:root{
      --bg:#fbfbfe;
      --panel:#ffffff;
      --text:#14161c;
      --muted:#5a6272;
      --muted2:#7b8396;
      --border: rgba(20,22,28,.10);
      --shadow: 0 16px 50px rgba(9,12,20,.08);
      --shadow2: 0 10px 28px rgba(9,12,20,.08);
      --radius: 18px;
      --radius2: 14px;

      --primary:#2b59ff;
      --primary2:#6b4cff;
      --accent:#00e5ff;
      --accent2:#37ffb7;
      --warn:#ffb020;

      --grad: linear-gradient(120deg, rgba(43,89,255,.95), rgba(107,76,255,.95) 45%, rgba(0,229,255,.88));
      --grad2: linear-gradient(135deg, rgba(0,229,255,.20), rgba(43,89,255,.10));
      --glow: 0 0 0 1px rgba(0,229,255,.25), 0 0 40px rgba(43,89,255,.18);
      --glow2: 0 0 0 1px rgba(55,255,183,.22), 0 0 35px rgba(55,255,183,.14);
    }

    *{ box-sizing:border-box; }
    html{ scroll-behavior:smooth; }
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans SC", Arial, "Apple Color Emoji","Segoe UI Emoji";
      color:var(--text);
      background:
        radial-gradient(1200px 600px at 20% -10%, rgba(43,89,255,.12), transparent 60%),
        radial-gradient(900px 520px at 90% 0%, rgba(0,229,255,.10), transparent 55%),
        radial-gradient(1000px 700px at 40% 100%, rgba(107,76,255,.10), transparent 55%),
        var(--bg);
      overflow-x:hidden;
    }

    .container{
      width: min(1160px, calc(100% - 32px));
      margin:0 auto;
    }

    .skip-link{
      position:absolute;
      left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip-link:focus{
      left:16px; top:12px; width:auto; height:auto; padding:10px 12px; z-index:9999;
      background:var(--panel); border:1px solid var(--border); border-radius:12px;
      box-shadow:var(--shadow2);
    }

    header{
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(10px);
      background: rgba(251,251,254,.66);
      border-bottom: 1px solid rgba(20,22,28,.08);
    }

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

    .brand{
      display:flex; align-items:center; gap:12px;
      min-width: 220px;
    }
    .ai-page-logo{
      width: 34px; height: 34px; object-fit: contain;
      border-radius: 10px;
      box-shadow: 0 0 0 1px rgba(43,89,255,.16), 0 10px 24px rgba(43,89,255,.10);
      background: rgba(255,255,255,.7);
    }
    .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:3px;
    }

    .nav-actions{
      display:flex; align-items:center; gap:10px;
      justify-content:flex-end;
      min-width: 260px;
    }

    .menu{
      display:flex;
      align-items:center;
      gap: 8px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }

    .menu a{
      text-decoration:none;
      color: var(--text);
      font-size: 13px;
      padding: 9px 10px;
      border-radius: 12px;
      border: 1px solid transparent;
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .menu a:hover{
      transform: translateY(-1px);
      border-color: rgba(43,89,255,.18);
      background: rgba(43,89,255,.06);
    }

    .btn{
      appearance:none; border:1px solid transparent;
      border-radius: 14px;
      padding: 10px 14px;
      font-size: 13px;
      cursor:pointer;
      text-decoration:none;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
      user-select:none;
      background:#fff;
      color:var(--text);
    }
    .btn:active{ transform: translateY(1px); }
    .btn-primary{
      background: var(--grad);
      color:#fff;
      border-color: rgba(255,255,255,.25);
      box-shadow: 0 14px 40px rgba(43,89,255,.20);
    }
    .btn-primary:hover{
      box-shadow: 0 18px 55px rgba(43,89,255,.28);
      transform: translateY(-1px);
    }
    .btn-ghost{
      background: rgba(255,255,255,.70);
      border-color: rgba(20,22,28,.10);
    }
    .btn-ghost:hover{
      border-color: rgba(43,89,255,.20);
      background: rgba(43,89,255,.06);
      transform: translateY(-1px);
    }

    .icon-dot{
      width: 10px; height: 10px; border-radius: 99px;
      background: linear-gradient(135deg, var(--accent), var(--primary));
      box-shadow: 0 0 0 1px rgba(0,229,255,.22), 0 0 20px rgba(0,229,255,.25);
    }

