/* 基础重置 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0
}
@font-face {
  font-family: 'AcuminVariableConcept';
  src: url('../font/AcuminVariableConcept.ttf') format('truetype'); /* Safari, Android, iOS */
}
html,
body {
  font-family: AcuminVariableConcept;
  height: 100%
}

body {
  font-family: AcuminVariableConcept, 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft Yahei', sans-serif;
  color: #2b2b2b;
  line-height: 1.6;
  background: #f0f2f5;
}

.container {
  width: 1200px;
  max-width: 94%;
  margin: 0 auto
}


/* 头部 */
.site-header {
  background: var(--primary);
  color: #fff
}

.header-inner {
  height: 100%;
  position: relative;
}

.header-inner {
  display: flex;
  align-items: center;
}

.header-inner .menu {
  display: none;
}

.language {
  color: #ffffff;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  right: 0;
  font-size: 16px;
  font-weight: bold;
}
.language:hover {
  color: #ffffff;
}

.logo {
  width: auto;
  height: 48px;
}

.logo img {
  display: block;
  width: auto;
  height: 48px;
}

.main-nav {
  display: flex;
  align-items: center;
  margin-left: 50px;
  height: 100%;
}

.main-nav .nav-item {
  position: relative;
  color: #fff;
  font-size: 16px;
  font-weight: bold;
  height: 84px;
  display: flex;
  align-items: center;
  margin-right: 40px;
}

.main-nav .nav-item a {
  color: #ffffff;
}

.main-nav .nav-item .s-menu {
  position: absolute;
  top: 100%;
  left: -12px;
  display: none;
  z-index: 2;
  padding: 12px 0;
  width: 210px;
}

.main-nav .nav-item .s-menu::after {
  content: '';
  display: block;
  background: var(--primary);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.7;
  z-index: 1;
}

.main-nav .nav-item .s-menu a {
  display: block;
  position: relative;
  color: #d8d8d8;
  font-weight: normal;
  font-size: 14px;
  line-height: 1.4;
  z-index: 2;
  transition: all 0.3s;
  padding: 4px 4px 4px 12px;
  font-weight: bold;
}

.main-nav .nav-item .s-menu a:hover {
  color: #ffffff;
}

.main-nav .nav-item:hover .s-menu {
  display: block;
}

/* Hero */
.hero {
  position: relative;
  height: 600px;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
}


.hero-overlay>img,
.hero-overlay>video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-content {
  width: 780px;
  position: absolute;
  color: #fff;
  text-align: center;
  z-index: 2;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
}

.hero-title {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 10px;
  text-align: left;
}

.hero-sub {
  font-size: 28px;
  color: #f3e9e7;
  margin-bottom: 40px;
  text-align: left;
  font-weight: normal;
}

.hero-cta {
  display: flex;
  align-self: center;
  justify-content: center;
}

.hero-cta a {
  display: block;
  width: 210px;
  text-align: left;
  padding: 0 18px;
  line-height: 52px;
  background: #ffffff;
  font-size: 18px;
  margin-right: 20px;
  border-radius: 16px;
  color: #231815;
  font-weight: bold;
  white-space: nowrap;
  box-sizing: border-box;
}

.hero-cta a:last-child {
  margin-right: 0;
}

.hero-cta a.primary {
  background: #221815;
  color: #ffffff;
  border: 1px solid #ffffff;
}

/* 通用区间 */
.section {
  padding: 60px 0
}

.section .home-title {
  color: #231815;
  text-align: center;
}

.section .home-title .title {
  font-size: 44px;
  margin-bottom: 20px;
}

.section .home-title .title span {
  font-weight: bold;
}

.section .home-title .sub-title {
  font-size: 20px;
  margin-bottom: 60px;
}

.section.dark-bg .home-title {
  color: #ffffff;
}



#products .container,
.materials .container,
#application .container,
.whychoose .container,
.resources .container {
  width: 960px;
}

/* 产品分类 (两列卡片) */
.product-row {
  display: flex;
  justify-content: center;
}

.product-card {
  flex: 1;
  margin-right: 28px;
  overflow: hidden;
  text-align: left
}

.product-card:last-child {
  margin-right: 0;
}

.product-card .card-image {
  width: 100%;
  height: 220px;
  overflow: hidden;
  border-radius: 12px;
  display: block
}

.product-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: all 0.3s;
}

.product-card .card-image img:hover {
  transform: scale(1.2);
}

.card-caption {
  padding: 14px 0;
  font-size: 16px;
  color: #231815;
}

/* 材料展示（深褐背景） */
.dark-bg {
  background: var(--primary);
  color: #fff
}

.materials .section-lead {
  color: rgba(255, 255, 255, 0.8)
}

.materials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 18px
}
.materials-grid.materials-mobile {
  display: none;
}

.mat-card {
  background: #5b3f3f;
  border-radius: 20px;
  overflow: hidden;
  padding: 0;
  text-align: center
}

.mat-card .card-image {
  width: 100%;
  height: 330px;
  object-fit: cover;
  display: block;
  overflow: hidden;
}

.mat-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: all 0.3s;
}

.mat-card .card-image img:hover {
  transform: scale(1.2);
}


.mat-card p {
  display: block;
  padding: 12px 20px;
  color: #231815;
  font-weight: 600;
  background: #ffffff;
  text-align: left;
  font-size: 16px;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

.mat-card p span {
  font-weight: normal;
}

/* 应用区 */
.application-box {
  display: flex;
  margin-bottom: 20px;
}

.application-box:nth-child(even) {
  flex-direction: row-reverse;
}

.application-box .img {
  width: 540px;
  height: 390px;
}

.application-box .img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.application-box .content {
  flex: 1;
  background: #f8f3eb;
  display: flex;
  flex-direction: column;
  padding: 38px 24px;
  color: #231815;
}

.application-box .content .title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

.application-box .content .text {
  flex: 1;
  font-size: 15px;
  margin-bottom: 12px;
  white-space: pre-wrap;
}

.application-box .content a {
  display: inline-flex;
  width: auto;
  background: #231815;
  border-radius: 8px;
  padding: 4px 24px 4px 12px;
  color: #ffffff;
  align-items: center;
}

.application-box .content a span {
  transition: all 0.3s;
}

.application-box .content a img {
  display: block;
  width: 14px;
  height: auto;
  margin-left: 12px;
  transition: all 0.3s;
}

.application-box .content a:hover span {
  transform: translateX(8px);
}

.application-box .content a:hover img {
  transform: translateX(8px);
}

.sectors-box {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px
}

.sectors-box .sector-item {
  position: relative;
}

.sectors-box .card-image {
  width: 100%;
  height: 230px;
  overflow: hidden;
  display: block
}

.sectors-box .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: all 0.3s;
}

.sectors-box .sector-item:hover .card-image img {
  transform: scale(1.2);
}

.sectors-box .sector-item .txt {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  box-sizing: border-box;
  padding: 12px;
  background: rgba(0, 0, 0, 0.5);
  font-size: 14px;
  color: #ffffff;
}

.sectors-box .sector-item .txt .p1 {
  font-weight: bold;
  font-size: 16px;
}

.whychoose-title {
  font-size: 20px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 20px;
}

.whychoose-box1 {
  display: flex;
  align-items: flex-start;
}

.whychoose-box1 .txt {
  flex: 1;
  margin-right: 20px;
}

.whychoose-box1 .txt .content {
  font-size: 17px;
  font-weight: normal;
  line-height: 1.2;
}

.whychoose-box1 .txt .tag-box {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 44px;
}

.whychoose-box1 .txt .tag-box .tag {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 8px 24px 8px 40px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
}

.whychoose-box1 .txt .tag-box .tag .p1 {
  font-weight: bold;
  color: #ffffff;
}

.whychoose-box1 .txt .more {
  display: inline-block;
  color: #ffffff;
  margin-top: 20px;
  text-decoration: underline;
}

.whychoose-box1 .img-box {
  width: 470px;
  height: 260px;
  overflow: hidden;
}

.whychoose-box1 .img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.3s;
}

.whychoose-box1 .img-box img:hover {
  transform: scale(1.2);
}

.advantages {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  margin-top: 40px;
}

