.page-history {
}
.page-history .history-hero {
  background: #fafafa url("../images/fazanlicheng/banner_bg.png") no-repeat;
  background-size: 100% auto;
  background-position: top right;
  position: relative;
  min-height: 998px;
  padding: 156px 0 164px;
  overflow: hidden;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: top right;
}
.page-history .history-hero .container {
  position: relative;
  z-index: 1;
}
.page-history .history-hero .hero-copy {
  color: #000;
}
.page-history .history-hero .hero-copy h1 {
  font-size: 36px;
  font-weight: 600;
  margin-bottom: 28px;
  letter-spacing: 0.02em;
}
.page-history .history-hero .hero-copy p {
  font-size: 16px;
  line-height: 1.85;
  margin-bottom: 16px;
}
.page-history .history-hero .hero-copy p:last-child {
  margin-bottom: 0;
}
.page-history .history-journey {
  padding: 40px 0 24px;
  text-align: center;
}
.page-history .history-journey .section-title {
  font-size: 28px;
  font-weight: 600;
  color: #333;
  margin-bottom: 12px;
}
.page-history .history-journey .section-sub {
  font-size: 15px;
  color: #666;
  margin-bottom: 0;
}
.page-history .product-dev-section {
  padding: 0 16px 64px;
}
.page-history .product-dev-section .product-dev-visual {
  max-width: 960px;
  margin: 0 auto 36px;
  line-height: 0;
}
.page-history .product-dev-section .product-dev-visual img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.page-history .product-dev-section .dev-year-slider {
  margin: 0 auto 24px;
  padding: 0 12px;
  position: relative;
}
.page-history .product-dev-section .dev-year-slider .dev-year-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0;
  position: relative;
  padding: 0 40px;
  min-height: 80px;
  max-width: 720px;
  margin: 0 auto;
}
.page-history .product-dev-section .dev-year-slider::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: #c8c8c8;
  z-index: 0;
}
.page-history .product-dev-section .dev-year-slider .dev-year-nav {
  width: 24px;
  height: 28px;
  border: none;
  background: transparent;
  font-size: 55px;
  line-height: 1;
  color: #9c9c9c;
  cursor: pointer;
  transition: color 0.2s;
  padding: 0;
  flex-shrink: 0;
  z-index: 2;
  margin-bottom: 7px;
}
.page-history .product-dev-section .dev-year-slider .dev-year-nav:hover {
  color: #6f6f6f;
}
.page-history .product-dev-section .dev-year-slider .dev-year-nav:focus {
  outline: none;
  box-shadow: none;
}
.page-history .product-dev-section .dev-year-slider .dev-year-btn {
  min-width: 70px;
  padding: 0 12px 24px;
  border: none;
  background: transparent;
  font-size: 26px;
  font-weight: 600;
  line-height: 1.1;
  color: #9a9a9a;
  cursor: pointer;
  transition: color 0.2s;
  position: relative;
  z-index: 1;
  text-align: center;
}
.page-history .product-dev-section .dev-year-slider .dev-year-btn::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 8px;
  width: 10px;
  height: 8px;
  background: #b0b0b0;
  border-radius: 2px 2px 0 0;
  transform: translateX(-50%);
}
.page-history .product-dev-section .dev-year-slider .dev-year-btn::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 8px solid #b0b0b0;
  transform: translateX(-50%);
}
.page-history .product-dev-section .dev-year-slider .dev-year-btn:hover {
  color: #333;
}
.page-history .product-dev-section .dev-year-slider .dev-year-btn:hover::before {
  background: #6f6f6f;
}
.page-history .product-dev-section .dev-year-slider .dev-year-btn:hover::after {
  border-top-color: #6f6f6f;
}
.page-history .product-dev-section .dev-year-slider .dev-year-btn.active {
  color: #333;
  font-weight: 700;
  font-size: 40px;
}
.page-history .product-dev-section .dev-year-slider .dev-year-btn.active::before {
  background: #333;
}
.page-history .product-dev-section .dev-year-slider .dev-year-btn.active::after {
  border-top-color: #333;
}
.page-history .product-dev-section .dev-year-slider .dev-year-btn.dev-year-btn--hidden {
  display: none;
}
.page-history .product-dev-section .dev-year-panels {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px;
  text-align: center;
}
.page-history .product-dev-section .dev-year-panels .dev-panel {
  display: none;
}
.page-history .product-dev-section .dev-year-panels .dev-panel.active {
  display: block;
}
.page-history .product-dev-section .dev-year-panels .dev-panel p {
  font-size: 15px;
  line-height: 2;
  color: #666;
}
.page-history .product-dev-section .dev-year-panels .dev-panel p:last-child {
  margin-bottom: 0;
}

@media (max-width: 991px) {
  .page-history .history-hero {
    min-height: 300px;
    padding: 40px 0 48px;
    background-position: top center;
  }
  .page-history .history-hero .hero-copy {
    font-size: 28px;
  }
  .page-history .history-journey .section-title {
    font-size: 22px;
  }
  .page-history .product-dev-section .product-dev-visual {
    margin-bottom: 24px;
  }
}
@media (max-width: 575px) {
  .page-history .product-dev-section .dev-year-slider .dev-year-inner {
    padding: 0 28px;
    min-height: 64px;
    justify-content: center;
    gap: 4px;
  }
  .page-history .product-dev-section .dev-year-slider .dev-year-nav {
    font-size: 26px;
    width: 20px;
    height: 24px;
    margin-bottom: -12px;
  }
  .page-history .product-dev-section .dev-year-slider .dev-year-btn {
    min-width: 56px;
    font-size: 20px;
    padding: 0 8px 22px;
    flex-shrink: 0;
  }
  .page-history .product-dev-section .dev-year-slider .dev-year-btn.active {
    font-size: 30px;
  }
}