@charset "utf-8";
/* CSS Document */
blockquote, body, button, dd, div, dl, dt, form, h1, h2, h3, h4, h5, h6, input, li, ol, p, pre, td, textarea, th, ul {
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
a:active, a:hover {
  outline: 0;
}
@font-face {
  font-family: 'JiangChengYuanTi';
  src: url("../font/jiangchengyuanti400W.ttf");
}
img {
  display: inline-block;
  border: none;
  vertical-align: middle;
  width: 100%;
}
p {
  white-space: normal;
}
li {
  list-style: none;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}
h1, h2, h3, h4 {
  font-weight: 700;
}
h5, h6 {
  font-weight: 500;
  font-size: 100%
}
button, input, select, textarea {
  font-size: 100%
}
button, input, optgroup, option, select, textarea {
  font-family: inherit;
  font-size: inherit;
  font-style: inherit;
  font-weight: inherit;
  outline: 0
}
pre {
  white-space: pre-wrap;
  white-space: -moz-pre-wrap;
  white-space: -pre-wrap;
  white-space: -o-pre-wrap;
  word-wrap: break-word;
}
body {
  line-height: 1.6;
  color: #333;
  color: rgba(0, 0, 0, .85);
}
hr {
  height: 0;
  line-height: 0;
  margin: 10px 0;
  padding: 0;
  border: none;
  border-bottom: 1px solid #eee;
  clear: both;
  overflow: hidden;
  background: 0 0
}
a {
  color: #333;
  text-decoration: none;
}
a:hover {
  color: #777;
}
a cite {
  font-style: normal;
  cursor: pointer;
}
/**********************************/
.nybanner {
  overflow: hidden;
  width: 100%;
  position: relative;
}
.postion {
  position: absolute;
  bottom: 23px;
  text-align: right;
  right: 6%;
}
.prolist {
  width: 100%;
  overflow: hidden;
  background: url("../image/probg_06.jpg") no-repeat;
  background-size: 100%;
}
.prolist .plistcont {
  width: 85%;
  margin: 3rem auto 0 auto;
  overflow: hidden;
}
.prolist .plistcont .pipe {
  width: 70%;
  margin: 0 auto;
}
.legend-container {
  background-color: white;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  padding: 30px 40px;
  width: fit-content;
  max-width: 95%;
  border: 1px solid #eaeaea;
}
.legend-title {
  color: #333;
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 25px;
  padding-bottom: 15px;
  border-bottom: 1px solid #eee;
  text-align: center;
  letter-spacing: 1px;
}
.legend-items {
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-between;
  align-items: center;
  position: relative;
}
.legend-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 120px;
  padding: 15px 10px;
  text-align: center;
  transition: all 0.3s ease;
  border-radius: 8px;
  cursor: pointer;
  position: relative;
  z-index: 1;
}
.dotted-divider {
  flex: 1;
  height: 0;
  border-top: dotted 4px #000;
  min-width: 20px;
  max-width: 40px;
  margin: 0 5px;
  opacity: 0.7;
  transition: all 0.3s ease;
}
.legend-item:hover ~ .dotted-divider, .dotted-divider:hover {
  border-color: #a0aec0;
}
.icon-container {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 15px;
  font-size: 24px;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
}
.legend-item:hover .icon-container {
  transform: translateY(-8px) scale(1.1);
}
.category-name {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: 1px;
  transition: color 0.3s ease;
  color: #666666;
}
.water-supply:hover .category-name {
  color: #1976d2;
}
.drainage:hover .category-name {
  color: #1051a1;
}
.heating:hover .category-name {
  color: #0f519f;
}
.electrical:hover .category-name {
  color: #0f519f;
}
.other:hover .category-name {
  color: #0f519f;
}
.gas-supply:hover .category-name {
  color: #0f519f;
}
.category-symbol {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  color: #555;
  background-color: #f0f2f5;
  padding: 4px 8px;
  border-radius: 4px;
  min-height: 24px;
  line-height: 1.3;
  word-break: break-all;
  border: 1px dashed #d1d9e6;
  width: 100%;
  transition: all 0.3s ease;
}
.legend-item:hover .category-symbol {
  background-color: #e8eaf6;
  border-color: #c5cae9;
  transform: translateY(-2px);
}
.icon-container::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.8) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.legend-item:hover .icon-container::after {
  opacity: 0.3;
}
.decorative-text {
  text-align: center;
  color: #888;
  font-size: 14px;
  margin-top: 25px;
  letter-spacing: 2px;
