: rgba(15,23,42,.92);
    }
    .foot-inner{padding:18px 0 20px}
    .foot-grid{
      display:grid; grid-template-columns: 1.2fr .8fr; gap:14px; align-items:start;
    }
    .foot-left p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .foot-links{
      display:flex; flex-wrap:wrap; gap:10px;
      justify-content:flex-end;
      align-items:flex-start;
    }
    .foot-links a{
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.70);
      border-radius:999px;
      padding:9px 12px;
      font-size:12px;
      font-weight:1000;
      color: rgba(15,23,42,.90);
      transition: transform .15s ease, border-color .2s ease, box-shadow .15s ease;
      white-space:nowrap;
    }
    .foot-links a:hover{
      transform: translateY(-2px);
      border-color: rgba(79,70,229,.22);
      box-shadow: 0 16px 36px rgba(15,23,42,.10);
    }
    .copy{
      padding-top:14px;
      border-top:1px solid rgba(15,23,42,.08);
      margin-top:16px;
      display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap; align-items:center;
      color: var(--muted2);
      font-size:12px;
    }
    .copy a{color: var(--link); font-weight:1000}
    .float-btn{
      position:fixed;
      right:16px; bottom:16px;
      z-index:60;
      display:flex; flex-direction:column; gap:10px;
      align-items:flex-end;
    }
    .fab{
      width:48px; height:48px;
      border-radius:18px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.84);
      backdrop-filter: blur(10px);
      box-shadow: 0 18px 50px rgba(15,23,42,.14);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .15s ease, box-shadow .15s ease, border-color .2s ease;
      position:relative;
      overflow:hidden;
    }
    .fab:hover{
      transform: translateY(-2px);
      border-color: rgba(79,70,229,.22);
      box-shadow: 0 26px 70px rgba(15,23,42,.18);
    }
    .fab svg{width:20px; height:20px; color: rgba(29,78,216,.95)}
    .tip{
      position:absolute;
      right:58px;
      top:50%;
      transform: translateY(-50%);
      background: rgba(15,23,42,.92);
      color:#fff;
      font-size:12px;
      padding:9px 11px;
      border-radius:14px;
      box-shadow: 0 20px 60px rgba(15,23,42,.25);
      opacity:0; pointer-events:none;
      transition: opacity .18s ease, transform .18s ease;
      white-space:nowrap;
    }
    .fab:hover .tip{opacity:1; transform: translateY(-50%) translateX(-2px)}

    .modal{
      position:fixed;
      inset:0;
      background: rgba(2,6,23,.42);
      z-index:70;
      display:none;
      align-items:center;
      justify-content:center;
      padding:16px;
    }
    .modal[aria-hidden="false"]{display:flex}
    .modal-panel{
      width:min(520px, 100%);
      border-radius:26px;
      background: rgba(255,255,255,.96);
      border:1px solid rgba(255,255,255,.35);
      box-shadow: 0 40px 120px rgba(2,6,23,.35);
      overflow:hidden;
    }
    .modal-head{
      padding:14px 16px;
      border-bottom:1px solid rgba(15,23,42,.08);
      display:flex; justify-content:space-between; gap:12px; align-items:center;
      background: linear-gradient(135deg, rgba(45,212,191,.14), rgba(79,70,229,.14), rgba(249,115,22,.10));
    }
    .modal-head strong{font-size:14px}
    .close{
      width:42px; height:42px;
      border-radius:16px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.78);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
    }
    .close svg{width:18px; height:18px; color: rgba(15,23,42,.75)}
    .modal-body{padding:16px}
    .qrcode-wrap{
      border-radius:22px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.78);
      padding:14px;
      display:grid; gap:12px;
      grid-template-columns: 1fr;
      align-items:center; justify-items:center;
    }
    .qrcode-wrap img{
      width:min(260px, 78vw);
      height:auto;
      display:block;
      border-radius:18px;
      border:1px solid rgba(15,23,42,.10);
      background:#fff;
    }
    .modal-body p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
      text-align:center;
    }

    .inview{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .55s ease, transform .55s ease;
    }
    .inview.is-visible{
      opacity:1;
      transform: translateY(0);
    }

    .anchor{scroll-margin-top: 86px}
    .sr-only{
      position:absolute;
      width:1px; height:1px;
      padding:0; margin:-1px;
      overflow:hidden; clip:rect(0,0,0,0);
      white-space:nowrap; border:0;
    }

    .tag-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:12px;
    }
    .tag-cloud .chip{
      background: rgba(15,23,42,.04);
      border-color: rgba(15,23,42,.10);
      font-weight:1000;
    }

