:root{
      --bg0:#fbf7f8;
      --bg1:#ffffff;
      --ink:#1f2430;
      --muted:#5a6476;
      --line:rgba(21,28,45,.12);
      --card:#ffffff;
      --shadow: 0 14px 40px rgba(20, 30, 55, .10);
      --shadow2: 0 10px 24px rgba(20, 30, 55, .10);
      --brand:#ff3b7a;
      --brand2:#2f6bff;
      --brand3:#ff6a2a;
      --good:#18a957;
      --warn:#ffb020;
      --focus: rgba(47,107,255,.22);
      --radius:18px;
      --radius2:12px;
      --container: 1140px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -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 420px at 15% 0%, rgba(255,59,122,.14), transparent 55%),
        radial-gradient(700px 420px at 90% 10%, rgba(47,107,255,.12), transparent 55%),
        radial-gradient(600px 420px at 50% 85%, rgba(255,106,42,.10), transparent 55%),
        linear-gradient(180deg, var(--bg0), #fff 38%, var(--bg1));
    }

    a{color:inherit}
    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 20px;
    }

    .skip{
      position:absolute; left:-9999px; 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:10px; z-index:1000;
    }

    /* Header */
    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(150%) blur(10px);
      background: rgba(251,247,248,.72);
      border-bottom: 1px solid rgba(21,28,45,.08);
    }
    .topbar{
      display:flex; align-items:center; justify-content:space-between;
      padding:12px 0;
      gap:12px;
    }
    .brand{
      display:flex; align-items:center; gap:10px; min-width: 220px;
    }
    .ai-page-logo{
      width:44px; height:44px; object-fit:contain; border-radius:12px;
      background: linear-gradient(135deg, rgba(255,59,122,.14), rgba(47,107,255,.12));
      border:1px solid rgba(21,28,45,.10);
      padding:6px;
      transition: transform .25s ease;
    }
    .brand:hover .ai-page-logo{ transform: translateY(-1px); }
    .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); margin-top:2px}

    nav{
      display:flex; align-items:center; gap:12px;
    }
    .navlinks{
      display:flex; align-items:center; gap:6px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .navlinks a{
      text-decoration:none;
      font-size:13px;
      padding:9px 10px;
      border-radius:999px;
      color: rgba(31,36,48,.92);
      border:1px solid transparent;
      transition: background .2s ease, border-color .2s ease, transform .2s ease;
      white-space:nowrap;
    }
    .navlinks a:hover{
      background: rgba(255,59,122,.08);
      border-color: rgba(255,59,122,.25);
      transform: translateY(-1px);
    }

    .nav-cta{
      display:flex; align-items:center; gap:10px;
      justify-content:flex-end;
    }

    .btn{
      display:inline-flex; align-items:center; justify-content:center;
      gap:10px;
      padding:12px 14px;
      border-radius:14px;
      border:1px solid rgba(21,28,45,.12);
      background:#fff;
      color:var(--ink);
      text-decoration:none;
      font-weight:650;
      font-size:13px;
      box-shadow: 0 6px 16px rgba(20,30,55,.08);
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      cursor:pointer;
      user-select:none;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 10px 26px rgba(20,30,55,.14);
      border-color: rgba(21,28,45,.18);
      background: #fff;
    }
    .btn:active{ transform: translateY(0px); }

    .btn.primary{
      border-color: rgba(255,59,122,.35);
      background: linear-gradient(135deg, rgba(255,59,122,1), rgba(47,107,255,.95));
      color:#fff;
      box-shadow: 0 14px 34px rgba(255,59,122,.20);
    }
    .btn.primary:hover{
      box-shadow: 0 18px 46px rgba(255,59,122,.28);
      border-color: rgba(255,59,122,.55);
      background: linear-gradient(135deg, rgba(255,59,122,1), rgba(47,107,255,1));
    }