.advantages .advantages-item {
  display: flex;
  flex-direction: column;
}

.advantages .card-image {
  width: 100%;
  height: 255px;
  overflow: hidden;
}

.advantages .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.3s;
}

.advantages .advantages-item:hover .card-image img {
  transform: scale(1.2);
}

.advantages .advantages-item .txt {
  flex: 1;
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  padding: 24px 30px;
  font-size: 13px;
  line-height: 2;
}

.advantages .advantages-item .txt .p1 {
  font-size: 20px;
  font-weight: bold;
}

.advantages .advantages-item .txt .p2 {
  white-space: pre-line;
}

.advantages .advantages-item .txt .more {
  display: inline-block;
  color: #ffffff;
  margin-top: 20px;
  text-decoration: underline;
}

/* 资源卡 */
.resources-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 40px;
}

.res-card {
  display: flex;
  flex-direction: column;
}

.res-card .img {
  width: 100%;
  height: 360px;
  overflow: hidden;
}

.res-card .img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: all 0.3s;
}

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

.res-card .txt {
  flex: 1;
  background: #f8f3ec;
  padding: 12px 24px;
  color: #231815;
  font-size: 14px;
}

.res-card .txt .p1 {
  font-weight: bold;
  margin-bottom: 5px;
}


/* 联系 */
.contact-box {
  display: flex;
  border-radius: 20px;
  overflow: hidden;
}

.contact-left {
  flex: 1;
  background: #f9f6f4;
  padding: 50px;
}

.contact-box .title {
  font-size: 28px;
  color: #231815;
  font-weight: bold;
  margin-bottom: 24px;
}

.contact-box .sub-title {
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 24px;
}

.contact-form .label {
  color: #231815;
  margin-bottom: 4px;
  font-size: 16px;
  font-weight: bold;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 6px 10px;
  border: 1px solid #e0d6d4;
  border-radius: 6px;
  margin-bottom: 10px;
  resize: none;
}

.contact-form textarea {
  height: 120px;
}

.contact-form .btn {
  display: inline-block;
  background: var(--primary);
  outline: none;
  border: none;
  color: #ffffff;
  padding: 4px 24px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: bold;
}

.contact-right {
  flex: 1;
  background: #ece5dd;
  padding: 70px 50px 50px;
}

.contact-box .infos {}

.contact-box .infos .row {
  display: flex;
  align-items: flex-start;
  margin-bottom: 30px;
}

.contact-box .infos .icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #dac9ba;
  display: flex;
  align-items: center;
  margin-right: 32px;
}

.contact-box .infos .icon svg {
  fill: var(--second);
  display: block;
  width: 18px;
  height: 18px;
  margin: 0 auto;
}

.contact-box .infos .txt {
  width: 200px;
  font-size: 14px;
  color: #727171;
  line-height: 1.6;
  word-break: break-all;
}

.contact-box .infos .txt .p1 {
  font-size: 16px;
  font-weight: bold;
  color: #231815;
}

.contact-info {
  display: flex;
  align-items: center;
}

.contact-info a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--second);
  display: flex;
  align-items: center;
  margin-right: 14px;
}

.contact-info a img {
  fill: #ffffff;
  display: block;
  width: 18px;
  height: 18px;
  margin: 0 auto;
}
.product-container .whychoose {
  background: var(--second) !important;
}

.product-container .whychoose .index-box .item {
  color: #ffffff;
}

.product-container .whychoose .index-box .item .circle {
  background: #ffffff;
}

.index-box {
  display: flex;
  justify-content: center;
}

.index-box .item {
  text-align: center;
  color: #231815;
  font-size: 14px;
  width: 25%;
}

.index-box .item .circle {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--second);
  margin: 0 auto;
  opacity: 0.8;
  display: flex;
  justify-content: center;
  align-items: center;
}
.index-box .item .circle img {
  display: block;
  width: 60%;
  height: 60%;
}

.index-box .item .p1 {
  margin: 12px 0 20px;
  font-size: 20px;
  font-weight: bold;
}

.index-box .item p {
  white-space: pre-line;
}


/* 页脚 */
.site-footer {
  background: var(--primary);
  color: #fff;
}

.site-footer .copyright {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  padding: 12px 0 20px;
}

.site-footer .copyright .links a {
  color: #ffffff;
  margin-left: 20px;
  text-decoration: none;
  font-size: 14px;
}

.site-footer hr {
  background: rgba(255, 255, 255, 0.1);
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  padding: 40px 0 20px;
}

.footer-inner .left {
  width: 166px;
}

.footer-inner .left .logo {
  width: 80px;
  height: auto;
  margin: 0 auto 20px;
}

.footer-inner .left .logo img {
  display: block;
  width: 100%;
  height: auto;
}

.footer-inner .left>p {
  font-size: 12px;
  color: #ffffff;
  line-height: 1.8;
}

.footer-inner .left .links {
  display: flex;
  margin-top: 12px;
}

.footer-inner .left .links a {
  display: block;
  width: 20px;
  margin-right: 12px;
}

.footer-inner .left .links a img {
  width: 20px;
  height: 20px;
}

.footer-inner .right {
  flex: 1;
  margin-left: 40px;
}

.footer-inner .right .menu {
  display: flex;
  align-items: flex-start;
}

.footer-inner .right .menu .col {
  flex: 1;
}

.footer-inner .right .menu .col .p1 {
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 24px;
  color: #ffffff;
}

.footer-inner .right .menu .col a {
  display: block;
  font-size: 14px;
  color: #ffffff;
  margin-bottom: 6px;
}

.footer-inner .right .concat {
  margin-top: 12px;
}

.footer-inner .right .concat .p1 {
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 12px;
  color: #ffffff;
}

.readcrumb {}

/* Product page specific styles */
.breadcrumb {
  font-size: 14px;
  color: #231815;
  padding: 0 0 18px;
}

.breadcrumb a {
  color: #231815;
  text-decoration: none;
}

.breadcrumb .separator {
  margin: 0 8px;
  color: #999;
}

.page-hero {
  text-align: left;
  margin-bottom: 16px;
}

.page-hero .page-title {
  font-size: 34px;
  margin: 6px 0 8px;
  color: #231815;
}

.page-hero .page-sub {
  color: #231815;
  font-size: 14px;
  margin-bottom: 18px;
}

.filters {
  margin-bottom: 18px;
}

.filter-row {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.filter-btn {
  border: 1px solid #e6ded8;
  padding: 8px 14px;
  border-radius: 20px;
  background: #fff;
  font-size: 13px;
  color: #231815;
}

.filter-label {
  font-size: 14px;
  color: #231815;
  margin-bottom: 6px;
}

.filter-select {
  border: 1px solid #231815;
  padding: 8px 14px;
  border-radius: 20px;
  background: #fff;
  font-size: 13px;
  color: #231815;
  appearance: none;
  -webkit-appearance: none;
}

.filter-select:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(137, 109, 98, 0.12);
}

.filters>* {
  /* display: inline-flex;
  align-items: center; */
}

.product-grid-section {
  padding-top: 18px;
  padding-bottom: 28px;
  background: #f7f2ec;
}

.grid-lead {
  color: #7a6f69;
  font-size: 13px;
  margin: 10px 0 18px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.product-card-grid {
  background: #fff;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.03);
  display: flex;
  flex-direction: column;
}

.product-card-grid .pc-image {
  height: 260px;
  overflow: hidden;
}

.product-card-grid .pc-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* caption row: title at left, type (eg. wood) at right */
.pc-caption-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 14px 0;
}

.product-card-grid .pc-caption {
  margin: 0;
  color: #231815;
  font-weight: 700;
  font-size: 14px;
}

.pc-type {
  font-size: 13px;
  color: #231815;
  font-weight: normal;
}

.product-card-grid .pc-meta {
  padding: 0 14px 10px;
  font-size: 12px;
  color: #231815;
  background: #ffffff;
}

