/* 引入字体 */
@font-face {
  font-family: "司源赢宋";
  font-weight: 400;
  src: url("fonts/司源赢宋.ttf") format("truetype");
  font-display: swap;
}

@font-face {
  font-family: "Source Han Serif SC";
  font-weight: 400;
  src: url("fonts/SourceHanSerifSC-Regular.otf") format("opentype");
  font-display: swap;
}

@font-face {
  font-family: "Times New Roman";
  font-weight: 400;
  src: url("fonts/Times New Roman.ttf") format("truetype");
  font-display: swap;
}


/* Global Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Times New Roman", "Arial", sans-serif;
  color: #333333;
  background-color: #ffffff;
  line-height: 1.5;
}

.container {
  width: 100%;
  max-width: 1920px;
  margin: 0 auto;
}

section {
  padding: 50px 160px 0;
}


/* 主色调定义 */
:root {
  --primary-color: #3498db;
  --dark-bg: #2c3e50;
  --white: #ffffff;
  --text-color: #333333;
  --border-color: #dddddd;
  --light-bg: #f5f5f5;
}

/* Banner Styles */
.banner {
  width: 100%;
  background-color: #2c3e50;
  position: relative;
  overflow: hidden;
}

/* Swiper Container */
.swiper {
  width: 100%;
  height: 100%;
}

/* Swiper Slide */
.swiper-slide {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
}

/* headernav */
.top-menu {
  position: absolute;
  z-index: 100;
  width: 100%;
  max-width: 1920px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 68px;
  color: #fff;
  width: 100%;
  height: 162px;
}

.language {
  color: #fff;
  font-family: "Times New Roman";
  font-size: 21px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  cursor: pointer;
  width: 272px;
}

.logo {
  background: url(images/logo.svg) no-repeat center center;
  width: 303px;
  height: 93px;
}

.search {
  display: flex;
  align-items: center;
  width: 272px;
}

.search-icon {
  background: url(images/icon__search.svg);
  width: 32px;
  height: 34px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.search-icon:hover {
  transform: scale(1.1);
}

.search input {
  width: 240px;
  height: 23px;
  border-radius: 100px;
  border: 1px solid #fff;
  outline: none;
  font-size: 13px;
  color: #fff;
  background: transparent;
  padding: 0 15px;
}

/* headernav */
.headernav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 238px;
  width: 100%;
  max-width: 1920px;
}

.nav-item {
  /* border-right: 0.25px solid #fff; */
  width: 260px;
  text-align: center;
  transition: all 0.3s ease;
}

.nav-item a {
  color: #fff;
  text-decoration: none;
  text-align: center;
  font-family: "Times New Roman";
  font-size: 29px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
}

.nav-item:hover {
  transform: scale(1.1);
}

.nav-item span {
  color: #fff;
  text-align: center;
  font-family: "司源赢宋";
  font-size: 39px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  display: block;
}

/* Intro Section */
.intro-section {
  background-color: #9c2126;
  color: #fff;
  text-align: center;
  font-size: 26px;
  line-height: 66px;
  font-weight: 400;
  font-family: "Arial", sans-serif;
  margin: 0 auto;
  letter-spacing: 0.5px;
}

/* Product Introduction Section */
.product-intro-section {
  background-color: var(--white);
  text-align: center;
  background: url(images/image_bg_left.svg) -7px center no-repeat,
    url(images/image_bg_right.svg) right center no-repeat;
}

.intro-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 41px;
}

.title-line {
  width: 15px;
  height: 24px;
  background: #9c2126;
}

.intro-title h3 {
  color: #000;
  text-align: center;
  font-family: "Times New Roman";
  font-size: 50px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
}

.chinese-title {
  color: #000;
  text-align: center;
  font-family: "Source Han Serif SC";
  font-size: 32px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
}

.productSwiper {
  margin: 60px 0 0;
}

.productSwiper .swiper-slide {
  transition: 300ms;
  transform: scale(0.8);
  z-index: 1;
}

.productSwiper .swiper-slide p,
.productSwiper .swiper-slide span {
  display: none;
}

.productSwiper .swiper-slide-prev,
.productSwiper .swiper-slide-next {
  transform: scale(0.9);
  z-index: 9;
}

.productSwiper .swiper-slide-active,
.productSwiper .swiper-slide-duplicate-active {
  transform: scale(1);
  z-index: 10;
}

.swiper-dusc {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  max-width: 1000px;
  margin: 30px auto;
}

.swiper-dusc .btn {
  cursor: pointer;
  transition: all 0.3s ease;
}

.swiper-dusc .btn:hover {
  transform: scale(1.3);
}

.pro-dusc {
  flex: 1;
}

.pro-dusc h5 {
  color: #000;
  text-align: center;
  font-family: "Times New Roman";
  font-size: 34px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
}

.pro-dusc p {
  color: #000;
  text-align: center;
  font-family: "Source Han Serif SC";
  font-size: 24px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
}

/* Products Section */
.products-section {
  width: 100%;
}

.products-grid {
  display: flex;
  height: 580px;
  align-items: center;
  gap: 60px;
  align-self: stretch;
  flex-wrap: nowrap;
  width: 100%;
  justify-content: center;
}

.product-card {
  display: flex;
  /* width: 318px; */
  height: 580px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 50px;
  flex: 1;
  transition: ease all 0.3s;
  cursor: pointer;
  border: 1px solid #DEDEDE;
}