    .btn.ghost{
      background: rgba(255,255,255,.65);
    }

    .icon-dot{
      width:10px; height:10px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, #fff, rgba(255,255,255,.2) 35%, transparent 36%),
        linear-gradient(135deg, var(--brand), var(--brand2));
      box-shadow: 0 10px 20px rgba(255,59,122,.25);
      border:1px solid rgba(255,255,255,.35);
    }

    .hamburger{
      display:none;
      width:44px; height:44px; border-radius:14px;
      border:1px solid rgba(21,28,45,.12);
      background: rgba(255,255,255,.65);
      cursor:pointer;
      transition: transform .18s ease, background .18s ease;
    }
    .hamburger:hover{ transform: translateY(-1px); background:#fff; }
    .hamburger svg{ display:block; margin:0 auto; }

    .mobile-panel{
      display:none;
      padding:10px 0 16px;
    }
    .mobile-panel a{
      display:flex; align-items:center; justify-content:space-between;
      padding:12px 12px;
      border-radius:14px;
      text-decoration:none;
      border:1px solid rgba(21,28,45,.10);
      background: rgba(255,255,255,.70);
      margin-top:10px;
      font-size:14px;
      color:rgba(31,36,48,.96);
    }
    .mobile-panel a:active{ transform: translateY(1px); }
    .mobile-actions{
      display:flex; flex-direction:column; gap:10px;
      margin-top:14px;
    }

    /* Hero */
    .hero{
      padding:28px 0 20px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-left{
      border-radius: calc(var(--radius) + 6px);
      border: 1px solid rgba(21,28,45,.10);
      background:
        linear-gradient(135deg, rgba(255,59,122,.11), rgba(47,107,255,.10)),
        radial-gradient(900px 420px at 10% 0%, rgba(255,106,42,.12), transparent 55%),
        rgba(255,255,255,.72);
      box-shadow: var(--shadow);
      padding:22px;
      position:relative;
      overflow:hidden;
      min-height: 380px;
    }
    .hero-left::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(500px 200px at 20% 20%, rgba(255,59,122,.22), transparent 60%),
        radial-gradient(500px 200px at 75% 10%, rgba(47,107,255,.20), transparent 60%),
        radial-gradient(360px 180px at 60% 90%, rgba(255,106,42,.16), transparent 60%);
      opacity:.8;
      pointer-events:none;
    }
    .hero-left > *{ position:relative; }

    .eyebrow{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
      margin-bottom:12px;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(255,59,122,.28);
      background: rgba(255,59,122,.08);
      color: rgba(31,36,48,.95);
      font-weight:650;
      font-size:12px;
      letter-spacing:.2px;
    }
    .pill.blue{
      border-color: rgba(47,107,255,.28);
      background: rgba(47,107,255,.08);
    }
    .pill.orange{
      border-color: rgba(255,106,42,.28);
      background: rgba(255,106,42,.08);
    }

    h1{
      margin:0;
      font-size:34px;
      letter-spacing:-.6px;
      line-height:1.15;
    }
    .hero-sub{
      margin:10px 0 0;
      color: rgba(31,36,48,.84);
      font-size:15px;
      line-height:1.65;
      max-width: 62ch;
    }
    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap;
      margin-top:16px;
      align-items:center;
    }

    .trust-row{
      display:flex; gap:12px; flex-wrap:wrap;
      margin-top:16px;
    }
    .trust{
      flex: 1 1 160px;
      border:1px solid rgba(21,28,45,.10);
      border-radius: 16px;
      background: rgba(255,255,255,.65);
      padding:12px;
      display:flex; gap:10px; align-items:flex-start;
      min-width: 160px;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .trust:hover{ transform: translateY(-2px); box-shadow: 0 14px 30px rgba(20,30,55,.10); }
    .trust svg{ flex:0 0 auto; margin-top:2px; }
    .trust strong{ display:block; font-size:13px; }
    .trust span{ display:block; color:var(--muted); font-size:12px; margin-top:4px; line-height:1.35; }

