:root{
      --bg0:#fbfaf7;
      --bg1:#f5f7ff;
      --card:#ffffff;
      --text:#1e2430;
      --muted:#5b6577;
      --line:rgba(20,30,45,.12);
      --shadow: 0 18px 50px rgba(16,24,40,.10);
      --shadow2: 0 10px 28px rgba(16,24,40,.10);
      --brand:#2b66ff;
      --brand2:#7a3cff;
      --brand3:#00c2ff;
      --brand4:#00d07a;
      --danger:#e5484d;
      --radius:18px;
      --radius2:26px;
      --focus: rgba(43,102,255,.18);
      --max: 1140px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(1100px 420px at 16% -10%, rgba(43,102,255,.15), transparent 60%),
        radial-gradient(900px 360px at 82% 0%, rgba(122,60,255,.14), transparent 55%),
        radial-gradient(700px 340px at 72% 35%, rgba(0,194,255,.12), transparent 55%),
        linear-gradient(180deg, var(--bg0) 0%, #ffffff 35%, #fbfbff 100%);
    }
    a{color:inherit}
    img{display:block}
    .container{
      width:100%;
      max-width:var(--max);
      margin:0 auto;
      padding:0 20px;
    }
    .topbar{
      position:sticky;
      top:0;
      z-index:50;
      background: rgba(251,250,247,.72);
      backdrop-filter: blur(10px);
      border-bottom:1px solid rgba(20,30,45,.08);
    }
    .topbar-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width: 220px;
    }
    .ai-page-logo{
      width:44px;
      height:44px;
      border-radius:12px;
      background: rgba(255,255,255,.8);
      box-shadow: 0 10px 30px rgba(43,102,255,.18);
      object-fit:cover;
    }
    .brand-text{display:flex; flex-direction:column; line-height:1.15}
    .brand-text strong{font-size:14px; letter-spacing:.2px}
    .brand-text span{font-size:12px; color:var(--muted)}
    nav.desktop-nav{
      display:flex;
      align-items:center;
      gap:14px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-link{
      text-decoration:none;
      font-size:13px;
      color: rgba(30,36,48,.86);
      padding:10px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
      white-space:nowrap;
    }
    .nav-link:hover{
      background: rgba(43,102,255,.06);
      border-color: rgba(43,102,255,.14);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex;
      gap:10px;
      align-items:center;
      justify-content:flex-end;
      margin-left:8px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:12px 14px;
      border-radius:14px;
      border:1px solid rgba(20,30,45,.14);
      background: #fff;
      color: var(--text);
      text-decoration:none;
      font-weight:650;
      font-size:13px;
      box-shadow: 0 12px 30px rgba(16,24,40,.08);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
      cursor:pointer;
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 18px 42px rgba(16,24,40,.12);
      border-color: rgba(43,102,255,.22);
    }
    .btn-primary{
      border:1px solid rgba(43,102,255,.28);
      background:
        linear-gradient(135deg, rgba(43,102,255,.14), rgba(122,60,255,.12)) ,
        linear-gradient(180deg, #ffffff, #ffffff);
      position:relative;
      overflow:hidden;
    }
    .btn-primary::before{
      content:"";
      position:absolute; inset:-2px;
      background: conic-gradient(from 180deg, rgba(43,102,255,.0), rgba(43,102,255,.34), rgba(122,60,255,.28), rgba(0,194,255,.30), rgba(0,208,122,.22), rgba(43,102,255,.0));
      opacity:.55;
      filter: blur(10px);
      transform: translateX(-18%);
      transition: transform .45s ease, opacity .45s ease;
    }
    .btn-primary:hover::before{transform: translateX(8%); opacity:.8}
    .btn-primary span{position:relative; z-index:1}
    .btn-ghost{
      background: rgba(255,255,255,.66);
      border-color: rgba(20,30,45,.12);
      box-shadow:none;
    }
    .btn-small{
      padding:10px 12px;
      border-radius:12px;
      font-size:12.5px;
      font-weight:650;
    }

