:root{
      --bg0:#0b1020;
      --bg1:#070b16;
      --card: rgba(255,255,255,.06);
      --card2: rgba(255,255,255,.08);
      --stroke: rgba(255,255,255,.12);
      --stroke2: rgba(255,255,255,.18);
      --text:#0c1222;
      --text2:#27324a;
      --muted:#5a6a88;
      --muted2:#7d8aa7;
      --white:#ffffff;
      --ink:#0f172a;
      --warm:#f7f2e7;
      --link:#1f6fff;
      --shadow: 0 10px 30px rgba(15,23,42,.14);
      --shadow2: 0 18px 50px rgba(15,23,42,.18);
      --radius: 18px;
      --radius2: 24px;
      --container: 1120px;
      --padX: 20px;
      --accent1:#7c3aed;
      --accent2:#22d3ee;
      --accent3:#f97316;
      --accent4:#a3ff12;
      --accent5:#60a5fa;
      --neon: rgba(34,211,238,.45);
      --neon2: rgba(124,58,237,.45);
      --focus: 0 0 0 4px rgba(34,211,238,.20), 0 0 0 1px rgba(34,211,238,.35) inset;
    }

    *{ box-sizing:border-box; }
    html{ scroll-behavior:smooth; }
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color: var(--ink);
      background:
        radial-gradient(900px 500px at 10% -10%, rgba(124,58,237,.18), transparent 55%),
        radial-gradient(700px 420px at 90% 0%, rgba(34,211,238,.16), transparent 55%),
        radial-gradient(900px 600px at 50% 30%, rgba(249,115,22,.10), transparent 60%),
        linear-gradient(180deg, #f7f8ff 0%, #ffffff 45%, #f7f8ff 100%);
      overflow-x:hidden;
    }

    a{ color: inherit; text-decoration:none; }
    button, input, select, textarea{ font: inherit; }
    img{ display:block; max-width:100%; height:auto; }

    .container{
      max-width: var(--container);
      margin: 0 auto;
      padding: 0 var(--padX);
    }

    .skip-link{
      position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip-link:focus{
      left: 16px; top: 16px; width:auto; height:auto; z-index:9999;
      background:#fff; color:#111; padding:10px 14px; border-radius:12px; box-shadow: var(--shadow);
      outline:none;
    }

    header{
      position: sticky;
      top: 0;
      z-index: 60;
      background: rgba(247,248,255,.72);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(15,23,42,.08);
    }

    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 14px;
      padding: 12px 0;
    }

    .brand{
      display:flex;
      align-items:center;
      gap: 12px;
      min-width: 180px;
    }
    .brand .logo{
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background:
        radial-gradient(14px 14px at 25% 25%, rgba(34,211,238,.35), transparent 55%),
        radial-gradient(18px 18px at 80% 20%, rgba(124,58,237,.35), transparent 55%),
        linear-gradient(135deg, rgba(124,58,237,.16), rgba(34,211,238,.12));
      border: 1px solid rgba(15,23,42,.10);
      box-shadow: 0 12px 30px rgba(124,58,237,.10);
      display:flex;
      align-items:center;
      justify-content:center;
      overflow:hidden;
    }
    .brand .logo img{ width: 72%; height:auto; }
    .brand .name{
      display:flex;
      flex-direction:column;
      line-height:1.15;
    }
    .brand .name strong{
      font-size: 14px;
      letter-spacing: .2px;
    }
    .brand .name span{
      font-size: 12px;
      color: var(--muted);
    }

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

    .nav-links{
      display:flex;
      align-items:center;
      gap: 14px;
      flex-wrap: wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      font-size: 13px;
      color: rgba(15,23,42,.78);
      padding: 8px 10px;
      border-radius: 12px;
      border: 1px solid transparent;
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      border-color: rgba(34,211,238,.25);
      background: rgba(34,211,238,.08);
      transform: translateY(-1px);
    }

    .primary-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap: 10px;
      padding: 10px 14px;
      border-radius: 14px;
      border: 1px solid rgba(15,23,42,.10);
      background:
        linear-gradient(135deg, rgba(124,58,237,.18), rgba(34,211,238,.14)),
        #ffffff;
      color: #0b1220;
      box-shadow: 0 18px 40px rgba(124,58,237,.10);
      transition: transform .15s ease, box-shadow .2s ease, border-color .15s ease;
      font-weight: 650;
      font-size: 13px;
      cursor:pointer;
      user-select:none;
    }
    .primary-btn:hover{
      transform: translateY(-1px);
      border-color: rgba(34,211,238,.35);
      box-shadow: 0 20px 55px rgba(34,211,238,.16);
    }
    .primary-btn:active{ transform: translateY(0px); }
    .primary-btn:focus{ outline:none; box-shadow: var(--focus); }

