:root{
      --bg: #f7f8fb;
      --panel: rgba(255,255,255,.72);
      --card: rgba(255,255,255,.84);
      --text: #171a22;
      --muted: #5a6170;
      --border: rgba(22,26,34,.10);
      --shadow: 0 18px 40px rgba(22,26,34,.10);
      --shadow2: 0 10px 24px rgba(22,26,34,.10);
      --ring: rgba(88, 101, 255, .25);
      --brand1: #5b7cff;
      --brand2: #20c997;
      --brand3: #ff4fd8;
      --brand4: #ffb020;
      --link: #2b55ff;
      --btn: #1b56ff;
      --btn2: #10b981;
      --danger:#ef4444;
      --radius-xl: 26px;
      --radius-lg: 18px;
      --radius-md: 14px;
      --radius-sm: 12px;
      --container: 1120px;
      --gap: 18px;
      --ease: cubic-bezier(.2,.8,.2,1);
    }
    *{ box-sizing:border-box; }
    html{ scroll-behavior:smooth; }
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text);
      background:
        radial-gradient(900px 420px at 20% -10%, rgba(91,124,255,.18), transparent 60%),
        radial-gradient(740px 420px at 78% 0%, rgba(32,201,151,.14), transparent 62%),
        radial-gradient(680px 420px at 60% 35%, rgba(255,79,216,.10), transparent 62%),
        linear-gradient(180deg, #f7f8fb 0%, #fbfbfe 60%, #f7f8fb 100%);
      overflow-x:hidden;
    }
    a{ color: inherit; text-decoration: none; }
    .container{
      width: min(var(--container), calc(100% - 28px));
      margin: 0 auto;
    }

    .skip-link{
      position:absolute;
      left:-999px;
      top:auto;
      width:1px;
      height:1px;
      overflow:hidden;
    }
    .skip-link:focus{
      left: 14px;
      top: 14px;
      width:auto;height:auto;
      padding:10px 12px;
      background:#fff;
      border:1px solid var(--border);
      border-radius:12px;
      z-index:9999;
      box-shadow: var(--shadow2);
    }

    header{
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(10px);
      background: rgba(247,248,251,.72);
      border-bottom: 1px solid rgba(22,26,34,.06);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content: space-between;
      padding: 12px 0;
      gap: 12px;
      flex-wrap: wrap;
    }
    .brand{
      display:flex;
      align-items:center;
      gap: 12px;
      min-width: 220px;
    }
    .brand img{
      width: 40px;
      height: 40px;
      border-radius: 14px;
      background: rgba(255,255,255,.7);
      border: 1px solid rgba(22,26,34,.10);
      box-shadow: 0 10px 22px rgba(20, 61, 255, .10);
    }
    .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;
      white-space: nowrap;
    }

    .nav{
      display:flex;
      align-items:center;
      gap: 12px;
      flex: 1;
      justify-content: flex-end;
    }
    .nav a.nav-link{
      font-size: 13px;
      color: rgba(23,26,34,.85);
      padding: 10px 10px;
      border-radius: 12px;
      transition: background .2s var(--ease), transform .2s var(--ease);
      display:flex;
      align-items:center;
      gap:8px;
      white-space: nowrap;
    }
    .nav a.nav-link:hover{
      background: rgba(91,124,255,.08);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex;
      align-items:center;
      gap: 10px;
      margin-left: 6px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }
    .btn{
      border: 1px solid rgba(22,26,34,.10);
      background: rgba(255,255,255,.65);
      color: var(--text);
      padding: 10px 14px;
      border-radius: 14px;
      font-weight: 650;
      font-size: 13px;
      cursor:pointer;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap: 10px;
      user-select:none;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 14px 30px rgba(22,26,34,.12);
      border-color: rgba(91,124,255,.28);
      background: rgba(255,255,255,.82);
    }
    .btn-primary{
      background: linear-gradient(135deg, rgba(27,86,255,.96) 0%, rgba(91,124,255,.92) 40%, rgba(255,79,216,.70) 120%);
      border-color: rgba(27,86,255,.25);
      color: #fff;
      box-shadow: 0 18px 34px rgba(27,86,255,.18);
    }
    .btn-primary:hover{
      box-shadow: 0 22px 48px rgba(27,86,255,.22);
      border-color: rgba(255,79,216,.35);
    }
    .btn-ghost{
      background: rgba(255,255,255,.55);
    }
    .icon-dot{
      width: 10px; height: 10px; border-radius: 50%;
      background: radial-gradient(circle at 30% 30%, #fff, rgba(255,255,255,.0) 45%), linear-gradient(180deg, var(--brand2), var(--brand1));
      box-shadow: 0 0 0 6px rgba(32,201,151,.12);
    }