    .mobile-nav-btn{
      display:none;
      border:1px solid rgba(20,30,45,.14);
      background: rgba(255,255,255,.7);
      border-radius:14px;
      padding:10px 12px;
      cursor:pointer;
    }
    .burger{
      width:18px; height:12px; position:relative;
    }
    .burger::before, .burger::after, .burger span{
      content:""; position:absolute; left:0; right:0;
      height:2px; border-radius:4px; background: rgba(30,36,48,.82);
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .burger::before{top:0}
    .burger span{top:5px}
    .burger::after{top:10px}
    .mobile-drawer{
      display:none;
      padding:10px 0 16px;
    }
    .mobile-drawer.open{display:block}
    .mobile-drawer .grid-links{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .chip-link{
      text-decoration:none;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(20,30,45,.10);
      background: rgba(255,255,255,.65);
      font-size:13px;
      color: rgba(30,36,48,.90);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .chip-link:hover{
      transform: translateY(-1px);
      border-color: rgba(43,102,255,.22);
      background: rgba(43,102,255,.06);
    }

    header.hero{
      padding:34px 0 18px;
    }
    .hero-shell{
      position:relative;
      border-radius: var(--radius2);
      border:1px solid rgba(20,30,45,.10);
      background:
        radial-gradient(600px 260px at 18% 30%, rgba(43,102,255,.18), transparent 60%),
        radial-gradient(580px 280px at 72% 18%, rgba(122,60,255,.18), transparent 60%),
        radial-gradient(520px 260px at 80% 58%, rgba(0,194,255,.14), transparent 62%),
        linear-gradient(180deg, rgba(255,255,255,.92) 0%, rgba(255,255,255,.72) 100%);
      box-shadow: var(--shadow);
      overflow:hidden;
    }
    .hero-shell::after{
      content:"";
      position:absolute; inset:-40px -40px auto -40px;
      height:220px;
      background: linear-gradient(90deg, rgba(43,102,255,.0), rgba(43,102,255,.35), rgba(122,60,255,.30), rgba(0,194,255,.28), rgba(0,208,122,.18), rgba(43,102,255,.0));
      filter: blur(24px);
      opacity:.55;
      transform: rotate(-7deg) translateX(-10%);
      pointer-events:none;
    }
    .hero-inner{
      display:grid;
      grid-template-columns: 1.25fr .75fr;
      gap:18px;
      padding:26px 20px 20px;
      position:relative;
      z-index:1;
    }
    .kicker{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(20,30,45,.12);
      background: rgba(255,255,255,.70);
      color: rgba(30,36,48,.88);
      font-size:12.5px;
      width: fit-content;
    }
    .spark{
      width:10px; height:10px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, #ffffff, rgba(255,255,255,.2) 35%, rgba(255,255,255,0) 60%),
        conic-gradient(from 180deg, rgba(43,102,255,1), rgba(122,60,255,1), rgba(0,194,255,1), rgba(0,208,122,1), rgba(43,102,255,1));
      box-shadow: 0 0 0 6px rgba(43,102,255,.09);
    }
    h1{
      margin:14px 0 10px;
      font-size: clamp(22px, 3.2vw, 38px);
      letter-spacing:-.6px;
      line-height:1.12;
    }
    .hero-sub{
      margin:0;
      color: rgba(30,36,48,.78);
      font-size:15px;
      line-height:1.75;
      max-width: 62ch;
    }
    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:16px;
      align-items:center;
    }
    .hero-bullets{
      margin-top:14px;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .bullet{
      border-radius:16px;
      border:1px solid rgba(20,30,45,.10);
      background: rgba(255,255,255,.72);
      padding:12px 12px;
      display:flex;
      gap:10px;
      align-items:flex-start;
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }
    .bullet:hover{
      transform: translateY(-2px);
      border-color: rgba(43,102,255,.22);
      background: rgba(43,102,255,.05);
    }
    .ico{
      width:34px; height:34px;
      border-radius:12px;
      background:
        linear-gradient(135deg, rgba(43,102,255,.18), rgba(122,60,255,.14)),
        rgba(255,255,255,.7);
      border:1px solid rgba(43,102,255,.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      box-shadow: 0 14px 34px rgba(43,102,255,.12);
    }
    .ico svg{width:18px; height:18px; color: rgba(31,66,255,.95)}
    .bullet strong{display:block; font-size:13.5px}
    .bullet span{display:block; font-size:12.5px; color: var(--muted); line-height:1.4; margin-top:3px}