.product-card:hover {
  background: #9B2126;
}

.product-icon {
  width: 204px;
  height: 204px;
  background-size: cover !important;
}

.pro-icon1 {
  background: url(images/icon_black_image01.svg) no-repeat center center;
}

.product-card:hover .pro-icon1 {
  background: url(images/icon_white_image01.svg) no-repeat center center;
}

.pro-icon2 {
  background: url(images/icon_black_image02.svg) no-repeat center center;
}

.product-card:hover .pro-icon2 {
  background: url(images/icon_white_image02.svg) no-repeat center center;
}

.pro-icon3 {
  background: url(images/icon_black_image03.svg) no-repeat center center;
}

.product-card:hover .pro-icon3 {
  background: url(images/icon_white_image03.svg) no-repeat center center;
}

.pro-icon4 {
  background: url(images/icon_black_image04.svg) no-repeat center center;
}

.product-card:hover .pro-icon4 {
  background: url(images/icon_white_image04.svg) no-repeat center center;
}

.product-info {
  padding-top: 20px;
  align-items: center;
  width: 100%;
  border-top: 4px solid #AD5C60;
}

.product-info h5 {
  color: #000;
  text-align: center;
  font-family: "Times New Roman";
  font-size: 32px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  padding: 0 20px;
}

.product-info .chinese-text {
  color: #000;
  text-align: center;
  font-family: "Source Han Serif SC";
  font-size: 24px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  padding: 0 20px;
}

.product-card:hover .product-info h5,
.product-card:hover .product-info .chinese-text {
  color: var(--white);
}

.product-card:hover .product-info {
  border-color: #fff;
}

.more-products {
  text-align: right;
  margin-top: 30px;
}

.more-products a {
  color: #000;
  text-align: right;
  font-family: "Times New Roman";
  font-size: 38px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  text-decoration: none;
  transition: all 0.3s ease;
}

.more-products a:hover {
  color: #9B2126;
  text-decoration: underline;
}

/* Pricing Section */
.pricing-section {
  background-color: var(--white);
  text-align: center;
}

.pricing-cards {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.price-card {
  background-color: var(--white);
  border-radius: 4px;
  transition: all 0.3s ease;
  width: calc(25% - 22.5px);
  /* 4 cards per row with 30px gap */
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  height: 100%;
  cursor: pointer;
}

.price-bg {
  width: 100%;
  height: 420px;
  overflow: hidden;
}

.price-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.3s ease;
}

.price-card:hover .price-bg img {
  transform: scale(1.2);
}

.price-card:hover{
    color: #9B2126;
}

.price-text {
  width: 100%;
  /* color: #000; */
  font-family: "Times New Roman";
  font-size: 20px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  padding: 15px 0;
  margin: 0;
  display: flex;
  align-items: center;
  text-align: justify;
}

.price-value {
  width: 100%;
  /* color: #000; */
  text-align: right;
  font-family: Arial;
  font-size: 34px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  margin: 0;
}

/* Footer */
.footer-content {
  width: 100%;
  height: 145px;
  background: #9B2126;
  margin-top: 50px;
}

/* Responsive adjustments for pricing cards */
@media (max-width: 768px) {
  .intro-section {
    font-size: 12px;
    line-height: 1.5em;
    padding: .5em;
  }

  .topbar {
    flex-direction: column;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: center;
    padding: 20px 0;
  }

  .language {
    text-align: center;
  }

  .logo {
    transform: scale(0.5);
  }

  .headernav {
    flex-direction: column;
    flex-wrap: nowrap;
    padding: 0;
  }

  .headernav svg {
    transform: rotate(90deg);
  }

  .nav-item a {
    font-size: 14px;
  }

  .nav-item span {
    font-size: 16px;
  }

  .pro-dusc h5 {
    font-size: 16px;
  }

  .pro-dusc p {
    font-size: 14px;
  }

  .products-grid {
    justify-content: flex-start;
    flex-direction: column;
    height: auto;
  }

  .more-products {
    text-align: center;
    margin-top: 40px;
  }

  .price-card {
    width: 100%;
  }
}

@media (max-width: 1024px) {
  .intro-section {
    font-size: 16px;
  }

  .topbar {
    height: auto;
    padding: 30px;
  }

  .logo {
    transform: scale(0.8);
  }

  .headernav {
    padding: 0 30px;
  }

  .nav-item a {
    font-size: 18px;
  }

  .nav-item span {
    font-size: 24px;
  }

  .pro-dusc h5 {
    font-size: 24px;
  }

  .pro-dusc p {
    font-size: 18px;
  }

  .products-grid {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 30px;
    height: auto;
  }

  .product-card {
    width: calc(50% - 15px);
    flex: none;
  }

  .more-products {
    text-align: center;
    margin-top: 40px;
  }

  .price-card {
    width: calc(50% - 22.5px);
  }
}

@media (max-width: 1280px) {
  section {
    padding: 50px 30px 0;
  }

  .intro-section {
    font-size: 20px;
  }

  .headernav {
    padding: 0 30px;
  }

  .nav-item a {
    font-size: 22px;
  }

  .nav-item span {
    font-size: 30px;
  }

  .product-card {
    height: 440px;
  }

  .product-icon {
    width: 150px;
    height: 150px;
  }

  .product-info h5 {
    font-size: 18px;
  }


}

@media (max-width: 1560px) {
  section {
    padding: 50px 30px 0;
  }

  .product-info h5 {
    font-size: 20px;
  }

}