    .hero-right{
      border-radius: calc(var(--radius) + 6px);
      border: 1px solid rgba(21,28,45,.10);
      background: rgba(255,255,255,.68);
      box-shadow: var(--shadow2);
      padding:16px;
      position:relative;
      overflow:hidden;
      min-height: 380px;
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .hero-right::after{
      content:"";
      position:absolute; inset:-60px -60px auto auto;
      width:220px; height:220px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(47,107,255,.30), transparent 60%),
        radial-gradient(circle at 70% 70%, rgba(255,59,122,.26), transparent 58%);
      pointer-events:none;
      opacity:.95;
      filter:saturate(120%);
    }
    .hero-right > *{ position:relative; }

    .mini-title{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
    }
    .mini-title h2{
      margin:0;
      font-size:14px;
      letter-spacing:.2px;
    }
    .chip{
      font-size:12px;
      color: rgba(31,36,48,.88);
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(21,28,45,.10);
      background: rgba(255,255,255,.65);
      white-space:nowrap;
    }

    .stat-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .stat{
      border-radius: 16px;
      border:1px solid rgba(21,28,45,.10);
      background: rgba(255,255,255,.72);
      padding:12px;
      transition: transform .2s ease, border-color .2s ease;
    }
    .stat:hover{ transform: translateY(-2px); border-color: rgba(47,107,255,.22); }
    .stat strong{
      display:flex; align-items:baseline; gap:8px;
      font-size:18px;
      letter-spacing:-.2px;
    }
    .stat strong em{
      font-style:normal; font-size:12px; color:var(--muted);
      letter-spacing:.2px;
      margin-left:2px;
    }
    .stat span{
      display:block;
      margin-top:6px;
      color: var(--muted);
      font-size:12px;
      line-height:1.4;
    }

    .token-box{
      margin-top:auto;
      border-radius: 16px;
      border:1px dashed rgba(255,59,122,.35);
      background: linear-gradient(135deg, rgba(255,59,122,.10), rgba(47,107,255,.08));
      padding:12px;
      display:flex; gap:12px; align-items:flex-start;
    }
    .token-box .badge{
      width:40px; height:40px; border-radius:14px;
      background: rgba(255,255,255,.75);
      border:1px solid rgba(21,28,45,.10);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .token-box strong{ font-size:13px; display:block; }
    .token-box span{ display:block; font-size:12px; color:var(--muted); margin-top:4px; line-height:1.45; }

    .section{
      padding: 30px 0;
    }
    .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: 60ch;
    }

    /* Cards */
    .card{
      border-radius: var(--radius);
      border:1px solid rgba(21,28,45,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 12px 32px rgba(20,30,55,.08);
      padding:16px;
    }
    .grid3{
      display:grid; grid-template-columns: repeat(3, 1fr); gap:14px;
    }
    .grid2{
      display:grid; grid-template-columns: repeat(2, 1fr); gap:14px;
    }

    .service-card{
      position:relative;
      overflow:hidden;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      min-height: 168px;
    }
    .service-card:hover{
      transform: translateY(-2px);
      border-color: rgba(255,59,122,.22);
      box-shadow: 0 18px 44px rgba(20,30,55,.12);
    }
    .service-card::before{
      content:"";
      position:absolute; inset:-1px -1px auto auto;
      width:160px; height:160px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(255,59,122,.22), transparent 60%),
        radial-gradient(circle at 70% 70%, rgba(47,107,255,.18), transparent 58%);
      opacity:.9;
      pointer-events:none;
    }
    .service-card > *{ position:relative; }
    .service-head{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .kicon{
      width:44px; height:44px; border-radius:16px;
      background: rgba(255,255,255,.78);
      border:1px solid rgba(21,28,45,.10);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .kicon svg{ display:block; }
    .service-card h3{
      margin:12px 0 6px;
      font-size:15px;
      letter-spacing:-.1px;
    }
    .service-card p{
      margin:0;
      color: var(--muted);
      font-size:13px;
      line-height:1.6;
    }