    .hero-aside{
      border-radius: var(--radius);
      border:1px solid rgba(20,30,45,.10);
      background: rgba(255,255,255,.72);
      padding:14px;
      display:flex;
      flex-direction:column;
      gap:12px;
      align-self:stretch;
    }
    .aside-title{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      padding-bottom:8px;
      border-bottom:1px solid rgba(20,30,45,.10);
    }
    .aside-title strong{font-size:13.5px}
    .status{
      display:inline-flex; align-items:center; gap:8px;
      font-size:12.5px; color: rgba(30,36,48,.78);
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(43,102,255,.20);
      background: rgba(43,102,255,.06);
      white-space:nowrap;
    }
    .dot{
      width:9px; height:9px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, #fff, rgba(255,255,255,.1) 45%, rgba(255,255,255,0) 70%),
        linear-gradient(180deg, rgba(0,208,122,1), rgba(0,194,255,1));
      box-shadow: 0 0 0 6px rgba(0,208,122,.10);
    }
    .mini-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .metric{
      border-radius:16px;
      border:1px solid rgba(20,30,45,.10);
      background: rgba(255,255,255,.78);
      padding:12px 10px;
      transition: transform .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
    }
    .metric::after{
      content:"";
      position:absolute; inset:-40px auto auto -40px;
      width:120px; height:120px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(43,102,255,.28), transparent 65%);
      opacity:.9;
      pointer-events:none;
    }
    .metric:hover{transform: translateY(-2px); border-color: rgba(43,102,255,.22)}
    .metric strong{
      display:block;
      font-size:18px;
      letter-spacing:-.4px;
    }
    .metric span{
      display:block;
      margin-top:6px;
      font-size:12.5px;
      color: var(--muted);
      line-height:1.35;
    }

    .hero-aside .callout{
      border-radius:16px;
      border:1px solid rgba(20,30,45,.10);
      background: linear-gradient(135deg, rgba(43,102,255,.10), rgba(122,60,255,.08));
      padding:12px;
      display:flex;
      gap:10px;
      align-items:flex-start;
    }
    .callout .tag{
      flex:0 0 auto;
      font-size:12px;
      font-weight:750;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(43,102,255,.24);
      background: rgba(255,255,255,.75);
      white-space:nowrap;
    }
    .callout p{margin:0; font-size:12.8px; color: rgba(30,36,48,.76); line-height:1.55}

    main{padding: 8px 0 26px}
    section{padding: 26px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:14px;
      margin-bottom:14px;
    }
    .section-head h2{
      margin:0;
      font-size:20px;
      letter-spacing:-.3px;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.6;
      max-width: 56ch;
    }

