:root{
      --bg0:#ffffff;
      --bg1:#fbfaf7;
      --ink:#14161a;
      --muted:#5b6472;
      --muted2:#7b8596;
      --card:#ffffff;
      --line:rgba(20,22,26,.10);
      --line2:rgba(20,22,26,.14);
      --shadow: 0 18px 50px rgba(16,24,40,.10);
      --shadow2: 0 10px 26px rgba(16,24,40,.10);
      --shadow3: 0 6px 18px rgba(16,24,40,.12);
      --radius-xl:26px;
      --radius-lg:18px;
      --radius-md:14px;
      --radius-sm:12px;
      --ease:cubic-bezier(.2,.8,.2,1);
      --gradA: linear-gradient(135deg, #7C5CFF 0%, #2DD4FF 38%, #22C55E 100%);
      --gradB: linear-gradient(135deg, rgba(124,92,255,.15) 0%, rgba(45,212,255,.12) 45%, rgba(34,197,94,.12) 100%);
      --gradC: linear-gradient(135deg, #34D399 0%, #60A5FA 55%, #A78BFA 100%);
      --accent:#3b5bff;
      --accent2:#00a3ff;
      --good:#16a34a;
      --warn:#f59e0b;
      --bad:#ef4444;
      --focus: 0 0 0 4px rgba(59,91,255,.15);
      --container: 1120px;
      --pad: 20px;
    }
    *{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 CJK SC", "Noto Sans SC", sans-serif;
      color:var(--ink);
      background:
        radial-gradient(1200px 600px at 15% -10%, rgba(124,92,255,.16), transparent 55%),
        radial-gradient(900px 500px at 90% 0%, rgba(45,212,255,.14), transparent 55%),
        radial-gradient(900px 520px at 80% 35%, rgba(34,197,94,.10), transparent 58%),
        linear-gradient(180deg, var(--bg1) 0%, #ffffff 70%);
    }
    a{color:inherit; text-decoration:none}
    img{max-width:100%; height:auto; display:block}
    .container{
      max-width: var(--container);
      margin: 0 auto;
      padding: 0 var(--pad);
    }
    .topbar{
      position:sticky; top:0; z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(251,250,247,.72);
      border-bottom: 1px solid rgba(20,22,26,.08);
    }
    .topbar-inner{
      display:flex; align-items:center; justify-content:space-between; gap:16px;
      padding: 12px 0;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width: 180px;
    }
    .ai-page-logo-wrap{width:44px; height:44px; border-radius:14px; background: rgba(255,255,255,.85); border:1px solid rgba(20,22,26,.10); box-shadow:0 10px 20px rgba(16,24,40,.06); display:flex; align-items:center; justify-content:center; overflow:hidden}
    .ai-page-logo{max-width:100%; height:auto}
    .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)}
    .nav{
      display:flex; align-items:center; gap:14px; flex-wrap:nowrap;
    }
    .nav-links{display:flex; align-items:center; gap:12px}
    .nav-links a{
      font-size:13px; color:rgba(20,22,26,.82);
      padding:10px 10px; border-radius:12px;
      transition: background .25s var(--ease), transform .25s var(--ease), color .25s var(--ease);
      white-space:nowrap;
    }
    .nav-links a:hover{background:rgba(124,92,255,.10); color:rgba(20,22,26,.95); transform: translateY(-1px)}
    .nav-cta{display:flex; align-items:center; gap:10px; justify-content:flex-end; min-width: 240px}
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      padding: 12px 14px; border-radius: 14px;
      border:1px solid rgba(20,22,26,.14);
      background: rgba(255,255,255,.86);
      color: rgba(20,22,26,.92);
      box-shadow: 0 10px 22px rgba(16,24,40,.06);
      font-weight:700;
      font-size:13px;
      cursor:pointer;
      transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
      user-select:none;
    }
    .btn:active{transform: translateY(1px)}
    .btn:hover{box-shadow: 0 16px 34px rgba(16,24,40,.10); border-color: rgba(59,91,255,.30)}
    .btn-primary{
      border: 1px solid rgba(59,91,255,.25);
      background: linear-gradient(135deg, rgba(124,92,255,.22), rgba(45,212,255,.18), rgba(34,197,94,.16));
      position:relative;
      overflow:hidden;
    }
    .btn-primary::before{
      content:"";
      position:absolute; inset:-2px;
      background: var(--gradA);
      opacity:.22;
      filter: blur(16px);
      transform: translateY(10px);
      transition: transform .45s var(--ease), opacity .45s var(--ease);
    }
    .btn-primary:hover::before{transform: translateY(0px); opacity:.28}
    .btn-primary span{position:relative; z-index:1}
    .btn-ghost{