  font-family: 'Courier New', monospace;
}
.hydro-duct-reset {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', 'Roboto', sans-serif;
}
.hydro-duct-body {
  background-color: #f8fafc;
  padding: 30px 20px;
  min-height: 100vh;
}
.hydro-duct-container {
  width: 100%;
  margin: 0 auto;
  padding: 20px;
}
.hydro-category-title {
  font-size: 2rem;
  font-weight: 700;
  color: #083b73;
  margin-bottom: 30px;
  padding-bottom: 15px;
  position: relative;
  text-align: center;
}
.hydro-category-title::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 46%;
  width: 8rem;
  height: 2px;
  background: #999999;
}
.hydro-product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
  margin-bottom: 50px;
}
.hydro-product-card {
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid #e2e8f0;
}
.hydro-product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
  border-color: #cbd5e1;
}
.hydro-product-img-box {
  width: 100%;
  overflow: hidden;
  position: relative;
}
.hydro-product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.hydro-product-card:hover .hydro-product-img {
  transform: scale(1.05);
}
.hydro-category-tag {
  position: absolute;
  top: 15px;
  right: 15px;
  padding: 6px 15px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  z-index: 2;
}
.hydro-tag-pvc {
  background: linear-gradient(135deg, #10b981, #34d399);
  color: white;
}
.hydro-tag-ppr {
  background: linear-gradient(135deg, #3b82f6, #6366f1);
  color: white;
}
.hydro-product-content {
  padding: 20px;
}
.hydro-product-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #003c7a;
  margin-bottom: 10px;
  line-height: 1.4;
}
.hydro-product-title a {
  color: #003c7a;
  font-weight: 600;
}
.hydro-product-desc {
  font-size: 14px;
  color: #64748b;
  line-height: 1.6;
  margin-bottom: 15px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.hydro-product-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 15px;
}
.hydro-spec-item {
  font-size: 1rem;
  color: #475569;
  border-radius: 4px;
}
.hydro-ppr-grid {
  grid-template-columns: repeat(4, 1fr);
}
.hydro-section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, #cbd5e1, transparent);
  margin: 40px 0;
}
.ad-container {
  width: 100%;
  overflow: hidden;
}
.ad-content {
  display: flex;
  flex-wrap: wrap;
  min-height: 500px;
}
.ad-text {
  flex: 1;
  min-width: 300px;
  padding: 50px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  margin-left: 6rem;
}
.ad-text::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  height: 80%;
}
.ad-title {
  font-size: 2rem;
  font-weight: bold;
  color: #003c7a;
  line-height: 1.3;
  margin-bottom: 1.3rem;
  position: relative;
  padding-bottom: 15px;
}
.ad-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
}
.ad-description {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #333;
  margin-bottom: 40px;
  text-align: justify;
}
.ad-services {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.2rem;
}
.service-item {
  font-size: 0.9rem;
  color: #008dcf;
  line-height: 1.5;
}
.more-info {
  align-items: center;
  font-size: 1.2rem;
  color: #666;
  border: solid 1px #b0b1b2;
  width: 16%;
  text-align: center;
  line-height: 2.5rem;
  border-radius: 8px;
}
.more-info a:hover {
  color: #003c7a;
}
.ad-image {
  flex: 1;
  min-width: 253px;
  display: flex;
  overflow: hidden;
  text-align: right;
  flex-direction: row-reverse;
  align-items: flex-end;
}
.image-wrapper {
  width: 100%;
  height: 100%;
  max-height: 440px;
  background: linear-gradient(145deg, #0056b3 0%, #003d82 100%);
  border-radius: 4px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: white;
  box-shadow: 0 10px 30px rgba(0, 86, 179, 0.2);
  overflow: hidden;
}
.image-wrapper::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 30px 30px;
  transform: rotate(15deg);
  animation: gridMove 20s linear infinite;
}
.image-icon {
  font-size: 80px;
  margin-bottom: 25px;
  z-index: 2;
  position: relative;
}
.image-text {
  font-size: 28px;
  font-weight: bold;
  margin-bottom: 15px;
  z-index: 2;
  position: relative;
  text-align: center;
}
.image-subtext {
  font-size: 18px;
  opacity: 0.9;
  z-index: 2;
  position: relative;
  text-align: center;
}
.image-decoration {
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  z-index: 1;