    .fade-in{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .fade-in.in{
      opacity:1;
      transform: translateY(0);
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .grid-2{
      display:grid;
      grid-template-columns: repeat(2, 1fr);
      gap:14px;
    }
    .card{
      border-radius: var(--radius);
      border:1px solid rgba(20,30,45,.10);
      background: rgba(255,255,255,.76);
      box-shadow: 0 18px 50px rgba(16,24,40,.06);
      padding:14px;
      position:relative;
      overflow:hidden;
    }
    .card:hover .card-title::after{transform: translateX(0); opacity:1}
    .card-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:10px;
    }
    .card-title h3{
      margin:0;
      font-size:14.5px;
      letter-spacing:-.2px;
    }
    .card-title::after{
      content:"";
      width:10px; height:10px; border-radius:50%;
      background: conic-gradient(from 90deg, rgba(43,102,255,1), rgba(122,60,255,1), rgba(0,194,255,1), rgba(0,208,122,1), rgba(43,102,255,1));
      opacity:.65;
      box-shadow: 0 0 0 7px rgba(43,102,255,.08);
      transform: translateX(-6px);
      transition: transform .25s ease, opacity .25s ease;
    }
    .card p{margin:0; color: rgba(30,36,48,.76); line-height:1.7; font-size:13.2px}
    .list{
      margin:10px 0 0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .li{
      display:flex; gap:10px; align-items:flex-start;
      color: rgba(30,36,48,.84);
      font-size:13px;
      line-height:1.45;
    }
    .li .check{
      width:18px; height:18px; border-radius:6px;
      border:1px solid rgba(43,102,255,.22);
      background: rgba(43,102,255,.08);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .li svg{width:12px; height:12px; color: rgba(31,66,255,.95)}
    .pill-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:12px;
    }
    .pill{
      font-size:12px;
      color: rgba(30,36,48,.78);
      border:1px solid rgba(20,30,45,.10);
      background: rgba(255,255,255,.75);
      padding:8px 10px;
      border-radius:999px;
      white-space:nowrap;
    }

    .compare-wrap{
      border-radius: var(--radius2);
      border:1px solid rgba(20,30,45,.10);
      background:
        radial-gradient(600px 320px at 20% 20%, rgba(43,102,255,.12), transparent 60%),
        radial-gradient(520px 320px at 80% 0%, rgba(122,60,255,.12), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.70));
      overflow:hidden;
      box-shadow: var(--shadow2);
    }
    .compare-head{
      padding:16px 16px 10px;
      display:flex; align-items:center; justify-content:space-between; gap:14px;
      border-bottom:1px solid rgba(20,30,45,.10);
    }
    .rank-badge{
      display:flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius:18px;
      border:1px solid rgba(0,208,122,.22);
      background: rgba(0,208,122,.08);
    }
    .rank-stars{
      display:flex; gap:3px;
      color: #12b981;
    }
    .rank-badge strong{font-size:14px}
    .rank-badge span{display:block; color: rgba(30,36,48,.74); font-size:12.5px; margin-top:3px}
    .score{
      text-align:right;
    }
    .score strong{font-size:26px; letter-spacing:-.6px}
    .score div{color: var(--muted); font-size:13px; margin-top:2px}
    .compare-table{
      width:100%;
      border-collapse: collapse;
      font-size:13px;
      table-layout: fixed;
    }
    .compare-table th, .compare-table td{
      padding:12px 12px;
      border-bottom:1px solid rgba(20,30,45,.08);
      vertical-align:top;
    }
    .compare-table th{
      color: rgba(30,36,48,.86);
      font-weight:800;
      background: rgba(255,255,255,.55);
      position:sticky;
      top:0;
      z-index:1;
    }
    .tag-score{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(20,30,45,.10);
      background: rgba(255,255,255,.78);
      margin-top:6px;
    }
    .tag-score .stars{
      display:flex; gap:3px;
      color:#f4b400;
    }
    .tag-score b{font-size:14px}
    .tag-score em{font-style:normal; color:var(--muted); font-size:12.5px}

    .hscroll{
      overflow:auto;
      -webkit-overflow-scrolling: touch;
      border-radius: var(--radius2);
    }
    .hscroll::-webkit-scrollbar{height:10px}
    .hscroll::-webkit-scrollbar-thumb{background: rgba(20,30,45,.15); border-radius:999px}

    .steps{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:12px;
    }
    .step{
      border-radius: var(--radius);
      border:1px solid rgba(20,30,45,.10);
      background: rgba(255,255,255,.76);
      padding:14px;
      position:relative;
      overflow:hidden;
    }
    .step::before{
      content:"";
      position:absolute; inset:-60px auto auto -60px;
      width:140px; height:140px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(0,194,255,.20), transparent 60%);
      pointer-events:none;
      opacity:.85;
    }
    .step .num{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(43,102,255,.20);
      background: rgba(43,102,255,.08);
      display:flex; align-items:center; justify-content:center;
      font-weight:850;
      letter-spacing:-.2px;
    }
    .step h3{
      margin:10px 0 8px;
      font-size:14px;
      letter-spacing:-.2px;
    }
    .step p{margin:0; color: rgba(30,36,48,.76); font-size:13px; line-height:1.65}