    .mobile-toggle{
      display:none;
      width: 44px; height: 44px;
      border-radius: 14px;
      border: 1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.74);
      cursor:pointer;
      align-items:center;
      justify-content:center;
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
    }
    .mobile-toggle:hover{
      transform: translateY(-1px);
      background: rgba(43,89,255,.06);
      border-color: rgba(43,89,255,.20);
    }
    .burger{
      width:18px; height:12px; position:relative;
    }
    .burger span{
      position:absolute; left:0; right:0;
      height:2px; border-radius: 4px;
      background: rgba(20,22,28,.85);
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .burger span:nth-child(1){ top:0; }
    .burger span:nth-child(2){ top:5px; }
    .burger span:nth-child(3){ top:10px; }

    .mobile-toggle[aria-expanded="true"] .burger span:nth-child(1){ top:5px; transform: rotate(45deg); }
    .mobile-toggle[aria-expanded="true"] .burger span:nth-child(2){ opacity:0; }
    .mobile-toggle[aria-expanded="true"] .burger span:nth-child(3){ top:5px; transform: rotate(-45deg); }

    .mobile-menu{
      display:none;
      padding-bottom: 14px;
    }
    .mobile-menu.open{ display:block; }
    .mobile-menu .mobile-links{
      display:flex; flex-direction:column; gap:8px;
      margin-top: 10px;
    }
    .mobile-menu a{
      text-decoration:none;
      color: var(--text);
      padding: 12px 12px;
      border-radius: 14px;
      border:1px solid rgba(20,22,28,.08);
      background: rgba(255,255,255,.66);
      transition: transform .15s ease, border-color .15s ease;
      font-size: 14px;
    }
    .mobile-menu a:hover{
      transform: translateY(-1px);
      border-color: rgba(43,89,255,.18);
    }

    .hero{
      position:relative;
      padding: 56px 0 26px;
    }

    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 22px;
      align-items: start;
    }

    .hero-card{
      position:relative;
      border-radius: 26px;
      background:
        radial-gradient(900px 350px at 10% 0%, rgba(0,229,255,.14), transparent 55%),
        radial-gradient(700px 320px at 90% 20%, rgba(107,76,255,.14), transparent 58%),
        linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.70));
      border: 1px solid rgba(20,22,28,.10);
      box-shadow: var(--shadow);
      overflow:hidden;
    }

    .hero-card-inner{
      padding: 28px 26px 24px;
      position:relative;
    }

    .glow-lines{
      position:absolute; inset:-2px;
      background:
        linear-gradient(120deg, rgba(0,229,255,.18), transparent 40%),
        linear-gradient(300deg, rgba(107,76,255,.18), transparent 45%),
        radial-gradient(800px 260px at 40% 0%, rgba(43,89,255,.18), transparent 55%);
      filter: blur(0px);
      pointer-events:none;
      opacity:.85;
    }

    .hero-top{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-bottom: 18px;
      position:relative;
      z-index:1;
    }

    .pill{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding: 9px 12px;
      border-radius: 999px;
      border: 1px solid rgba(43,89,255,.22);
      background: rgba(43,89,255,.07);
      color: var(--text);
      font-size: 12.5px;
      white-space:nowrap;
    }
    .pill .spark{
      width: 18px; height: 18px; border-radius: 8px;
      background: linear-gradient(135deg, rgba(0,229,255,.95), rgba(43,89,255,.95));
      box-shadow: 0 10px 25px rgba(43,89,255,.20);
      display:inline-flex; align-items:center; justify-content:center;
      color:#fff;
      font-weight:800;
      font-size:12px;
    }

    .hero-h1{
      position:relative; z-index:1;
      margin: 0;
      font-size: clamp(22px, 3.2vw, 36px);
      line-height: 1.18;
      letter-spacing: -0.4px;
    }

    .hero-lead{
      position:relative; z-index:1;
      margin: 12px 0 18px;
      color: var(--muted);
      font-size: 14.8px;
      line-height: 1.7;
      max-width: 62ch;
    }

    .hero-cta{
      position:relative; z-index:1;
      display:flex; flex-wrap:wrap; gap: 12px;
      align-items:center;
      margin-top: 6px;
    }

