:root{
      --bg:#fff7f2;
      --bg2:#ffffff;
      --text:#15161a;
      --muted:#5b5f6a;
      --muted2:#7a7f8c;
      --card:#ffffff;
      --border:rgba(18, 25, 40, .10);
      --shadow: 0 10px 30px rgba(16, 24, 40, .10);
      --shadow2: 0 14px 40px rgba(16, 24, 40, .14);
      --ring: rgba(70, 120, 255, .18);
      --brand1:#ff4d6d;
      --brand2:#7c5cff;
      --brand3:#00bcd4;
      --brand4:#ffb020;
      --ok:#13b981;
      --danger:#ef4444;
      --radius:18px;
      --radius2:26px;
      --container: 1120px;
    }
    *{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, "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC", sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 500px at 15% 0%, rgba(255,77,109,.16), transparent 60%),
        radial-gradient(800px 480px at 85% 5%, rgba(124,92,255,.14), transparent 55%),
        radial-gradient(700px 420px at 60% 28%, rgba(0,188,212,.10), transparent 58%),
        linear-gradient(180deg, var(--bg) 0%, #ffffff 55%, #ffffff 100%);
    }
    a{color:inherit; text-decoration:none}
    .container{max-width:var(--container); margin:0 auto; padding:0 18px}
    .topbar{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(140%) blur(10px);
      background: rgba(255,255,255,.74);
      border-bottom: 1px solid rgba(18,25,40,.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: 210px;
    }
    .brand-badge{
      width:40px; height:40px; border-radius:14px;
      background: linear-gradient(135deg, rgba(255,77,109,.18), rgba(124,92,255,.20));
      border:1px solid rgba(18,25,40,.10);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 10px 25px rgba(124,92,255,.14);
    }
    .brand-badge svg{width:22px; height:22px}
    .brand-text{display:flex; flex-direction:column; line-height:1.1}
    .brand-name{font-weight:900; letter-spacing:.2px}
    .brand-sub{font-size:12px; color:var(--muted); margin-top:4px}
    .nav{
      display:flex; align-items:center; gap:14px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav a{
      font-size:13px; color:rgba(21,22,26,.86);
      padding:8px 10px; border-radius:12px;
      border:1px solid transparent;
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
    }
    .nav a:hover{
      background: rgba(255,255,255,.9);
      border-color: rgba(18,25,40,.10);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex; align-items:center; gap:10px;
    }
    .btn{
      border:1px solid rgba(18,25,40,.12);
      background: rgba(255,255,255,.75);
      color: var(--text);
      padding:10px 14px;
      border-radius: 14px;
      font-weight:700;
      font-size:13px;
      display:inline-flex; align-items:center; gap:10px;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease, background .15s ease;
      box-shadow: 0 10px 20px rgba(16,24,40,.06);
      white-space:nowrap;
    }
    .btn:active{transform: translateY(0)}
    .btn-primary{
      border: none;
      color: white;
      background: linear-gradient(135deg, var(--brand1), var(--brand2) 55%, var(--brand3));
      box-shadow: 0 18px 45px rgba(124,92,255,.25);
      position:relative;
      overflow:hidden;
    }
    .btn-primary::after{
      content:"";
      position:absolute; inset:-40% -60%;
      background: radial-gradient(circle at 30% 40%, rgba(255,255,255,.45), transparent 45%);
      transform: translateX(-30%);
      opacity:.6;
      transition: transform .35s ease, opacity .35s ease;
    }
    .btn-primary:hover::after{transform: translateX(10%); opacity:.85}
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 16px 35px rgba(16,24,40,.12);
      border-color: rgba(18,25,40,.16);
      background: rgba(255,255,255,.92);
    }
    .btn-primary:hover{box-shadow: 0 24px 60px rgba(124,92,255,.30)}
    .btn svg{width:16px; height:16px}
    .menu-toggle{
      display:none;
      border:1px solid rgba(18,25,40,.12);
      background: rgba(255,255,255,.78);
      border-radius:14px;
      padding:10px 12px;
      font-weight:800;
      cursor:pointer;
    }
    .menu-toggle:focus{outline: none; box-shadow: 0 0 0 4px var(--ring)}
    .mobile-panel{
      display:none;
      padding: 0 0 14px 0;
    }
    .mobile-panel.open{display:block}
    .mobile-links{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
      margin-top:10px;
    }
    .mobile-links a{
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.85);
      border-radius:14px;
      padding:12px 12px;
      font-weight:750;
      font-size:13px;
      color:rgba(21,22,26,.88);
    }