    .ghost-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding: 10px 12px;
      border-radius: 14px;
      border: 1px solid rgba(15,23,42,.12);
      background: rgba(255,255,255,.55);
      color: rgba(15,23,42,.86);
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
      font-weight: 600;
      font-size: 13px;
      cursor:pointer;
      user-select:none;
      white-space:nowrap;
    }
    .ghost-btn:hover{
      transform: translateY(-1px);
      border-color: rgba(124,58,237,.25);
      background: rgba(124,58,237,.08);
    }
    .ghost-btn:focus{ outline:none; box-shadow: var(--focus); }

    .mobile-toggle{
      display:none;
      width: 44px; height: 44px;
      border-radius: 14px;
      border: 1px solid rgba(15,23,42,.12);
      background: rgba(255,255,255,.7);
      cursor:pointer;
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
      align-items:center;
      justify-content:center;
    }
    .mobile-toggle:hover{ transform: translateY(-1px); border-color: rgba(34,211,238,.3); background: rgba(34,211,238,.10); }
    .mobile-toggle:focus{ outline:none; box-shadow: var(--focus); }

    .burger{
      width: 18px; height: 12px; position:relative;
    }
    .burger span{
      position:absolute; left:0; right:0;
      height:2px; border-radius:999px;
      background: rgba(15,23,42,.78);
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .burger span:nth-child(1){ top:0; }
    .burger span:nth-child(2){ top:5px; }
    .burger span:nth-child(3){ top:10px; }
    .mobile-toggle[aria-expanded="true"] .burger span:nth-child(1){ top:5px; transform: rotate(45deg); }
    .mobile-toggle[aria-expanded="true"] .burger span:nth-child(2){ opacity:0; }
    .mobile-toggle[aria-expanded="true"] .burger span:nth-child(3){ top:5px; transform: rotate(-45deg); }

    .mobile-menu{
      display:none;
      padding: 10px 0 16px;
    }
    .mobile-menu .grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    .mobile-menu a{
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.68);
      padding: 10px 12px;
      border-radius: 14px;
      font-size: 13px;
      color: rgba(15,23,42,.86);
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .mobile-menu a:hover{
      transform: translateY(-1px);
      border-color: rgba(34,211,238,.32);
      background: rgba(34,211,238,.09);
    }

    .hero{
      position:relative;
      padding: 34px 0 14px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 18px;
      align-items: stretch;
    }
    .hero-card{
      border-radius: var(--radius2);
      border: 1px solid rgba(15,23,42,.10);
      background:
        radial-gradient(700px 420px at 20% 10%, rgba(124,58,237,.20), transparent 55%),
        radial-gradient(520px 340px at 86% 22%, rgba(34,211,238,.18), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.74), rgba(255,255,255,.54));
      box-shadow: var(--shadow);
      padding: 22px;
      overflow:hidden;
      position:relative;
      min-height: 330px;
    }

    .hero-card::before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(220px 140px at 8% 20%, rgba(34,211,238,.26), transparent 60%),
        radial-gradient(260px 160px at 85% 15%, rgba(124,58,237,.26), transparent 60%),
        radial-gradient(220px 160px at 70% 80%, rgba(249,115,22,.14), transparent 62%);
      filter: blur(12px);
      opacity: .9;
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      z-index:1;
      height:100%;
      display:flex;
      flex-direction:column;
      gap: 14px;
      justify-content:space-between;
    }

    .pill-row{
      display:flex;
      flex-wrap:wrap;
      gap: 10px;
      align-items:center;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap: 8px;
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.65);
      color: rgba(15,23,42,.84);
      font-size: 12px;
      font-weight: 650;
      letter-spacing:.1px;
      user-select:none;
      white-space:nowrap;
    }
    .dot{
      width: 10px; height: 10px;
      border-radius: 999px;
      background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.9), rgba(255,255,255,0) 55%), linear-gradient(135deg, var(--accent2), var(--accent1));
      box-shadow: 0 0 0 4px rgba(34,211,238,.10);
    }

    h1{
      margin: 0;
      font-size: clamp(26px, 3.2vw, 40px);
      letter-spacing: -0.6px;
      line-height:1.15;
      color: #0b1324;
    }
    .hero-sub{
      margin:0;
      color: rgba(15,23,42,.72);
      font-size: 14px;
      line-height:1.7;
      max-width: 62ch;
    }

    .hero-cta{
      display:flex;
      gap: 12px;
      flex-wrap: wrap;
      align-items:center;
    }

    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap: 10px;
      align-items:center;
      margin-top: 6px;
    }