    /* Process */
    .timeline{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:14px;
    }
    .step{
      border-radius: var(--radius);
      border:1px solid rgba(21,28,45,.10);
      background: rgba(255,255,255,.72);
      padding:16px;
      position:relative;
      overflow:hidden;
      min-height: 178px;
      transition: transform .2s ease;
    }
    .step:hover{ transform: translateY(-2px); }
    .step .num{
      width:38px; height:38px; border-radius:14px;
      background: linear-gradient(135deg, rgba(255,59,122,.14), rgba(47,107,255,.12));
      border:1px solid rgba(21,28,45,.10);
      display:flex; align-items:center; justify-content:center;
      font-weight:800;
      font-size:13px;
    }
    .step h3{ margin:10px 0 8px; font-size:15px; }
    .step p{ margin:0; color:var(--muted); font-size:13px; line-height:1.6; }
    .step .tag{
      display:inline-flex; align-items:center; gap:8px;
      margin-top:12px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(21,28,45,.10);
      background: rgba(255,255,255,.72);
      font-size:12px;
      color: rgba(31,36,48,.92);
    }

    /* Compare */
    .compare-wrap{
      overflow:hidden;
    }
    .compare-card{
      border-radius: var(--radius);
      border:1px solid rgba(21,28,45,.10);
      background: rgba(255,255,255,.72);
      padding:16px;
      box-shadow: 0 12px 32px rgba(20,30,55,.08);
    }
    .compare-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px; flex-wrap:wrap;
      margin-bottom:12px;
    }
    .grade{
      display:flex; align-items:center; gap:14px;
      padding:12px;
      border-radius: 16px;
      border:1px solid rgba(255,59,122,.25);
      background: linear-gradient(135deg, rgba(255,59,122,.10), rgba(47,107,255,.08));
    }
    .stars{
      display:flex; align-items:center; gap:4px;
    }
    .star{
      width:18px; height:18px;
      fill: rgba(255,176,32,.95);
      stroke: rgba(140,90,10,.15);
      stroke-width:1;
    }
    .grade strong{
      font-size:28px; letter-spacing:-.6px;
      line-height:1;
      margin-left:2px;
    }
    .grade span{
      display:block; color:var(--muted); font-size:12px; margin-top:4px;
    }

    .compare-table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:auto;
      display:block;
      max-width:100%;
    }
    .compare-table table{
      width:100%;
      min-width: 820px;
      border-collapse:separate;
      border-spacing:0;
    }
    .compare-table th, .compare-table td{
      border-bottom:1px solid rgba(21,28,45,.10);
      padding:12px 12px;
      vertical-align:top;
      font-size:13px;
      text-align:left;
      background: transparent;
    }
    .compare-table th{
      position:sticky; top:0;
      background: rgba(255,255,255,.92);
      z-index:2;
      border-bottom:1px solid rgba(21,28,45,.14);
      font-weight:800;
      color: rgba(31,36,48,.96);
    }
    .compare-table td{
      color: rgba(31,36,48,.90);
    }
    .yes{
      display:inline-flex; align-items:center; gap:8px;
      font-weight:700;
      color: rgba(24,169,87,.95);
    }
    .no{
      display:inline-flex; align-items:center; gap:8px;
      font-weight:700;
      color: rgba(110,120,140,.95);
    }
    .mark{
      display:inline-flex; align-items:center; justify-content:center;
      width:22px; height:22px; border-radius:10px;
      border:1px solid rgba(21,28,45,.12);
      background: rgba(255,255,255,.70);
      margin-right:8px;
    }

    .compare-cols th:nth-child(1){ width: 36%; }
    .compare-cols th:nth-child(2){ width: 22%; }
    .compare-cols th:nth-child(3){ width: 22%; }
    .compare-cols th:nth-child(4){ width: 20%; }