    .menu-btn{
      display:none;
      align-items:center;
      justify-content:center;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      border: 1px solid rgba(22,26,34,.10);
      background: rgba(255,255,255,.65);
      cursor:pointer;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease);
    }
    .menu-btn:hover{ transform: translateY(-1px); box-shadow: var(--shadow2); }
    .menu-btn svg{ width: 20px; height: 20px; opacity:.85; }

    .mobile-panel{
      display:none;
      width: 100%;
      padding: 10px 0 16px;
    }
    .mobile-panel .grid-links{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    .mobile-panel a{
      padding: 12px 12px;
      border-radius: 14px;
      border: 1px solid rgba(22,26,34,.08);
      background: rgba(255,255,255,.65);
      font-size: 13px;
      color: rgba(23,26,34,.9);
      transition: transform .18s var(--ease), background .18s var(--ease);
      display:flex; align-items:center; gap:10px;
    }
    .mobile-panel a:hover{ transform: translateY(-1px); background: rgba(255,255,255,.85); }
    .mobile-actions{
      display:flex;
      gap: 10px;
      margin-top: 12px;
      flex-wrap: wrap;
    }
    .mobile-actions .btn{ flex:1; min-width: 150px; }

    main{ padding-bottom: 28px; }

    .hero{
      position: relative;
      padding: 34px 0 18px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 18px;
      align-items: stretch;
    }
    .hero-left{
      border: 1px solid rgba(22,26,34,.08);
      background:
        radial-gradient(900px 380px at 18% 10%, rgba(91,124,255,.18), transparent 60%),
        radial-gradient(620px 320px at 70% 0%, rgba(32,201,151,.14), transparent 62%),
        linear-gradient(180deg, rgba(255,255,255,.74), rgba(255,255,255,.54));
      border-radius: var(--radius-xl);
      padding: 22px 20px;
      box-shadow: 0 20px 48px rgba(22,26,34,.10);
      overflow:hidden;
      position: relative;
    }
    .hero-left:before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(280px 180px at 10% 20%, rgba(255,79,216,.20), transparent 70%),
        radial-gradient(360px 220px at 90% 5%, rgba(32,201,151,.18), transparent 72%),
        radial-gradient(340px 220px at 60% 85%, rgba(91,124,255,.16), transparent 74%);
      pointer-events:none;
      filter: blur(4px);
      opacity:.9;
    }
    .hero-left > *{ position: relative; z-index: 1; }
    .eyebrow{
      display:flex;
      align-items:center;
      gap: 10px;
      color: rgba(23,26,34,.88);
      font-size: 13px;
      font-weight: 650;
    }
    .eyebrow .badge{
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid rgba(27,86,255,.20);
      background: rgba(255,255,255,.60);
      display:inline-flex;
      align-items:center;
      gap: 8px;
      box-shadow: 0 12px 24px rgba(27,86,255,.10);
      white-space: nowrap;
    }
    .badge i{
      width: 9px; height: 9px; border-radius: 50%;
      background: linear-gradient(180deg, var(--brand3), var(--brand1));
      box-shadow: 0 0 0 6px rgba(255,79,216,.10);
      display:inline-block;
    }
    h1{
      margin: 14px 0 10px;
      font-size: clamp(24px, 3.2vw, 40px);
      letter-spacing: -0.6px;
      line-height: 1.15;
    }
    .hero-sub{
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
      max-width: 58ch;
      margin: 0 0 16px;
    }
    .hero-actions{
      display:flex;
      gap: 12px;
      flex-wrap: wrap;
      align-items:center;
      margin-bottom: 14px;
    }
    .hero-actions .btn{
      padding: 12px 16px;
      border-radius: 16px;
    }
    .hero-meta{
      display:flex;
      gap: 14px;
      flex-wrap: wrap;
      margin-top: 8px;
    }
    .meta-pill{
      flex: 0 0 auto;
      display:flex;
      align-items:center;
      gap: 10px;
      padding: 10px 12px;
      border-radius: 16px;
      background: rgba(255,255,255,.60);
      border: 1px solid rgba(22,26,34,.08);
    }
    .meta-pill svg{ width: 18px; height: 18px; opacity:.85; }
    .meta-pill strong{ font-size: 13px; }
    .meta-pill span{ font-size: 12px; color: var(--muted); margin-left: 2px; }

