.csdn-new-user-gift-bubble-anchor {
      position: relative;
      display: block;
      float: left;
      flex: 0 0 0;
      width: 0;
      height: 48px;
      overflow: visible;
    }
    #csdn-new-user-gift-bubble.msg-bubble {
      position: absolute;
      top: 0;
      left: 0;
      z-index: 100;
      width: max-content; 
      padding: 10px;
      box-sizing: border-box;
      border: 1px solid #ffd4c8;
      border-radius: 10px;
      color: #1a1a1a;
      background: linear-gradient(180deg, #fff8f5 0%, #ffffff 55%);
      box-shadow: 0 8px 20px rgba(252, 85, 49, 0.16), 0 2px 6px rgba(0, 0, 0, 0.05);
      font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      text-align: left;
      cursor: pointer;
      animation:
        csdn-gift-bubble-in 0.4s cubic-bezier(0.2, 0.9, 0.2, 1.1) both,
        csdn-gift-bubble-attention 2.4s ease-in-out 0.45s infinite;
    }
    #csdn-new-user-gift-bubble.msg-bubble::before {
      content: "";
      position: absolute;
      top: -6px;
      left: var(--csdn-gift-bubble-arrow-left, 50%);
      width: 12px;
      height: 12px;
      background: #fff8f5;
      border-top: 1px solid #ffd4c8;
      border-left: 1px solid #ffd4c8;
      transform: translateX(-50%) rotate(45deg);
    }
    #csdn-new-user-gift-bubble.msg-bubble::after {
      content: "";
      position: absolute;
      inset: -2px;
      border-radius: 12px;
      pointer-events: none;
      animation: csdn-gift-bubble-ring 2.4s ease-out 0.45s infinite;
    }
    #csdn-new-user-gift-bubble .csdn-gift-bubble-row {
      position: relative;
      z-index: 1;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    #csdn-new-user-gift-bubble .csdn-gift-bubble-icon {
      display: flex;
      flex: 0 0 32px;
      width: 32px;
      height: 32px;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      font-size: 18px;
      line-height: 1;
      text-align: center;
      background: linear-gradient(145deg, #ffe8e0, #ffd0c2);
      transform-origin: 50% 80%;
      animation: csdn-gift-bubble-wiggle 1.6s ease-in-out infinite;
    }
    #csdn-new-user-gift-bubble .csdn-gift-bubble-body {
      display: flex;
      min-width: 0;
      flex-direction: column;
      gap: 2px;
      line-height: 1.3;
      text-align: left;
    }
    #csdn-new-user-gift-bubble .csdn-gift-bubble-title {
      color: #222;
      font-size: 12px;
      font-weight: 700;
    }
    #csdn-new-user-gift-bubble .csdn-gift-bubble-line {
      color: #555;
      font-size: 12px;
      white-space: nowrap;
    }
    #csdn-new-user-gift-bubble .csdn-gift-bubble-highlight {
      display: inline-block;
      color: #fc5531;
      font-size: 13px;
      font-weight: 800;
      margin: 0 4px;
      transform-origin: center;
      animation: csdn-gift-bubble-amount 1.5s ease-in-out infinite;
    }
    #csdn-new-user-gift-bubble .csdn-gift-bubble-close {
      position: absolute;
      top: 4px;
      right: 4px;
      z-index: 2;
      width: 18px;
      height: 18px;
      padding: 0;
      border: 0;
      border-radius: 50%;
      color: #b0b0b0;
      background: transparent;
      font-size: 14px;
      line-height: 18px;
      cursor: pointer;
    }
    #csdn-new-user-gift-bubble .csdn-gift-bubble-close:hover {
      color: #666;
      background: #f3f3f3;
    }
    @keyframes csdn-gift-bubble-in {
      0% { opacity: 0; transform: translateY(-8px) scale(0.94); }
      100% { opacity: 1; transform: translateY(0) scale(1); }
    }
    @keyframes csdn-gift-bubble-attention {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-2px); }
    }
    @keyframes csdn-gift-bubble-ring {
      0% { box-shadow: 0 0 0 0 rgba(252, 85, 49, 0.28); }
      70% { box-shadow: 0 0 0 8px rgba(252, 85, 49, 0); }
      100% { box-shadow: 0 0 0 0 rgba(252, 85, 49, 0); }
    }
    @keyframes csdn-gift-bubble-wiggle {
      0%, 100% { transform: rotate(0deg); }
      20% { transform: rotate(-8deg); }
      40% { transform: rotate(7deg); }
      60% { transform: rotate(-4deg); }
      80% { transform: rotate(3deg); }
    }
    @keyframes csdn-gift-bubble-amount {
      0%, 100% { transform: scale(1); }
      50% { transform: scale(1.08); }
    }