.viewing {
  text-align: center;
  color: #777;
  margin-top: 22px;
}

.load-more {
  text-align: center;
  margin-top: 12px;
}

.load-more .btn {
  border: 1px solid #e6ded8;
  padding: 8px 18px;
  border-radius: 20px;
  background: #fff;
  cursor: pointer;
}


.layers-section {
  display: flex;
  align-items: flex-start;
  gap: 30px;
}

.layers-img {
  flex: 1;
  max-width: 520px;
}

.details-left {
  width: 720px;
}

.details-left .img-card {
  background: #fff;
  width: 100%;
  height: 500px;
}

.details-right {
  flex: 1;
}

.details-right .product-name {
  font-size: 28px;
  font-weight: bold;
  margin-bottom: 10px;
  word-break: break-all;
  line-height: 1.4;
}

.details-right .product-desc {
  font-size: 18px;
  margin-bottom: 10px;
}

.details-right .product-tag {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 40px;
}

.details-right .product-tag .tag {
  background: #efefef;
  font-size: 14px;
  color: #221815;
  padding: 4px 20px;
}

.details-right .specs-title {
  font-size: 18px;
}

.details-right .specs-info {
  border: 1px solid #2b2b2b;
  margin-top: 10px;
}

.details-right .specs-info .specs-title {
  font-size: 14px;
  font-weight: bold;
  background: #dddddd;
  border-bottom: 1px solid #2b2b2b;
  padding: 4px 8px;
}

.details-right .specs-info .specs-content {
  font-size: 14px;
  background: #efefef;
  border-bottom: 1px solid #2b2b2b;
  padding: 4px 8px;
  white-space: pre-line;
}

.details-right .specs-info .specs-content:last-child {
  border-bottom: none;
}

.details-section {
  padding-top: 50px;
  padding-bottom: 50px;
  background: #ffffff;
}

.details-section .container {
  display: flex;
  gap: 30px;
  margin-bottom: 36px;
}

.split-block {
  width: 100%;
  height: 100px;
}

.loveit {
  border-bottom: 1px solid #c6c6c6;
}

.installation .home-title .title,
.loveit .home-title .title {
  font-size: 30px;
}

.loveit .loveit-row {
  display: flex;
  justify-content: center;
  gap: 140px;
  margin: 50px 0 0;
}

.loveit .loveit-row .loveit-item {
  width: 100px;
  text-align: center;
}

.loveit .loveit-row .loveit-item .icon {
  width: 100px;
  height: 100px;
  margin: 0 auto 20px;
}

.loveit .loveit-row .loveit-item .icon img {
  display: block;
  width: 100%;
  height: 100%;
}

/* Responsive adjustments */
@media (max-width: 900px) {
  .spc-layer-row {
    flex-direction: column;
  }

  .showcase-row {
    flex-direction: column;
  }

  .spc-intro .spc-icons .icon {
    width: 74px;
    height: 74px;
    font-size: 10px;
  }
}

/* End SPC section styles */

.loveit .loveit-row .loveit-item .label {
  font-size: 14px;
  color: #221815;
}

/* Product detail specific */
.breadcrumb-section {
  background: #ffffff;
  padding: 20px 0;
}

.thumb-row {
  display: flex;
  flex-wrap: wrap;
  margin-top: 12px;
  gap: 10px;
}

.thumb-row .thumb-img,
.details-left .img-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.thumb-row .thumb-img {
  width: 80px;
  height: 80px;
  overflow: hidden;
  opacity: 0.5;
  cursor: pointer;
}

.thumb-row .thumb-img.thumb-active {
  opacity: 1;
}

.installation {
  background: #ffffff;
  border-bottom: 1px solid #c6c6c6;
}

.installation .advantages {
  gap: 10px;
}

.advantages .card-image {
  height: 400px;
}

.advantages .advantages-item .txt {
  flex: 1;
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  padding: 24px 30px;
  font-size: 13px;
  line-height: 2;
}

.advantages .advantages-item .txt .p1 {
  font-size: 20px;
  font-weight: bold;
}

.advantages .advantages-item .txt .p2 {
  white-space: pre-line;
}

.advantages .advantages-item .txt .more {
  display: inline-block;
  color: #ffffff;
  margin-top: 20px;
  text-decoration: underline;
}

/* Coordinating Trims */
.coordinating {
  background: #ffffff;
  border-bottom: 1px solid #c6c6c6;
}

.coordinating .container {
  display: flex;
  align-items: flex-start;
  gap: 60px;
}

.trims-left {
  width: 300px;
}

.trims-title {
  font-size: 18px;
  font-weight: bold;
  color: #231815;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.trims-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.trims-list li {
  font-size: 16px;
  color: #231815;
  line-height: 1.4;
  margin-bottom: 8px;
  padding-left: 20px;
  position: relative;
}

.trims-list li:before {
  content: "•";
  position: absolute;
  left: 0;
  color: #231815;
  font-weight: bold;
}

.trims-right {
  flex: 1;
  display: flex;
  gap: 40px;
  align-items: flex-start;
}

.trim-item {
  text-align: center;
  flex: 1;
  min-width: 154px;
}

.trim-icon {
  width: 154px;
  height: auto;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.trim-icon img {
  width: 100%;
  height: 100%;
  display: block;
}

.trim-label {
  font-size: 16px;
  color: #666;
  margin: 0;
  line-height: 1.4;
}

.documents {
  background: #ffffff;
}

.documents .p1 {
  font-size: 24px;
}

.documents .docs-box {
  margin-top: 12px;
  background: #fff;
}

.documents .docs-box .doc-row.head {
  background: #f4f3ee;
}

.documents .docs-box .doc-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  border-bottom: 1px solid #eceadd;
}

.documents .docs-box .doc-row:last-child {
  border-bottom: none;
}

.documents .docs-box .doc-row .download-btn {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  color: #231815;
  border-radius: 4px;
  text-decoration: none;
}

.documents .docs-box .doc-row .download-btn svg {
  display: block;
  width: 20px;
  height: 20px;
  fill: #231815;
  margin-right: 5px;
}

.documents .docs-box .doc-row .download-btn:hover {
  background: #231815;
  color: #ffffff;
}

.documents .docs-box .doc-row .download-btn:hover svg {
  fill: #ffffff;
}

.resources-title {
  background: #f7f2ec;
  padding: 40px 0;
  font-size: 36px;
}

.resources .title {
  font-size: 36px;
}

/* Library section */
.news-section,
.library-section {
  background: #ffffff;
}

.library-header {
  text-align: center;
  margin-bottom: 50px;
}

.library-title {
  font-size: 36px;
  font-weight: normal;
  color: #231815;
  margin-bottom: 20px;
}

.library-desc {
  font-size: 18px;
  color: #666;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.catalog-date {
  font-size: 13px;
  color: #666;
  margin-bottom: 10px;
}

.catalog-title {
  font-size: 18px;
  font-weight: bold;
  color: #231815;
  margin-bottom: 30px;
}

.download-btn-main {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #231815;
  color: #ffffff !important;
  padding: 12px 30px;
  border-radius: 25px;
  text-decoration: none;
  font-size: 14px;
  width: fit-content;
  transition: all 0.3s;
}

.download-btn-main svg {
  width: 16px;
  height: 16px;
  fill: #ffffff;
}

.technical-row {
  display: flex !important;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.technical-row .technical-card {
  width: calc((100% - 30px) / 2);
  margin-right: 30px;
}

.technical-row .technical-card:first-child {
  width: 100%;
}

.technical-row .technical-card:nth-child(2n - 1) {
  margin-right: 0;
}

.technical-card {
  background: #ffffff;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.08);
  margin-bottom: 20px;
}

.technical-card-image {
  width: 100%;
  height: 320px;
  overflow: hidden;
}

.technical-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.technical-card-info {
  padding: 20px;
}

.technical-card-title {
  font-size: 16px;
  font-weight: bold;
  color: #231815;
  margin-bottom: 20px;
}

.news-section .technical-card-title {
  margin: 10px 0;
}

.technical-card-info .more {
  margin-top: 10px;
  display: inline-block;
  text-decoration: underline;
  font-weight: bold;
}

.library-oper {
  display: flex;
  align-items: center;
  justify-content: center;
}