      background: rgba(255,255,255,.55);
    }
    .icon-dot{
      width:9px; height:9px; border-radius:999px;
      background: var(--gradA);
      box-shadow: 0 0 0 4px rgba(124,92,255,.12);
    }
    .mobile-toggle{
      display:none;
      width:44px; height:44px; border-radius:14px;
      border:1px solid rgba(20,22,26,.12);
      background: rgba(255,255,255,.86);
      cursor:pointer;
      transition: transform .2s var(--ease), box-shadow .2s var(--ease);
    }
    .mobile-toggle:active{transform: translateY(1px)}
    .mobile-toggle:focus{outline:none; box-shadow: var(--focus)}
    .hamburger{
      width:18px; height:12px; margin:0 auto; position:relative;
    }
    .hamburger span{
      position:absolute; left:0; right:0;
      height:2px; border-radius:99px; background: rgba(20,22,26,.85);
      transition: transform .25s var(--ease), top .25s var(--ease), opacity .2s var(--ease);
    }
    .hamburger span:nth-child(1){top:0}
    .hamburger span:nth-child(2){top:5px}
    .hamburger span:nth-child(3){top:10px}
    .mobile-open .hamburger span:nth-child(1){top:5px; transform: rotate(45deg)}
    .mobile-open .hamburger span:nth-child(2){opacity:0}
    .mobile-open .hamburger span:nth-child(3){top:5px; transform: rotate(-45deg)}
    .mobile-drawer{
      display:none;
      padding: 0 0 12px 0;
    }
    .mobile-drawer.open{display:block}
    .mobile-drawer .drawer-links{
      display:flex; flex-direction:column; gap:8px;
      padding: 12px 0 6px;
    }
    .mobile-drawer a{
      padding: 12px 12px; border-radius:14px;
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.72);
      font-weight:650;
      font-size:13px;
    }

    .hero{
      padding: 38px 0 18px;
      position:relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 18px;
      align-items:stretch;
    }
    .hero-left{
      padding: 26px 24px;
      border-radius: var(--radius-xl);
      background:
        radial-gradient(900px 360px at 0% 0%, rgba(124,92,255,.18), transparent 60%),
        radial-gradient(620px 320px at 95% 10%, rgba(45,212,255,.15), transparent 55%),
        radial-gradient(760px 420px at 70% 110%, rgba(34,197,94,.12), transparent 55%),
        rgba(255,255,255,.78);
      border: 1px solid rgba(20,22,26,.10);
      box-shadow: 0 20px 60px rgba(16,24,40,.08);
      overflow:hidden;
      position:relative;
    }
    .hero-left::after{
      content:"";
      position:absolute;
      inset:-80px -120px auto auto;
      width: 360px; height: 360px;
      background: var(--gradA);
      opacity:.10;
      filter: blur(18px);
      transform: rotate(12deg);
      pointer-events:none;
    }
    .eyebrow{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
      margin-bottom: 12px;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding: 8px 10px;
      border-radius: 999px;
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.74);
      font-weight:750; font-size:12px;
      color: rgba(20,22,26,.88);
    }
    .pill .spark{
      width:18px; height:18px; border-radius:6px;
      background: linear-gradient(135deg, rgba(124,92,255,.18), rgba(45,212,255,.16));
      border:1px solid rgba(59,91,255,.22);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 10px 22px rgba(16,24,40,.08);
    }
    .hero h1{
      margin: 0;
      font-size: 36px;
      letter-spacing: -0.8px;
      line-height: 1.12;
    }
    .hero p{
      margin: 12px 0 18px;
      color: var(--muted);
      font-size: 14.5px;
      line-height: 1.8;
      max-width: 54ch;
    }
    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap; align-items:center;
      margin-bottom: 18px;
    }
    .btn-arrow{
      width:18px; height:18px; border-radius:7px;
      border:1px solid rgba(20,22,26,.14);
      background: rgba(255,255,255,.7);
      display:flex; align-items:center; justify-content:center;
      font-size:12px; font-weight:900;
    }
    .hero-meta{
      display:flex; gap:12px; flex-wrap:wrap;
      border-top:1px dashed rgba(20,22,26,.14);
      padding-top: 16px;
      margin-top: 10px;
    }
    .meta-item{
      flex:1;
      min-width: 160px;
      padding: 12px 12px;
      border-radius: 16px;
      background: rgba(255,255,255,.65);