    /* Case */
    .case-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:14px;
      align-items:stretch;
    }
    .case-list{
      display:flex; flex-direction:column; gap:12px;
    }
    .case-item{
      display:flex; gap:12px; align-items:flex-start;
      padding:14px;
      border-radius: var(--radius);
      border:1px solid rgba(21,28,45,.10);
      background: rgba(255,255,255,.72);
      transition: transform .2s ease, border-color .2s ease;
    }
    .case-item:hover{ transform: translateY(-2px); border-color: rgba(47,107,255,.22); }
    .case-item .dot{
      width:38px; height:38px; border-radius:16px;
      border:1px solid rgba(21,28,45,.10);
      background: linear-gradient(135deg, rgba(47,107,255,.12), rgba(255,59,122,.10));
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .case-item h3{ margin:0; font-size:14px; }
    .case-item p{ margin:6px 0 0; color:var(--muted); font-size:13px; line-height:1.55; }
    .case-item .meta{
      margin-top:10px;
      display:flex; gap:8px; flex-wrap:wrap;
    }
    .chip2{
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(21,28,45,.10);
      background: rgba(255,255,255,.70);
      color: rgba(31,36,48,.92);
      font-size:12px;
      white-space:nowrap;
    }

    .case-media{
      border-radius: var(--radius);
      border:1px solid rgba(21,28,45,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 12px 32px rgba(20,30,55,.08);
      overflow:hidden;
      display:flex;
      flex-direction:column;
      min-height: 420px;
    }
    .media-top{
      padding:14px 14px 10px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .media-top h3{
      margin:0; font-size:15px;
    }
    .media-top p{
      margin:6px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.55;
      max-width: 38ch;
    }
    .media-frame{
      padding:0 14px 14px;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
      flex:1;
    }
    .imgbox{
      border-radius: 16px;
      border:1px solid rgba(21,28,45,.10);
      background: rgba(255,255,255,.76);
      overflow:hidden;
      padding:10px;
      min-height: 170px;
      display:flex;
      flex-direction:column;
    }
    .imgbox img{
      width:100%;
      height:auto;
      object-fit:contain;
      border-radius: 12px;
      display:block;
    }
    .imgcaption{
      margin-top:10px;
      color:var(--muted);
      font-size:12px;
      line-height:1.4;
    }

    /* Articles & Latest links */
    .article-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .article-list{
      display:flex; flex-direction:column; gap:10px;
    }
    .article-link{
      text-decoration:none;
      border-radius: 16px;
      border:1px solid rgba(21,28,45,.10);
      background: rgba(255,255,255,.72);
      padding:12px 12px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }
    .article-link:hover{
      transform: translateY(-2px);
      border-color: rgba(255,59,122,.22);
      background: rgba(255,255,255,.86);
    }
    .article-link strong{ font-size:14px; }
    .article-link span{ color:var(--muted); font-size:12px; margin-top:4px; display:block; }
    .arrow{
      width:34px; height:34px; border-radius:14px;
      border:1px solid rgba(21,28,45,.10);
      background: rgba(255,255,255,.70);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }

    /* Form */
    .form-card{
      border-radius: var(--radius);
      border:1px solid rgba(21,28,45,.10);
      background: rgba(255,255,255,.72);
      padding:16px;
      box-shadow: 0 12px 32px rgba(20,30,55,.08);
    }
    form .row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .field{
      display:flex; flex-direction:column; gap:8px;
      margin-top:12px;
    }
    .field:first-child{ margin-top:0; }
    label{
      font-size:13px;
      color: rgba(31,36,48,.92);
      font-weight:700;
    }
    input, select, textarea{
      width:100%;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(21,28,45,.12);
      background: rgba(255,255,255,.9);
      color: var(--ink);
      outline:none;
      transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease;
      font-size:14px;
    }
    textarea{ min-height:110px; resize:vertical; }
    input:focus, select:focus, textarea:focus{
      border-color: rgba(47,107,255,.35);
      box-shadow: 0 0 0 4px var(--focus);
    }
    .form-actions{
      margin-top:14px;
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
    }
    .form-note{
      color:var(--muted); font-size:12px; line-height:1.5;
      max-width: 56ch;
    }