    .mini-rows{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 12px;
      margin-top: 18px;
      position:relative;
      z-index:1;
    }

    .mini-stat{
      padding: 14px 14px;
      border-radius: 16px;
      border: 1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.68);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .mini-stat:hover{
      transform: translateY(-2px);
      border-color: rgba(43,89,255,.20);
      box-shadow: 0 18px 44px rgba(43,89,255,.12);
    }
    .mini-stat b{
      font-size: 16px;
      display:block;
      margin-bottom:6px;
    }
    .mini-stat span{
      color: var(--muted);
      font-size: 12.8px;
      line-height: 1.4;
      display:block;
    }

    .side-panel{
      border-radius: 26px;
      border: 1px solid rgba(20,22,28,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.84), rgba(255,255,255,.66));
      box-shadow: var(--shadow2);
      overflow:hidden;
    }

    .side-inner{
      padding: 18px 18px 16px;
      position:relative;
    }
    .side-inner:before{
      content:"";
      position:absolute; inset:-1px -1px auto -1px; height: 120px;
      background: radial-gradient(420px 140px at 20% 0%, rgba(0,229,255,.20), transparent 55%),
                  radial-gradient(420px 140px at 90% 20%, rgba(107,76,255,.18), transparent 55%);
      pointer-events:none;
    }

    .side-title{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      position:relative; z-index:1;
      margin-bottom: 10px;
    }
    .side-title h2{
      margin:0;
      font-size: 14px;
      letter-spacing:.2px;
    }
    .tag{
      font-size: 12px;
      color: var(--text);
      background: rgba(0,229,255,.10);
      border:1px solid rgba(0,229,255,.24);
      padding: 6px 10px;
      border-radius: 999px;
      white-space:nowrap;
    }

    .side-list{
      position:relative; z-index:1;
      display:flex; flex-direction:column;
      gap: 10px;
      margin-top: 10px;
    }
    .side-item{
      display:flex; gap: 10px; align-items:flex-start;
      padding: 12px 12px;
      border-radius: 16px;
      border: 1px solid rgba(20,22,28,.08);
      background: rgba(255,255,255,.65);
      transition: transform .18s ease, border-color .18s ease;
    }
    .side-item:hover{
      transform: translateY(-2px);
      border-color: rgba(43,89,255,.20);
    }
    .badge{
      width: 34px; height:34px;
      border-radius: 14px;
      background: rgba(43,89,255,.10);
      border: 1px solid rgba(43,89,255,.18);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 10px 26px rgba(43,89,255,.12);
      flex: 0 0 auto;
    }
    .badge i{
      width: 14px; height: 14px; border-radius: 6px;
      background: linear-gradient(135deg, var(--accent), var(--primary));
      display:block;
      box-shadow: 0 0 18px rgba(0,229,255,.35);
    }
    .side-item b{
      font-size: 13.5px;
      display:block;
      margin-top:1px;
    }
    .side-item span{
      font-size: 12.8px;
      color: var(--muted);
      line-height:1.45;
      display:block;
      margin-top:4px;
    }

    .section{
      padding: 34px 0;
    }
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap: 16px;
      margin-bottom: 18px;
    }
    .section-head h2{
      margin:0;
      font-size: 22px;
      letter-spacing: -0.2px;
    }
    .section-head p{
      margin:0;
      color: var(--muted);
      font-size: 13.8px;
      line-height: 1.6;
      max-width: 62ch;
    }

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

    .card{
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(20,22,28,.10);
      border-radius: var(--radius);
      padding: 16px 16px;
      box-shadow: 0 10px 26px rgba(9,12,20,.05);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform: translateY(-2px);
      border-color: rgba(43,89,255,.18);
      box-shadow: 0 18px 44px rgba(43,89,255,.10);
    }

    .card .cap{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-bottom: 10px;
    }
    .card .cap b{
      font-size: 14.5px;
      letter-spacing: .1px;
    }
    .chip{
      font-size: 12px;
      padding: 6px 10px;
      border-radius: 999px;
      border: 1px solid rgba(20,22,28,.10);
      color: var(--muted);
      background: rgba(255,255,255,.62);
      white-space:nowrap;
    }

    .card p{
      margin:0;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.7;
    }