.library-pagination {
  display: flex;
  justify-content: center;
  width: auto !important;
  margin: 0 8px;
  user-select: none;
}

.news-section .swiper-pagination-bullet,
.library-section .swiper-pagination-bullet {
  width: 16px;
  height: 16px;
  border: 1px solid #000000;
  border-radius: 50%;
  background: none;
  opacity: 1;
  margin: 0 8px !important;
}

.news-section .swiper-pagination-bullet.swiper-pagination-bullet-active,
.library-section .swiper-pagination-bullet.swiper-pagination-bullet-active {
  background: #000000;
}

.news-section .library-prev,
.news-section .library-next,
.library-section .library-prev,
.library-section .library-next {
  cursor: pointer;
}


.library-pagination .page-prev,
.library-pagination .page-next {
  font-weight: bold;
}

/* Floating contact button */
.contact-float {
  position: fixed;
  right: 22px;
  bottom: 20%;
  background: var(--second);
  color: #ffffff !important;
  width: 66px;
  height: 66px;
  border-radius: 50%;
  z-index: 9;
  display: flex;
  justify-content: center;
  align-items: center;
}

.contact-float img,
.contact-float svg {
  display: block;
  width: 30px;
  height: auto;
  margin: 0 auto;
  fill: #ffffff;
}

.whychoose.about-page-whychoose {
  background: #ffffff !important;
}

.whychoose.about-page-whychoose {
  background: #ffffff !important;
}

.product-detail .advantages .advantages-item .txt {
  background: #ffffff;
  color: #221815;
  padding: 12px 0;
}

.product-detail .advantages .advantages-item .txt .more {
  color: #221815;
}

.whychoose.about-page-whychoose .whychoose-box1 .txt .tag-box .tag {
  background: var(--primary);
  color: #ffffff;
}

.about-page-whychoose .container {
  width: 1200px;
}

.about-page-whychoose .whychoose-box1 .img-box {
  width: 550px;
}

.whychoose.about-page-whychoose .advantages {
  display: block;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  margin-top: 40px;
}

.whychoose.about-page-whychoose .advantages .advantages-item {
  display: flex;
  flex-direction: row;
}

.whychoose.about-page-whychoose .advantages .card-image {
  flex: 1;
  height: 255px;
  overflow: hidden;
}

.whychoose.about-page-whychoose .advantages .advantages-item .txt {
  width: 550px;
  flex: unset;
  box-sizing: border-box;
  background: #ece5dd;
  color: #221815;
  padding: 24px 30px;
  line-height: 2;
}

.whychoose.about-page-whychoose .advantages .advantages-item .txt .more {
  color: #221815;
}


/* Company page styles */
.company-hero {
  position: relative;
  overflow: hidden;
}

.company-hero .company-hero-bg {
  height: 330px;
}

.company-hero .company-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.company-hero .company-hero-content {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.5);
  color: #ffffff;
  font-size: 24px;
  line-height: 1.6;
  padding: 30px 0;
}

.company-hero-title {
  font-size: 36px;
}

.company-container {
  background: #f6f0ea;
  padding: 28px 0 36px;
}

.company-item {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 36px;
}

.company-item .img {
  width: 100%;
  max-width: 100%;
  height: 460px;
  overflow: hidden;
}

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

.company-item .content {
  width: 100%;
  color: #231815;
}

.company-item .content .title {
  font-weight: 700;
  font-size: 24px;
  margin-bottom: 8px;
}

.company-item .content .text {
  color: #221815;
  font-size: 18px;
  line-height: 1.6;
}

.company-container .resources-title {
  border-top: 20px solid #ffffff;
}

.company-container .resources {
  background: #ffffff;
  padding-top: 20px;
}

.company-container .resources .container {
  width: 1200px;
}

.company-container .resources-row {
  margin-top: 0;
}

.company-container .discover-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  background: #231815;
  color: #fff;
  border-radius: 28px;
  text-decoration: none;
  font-weight: 700;
}

.company-container .discover-wrap {
  margin-top: 12px;
}



@media (max-width: 900px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .product-grid {
    grid-template-columns: repeat(1, 1fr);
  }

  .details-row,
  .layers-section {
    flex-direction: column;
  }
}

@media(max-width: 750px) {
  body {
    line-height: 1.6;
    background: #f0f2f5;
    width: 100%;
    overflow-x: hidden;
  }

  .container {
    width: 6.9rem;
    max-width: 720px;
    margin: 0 auto;
    box-sizing: border-box;
  }

  .logo {
    width: auto;
    height: 0.6rem;
  }

  .logo img {
    height: 100%;
  }
  body {
    padding-top: 1.2rem;
  }
  .site-header {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 750px;
    z-index: 9;
  }
  .header-inner {
    height: 1.2rem;
    justify-content: space-between;
    position: relative;
  }

  .header-inner .menu {
    display: block;
    width: 0.4rem;
    height: 0.4rem;
    overflow: hidden;
  }

  .header-inner .menu svg {
    display: block;
    width: 100%;
    height: 100%;
    fill: #ffffff;
  }

  .header-inner .menu svg.close {
    display: none;
  }
  .header-inner.showMenu .menu {
    position: absolute;
    top: 0.5rem;
    right: 1.22rem;
    z-index: 11;
  }
  .header-inner.showMenu .menu svg {
    display: none;
  }

  .header-inner.showMenu .menu svg.close {
    display: block;
    fill: #000000;
  }

  .header-inner .main-nav {
    display: none;
    position: absolute;
    top: 0;
    left: -0.3rem;
    width: 6.3rem;
    max-width: 750px;
    z-index: 10;
  }

  .header-inner.showMenu .main-nav {
    display: block;
  }
  .header-inner.showMenu::after {
    content: '';
    display: block;
    width: 7.5rem;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    position: absolute;
    top: 0;
    left: -0.3rem;
    z-index: 9;
  }
  .header-inner.showMenu .main-nav .language {
    top: unset;
    bottom: 0.6rem;
    left: 0.3rem;
    transform: translateY(0);
    color: #000000;
    font-size: 0.32rem;
    font-weight: normal;
  }
  .main-nav {
    display: block;
    margin-left: 0;
    height: 100vh;
    background: #ffffff;
    box-sizing: border-box;
    padding: 1.4rem 0 0.32rem;
    z-index: 10;
  }

  .main-nav .nav-item {
    position: relative;
    color: #000000;
    font-size: 0.32rem;
    font-weight: normal;
    height: auto;
    display: block;
    margin-right: 0;
    padding: 0 0.32rem 0.3rem;
  }

  .main-nav .nav-item a {
    color: #000000;
  }

  .main-nav .nav-item .s-menu {
    position: relative;
    top: 0;
    left: 0;
    display: block;
    z-index: 2;
    padding: 0 0.32rem;
    width: 100%;
    height: 0;
    overflow: hidden;
  }

  .main-nav .nav-item .s-menu::after {
    content: none;
  }
  .main-nav .nav-item.showChild .s-menu {
    height: auto;
  }
  .main-nav .nav-item>a {
    position: relative;
    display: block;
  }
  .main-nav .nav-item>a::after {
    content: '+';
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    font-size: 0.6rem;
    font-weight: normal;
  }
  .main-nav .nav-item.showChild>a::after{
    content: '-';
  }
  .main-nav .nav-item .s-menu a {
    display: block;
    position: relative;
    color: #000000;
    font-size: 0.32rem;
    line-height: 1.4;
    transition: all 0.3s;
    padding: 0.1rem 0;
    font-weight: normal;
  }

  /* Hero */
  .hero {
    height: 10rem;
  }


  .hero-content {
    width: 6.9rem;
    bottom: 0.5rem;
  }

  .hero-title {
    font-size: 0.52rem;
    margin-bottom: 0.2rem;
    text-align: center;
  }

  .hero-sub {
    font-size: 0.4rem;
    color: #f3e9e7;
    margin-bottom: 0.3rem;
    text-align: center;
    font-weight: normal;
  }