    /* FAQ */
    .faq-grid{
      display:grid; grid-template-columns: 1fr 1fr; gap:14px;
    }
    details{
      border-radius: var(--radius);
      border:1px solid rgba(21,28,45,.10);
      background: rgba(255,255,255,.72);
      padding:12px 14px;
      transition: border-color .2s ease, transform .2s ease;
    }
    details[open]{
      border-color: rgba(255,59,122,.24);
      box-shadow: 0 14px 36px rgba(20,30,55,.10);
    }
    details summary{
      cursor:pointer;
      list-style:none;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      font-weight:800;
      font-size:14px;
      padding:6px 0;
    }
    details summary::-webkit-details-marker{ display:none; }
    .sum-icon{
      width:34px; height:34px; border-radius:14px;
      border:1px solid rgba(21,28,45,.10);
      background: rgba(255,255,255,.70);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .2s ease;
    }
    details[open] .sum-icon{ transform: rotate(45deg); }
    details p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.65;
      padding: 6px 0 4px;
    }

    /* Comments */
    .comment-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .comment{
      border-radius: var(--radius);
      border:1px solid rgba(21,28,45,.10);
      background: rgba(255,255,255,.72);
      padding:16px;
      transition: transform .2s ease, border-color .2s ease;
      min-height: 198px;
      position:relative;
      overflow:hidden;
    }
    .comment::before{
      content:"";
      position:absolute; inset:-1px -1px auto auto;
      width:140px; height:140px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(255,59,122,.20), transparent 62%),
        radial-gradient(circle at 70% 70%, rgba(47,107,255,.16), transparent 58%);
      opacity:.85;
      pointer-events:none;
    }
    .comment > *{ position:relative; }
    .comment:hover{ transform: translateY(-2px); border-color: rgba(47,107,255,.22); }
    .comment .who{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      margin-bottom:10px;
    }
    .avatar{
      width:42px; height:42px; border-radius:16px;
      border:1px solid rgba(21,28,45,.10);
      background: linear-gradient(135deg, rgba(255,59,122,.14), rgba(47,107,255,.12));
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
    }
    .who strong{ font-size:14px; display:block; }
    .who span{ display:block; margin-top:4px; color:var(--muted); font-size:12px; line-height:1.35; }
    .comment p{
      margin:0;
      color: rgba(31,36,48,.86);
      font-size:13px;
      line-height:1.75;
    }

    /* Network */
    .network-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:stretch;
    }
    .list{
      display:flex; flex-direction:column; gap:10px;
    }
    .li{
      border-radius: 16px;
      border:1px solid rgba(21,28,45,.10);
      background: rgba(255,255,255,.72);
      padding:12px;
      display:flex; gap:12px; align-items:flex-start;
    }
    .li .b{
      width:38px; height:38px; border-radius:16px;
      border:1px solid rgba(21,28,45,.10);
      background: rgba(255,255,255,.75);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .li strong{ display:block; font-size:14px; }
    .li span{ display:block; color:var(--muted); font-size:12px; margin-top:4px; line-height:1.5; }

    .tagcloud{
      border-radius: var(--radius);
      border:1px solid rgba(21,28,45,.10);
      background: rgba(255,255,255,.72);
      padding:16px;
      box-shadow: 0 12px 32px rgba(20,30,55,.08);
    }
    .tagcloud h3{ margin:0 0 10px; font-size:15px; }
    .cloud{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .cloud a{
      text-decoration:none;
      padding:9px 10px;
      border-radius:999px;
      border:1px solid rgba(21,28,45,.10);
      background: rgba(255,255,255,.75);
      color: rgba(31,36,48,.92);
      font-size:12px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .cloud a:hover{
      transform: translateY(-2px);
      border-color: rgba(255,59,122,.22);
      background: rgba(255,255,255,.92);
    }

