.dayan-menu-btn {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    border: none;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 6px 14px rgba(15, 23, 42, 0.18);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    cursor: pointer;
    transition: transform .08s ease, box-shadow .12s ease, background-color .12s ease;
  }

  .dayan-menu-btn i {
    font-size: 18px;
    color: var(--dayan-blue);
  }

  .dayan-menu-btn:hover {
    background: #ffffff;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.22);
  }

  .dayan-menu-btn:active {
    transform: translateY(1px) scale(0.97);
    box-shadow: 0 4px 10px rgba(15, 23, 42, 0.16);
  }

  .dayan-menu-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.35);
    opacity: 0;
    pointer-events: none;
    transition: opacity .18s ease-out;
    z-index: 30;
  }

  .dayan-menu-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 260px;
    max-width: 80%;
    background: #0E1E27;
    color: #fff;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.35);
    transform: translateX(100%);
    transition: transform .21s ease-out;
    z-index: 31;
    padding: 16px 14px;
    display: flex;
    flex-direction: column;
  }

  .dayan-menu-backdrop.is-open {
    opacity: 1;
    pointer-events: auto;
  }

  .dayan-menu-panel.is-open {
    transform: translateX(0%);
  }

  .dayan-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
  }

    .dayan-menu-title {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 600;
    }

    .dayan-menu-title .brand-dot {
      box-shadow: 0 0 0 3px rgba(43, 178, 168, 0.35);
    }
    
  .dayan-menu-close {
    width: 30px;
    height: 30px;
    border-radius: 999px;
    border: none;
    background: rgba(15, 23, 42, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #E2E8F0;
    padding: 0;
  }

  .dayan-menu-close i {
    font-size: 14px;
  }

  .dayan-menu-list {
    list-style: none;
    margin: 8px 0 0;
    padding: 0;
    font-size: 13px;
  }

  .dayan-menu-list a {
    color: inherit;
    text-decoration: none;
    display: block;
    width: 100%;
  }

  .dayan-menu-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 4px;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color .12s ease, transform .08s ease;
  }

  .dayan-menu-list li i {
    font-size: 16px;
    color: #38bdf8;
  }

  .dayan-menu-list li span {
    flex: 1;
  }

  .dayan-menu-list li:hover {
    background: rgba(15, 118, 110, 0.35);
    transform: translateX(-2px);
  }

  .dayan-menu-list li:active {
    transform: translateX(-1px) scale(0.98);
  }

  .dayan-menu-divider {
    margin: 4px 0 6px;
    padding: 0;
    height: 1px;
    border-radius: 999px;
    background: rgba(148, 163, 184, 0.45);
    cursor: default;
  }