    .badge{
      display:inline-flex;
      align-items:center;
      gap: 8px;
      padding: 10px 12px;
      border-radius: 16px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.62);
      box-shadow: 0 10px 30px rgba(15,23,42,.06);
      min-width: 160px;
    }
    .badge strong{
      font-size: 14px;
      letter-spacing:.1px;
    }
    .badge span{
      font-size: 12px;
      color: var(--muted);
    }
    .badge .ic{
      width: 34px; height: 34px;
      border-radius: 14px;
      border: 1px solid rgba(15,23,42,.10);
      background:
        radial-gradient(16px 16px at 30% 25%, rgba(255,255,255,.95), rgba(255,255,255,0) 58%),
        linear-gradient(135deg, rgba(124,58,237,.18), rgba(34,211,238,.12));
      display:flex;
      align-items:center;
      justify-content:center;
      color:#0b1220;
      flex: 0 0 auto;
    }

    .hero-side{
      border-radius: var(--radius2);
      border: 1px solid rgba(15,23,42,.10);
      background:
        linear-gradient(180deg, rgba(255,255,255,.70), rgba(255,255,255,.52));
      box-shadow: var(--shadow);
      padding: 18px;
      overflow:hidden;
      position:relative;
      min-height: 330px;
    }
    .hero-side::after{
      content:"";
      position:absolute;
      inset:-40px -60px auto auto;
      width: 220px;
      height: 220px;
      background: radial-gradient(circle at 30% 30%, rgba(34,211,238,.30), rgba(124,58,237,.18) 55%, transparent 70%);
      filter: blur(10px);
      opacity: .95;
      pointer-events:none;
    }

    .side-inner{
      position:relative;
      z-index:1;
      display:flex;
      flex-direction:column;
      gap: 14px;
      height: 100%;
    }
    .side-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 10px;
    }
    .side-top h2{
      margin:0;
      font-size: 16px;
      letter-spacing:-.2px;
      color:#0b1324;
    }
    .side-top p{
      margin: 6px 0 0;
      color: rgba(15,23,42,.68);
      font-size: 13px;
      line-height:1.6;
    }

    .data-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 4px;
    }
    .data-card{
      border-radius: 16px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.64);
      padding: 12px 12px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
    }
    .data-card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 45px rgba(15,23,42,.12);
      border-color: rgba(34,211,238,.25);
    }
    .data-card .k{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
    }
    .data-card .num{
      font-weight: 800;
      font-size: 18px;
      letter-spacing:-.3px;
      color:#0b1324;
    }
    .data-card .tag{
      font-size: 12px;
      color: var(--muted);
      white-space:nowrap;
    }
    .data-card .sub{
      margin-top: 6px;
      font-size: 12px;
      color: rgba(15,23,42,.70);
      line-height:1.5;
    }
    .spark{
      position:absolute;
      right:-40px; top:-50px;
      width: 120px; height: 120px;
      border-radius: 50%;
      background: radial-gradient(circle at 40% 40%, rgba(34,211,238,.20), transparent 60%);
      filter: blur(2px);
      opacity:.9;
      pointer-events:none;
    }

    .side-actions{
      margin-top:auto;
      display:flex;
      flex-direction:column;
      gap: 10px;
    }
    .inline-link{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 12px;
      padding: 12px 12px;
      border-radius: 16px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.60);
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .inline-link:hover{
      transform: translateY(-1px);
      border-color: rgba(124,58,237,.25);
      background: rgba(124,58,237,.08);
    }
    .inline-link strong{
      font-size: 13px;
      color:#0b1324;
    }
    .inline-link span{
      font-size: 12px;
      color: var(--muted);
    }
    .inline-link .arr{
      width: 30px; height: 30px;
      border-radius: 12px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.65);
      display:flex;
      align-items:center;
      justify-content:center;
      color: rgba(15,23,42,.82);
      flex: 0 0 auto;
    }

    main{
      padding: 10px 0 36px;
    }

    section{
      padding: 26px 0;
    }

    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap: 14px;
      margin-bottom: 14px;
    }
    .section-head h2{
      margin:0;
      font-size: 22px;
      letter-spacing:-.4px;
      color:#0b1324;
    }
    .section-head p{
      margin:0;
      color: rgba(15,23,42,.70);
      font-size: 13px;
      line-height:1.6;
      max-width: 60ch;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }
    .grid-2{
      display:grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }
    .grid-4{
      display:grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
    }