    .hero{
      padding: 30px 0 8px;
    }
    .hero-wrap{
      position:relative;
      border-radius: var(--radius2);
      border: 1px solid rgba(18,25,40,.08);
      background:
        radial-gradient(900px 420px at 10% 10%, rgba(255,77,109,.18), transparent 60%),
        radial-gradient(850px 420px at 90% 20%, rgba(124,92,255,.18), transparent 60%),
        radial-gradient(700px 380px at 55% 70%, rgba(0,188,212,.12), transparent 62%),
        linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,.65));
      overflow:hidden;
      box-shadow: 0 18px 55px rgba(124,92,255,.14);
    }
    .hero-inner{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 18px;
      padding: 28px 18px;
      align-items:stretch;
    }
    .hero-left{
      padding: 10px 12px 14px 12px;
    }
    .kicker{
      display:inline-flex; align-items:center; gap:10px;
      padding:8px 12px;
      border-radius: 999px;
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.68);
      color: rgba(21,22,26,.88);
      font-weight:800;
      font-size:12px;
    }
    .kicker-dot{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, var(--brand1), var(--brand2), var(--brand3));
      box-shadow: 0 0 0 4px rgba(124,92,255,.12);
    }
    h1{
      margin: 14px 0 10px;
      font-size: clamp(26px, 3.2vw, 40px);
      line-height:1.12;
      letter-spacing: -0.6px;
    }
    .hero-lead{
      margin: 0 0 16px;
      color: var(--muted);
      font-size: 15px;
      line-height:1.7;
      max-width: 58ch;
    }
    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap;
      align-items:center;
      margin: 18px 0 10px;
    }
    .hero-meta{
      display:flex; gap:14px; flex-wrap:wrap;
      margin-top: 14px;
      color: var(--muted2);
      font-weight:700;
      font-size:12px;
    }
    .meta-item{
      display:flex; gap:9px; align-items:center;
      padding:9px 12px;
      border-radius: 14px;
      border:1px dashed rgba(18,25,40,.12);
      background: rgba(255,255,255,.48);
    }
    .meta-icon{
      width:26px; height:26px; border-radius:10px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(124,92,255,.12);
      border:1px solid rgba(124,92,255,.18);
    }
    .meta-icon svg{width:14px; height:14px; color: rgba(44, 51, 132, .95)}
    .hero-right{
      padding: 12px;
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .glass-card{
      background: rgba(255,255,255,.62);
      border:1px solid rgba(18,25,40,.10);
      border-radius: var(--radius);
      padding: 14px;
      box-shadow: 0 16px 38px rgba(16,24,40,.06);
    }
    .glass-card .card-title{
      display:flex; align-items:center; justify-content:space-between;
      gap:12px;
      margin-bottom: 10px;
    }
    .card-title h2{
      margin:0;
      font-size: 14px;
      letter-spacing:.2px;
      color: rgba(21,22,26,.92);
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius: 999px;
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.7);
      font-size:12px; font-weight:800; color: rgba(21,22,26,.85);
      white-space:nowrap;
    }
    .pill .spark{
      width:9px; height:9px; border-radius:50%;
      background: linear-gradient(135deg, var(--brand4), var(--brand1));
      box-shadow: 0 0 0 4px rgba(255,176,32,.16);
    }
    .data-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .data-item{
      padding: 12px 12px;
      border-radius: 14px;
      border:1px solid rgba(18,25,40,.08);
      background: rgba(255,255,255,.72);
      transition: transform .16s ease, box-shadow .16s ease;
      position:relative;
      overflow:hidden;
    }
    .data-item::after{
      content:"";
      position:absolute; inset:-2px;
      background: radial-gradient(180px 90px at 20% 0%, rgba(255,77,109,.20), transparent 60%),
                  radial-gradient(180px 90px at 80% 20%, rgba(124,92,255,.20), transparent 58%);
      opacity:0;
      transition: opacity .2s ease;
      pointer-events:none;
    }
    .data-item:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 40px rgba(16,24,40,.10);
    }
    .data-item:hover::after{opacity:1}
    .data-value{
      font-weight:950;
      font-size:18px;
      letter-spacing:-.3px;
    }
    .data-label{
      margin-top:6px;
      font-size:12px;
      color: var(--muted2);
      font-weight:750;
      line-height:1.35;
    }
    .timeline{
      display:flex; flex-direction:column; gap:10px;
    }
    .step-row{
      display:flex; align-items:flex-start; gap:10px;
      padding:10px 12px;
      border-radius: 14px;