    .cards-steps{
      display:grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap: 12px;
    }
    .step{
      padding: 14px 14px;
      border-radius: var(--radius);
      border:1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.70);
      position:relative;
      overflow:hidden;
      transition: transform .18s ease, border-color .18s ease;
    }
    .step:hover{
      transform: translateY(-2px);
      border-color: rgba(0,229,255,.22);
    }
    .step:after{
      content:"";
      position:absolute; left:-20px; top:-20px;
      width: 70px; height: 70px;
      border-radius: 24px;
      background: radial-gradient(circle at 30% 30%, rgba(0,229,255,.22), transparent 60%);
      pointer-events:none;
    }
    .step-num{
      display:flex; align-items:center; justify-content:space-between;
      gap: 10px;
      margin-bottom: 10px;
      position:relative;
      z-index:1;
    }
    .step-num .num{
      width: 38px; height: 38px;
      border-radius: 16px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(43,89,255,.10);
      border: 1px solid rgba(43,89,255,.18);
      box-shadow: 0 12px 26px rgba(43,89,255,.12);
      font-weight: 800;
    }
    .step-num .type{
      color: var(--muted2);
      font-size: 12px;
      padding: 6px 10px;
      border:1px solid rgba(20,22,28,.10);
      border-radius: 999px;
      background: rgba(255,255,255,.65);
      white-space:nowrap;
    }
    .step h3{
      margin: 4px 0 8px;
      font-size: 14.8px;
      position:relative; z-index:1;
    }
    .step p{
      margin:0;
      color: var(--muted);
      font-size: 13.2px;
      line-height: 1.65;
      position:relative; z-index:1;
    }

    .compare-wrap{
      border-radius: 22px;
      overflow:hidden;
      border: 1px solid rgba(20,22,28,.10);
      background:
        radial-gradient(900px 240px at 10% 0%, rgba(0,229,255,.10), transparent 55%),
        radial-gradient(900px 240px at 90% 10%, rgba(107,76,255,.10), transparent 55%),
        rgba(255,255,255,.72);
      box-shadow: var(--shadow2);
    }

    table{
      width:100%;
      border-collapse: collapse;
      background: rgba(255,255,255,.58);
    }
    th, td{
      padding: 14px 12px;
      border-bottom:1px solid rgba(20,22,28,.08);
      text-align:left;
      vertical-align:top;
    }
    th{
      font-size: 13px;
      color: var(--muted);
      font-weight: 700;
      background: rgba(255,255,255,.70);
      position:sticky;
      top: 76px;
      z-index:2;
    }
    td{
      font-size: 13.3px;
      color: var(--text);
      line-height: 1.55;
    }
    .td-muted{
      color: var(--muted);
      font-size: 13.1px;
    }
    .score-card{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      padding: 14px 14px 6px;
    }
    .score{
      border-radius: 18px;
      border:1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.70);
      padding: 14px 14px;
      overflow:hidden;
      position:relative;
    }
    .score:before{
      content:"";
      position:absolute; inset:-2px;
      background: linear-gradient(120deg, rgba(0,229,255,.16), transparent 45%),
                  linear-gradient(300deg, rgba(43,89,255,.14), transparent 55%);
      pointer-events:none;
      opacity:.7;
    }
    .score b{
      position:relative; z-index:1;
      font-size: 14px;
      color: var(--muted);
      display:block;
      margin-bottom: 8px;
    }
    .score .stars{
      position:relative; z-index:1;
      display:flex; align-items:center; gap: 10px;
      margin-top: 10px;
    }
    .starrow{
      display:flex; gap:6px; align-items:center;
    }
    .star{
      width: 16px; height: 16px;
      fill: rgba(255,176,32,.0);
      stroke: rgba(255,176,32,.95);
      stroke-width: 1.6;
      filter: drop-shadow(0 8px 12px rgba(255,176,32,.18));
    }
    .star.on{
      fill: rgba(255,176,32,.95);
      stroke: rgba(255,176,32,.95);
    }
    .score .score-num{
      position:relative; z-index:1;
      font-weight: 900;
      font-size: 34px;
      letter-spacing: -1px;
      margin-top: 2px;
      line-height:1;
    }
    .score .score-sub{
      position:relative; z-index:1;
      color: var(--muted);
      font-size: 13px;
      margin-top: 8px;
      line-height:1.5;
    }

