* {
  margin: 0px;
  padding: 0px;
  box-sizing: border-box;
}
:root {
  --primary: #1d95d4;
  --secondary: #000;
  --title: #161616;
  --text: #565656;
  --text_w: rgba(255, 255, 255, 0.85);
  --border: #cecece;
  --bg: #f7f9fb;
}
html {
  scroll-behavior: smooth;
  font-size: clamp(7.5px, 0.520834vw, 10px);
}
.content {
  max-width: 132rem;
  margin: 0px auto;
  position: relative;
}
li {
  list-style: none;
}
a {
  color: inherit;
  cursor: pointer;
  font-size: inherit;
  text-decoration: none;
}
body {
  font-size: 1.6rem;
  word-break: break-word;
  color: var(--title);
}
.Oswald,
h1,
h2,
h3,
strong,
.title {
}
.product_nav {
  background-color: var(--bg);
  border-bottom: 1px solid rgb(211, 211, 211);
}
.product_nav .nav_list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem 6.25%;
}
.product_nav .nav_item {
  position: relative;
  display: block;
  height: 100%;
  cursor: pointer;
  transition: 0.3s;
  text-align: center;
  font-size: 2.2rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 2.9rem 0px 3rem;
}
.product_nav .nav_item::after {
  width: calc(100% + 6.2rem);
  height: 4px;
  position: absolute;
  background-color: var(--primary);
  left: 50%;
  bottom: 0px;
  content: "";
  transition: 0.3s;
  transform: translateX(-50%);
  opacity: 0;
}
.product_nav .nav_item.active,
.product_nav .nav_item:hover {
  color: var(--primary);
}
.product_nav .nav_item.active::after,
.product_nav .nav_item:hover::after {
  opacity: 1;
}
@media screen and (min-width: 769px) and (max-width: 1220px) {
  .content {
    padding: 0px 3rem;
    max-width: 1220px;
  }
}

@media screen and (min-width: 769px) and (max-width: 1024px) {
  .content,
  .swiper_content {
    max-width: 896px;
  }
}

@media screen and (min-width: 769px) and (max-width: 896px) {
  .content,
  .swiper_content {
    max-width: 768px;
  }
}

@media screen and (min-width: 769px) {
  ul::-webkit-scrollbar,
  div::-webkit-scrollbar {
    width: 4px;
  }
  ul::-webkit-scrollbar-thumb,
  div::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background-color: rgb(139, 139, 139);
  }
}

@media screen and (max-width: 768px) {
  html {
    font-size: 10px;
  }
  body {
    font-size: 1.4rem;
  }
  .content {
    padding: 0px 30px;
  }
  .product_nav .nav_list {
    width: calc(100% + 60px);
    margin: 0px -30px;
    padding: 0px 30px;
    flex-wrap: nowrap;
    gap: 20px;
    white-space: nowrap;
    overflow-x: auto;
    justify-content: unset;
  }
  .product_nav .nav_list::-webkit-scrollbar {
    display: none;
  }
  .product_nav .nav_list li:first-child {
    margin-left: auto;
  }
  .product_nav .nav_list li:last-child {
    margin-right: auto;
  }
  .product_nav .nav_item {
    font-size: 14px;
    padding: 20px 10px;
  }
  .product_nav .nav_item::after {
    width: 100%;
  }
}

@media screen and (max-width: 576px) {
  .content {
    padding: 0px 20px;
  }
  .product_nav .nav_list {
    width: calc(100% + 40px);
    margin: 0px -20px;
    padding: 0px 20px;
  }
}