    .tabs{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:10px;
    }
    .tab{
      border:1px solid rgba(20,30,45,.12);
      background: rgba(255,255,255,.76);
      padding:10px 12px;
      border-radius:999px;
      cursor:pointer;
      font-size:13px;
      color: rgba(30,36,48,.86);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      user-select:none;
    }
    .tab:hover{transform: translateY(-1px); border-color: rgba(43,102,255,.22)}
    .tab.active{
      border-color: rgba(43,102,255,.30);
      background: rgba(43,102,255,.08);
      box-shadow: 0 16px 40px rgba(43,102,255,.10);
    }
    .tab-panels{
      margin-top:14px;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
    }
    .panel{
      border-radius: var(--radius);
      border:1px solid rgba(20,30,45,.10);
      background: rgba(255,255,255,.76);
      padding:14px;
      display:none;
    }
    .panel.active{display:block}
    .panel h3{margin:0 0 8px; font-size:14.5px}
    .panel p{margin:0; color: rgba(30,36,48,.76); font-size:13.2px; line-height:1.7}
    .panel .mini-list{margin:12px 0 0; padding:0; list-style:none; display:flex; flex-direction:column; gap:8px}
    .panel .mini-list li{
      display:flex; align-items:flex-start; gap:10px;
      color: rgba(30,36,48,.86);
      font-size:13px;
      line-height:1.45;
    }

    .timeline{
      border-radius: var(--radius2);
      border:1px solid rgba(20,30,45,.10);
      background: rgba(255,255,255,.70);
      padding:14px;
      overflow:hidden;
    }
    .timeline-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .timecard{
      border-radius: var(--radius);
      border:1px solid rgba(20,30,45,.10);
      background: rgba(255,255,255,.78);
      padding:14px;
      position:relative;
      overflow:hidden;
    }
    .timecard::after{
      content:"";
      position:absolute; right:-50px; top:-50px;
      width:120px; height:120px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(122,60,255,.18), transparent 60%);
      pointer-events:none;
      opacity:.9;
    }
    .timecard h3{margin:0 0 8px; font-size:14.5px}
    .timecard ul{margin:0; padding:0; list-style:none; display:flex; flex-direction:column; gap:8px}
    .timecard li{color: rgba(30,36,48,.82); font-size:13px; line-height:1.5; display:flex; gap:10px; align-items:flex-start}
    .badge-dot{
      width:12px; height:12px; border-radius:50%;
      background: conic-gradient(from 180deg, rgba(43,102,255,1), rgba(122,60,255,1), rgba(0,194,255,1), rgba(0,208,122,1), rgba(43,102,255,1));
      box-shadow: 0 0 0 6px rgba(122,60,255,.10);
      flex:0 0 auto;
      margin-top:4px;
    }

    .grid-media{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .media-gallery{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .media{
      border-radius: var(--radius);
      border:1px solid rgba(20,30,45,.10);
      background: rgba(255,255,255,.76);
      padding:12px;
    }
    .media figure{margin:0}
    .media .img-wrap{
      border-radius:14px;
      overflow:hidden;
      border:1px solid rgba(20,30,45,.10);
      background: rgba(245,247,255,.7);
      aspect-ratio: 16 / 10;
      display:flex;
      align-items:center;
      justify-content:center;
    }
    .media img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter: saturate(1.04) contrast(1.02);
      transform: translateZ(0);
    }
    .media figcaption{
      margin-top:10px;
      font-size:13px;
      color: rgba(30,36,48,.80);
      line-height:1.5;
    }