      background: rgba(255,255,255,.72);
      border:1px solid rgba(18,25,40,.08);
    }
    .step-num{
      width:30px; height:30px; border-radius:12px;
      background: linear-gradient(135deg, rgba(255,77,109,.18), rgba(124,92,255,.18));
      border:1px solid rgba(124,92,255,.18);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color: rgba(35, 38, 65, .95);
      flex:0 0 auto;
    }
    .step-text b{display:block; font-size:13px}
    .step-text span{display:block; margin-top:4px; font-size:12px; color: var(--muted2); line-height:1.45}
    .section{
      padding: 28px 0;
    }
    .section-title{
      display:flex; align-items:flex-end; justify-content:space-between;
      gap:14px;
      margin-bottom: 14px;
    }
    .section-title h2{
      margin:0;
      font-size: clamp(18px, 2.2vw, 26px);
      letter-spacing:-.35px;
    }
    .section-title p{
      margin:0;
      color: var(--muted);
      font-weight:700;
      font-size: 13px;
      line-height:1.6;
      max-width: 62ch;
    }
    .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(18,25,40,.10);
      background: rgba(255,255,255,.75);
      box-shadow: 0 16px 40px rgba(16,24,40,.06);
      padding: 16px;
      position:relative;
      overflow:hidden;
      transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
    }
    .card:hover{
      transform: translateY(-3px);
      box-shadow: 0 20px 55px rgba(16,24,40,.10);
      border-color: rgba(18,25,40,.16);
    }
    .card .badge{
      display:inline-flex; align-items:center; gap:9px;
      padding: 8px 10px;
      border-radius: 999px;
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.85);
      font-weight:850; font-size:12px;
      color: rgba(21,22,26,.88);
    }
    .badge .bicon{
      width:18px; height:18px; border-radius:8px;
      background: linear-gradient(135deg, rgba(255,77,109,.18), rgba(124,92,255,.18));
      border:1px solid rgba(124,92,255,.18);
      display:flex; align-items:center; justify-content:center;
    }
    .badge .bicon svg{width:12px; height:12px}
    .card h3{
      margin: 12px 0 8px;
      font-size: 15px;
      letter-spacing:-.15px;
    }
    .card p{
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height:1.7;
      font-weight:650;
    }
    .list{
      margin: 12px 0 0;
      padding:0;
      list-style:none;
      display:flex; flex-direction:column; gap:10px;
    }
    .li{
      display:flex; gap:10px; align-items:flex-start;
      color: rgba(21,22,26,.9);
      font-weight:750;
      font-size: 13px;
      line-height:1.55;
    }
    .check{
      width:18px; height:18px; border-radius:8px;
      background: rgba(19,185,129,.12);
      border:1px solid rgba(19,185,129,.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:2px;
    }
    .check svg{width:12px; height:12px}
    .compare-wrap{
      border-radius: var(--radius2);
      border:1px solid rgba(18,25,40,.10);
      background:
        radial-gradient(900px 420px at 5% 0%, rgba(255,77,109,.14), transparent 55%),
        radial-gradient(900px 480px at 95% 10%, rgba(124,92,255,.14), transparent 58%),
        linear-gradient(180deg, rgba(255,255,255,.75), rgba(255,255,255,.55));
      box-shadow: 0 18px 60px rgba(124,92,255,.12);
      padding: 16px;
      overflow:hidden;
    }
    table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border-radius: 16px;
      background: rgba(255,255,255,.72);
      border:1px solid rgba(18,25,40,.10);
    }
    th, td{
      padding: 12px 12px;
      border-bottom: 1px solid rgba(18,25,40,.08);
      font-size: 13px;
      vertical-align:top;
    }
    th{
      text-align:left;
      color: rgba(21,22,26,.92);
      font-weight:950;
      background: rgba(255,255,255,.85);
    }
    td{
      color: rgba(21,22,26,.86);
      font-weight:750;
    }
    tr:last-child td{border-bottom:none}
    .score-row{
      display:flex; gap:12px; align-items:center; flex-wrap:wrap;
      margin-bottom: 12px;
    }
    .rating{
      display:flex; align-items:center; gap:10px;
      padding: 12px 14px;
      border-radius: 16px;
      background: rgba(255,255,255,.78);
      border:1px solid rgba(18,25,40,.10);
      box-shadow: 0 16px 40px rgba(16,24,40,.06);
    }
    .stars{
      display:flex; gap:6px; align-items:center;
    }
    .star{
      width:18px; height:18px;
      color: #ffb020;
      filter: drop-shadow(0 6px 10px rgba(255,176,32,.22));
    }
    .rating .score{
      font-size: 22px; font-weight:1000; letter-spacing:-.4px;
    }
