.ty-bg-grid {
    position: fixed;
    inset: 0;
    background-image:
      linear-gradient(rgba(30, 100, 200, 0.06) 1px, transparent 1px),
      linear-gradient(90deg, rgba(30, 100, 200, 0.06) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 0;
    pointer-events: none;
  }
  .ty-glow-bottom {
    position: fixed;
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 1000px;
    height: 320px;
    background: radial-gradient(ellipse, rgba(30, 90, 200, 0.4) 0%, rgba(10, 40, 120, 0.18) 50%, transparent 80%);
    z-index: 0;
    pointer-events: none;
  }
  #ty-network-canvas {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 45%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.7;
  }
  .ty-particles { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
  .ty-particle {
    position: absolute;
    border-radius: 50%;
    background: rgba(80, 160, 255, 0.7);
    animation: tyFloat linear infinite;
  }
  @keyframes tyFloat {
    0%   { transform: translateY(100vh) scale(0); opacity: 0; }
    10%  { opacity: 1; }
    90%  { opacity: 0.4; }
    100% { transform: translateY(-20vh) scale(1); opacity: 0; }
  }
  .ty-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 4rem;
    animation: tyFadeUp 0.9s ease forwards;
    opacity: 0;
    transform: translateY(30px);
  }
  @keyframes tyFadeUp { to { opacity: 1; transform: translateY(0); } }
  .ty-check-wrapper {
    position: relative;
    width: 110px;
    height: 110px;
    margin: 0 auto 2rem;
  }
  .ty-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1.5px solid rgba(80, 160, 255, 0.35);
    animation: tyRingPulse 2.5s ease-in-out infinite;
  }
  .ty-ring:nth-child(2) { inset: -14px; animation-delay: 0.4s; opacity: 0.35; }
  .ty-ring:nth-child(3) { inset: -28px; animation-delay: 0.8s; opacity: 0.18; }
  @keyframes tyRingPulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50%       { transform: scale(1.04); opacity: 1; }
  }
  .ty-check-circle {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, #4aa3f5, #1a5fcc);
    box-shadow:
      0 0 0 2px rgba(255,255,255,0.08),
      0 0 30px rgba(50, 130, 230, 0.6),
      0 0 70px rgba(50, 130, 230, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: tyCheckPop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.3s both;
    z-index: 1;
  }
  @keyframes tyCheckPop {
    from { transform: scale(0); }
    to   { transform: scale(1); }
  }
  .ty-check-circle svg {
    width: 46px; height: 46px;
    stroke: #fff; stroke-width: 3;
    fill: none; stroke-linecap: round; stroke-linejoin: round;
  }
  .ty-check-path {
    stroke-dasharray: 65;
    stroke-dashoffset: 65;
    animation: tyDrawCheck 0.5s ease 0.85s forwards;
  }
  @keyframes tyDrawCheck { to { stroke-dashoffset: 0; } }

  h1.ty-title {
    font-size: clamp(2.2rem, 7vw, 3.2rem);
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -1px;
    margin-bottom: 0.55rem;
    line-height: 1.1;
  }
  .ty-subtitle {
    font-size: 1rem;
    color: #4dabf7;
    margin-bottom: 1.4rem;
    letter-spacing: 0.2px;
  }
  .ty-divider {
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #3a8fef, transparent);
    margin: 0 auto 1.4rem;
  }
  .ty-message {
    font-size: 0.93rem;
    color: rgba(180, 210, 255, 0.72);
    line-height: 1.85;
    max-width: 300px;
    margin: 0 auto 2.5rem;
  }
  .ty-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 0.9rem 2.1rem;
    background: transparent;
    border: 1.5px solid rgba(80, 160, 255, 0.5);
    color: #ffffff;
    font-family: 'Inter', sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
  }
  .ty-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(80,160,255,0.12), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s ease;
  }
  .ty-btn:hover::before { transform: translateX(100%); }
  .ty-btn:hover {
    border-color: rgba(80, 160, 255, 0.9);
    box-shadow: 0 0 22px rgba(50, 130, 230, 0.35);
    color: #7ec8ff;
  }
  .ty-btn svg {
    width: 15px; height: 15px;
    stroke: currentColor; fill: none;
    stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round;
    transition: transform 0.3s ease;
  }
  .ty-btn:hover svg { transform: translateX(5px); }