    .network-grid{
      display:grid; grid-template-columns: 1fr 1fr; gap:14px;
    }
    .net-map{
      border-radius:22px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.72);
      overflow:hidden;
      position:relative;
      min-height: 280px;
    }
    .map-bg{
      position:absolute; inset:-40px;
      background:
        radial-gradient(circle at 20% 25%, rgba(45,212,191,.18), transparent 35%),
        radial-gradient(circle at 75% 35%, rgba(79,70,229,.18), transparent 35%),
        radial-gradient(circle at 50% 70%, rgba(249,115,22,.14), transparent 40%),
        repeating-linear-gradient(135deg, rgba(15,23,42,.05) 0, rgba(15,23,42,.05) 8px, transparent 8px, transparent 18px);
      opacity:.7;
      filter:saturate(1.1);
      pointer-events:none;
    }
    .net-nodes{
      position:relative;
      padding:16px;
      display:grid;
      gap:10px;
      align-content:start;
    }
    .node{
      display:flex; align-items:flex-start; gap:12px;
      padding:12px;
      border-radius:18px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.76);
      max-width: 420px;
    }
    .node i{
      width:38px; height:38px;
      border-radius:16px;
      background: rgba(45,212,191,.10);
      border:1px solid rgba(45,212,191,.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .node i svg{width:18px; height:18px; color: rgba(20,184,166,.95)}
    .node strong{display:block; font-size:13px}
    .node span{display:block; margin-top:6px; color:var(--muted2); font-size:12px; line-height:1.45}

    .labels-row{
      display:flex; gap:10px; flex-wrap:wrap; margin-top:10px;
    }
    .labels-row .meta-chip{
      background: rgba(79,70,229,.08);
      border-color: rgba(79,70,229,.16);
    }

    .price-grid{
      display:grid; grid-template-columns: 1.05fr .95fr; gap:14px;
      align-items:start;
    }
    .price-table{
      overflow:auto;
      border-radius:22px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.72);
    }
    .price-table table{
      width:100%;
      border-collapse:collapse;
      min-width: 560px;
    }
    .price-table th, .price-table td{
      padding:12px 12px;
      border-bottom:1px solid rgba(15,23,42,.08);
      font-size:13px;
      color: rgba(15,23,42,.9);
      vertical-align:top;
      line-height:1.55;
    }
    .price-table th{
      background: rgba(255,255,255,.6);
      font-weight:1000;
    }
    .price-note{
      padding:14px;
      border-radius:22px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.72);
      box-shadow: 0 16px 40px rgba(15,23,42,.05);
    }
    .price-note h3{margin:0; font-size:15px}
    .price-note p{margin:10px 0 0; color:var(--muted); font-size:13px; line-height:1.7}
    .price-list{margin:12px 0 0; padding:0; list-style:none; display:grid; gap:10px}
    .price-list li{
      display:flex; gap:12px; align-items:flex-start;
      font-size:13px; color: rgba(15,23,42,.9);
      line-height:1.55;
    }
    .price-list li b{
      display:inline-flex;
      width:26px; height:26px;
      align-items:center; justify-content:center;
      border-radius:11px;
      background: rgba(79,70,229,.10);
      border:1px solid rgba(79,70,229,.18);
      flex:0 0 auto;
      font-size:12px;
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .hero h1{font-size:30px}
      .hero-mini{grid-template-columns: 1fr; }
      .hero-bands{grid-template-columns: 1fr}
      .grid-3{grid-template-columns: 1fr}
      .grid-4{grid-template-columns: repeat(2, minmax(0,1fr))}
      .service-grid{grid-template-columns: 1fr}
      .category-grid{grid-template-columns: 1fr}
      .case-grid{grid-template-columns: 1fr}
      .review-grid{grid-template-columns: 1fr}
      .network-grid{grid-template-columns: 1fr}
      .price-grid{grid-template-columns: 1fr}
      .cards-2{grid-template-columns: 1fr}
    }

    @media (max-width: 760px){
      .nav-links{display:none}
      .nav-cta{display:none}
      .menu-btn{display:flex}
      .mobile-panel{display:block}
      .fields{grid-template-columns: 1fr}
      .faq-item .faq-a{padding-left: 54px}
      .compare-top{align-items:flex-start}
      .foot-grid{grid-template-columns: 1fr}
      .foot-links{justify-content:flex-start}
      .case{min-height: auto}
      .scene-grid{grid-template-columns: 1fr}
      .grid-4{grid-template-columns: 1fr}
    }

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