    .rating .score-meta{
      display:flex; flex-direction:column; gap:4px;
    }
    .rating .score-meta span{
      color: var(--muted2);
      font-size: 12px;
      font-weight:850;
    }
    .highlight{
      padding: 10px 12px;
      border-radius: 16px;
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.68);
      flex:1;
      min-width: 260px;
    }
    .highlight b{display:block; font-size:13px}
    .highlight ul{
      list-style:none; padding:0; margin:8px 0 0;
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .chip{
      display:inline-flex; align-items:center; gap:8px;
      padding: 8px 10px;
      border-radius: 999px;
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.86);
      font-weight:850; font-size:12px; color: rgba(21,22,26,.88);
    }
    .chip i{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, var(--brand4), var(--brand1));
      box-shadow: 0 0 0 4px rgba(255,176,32,.16);
    }

    .steps{
      display:grid; grid-template-columns: repeat(4, 1fr);
      gap: 12px;
    }
    .step-card{
      padding: 14px;
      border-radius: var(--radius);
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.74);
      box-shadow: 0 14px 40px rgba(16,24,40,.06);
      transition: transform .16s ease, box-shadow .16s ease;
      position:relative;
      overflow:hidden;
    }
    .step-card:hover{transform: translateY(-3px); box-shadow: 0 20px 55px rgba(16,24,40,.10)}
    .step-icon{
      width:44px; height:44px; border-radius:18px;
      background: linear-gradient(135deg, rgba(255,77,109,.20), rgba(124,92,255,.18), rgba(0,188,212,.12));
      border:1px solid rgba(18,25,40,.10);
      display:flex; align-items:center; justify-content:center;
      margin-bottom: 10px;
    }
    .step-icon svg{width:18px; height:18px}
    .step-card b{display:block; font-size:14px; letter-spacing:-.15px}
    .step-card span{display:block; margin-top:6px; color:var(--muted); font-weight:700; font-size:13px; line-height:1.6}
    .tabs{
      display:flex; gap:10px; flex-wrap:wrap;
      margin-bottom: 12px;
    }
    .tab{
      cursor:pointer;
      padding: 10px 12px;
      border-radius: 14px;
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.75);
      font-weight:900;
      font-size:13px;
      color: rgba(21,22,26,.86);
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
      user-select:none;
    }
    .tab:hover{transform: translateY(-1px); background: rgba(255,255,255,.92)}
    .tab.active{
      border-color: rgba(124,92,255,.35);
      background: linear-gradient(135deg, rgba(124,92,255,.16), rgba(0,188,212,.10));
      box-shadow: 0 18px 50px rgba(124,92,255,.14);
    }
    .articles{
      display:grid; grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .article{
      padding: 16px;
      border-radius: var(--radius);
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.76);
      box-shadow: 0 14px 40px rgba(16,24,40,.06);
      transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
      display:flex; flex-direction:column; gap:10px;
    }
    .article:hover{transform: translateY(-3px); border-color: rgba(18,25,40,.16); box-shadow: 0 20px 55px rgba(16,24,40,.10)}
    .article .meta{
      display:flex; gap:8px; flex-wrap:wrap; align-items:center;
      color: var(--muted2); font-weight:850; font-size:12px;
    }
    .tag{
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(124,92,255,.10);
      border:1px solid rgba(124,92,255,.18);
      color: rgba(47, 52, 142, .95);
      font-weight:900; font-size:12px;
    }
    .article h3{
      margin:0;
      font-size: 15px;
      letter-spacing:-.15px;
      line-height:1.35;
    }
    .article p{
      margin:0;
      color: var(--muted);
      font-weight:700;
      font-size:13px;
      line-height:1.7;
    }
    .article a.link{
      margin-top:auto;
      display:inline-flex; align-items:center; gap:10px;
      font-weight:950; font-size:13px;
      color: rgba(21,22,26,.92);
      padding:10px 12px;
      border-radius: 14px;
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.85);
      transition: transform .16s ease, box-shadow .16s ease;
    }
    .article a.link:hover{transform: translateY(-2px); box-shadow: 0 18px 45px rgba(16,24,40,.10)}
    .link svg{width:16px; height:16px}
    .faq{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      align-items:start;
    }
    details{
      border-radius: var(--radius);
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 40px rgba(16,24,40,.05);
      padding: 12px 14px;