* {
  margin: 0px;
  padding: 0px;
  box-sizing: border-box;
}
:root {
  --primary: #1d95d4;
  --secondary: #000;
  --title: #161616;
  --text: #565656;
  --text_w: rgba(255, 255, 255, 0.85);
  --border: #cecece;
  --bg: #f7f9fb;
}
html {
  scroll-behavior: smooth;
  font-size: clamp(7.5px, 0.520834vw, 10px);
}
.content {
  max-width: 132rem;
  margin: 0px auto;
  position: relative;
}
li {
  list-style: none;
}
body {
  font-size: 1.6rem;
  word-break: break-word;
  color: var(--title);
}
.Oswald,
h1,
h2,
h3,
strong,
.title {
}
h1,
h2 {
  text-transform: uppercase;
}
.img_bg {
  position: relative;
  z-index: 2;
}
.img_bg > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  left: 0px;
  top: 0px;
  z-index: -2;
  pointer-events: none;
}
.icon.icon_ab {
  position: relative;
}
.icon.icon_ab img {
  position: absolute;
  left: 0px;
  top: 0px;
}
.icon img {
  display: block;
  object-fit: contain;
  width: 100%;
  height: 100%;
  transition: 0.3s;
}
.syedittext p,
.syedittext .desc {
  font-size: 1.8rem;
  line-height: 2.8rem;
  color: var(--text);
}
.head .subtitle {
  font-size: 1.8rem;
  font-weight: 400;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.9rem;
  letter-spacing: 0.11rem;
}
.head h2 {
  font-size: 5rem;
  line-height: 1.16;
  font-weight: 600;
}
.page_advantages {
  padding: 15.4rem 0px 15.7rem;
}
.page_advantages .subtitle {
  margin-bottom: 1.3rem;
}
.page_advantages h2 {
  max-width: 67.3rem;
}
.page_advantages .items {
  margin-top: 4.9rem;
}
.page_advantages .items ul {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(32rem, 100%), 1fr));
  gap: 3.9rem 2.57576%;
}
.active .advantage_item {
  border-color: var(--primary);
  background-color: var(--primary);
}
.active .advantage_item .info h3 {
  color: rgb(255, 255, 255);
}
.active .advantage_item .info p {
  color: var(--text_w);
}
.active .advantage_item .icon .black {
  opacity: 0;
}
.advantage_item {
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: 0.3s;
  border-radius: 1.7rem;
  border: 1px solid rgb(232, 232, 232);
  background-color: rgb(255, 255, 255);
  padding: 10.543% 7.1884% 8.1468%;
  min-height: 42.8rem;
}
.advantage_item .info {
  flex: 1 1 0%;
}
.advantage_item .info h3 {
  font-size: 3rem;
  line-height: 4rem;
  font-weight: 600;
  color: rgb(35, 35, 35);
  transition: 0.3s;
  max-width: 23rem;
  min-height: 8rem;
}
.advantage_item .info p {
  transition: 0.3s;
  margin-top: 3.8rem;
  hyphens: unset;
}
.advantage_item .icon {
  width: 7rem;
  height: 7rem;
  margin-top: 3rem;
}
.advantage_item .icon img {
  transition: 0.3s;
}
.advantage_item.active {
  border-color: var(--primary);
  background-color: var(--primary);
}
.advantage_item.active .info h3 {
  color: rgb(255, 255, 255);
}
.advantage_item.active .info p {
  color: var(--text_w);
}
.advantage_item.active .icon .black {
  opacity: 0;
}
.page_advantages {
  padding-top: 9.9rem;
  padding-bottom: 14.8rem;
}
.page_advantages .subtitle {
  margin-bottom: 0.7rem;
}
.page_advantages h2 {
  max-width: 46.9rem;
}
.advantage_item .info h3 {
  max-width: 32rem;
}
@media screen and (min-width: 769px) and (max-width: 1220px) {
  .content {
    padding: 0px 3rem;
    max-width: 1220px;
  }
}

@media screen and (min-width: 769px) and (max-width: 1024px) {
  .content,
  .swiper_content {
    max-width: 896px;
  }
}

@media screen and (min-width: 769px) and (max-width: 896px) {
  .content,
  .swiper_content {
    max-width: 768px;
  }
  .head h2 {
    font-size: 4rem;
  }
}

@media screen and (min-width: 769px) {
  ul::-webkit-scrollbar,
  div::-webkit-scrollbar {
    width: 4px;
  }
  ul::-webkit-scrollbar-thumb,
  div::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background-color: rgb(139, 139, 139);
  }
}

@media screen and (max-width: 768px) {
  html {
    font-size: 10px;
  }
  body {
    font-size: 1.4rem;
  }
  .content {
    padding: 0px 30px;
  }
  .syedittext p,
  .syedittext .desc {
    font-size: 14px;
    line-height: 1.5;
  }
  div.head .subtitle {
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 8px;
    word-spacing: unset;
    letter-spacing: 1px;
  }
  div.head h2 {
    font-size: 22px;
    line-height: 1.3;
    letter-spacing: unset;
    max-width: unset;
    word-spacing: unset;
  }
  .page_advantages {
    padding: 50px 0px;
  }
  .page_advantages.img_bg {
    background-color: var(--bg);
  }
  .page_advantages .items {
    margin-top: 30px;
  }
  .page_advantages .items ul {
    grid-template-columns: repeat(auto-fill, minmax(min(250px, 100%), 1fr));
    gap: 16px;
  }
  .advantage_item {
    padding: 20px;
    min-height: unset;
    border-radius: 10px;
  }
  .advantage_item .info h3 {
    font-size: 18px;
    line-height: 1.5;
    min-height: 54px;
    max-width: 180px;
  }
  .advantage_item .info p {
    margin-top: 10px;
  }
  .advantage_item .icon {
    width: 50px;
    height: 50px;
    margin-top: 20px;
  }
  .page_advantages {
    padding: 50px 0px;
  }
  .advantage_item .info h3 {
    max-width: 200px;
  }
}