    .hero-right{
      border-radius: var(--radius-xl);
      border: 1px solid rgba(22,26,34,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.76), rgba(255,255,255,.52));
      box-shadow: 0 20px 48px rgba(22,26,34,.08);
      padding: 18px;
      display:flex;
      flex-direction: column;
      gap: 14px;
      overflow:hidden;
      position: relative;
    }
    .hero-right:after{
      content:"";
      position:absolute;
      inset:-1px;
      background:
        radial-gradient(240px 200px at 90% 15%, rgba(91,124,255,.22), transparent 70%),
        radial-gradient(220px 180px at 10% 80%, rgba(32,201,151,.16), transparent 68%);
      pointer-events:none;
      opacity:.75;
    }
    .hero-right > *{ position:relative; z-index:1; }

    .mini-title{
      display:flex;
      align-items:center;
      justify-content: space-between;
      gap: 10px;
    }
    .mini-title h2{
      margin:0;
      font-size: 14px;
      letter-spacing:.2px;
    }
    .mini-title .chip{
      font-size: 12px;
      color: rgba(23,26,34,.86);
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid rgba(22,26,34,.10);
      background: rgba(255,255,255,.55);
      white-space: nowrap;
    }

    .metric-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .metric{
      border: 1px solid rgba(22,26,34,.08);
      background: rgba(255,255,255,.62);
      border-radius: 18px;
      padding: 14px 14px;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
      min-height: 88px;
      display:flex;
      flex-direction: column;
      gap: 6px;
      justify-content: center;
    }
    .metric:hover{
      transform: translateY(-2px);
      box-shadow: 0 20px 40px rgba(22,26,34,.10);
      border-color: rgba(91,124,255,.25);
    }
    .metric .k{
      display:flex;
      align-items:center;
      gap: 10px;
    }
    .metric .spark{
      width: 30px;
      height: 30px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(91,124,255,.22), rgba(255,79,216,.14));
      border: 1px solid rgba(91,124,255,.25);
      display:flex;
      align-items:center;
      justify-content:center;
      box-shadow: 0 14px 26px rgba(91,124,255,.12);
    }
    .metric .spark svg{ width: 16px; height: 16px; opacity:.9; }
    .metric strong{
      font-size: 16px;
      letter-spacing: -.2px;
    }
    .metric span{
      font-size: 12px;
      color: var(--muted);
      line-height: 1.4;
    }

    .right-actions{
      display:flex;
      gap: 10px;
      flex-wrap: wrap;
    }
    .right-actions .btn{
      flex:1;
      min-width: 150px;
      border-radius: 16px;
    }

    .section{
      padding: 20px 0;
    }
    .section-head{
      display:flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 14px;
      margin-bottom: 14px;
      flex-wrap: wrap;
    }
    .section-head h2{
      margin:0;
      font-size: 20px;
      letter-spacing: -0.2px;
    }
    .section-head p{
      margin:0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
      max-width: 58ch;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .grid-4{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
    }
    .card{
      border: 1px solid rgba(22,26,34,.08);
      background: rgba(255,255,255,.66);
      border-radius: 18px;
      padding: 16px;
      box-shadow: 0 14px 30px rgba(22,26,34,.06);
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
      position: relative;
      overflow:hidden;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 24px 50px rgba(22,26,34,.10);
      border-color: rgba(91,124,255,.22);
    }
    .card .top{
      display:flex; gap: 12px; align-items:flex-start;
    }
    .card .glyph{
      width: 42px; height: 42px; border-radius: 16px;
      border: 1px solid rgba(22,26,34,.10);
      background:
        radial-gradient(18px 18px at 30% 30%, rgba(255,255,255,.9), rgba(255,255,255,0) 60%),
        linear-gradient(135deg, rgba(91,124,255,.26), rgba(32,201,151,.16), rgba(255,79,216,.14));
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 20px 36px rgba(91,124,255,.12);
      flex: 0 0 auto;
    }
    .card .glyph svg{ width: 20px; height: 20px; opacity:.92; }
    .card h3{
      margin: 0 0 8px;
      font-size: 14px;
      letter-spacing:.1px;
    }
    .card p{
      margin:0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.8;
    }