      transition: border-color .16s ease, transform .16s ease, box-shadow .16s ease;
    }
    details:hover{transform: translateY(-2px); border-color: rgba(18,25,40,.16); box-shadow: 0 18px 55px rgba(16,24,40,.09)}
    summary{
      cursor:pointer;
      list-style:none;
      font-weight:950;
      color: rgba(21,22,26,.92);
      font-size: 14px;
      letter-spacing:-.1px;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      outline:none;
    }
    summary::-webkit-details-marker{display:none}
    .sum-left{display:flex; align-items:center; gap:10px}
    .qicon{
      width:30px; height:30px; border-radius:14px;
      background: linear-gradient(135deg, rgba(255,77,109,.18), rgba(124,92,255,.16), rgba(0,188,212,.12));
      border:1px solid rgba(18,25,40,.10);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .qicon svg{width:16px; height:16px}
    .chev{
      width:26px; height:26px; border-radius:12px;
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.7);
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s ease;
      flex:0 0 auto;
    }
    details[open] .chev{transform: rotate(180deg)}
    .ans{
      margin-top:10px;
      color: var(--muted);
      font-weight:700;
      font-size:13px;
      line-height:1.8;
      padding-right: 4px;
    }

    .comments{
      display:grid; grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .comment{
      padding: 16px;
      border-radius: var(--radius);
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 40px rgba(16,24,40,.05);
      transition: transform .16s ease, box-shadow .16s ease;
      display:flex; flex-direction:column; gap:10px;
      min-height: 190px;
    }
    .comment:hover{transform: translateY(-3px); box-shadow: 0 20px 55px rgba(16,24,40,.10)}
    .avatar{
      width:44px; height:44px; border-radius:18px;
      background: linear-gradient(135deg, rgba(255,77,109,.18), rgba(124,92,255,.18));
      border:1px solid rgba(18,25,40,.10);
      display:flex; align-items:center; justify-content:center;
      font-weight:1000;
      color: rgba(21,22,26,.88);
    }
    .comment .top{
      display:flex; gap:12px; align-items:center;
    }
    .who b{display:block; font-size:14px}
    .who span{display:block; margin-top:4px; color: var(--muted2); font-weight:850; font-size:12px}
    .comment p{
      margin:0;
      color: var(--muted);
      font-weight:700;
      font-size:13px;
      line-height:1.8;
    }

    .case-grid{
      display:grid; grid-template-columns: repeat(4, 1fr);
      gap: 12px;
    }
    .case{
      border-radius: var(--radius);
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.78);
      padding: 14px;
      box-shadow: 0 14px 40px rgba(16,24,40,.05);
      transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
      display:flex; flex-direction:column; gap:10px;
      min-height: 160px;
    }
    .case:hover{transform: translateY(-3px); border-color: rgba(18,25,40,.16); box-shadow: 0 20px 55px rgba(16,24,40,.10)}
    .case .icon{
      width:40px; height:40px; border-radius:18px;
      border:1px solid rgba(18,25,40,.10);
      background: linear-gradient(135deg, rgba(0,188,212,.14), rgba(124,92,255,.14), rgba(255,176,32,.12));
      display:flex; align-items:center; justify-content:center;
    }
    .case .icon svg{width:18px; height:18px}
    .case b{font-size:14px}
    .case span{color: var(--muted); font-weight:700; font-size:13px; line-height:1.7}

    .form-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    form{
      display:flex; flex-direction:column; gap:12px;
    }
    label{
      display:flex; flex-direction:column; gap:7px;
      font-weight:950;
      font-size:13px;
      color: rgba(21,22,26,.92);
    }
    input, select, textarea{
      width:100%;
      border-radius: 14px;
      border:1px solid rgba(18,25,40,.12);
      padding: 12px 12px;
      background: rgba(255,255,255,.85);
      color: var(--text);
      font-weight:750;
      font-size: 14px;
      outline:none;
      transition: box-shadow .16s ease, border-color .16s ease;
    }
    textarea{min-height:110px; resize: vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(124,92,255,.35);
      box-shadow: 0 0 0 4px rgba(124,92,255,.14);
    }
    .form-actions{
      display:flex; gap:12px; flex-wrap:wrap; align-items:center;
      margin-top: 2px;
    }
    .btn-secondary{
      background: rgba(255,255,255,.75);
      border:1px solid rgba(18,25,40,.12);
      color: rgba(21,22,26,.92);
      box-shadow: 0 14px 40px rgba(16,24,40,.05);