@media screen and (max-width: 576px) {
  .content {
    padding: 0px 20px;
  }
}



* { margin:0; padding:0; box-sizing:border-box; }
:root {
  --primary:#1d95d4;
  --title:#161616;
  --text:#565656;
}
html { scroll-behavior: smooth; font-size:clamp(7.5px,0.520834vw,10px); }
.content { max-width:132rem; margin:0 auto; position:relative; }
li { list-style:none; }
table { width:100%; border-collapse:collapse; }
body { font-size:1.6rem; color:var(--title); word-break:break-word; }
h1,h2 { text-transform:uppercase; }
.head .subtitle { font-size:1.8rem; font-weight:400; color:var(--primary); margin-bottom:0.9rem; letter-spacing:0.11rem; }
.head h2 { font-size:5rem; line-height:1.16; font-weight:600; }
.head.syedittext { min-height:120px; padding-bottom:1rem; }
.product_parameters { padding:6.7rem 0 7.7rem; }
.product_parameters .items { margin-top:2.6rem; }
.product_parameters .items .item { border-bottom:1px solid #d3d3d3; position:relative; }
.product_parameters .items .item.active .title::before { background-color:var(--primary); transform:rotate(180deg);}
.product_parameters .items .title { display:grid; grid-template-columns:4rem 1fr; align-items:center; cursor:pointer; font-size:2.4rem; font-weight:700; text-transform:uppercase; gap:1.7rem; padding:3rem 0 1.6rem; transition:0.3s; }
.product_parameters .items .title::before { content:""; display:block; padding-bottom:100%; border-radius:50%; background: url("https://kingwoiot.com/wp-content/plugins/sytech-fronteditor/sytpl/product4-product_parameters/assets/img/icon-select-w.svg") center center / 30% no-repeat rgb(19,30,45); transition:0.3s;}
.product_parameters .items .desc { display:none; border-top:2px solid var(--primary); }
.product_parameters .items .item.active .desc { display:block !important; height:auto !important; padding-bottom:1rem !important; }
.product_parameters .items table tr:last-child td { border-bottom:none; }
.product_parameters .items table tr:first-child td { padding-top:1.8rem; }
.product_parameters .items table td { font-size:1.8rem; line-height:2.8rem; font-weight:600; color:#666; text-align:center; border-bottom:1px solid #d4dbdd; padding:1.3rem 2.6rem 1.5rem; }
.product_parameters .items table td:first-child { text-align:left; font-weight:400; background-color:rgba(248,248,248,0.74); width:25.68%; }
.product_parameters .items table ul { display:grid; grid-template-columns:repeat(2,1fr); gap:0.6rem 2rem; width:100%; padding:0.7rem 2.4rem 0.5rem 0; margin:0; text-align:left; }

/* ===== 移动端 ===== */
@media screen and (max-width:768px){
  html{font-size:10px;}
  body{font-size:1.4rem;}
  .content{padding:0 30px;}
  .head.syedittext{min-height:auto; padding-bottom:0.5rem;}
  .head .subtitle{font-size:14px; margin-bottom:8px; letter-spacing:1px;}
  .head h2{font-size:22px; line-height:1.3;}
  .product_parameters{padding:50px 0;}
  .product_parameters .items{margin-top:30px;}
  .product_parameters .items .title{padding:14px 0; grid-template-columns:30px 1fr; gap:12px; font-size:18px;}
  .product_parameters .items table tr:first-child td{padding-top:14px;}
  .product_parameters .items table td{font-size:14px; line-height:1.5; padding:14px;}
  .product_parameters .items table ul{gap:5px 10px; padding:0;}
}
@media screen and (max-width:576px){
  .content{padding:0 20px;}
  .product_parameters .items table ul{grid-template-columns:1fr; text-align:center;}
}