      border: 1px solid rgba(20,22,26,.10);
      transition: transform .25s var(--ease), box-shadow .25s var(--ease);
    }
    .meta-item:hover{transform: translateY(-2px); box-shadow: 0 18px 40px rgba(16,24,40,.10)}
    .meta-item strong{display:block; font-size:14px; letter-spacing:-.2px}
    .meta-item span{display:block; margin-top:6px; font-size:12.5px; color:var(--muted)}
    .hero-right{
      display:flex;
      flex-direction:column;
      gap: 12px;
    }
    .data-card{
      padding: 18px;
      border-radius: var(--radius-xl);
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(20,22,26,.10);
      box-shadow: 0 18px 50px rgba(16,24,40,.08);
      position:relative;
      overflow:hidden;
    }
    .data-card::before{
      content:"";
      position:absolute;
      inset:-2px;
      background: var(--gradB);
      opacity:.9;
      pointer-events:none;
    }
    .data-card > *{position:relative; z-index:1}
    .data-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px; margin-bottom: 14px;
    }
    .data-top .title{
      display:flex; flex-direction:column; gap:6px;
    }
    .data-top h2{
      margin:0; font-size:14px; letter-spacing:.2px;
    }
    .data-top p{
      margin:0; color:var(--muted); font-size:12.5px; line-height:1.6;
    }
    .status-badge{
      display:flex; align-items:center; gap:8px;
      padding: 8px 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.70);
      border: 1px solid rgba(20,22,26,.12);
      font-weight:800;
      font-size:12px;
      color: rgba(20,22,26,.90);
      white-space:nowrap;
    }
    .pulse{
      width:10px; height:10px; border-radius:99px;
      background: #22c55e;
      box-shadow: 0 0 0 0 rgba(34,197,94,.35);
      animation: pulse 1.8s var(--ease) infinite;
    }
    @keyframes pulse{
      0%{box-shadow:0 0 0 0 rgba(34,197,94,.35)}
      70%{box-shadow:0 0 0 12px rgba(34,197,94,0)}
      100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}
    }
    .metrics{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 10px;
    }
    .metric{
      border-radius: 18px;
      padding: 12px 12px;
      background: rgba(255,255,255,.75);
      border: 1px solid rgba(20,22,26,.10);
      transition: transform .25s var(--ease), box-shadow .25s var(--ease);
      min-height: 76px;
    }
    .metric:hover{transform: translateY(-2px); box-shadow: 0 18px 40px rgba(16,24,40,.10)}
    .metric strong{font-size:20px; letter-spacing:-.6px}
    .metric span{display:block; margin-top:6px; color:var(--muted); font-size:12.5px; line-height:1.5}
    .platform-card{
      border-radius: var(--radius-xl);
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(20,22,26,.10);
      box-shadow: 0 18px 50px rgba(16,24,40,.08);
      padding: 18px;
    }
    .platform-card h3{margin:0; font-size:14px; letter-spacing:.2px}
    .tag-cloud{
      margin-top: 12px;
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .tag{
      padding: 9px 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.70);
      border: 1px solid rgba(20,22,26,.10);
      font-size:12.5px;
      color: rgba(20,22,26,.86);
      font-weight:700;
      transition: transform .2s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
      cursor:default;
      user-select:none;
    }
    .tag:hover{transform: translateY(-2px); border-color: rgba(59,91,255,.28); box-shadow: 0 14px 28px rgba(16,24,40,.10)}
    .section{
      padding: 26px 0;
    }
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px; flex-wrap:wrap;
      margin-bottom: 14px;
    }
    .section-head h2{
      margin:0; font-size:22px; letter-spacing:-.4px;
    }
    .section-head p{
      margin:0; color:var(--muted); font-size:13.5px; line-height:1.7;
      max-width: 62ch;
    }
    .card{
      background: rgba(255,255,255,.82);
      border: 1px solid rgba(20,22,26,.10);
      border-radius: var(--radius-xl);
      box-shadow: 0 16px 44px rgba(16,24,40,.06);
    }
    .grid-3{
      display:grid; grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 12px;
      align-items:stretch;
    }
    .grid-2{
      display:grid; grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 12px; align-items:stretch;
    }