    .card{
      border-radius: var(--radius);
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.68);
      box-shadow: 0 18px 50px rgba(15,23,42,.06);
      padding: 16px;
      position:relative;
      overflow:hidden;
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
    }
    .card:hover{
      transform: translateY(-2px);
      border-color: rgba(34,211,238,.25);
      box-shadow: 0 22px 70px rgba(15,23,42,.10);
    }
    .card .h{
      display:flex;
      align-items:flex-start;
      gap: 12px;
      margin-bottom: 10px;
    }
    .icon-bubble{
      width: 42px; height: 42px;
      border-radius: 16px;
      border: 1px solid rgba(15,23,42,.10);
      background:
        radial-gradient(18px 18px at 30% 25%, rgba(255,255,255,.95), rgba(255,255,255,0) 60%),
        linear-gradient(135deg, rgba(124,58,237,.18), rgba(34,211,238,.12));
      display:flex;
      align-items:center;
      justify-content:center;
      color:#0b1324;
      flex: 0 0 auto;
    }
    .card h3{
      margin:0;
      font-size: 15px;
      letter-spacing:-.2px;
      color:#0b1324;
    }
    .card p{
      margin: 6px 0 0;
      color: rgba(15,23,42,.70);
      font-size: 13px;
      line-height:1.7;
    }

    .list{
      margin: 10px 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(15,23,42,.78);
      font-size: 13px;
      line-height:1.6;
    }
    .check{
      width: 18px; height: 18px;
      border-radius: 6px;
      border: 1px solid rgba(15,23,42,.12);
      background: rgba(34,211,238,.10);
      display:flex;
      align-items:center;
      justify-content:center;
      flex: 0 0 auto;
      margin-top: 2px;
      color:#0b1324;
    }

    .step{
      display:flex;
      gap: 12px;
      align-items:flex-start;
    }
    .step-num{
      width: 40px; height: 40px;
      border-radius: 16px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.65);
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight: 850;
      color:#0b1324;
      box-shadow: 0 14px 40px rgba(34,211,238,.08);
      flex: 0 0 auto;
      position:relative;
      overflow:hidden;
    }
    .step-num::after{
      content:"";
      position:absolute;
      inset:-20px;
      background: radial-gradient(circle at 30% 30%, rgba(34,211,238,.25), transparent 60%);
      filter: blur(8px);
      opacity:.9;
    }
    .step-content h3{
      margin: 0;
      font-size: 15px;
      letter-spacing:-.2px;
      color:#0b1324;
    }
    .step-content p{
      margin: 6px 0 0;
      color: rgba(15,23,42,.70);
      font-size: 13px;
      line-height:1.7;
    }

    .compare-wrap{
      border-radius: var(--radius2);
      border: 1px solid rgba(15,23,42,.10);
      background:
        radial-gradient(600px 380px at 10% 0%, rgba(124,58,237,.12), transparent 55%),
        radial-gradient(520px 320px at 92% 10%, rgba(34,211,238,.14), transparent 55%),
        rgba(255,255,255,.65);
      box-shadow: var(--shadow);
      padding: 16px;
      overflow:hidden;
    }

    .compare-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 12px;
      margin-bottom: 12px;
      flex-wrap:wrap;
    }
    .rating-badge{
      display:flex;
      align-items:center;
      gap: 12px;
      border-radius: 18px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.68);
      padding: 10px 12px;
    }
    .rating-stars{
      font-size: 16px;
      letter-spacing:.2px;
      color: #f59e0b;
      text-shadow: 0 10px 26px rgba(245,158,11,.22);
    }
    .rating-meta strong{
      display:block;
      font-size: 14px;
      color:#0b1324;
      letter-spacing:-.2px;
    }
    .rating-meta span{
      display:block;
      font-size: 12px;
      color: var(--muted);
      margin-top: 2px;
    }

    table{
      width: 100%;
      border-collapse: collapse;
      overflow:hidden;
      border-radius: 16px;
    }
    th, td{
      border-bottom: 1px solid rgba(15,23,42,.10);
      padding: 12px 10px;
      text-align:left;
      vertical-align:top;
      font-size: 13px;
      color: rgba(15,23,42,.78);
    }
    th{
      font-size: 13px;
      color: rgba(15,23,42,.86);
      background: rgba(255,255,255,.55);
      border-top: 1px solid rgba(15,23,42,.10);
    }
    .t-center{ text-align:center; }
    .t-strong{ color:#0b1324; font-weight: 750; }
    .pill2{
      display:inline-flex;
      align-items:center;
      gap: 8px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.6);
      padding: 8px 10px;
      border-radius: 999px;
      font-size: 12px;
      color: rgba(15,23,42,.78);
      white-space:nowrap;
    }
    .pill2 .mini{
      width: 10px; height:10px; border-radius: 999px;
      background: linear-gradient(135deg, var(--accent2), var(--accent1));
      box-shadow: 0 0 0 4px rgba(34,211,238,.10);
    }