    }
    .form-note{
      color: var(--muted2);
      font-weight:800;
      font-size:12px;
      line-height:1.6;
      margin: 0;
    }
    .contact-card{
      padding: 16px;
      border-radius: var(--radius2);
      border:1px solid rgba(18,25,40,.10);
      background:
        radial-gradient(600px 260px at 20% 0%, rgba(255,77,109,.14), transparent 55%),
        radial-gradient(600px 280px at 80% 20%, rgba(124,92,255,.14), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.74), rgba(255,255,255,.55));
      box-shadow: 0 18px 60px rgba(124,92,255,.10);
    }
    .contact-top{
      display:flex; gap:14px; align-items:flex-start; flex-wrap:wrap;
    }
    .contact-top .left{
      flex: 1 1 260px;
      min-width: 260px;
    }
    .contact-top h3{
      margin:0 0 8px;
      font-size: 16px;
      letter-spacing:-.2px;
    }
    .contact-top p{
      margin:0;
      color: var(--muted);
      font-weight:750;
      font-size:13px;
      line-height:1.8;
    }
    .contact-list{
      display:flex; gap:10px; flex-wrap:wrap;
      margin-top:12px;
    }
    .contact-item{
      display:flex; gap:10px; align-items:center;
      padding: 10px 12px;
      border-radius: 16px;
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.78);
      font-weight:900;
      font-size:13px;
      color: rgba(21,22,26,.92);
    }
    .contact-item small{
      display:block;
      margin-top:4px;
      color: var(--muted2);
      font-weight:850;
      font-size:12px;
      line-height:1.3;
    }
    .qr{
      width: 160px;
      border-radius: 18px;
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.70);
      padding: 10px;
      box-shadow: 0 14px 40px rgba(16,24,40,.05);
    }
    .qr img{
      width:100%;
      height:auto;
      display:block;
      border-radius: 12px;
    }
    .qr b{
      display:block;
      margin-top:8px;
      font-size:12px;
      color: rgba(21,22,26,.92);
      text-align:center;
      font-weight:950;
    }

    .tag-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
      align-items:center;
    }
    .tcloud{
      padding: 10px 12px;
      border-radius: 16px;
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.78);
      font-weight:950;
      font-size: 13px;
      color: rgba(21,22,26,.88);
      transition: transform .16s ease;
    }
    .tcloud:hover{transform: translateY(-2px)}
    .network{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 14px;
      align-items:stretch;
    }
    .timeline-card{
      padding: 16px;
      border-radius: var(--radius2);
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.75);
      box-shadow: 0 18px 55px rgba(16,24,40,.08);
    }
    .timeline-card h3{margin:0 0 10px; font-size:16px; letter-spacing:-.2px}
    .flow{
      display:flex; flex-direction:column; gap:10px;
      margin-top: 6px;
    }
    .flow-item{
      display:flex; gap:12px; align-items:flex-start;
      padding: 12px;
      border-radius: 16px;
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.82);
    }
    .flow-item .dot{
      width:12px; height:12px; border-radius:50%;
      background: linear-gradient(135deg, var(--brand1), var(--brand2));
      box-shadow: 0 0 0 5px rgba(124,92,255,.14);
      margin-top:6px; flex:0 0 auto;
    }
    .flow-item b{display:block; font-size:13px}
    .flow-item span{display:block; margin-top:4px; color:var(--muted2); font-weight:800; font-size:12px; line-height:1.7}
    .network-right{
      border-radius: var(--radius2);
      border:1px solid rgba(18,25,40,.10);
      background:
        radial-gradient(640px 260px at 0% 0%, rgba(0,188,212,.12), transparent 55%),
        radial-gradient(640px 300px at 90% 10%, rgba(255,77,109,.12), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.70), rgba(255,255,255,.55));
      box-shadow: 0 18px 55px rgba(16,24,40,.08);
      padding: 16px;
      display:flex;
      flex-direction:column;
      gap: 12px;
    }
    .bar{
      display:flex; flex-direction:column; gap:8px;
      padding: 12px;
      border-radius: 18px;
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.78);
    }
    .bar-top{display:flex; justify-content:space-between; gap:10px; align-items:baseline}
    .bar-top b{font-size:13px}
    .bar-top span{font-size:12px; color:var(--muted2); font-weight:900}
    .meter{
      height: 10px;
      border-radius: 999px;
      background: rgba(18,25,40,.08);
      overflow:hidden;
      border:1px solid rgba(18,25,40,.08);
    }
    .meter > i{