    .tabs{
      display:flex; gap: 10px; flex-wrap:wrap;
      align-items:center;
      justify-content:flex-start;
    }
    .tab-btn{
      border-radius: 999px;
      border:1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.66);
      padding: 8px 12px;
      font-size: 13px;
      cursor:pointer;
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
      color: var(--text);
    }
    .tab-btn:hover{ transform: translateY(-1px); border-color: rgba(43,89,255,.18); }
    .tab-btn[aria-pressed="true"]{
      background: rgba(43,89,255,.10);
      border-color: rgba(43,89,255,.25);
      box-shadow: 0 0 0 3px rgba(43,89,255,.08);
    }

    .timeline{
      display:flex; flex-direction:column; gap: 12px;
    }
    .time-item{
      display:flex; gap: 12px; align-items:flex-start;
      padding: 14px 14px;
      border-radius: var(--radius);
      border:1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.70);
    }
    .time-dot{
      width: 12px; height: 12px; border-radius: 99px;
      background: linear-gradient(135deg, var(--accent), var(--primary));
      margin-top: 6px;
      box-shadow: 0 0 0 4px rgba(0,229,255,.14);
      flex:0 0 auto;
    }
    .time-item b{ font-size: 14.5px; display:block; }
    .time-item span{
      color: var(--muted);
      font-size: 13.2px;
      line-height:1.6;
      display:block;
      margin-top: 6px;
    }

    .faq{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    details.faq-item{
      border-radius: var(--radius);
      border:1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.72);
      padding: 12px 14px;
      box-shadow: 0 10px 26px rgba(9,12,20,.04);
      transition: border-color .18s ease;
    }
    details.faq-item[open]{
      border-color: rgba(0,229,255,.22);
    }
    details.faq-item summary{
      cursor:pointer;
      list-style:none;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 12px;
      user-select:none;
      padding: 2px 0;
      font-size: 14.2px;
      font-weight: 700;
      color: var(--text);
    }
    details.faq-item summary::-webkit-details-marker{ display:none; }
    .faq-icon{
      width: 26px; height: 26px; border-radius: 12px;
      border:1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.68);
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
      margin-top: 1px;
      transition: transform .18s ease, border-color .18s ease;
    }
    details[open] .faq-icon{ transform: rotate(45deg); border-color: rgba(43,89,255,.25); }
    .faq-answer{
      margin-top: 10px;
      color: var(--muted);
      font-size: 13.4px;
      line-height:1.7;
    }

    .review-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 12px;
    }
    .review{
      padding: 16px 16px;
      border-radius: var(--radius);
      border:1px solid rgba(20,22,28,.10);
      background:
        radial-gradient(600px 160px at 10% 0%, rgba(0,229,255,.10), transparent 55%),
        rgba(255,255,255,.72);
      box-shadow: 0 10px 26px rgba(9,12,20,.04);
      transition: transform .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
    }
    .review:hover{
      transform: translateY(-2px);
      border-color: rgba(43,89,255,.18);
    }
    .review-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap: 12px;
      margin-bottom: 10px;
    }
    .avatar{
      width: 38px; height: 38px;
      border-radius: 16px;
      background: rgba(43,89,255,.10);
      border:1px solid rgba(43,89,255,.18);
      display:flex; align-items:center; justify-content:center;
      font-weight: 900;
      color: rgba(43,89,255,.98);
      box-shadow: 0 12px 26px rgba(43,89,255,.12);
      flex:0 0 auto;
    }
    .review-role{
      margin:0;
      font-size: 13px;
      color: var(--muted);
      line-height:1.4;
    }
    .review-name{
      margin:0;
      font-size: 14.5px;
      font-weight: 800;
      line-height:1.2;
    }
    .review p{
      margin: 0;
      color: var(--muted);
      font-size: 13.4px;
      line-height:1.75;
    }