    .compare-note{
      margin-top: 10px;
      display:flex;
      gap: 10px;
      align-items:flex-start;
      color: rgba(15,23,42,.72);
      font-size: 13px;
      line-height:1.7;
    }
    .compare-note .sparkline{
      width: 10px; height: 10px; border-radius: 4px;
      background: rgba(34,211,238,.20);
      box-shadow: 0 0 0 4px rgba(34,211,238,.10);
      margin-top: 6px;
      flex: 0 0 auto;
    }

    .timeline{
      display:flex;
      flex-direction:column;
      gap: 12px;
    }
    .time-item{
      display:flex;
      gap: 12px;
      align-items:flex-start;
      border-radius: 16px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.66);
      padding: 14px;
      transition: transform .18s ease, border-color .18s ease;
    }
    .time-item:hover{ transform: translateY(-2px); border-color: rgba(124,58,237,.22); }
    .time-dot{
      width: 14px; height: 14px;
      border-radius: 5px;
      background: linear-gradient(135deg, rgba(124,58,237,.55), rgba(34,211,238,.55));
      box-shadow: 0 0 0 4px rgba(124,58,237,.12);
      margin-top: 5px;
      flex:0 0 auto;
    }
    .time-content strong{
      display:block;
      font-size: 14px;
      color:#0b1324;
      letter-spacing:-.2px;
    }
    .time-content span{
      display:block;
      margin-top: 6px;
      font-size: 13px;
      color: rgba(15,23,42,.70);
      line-height:1.7;
    }

    .tabs{
      display:flex;
      gap: 10px;
      flex-wrap:wrap;
      align-items:center;
      margin-bottom: 10px;
    }
    .tab{
      padding: 10px 12px;
      border-radius: 999px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.62);
      color: rgba(15,23,42,.78);
      font-weight: 700;
      font-size: 13px;
      cursor:pointer;
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
      user-select:none;
    }
    .tab:hover{ transform: translateY(-1px); border-color: rgba(34,211,238,.28); background: rgba(34,211,238,.09); }
    .tab[aria-selected="true"]{
      border-color: rgba(34,211,238,.38);
      background:
        linear-gradient(135deg, rgba(34,211,238,.16), rgba(124,58,237,.12)),
        rgba(255,255,255,.70);
      color:#0b1324;
      box-shadow: 0 16px 40px rgba(34,211,238,.12);
    }

    .case-grid{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 14px;
    }
    .case-card{
      padding: 14px;
    }
    .case-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 10px;
      margin-bottom: 10px;
    }
    .case-top .type{
      display:inline-flex;
      align-items:center;
      gap: 8px;
      font-size: 12px;
      color: rgba(15,23,42,.72);
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.62);
      padding: 8px 10px;
      border-radius: 999px;
      white-space:nowrap;
    }
    .case-top .type i{
      width: 10px; height:10px;
      border-radius: 4px;
      background: linear-gradient(135deg, var(--accent3), var(--accent1));
      box-shadow: 0 0 0 4px rgba(249,115,22,.12);
      display:inline-block;
    }
    .case-card h3{ margin:0; font-size: 15px; color:#0b1324; letter-spacing:-.2px; }
    .case-card .desc{ margin: 8px 0 0; color: rgba(15,23,42,.70); font-size: 13px; line-height:1.7; }
    .case-bottom{
      margin-top: 12px;
      display:flex;
      gap: 8px;
      flex-wrap:wrap;
      align-items:center;
    }

    .section-surface{
      background:
        radial-gradient(800px 420px at 20% 0%, rgba(124,58,237,.10), transparent 58%),
        radial-gradient(620px 340px at 86% 10%, rgba(34,211,238,.12), transparent 55%),
        rgba(255,255,255,.40);
      border-top: 1px solid rgba(15,23,42,.06);
      border-bottom: 1px solid rgba(15,23,42,.06);
    }

    .form{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 12px;
    }
    .field{
      display:flex;
      flex-direction:column;
      gap: 8px;
    }
    .field.full{ grid-column: 1 / -1; }
    label{
      font-size: 13px;
      color: rgba(15,23,42,.78);
      font-weight: 700;
      letter-spacing: .1px;
    }
    input, select, textarea{
      border: 1px solid rgba(15,23,42,.14);
      background: rgba(255,255,255,.74);
      border-radius: 14px;
      padding: 12px 12px;
      font-size: 14px;
      color:#0b1324;
      transition: box-shadow .15s ease, border-color .15s ease, transform .15s ease;
      outline: none;
    }
    textarea{ min-height: 108px; resize: vertical; }
    input:focus, select:focus, textarea:focus{
      border-color: rgba(34,211,238,.40);
      box-shadow: var(--focus);
    }
    .form-actions{
      grid-column: 1 / -1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 12px;
      flex-wrap:wrap;
      margin-top: 4px;
    }
    .fineprint{
      color: rgba(15,23,42,.62);
      font-size: 12px;
      line-height:1.6;
      max-width: 56ch;
    }
    .success{
      display:none;
      padding: 10px 12px;
      border-radius: 14px;
      border: 1px solid rgba(34,211,238,.30);
      background: rgba(34,211,238,.10);
      color: rgba(15,23,42,.84);
      font-weight: 700;
      font-size: 13px;
      width: 100%;
    }