  .hero-cta {
    width: 6.9rem;
  }

  .hero-cta a {
    width: auto;
    flex: 1;
    text-align: center;
    padding: 0 0.32rem;
    line-height: 0.7rem;
    font-size: 0.28rem;
    margin-right: 0.3rem;
    border-radius: 0.22rem;
    color: #231815;
    font-weight: normal;
  }

  /* 通用区间 */
  .section {
    padding: 0.8rem 0
  }

  .section .home-title .title {
    font-size: 0.44rem;
    margin-bottom: 0.2rem;
  }

  .section .home-title .sub-title {
    font-size: 0.36rem;
    margin-bottom: 0.5rem;
  }

  #products .container,
  .materials .container,
  #application .container,
  .whychoose .container,
  .resources .container {
    width: 6.9rem;
  }

  /* 产品分类 (两列卡片) */
  .product-row {
    display: block;
  }

  .product-card {
    display: block;
    margin-right: 0;
    text-align: left;
    margin-bottom: 0.2rem;
  }

  .product-card:last-child {
    margin-right: 0;
  }

  .product-card .card-image {
    width: 100%;
    height: 3rem;
    overflow: hidden;
    border-radius: 0.2rem;
  }

  .card-caption {
    padding: 0.2rem 0.3rem;
    font-size: 0.28rem;
    color: #231815;
  }
  .materials.section .sub-title{
    font-size: 0.32rem;
  }
  .materials-grid {
    grid-template-columns: repeat(1, 1fr);
    gap: 0.4rem;
    margin-top: 0.3rem;
    display: none;
  }
  
  .materials-grid.materials-mobile {
    display: block;
    --swiper-navigation-size: 0.6rem;
    --swiper-navigation-color: #ffffff;
    --swiper-navigation-sides-offset: 0.1rem;
  }
  .materials-grid.materials-mobile .mat-card {
    display: block;
  }
  .materials-mobile .swiper-wrapper {
    height: 19rem;
  }
  .materials-grid.materials-mobile .swiper-slide {
    margin-bottom: 0.3rem;
    height: calc((100% - 0.6rem) / 3) !important;
  }
  .materials-grid.materials-mobile .swiper-slide:nth-child(3n) {
    margin-bottom: 0;
  }
  
  .materials-oper {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .materials-pagination {
    display: flex;
    justify-content: center;
    width: auto !important;
    margin: 0 8px;
    user-select: none;
  }

  .materials-oper .swiper-pagination-bullet {
    width: 0.3rem;
    height: 0.3rem;
    border: 1px solid #ffffff;
    border-radius: 50%;
    background: none;
    opacity: 1;
    margin: 0 8px !important;
  }

  .materials-oper .swiper-pagination-bullet.swiper-pagination-bullet-active {
    background: #ffffff;
  }
  

  .mat-card {
    border-radius: 0.2rem;
    padding: 0;
  }

  .mat-card .card-image {
    width: 100%;
    height: 5rem;
  }


  .mat-card p {
    padding: 0.2rem 0.32rem;
    font-size: 0.28rem;
  }
  #application.section .sub-title {
    font-size: 0.32rem;
  }
  /* 应用区 */
  .application-box {
    display: flex;
    margin-bottom: 0.3rem;
    flex-direction: column;
  }

  .application-box:nth-child(even) {
    flex-direction: column;
  }

  .application-box .img {
    width: 100%;
    height: 4rem;
  }

  .application-box .content {
    padding: 0.2rem 0.32rem;
    color: #231815;
  }

  .application-box .content .title {
    font-size: 0.32rem;
    font-weight: 700;
    margin-bottom: 0.12rem;
  }

  .application-box .content .text {
    flex: 1;
    font-size: 0.28rem;
    margin-bottom: 0.2rem;
  }

  .application-box .content a {
    border-radius: 0.1rem;
    padding: 0.1rem 0.32rem 0.1rem 0.2rem;
  }

  .application-box .content a span {
    transition: all 0.3s;
  }

  .application-box .content a img {
    width: 0.28rem;
    margin-left: 0.24rem;
  }

  .application-box .content a:hover span {
    transform: translateX(0.16rem);
  }

  .application-box .content a:hover img {
    transform: translateX(0.16rem);
  }

  .sectors-box {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.3rem
  }

  .sectors-box .card-image {
    height: 4.5rem;
  }

  .sectors-box .sector-item .txt {
    padding: 0.2rem 0.24rem;
    font-size: 0.24rem;
    line-height: 1.4;
  }

  .sectors-box .sector-item .txt .p1 {
    font-weight: bold;
    font-size: 0.3rem;
  }

  .whychoose-title {
    font-size: 0.36rem;
    margin-bottom: 0.4rem;
  }

  .whychoose-box1 {
    display: flex;
    flex-direction: column-reverse;
    align-items: unset;
  }
  .section.whychoose .home-title .sub-title {
    font-size: 0.3rem;
  }
  .whychoose-box1 .txt {
    width: 100%;
    margin-right: 0;
    margin-bottom: 0rem;
    text-align: center;
  }

  .whychoose-box1 .txt .content {
    font-size: 0.3rem;
    text-align: left;
  }
  .whychoose-box1 .txt .tag-box .tag .p1 {
    font-weight: normal;
    font-size: 0.28rem;
  }

  .whychoose-box1 .txt .tag-box {
    gap: 0.3rem;
    margin-top: 0.3rem;
  }

  .whychoose-box1 .txt .tag-box .tag {
    border-radius: 0.2rem;
    padding: 0.16rem 0.2rem;
    font-size: 0.3rem;
  }

  .whychoose-box1 .txt .more {
    display: inline-block;
    color: #ffffff;
    margin-top: 0.2rem;
    text-decoration: underline;
    margin-bottom: 0.3rem;
  }

  .whychoose-box1 .img-box {
    width: 100%;
    height: 3rem;
    margin-bottom: 0.3rem;
  }

  .advantages {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 0.3rem;
    margin-top: 0;
  }

  .advantages .advantages-item {
    display: flex;
    flex-direction: column;
  }

  .advantages .card-image {
    height: 3rem;
  }

  .advantages .advantages-item .txt {
    flex: 1;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    padding: 0.2rem 0.32rem;
    font-size: 0.28rem;
    line-height: 1.6;
  }

  .advantages .advantages-item .txt .p1 {
    font-size: 0.32rem;
  }

  .advantages .advantages-item .txt .more {
    margin-top: 0.2rem;
    font-size: 0.28rem;
  }

  /* 资源卡 */
  .resources-row {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 0.32rem;
    margin-top: 0.3rem;
  }

  .res-card .img {
    width: 100%;
    height: 4rem;
  }

  .res-card .txt {
    padding: 0.2rem 0.32rem;
    font-size: 0.28rem;
  }

  .res-card .txt .p1 {
    margin-bottom: 0.1rem;
    font-size: 0.32rem;
  }

  .contact-section {
    padding-top: 0;
  }
  /* 联系 */
  .contact-box {
    display: block;
    border-radius: 0.2rem;
  }

  .contact-left {
    background: #f9f6f4;
    padding: 0.5rem 0.32rem;
  }

  .contact-box .title {
    font-size: 0.32rem;
    margin-bottom: 0.2rem;
  }

  .contact-box .sub-title {
    font-size: 0.28rem;
    margin-bottom: 0.2rem;
    font-weight: normal;
  }

  .contact-form .label {
    margin-bottom: 0.1rem;
    font-size: 0.32rem;
  }

  .contact-form input,
  .contact-form textarea {
    width: 100%;
    padding: 0.2rem 0.32rem;
    border-radius: 0.1rem;
    margin-bottom: 0.2rem;
    font-size: 0.32rem;
  }

  .contact-form textarea {
    height: 2rem;
  }

  .contact-form .btn {
    padding: 0.1rem 0.32rem;
    border-radius: 0.1rem;
    font-size: 0.28rem;
  }

  .contact-right {
    padding: 0.5rem 0.32rem;
  }

  .contact-box .infos {}

  .contact-box .infos .row {
    margin-bottom: 0.3rem;
  }

  .contact-box .infos .icon {
    width: 0.6rem;
    height: 0.6rem;
    border-radius: 50%;
    margin-right: 0.3rem;
  }