    .feature{
      padding: 16px;
      position:relative;
      overflow:hidden;
    }
    .feature::after{
      content:"";
      position:absolute;
      inset:auto -40px -70px auto;
      width:160px; height:160px;
      background: var(--gradC);
      opacity:.08;
      filter: blur(14px);
      transform: rotate(18deg);
      pointer-events:none;
    }
    .feature > *{position:relative; z-index:1}
    .feature-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
      margin-bottom: 8px;
    }
    .feature .glyph{
      width:40px; height:40px; border-radius: 16px;
      background: rgba(255,255,255,.75);
      border:1px solid rgba(20,22,26,.10);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 14px 32px rgba(16,24,40,.08);
    }
    .feature h3{margin:0; font-size:14.5px; letter-spacing:-.2px}
    .feature p{margin: 8px 0 0; color: var(--muted); font-size: 13px; line-height: 1.8}
    .list{
      margin:0; padding:0; list-style:none;
      display:flex; flex-direction:column; gap:10px;
    }
    .li{
      display:flex; gap:10px; align-items:flex-start;
      padding: 12px 12px;
      border-radius: 16px;
      border: 1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.70);
    }
    .check{
      width:22px; height:22px; border-radius:8px;
      background: rgba(34,197,94,.12);
      border:1px solid rgba(34,197,94,.28);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color: #15803d;
      flex:0 0 auto;
      margin-top: 1px;
    }
    .li strong{display:block; font-size:13.5px}
    .li span{display:block; margin-top:6px; color:var(--muted); font-size:12.8px; line-height:1.7}
    .stepper{
      padding: 16px;
    }
    .steps{
      display:grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
    }
    .step{
      padding: 14px 14px;
      border-radius: 20px;
      border: 1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.72);
      transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
      position:relative;
      overflow:hidden;
      min-height: 162px;
    }
    .step:hover{transform: translateY(-3px); box-shadow: 0 22px 52px rgba(16,24,40,.10); border-color: rgba(59,91,255,.22)}
    .step .num{
      width:36px; height:36px;
      border-radius: 14px;
      background: rgba(59,91,255,.12);
      border: 1px solid rgba(59,91,255,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color: rgba(44,64,198,.95);
      margin-bottom: 10px;
      position:relative;
      z-index:1;
    }
    .step h3{margin:0; font-size:14.5px}
    .step p{margin: 8px 0 0; color: var(--muted); font-size: 13px; line-height:1.8}
    .divider-row{
      display:flex; gap:12px; align-items:center; flex-wrap:wrap;
    }
    .divider-row .chip{
      padding: 9px 10px;
      border-radius: 999px;
      border: 1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.65);
      font-size:12.5px; color: rgba(20,22,26,.86); font-weight:750;
    }

    .table-wrap{
      overflow:auto;
      border-radius: var(--radius-xl);
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 16px 44px rgba(16,24,40,.06);
    }
    table{
      width:100%;
      border-collapse: separate;
      border-spacing:0;
      min-width: 760px;
    }
    thead th{
      text-align:left;
      font-size:13px;
      color: rgba(20,22,26,.90);
      padding: 14px 14px;
      background: linear-gradient(135deg, rgba(124,92,255,.12), rgba(45,212,255,.10), rgba(34,197,94,.10));
      border-bottom:1px solid rgba(20,22,26,.10);
      position:sticky;
      top:0;
      z-index:2;
      white-space:nowrap;
    }
    tbody td{
      padding: 14px 14px;
      border-bottom:1px solid rgba(20,22,26,.08);
      font-size:13px;
      color: rgba(20,22,26,.88);
      vertical-align:top;
    }
    tbody tr:hover td{background: rgba(124,92,255,.06)}
    .td-muted{color:var(--muted)}
    .score{
      display:inline-flex; align-items:center; gap:10px;
      padding: 10px 12px;
      border-radius: 18px;
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(20,22,26,.10);
      box-shadow: 0 12px 26px rgba(16,24,40,.06);
      white-space:nowrap;
    }
    .stars{
      display:flex; gap:4px;
    }
    .star{
      width:18px; height:18px;