    .form-card{
      border-radius: var(--radius2);
      border:1px solid rgba(20,30,45,.10);
      background:
        radial-gradient(680px 280px at 20% 0%, rgba(43,102,255,.14), transparent 55%),
        radial-gradient(560px 240px at 90% 10%, rgba(122,60,255,.12), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.70));
      box-shadow: var(--shadow2);
      padding:16px;
    }
    form .row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    label{
      font-size:12.8px;
      color: rgba(30,36,48,.82);
      display:block;
      margin-bottom:7px;
      font-weight:700;
    }
    input, select, textarea{
      width:100%;
      border-radius:14px;
      border:1px solid rgba(20,30,45,.14);
      padding:12px 12px;
      background: rgba(255,255,255,.85);
      color: var(--text);
      outline:none;
      transition: box-shadow .18s ease, border-color .18s ease, transform .18s ease;
      font-size:14px;
    }
    textarea{min-height:100px; resize:vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(43,102,255,.35);
      box-shadow: 0 0 0 6px var(--focus);
    }
    .form-actions{
      display:flex;
      gap:12px;
      align-items:center;
      justify-content:space-between;
      flex-wrap:wrap;
      margin-top:12px;
    }
    .hint{
      color: var(--muted);
      font-size:12.5px;
      line-height:1.6;
      max-width: 48ch;
    }

    .accordion{
      border-radius: var(--radius2);
      border:1px solid rgba(20,30,45,.10);
      background: rgba(255,255,255,.72);
      overflow:hidden;
    }
    .acc-item{
      border-bottom:1px solid rgba(20,30,45,.08);
    }
    .acc-item:last-child{border-bottom:none}
    .acc-btn{
      width:100%;
      text-align:left;
      padding:14px 14px;
      background: transparent;
      border:none;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      color: rgba(30,36,48,.92);
      font-weight:800;
      font-size:14px;
    }
    .acc-btn:focus{outline:none; box-shadow: inset 0 0 0 3px rgba(43,102,255,.22)}
    .acc-btn .chev{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(20,30,45,.10);
      background: rgba(255,255,255,.75);
      display:flex; align-items:center; justify-content:center;
      transition: transform .2s ease, border-color .2s ease;
      flex:0 0 auto;
    }
    .acc-item.open .acc-btn .chev{transform: rotate(180deg); border-color: rgba(43,102,255,.25)}
    .acc-panel{
      max-height:0;
      overflow:hidden;
      transition: max-height .35s ease;
    }
    .acc-item.open .acc-panel{max-height: 420px}
    .acc-panel .inner{
      padding: 0 14px 14px;
      color: rgba(30,36,48,.78);
      font-size:13.2px;
      line-height:1.75;
    }

    .comments{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .comment{
      border-radius: var(--radius);
      border:1px solid rgba(20,30,45,.10);
      background: rgba(255,255,255,.76);
      padding:14px;
      position:relative;
      overflow:hidden;
    }
    .comment::before{
      content:"";
      position:absolute; inset:-40px auto auto -40px;
      width:120px; height:120px;
      background: radial-gradient(circle at 30% 30%, rgba(0,194,255,.18), transparent 65%);
      pointer-events:none;
      opacity:.9;
    }
    .comment .top{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      position:relative;
      z-index:1;
    }
    .avatar{
      width:40px; height:40px;
      border-radius:16px;
      border:1px solid rgba(20,30,45,.10);
      background:
        linear-gradient(135deg, rgba(43,102,255,.18), rgba(122,60,255,.14)),
        rgba(255,255,255,.78);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      letter-spacing:-.2px;
      color: rgba(30,36,48,.88);
      box-shadow: 0 18px 40px rgba(43,102,255,.12);
      flex:0 0 auto;
    }
    .comment .role{
      font-size:12.8px; color: var(--muted);
      text-align:right; line-height:1.3;
    }
    .comment .role strong{
      display:block;
      color: rgba(30,36,48,.88);
      font-size:13.5px;
      margin-top:2px;
    }
    .comment p{
      margin:12px 0 0;
      color: rgba(30,36,48,.78);
      font-size:13.2px;
      line-height:1.75;
      position:relative;
      z-index:1;
    }