      display:block; height:100%;
      width: 64%;
      background: linear-gradient(90deg, var(--brand3), var(--brand2), var(--brand1));
      border-radius: 999px;
      animation: fillIn 1.2s ease both;
      transform-origin:left;
    }
    .meter.alt > i{width: 78%; background: linear-gradient(90deg, var(--brand4), var(--brand1), var(--brand2))}
    .meter.alt2 > i{width: 58%; background: linear-gradient(90deg, var(--brand2), var(--brand3), var(--brand4))}
    @keyframes fillIn{
      from{transform:scaleX(.78); opacity:.75}
      to{transform:scaleX(1); opacity:1}
    }

    .badge-row{
      display:flex; gap:10px; flex-wrap:wrap;
      margin-top: 10px;
    }
    .small-card{
      border-radius: 16px;
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.76);
      padding: 12px;
      box-shadow: 0 14px 40px rgba(16,24,40,.05);
      min-width: 190px;
      flex:1;
    }
    .small-card b{display:block; font-size:13px}
    .small-card span{display:block; margin-top:6px; color: var(--muted); font-weight:750; font-size:12.5px; line-height:1.7}

    .footer{
      padding: 20px 0 28px;
      margin-top: 6px;
      background: linear-gradient(180deg, rgba(255,255,255,0), rgba(255,255,255,.55));
      border-top: 1px solid rgba(18,25,40,.08);
    }
    .footer-inner{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 14px;
      align-items:start;
    }
    .footer-card{
      border-radius: var(--radius2);
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.80);
      padding: 16px;
      box-shadow: 0 18px 55px rgba(16,24,40,.08);
    }
    .footer-card h3{margin:0 0 10px; font-size:16px; letter-spacing:-.2px}
    .footer-links{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .footer-links a{
      padding: 9px 12px;
      border-radius: 999px;
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.88);
      font-weight:950;
      font-size:12.5px;
      color: rgba(21,22,26,.88);
      transition: transform .16s ease;
    }
    .footer-links a:hover{transform: translateY(-2px)}
    .copyright{
      margin-top: 12px;
      color: var(--muted2);
      font-weight:850;
      font-size:12px;
      line-height:1.6;
    }
    .footer-right{
      display:flex; flex-direction:column; gap:12px;
    }
    .foot-cta{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .foot-cta b{display:block; font-size:14px}
    .foot-cta span{display:block; margin-top:6px; color: var(--muted); font-weight:800; font-size:12.5px; line-height:1.7}
    .tiny{
      font-size:12px; color: var(--muted2); font-weight:850;
      line-height:1.6;
    }
    .backTop{
      position:fixed;
      right: 16px;
      bottom: 16px;
      z-index: 60;
      display:none;
    }
    .backTop button{
      cursor:pointer;
      border:none;
      border-radius: 18px;
      padding: 12px 14px;
      background: linear-gradient(135deg, rgba(255,77,109,.95), rgba(124,92,255,.95));
      color: white;
      font-weight:1000;
      box-shadow: 0 22px 55px rgba(124,92,255,.28);
      border:1px solid rgba(255,255,255,.28);
      transition: transform .15s ease;
    }
    .backTop button:hover{transform: translateY(-2px)}
    .backTop button svg{width:16px; height:16px}
    .fade-in{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .55s ease, transform .55s ease;
    }
    .fade-in.show{
      opacity:1;
      transform: translateY(0);
    }
    .float-chat{
      position:fixed;
      left: 16px;
      bottom: 16px;
      z-index: 60;
      display:flex;
      gap:10px;
      align-items:center;
      pointer-events:none;
    }
    .chat-btn{
      pointer-events:auto;
      cursor:pointer;
      display:flex; align-items:center; gap:10px;
      padding: 12px 14px;
      border-radius: 18px;
      background: rgba(255,255,255,.88);
      border:1px solid rgba(18,25,40,.12);
      box-shadow: 0 18px 55px rgba(16,24,40,.14);
      backdrop-filter: blur(10px);
      transition: transform .15s ease;
    }
    .chat-btn:hover{transform: translateY(-2px)}
    .chat-btn .bubble{
      width:32px; height:32px;
      border-radius: 14px;
      background: linear-gradient(135deg, rgba(0,188,212,.20), rgba(124,92,255,.18), rgba(255,77,109,.14));
      border:1px solid rgba(18,25,40,.10);
      display:flex; align-items:center; justify-content:center;
    }
    .chat-btn .bubble svg{width:16px; height:16px}
    .chat-btn b{display:block; font-size:13px; line-height:1.2}
    .chat-btn span{display:block; margin-top:4px; font-size:12px; color: var(--muted2); font-weight:900; line-height:1.2}