}
.decoration-1 {
  top: -80px;
  right: -80px;
}
.decoration-2 {
  bottom: -60px;
  left: -60px;
  width: 150px;
  height: 150px;
}
.proserver {
  width: 100%;
  float: right;
}
.product-content-wrapper {
  width: 100%;
  margin: 0 auto;
}
.product-display-container {
  overflow: hidden;
  display: flex;
  flex-wrap: wrap;
  transition: all 0.3s ease;
}
.product-visual-section {
  flex: 1;
  min-width: 300px;
  background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
}
.product-details-section {
  flex: 1;
  min-width: 300px;
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
}
.product-image-zoomer {
  position: relative;
  width: 100%;
  height: auto;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  cursor: crosshair;
}
.main-product-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}
.image-zoom-lens {
  position: absolute;
  border: 2px solid rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  width: 150px;
  height: 150px;
  pointer-events: none;
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(4px);
  display: none;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
  z-index: 10;
}
.image-zoom-result {
  position: absolute;
  top: 0;
  left: calc(100% + 20px);
  width: 400px;
  height: 400px;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  display: none;
  z-index: 100;
  background: white;
}
.zoomed-image {
  position: absolute;
  width: 800px;
  height: 800px;
  object-fit: cover;
}
.product-title-heading {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1a237e;
  margin-bottom: 20px;
  line-height: 1.2;
  position: relative;
  padding-bottom: 15px;
  border-bottom: solid 1px #afb1b1;
  width: 90%;
}
.product-title-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 111px;
  height: 4px;
  background: linear-gradient(90deg, #1a237e, #3949ab);
  border-radius: 2px;
}
.product-description-text {
  font-size: 1rem;
  color: #555;
  margin-bottom: 30px;
  line-height: 35px;
  padding-right: 10px;
  flex-grow: 1;
  word-break: break-word;
}
.product-contact-container {
  display: flex;
  flex-wrap: wrap;
  gap: 25px;
  margin-top: 20px;
  align-content: space-around;
  justify-content: space-between;
}
.contact-info-item {
  display: flex;
  align-items: center;
  padding: 8px 8px;
  flex: 1;
  transition: all 0.3s ease;
  flex-direction: row;
  justify-content: center;
}
.contact-info-item:nth-child(1) {
  background-color: #facd00;
}
.contact-info-item:nth-child(2) {
  background-color: #003c7a;
}
.contact-info-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(57, 73, 171, 0.1);
}
.contact-icon-wrapper {
  width: 33px;
  height: 35px;
  border-radius: 43%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 18px;
  color: white;
  font-size: 1.4rem;
}
.contact-details {
  display: flex;
  flex-direction: column-reverse;
  flex-wrap: wrap;
  align-content: stretch;
  justify-content: center;
}
.contact-details a {
  color: #fff;
}
.contact-label {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 5px;
}
.contact-value {
  font-size: 1.3rem;
  font-weight: 600;
  color: #fff;
  word-break: break-all;
}
.zoom-hint {
  margin-top: 20px;
  color: #666;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.7);
  padding: 10px 15px;
  border-radius: 8px;
  border: 1px dashed #ccc;
  width: 100%;
  max-width: 500px;
}
.zoom-hint i {
  margin-right: 8px;
  color: #1a237e;
}
.watermark {
  margin-top: 40px;
  text-align: center;
  color: #999;
  font-size: 0.9rem;
  padding-top: 20px;
  border-top: 1px solid #eee;
  width: 100%;
}
.product-content-container {
  border-radius: 12px;
  overflow: hidden;
  margin-top: 3rem;
}
.product-detail-tabs-holder {
  position: relative;
}
.tabs-navigation-bar {
  display: flex;
  background-color: #ffffff;
  border-bottom: 1px solid #999999;
  position: sticky;
  top: 0;
  z-index: 10;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs-navigation-bar::-webkit-scrollbar {
  display: none;
}
.tab-selector-btn {
  flex: 1;
  min-width: 120px;
  padding: 20px 12px;
  text-align: center;
  font-size: 1.5rem;
  font-weight: 500;
  color: #595959;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
  cursor: pointer;
  outline: none;
  position: relative;
  white-space: nowrap;