      fill: #f59e0b;
      filter: drop-shadow(0 8px 14px rgba(245,158,11,.18));
    }
    .score strong{font-size:14px}
    .score span{color:var(--muted); font-size:12.5px}
    .review-grid{
      display:grid; grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 12px;
    }
    .review{
      padding: 16px;
      border-radius: var(--radius-xl);
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(20,22,26,.10);
      box-shadow: 0 16px 44px rgba(16,24,40,.06);
      transition: transform .25s var(--ease), box-shadow .25s var(--ease);
      position:relative;
      overflow:hidden;
      min-height: 170px;
    }
    .review:hover{transform: translateY(-3px); box-shadow: 0 22px 52px rgba(16,24,40,.10)}
    .review::after{
      content:"";
      position:absolute;
      inset:auto auto -90px -90px;
      width:200px; height:200px;
      background: var(--gradA);
      opacity:.08;
      filter: blur(18px);
      pointer-events:none;
    }
    .review > *{position:relative; z-index:1}
    .review-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      margin-bottom: 10px;
    }
    .avatar{
      width:42px; height:42px;
      border-radius: 16px;
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(20,22,26,.10);
      display:flex; align-items:center; justify-content:center;
      font-weight:900; color: rgba(44,64,198,.95);
      box-shadow: 0 12px 26px rgba(16,24,40,.06);
      flex:0 0 auto;
    }
    .review-top .who strong{display:block; font-size:13.5px}
    .review-top .who span{display:block; margin-top:5px; color:var(--muted); font-size:12.5px; line-height:1.4}
    .review p{margin:0; color: rgba(20,22,26,.88); font-size:13px; line-height:1.85}

    .case-grid{
      display:grid; grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 12px;
    }
    .case{
      padding: 16px;
      border-radius: var(--radius-xl);
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.80);
      box-shadow: 0 16px 44px rgba(16,24,40,.06);
      overflow:hidden;
      transition: transform .25s var(--ease), box-shadow .25s var(--ease);
      min-height: 214px;
      position:relative;
    }
    .case:hover{transform: translateY(-3px); box-shadow: 0 22px 52px rgba(16,24,40,.10)}
    .case .k{
      display:flex; gap:8px; flex-wrap:wrap;
      margin-top: 10px;
    }
    .badge{
      padding: 8px 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.70);
      border: 1px solid rgba(20,22,26,.10);
      font-size:12.2px;
      font-weight:800;
      color: rgba(20,22,26,.86);
    }
    .case .title{
      font-weight:900; letter-spacing:-.2px; font-size:15px;
      margin-top: 6px;
    }
    .case .desc{margin: 8px 0 0; color:var(--muted); font-size:13px; line-height:1.8}
    .case .cta{
      margin-top: 12px;
      display:flex; gap:10px; align-items:center; flex-wrap:wrap;
    }
    .linkbtn{
      display:inline-flex; align-items:center; gap:8px;
      padding: 10px 12px;
      border-radius: 14px;
      border: 1px solid rgba(20,22,26,.12);
      background: rgba(255,255,255,.65);
      font-size:13px; font-weight:800;
      transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
      cursor:pointer;
    }
    .linkbtn:hover{transform: translateY(-2px); box-shadow: 0 16px 34px rgba(16,24,40,.10); border-color: rgba(59,91,255,.26)}
    .tiny{
      color:var(--muted2); font-size:12.2px; margin-left:auto;
      padding: 9px 10px;
      border-radius: 999px;
      border:1px dashed rgba(20,22,26,.16);
      background: rgba(255,255,255,.45);
    }

    .articles{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 12px;
      align-items:stretch;
    }
    .article-list{
      padding: 16px;
    }
    .article-item{
      display:flex; gap:12px; align-items:flex-start;
      padding: 12px 12px;
      border-radius: 18px;
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.70);
      transition: transform .25s var(--ease), box-shadow .25s var(--ease);
      cursor:pointer;
    }
    .article-item:hover{transform: translateY(-2px); box-shadow: 0 20px 44px rgba(16,24,40,.10)}
    .article-item + .article-item{margin-top: 10px}
    .article-dot{
      width:12px; height:12px; border-radius:6px;