    .split{
      display:grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 14px;
      align-items: stretch;
    }
    .panel{
      border: 1px solid rgba(22,26,34,.08);
      background: rgba(255,255,255,.64);
      border-radius: var(--radius-xl);
      padding: 18px;
      box-shadow: 0 18px 40px rgba(22,26,34,.08);
    }

    .steps{
      display:grid;
      grid-template-columns: 1fr;
      gap: 12px;
    }
    .step{
      display:flex;
      gap: 12px;
      padding: 14px;
      border-radius: 18px;
      border: 1px solid rgba(22,26,34,.08);
      background: rgba(255,255,255,.60);
      align-items:flex-start;
      transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
    }
    .step:hover{
      transform: translateY(-2px);
      border-color: rgba(91,124,255,.22);
      box-shadow: 0 20px 40px rgba(22,26,34,.10);
    }
    .step .num{
      width: 38px; height: 38px; border-radius: 16px;
      border: 1px solid rgba(27,86,255,.22);
      background: linear-gradient(135deg, rgba(27,86,255,.14), rgba(255,79,216,.10));
      display:flex; align-items:center; justify-content:center;
      font-weight: 850;
      color: rgba(27,86,255,.95);
      flex:0 0 auto;
      box-shadow: 0 16px 28px rgba(27,86,255,.14);
    }
    .step strong{
      display:block;
      margin: 1px 0 6px;
      font-size: 14px;
      letter-spacing:.1px;
    }
    .step span{
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
      display:block;
    }

    .comparison{
      overflow:hidden;
    }
    .table-wrap{
      overflow:auto;
      border-radius: 18px;
      border: 1px solid rgba(22,26,34,.08);
      background: rgba(255,255,255,.60);
      box-shadow: 0 16px 34px rgba(22,26,34,.06);
    }
    table{
      width: 100%;
      border-collapse: collapse;
      min-width: 720px;
    }
    th, td{
      padding: 12px 12px;
      border-bottom: 1px solid rgba(22,26,34,.08);
      font-size: 13px;
      vertical-align: top;
    }
    th{
      position: sticky;
      top: 0;
      background: rgba(247,248,251,.92);
      z-index: 1;
      text-align:left;
      color: rgba(23,26,34,.9);
      font-weight: 800;
      letter-spacing:.2px;
    }
    tr:last-child td{ border-bottom:none; }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid rgba(22,26,34,.10);
      background: rgba(255,255,255,.72);
      color: rgba(23,26,34,.92);
      font-weight: 750;
      font-size: 12px;
      white-space: nowrap;
    }
    .tag.good{
      border-color: rgba(16,185,129,.26);
      background: rgba(16,185,129,.10);
      color: rgba(11,122,89,.98);
    }
    .tag.mid{
      border-color: rgba(255,176,32,.28);
      background: rgba(255,176,32,.10);
      color: rgba(162,104,0,.98);
    }
    .tag.bad{
      border-color: rgba(239,68,68,.22);
      background: rgba(239,68,68,.09);
      color: rgba(168,33,33,.98);
    }