  text-align: left;
}
/*
.tab-selector-btn.active-tab {

	border-bottom-color: #003c7a;
	background-color: rgba(24, 144, 255, 0.04);
	font-size: 1.5rem;
}*/
.tab-content-area {
  padding: 15px;
  min-height: 400px;
  word-break: break-word;
}
.tab-content-panel {
  display: block;
  animation: tabContentFade 0.4s ease-out;
}
.tab-content-panel.active-panel {
  display: block;
}
.specifications-grid {
  display: grid;
  gap: 0;
}
.spec-item-row {
  display: flex;
  padding: 18px 0;
  border-bottom: 1px solid #f0f0f0;
}
.spec-item-row:last-child {
  border-bottom: none;
}
.spec-label-container {
  width: 200px;
  font-weight: 500;
  color: #595959;
  flex-shrink: 0;
}
.spec-value-container {
  flex: 1;
  color: #262626;
}
.spec-highlight {
  color: #1890ff;
  font-weight: 500;
}
.detail-content-wrapper {
  font-size: 1rem;
  line-height: 35px;
  /* font-family: "微软雅黑"; */
}
.detail-content-wrapper img {
  width: auto;
}
.detail-content-wrapper p {
  margin-bottom: 20px;
  text-align: justify;
  color: #595959;
  font-size: 1rem;
  line-height: 2rem;
}
.detail-feature-list {
  margin: 24px 0;
  padding-left: 20px;
}
.detail-feature-list li {
  margin-bottom: 12px;
  color: #595959;
}
.selling-points-container {
  display: grid;
  gap: 20px;
}
.selling-point-card {
  display: flex;
  padding: 24px;
  background-color: #fafafa;
  border-radius: 8px;
  border-left: 4px solid #1890ff;
  transition: transform 0.3s, box-shadow 0.3s;
}
.selling-point-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}
.point-icon-wrapper {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #1890ff, #0050b3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 20px;
  flex-shrink: 0;
  color: white;
  font-size: 24px;
}
.point-content-box h3 {
  font-size: 18px;
  margin-bottom: 8px;
  color: #262626;
}
.point-content-box p {
  font-size: 15px;
  color: #595959;
}
.vortexflow-scroller {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 16px;
  padding: 1.5rem 0;
}
.vortexflow-track {
  /* display: flex; */
  /* animation: vortexflow-marquee 40s linear infinite; */
  gap: 5rem;
  padding: 0 1rem;
}
.vortexflow-scroller:hover .vortexflow-track {
  animation-play-state: paused;
}
.vortexflow-item {
  flex: 0 0 auto;
  width: 23%;
  overflow: hidden;
  transition: all 0.3s ease;
  float: left;
  margin: 0 1%;
}
.vortexflow-item:hover {
  transform: translateY(-10px) scale(1.03);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}
.vortexflow-img-container {
  width: 100%;
  overflow: hidden;
}
.vortexflow-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.vortexflow-item:hover .vortexflow-img {
  transform: scale(1.1);
}
.vortexflow-caption {
  padding: 1.2rem;
  background-color: white;
}
.vortexflow-caption h3 {
  font-size: 1.3rem;
  color: #2c3e50;
  margin-bottom: 0.5rem;
}
.vortexflow-caption p {
  font-size: 0.95rem;
  color: #7f8c8d;
  line-height: 1.5;
}
.news-content {
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  padding: 30px;
  margin: 0;
}
.news-title {
  font-size: 2rem;
  margin-bottom: 20px;
  color: #1a1a1a;
  border-bottom: 1px solid #eee;
  padding-bottom: 15px;
  line-height: 1.3;
}
.news-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 25px;
  padding-bottom: 20px;
  border-bottom: 1px solid #eee;
  color: #666;
  font-size: 0.95rem;
}
.meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
}
.meta-item i {
  color: #1a73e8;
}
.news-body {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #444;
}
.news-body p {
  margin-bottom: 20px;
  text-align: justify;
}
.news-body h3 {
  margin: 25px 0 15px;
  color: #1a73e8;
}
.news-body .image-container {
  margin: 25px 0;
  text-align: center;
}
.news-body img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}
.news-body .image-caption {
  font-size: 0.9rem;
  color: #777;
  margin-top: 8px;
  font-style: italic;
}
.news-navigation {
  display: flex;
  justify-content: space-between;
  margin-top: 40px;
  padding-top: 25px;
}
.nav-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background-color: #fff;
  text-decoration: none;
  color: #333;
  transition: all 0.3s ease;
  flex: 0 1 48%;
}
.nav-btn:hover {
  background-color: #fff;
  color: #023581;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(26, 115, 232, 0.2);
