.nav-list > li > a,
.nav-list .sub-menu li a {
    position: relative;
    overflow: hidden;
    transition: all 0.45s cubic-bezier(0.4, 0, 0.2, 1); /* 更丝滑的缓动 */
    border-radius: 6px;
}

/* 主菜单样式 */
.nav-list > li > a {
    padding: 10px 18px !important;
}

/* 子菜单样式 */
.nav-list .sub-menu li a {
    padding: 8px 20px !important;
    margin: 2px 4px;
    border-radius: 4px;
    font-size: 14.5px;
}

/* 扫光效果（主菜单） */
.nav-list > li > a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(30,136,229,0.18), transparent);
    transition: 0.7s;
}

/* 主菜单下划线 */
.nav-list > li > a::after {
    content: '';
    position: absolute;
    bottom: 24px;
    left: 48%;
    width: 0;
    height: 1px;
    background: linear-gradient(to right, #1E88E5, #42A5F5);
    transition: all 0.4s ease;
    transform: translateX(-50%);
}

/* 悬停效果 */
.nav-list > li > a:hover,
.nav-list .sub-menu li a:hover {
    color: #1E88E5 !important;
    background: rgba(30,136,229,0.09) !important;
    transform: scale(1.06);     /* 轻微放大 */
    animation: menuHeartbeat 1.1s ease-in-out;   /* 心跳往复 */
}

/* 心跳放大动画（类似Logo） */
@keyframes menuHeartbeat {
    0%   { transform: scale(1); }
    15%  { transform: scale(1.08); }
    30%  { transform: scale(1.02); }
    45%  { transform: scale(1.07); }
    70%  { transform: scale(1); }
    100% { transform: scale(1); }
}

/* 主菜单悬停动画 */
.nav-list > li > a:hover::before {
    left: 20%;
}

.nav-list > li > a:hover::after {
    width: 56%;
}

/* 子菜单悬停下划线 */
.nav-list .sub-menu li a::after {
    content: '';
    position: absolute;
    bottom: 6px;
    left: 48%;
    width: 0;
    height: 1px;
    background: #1E88E5;
    transition: all 0.45s cubic-bezier(0.4, 0, 0.2, 1); /* 更丝滑的缓动 */
    transform: translateX(-50%);
}

.nav-list .sub-menu li a:hover::after {
    width: 64%;
}