    /* Footer */
    footer{
      padding: 26px 0 30px;
      border-top:1px solid rgba(21,28,45,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.70), rgba(251,247,248,.92));
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .footcard{
      border-radius: var(--radius);
      border:1px solid rgba(21,28,45,.10);
      background: rgba(255,255,255,.78);
      padding:16px;
    }
    .footbrand{
      display:flex; align-items:center; gap:12px;
    }
    .footbrand .ai-page-logo{ width:46px; height:46px; }
    .footcard h3{ margin:0; font-size:15px; }
    .footcard p{ margin:8px 0 0; color:var(--muted); font-size:13px; line-height:1.65; }

    .friend{
      margin-top:10px;
    }
    .friend .label{
      font-weight:800;
      font-size:13px;
      margin-bottom:10px;
      color: rgba(31,36,48,.95);
    }
    .friend-links{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .friend-links a{
      font-size:12px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(21,28,45,.10);
      background: rgba(255,255,255,.75);
      text-decoration:none;
      transition: transform .18s ease, border-color .18s ease;
      white-space:nowrap;
    }
    .friend-links a:hover{
      transform: translateY(-2px);
      border-color: rgba(47,107,255,.22);
    }

    .foot-right{
      display:flex; flex-direction:column; gap:12px;
    }
    .kefu{
      display:flex; align-items:center; gap:12px; flex-wrap:wrap;
    }
    .kefu img{
      width:74px; height:auto; border-radius:16px;
      border:1px solid rgba(21,28,45,.10);
      background:#fff;
      display:block;
    }
    .kefu strong{ display:block; font-size:14px; }
    .kefu span{ display:block; margin-top:4px; color:var(--muted); font-size:12px; line-height:1.5; }

    .foot-bottom{
      margin-top:14px;
      color: rgba(90,100,118,.95);
      font-size:12px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }

    /* Floating */
    .floatbar{
      position:fixed;
      right:14px;
      bottom:16px;
      z-index:60;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .float-btn{
      width:48px; height:48px;
      border-radius:18px;
      border:1px solid rgba(21,28,45,.12);
      background: rgba(255,255,255,.78);
      backdrop-filter: blur(10px) saturate(140%);
      box-shadow: 0 14px 34px rgba(20,30,55,.14);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      user-select:none;
    }
    .float-btn:hover{
      transform: translateY(-2px);
      border-color: rgba(255,59,122,.22);
      background: rgba(255,255,255,.95);
      box-shadow: 0 20px 48px rgba(20,30,55,.18);
    }
    .float-btn.primary{
      background: linear-gradient(135deg, rgba(255,59,122,1), rgba(47,107,255,.96));
      border-color: rgba(255,255,255,.25);
    }
    .float-btn.primary svg{ fill:#fff; }

    /* Scroll reveal */
    .reveal{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .55s ease, transform .55s ease;
    }
    .reveal.in{
      opacity:1;
      transform: translateY(0);
    }

    /* Responsive */
    @media (max-width: 980px){
      .hero-grid{ grid-template-columns: 1fr; }
      .hero-left, .hero-right{ min-height:auto; }
      .grid3{ grid-template-columns: 1fr; }
      .grid2{ grid-template-columns: 1fr; }
      .timeline{ grid-template-columns: 1fr 1fr; }
      .comment-grid{ grid-template-columns: 1fr; }
      .case-grid{ grid-template-columns: 1fr; }
      .media-frame{ grid-template-columns: 1fr; }
      .article-grid{ grid-template-columns: 1fr; }
      .faq-grid{ grid-template-columns: 1fr; }
      .network-grid{ grid-template-columns: 1fr; }
      .footer-grid{ grid-template-columns: 1fr; }
      .floatbar{ right:10px; bottom:12px; }
    }
    @media (max-width: 820px){
      .navlinks{ display:none; }
      .nav-cta{ display:none; }
      .hamburger{ display:block; }
      .mobile-panel{ display:block; }
    }

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