}
.nav-btn:hover .nav-title {
  color: #023985;
}
.nav-btn:hover i {
  color: white;
}
.nav-btn.prev {
  text-align: left;
}
.nav-btn.next {
  text-align: right;
  flex-direction: row-reverse;
}
.nav-arrow {
  font-size: 1.2rem;
  color: #1a73e8;
  margin-right: 1rem;
}
.nav-text {
  display: flex;
  flex-direction: column;
  flex: 1;
}
.nav-label {
  font-size: 0.9rem;
  color: #777;
  margin-bottom: 5px;
}
.nav-title {
  font-size: 1rem;
  font-weight: 600;
  color: #333;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.river-header {
  text-align: center;
  padding: 4rem 1.5rem 3rem;
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-teal) 100%);
  color: white;
  position: relative;
  overflow: hidden;
}
.river-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}
.main-title {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  position: relative;
  z-index: 2;
}
.main-subtitle {
  font-size: 1.4rem;
  font-weight: 300;
  max-width: 700px;
  margin: 0 auto;
  opacity: 0.9;
  position: relative;
  z-index: 2;
}
.transport-flow {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 1.5rem 5rem;
}
.river-card {
  display: flex;
  margin-bottom: 8rem;
  position: relative;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.river-card.visible {
  opacity: 1;
  transform: translateY(0);
}
.river-card-left {
  flex-direction: row;
}
.river-card-right {
  flex-direction: row-reverse;
}
.river-content {
  flex: 1;
  position: relative;
  z-index: 3;
  padding: 3rem 2.5rem;
  background-color: white;
  border-radius: 16px;
  box-shadow: var(--card-shadow);
  max-width: 550px;
}
.river-card-left .river-content {
  margin-right: -60px;
  margin-top: 20px;
  margin-bottom: 20px;
}
.river-card-right .river-content {
  margin-left: -60px;
  margin-top: 40px;
}
.content-title {
  color: var(--primary-blue);
  padding-bottom: 1rem;
  position: relative;
}
.content-title::after {
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 80px;
  height: 4px;
  background-color: var(--secondary-teal);
}
.river-text {
  font-size: 1.15rem;
  color: var(--text-light);
  margin-bottom: 1.8rem;
}
.river-features {
  list-style: none;
  margin-top: 2rem;
}
.river-feature-item {
  padding: 0.8rem 0;
  padding-left: 2.5rem;
  position: relative;
  font-size: 1.1rem;
}
.river-feature-item::before {
  content: '\f054';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 0.9rem;
  color: var(--accent-green);
  font-size: 1rem;
}
.river-image-container {
  flex: 1.2;
  position: relative;
  z-index: 2;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  min-height: 450px;
}
.river-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}
.river-card:hover .river-image {
  transform: scale(1.05);
}
.image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(26, 95, 122, 0.2), rgba(44, 120, 115, 0.4));
  z-index: 1;
}
.water-wave {
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 100%;
  height: 100px;
  background-size: cover;
  background-position: center;
  z-index: 1;
}
@media (min-width: 992px) {
  .bottom-fixed {
    display: none;
  }
  .product-contact-container {
    width: 55%;
  }
}
@media (max-width: 1100px) {
  .main-title {
    font-size: 2.8rem;
  }
  .river-content {
    padding: 2.5rem 2rem;
  }
  .content-title {
    font-size: 2rem;
  }
}
@media (max-width: 1024px) {
  .legend-items {
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
  }
  .legend-item {
    min-width: 110px;
  }
  .dotted-divider {
    display: none;
  }
  .hydro-product-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}
@media (max-width: 992px) {
  .postion {
    position: absolute;
    bottom: 23px;
    text-align: right;
    right: 6%;
  }
  .selling-points-container {
    grid-template-columns: repeat(2, 1fr);
  }
  .ad-content {
    flex-direction: column;
  }
  .ad-text::after {
    display: none;
  }
  .ad-text, .ad-image {
    padding: 40px 30px;
  }
  .ad-title {
    font-size: 32px;
  }
  .service-item {
    font-size: 18px;
  }
}
@media (max-width: 900px) {
  .river-card {
    flex-direction: column;
    margin-bottom: 5rem;
  }
  .river-card-left .river-content, .river-card-right .river-content {
    margin: -40px 20px 0 20px;
    max-width: calc(100% - 40px);