  .contact-box .infos .icon svg {
    width: 0.4rem;
    height: 0.4rem;
  }

  .contact-box .infos .txt {
    flex: 1;
    width: auto;
    font-size: 0.28rem;
    line-height: 1.6;
  }

  .contact-box .infos .txt .p1 {
    font-size: 0.32rem;
  }

  .contact-info {
    display: flex;
    align-items: center;
  }

  .contact-info a {
    width: 0.68rem;
    height: 0.68rem;
    margin-right: 0.3rem;
  }

  .contact-info a img {
    width: 0.4rem;
    height: 0.4rem;
  }

  .index-box {
    flex-wrap: wrap;
  }

  .index-box .item {
    font-size: 0.28rem;
    width: 50%;
    margin-bottom: 0.3rem;
    box-sizing: border-box;
    padding: 0 0.32rem;
  }

  .index-box .item .circle {
    width: 1rem;
    height: 1rem;
  }
  
  .index-box .item .p1 {
    margin: 0.1rem 0 0;
    font-size: 0.36rem;
  }

  /* 页脚 */
  .site-footer .copyright {
    display: block;
    font-size: 0.24rem;
    padding: 0.1rem 0 0.32rem;
    text-align: center;
  }

  .site-footer .copyright .links {
    justify-content: center;
    margin-top: 0.2rem;
  }

  .site-footer .copyright .links a {
    margin-left: 0.3rem;
    font-size: 0.24rem;
  }

  .site-footer .copyright .links a:first-child {
    margin-left: 0;
  }

  .footer-inner {
    display: block;
    padding: 0.4rem 0.32rem 0;
  }

  .footer-inner .left {
    display: flex;
    width: 100%;
  }

  .footer-inner .left .logo {
    width: 1.5rem;
    margin: 0 auto 0.2rem;
  }

  .footer-inner .left .left-content {
    flex: 1;
    margin-left: 0.3rem;
  }

  .footer-inner .left .left-content p {
    font-size: 0.26rem;
    word-break: break-all;
  }

  .footer-inner .left .links {
    display: flex;
    justify-content: flex-start;
    margin-top: 0.1rem;
  }

  .footer-inner .left .links a {
    display: block;
    width: 0.4rem;
    margin-right: 0.2rem;
  }

  .footer-inner .left .links a:last-child {
    margin-right: 0;
  }

  .footer-inner .left .links a svg {
    fill: #d6d6d6;
    width: 0.4rem;
    height: 0.4rem;
  }

  .footer-inner .right {
    width: 100%;
    margin-left: 0;
  }

  .footer-inner .right .menu {
    margin-top: 0.3rem;
    display: block;
  }

  .footer-inner .right .menu .col {
    margin-bottom: 0.2rem;
    height: 0.5rem;
    overflow: hidden;
  }
  .footer-inner .right .menu .col.showChild {
    height: auto;
  }

  .footer-inner .right .menu .col .p1 {
    font-size: 0.32rem;
    line-height: 0.5rem;
    font-weight: bold;
    margin-bottom: 0;
    color: #ffffff;
    position: relative;
  }
  .footer-inner .right .menu .col .p1::after {
    content: '+';
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    font-size: 0.6rem;
    font-weight: normal;
  }
  .footer-inner .right .menu .col.showChild .p1::after{
    content: '-';
  }

  .footer-inner .right .menu .col a {
    display: block;
    font-size: 0.3rem;
    color: #ffffff;
    margin-bottom: 0;
    margin-right: 0;
    padding-left: 0.32rem;
  }

  .footer-inner .right .menu .col a:last-child {
    margin-right: 0;
  }

  .footer-inner .right .concat {
    margin-top: 0.3rem;
  }

  .footer-inner .right .concat .p1 {
    font-size: 0.32rem;
    margin-bottom: 0.1rem;
  }

  .breadcrumb {
    font-size: 0.24rem;
    padding: 0;
  }

  /* Product detail specific */
  .breadcrumb-section {
    background: #ffffff;
    padding: 0.3rem 0 0.1rem;
  }

  .page-hero {
    margin-bottom: 16px;
  }

  .page-hero .page-title {
    font-size: 0.56rem;
  }


  .details-section {
    padding-top: 0.3rem;
    padding-bottom: 0.3rem;
  }

  .details-section .container {
    display: block;
    gap: 0;
    margin-bottom: 0;
  }

  .details-left {
    width: 100%;
    margin-bottom: 0.3rem;
  }

  .details-left .img-card {
    height: 5rem;
  }

  .thumb-row {
    display: flex;
    flex-wrap: wrap;
    margin-top: 12px;
    gap: 10px;
  }

  .thumb-row .thumb-img {
    width: 1rem;
    height: 1rem;
  }

  .thumb-row .thumb-img.thumb-active {
    opacity: 1;
  }

  .details-right .product-name {
    font-size: 0.36rem;
    margin-bottom: 0.1rem;
  }

  .details-right .product-desc {
    font-size: 0.28rem;
    margin-bottom: 0.2rem;
  }

  .details-right .product-tag {
    margin-bottom: 0.2rem;
  }

  .details-right .product-tag .tag {
    font-size: 0.28rem;
    padding: 4px 0.32rem;
  }

  .details-right .specs-title {
    font-size: 0.32rem;
  }

  .split-block {
    width: 100%;
    height: 1rem;
  }

  .loveit {
    border-bottom: 1px solid #c6c6c6;
  }

  .installation .home-title .title,
  .loveit .home-title .title {
    font-size: 0.4rem;
  }

  .loveit .loveit-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    justify-content: center;
    gap: 0.32rem;
    margin: 0.5rem 0 0;
  }

  .loveit .loveit-row .loveit-item {
    width: auto;
  }

  .loveit .loveit-row .loveit-item .icon {
    width: 1.6rem;
    height: 1.6rem;
    margin: 0 auto 0.3rem;
  }

  .installation {
    background: #ffffff;
    border-bottom: 1px solid #c6c6c6;
  }

  .installation .advantages {
    gap: 10px;
  }

  .advantages .card-image {
    height: 4rem;
  }

  .whychoose.about-page-whychoose .advantages .advantages-item .txt {
    background: #ffffff;
    color: #221815;
    padding: 0.1rem 0;
  }

  .whychoose.about-page-whychoose .advantages .advantages-item .txt .more {
    color: #221815;
  }

  /* Coordinating Trims */
  .coordinating {
    background: #ffffff;
    border-bottom: 1px solid #c6c6c6;
  }

  .coordinating .container {
    display: block;
    gap: 0;
  }

  .trims-left {
    width: 100%;
  }

  .trims-title {
    font-size: 0.32rem;
    margin-bottom: 0.2rem;
    letter-spacing: 1px;
  }


  .trims-list li {
    font-size: 0.28rem;
    padding-left: 0.2rem;
  }

  .trims-right {
    width: 100%;
    display: flex;
    gap: 0.2rem;
  }

  .trim-item {
    text-align: center;
    flex: 1;
    min-width: auto;
  }

  .trim-icon {
    width: 100%;
  }


  .trim-label {
    font-size: 0.3rem;
  }

  .documents .p1 {
    font-size: 0.36rem;
  }

  .documents .docs-box {
    margin-top: 0.32rem;
  }

  .documents .docs-box .doc-row {
    padding: 0.16rem 0.24rem;
  }

  .documents .docs-box .doc-row .download-btn {
    padding: 0.1rem 0.2rem;
  }

  .documents .docs-box .doc-row .download-btn svg {
    width: 0.3rem;
    height: 0.3rem;
  }

  .resources-title {
    background: #f7f2ec;
    padding: 0.6rem 0;
    font-size: 0.36rem;
  }

  .resources .title {
    font-size: 0.36rem;
  }

  .resources .container {
    width: 6.9rem !important;
  }

  /* Floating contact button */
  .contact-float {
    right: 0.32rem;
    bottom: 10%;
    width: 1.2rem;
    height: 1.2rem;
    font-size: 0.24rem;
  }