    .rating-card{
      display:grid;
      grid-template-columns: .85fr 1.15fr;
      gap: 12px;
      align-items: stretch;
    }
    .rating-left{
      border-radius: 18px;
      border: 1px solid rgba(22,26,34,.08);
      background:
        radial-gradient(280px 200px at 10% 20%, rgba(255,79,216,.18), transparent 70%),
        radial-gradient(260px 200px at 70% 0%, rgba(91,124,255,.18), transparent 72%),
        linear-gradient(180deg, rgba(255,255,255,.70), rgba(255,255,255,.56));
      padding: 16px;
      display:flex;
      flex-direction: column;
      gap: 10px;
      justify-content:center;
    }
    .stars{
      display:flex;
      align-items:center;
      gap: 6px;
      margin-top: 2px;
    }
    .stars svg{
      width: 18px; height: 18px;
      fill: #ffb020;
      filter: drop-shadow(0 10px 18px rgba(255,176,32,.22));
    }
    .rating-left .score{
      font-size: 42px;
      font-weight: 950;
      letter-spacing: -1.2px;
      line-height: 1;
      margin-top: 2px;
    }
    .rating-left .small{
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }
    .rating-right{
      border-radius: 18px;
      border: 1px solid rgba(22,26,34,.08);
      background: rgba(255,255,255,.62);
      padding: 14px;
      display:flex;
      flex-direction: column;
      gap: 10px;
    }
    .bullets{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    .bullet{
      padding: 12px;
      border-radius: 16px;
      border: 1px solid rgba(22,26,34,.08);
      background: rgba(255,255,255,.70);
      display:flex;
      gap: 10px;
      align-items:flex-start;
    }
    .bullet i{
      width: 12px; height: 12px; border-radius: 4px;
      background: linear-gradient(180deg, rgba(27,86,255,.96), rgba(32,201,151,.88));
      box-shadow: 0 0 0 6px rgba(27,86,255,.10);
      margin-top: 4px;
      flex:0 0 auto;
    }
    .bullet strong{ font-size: 13px; display:block; margin-bottom: 4px; }
    .bullet span{ font-size: 12px; color: var(--muted); line-height: 1.6; display:block; }

    .timeline{
      display:grid;
      gap: 12px;
    }
    .t-item{
      display:grid;
      grid-template-columns: 140px 1fr;
      gap: 12px;
      padding: 14px;
      border-radius: 18px;
      border: 1px solid rgba(22,26,34,.08);
      background: rgba(255,255,255,.62);
      align-items: start;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
    }
    .t-item:hover{
      transform: translateY(-2px);
      box-shadow: 0 20px 40px rgba(22,26,34,.10);
      border-color: rgba(91,124,255,.22);
    }
    .t-item .when{
      font-weight: 900;
      letter-spacing:.2px;
      color: rgba(23,26,34,.92);
      padding: 10px 12px;
      border-radius: 16px;
      background: rgba(91,124,255,.10);
      border: 1px solid rgba(91,124,255,.18);
      width: fit-content;
    }
    .t-item p{
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.8;
    }

    .comments{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .comment{
      padding: 16px;
      border-radius: 18px;
      border: 1px solid rgba(22,26,34,.08);
      background: rgba(255,255,255,.64);
      box-shadow: 0 16px 34px rgba(22,26,34,.06);
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
      position: relative;
      overflow:hidden;
      min-height: 188px;
      display:flex;
      flex-direction: column;
      gap: 10px;
    }
    .comment:before{
      content:"";
      position:absolute;
      width: 140px; height: 90px;
      right: -50px; top: -40px;
      background: radial-gradient(circle at 30% 30%, rgba(91,124,255,.30), transparent 65%);
      transform: rotate(12deg);
      opacity:.65;
      pointer-events:none;
    }
    .comment > *{ position:relative; z-index:1; }
    .comment .who{
      display:flex;
      align-items:center;
      gap: 10px;
    }
    .avatar{
      width: 38px; height: 38px;
      border-radius: 14px;
      border: 1px solid rgba(22,26,34,.10);
      background: linear-gradient(135deg, rgba(91,124,255,.18), rgba(32,201,151,.14), rgba(255,79,216,.12));
      box-shadow: 0 16px 28px rgba(91,124,255,.12);
      display:flex; align-items:center; justify-content:center;
      font-weight: 950;
      color: rgba(23,26,34,.88);
      flex:0 0 auto;
    }
    .who strong{ font-size: 13px; display:block; }
    .who span{ font-size: 12px; color: var(--muted); display:block; margin-top: 2px; }
    .comment p{
      margin:0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.8;
    }
    .comment .foot{
      margin-top:auto;
      display:flex;
      align-items:center;
      justify-content: space-between;
      gap: 10px;
      color: rgba(23,26,34,.86);
      font-size: 12px;
    }
    .pill{
      padding: 7px 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.70);
      border: 1px solid rgba(22,26,34,.08);
      color: rgba(23,26,34,.88);
      white-space: nowrap;
    }