  }
  .river-image-container {
    min-height: 350px;
  }
  .river-content {
    order: 2;
  }
  .river-image-container {
    order: 1;
  }
}
@media (max-width: 768px) {
  .prolist {
    margin-bottom: 50px;
  }
  .more-info {
    width: 30%;
    font-size: 1rem;
  }
  .detail-content-wrapper {
    font-size: 0.9rem;
  }
  .prolist .plistcont {
    width: 90%;
    margin: 2rem auto 0 auto;
    overflow: hidden;
  }
  .postion {
    display: none;
  }
  .news-content {
    padding: 20px;
  }
  .news-title {
    font-size: 1.6rem;
  }
  .news-meta {
    gap: 15px;
    font-size: 0.9rem;
  }
  .news-body {
    font-size: 1rem;
  }
  .news-navigation {
    flex-direction: column;
    gap: 15px;
  }
  .nav-btn {
    flex: 1;
    width: 100%;
  }
  .vortexflow-item {
    width: 31.3%;
  }
  .vortexflow-img-container {
    height: 180px;
    /* width: 94.3%; */
  }
  .vortexflow-track {
    gap: 1.5rem;
  }
  .vortexflow-scroller {
    border-radius: 12px;
  }
  .tab-content-area {
    padding: 9px;
  }
  .spec-item-row {
    flex-direction: column;
    padding: 16px 0;
  }
  .spec-label-container {
    width: 100%;
    margin-bottom: 8px;
  }
  .selling-point-card {
    flex-direction: column;
    padding: 20px;
  }
  .point-icon-wrapper {
    margin-right: 0;
    margin-bottom: 16px;
  }
  .tab-selector-btn {
    padding: 16px 12px;
    font-size: 15px;
  }
  .tab-selector-btn.active-tab {
    font-size: 1rem;
  }
  .product-display-container {
    flex-direction: column;
  }
  .product-visual-section, .product-details-section {
    padding: 0;
    height: auto;
    width: 100%;
    margin-top: 1rem;
  }
  .product-image-zoomer {
    height: 300px;
  }
  .product-title-heading {
    font-size: 2.2rem;
  }
  .image-zoom-result {
    display: none !important;
  }
  .contact-info-item {
    min-width: 100%;
  }
  .zoom-hint {
    font-size: 0.85rem;
  }
  .hydro-product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .hydro-category-title {
    font-size: 24px;
  }
  .hydro-product-img-box {
    height: 180px;
  }
  .legend-container {
    padding: 20px;
  }
  .legend-items {
    gap: 10px;
  }
  .legend-item {
    min-width: 100px;
    padding: 10px 5px;
  }
  .icon-container {
    width: 50px;
    height: 50px;
    font-size: 20px;
  }
  .legend-item:hover .icon-container {
    transform: translateY(-5px) scale(1.05);
  }
  .dotted-divider {
    display: none;
  }
}
@media (max-width: 600px) {
  .main-title {
    font-size: 2.3rem;
  }
  .main-subtitle {
    font-size: 1.2rem;
  }
  .river-content {
    padding: 2rem 1.5rem;
  }
  .content-title {
    font-size: 1.8rem;
  }
  .river-text {
    font-size: 1.05rem;
  }
  .transport-flow {
    padding: 1rem 1rem 3rem;
  }
}
@media (max-width: 576px) {
  .ad-text {
    margin-left: 0
  }
  .ad-text, .ad-image {
    padding: 30px 20px;
  }
  .ad-title {
    font-size: 28px;
  }
  .ad-description {
    font-size: 16px;
  }
  .service-item {
    font-size: 16px;
  }
  .image-text {
    font-size: 24px;
  }
  .image-icon {
    font-size: 60px;
  }
}
@media (max-width: 480px) {
  .nav-btn {
    padding: 10px 15px;
  }
  .vortexflow-item {
    width: 31.3%;
    height: auto;
  }
  .vortexflow-img-container {
    height: 100px;
  }
  .vortexflow-track {
    gap: 1rem;
  }
  .product-title-heading {
    font-size: 1.5rem;
  }
  .product-description-text {
    font-size: 1.05rem;
  }
  .product-image-zoomer {
    height: 255px;
  }
  .hydro-product-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .hydro-category-title {
    font-size: 22px;
  }
  .hydro-product-img-box {
    height: 160px;
  }
  .hydro-product-content {
    padding: 15px;
  }
}
@keyframes vortexflow-marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-240px * 6 - 1.5rem * 6));
  }
}
@keyframes vortexflow-marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-220px * 6 - 1rem * 6));
  }
}
@keyframes gridMove {
  0% {
    transform: rotate(15deg) translate(0, 0);
  }
  100% {
    transform: rotate(15deg) translate(30px, 30px);
  }
}
@media print {
  .ad-container {
    box-shadow: none;
  }
  .image-wrapper {
    border: 2px solid #ddd;
  }
}
@keyframes vortexflow-marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-280px * 6 - 2rem * 6));
  }
}