    .chat-pop{
      pointer-events:auto;
      width: 320px;
      max-width: calc(100vw - 32px);
      background: rgba(255,255,255,.92);
      border:1px solid rgba(18,25,40,.12);
      border-radius: 22px;
      box-shadow: 0 30px 90px rgba(16,24,40,.22);
      overflow:hidden;
      transform-origin: left bottom;
      transform: scale(.98);
      opacity:0;
      display:none;
    }
    .chat-pop.open{display:block; animation: popIn .18s ease both}
    @keyframes popIn{
      from{opacity:0; transform: translateY(8px) scale(.96)}
      to{opacity:1; transform: translateY(0) scale(1)}
    }
    .chat-head{
      padding: 12px 14px;
      background:
        radial-gradient(460px 160px at 10% 0%, rgba(255,77,109,.16), transparent 55%),
        radial-gradient(460px 160px at 90% 20%, rgba(124,92,255,.16), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,.80));
      border-bottom:1px solid rgba(18,25,40,.10);
      display:flex; justify-content:space-between; gap:10px; align-items:center;
    }
    .chat-head b{font-size:14px}
    .close-x{
      cursor:pointer;
      border:1px solid rgba(18,25,40,.12);
      background: rgba(255,255,255,.78);
      width:34px; height:34px; border-radius:14px;
      display:flex; align-items:center; justify-content:center;
    }
    .close-x svg{width:16px; height:16px}
    .chat-body{
      padding: 12px 14px 14px;
      display:flex; flex-direction:column; gap:10px;
    }
    .chat-row{
      display:flex; gap:12px; align-items:flex-start;
    }
    .chat-q{
      flex:1;
      padding: 10px 12px;
      border-radius: 16px;
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.80);
    }
    .chat-q b{display:block; font-size:13px}
    .chat-q span{display:block; margin-top:6px; color: var(--muted); font-weight:800; font-size:12.5px; line-height:1.7}
    .chat-qr{
      width: 92px;
      border-radius: 18px;
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.78);
      padding: 8px;
      box-shadow: 0 16px 40px rgba(16,24,40,.06);
    }
    .chat-qr img{width:100%; height:auto; display:block; border-radius: 12px}
    .chat-acts{
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .chat-acts a{
      flex:1;
      min-width: 120px;
      display:inline-flex; align-items:center; justify-content:center; gap:10px;
      padding: 10px 12px;
      border-radius: 16px;
      border:1px solid rgba(18,25,40,.12);
      background: rgba(255,255,255,.84);
      font-weight:1000; font-size:13px;
      transition: transform .16s ease, box-shadow .16s ease;
    }
    .chat-acts a:hover{transform: translateY(-2px); box-shadow: 0 18px 45px rgba(16,24,40,.12)}
    .chat-acts a.primary{
      color:white;
      border:none;
      background: linear-gradient(135deg, rgba(255,77,109,.95), rgba(124,92,255,.95));
      box-shadow: 0 22px 55px rgba(124,92,255,.22);
    }
    .chat-acts svg{width:16px; height:16px}

    .img-section{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:stretch;
    }
    .img-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .imgbox{
      border-radius: var(--radius2);
      border:1px solid rgba(18,25,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 55px rgba(16,24,40,.08);
      padding: 12px;
      overflow:hidden;
    }
    .imgbox .img-wrap{
      border-radius: 18px;
      overflow:hidden;
      border:1px solid rgba(18,25,40,.08);
      background: rgba(255,255,255,.82);
    }
    .imgbox img{
      width:100%;
      height:auto;
      display:block;
      object-fit:contain;
    }
    .imgbox b{
      display:block;
      margin-top:10px;
      font-size:13px;
      font-weight:1000;
      letter-spacing:-.1px;
      padding:0 6px;
    }

    .anchor{
      scroll-margin-top: 84px;
    }

    @media (max-width: 980px){
      .hero-inner{grid-template-columns: 1fr; }
      .hero-right{padding-top:0}
      .grid-3{grid-template-columns: 1fr; }
      .grid-2{grid-template-columns: 1fr; }
      .steps{grid-template-columns: 1fr 1fr; }
      .articles{grid-template-columns: 1fr; }
      .faq{grid-template-columns: 1fr; }
      .comments{grid-template-columns: 1fr; }
      .case-grid{grid-template-columns: 1fr 1fr; }
      .network{grid-template-columns: 1fr; }
      .form-grid{grid-template-columns: 1fr; }
      .footer-inner{grid-template-columns: 1fr; }
    }
    @media (max-width: 860px){
      .nav{display:none}
      .menu-toggle{display:inline-flex; align-items:center; gap:10px}
      .mobile-panel{display:none}
    }