    .case-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .case{
      border-radius: 18px;
      border: 1px solid rgba(22,26,34,.08);
      background: rgba(255,255,255,.62);
      overflow:hidden;
      box-shadow: 0 16px 34px rgba(22,26,34,.06);
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
      display:flex;
      flex-direction: column;
      min-height: 250px;
    }
    .case:hover{
      transform: translateY(-2px);
      box-shadow: 0 24px 50px rgba(22,26,34,.10);
      border-color: rgba(91,124,255,.22);
    }
    .case .cover{
      padding: 14px 14px 12px;
      position: relative;
      overflow:hidden;
    }
    .case .cover:before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(260px 160px at 15% 10%, rgba(91,124,255,.24), transparent 65%),
        radial-gradient(240px 150px at 85% 20%, rgba(32,201,151,.18), transparent 68%),
        radial-gradient(220px 160px at 50% 90%, rgba(255,79,216,.12), transparent 72%);
      opacity: .9;
      pointer-events:none;
      filter: blur(2px);
    }
    .case .cover > *{ position:relative; z-index:1; }
    .case .cover .k{
      display:flex; align-items:center; justify-content: space-between; gap: 10px;
      margin-bottom: 10px;
    }
    .case .cover h3{
      margin:0;
      font-size: 14px;
      letter-spacing:.1px;
    }
    .case .body{
      padding: 0 14px 14px;
      display:flex;
      flex-direction: column;
      gap: 10px;
      flex:1;
    }
    .case .body p{
      margin:0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.8;
      flex: 1;
    }
    .case .meta{
      display:flex;
      gap: 10px;
      flex-wrap: wrap;
      align-items:center;
    }

    .articles{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items: start;
    }
    .list{
      border-radius: 18px;
      border: 1px solid rgba(22,26,34,.08);
      background: rgba(255,255,255,.62);
      box-shadow: 0 16px 34px rgba(22,26,34,.06);
      overflow:hidden;
    }
    .list .row{
      padding: 14px;
      border-bottom: 1px solid rgba(22,26,34,.08);
      display:flex;
      gap: 12px;
      align-items:flex-start;
      transition: background .18s var(--ease);
    }
    .list .row:hover{ background: rgba(91,124,255,.06); }
    .list .row:last-child{ border-bottom:none; }
    .list .dot{
      width: 10px; height: 10px; border-radius: 50%;
      background: linear-gradient(180deg, rgba(255,79,216,.95), rgba(27,86,255,.95));
      box-shadow: 0 0 0 6px rgba(255,79,216,.12);
      margin-top: 6px;
      flex:0 0 auto;
    }
    .list .row strong{
      font-size: 13px;
      display:block;
      margin-bottom: 6px;
    }
    .list .row span{
      color: var(--muted);
      font-size: 12px;
      line-height: 1.6;
      display:block;
    }
    .list .row a{
      margin-left: auto;
      flex: 0 0 auto;
      padding: 9px 12px;
      border-radius: 14px;
      border: 1px solid rgba(22,26,34,.10);
      background: rgba(255,255,255,.66);
      font-size: 12px;
      font-weight: 800;
      color: rgba(23,26,34,.88);
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
      white-space: nowrap;
    }
    .list .row a:hover{
      transform: translateY(-1px);
      box-shadow: 0 16px 34px rgba(22,26,34,.10);
      border-color: rgba(91,124,255,.22);
    }

    .tag-cloud{
      display:flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items:center;
    }
    .cloud-tag{
      padding: 9px 12px;
      border-radius: 999px;
      border: 1px solid rgba(22,26,34,.10);
      background: rgba(255,255,255,.68);
      font-size: 12px;
      color: rgba(23,26,34,.86);
      transition: transform .18s var(--ease), border-color .18s var(--ease);
      cursor:pointer;
      user-select:none;
    }
    .cloud-tag:hover{
      transform: translateY(-2px);
      border-color: rgba(91,124,255,.28);
    }