    details{
      border-radius: 16px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.64);
      padding: 12px 14px;
      transition: border-color .18s ease, transform .18s ease;
    }
    details[open]{ border-color: rgba(34,211,238,.28); }
    details:hover{ transform: translateY(-1px); }
    summary{
      cursor:pointer;
      list-style:none;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 12px;
      font-weight: 800;
      color:#0b1324;
      letter-spacing:-.2px;
      font-size: 14px;
      padding-right: 10px;
    }
    summary::-webkit-details-marker{ display:none; }
    .chev{
      width: 28px; height: 28px;
      border-radius: 12px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.62);
      display:flex;
      align-items:center;
      justify-content:center;
      color: rgba(15,23,42,.82);
      flex: 0 0 auto;
      transition: transform .18s ease;
      margin-top: -2px;
    }
    details[open] .chev{ transform: rotate(180deg); }
    .faq-body{
      margin-top: 10px;
      color: rgba(15,23,42,.72);
      font-size: 13px;
      line-height:1.8;
      padding-left: 2px;
    }

    .comments{
      display:grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }
    .comment{
      padding: 16px;
    }
    .comment .who{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 10px;
      margin-bottom: 10px;
    }
    .avatar{
      width: 40px; height: 40px;
      border-radius: 16px;
      border: 1px solid rgba(15,23,42,.10);
      background:
        radial-gradient(18px 18px at 30% 25%, rgba(255,255,255,.95), rgba(255,255,255,0) 60%),
        linear-gradient(135deg, rgba(124,58,237,.18), rgba(34,211,238,.12));
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight: 900;
      color:#0b1324;
      flex:0 0 auto;
    }
    .comment .who strong{ display:block; font-size: 14px; color:#0b1324; }
    .comment .who span{ display:block; margin-top: 2px; font-size: 12px; color: var(--muted); }
    .comment .quote{
      margin:0;
      color: rgba(15,23,42,.72);
      font-size: 13px;
      line-height:1.8;
    }

    .article-list{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 14px;
      align-items: start;
    }
    .article-main .row{
      display:flex;
      flex-direction:column;
      gap: 10px;
    }
    .article-item{
      display:flex;
      gap: 12px;
      align-items:flex-start;
      padding: 14px;
      border-radius: 16px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.64);
      transition: transform .18s ease, border-color .18s ease;
      cursor:pointer;
    }
    .article-item:hover{ transform: translateY(-2px); border-color: rgba(34,211,238,.25); }
    .article-item .num{
      width: 34px; height: 34px;
      border-radius: 14px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.65);
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight: 850;
      color:#0b1324;
      flex:0 0 auto;
    }
    .article-item h3{
      margin:0;
      font-size: 14px;
      letter-spacing:-.2px;
      color:#0b1324;
    }
    .article-item p{
      margin: 6px 0 0;
      font-size: 13px;
      color: rgba(15,23,42,.70);
      line-height:1.7;
    }
    .article-side .mini-cards{
      display:flex;
      flex-direction:column;
      gap: 12px;
    }
    .mini-card{
      padding: 16px;
    }
    .mini-card h3{ margin:0; font-size: 14px; color:#0b1324; }
    .mini-card .mut{ margin: 8px 0 0; color: rgba(15,23,42,.70); font-size: 13px; line-height:1.7; }
    .tags{
      display:flex;
      flex-wrap:wrap;
      gap: 8px;
      margin-top: 12px;
    }
    .tagchip{
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.62);
      color: rgba(15,23,42,.78);
      font-size: 12px;
      font-weight: 700;
      user-select:none;
    }

