@import url("https://fonts.googleapis.com/css2?family=Open+Sans:wght@300;400;500;600;700&display=swap");
body {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  background-color: #c0c0c0;
  font-size: 14px;
  font-family: "Open Sans", sans-serif;
}
a {
  text-decoration: none;
}
p {
  margin-top: 5px;
}
.body-mobile {
  display: none;
}
.container {
  width: 950px;
  background-color: #fff;
  padding: 20px;
}
li a {
  color: #000;
}
.menu ul {
  padding-inline-start: 0px;
  margin: 0;
}
.horizontalseparator {
  clear: both;
}
.menu li {
  margin-bottom: 0px;
  list-style-type: none;
  display: inline-block;
}
.dropdown-content li {
  display: block;
}
ul {
  padding-left: 20px;
}
ul.img-product {
  margin: 0;
  padding: 0;
}
ul.img-product li {
  list-style-type: none;
  display: flex;
  align-items: center;
}
li {
  margin-bottom: 5px;
  list-style-type: "- ";
}
li a:hover {
  color: #04517a;
}
input {
  padding: 5px 5px;
}
input::placeholder {
  color: #cacaca;
}
button {
  background-color: #444444;
  color: #fff;
  padding: 5px 15px;
  border-radius: 5px;
}
button:hover {
  cursor: pointer;
  background-color: #5a5a5a;
}
/* header */
header {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}

.tinh-nang {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.cong-cu {
  display: flex;
  flex-direction: row;
  align-items: center;
  margin-bottom: 10px;
}
.cong-cu-item {
  padding: 0 5px;
  border-right: 1px solid #000;
  display: flex;
  align-items: center;
}
.cong-cu-item a {
  text-decoration: none;
  color: #000;
}
#mobile-menu {
  display: none;
}
.mobile {
  margin-top: 50px;
  margin-left: 20px;
}
/* header */

/* side bar */

.side-bar {
  width: 25%;
  padding-bottom: 50px;
}
.side-bar-item img {
  width: 100%;
}
.side-bar-item h3 {
  box-sizing: border-box;
  width: 100%;
  background: linear-gradient(to bottom, #444444, #c0c0c0);
  color: #fff;
  padding: 10px 20px;
}
.side-bar-item {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.item {
  display: flex;
  align-items: center;
  width: 100%;
  margin-bottom: 10px;
}
.item .img-phan-mem {
  width: 70px;
  height: 70px;
  margin-right: 10px;
}
.item .img-ung-dung {
  width: 68px;
  height: 52px;
  margin-right: 10px;
}
.item h4 {
  flex: 1;
}
.side-bar-item .more {
  text-align: right;
}

/* side bar */
.menu {
  background-color: #5a5a5a;
  padding: 0px;
}
.dropdown {
  position: relative;
  display: inline-block;
}
.dropdown-content {
  display: none;
  position: absolute;
  top: 100%;
  left: -5px;
  background-color: #5a5a5a;
  min-width: 200px;
  box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
  z-index: 1;
}
.dropdown-content a {
  color: black;
  padding: 10px 16px !important;
  text-decoration: none;
  display: block;
  border-top: 1px solid #cecece;
}
.dropdown:hover .dropdown-content {
  display: block;
}
.menu .menu-item {
  padding: 10px 20px;
  border-right: 1px solid #c0c0c0;
}
.menu .menu-item:last-child {
  border-right: 0px solid #c0c0c0;
}
.menu a {
  color: #fff;
  font-weight: bold;
}
.menu a:hover {
  color: #76cfff;
}
.body {
  display: flex;
}
.float-left-img {
  float: left;
  margin-right: 10px;
}
/* content */
.content {
  padding: 20px 0 20px 10px;
  width: 75%;
}
.content h6 {
  color: #04517a;
  font-size: 14px;
  margin: 10px 0;
  border-bottom: 1px solid #04517a67;
  padding-bottom: 5px;
}
.row-content {
  display: flex;
  flex-direction: row;
  width: 100%;
  justify-content: space-between;
}
.column-content {
  width: 49%;
}
.item .img-content-phan-mem {
  width: 105px;
  height: 105px;
  margin-right: 10px;
}
.post-item .img-content-post {
  width: 100%;
}
.img-float-left {
  float: left;
  margin-right: 5px;
}
.item .img-content-doi-tac {
  width: 100px;
  height: 100px;
  margin-right: 10px;
}
.column-content h4 {
  background: linear-gradient(to bottom, #42b7f4, #79ccf6);
  padding: 10px 20px;
  color: #fff;
  border-radius: 5px;
}
.post-item:first-child {
  margin-top: 30px;
}

.banner img {
  width: 100%;
  margin-top: 10px;
}
.item p {
  color: #000;
}

.san-pham {
  padding: 0px 10px 10px;
  border-top: 1px solid #e7e7e7;
}

.san-pham img {
  float: left;
  margin-right: 10px;
}
.san-pham p {
  font-size: 16px;
  line-height: 20px;
}
.details {
  display: flex;
  justify-content: space-between;
}
[data-tab-content] {
  display: none;
}