      background: var(--gradA);
      box-shadow: 0 0 0 4px rgba(124,92,255,.12);
      flex:0 0 auto;
      margin-top: 6px;
    }
    .article-item strong{display:block; font-size:13.5px; letter-spacing:-.1px}
    .article-item span{display:block; margin-top:6px; color:var(--muted); font-size:12.8px; line-height:1.65}
    .right-stack{
      display:flex; flex-direction:column; gap:12px;
    }
    .side-card{
      padding: 16px;
      border-radius: var(--radius-xl);
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 16px 44px rgba(16,24,40,.06);
      overflow:hidden;
      position:relative;
    }
    .side-card::before{
      content:"";
      position:absolute;
      inset:-120px auto auto -120px;
      width:260px; height:260px;
      background: var(--gradC);
      opacity:.08;
      filter: blur(18px);
      pointer-events:none;
    }
    .side-card > *{position:relative; z-index:1}
    .side-card h3{margin:0; font-size:14.5px}
    .side-card p{margin: 10px 0 0; color:var(--muted); font-size:13px; line-height:1.8}
    .kpi-row{
      display:flex; gap:10px; flex-wrap:wrap; margin-top: 12px;
    }
    .kpi{
      flex: 1;
      min-width: 120px;
      padding: 10px 10px;
      border-radius: 18px;
      background: rgba(255,255,255,.70);
      border:1px solid rgba(20,22,26,.10);
    }
    .kpi strong{display:block; font-size:16px; letter-spacing:-.3px}
    .kpi span{display:block; margin-top:6px; color:var(--muted); font-size:12.5px; line-height:1.5}

    .form-card{
      padding: 18px;
    }
    form .row{
      display:grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }
    label{
      display:flex; flex-direction:column; gap:8px;
      font-size:12.8px; font-weight:800; color: rgba(20,22,26,.86);
    }
    input, select, textarea{
      width:100%;
      padding: 12px 12px;
      border-radius: 14px;
      border: 1px solid rgba(20,22,26,.14);
      background: rgba(255,255,255,.82);
      color: rgba(20,22,26,.95);
      outline:none;
      transition: box-shadow .2s var(--ease), border-color .2s var(--ease), transform .15s var(--ease);
      font-size:13px;
    }
    input:focus, select:focus, textarea:focus{
      box-shadow: var(--focus);
      border-color: rgba(59,91,255,.35);
    }
    textarea{min-height: 110px; resize: vertical}
    .form-actions{
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      margin-top: 12px;
    }
    .hint{
      color:var(--muted2); font-size:12.5px; line-height:1.6;
    }
    .toast{
      position: fixed;
      left: 50%;
      transform: translateX(-50%);
      bottom: 18px;
      z-index: 999;
      background: rgba(20,22,26,.92);
      color: #fff;
      border: 1px solid rgba(255,255,255,.14);
      padding: 12px 14px;
      border-radius: 16px;
      box-shadow: 0 22px 60px rgba(0,0,0,.25);
      display:none;
      max-width: calc(100vw - 24px);
      font-size:13px;
      line-height:1.6;
    }
    .toast.show{display:block; animation: toastIn .25s var(--ease)}
    @keyframes toastIn{from{opacity:0; transform: translateX(-50%) translateY(10px)} to{opacity:1; transform: translateX(-50%) translateY(0)}}

    .accordion{
      padding: 16px;
    }
    details{
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.72);
      border-radius: 18px;
      padding: 10px 12px;
      transition: box-shadow .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
    }
    details + details{margin-top: 10px}
    details[open]{border-color: rgba(59,91,255,.28); box-shadow: 0 18px 44px rgba(16,24,40,.10); transform: translateY(-1px)}
    summary{
      cursor:pointer;
      list-style:none;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      padding: 8px 2px;
      font-weight:900;
      font-size:13.6px;
    }
    summary::-webkit-details-marker{display:none}
    .sum-right{
      display:flex; align-items:center; gap:10px; flex:0 0 auto;
      color: var(--muted);
      font-weight:900;
      font-size:12px;
    }
    .chev{
      width:28px; height:28px; border-radius: 12px;
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.72);
      display:flex; align-items:center; justify-content:center;
      transition: transform .25s var(--ease);
    }