    .network{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items: start;
    }
    .network-map{
      border-radius: var(--radius2);
      border: 1px solid rgba(15,23,42,.10);
      background:
        radial-gradient(520px 320px at 20% 20%, rgba(34,211,238,.14), transparent 62%),
        radial-gradient(520px 320px at 80% 20%, rgba(124,58,237,.12), transparent 62%),
        rgba(255,255,255,.62);
      padding: 16px;
      overflow:hidden;
      position:relative;
      min-height: 240px;
      box-shadow: var(--shadow);
    }
    .map-grid{
      display:grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 6px;
      margin-top: 12px;
      position:relative;
      z-index:1;
    }
    .map-node{
      height: 10px;
      border-radius: 5px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.60);
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
    }
    .map-node.hot{
      background: rgba(34,211,238,.18);
      border-color: rgba(34,211,238,.30);
      box-shadow: 0 16px 45px rgba(34,211,238,.14);
    }
    .map-node.hot2{
      background: rgba(124,58,237,.16);
      border-color: rgba(124,58,237,.28);
      box-shadow: 0 16px 45px rgba(124,58,237,.12);
    }
    .network-map .map-title{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 12px;
    }
    .network-map h3{
      margin:0;
      color:#0b1324;
      font-size: 15px;
      letter-spacing:-.2px;
    }
    .network-map p{
      margin: 8px 0 0;
      color: rgba(15,23,42,.70);
      font-size: 13px;
      line-height:1.7;
      max-width: 52ch;
    }

    .server-list{
      display:flex;
      flex-direction:column;
      gap: 12px;
    }
    .server-item{
      display:flex;
      gap: 12px;
      align-items:flex-start;
      padding: 14px;
      border-radius: 16px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.64);
      transition: transform .18s ease, border-color .18s ease;
    }
    .server-item:hover{ transform: translateY(-2px); border-color: rgba(34,211,238,.25); }
    .server-item .mark{
      width: 40px; height: 40px;
      border-radius: 16px;
      border: 1px solid rgba(15,23,42,.10);
      background:
        radial-gradient(18px 18px at 30% 25%, rgba(255,255,255,.95), rgba(255,255,255,0) 60%),
        linear-gradient(135deg, rgba(34,211,238,.16), rgba(124,58,237,.12));
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight: 900;
      color:#0b1324;
      flex:0 0 auto;
    }
    .server-item strong{
      display:block;
      color:#0b1324;
      font-size: 14px;
      letter-spacing:-.2px;
    }
    .server-item span{
      display:block;
      margin-top: 6px;
      color: rgba(15,23,42,.70);
      font-size: 13px;
      line-height:1.7;
    }

    .links-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }

    .link-card{
      padding: 16px;
    }
    .link-card h3{
      margin:0;
      font-size: 15px;
      color:#0b1324;
      letter-spacing:-.2px;
    }
    .link-card p{
      margin: 8px 0 0;
      color: rgba(15,23,42,.70);
      font-size: 13px;
      line-height:1.7;
    }
    .link-card .link-list{
      margin: 12px 0 0;
      display:flex;
      flex-wrap:wrap;
      gap: 10px;
    }
    .link-card .link-list a{
      font-size: 12px;
      font-weight: 750;
      padding: 9px 10px;
      border-radius: 999px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.62);
      color: rgba(15,23,42,.78);
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
      white-space:nowrap;
    }
    .link-card .link-list a:hover{
      transform: translateY(-1px);
      border-color: rgba(124,58,237,.24);
      background: rgba(124,58,237,.08);
    }

    .footer{
      background: #0b1324;
      color: rgba(255,255,255,.86);
      border-top: 1px solid rgba(255,255,255,.10);
      padding: 26px 0;
    }
    .footer .container{
      display:flex;
      flex-direction:column;
      gap: 14px;
    }
    .footer-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 16px;
      flex-wrap:wrap;
    }
    .footer-brand{
      display:flex;
      gap: 12px;
      align-items:flex-start;
      max-width: 520px;
    }
    .footer-brand .logo{
      width: 44px; height: 44px;
      border-radius: 16px;
      border: 1px solid rgba(255,255,255,.14);
      background:
        radial-gradient(18px 18px at 30% 25%, rgba(255,255,255,.22), rgba(255,255,255,0) 60%),
        linear-gradient(135deg, rgba(124,58,237,.22), rgba(34,211,238,.18));
      display:flex;
      align-items:center;
      justify-content:center;
      overflow:hidden;
      flex:0 0 auto;
    }
    .footer-brand .logo img{ width: 70%; }
    .footer-brand strong{
      display:block;
      font-size: 15px;
      letter-spacing:-.2px;
      color:#fff;
    }
    .footer-brand span{
      display:block;
      margin-top: 8px;
      color: rgba(255,255,255,.74);
      font-size: 13px;
      line-height:1.8;
    }

    .footer-links{
      display:flex;
      flex-direction:column;
      gap: 10px;
      min-width: 260px;
    }
    .footer-links .row{
      display:flex;
      gap: 10px;
      flex-wrap:wrap;
      align-items:center;
      justify-content:flex-start;
    }
    .footer-links a{
      color: rgba(255,255,255,.84);
      font-size: 13px;
      padding: 10px 12px;
      border-radius: 14px;
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.06);
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
      white-space:nowrap;
    }
    .footer-links a:hover{
      transform: translateY(-1px);
      border-color: rgba(34,211,238,.32);
      background: rgba(34,211,238,.10);
    }