  .about-page-whychoose .container {
    width: 6.9rem;
  }

  .about-page-whychoose .whychoose-box1 .img-box {
    width: 100%;
  }

  .whychoose.about-page-whychoose .advantages .advantages-item {
    display: block;
  }

  .whychoose.about-page-whychoose .advantages .advantages-item .txt {
    width: 100%;
    padding: 0.2rem 0.32rem;
  }


  .library-header {
    text-align: center;
    margin-bottom: 0.4rem;
  }

  .library-title {
    font-size: 0.36rem;
    margin-bottom: 0.2rem;
    font-weight: bold;
  }

  .library-desc {
    font-size: 0.3rem;
  }

  .technical-row {
    display: flex !important;
    flex-wrap: wrap;
    margin-bottom: 40px;
  }

  .technical-row .technical-card {
    width: 100%;
    margin-right: 0;
  }

  .technical-card {
    border-radius: 0.2rem;
    margin-bottom: 0.3rem;
  }

  .technical-card-image {
    height: 3rem;
  }

  .technical-card-info {
    padding: 0.2rem 0.32rem;
  }

  .technical-card-title {
    font-size: 0.32rem;
    margin-bottom: 0.2rem;
  }

  .library-pagination {
    margin: 0 8px;
  }

  .news-section .swiper-pagination-bullet,
  .library-section .swiper-pagination-bullet {
    width: 0.3rem;
    height: 0.3rem;
    margin: 0 8px !important;
  }

  .download-btn-main {
    gap: 10px;
    padding: 0.2rem 0.32rem;
    border-radius: 0.5rem;
  }

  .download-btn-main svg {
    width: 0.3rem;
    height: 0.3rem;
    margin: 0 0.1rem;
  }

  .company-hero .company-hero-bg {
    height: 5rem;
  }

  .company-hero .company-hero-content {
    font-size: 0.28rem;
    padding: 0.3rem 0;
  }

  .company-hero-title {
    font-size: 0.4rem;
    font-weight: bold;
  }

  .company-container {
    background: #f6f0ea;
    padding: 0.3rem 0 0;
  }

  .company-container .breadcrumb {
    margin-bottom: 0.32rem;
  }

  .company-item {
    gap: 0.3rem;
    margin-bottom: 0.32rem;
  }

  .company-item .img {
    height: 4rem;
  }

  .company-item .content .title {
    font-size: 0.32rem;
    margin-bottom: 8px;
  }

  .company-item .content .text {
    font-size: 0.28rem;
  }

  .company-container .resources-title {
    border-top: 20px solid #ffffff;
  }

  .company-container .resources {
    background: #ffffff;
    padding-top: 0.3rem;
  }

  .company-container .resources .container {
    width: 100%;
  }

  .company-container .discover-btn {
    padding: 0.1rem 0.32rem;
    border-radius: 0.5rem;
  }

  .company-container .discover-wrap {
    margin-top: 0.2rem;
  }
}

/* Patent / Certificates section styles */
.patent-section {
  background: #ffffff;
  padding-top: 36px;
  padding-bottom: 36px;
}

.patent-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  justify-content: center;
  align-items: flex-start;
  margin-top: 18px;
  margin-bottom: 12px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.patent-card {
  width: 100%;
  height: auto;
  background: #fff;
  border: 1px solid #eee;
  padding: 8px;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.03);
}

.patent-image {
  height: 400px;
  overflow: hidden;
}

.patent-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.patent-txt-box {
  font-size: 14px;
  margin-top: 14px;
  line-height: 1.6;
}

.patent-txt-box .patent-txt-box-title {
  font-weight: bold;
  margin-bottom: 5px;
  font-size: 18px;
}

.certificates-section .cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 22px;
}

.cert-item {
  background: #fff;
}


.cert-img {
  height: 400px;
  overflow: hidden;
  border: 1px solid #f0e9e3;
}

.cert-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.cert-caption {
  font-size: 14px;
  color: #221815;
  margin-top: 8px;
}

.logos-row {
  display: flex;
  flex-wrap: wrap;
  margin-top: 28px;
}

.logos-row .logo {
  width: 20%;
  height: auto;
}

.logos-row .logo img {
  width: auto;
  height: 180px;
  display: block;
  margin: 0 auto;
}

.key-sectors .resources,
.patent-container .resources,
.virtually .resources,
.factory-container .resources,
.productinfo-container .resources {
  background: #ffffff;
}

.key-sectors .resources .container,
.patent-container .resources .container,
.virtually .resources .container,
.factory-container .resources .container,
.productinfo-container .resources .container {
  width: 1200px;
}

/** key sectors */
.key-sectors-section {
  background: #ffffff;
}

.virtually .download-btn-main,
.key-sectors .download-btn-main {
  margin: 0 auto 80px;
  width: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 60px;
  text-align: center;
  font-size: 32px;
}

.virtually .download-btn-main svg,
.key-sectors .download-btn-main svg {
  width: 40px;
  height: 40px;
  margin-left: 10px;
}

.key-sectors-section .key-sectors-box {
  margin-bottom: 20px;
}

.key-sectors-section .key-sectors-box .img-box {
  height: 600px;
}

.key-sectors-section .key-sectors-box .img-box img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.key-sectors-section .key-sectors-box .txt {
  background: #f7f2ec;
  padding: 12px 24px;
  font-size: 24px;
  color: #221815;
  line-height: 1.6;
}

.key-sectors-section .key-sectors-box .txt .p1 {
  font-weight: bold;
  color: #221815;
}

.virtually .bg {
  width: 100%;
  height: 310px;
  position: relative;
}

.virtually .bg>img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.virtually .bg .mark {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
}

.virtually .bg .mark .container {
  color: #ffffff;
  height: 100%;
  font-size: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.virtually .bg .mark .container .p1 {
  font-size: 36px;
}

.virtually-section {
  padding-top: 0;
  background: #ffffff;
  padding-bottom: 0;
}

.virtually-img {
  background: #f7f2ec;
}

.virtually-img .container img {
  display: block;
  width: 100%;
  height: 600px;
  object-fit: cover;
}

.virtually-section .text-container {
  padding: 24px 40px 40px;
  font-size: 24px;
  color: #221815;
  line-height: 1.6;
}

.virtually-section .text-container p {
  white-space: pre-line;
}

.virtually-section .text-container .p1 {
  font-weight: bold;
  color: #000000;
}

.virtually-section .text-container a {
  display: inline-block;
  margin-top: 20px;
  color: #000000 !important;
  text-decoration: underline;
  font-weight: bold;
}

.factory-container {
  background: #ffffff;
  padding: 28px 0 36px;
}

.factory-info {
  font-size: 24px;
  white-space: pre-line;
  margin: 20px 0 30px;
}

.factory-title {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 30px;
}

.factory-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  margin-bottom: 40px;
}

.factory-row .factory-item {
  display: flex;
  flex-direction: column;

}

.factory-row .factory-item .img-box {
  height: 310px;
  overflow: hidden;
}

.factory-row .factory-item .img-box img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.factory-row .factory-item .factory-txt {
  flex: 1;
  background: #f7f2ec;
  padding: 12px;
  font-size: 20px;
}

/** productinfo */
.productinfo-container {
  background: #ffffff;
  padding: 28px 0 36px;
}


/* --------- SPC Introduction section (added) --------- */
.top-box {
  text-align: right;
}
.top-box .search-box {
  display: inline-flex;
}
.top-box .search-box select {
  border: 1px solid #8e8e8e;
  display: block;
  width: 260px;
  text-align: center;
  font-size: 18px;
  height: 40px;
  outline: none;
}
.top-box .search-box button {
  display: block;
  background: #000000;
  cursor: pointer;
  font-size: 16px;
  color: #ffffff;
  padding: 0 12px;
  line-height: 36px;
}

.spc-intro {
  padding: 60px 0;
  color: #222;
}

.spc-intro .sub-title {
  text-align: center;
  line-height: 1.8;
  color: #221815;
  font-size: 24px;
  width: 750px;
  margin: 0 auto 40px;
}

.spc-intro .spc-icons {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.spc-intro .spc-icons .icon {
  width: 130px;
  height: 130px;
  border-radius: 50%;
}
.spc-intro .spc-icons .icon img {
  display: block;
  width: 100%;
  height: 100%;
}

