* {box-sizing:border-box}

/* Slideshow container */
.slideshow-container {
  max-width: 1000px;
  position: relative;
  margin: auto;
}

/* Hide the images by default */
.mySlides {
  display: none;
}

/* Next & previous buttons */
.prev, .next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  color: white;
  font-weight: bold;
  font-size: 24px;
  transition: all 0.3s ease;
  border-radius: 50%;
  user-select: none;
  background-color: rgba(0, 0, 0, 0.5);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(255, 255, 255, 0.7);
  z-index: 2;
}

/* Position the "next button" to the right */
.next {
  right: 15px;
}

/* On hover, add a black background color with a little bit see-through */
.prev:hover, .next:hover {
  background-color: rgba(0, 0, 0, 0.8);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.4);
  border-color: white;
  width: 55px;
  height: 55px;
}

/* Caption text */
.text {
  color: #ffffff;
  background-color: #0000006a;
  font-size: 15px;
  padding: 8px 12px;
  position: absolute;
  bottom: 8px;
  width: 100%;
  text-align: center;
}

/* Number text (1/3 etc) */
.numbertext {
  color: #f2f2f2;
  font-size: 12px;
  padding: 8px 12px;
  position: absolute;
  top: 0;
}

/* The dots/bullets/indicators */
.dot {
  cursor: pointer;
  height: 15px;
  width: 15px;
  margin: 0 2px;
  background-color: #bbb;
  border-radius: 50%;
  display: inline-block;
  transition: background-color 0.6s ease;
}

.active, .dot:hover {
  background-color: #717171;
}

/* Fading animation */
.fade {
  animation-name: fade;
  animation-duration: 1.5s;
}

@keyframes fade {
  from {opacity: .4}
  to {opacity: 1}
}

/* 箭头图标本身的样式 */
.prev:after, .next:after {
  content: '';
  display: block;
  width: 12px;
  height: 12px;
  border: solid white;
  border-width: 3px 3px 0 0;
}

.prev:after {
  transform: rotate(-135deg);
  margin-left: 5px;
}

.next:after {
  transform: rotate(45deg);
  margin-right: 5px;
}

/* 可以添加一些投影让箭头更明显 */
.prev, .next {
  text-shadow: 0 0 3px rgba(0,0,0,0.3);
  box-shadow: 0 0 5px rgba(0,0,0,0.2);
}