    .articles{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .article{
      border-radius: var(--radius);
      border:1px solid rgba(20,30,45,.10);
      background: rgba(255,255,255,.76);
      padding:14px;
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
    }
    .article:hover{
      transform: translateY(-3px);
      border-color: rgba(43,102,255,.22);
      box-shadow: 0 22px 60px rgba(16,24,40,.10);
    }
    .article .meta{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      color: var(--muted);
      font-size:12.5px;
    }
    .article h3{
      margin:10px 0 8px;
      font-size:14.5px;
      letter-spacing:-.2px;
    }
    .article p{
      margin:0;
      color: rgba(30,36,48,.76);
      font-size:13.1px;
      line-height:1.7;
    }
    .article a{
      text-decoration:none;
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-top:10px;
      color: rgba(31,66,255,.95);
      font-weight:800;
      font-size:13px;
    }

    footer{
      margin-top: 8px;
      background:
        radial-gradient(900px 360px at 15% 0%, rgba(43,102,255,.22), transparent 55%),
        radial-gradient(800px 320px at 80% 0%, rgba(122,60,255,.18), transparent 55%),
        linear-gradient(180deg, #0f172a 0%, #0c1224 100%);
      color: rgba(255,255,255,.92);
      border-top: 1px solid rgba(255,255,255,.10);
    }
    .footer-inner{
      padding:22px 0 16px;
    }
    .footer-top{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:14px;
      align-items:start;
      padding-bottom:14px;
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .footer-top h2{
      margin:0;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .footer-top p{
      margin:10px 0 0;
      color: rgba(255,255,255,.76);
      font-size:13.2px;
      line-height:1.75;
      max-width: 72ch;
    }
    .footer-links{
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-start;
    }
    .footer-links .rowlinks{
      display:flex; flex-wrap:wrap; gap:10px;
      justify-content:flex-start;
    }
    .footer-links a{
      text-decoration:none;
      color: rgba(255,255,255,.86);
      border:1px solid rgba(255,255,255,.16);
      background: rgba(255,255,255,.06);
      padding:10px 12px;
      border-radius:16px;
      font-size:13px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      white-space:nowrap;
    }
    .footer-links a:hover{
      transform: translateY(-2px);
      border-color: rgba(43,102,255,.35);
      background: rgba(43,102,255,.12);
    }
    .footer-mid{
      padding-top:14px;
      display:flex;
      gap:14px;
      align-items:flex-start;
      justify-content:space-between;
      flex-wrap:wrap;
    }
    .foot-left{
      display:flex;
      flex-direction:column;
      gap:8px;
      min-width: 240px;
    }
    .foot-left .contact{
      color: rgba(255,255,255,.80);
      font-size:13px;
      line-height:1.7;
    }
    .foot-right{
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
    }
    .qrcode{
      width:118px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.16);
      background: rgba(255,255,255,.06);
      padding:10px;
      text-align:center;
    }
    .qrcode p{margin:8px 0 0; font-size:12.5px; color: rgba(255,255,255,.78)}
    .qrcode img{
      width:100%;
      height:auto;
      border-radius:14px;
      object-fit:contain;
    }
    .copyright{
      margin-top:12px;
      padding-top:12px;
      border-top:1px solid rgba(255,255,255,.10);
      color: rgba(255,255,255,.64);
      font-size:12.5px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }
    .backtop{
      position:fixed;
      right:16px;
      bottom:92px;
      width:46px; height:46px;
      border-radius:16px;
      border:1px solid rgba(20,30,45,.14);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 50px rgba(16,24,40,.14);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      opacity:0;
      pointer-events:none;
      transform: translateY(8px);
      transition: opacity .2s ease, transform .2s ease;
      z-index:60;
    }
    .backtop.show{
      opacity:1;
      pointer-events:auto;
      transform: translateY(0);
    }
    .backtop svg{width:18px; height:18px; color: rgba(31,66,255,.95)}

