/* ===== ÂÖ²¥ºËÐÄÑùʽ - ´ø c3d- ǰ׺·À³åÍ» ===== */

/* ÈÝÆ÷ */
.c3d-wrap {
  width: 600px;
  height: 380px;
  position: relative;
  perspective: 800px;
  -webkit-perspective: 800px;
}

.c3d-list {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
}

/* ¿¨Æ¬ */
.c3d-item {
  width: 400px;
  height: 280px;
  position: absolute;
  left: 50%;
  top: 50%;
  margin-left: -200px;
  margin-top: -140px;
  border-radius: 6px;
  overflow: hidden;
  transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  -webkit-transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.c3d-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  -webkit-object-fit: cover;
  display: block;
}

/* ״̬ */
.c3d-hidden {
  transform: translate3d(0, 0, -180px) scale(0.5);
  -webkit-transform: translate3d(0, 0, -180px) scale(0.5);
  opacity: 0;
  z-index: 0;
  pointer-events: none;
}

.c3d-prev-2 {
  transform: translate3d(-130px, -6px, -100px) rotateY(12deg) scale(0.78);
  -webkit-transform: translate3d(-130px, -6px, -100px) rotateY(12deg) scale(0.78);
  opacity: 0.55;
  z-index: 1;
}

.c3d-prev-1 {
  transform: translate3d(-65px, -3px, -50px) rotateY(6deg) scale(0.88);
  -webkit-transform: translate3d(-65px, -3px, -50px) rotateY(6deg) scale(0.88);
  opacity: 0.75;
  z-index: 2;
}

.c3d-active {
  transform: translate3d(0, 0, 0) rotateY(0) scale(1);
  -webkit-transform: translate3d(0, 0, 0) rotateY(0) scale(1);
  opacity: 1;
  z-index: 10;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.c3d-next-1 {
  transform: translate3d(65px, -3px, -50px) rotateY(-6deg) scale(0.88);
  -webkit-transform: translate3d(65px, -3px, -50px) rotateY(-6deg) scale(0.88);
  opacity: 0.75;
  z-index: 2;
}

.c3d-next-2 {
  transform: translate3d(130px, -6px, -100px) rotateY(-12deg) scale(0.78);
  -webkit-transform: translate3d(130px, -6px, -100px) rotateY(-12deg) scale(0.78);
  opacity: 0.55;
  z-index: 1;
}

/* ¼ýÍ· */
.c3d-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  width: 36px;
  height: 36px;

  color: #1455ae;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 72px;
  font-weight: bold;
  transition: all 0.3s ease;
  -webkit-transition: all 0.3s ease;
  z-index: 20;
  user-select: none;
  -webkit-user-select: none;
}

.c3d-arrow:hover {
  transform: translateY(-50%) scale(1.1);
  -webkit-transform: translateY(-50%) scale(1.1);
}

.c3d-arrow-prev { left: 8px; }
.c3d-arrow-next { right: 8px; }

/* Ô²µã */
.c3d-dots {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 20;
}

.c3d-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: all 0.4s ease;
  -webkit-transition: all 0.4s ease;
}

.c3d-dot-active {
  background: #ffffff;
  transform: scale(1.3);
  -webkit-transform: scale(1.3);
  box-shadow: 0 0 16px rgba(255, 255, 255, 0.4);
}

.c3d-dot:hover {
  background: rgba(255, 255, 255, 0.7);
  transform: scale(1.15);
  -webkit-transform: scale(1.15);
}

/* ¿Õ״̬ */
.c3d-empty {
  color: #fff;
  text-align: center;
  padding: 40px;
  font-size: 18px;
}