/* ===== Aozhong Features & Benefits Section ===== */
.az-features-section {
  width: 100%;
  padding: 40px 20px;
  font-family: Arial, Helvetica, sans-serif;
  box-sizing: border-box;
}

.az-features-container {
  max-width: 1180px;
  margin: 0 auto;
}

.az-section-head {
  max-width: 760px;
  margin-bottom: 46px;
}

.az-eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 13px;
  line-height: 1;
  letter-spacing: 2.2px;
  text-transform: uppercase;
  font-weight: 700;
  color: #cf1f2e;
}

.az-section-head h2 {
  margin: 0 0 16px;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.08;
  font-weight: 800;
  color: #101820;
}

.az-section-head p {
  margin: 0;
  font-size: 17px;
  line-height: 1.75;
  color: #5f6b76;
}

.az-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.az-feature-card {
  position: relative;
  overflow: hidden;
  min-height: 310px;
  padding: 34px 28px 32px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(16, 24, 32, 0.08);
  border-radius: 22px;
  box-shadow: 0 18px 45px rgba(16, 24, 32, 0.08);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  box-sizing: border-box;
}

/* 白光扫过效果 */
.az-feature-card::before {
  content: "";
  position: absolute;
  top: -40%;
  left: -90%;
  width: 65%;
  height: 180%;
  background: linear-gradient(
    115deg,
    transparent 0%,
    rgba(255, 255, 255, 0.15) 28%,
    rgba(255, 255, 255, 0.85) 50%,
    rgba(255, 255, 255, 0.12) 72%,
    transparent 100%
  );
  transform: rotate(10deg);
  transition: left 0.75s ease;
  pointer-events: none;
  z-index: 2;
}

.az-feature-card:hover::before {
  left: 125%;
}

.az-feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(207, 31, 46, 0.28);
  box-shadow: 0 28px 65px rgba(16, 24, 32, 0.16);
}

.az-feature-number {
  position: absolute;
  top: 24px;
  right: 26px;
  font-size: 46px;
  line-height: 1;
  font-weight: 800;
  color: rgba(16, 24, 32, 0.06);
  z-index: 1;
}

.az-feature-icon {
  width: 58px;
  height: 58px;
  margin-bottom: 28px;
  border-radius: 16px;
  background: linear-gradient(135deg, #cf1f2e, #8f111d);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 14px 30px rgba(207, 31, 46, 0.28);
  position: relative;
  z-index: 3;
}

.az-feature-icon span {
  width: 24px;
  height: 24px;
  display: block;
  border: 3px solid #ffffff;
  border-radius: 50%;
  position: relative;
}

.az-feature-icon span::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 3px;
  background: #ffffff;
  right: -9px;
  bottom: 0;
  transform: rotate(45deg);
  border-radius: 3px;
}

.az-feature-card h3 {
  margin: 0 0 14px;
  font-size: 21px;
  line-height: 1.35;
  font-weight: 800;
  color: #101820;
  position: relative;
  z-index: 3;
}

.az-feature-card p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: #61707d;
  position: relative;
  z-index: 3;
}

/* 进入页面时的轻微浮现动效 */
.az-feature-card {
  opacity: 0;
  transform: translateY(24px);
  animation: azFadeUp 0.75s ease forwards;
}

.az-feature-card:nth-child(1) {
  animation-delay: 0.05s;
}

.az-feature-card:nth-child(2) {
  animation-delay: 0.15s;
}

.az-feature-card:nth-child(3) {
  animation-delay: 0.25s;
}

.az-feature-card:nth-child(4) {
  animation-delay: 0.35s;
}

@keyframes azFadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 平板适配 */
@media (max-width: 1024px) {
  .az-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .az-feature-card {
    min-height: 280px;
  }
}

/* 手机适配 */
@media (max-width: 640px) {
  .az-features-section {
    padding: 64px 16px;
  }

  .az-features-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .az-section-head {
    margin-bottom: 32px;
  }

  .az-section-head p {
    font-size: 15.5px;
  }

  .az-feature-card {
    min-height: auto;
    padding: 30px 24px;
    border-radius: 18px;
  }
}