    .footer-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 12px;
      flex-wrap:wrap;
      border-top: 1px solid rgba(255,255,255,.10);
      padding-top: 14px;
    }
    .footnote{
      color: rgba(255,255,255,.68);
      font-size: 12px;
      line-height:1.8;
    }
    .copy{
      color: rgba(255,255,255,.68);
      font-size: 12px;
    }

    .float-chat{
      position: fixed;
      right: 16px;
      bottom: 16px;
      z-index: 80;
      display:flex;
      gap: 10px;
      align-items:flex-end;
      flex-direction:column;
    }
    .chat-btn{
      display:flex;
      align-items:center;
      gap: 10px;
      padding: 12px 14px;
      border-radius: 18px;
      border: 1px solid rgba(15,23,42,.10);
      background:
        linear-gradient(135deg, rgba(34,211,238,.18), rgba(124,58,237,.14)),
        rgba(255,255,255,.84);
      box-shadow: 0 20px 55px rgba(15,23,42,.18);
      cursor:pointer;
      transition: transform .15s ease, border-color .15s ease;
      user-select:none;
      max-width: 220px;
    }
    .chat-btn:hover{ transform: translateY(-2px); border-color: rgba(34,211,238,.33); }
    .chat-btn:focus{ outline:none; box-shadow: var(--focus); }
    .chat-btn .miniic{
      width: 36px; height: 36px;
      border-radius: 16px;
      border: 1px solid rgba(15,23,42,.10);
      background:
        radial-gradient(16px 16px at 30% 25%, rgba(255,255,255,.95), rgba(255,255,255,0) 60%),
        linear-gradient(135deg, rgba(34,211,238,.18), rgba(124,58,237,.14));
      display:flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
    }
    .chat-btn strong{
      display:block;
      font-size: 13px;
      letter-spacing:-.2px;
      color:#0b1324;
    }
    .chat-btn span{
      display:block;
      margin-top: 2px;
      color: rgba(15,23,42,.66);
      font-size: 12px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width: 150px;
    }

    .qr-pop{
      display:none;
      border-radius: 18px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.92);
      box-shadow: 0 25px 80px rgba(15,23,42,.22);
      padding: 12px;
      width: 240px;
    }
    .qr-pop .top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 10px;
      margin-bottom: 10px;
    }
    .qr-pop .top strong{
      font-size: 13px; color:#0b1324;
    }
    .qr-pop .close{
      width: 36px; height: 36px;
      border-radius: 14px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
      cursor:pointer;
      transition: transform .15s ease, border-color .15s ease;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#0b1324;
    }
    .qr-pop .close:hover{ transform: translateY(-1px); border-color: rgba(124,58,237,.25); }
    .qr-pop img{
      width: 100%;
      border-radius: 14px;
      border: 1px solid rgba(15,23,42,.10);
      background: #fff;
    }
    .qr-pop .tip{
      margin-top: 8px;
      color: rgba(15,23,42,.70);
      font-size: 12px;
      line-height:1.6;
    }

    .to-top{
      position: fixed;
      left: 16px;
      bottom: 16px;
      z-index: 80;
      width: 44px; height: 44px;
      border-radius: 16px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.86);
      box-shadow: 0 20px 55px rgba(15,23,42,.18);
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:center;
      transition: transform .15s ease, opacity .2s ease;
      opacity: 0;
      pointer-events:none;
    }
    .to-top.show{
      opacity:1;
      pointer-events:auto;
    }
    .to-top:hover{ transform: translateY(-2px); }
    .to-top:focus{ outline:none; box-shadow: var(--focus); }

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

    @media (max-width: 980px){
      .hero-grid{ grid-template-columns: 1fr; }
      .hero-card, .hero-side{ min-height: unset; }
      .grid-3{ grid-template-columns: 1fr; }
      .grid-2{ grid-template-columns: 1fr; }
      .grid-4{ grid-template-columns: 1fr 1fr; }
      .case-grid{ grid-template-columns: 1fr; }
      .comments{ grid-template-columns: 1fr; }
      .article-list{ grid-template-columns: 1fr; }
      .network{ grid-template-columns: 1fr; }
      .links-grid{ grid-template-columns: 1fr; }
      .form{ grid-template-columns: 1fr; }
      th, td{ font-size: 12px; }
      table{ display:block; overflow:auto; }
    }
    @media (max-width: 860px){
      .nav-links{ display:none; }
      .mobile-toggle{ display:flex; }
      .mobile-menu{ display:block; }
      .mobile-menu[data-open="false"]{ display:none; }
      .mobile-menu[data-open="true"]{ display:block; }
    }