    details[open] .chev{transform: rotate(180deg)}
    .acc-body{
      padding: 6px 2px 10px;
      color: var(--muted);
      font-size:13px;
      line-height:1.85;
    }

    .network-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      align-items:stretch;
    }
    .map-card{
      padding: 16px;
      position:relative;
      overflow:hidden;
      min-height: 250px;
    }
    .map-card::before{
      content:"";
      position:absolute;
      inset:-150px -60px auto auto;
      width: 320px; height: 320px;
      background: var(--gradA);
      opacity:.10;
      filter: blur(18px);
      pointer-events:none;
    }
    .map-card > *{position:relative; z-index:1}
    .network-list{
      padding: 16px;
    }
    .station{
      display:flex; gap:12px; align-items:flex-start;
      padding: 12px 12px;
      border-radius: 18px;
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.70);
    }
    .station + .station{margin-top: 10px}
    .pin{
      width:34px; height:34px;
      border-radius: 14px;
      background: rgba(45,212,255,.12);
      border:1px solid rgba(45,212,255,.25);
      display:flex; align-items:center; justify-content:center;
      color: rgba(2,132,199,.98);
      font-weight:900;
      flex:0 0 auto;
      margin-top: 2px;
    }
    .station strong{display:block; font-size:13.5px}
    .station span{display:block; margin-top:6px; color:var(--muted); font-size:12.8px; line-height:1.7}

    .timeline{
      padding: 16px;
    }
    .time-items{
      display:flex; flex-direction:column; gap: 10px;
      margin-top: 10px;
    }
    .time{
      display:flex; gap:12px; align-items:flex-start;
      padding: 12px 12px;
      border-radius: 18px;
      background: rgba(255,255,255,.70);
      border:1px solid rgba(20,22,26,.10);
    }
    .time .t{
      width: 68px;
      border-radius: 16px;
      background: rgba(124,92,255,.12);
      border: 1px solid rgba(124,92,255,.22);
      padding: 10px 10px;
      font-weight:950;
      color: rgba(44,64,198,.98);
      font-size:12px;
      text-align:center;
      flex:0 0 auto;
    }
    .time .content strong{display:block; font-size:13.5px}
    .time .content span{display:block; margin-top:6px; color:var(--muted); font-size:12.8px; line-height:1.7}

    .footer{
      padding: 22px 0 26px;
      margin-top: 10px;
      border-top: 1px solid rgba(20,22,26,.08);
      background: rgba(255,255,255,.55);
    }
    .footer-grid{
      display:flex; align-items:flex-start; justify-content:space-between; gap:16px; flex-wrap:wrap;
    }
    .foot-left{max-width: 520px}
    .foot-left .row{
      display:flex; gap:12px; align-items:center; flex-wrap:wrap;
      margin-bottom: 10px;
    }
    .foot-left .mini-logo{
      width:44px; height:44px; border-radius:16px; border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.78); box-shadow:0 16px 34px rgba(16,24,40,.08);
      display:flex; align-items:center; justify-content:center;
      overflow:hidden;
    }
    .foot-left p{
      margin:0;
      color: var(--muted);
      font-size: 13px;
      line-height:1.8;
    }
    .foot-right{
      display:flex; gap:14px; flex-wrap:wrap; align-items:flex-start; justify-content:flex-end;
    }
    .foot-links{
      padding: 14px 14px;
      border-radius: 20px;
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.74);
      min-width: 260px;
    }
    .foot-links strong{display:block; font-size:13.5px; margin-bottom: 10px}
    .foot-links .links{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .foot-links a{
      display:inline-flex; align-items:center;
      padding: 10px 12px;
      border-radius: 999px;
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.72);
      font-size:12.8px; font-weight:800;
      transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
    }
    .foot-links a:hover{transform: translateY(-2px); box-shadow: 0 18px 44px rgba(16,24,40,.10); border-color: rgba(59,91,255,.26)}
    .copyright{
      margin-top: 14px;
      color: var(--muted2);
      font-size: 12.5px;
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      border-top: 1px dashed rgba(20,22,26,.14);
      padding-top: 12px;
    }

    .float-kefu{