    .float-contact{
      position:fixed;
      right:16px;
      bottom:28px;
      z-index:60;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
    }
    .contact-btn{
      display:flex;
      align-items:center;
      gap:10px;
      padding:12px 12px;
      border-radius:18px;
      border:1px solid rgba(20,30,45,.14);
      background: rgba(255,255,255,.84);
      box-shadow: 0 18px 50px rgba(16,24,40,.14);
      cursor:pointer;
      user-select:none;
      transition: transform .18s ease, box-shadow .18s ease;
      text-decoration:none;
      color: rgba(30,36,48,.92);
      max-width: 220px;
    }
    .contact-btn:hover{
      transform: translateY(-2px);
      box-shadow: 0 22px 60px rgba(16,24,40,.18);
    }
    .contact-btn .bubble{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(43,102,255,.24);
      background:
        radial-gradient(circle at 30% 30%, rgba(255,255,255,.85), rgba(255,255,255,.2) 45%, rgba(255,255,255,0) 70%),
        linear-gradient(135deg, rgba(43,102,255,.18), rgba(122,60,255,.14));
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .contact-btn .bubble svg{width:18px; height:18px; color: rgba(31,66,255,.95)}
    .contact-btn .ct{
      display:flex; flex-direction:column; line-height:1.15;
      min-width: 0;
    }
    .contact-btn .ct strong{font-size:13.2px}
    .contact-btn .ct span{font-size:12.2px; color: var(--muted); margin-top:4px}

    .tagcloud{
      display:flex; flex-wrap:wrap; gap:10px;
      padding:14px;
      border-radius: var(--radius2);
      border:1px solid rgba(20,30,45,.10);
      background: rgba(255,255,255,.70);
    }
    .tagcloud .t{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(20,30,45,.10);
      background: rgba(255,255,255,.76);
      font-size:13px;
      color: rgba(30,36,48,.84);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      cursor:pointer;
      user-select:none;
    }
    .tagcloud .t:hover{
      transform: translateY(-2px);
      border-color: rgba(43,102,255,.22);
      background: rgba(43,102,255,.06);
    }
    .selected-tags{
      margin-top:14px;
      display:flex; flex-wrap:wrap; gap:10px;
    }

    .case-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .case{
      border-radius: var(--radius);
      border:1px solid rgba(20,30,45,.10);
      background: rgba(255,255,255,.76);
      padding:14px;
      transition: transform .18s ease, border-color .18s ease;
    }
    .case:hover{transform: translateY(-3px); border-color: rgba(43,102,255,.22)}
    .case .top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .case .label{
      font-size:12px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(20,30,45,.10);
      background: rgba(255,255,255,.78);
      color: rgba(30,36,48,.80);
      white-space:nowrap;
    }
    .case h3{
      margin:12px 0 8px;
      font-size:14.5px;
      letter-spacing:-.2px;
    }
    .case p{margin:0; color: rgba(30,36,48,.76); font-size:13.2px; line-height:1.7}
    .case .mini{
      margin-top:10px;
      display:flex; flex-wrap:wrap; gap:8px;
    }

    @media (max-width: 980px){
      .hero-inner{grid-template-columns: 1fr; }
      .hero-aside{order:2}
      .steps{grid-template-columns: repeat(2, 1fr)}
      .grid-3{grid-template-columns: 1fr}
      .grid-2{grid-template-columns: 1fr}
      .comments{grid-template-columns: 1fr}
      .articles{grid-template-columns: 1fr}
      .case-grid{grid-template-columns: 1fr}
      .tab-panels{grid-template-columns: 1fr}
      .timeline-grid{grid-template-columns: 1fr}
      .grid-media{grid-template-columns: 1fr}
      .media-gallery{grid-template-columns: 1fr}
      form .row{grid-template-columns: 1fr}
      .footer-top{grid-template-columns: 1fr}
      .foot-right{align-items:flex-start}
      nav.desktop-nav{display:none}
      .mobile-nav-btn{display:inline-flex; align-items:center; justify-content:center; gap:10px}
      .mobile-drawer{display:none}
    }