    .list{
      display:flex; flex-direction:column; gap:10px;
    }
    .list-item{
      display:flex; gap: 12px; align-items:flex-start;
      padding: 14px 14px;
      border-radius: var(--radius);
      border:1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.72);
      transition: transform .18s ease, border-color .18s ease;
    }
    .list-item:hover{ transform: translateY(-2px); border-color: rgba(0,229,255,.22); }
    .bullet{
      width: 10px; height:10px; border-radius: 99px;
      margin-top: 6px;
      background: linear-gradient(135deg, var(--accent2), var(--primary));
      box-shadow: 0 0 0 4px rgba(55,255,183,.14);
      flex:0 0 auto;
    }
    .list-item b{ font-size: 14.5px; display:block; }
    .list-item span{ color: var(--muted); font-size: 13.2px; line-height:1.6; display:block; margin-top: 6px; }

    .form-card{
      border-radius: 22px;
      border: 1px solid rgba(20,22,28,.10);
      background:
        radial-gradient(900px 240px at 15% 0%, rgba(107,76,255,.12), transparent 55%),
        radial-gradient(800px 240px at 85% 0%, rgba(0,229,255,.12), transparent 55%),
        rgba(255,255,255,.72);
      box-shadow: var(--shadow2);
      padding: 16px;
    }
    form{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 12px;
      margin-top: 8px;
    }
    .field{
      display:flex; flex-direction:column; gap: 8px;
    }
    .field label{
      font-size: 13px;
      color: var(--muted);
      font-weight: 700;
    }
    input, select, textarea{
      width:100%;
      border:1px solid rgba(20,22,28,.12);
      background: rgba(255,255,255,.76);
      border-radius: 14px;
      padding: 11px 12px;
      font-size: 14px;
      outline:none;
      transition: border-color .15s ease, box-shadow .15s ease;
      color: var(--text);
    }
    textarea{ min-height: 110px; resize: vertical; }
    input:focus, select:focus, textarea:focus{
      border-color: rgba(43,89,255,.35);
      box-shadow: 0 0 0 4px rgba(43,89,255,.10);
    }
    .full{ grid-column: 1 / -1; }
    .form-actions{
      grid-column: 1 / -1;
      display:flex; gap: 12px; align-items:center; justify-content:space-between;
      margin-top: 6px;
      flex-wrap:wrap;
    }
    .form-note{
      color: var(--muted2);
      font-size: 12.8px;
      line-height:1.5;
      max-width: 56ch;
    }

    .article-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 12px;
    }
    .article{
      padding: 14px 14px;
      border-radius: var(--radius);
      border: 1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.72);
      transition: transform .18s ease, border-color .18s ease;
      display:flex; flex-direction:column; gap: 10px;
      min-height: 172px;
    }
    .article:hover{ transform: translateY(-2px); border-color: rgba(43,89,255,.18); }
    .article .meta{
      display:flex; gap: 10px; align-items:center; justify-content:space-between;
      color: var(--muted2);
      font-size: 12.5px;
    }
    .article h3{
      margin:0;
      font-size: 14.8px;
      line-height:1.5;
      letter-spacing: -.1px;
    }
    .article p{
      margin:0;
      color: var(--muted);
      font-size: 13.3px;
      line-height: 1.7;
      flex: 1 1 auto;
    }

    .case-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 12px;
      align-items:stretch;
    }
    .case-feature{
      padding: 16px 16px;
      border-radius: 22px;
      border:1px solid rgba(20,22,28,.10);
      background:
        radial-gradient(1000px 280px at 10% 0%, rgba(0,229,255,.12), transparent 55%),
        radial-gradient(900px 260px at 90% 10%, rgba(107,76,255,.12), transparent 55%),
        rgba(255,255,255,.72);
      box-shadow: var(--shadow2);
      position:relative;
      overflow:hidden;
    }
    .case-feature .top{
      display:flex; align-items:flex-start; justify-content:space-between; gap: 12px;
      margin-bottom: 12px;
    }
    .case-feature h3{
      margin:0;
      font-size: 16px;
      letter-spacing: -.2px;
    }
    .case-feature .sub{
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.7;
      max-width: 70ch;
    }

    .kbd{
      display:inline-flex; align-items:center; gap: 8px;
      padding: 7px 10px;
      border-radius: 999px;
      border:1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.70);
      color: var(--muted);
      font-size: 12.5px;
      white-space:nowrap;
    }
    .kbd i{
      width: 18px; height: 18px;
      border-radius: 8px;
      background: rgba(43,89,255,.12);
      border:1px solid rgba(43,89,255,.18);
      display:inline-block;
    }