      position:fixed;
      right: 16px;
      bottom: 16px;
      z-index: 100;
      display:flex;
      gap: 10px;
      align-items:flex-end;
    }
    .kefu-box{
      width: 200px;
      padding: 12px;
      border-radius: 22px;
      background: rgba(255,255,255,.86);
      border: 1px solid rgba(20,22,26,.12);
      box-shadow: 0 22px 60px rgba(16,24,40,.18);
      backdrop-filter: blur(10px);
      transform-origin: 100% 100%;
      transform: translateY(10px);
      opacity: 0;
      pointer-events:none;
      transition: opacity .25s var(--ease), transform .25s var(--ease);
    }
    .kefu-box.show{
      opacity: 1;
      transform: translateY(0px);
      pointer-events:auto;
    }
    .kefu-box .title{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom: 10px;
    }
    .kefu-box .title strong{font-size:13.5px}
    .kefu-close{
      width:30px; height:30px; border-radius: 12px;
      border:1px solid rgba(20,22,26,.12);
      background: rgba(255,255,255,.7);
      cursor:pointer;
      transition: transform .2s var(--ease);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
    }
    .kefu-close:active{transform: translateY(1px)}
    .kefu-img-wrap{
      border-radius: 18px;
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.74);
      overflow:hidden;
    }
    .kefu-img-wrap img{width:100%; height:auto}
    .kefu-note{
      color:var(--muted);
      font-size:12.5px;
      line-height:1.6;
      margin-top: 10px;
    }
    .kefu-btn{
      width:52px; height:52px;
      border-radius: 20px;
      border:1px solid rgba(59,91,255,.25);
      background: linear-gradient(135deg, rgba(124,92,255,.18), rgba(45,212,255,.16), rgba(34,197,94,.14));
      box-shadow: 0 22px 60px rgba(16,24,40,.18);
      cursor:pointer;
      transition: transform .25s var(--ease), box-shadow .25s var(--ease);
      display:flex; align-items:center; justify-content:center;
      position:relative;
      overflow:hidden;
    }
    .kefu-btn:hover{transform: translateY(-3px); box-shadow: 0 28px 70px rgba(16,24,40,.22)}
    .kefu-btn:focus{outline:none; box-shadow: var(--focus)}
    .kefu-btn .badge-dot{
      position:absolute; top:10px; right:10px;
      width:10px; height:10px; border-radius:999px;
      background: #22c55e;
      box-shadow: 0 0 0 6px rgba(34,197,94,.14);
    }
    .to-top{
      position:fixed;
      right: 16px;
      bottom: 86px;
      z-index: 99;
      width: 46px; height:46px;
      border-radius: 18px;
      border:1px solid rgba(20,22,26,.12);
      background: rgba(255,255,255,.82);
      box-shadow: 0 20px 52px rgba(16,24,40,.16);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      opacity:0; transform: translateY(10px);
      pointer-events:none;
      transition: opacity .25s var(--ease), transform .25s var(--ease);
      color: rgba(20,22,26,.88);
      font-weight:900;
    }
    .to-top.show{opacity:1; transform: translateY(0); pointer-events:auto}
    .sr-only{
      position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); border:0;
    }

    .reveal{opacity:0; transform: translateY(14px); transition: opacity .6s var(--ease), transform .6s var(--ease)}
    .reveal.in{opacity:1; transform: translateY(0)}
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .reveal{transition:none; opacity:1; transform:none}
      .pulse{animation:none}
      .btn-primary::before{transition:none}
    }
    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .steps{grid-template-columns: repeat(2, minmax(0,1fr))}
      .grid-3{grid-template-columns: 1fr}
      .grid-2{grid-template-columns: 1fr}
      .review-grid{grid-template-columns: 1fr}
      .case-grid{grid-template-columns: 1fr}
      .articles{grid-template-columns: 1fr}
      .network-grid{grid-template-columns: 1fr}
      .nav-links{display:none}
      .nav-cta{min-width: auto}
      .mobile-toggle{display:inline-flex; align-items:center; justify-content:center}
      .mobile-drawer{display:block}
      .mobile-drawer{margin-top: 6px}
      .steps .step{min-height: 150px}
      .hero h1{font-size: 30px}
      .form-card form .row{grid-template-columns: 1fr}
      .to-top{display:none}
      .float-kefu .kefu-box{display:none}
    }