    .form{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      align-items:start;
    }
    .field{
      display:flex;
      flex-direction: column;
      gap: 8px;
    }
    label{
      font-size: 12px;
      color: rgba(23,26,34,.85);
      font-weight: 750;
    }
    input, select, textarea{
      width: 100%;
      padding: 12px 12px;
      border-radius: 14px;
      border: 1px solid rgba(22,26,34,.10);
      background: rgba(255,255,255,.78);
      color: var(--text);
      font-size: 13px;
      outline:none;
      transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
    }
    textarea{ min-height: 120px; resize: vertical; }
    input:focus, select:focus, textarea:focus{
      border-color: rgba(27,86,255,.38);
      box-shadow: 0 0 0 6px var(--ring);
    }
    .form .full{ grid-column: 1 / -1; }
    .form-actions{
      grid-column: 1 / -1;
      display:flex;
      gap: 12px;
      align-items:center;
      justify-content: space-between;
      flex-wrap: wrap;
      margin-top: 2px;
    }
    .helper{
      color: var(--muted);
      font-size: 12px;
      line-height: 1.6;
      max-width: 58ch;
    }

    details.faq{
      border-radius: 18px;
      border: 1px solid rgba(22,26,34,.08);
      background: rgba(255,255,255,.62);
      box-shadow: 0 14px 30px rgba(22,26,34,.06);
      overflow:hidden;
      transition: border-color .18s var(--ease), box-shadow .18s var(--ease), transform .18s var(--ease);
    }
    details.faq[open]{
      border-color: rgba(91,124,255,.24);
      box-shadow: 0 22px 46px rgba(22,26,34,.10);
    }
    details.faq summary{
      cursor:pointer;
      list-style:none;
      padding: 14px 14px;
      display:flex;
      align-items:center;
      justify-content: space-between;
      gap: 12px;
      user-select:none;
    }
    details.faq summary::-webkit-details-marker{ display:none; }
    .q{
      font-weight: 850;
      letter-spacing:.1px;
      font-size: 13px;
    }
    .chev{
      width: 34px; height: 34px;
      border-radius: 14px;
      border: 1px solid rgba(22,26,34,.10);
      background: rgba(255,255,255,.68);
      display:flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      transition: transform .2s var(--ease);
    }
    details.faq[open] .chev{ transform: rotate(180deg); }
    .a{
      padding: 0 14px 14px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.9;
    }

    .footer{
      margin-top: 18px;
      background: linear-gradient(180deg, rgba(247,248,251,.72), rgba(247,248,251,1));
      border-top: 1px solid rgba(22,26,34,.08);
      padding: 18px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    .footer-card{
      border-radius: 22px;
      border: 1px solid rgba(22,26,34,.08);
      background: rgba(255,255,255,.65);
      padding: 16px;
      box-shadow: 0 16px 34px rgba(22,26,34,.06);
    }
    .footer-title{
      display:flex; align-items:center; justify-content: space-between; gap: 12px; margin-bottom: 10px; flex-wrap: wrap;
    }
    .footer-title strong{ font-size: 14px; letter-spacing:.2px; }
    .footer-title span{ color: var(--muted); font-size: 12px; }
    .kefu{
      display:flex;
      gap: 14px;
      align-items:center;
      flex-wrap: wrap;
    }
    .qr{
      width: 108px; height: 108px;
      border-radius: 22px;
      border: 1px solid rgba(22,26,34,.10);
      background: rgba(255,255,255,.78);
      padding: 10px;
      box-shadow: 0 18px 40px rgba(22,26,34,.10);
      display:flex;
      align-items:center;
      justify-content:center;
    }
    .qr img{ width: 100%; height: auto; display:block; border-radius: 14px; }
    .contact-lines{
      display:flex;
      flex-direction: column;
      gap: 8px;
      min-width: 220px;
    }
    .contact-line{
      display:flex;
      gap: 10px;
      align-items:flex-start;
      color: rgba(23,26,34,.88);
      font-size: 13px;
      line-height: 1.6;
    }
    .contact-line svg{ width: 18px; height: 18px; opacity:.85; flex:0 0 auto; margin-top: 2px; }
    .links-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      margin-top: 10px;
    }
    .slink{
      padding: 10px 12px;
      border-radius: 16px;
      border: 1px solid rgba(22,26,34,.10);
      background: rgba(255,255,255,.70);
      font-size: 12px;
      font-weight: 800;
      color: rgba(23,26,34,.88);
      transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
      display:flex; align-items:center; gap: 10px;
      white-space: nowrap;
    }
    .slink:hover{
      transform: translateY(-2px);
      border-color: rgba(91,124,255,.25);
      box-shadow: 0 20px 40px rgba(22,26,34,.10);
    }
    .foot-bottom{
      margin-top: 14px;
      color: rgba(23,26,34,.72);
      font-size: 12px;
      display:flex;
      align-items:center;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }

    .float-kefu{
      position: fixed;
      right: 14px;
      bottom: 14px;
      z-index: 80;
      display:flex;
      flex-direction: column;
      gap: 10px;
      align-items:flex-end;
    }
    .float-kefu .fab{
      border-radius: 18px;
      border: 1px solid rgba(22,26,34,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 20px 46px rgba(22,26,34,.14);
      padding: 12px 12px;
      display:flex;
      align-items:center;
      gap: 10px;
      cursor:pointer;
      user-select:none;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
      max-width: 240px;
    }
    .float-kefu .fab:hover{
      transform: translateY(-2px);
      border-color: rgba(91,124,255,.25);
      box-shadow: 0 26px 62px rgba(22,26,34,.18);
    }
    .fab .bubble{
      width: 36px; height: 36px;
      border-radius: 16px;
      background: linear-gradient(135deg, rgba(27,86,255,.20), rgba(32,201,151,.16), rgba(255,79,216,.14));
      border: 1px solid rgba(27,86,255,.22);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 16px 30px rgba(27,86,255,.14);
      flex:0 0 auto;
    }
    .fab .bubble svg{ width: 18px; height: 18px; opacity:.9; }
    .fab .txt{
      display:flex; flex-direction: column; gap: 2px; min-width: 120px;
    }
    .fab .txt strong{ font-size: 13px; }
    .fab .txt span{ font-size: 12px; color: var(--muted); white-space: nowrap; overflow:hidden; text-overflow: ellipsis; max-width: 170px; }

    .to-top{
      width: 46px; height: 46px;
      border-radius: 18px;
      border: 1px solid rgba(22,26,34,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 20px 46px rgba(22,26,34,.14);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
    }
    .to-top:hover{
      transform: translateY(-2px);
      border-color: rgba(91,124,255,.25);
      box-shadow: 0 26px 62px rgba(22,26,34,.18);
    }
    .to-top svg{ width: 18px; height: 18px; opacity:.9; }

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

    @media (max-width: 980px){
      .hero-grid{ grid-template-columns: 1fr; }
      .grid-3{ grid-template-columns: 1fr; }
      .grid-4{ grid-template-columns: 1fr 1fr; }
      .split{ grid-template-columns: 1fr; }
      .comments{ grid-template-columns: 1fr; }
      .case-grid{ grid-template-columns: 1fr; }
      .articles{ grid-template-columns: 1fr; }
      .rating-card{ grid-template-columns: 1fr; }
      .bullets{ grid-template-columns: 1fr; }
      .t-item{ grid-template-columns: 1fr; }
      .footer-grid{ grid-template-columns: 1fr; }
    }
    @media (max-width: 860px){
      .nav{ display:none; }
      .menu-btn{ display:flex; }
      .mobile-panel{ display:block; }
      .hero-left{ padding: 18px 14px; }
      .hero-right{ padding: 14px; }
      .metric-grid{ grid-template-columns: 1fr 1fr; }
    }
    @media (prefers-reduced-motion: reduce){
      html{ scroll-behavior:auto; }
      .reveal{ transition:none; }
      .btn, .card, .metric, .step, .t-item, details.faq, .comment, .case, .slink { transition:none !important; }
    }