    .case-tags{
      display:flex; flex-wrap:wrap; gap: 8px;
      margin-top: 12px;
    }
    .case-tags span{
      padding: 7px 10px;
      border-radius: 999px;
      border:1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.68);
      color: var(--text);
      font-size: 12.6px;
    }

    .case-side{
      padding: 16px 16px;
      border-radius: 22px;
      border:1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 26px rgba(9,12,20,.04);
      display:flex; flex-direction:column; gap: 12px;
    }
    .case-side h3{ margin:0; font-size: 15.3px; }
    .case-side p{
      margin:0;
      color: var(--muted);
      font-size: 13.4px;
      line-height:1.7;
    }

    .network{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .tag-cloud{
      display:flex; flex-wrap:wrap; gap: 10px;
      align-items:flex-start;
    }
    .tag-cloud a{
      text-decoration:none;
      color: var(--text);
      border:1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.72);
      border-radius: 999px;
      padding: 8px 12px;
      font-size: 13px;
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .tag-cloud a:hover{
      transform: translateY(-1px);
      border-color: rgba(0,229,255,.22);
      background: rgba(0,229,255,.06);
    }

    .partner-grid{
      display:grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap: 10px;
      margin-top: 10px;
    }
    .partner{
      border-radius: 18px;
      border:1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.72);
      padding: 12px 12px;
      text-align:center;
      transition: transform .18s ease, border-color .18s ease;
    }
    .partner:hover{ transform: translateY(-2px); border-color: rgba(43,89,255,.18); }
    .partner b{ display:block; font-size: 13.6px; }
    .partner span{ display:block; margin-top: 6px; color: var(--muted); font-size: 12.6px; line-height:1.4; }

    .help-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      align-items:stretch;
    }

    .floating{
      position: fixed;
      right: 16px;
      bottom: 16px;
      z-index: 80;
      display:flex;
      flex-direction:column;
      gap: 10px;
      align-items:flex-end;
      pointer-events:none;
    }
    .float-btn{
      pointer-events:auto;
      display:inline-flex; align-items:center; gap: 10px;
      padding: 12px 12px;
      border-radius: 16px;
      border: 1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 55px rgba(9,12,20,.14);
      cursor:pointer;
      transition: transform .18s ease, border-color .18s ease;
      user-select:none;
    }
    .float-btn:hover{ transform: translateY(-2px); border-color: rgba(43,89,255,.18); }
    .float-btn .mark{
      width: 34px; height: 34px;
      border-radius: 14px;
      background: rgba(43,89,255,.10);
      border:1px solid rgba(43,89,255,.18);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 12px 26px rgba(43,89,255,.12);
      flex:0 0 auto;
    }
    .float-btn .mark svg{ width:18px; height:18px; }
    .float-btn b{ font-size: 13.5px; }
    .float-btn span{ font-size: 12.4px; color: var(--muted); display:block; margin-top: 2px; }

    .qr-pop{
      width: 260px;
      padding: 12px;
      border-radius: 18px;
      background: rgba(255,255,255,.88);
      border: 1px solid rgba(20,22,28,.12);
      box-shadow: 0 22px 70px rgba(9,12,20,.18);
      transform-origin: 90% 100%;
      animation: popIn .2s ease both;
      pointer-events:auto;
    }
    @keyframes popIn{
      from{ opacity:0; transform: scale(.98) translateY(6px); }
      to{ opacity:1; transform: scale(1) translateY(0); }
    }
    .qr-pop .qr-head{
      display:flex; align-items:center; justify-content:space-between; gap: 10px;
      margin-bottom: 10px;
    }
    .qr-pop .qr-head b{ font-size: 14px; }
    .qr-close{
      width: 36px; height: 36px;
      border-radius: 14px;
      border:1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.75);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .15s ease, border-color .15s ease;
    }
    .qr-close:hover{ transform: translateY(-1px); border-color: rgba(43,89,255,.20); }
    .qr-img{
      width:100%;
      border-radius: 14px;
      border:1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.70);
      padding: 8px;
    }
    .qr-img img{
      width:100%;
      height:auto;
      display:block;
      border-radius: 10px;
      object-fit:contain;
    }
    .qr-foot{
      color: var(--muted);
      font-size: 12.7px;
      line-height:1.5;
      margin-top: 8px;
    }