.spc-layer-row {
  display: flex;
  gap: 30px;
  justify-content: center;
  margin-bottom: 50px;
}

.spc-layer-row .image-box {
  width: 650px;
}

.spc-layer-row .image-box img {
  width: 100%;
  height: auto;
  display: block;
}

.spc-layer-row .txt-box {
  margin-left: 50px;
  flex: 1;
  padding-top: 74px;
}
.spc-layer-row .txt-box p{
  white-space: pre-line;
  color: #221815;
  font-size: 24px;
  line-height: 2.2;
}


.spc-showcase {
  background: #f7f2ec;
}
.spc-showcase .home-title {
  text-align: left;
}

.info-box .info-row{
  display: flex;
  align-items: center;
}
.info-box .info-row .img {
  width: 680px;
  height: 590px;
}
.info-box .info-row .img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.info-box .info-row:nth-child(even) {
  flex-direction: row-reverse;
}
.info-box .info-row .txt {
  color: #221815;
  flex: 1;
  text-align: center;
  font-size: 32px;
}
.info-box .info-row .txt > img {
  display: block;
  width: 310px;
  height: auto;
  margin: 30px auto 0;
}

.spc-download .btn-download {
  display: inline-block;
  padding: 12px 28px;
  background: #111;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  border-radius: 2px;
}

.productinfo-container .btn-download {
  width: 688px;
  height: 76px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  margin: 30px auto 0;
  background: #000000;
  font-size: 32px;
  color: #ffffff;
  padding: 0;
}
.productinfo-container .btn-download svg {
  display: block;
  width: 40px;
  height: 40px;
  fill: #ffffff;
  margin-left: 20px;
}

@media(max-width: 750px) {
  .patent-section {
    padding-top: 0.6rem;
    padding-bottom: 0.6rem;
  }

  .patent-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.2rem;
    margin-top: 0.3rem;
    margin-bottom: 0.2rem;
  }

  .patent-image {
    height: 4rem;
  }

  .patent-txt-box {
    font-size: 0.28rem;
    margin-top: 0.2rem;
  }

  .patent-txt-box .patent-txt-box-title {
    font-size: 0.32rem;
  }

  .certificates-section .cert-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.3rem;
    margin-top: 0.3rem;
  }

  .cert-img {
    height: 4rem;
  }

  .cert-caption {
    font-size: 0.28rem;
    margin-top: 8px;
  }

  .logos-row {
    display: flex;
    flex-wrap: wrap;
    margin-top: 0.4rem;
  }

  .logos-row .logo {
    width: 33.33%;
    height: auto;
  }

  .logos-row .logo img {
    width: auto;
    height: 2rem;
    display: block;
    margin: 0 auto;
  }

  .patent-container .resources {
    background: #ffffff;
  }

  .patent-container .resources .container {
    width: 1200px;
  }

  /** key sectors */
  .key-sectors-section {
    background: #ffffff;
  }

  .virtually .download-btn-main,
  .key-sectors .download-btn-main {
    margin: 0 auto 0.4rem;
    width: 6.9rem;
    border-radius: 0.6rem;
    font-size: 0.32rem;
  }

  .key-sectors .download-btn-main svg {
    width: 0.5rem;
    height: 0.5rem;
    margin-left: 0.1rem;
  }

  .key-sectors-section .key-sectors-box {
    margin-bottom: 0.4rem;
  }

  .key-sectors-section .key-sectors-box .img-box {
    height: 4rem;
  }

  .key-sectors-section .key-sectors-box .txt {
    background: #f7f2ec;
    padding: 0.2rem 0.32rem;
    font-size: 0.3rem;
    line-height: 1.6;
  }

  .key-sectors-section .key-sectors-box .txt .p1 {
    font-weight: bold;
    color: #221815;
  }
  
  .virtually .bg {
    width: 100%;
    height: 4rem;
    position: relative;
  }


  .virtually .bg .mark .container {
    font-size: 0.28rem;
  }

  .virtually .bg .mark .container .p1 {
    font-size: 0.4rem;
  }

  .virtually-section {
    padding-top: 0;
    background: #ffffff;
    padding-bottom: 0;
  }

  .virtually-img {
    background: #f7f2ec;
  }

  .virtually-img .container img {
    height: 6rem;
  }

  .virtually-section .text-container {
    padding: 0.2rem 0.32rem 0.4rem;
    font-size: 0.28rem;
    color: #221815;
    line-height: 1.6;
  }

  .virtually-section .text-container p {
    white-space: pre-line;
  }

  .virtually-section .text-container .p1 {
    font-weight: bold;
    color: #000000;
  }

  .virtually-section .text-container a {
    margin-top: 0.2rem;
    font-size: 0.3rem;
  }

  .factory-container {
    background: #ffffff;
    padding: 0.5rem 0;
  }

  .factory-info {
    font-size: 0.32rem;
    white-space: pre-line;
    margin: 0.4rem 0;
  }

  .factory-title {
    font-size: 0.32rem;
    font-weight: bold;
    margin-bottom: 0.4rem;
  }

  .factory-row {
    grid-template-columns: repeat(1, 1fr);
    gap: 15px;
    margin-bottom: 0.4rem;
  }

  .factory-row .factory-item .img-box {
    height: 3.2rem;
  }

  .factory-row .factory-item .factory-txt {
    padding: 0.32rem;
    font-size: 0.28rem;
  }

  .top-box {
    text-align: center;
    margin-top: 0.3rem;
  }
  .top-box .search-box select {
    width: 4rem;
    font-size: 0.3rem;
    height: 0.68rem;
  }
  .top-box .search-box button {
    font-size: 0.3rem;
    padding: 0 0.2rem;
    line-height: 0.68rem;
    height: 0.68rem;
    border: none;
  }

  .spc-intro {
    padding: 0.5rem 0;
  }

  .section.spc-intro .sub-title {
    font-size: 0.32rem;
    width: 92%;
    margin: 0 auto 0.4rem;
  }

  .spc-intro .spc-icons {
    gap: 0.18rem;
    margin-bottom: 0.6rem;
  }

  .spc-intro .spc-icons .icon {
    width: 1.3rem;
    height: 1.3rem;
  }
  .spc-intro .spc-icons .icon img {
    display: block;
    width: 100%;
    height: 100%;
  }

  .productinfo-container .spc-layer-row {
    display: block;
    gap: 0.3rem;
    margin-bottom: 0.5rem;
  }

  .spc-layer-row .image-box {
    width: 100%;
  }

  .spc-layer-row .txt-box {
    margin-left: 0;
    flex: 1;
    padding-top: 0.3rem;
  }
  .spc-layer-row .txt-box p{
    white-space: pre-line;
    color: #221815;
    font-size: 0.32rem;
    margin-bottom: 0;
  }
  .spc-layer-row .txt-box p:last-child{
    margin-bottom: 0;
  }

  .spc-showcase {
    background: #f7f2ec;
  }
  .spc-showcase .home-title {
    text-align: left;
  }

  .info-box .info-row{
    display: block;
    align-items: center;
  }
  .info-box .info-row .img {
    width: 100%;
    height: 3rem;
  }
  .info-box .info-row:nth-child(even) {
    flex-direction: column;
  }
  .info-box .info-row .txt {
    color: #221815;
    text-align: center;
    font-size: 0.36rem;
    margin-top: 0.3rem;
  }
  .info-box .info-row .txt > img {
    display: block;
    width: 50%;
    height: auto;
    margin: 0 auto 0;
  }

  .productinfo-container .btn-download {
    width: 6.9rem;
    height: 1rem;
    margin: 30px auto 0;
    background: #000000;
    font-size: 0.32rem;
  }
  .productinfo-container .btn-download svg {
    width: 0.5rem;
    height: 0.5rem;
    margin-left: 0.2rem;
  }
  .section.resources {
    padding: 0.2rem 0 0.4rem;
  }
  .virtually .resources,
  .factory-container .resources,
  .productinfo-container .resources {
    background: #ffffff;
    padding: 0.2rem 0 0;
  }
}