    .backtop{
      position: fixed;
      left: 16px;
      bottom: 16px;
      z-index: 80;
      pointer-events:none;
    }
    .backtop button{
      pointer-events:auto;
      border-radius: 16px;
      width: 48px; height: 48px;
      border:1px solid rgba(20,22,28,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 55px rgba(9,12,20,.14);
      cursor:pointer;
      transition: transform .18s ease, border-color .18s ease, opacity .18s ease;
      opacity: .0;
      transform: translateY(8px);
    }
    .backtop button.show{
      opacity: 1;
      transform: translateY(0);
    }
    .backtop button:hover{
      transform: translateY(-2px);
      border-color: rgba(43,89,255,.18);
    }
    .backtop svg{ width: 18px; height: 18px; }

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

    footer{
      margin-top: 6px;
      border-top: 1px solid rgba(20,22,28,.08);
      background: #0f1420;
      color: rgba(255,255,255,.92);
    }
    .footer-wrap{
      padding: 28px 0;
    }
    .footer-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap: 16px;
      flex-wrap:wrap;
    }
    .footer-brand{
      min-width: 260px;
      display:flex; gap: 12px; align-items:flex-start;
    }
    .footer-brand img{
      width: 40px; height: 40px;
      object-fit:contain;
      border-radius: 14px;
      border:1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.06);
    }
    .footer-brand b{ display:block; font-size: 15px; }
    .footer-brand span{
      display:block; margin-top: 6px;
      color: rgba(255,255,255,.72);
      font-size: 13px;
      line-height:1.6;
      max-width: 52ch;
    }

    .footer-links{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 10px 16px;
      min-width: 360px;
    }
    .footer-links a{
      color: rgba(255,255,255,.84);
      text-decoration:none;
      font-size: 13.3px;
      padding: 8px 10px;
      border-radius: 12px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .footer-links a:hover{
      transform: translateY(-1px);
      border-color: rgba(0,229,255,.28);
      background: rgba(0,229,255,.08);
    }

    .footer-bottom{
      margin-top: 18px;
      padding-top: 16px;
      border-top: 1px solid rgba(255,255,255,.10);
      display:flex; align-items:center; justify-content:space-between; gap: 12px;
      flex-wrap:wrap;
    }
    .footer-bottom .legal{
      color: rgba(255,255,255,.70);
      font-size: 12.8px;
      line-height:1.5;
    }

    .friendship{
      display:flex;
      flex-wrap:wrap;
      gap: 10px;
      justify-content:flex-end;
    }
    .friendship a{
      color: rgba(255,255,255,.86);
      text-decoration:none;
      font-size: 12.8px;
      padding: 8px 10px;
      border-radius: 999px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
      transition: transform .15s ease, border-color .15s ease;
    }
    .friendship a:hover{
      transform: translateY(-1px);
      border-color: rgba(107,76,255,.30);
    }

    .muted-link{
      color: rgba(255,255,255,.84);
      text-decoration:none;
    }

    @media (max-width: 980px){
      .hero-grid{ grid-template-columns: 1fr; }
      .cards-steps{ grid-template-columns: repeat(2, minmax(0,1fr)); }
      .grid-3{ grid-template-columns: 1fr; }
      .grid-2{ grid-template-columns: 1fr; }
      .faq{ grid-template-columns: 1fr; }
      .review-grid{ grid-template-columns: 1fr; }
      .article-grid{ grid-template-columns: 1fr; }
      .case-grid{ grid-template-columns: 1fr; }
      .network{ grid-template-columns: 1fr; }
      .help-grid{ grid-template-columns: 1fr; }
      .partner-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
      .footer-links{ grid-template-columns: 1fr; min-width: auto; }
      th{ top: 120px; }
    }

    @media (max-width: 860px){
      .menu{ display:none; }
      .mobile-toggle{ display:flex; }
      .nav-actions{ min-width: auto; }
      .mobile-menu{ display:none; }
    }
    @media (prefers-reduced-motion: reduce){
      html{ scroll-behavior: auto; }
      .fade-in{ transition:none; transform:none; }
      .card, .step, .mini-stat, .review, .article, .list-item, .btn, .tab-btn, .partner { transition:none; }
    }