.active[data-tab-content] {
  display: block;
}
.active[data-tab-target] {
  background-color: #fff;
  color: #131313;
}
.tabs {
  padding: 0;
  border-bottom: 1px solid #cecbc7;
  list-style-type: none;
}
.tabs li {
  display: inline-block;
  padding: 7px 20px;
  background-color: #cecbc7;
  margin-bottom: 0;
  color: #037cc1;
  border: 1px solid #cecbc7;
}
.tabs li:hover {
  cursor: pointer;
  background-color: #a3a3a3;
}
.img-feature {
  float: left;
  margin-right: 10px;
}
.note {
  color: red;
  margin-top: 10px;
}
table,
td {
  border: 1px solid #85d2ff;
  border-collapse: collapse;
  padding: 5px 10px;
}
tr td:first-child {
  width: 25%;
}
tr td:last-child {
  width: 75%;
}
td input {
  width: 80%;
}
td textarea {
  width: 90%;
}
.buttons {
  margin-top: 30px;
  text-align: center;
}
.bai-viet h4 {
  color: #01558d;
}
.bai-viet img {
  width: 100%;
}
.bai-viet .more {
  display: block;
  text-align: right;
  margin-top: 10px;
}
.tab-content img {
  max-width: 100%;
}
.sitemap li {
  list-style-type: square !important;
}
.sitemap {
  padding-left: 20px;
}
.sitemap ul {
  padding-left: 10px;
}
.sitemap li a {
  color: #037cc1;
}

.sitemap li:hover a {
  color: #01558d;
}
/* footer */
footer {
  border-top: 1px solid #dddddd;
  padding: 20px 0;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}
footer div {
  width: 48%;
}
footer strong {
  color: #04517a;
}
/* footer */

/* ipad */

@media (max-device-width: 850px) and (min-device-width: 600px) {
  /* header */
  .body-mobile {
    display: block;
  }
  .container {
    width: 100%;
    background-color: #fff;
    padding: 20px;
  }
  header {
    display: flex;
    flex-direction: column;
  }
  header .logo {
    object-fit: cover;
  }
  .desktop {
    display: none;
  }
  .mobile {
    display: block;
  }
  .menu {
    display: none;
  }
  #mobile-menu {
    display: block;
  }
  .nav__toggle {
    display: inline-block;
    position: relative;
  }
  .mo {
    transition: opacity 0.1s, transform 0.4s;
    font-size: 20px;
  }
  .dong {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.1s, transform 0.4s;
  }
  .nav__menu {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100vh;
    background-color: #fff;
    box-shadow: 4px 2px 4px #00000049;
    overflow: auto;
    pointer-events: none;
    opacity: 0;
    transition: all 0.4s, opacity 0.3s;
  }
  .show-menu {
    opacity: 1;
    pointer-events: initial;
  }
  .dropdown__menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
  }
  .dropdown__item:hover .dropdown__menu {
    max-height: 1000px;
    transition: max-height 0.4s ease-in;
  }
  .arrow {
    transition: all 0.2s linear;
  }
  .dropdown__item:hover .arrow {
    transform: rotate(180deg);
  }
  .have_child {
    display: flex;
    justify-content: space-between;
  }
  .nav__menu li {
    list-style-type: none;
    padding: 5px 0;
  }
  .nav__menu ul {
    padding: 0px 20px;
  }
  .congtrinh ul {
    margin-top: 5px;
  }
  .tinh-nang {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  .body {
    flex-direction: column-reverse;
    width: 100%;
  }

  /* content */
  .content {
    padding: 0;
    width: 100%;
  }
  /* header */
  .side-bar {
    width: 100%;
    padding-bottom: 50px;
  }
  .side-bar-wrap {
    display: flex;
    justify-content: space-between;
  }
  .side-bar-wrap .side-bar-item {
    width: 49%;
  }
  .side-bar-item img {
    width: 100%;
  }

  /* side bar */
}

@media (max-device-width: 600px) {
  .body-mobile {
    display: block;
  }
  .container {
    width: 100%;
    background-color: #fff;
  }
  header {
    display: flex;
    flex-direction: column;
    margin-bottom: 10px;
  }
  header .logo {
    object-fit: cover;
    width: 100%;
  }
  .desktop {
    display: none;
  }
  .mobile {
    display: block;
    margin-top: 50px;
  }
  .tinh-nang {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
  }
  .body {
    flex-direction: column-reverse;
    width: 100%;
  }
  .menu {
    display: none;
  }
  #mobile-menu {
    display: block;
  }
  .nav__toggle {
    display: inline-block;
    position: relative;
  }
  .mo {
    transition: opacity 0.1s, transform 0.4s;
    font-size: 20px;
  }
  .dong {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.1s, transform 0.4s;
  }
  .nav__menu {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100vh;
    background-color: #fff;
    box-shadow: 4px 2px 4px #00000049;
    overflow: auto;
    pointer-events: none;
    opacity: 0;
    transition: all 0.4s, opacity 0.3s;
  }
  .show-menu {
    opacity: 1;
    pointer-events: initial;
  }
  .dropdown__menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
  }
  .dropdown__item:hover .dropdown__menu {
    max-height: 1000px;
    transition: max-height 0.4s ease-in;
  }
  .arrow {
    transition: all 0.2s linear;
  }
  .dropdown__item:hover .arrow {
    transform: rotate(180deg);
  }
  .have_child {
    display: flex;
    justify-content: space-between;
  }
  .nav__menu li {
    list-style-type: none;
    padding: 5px 0;
  }
  .nav__menu ul {
    padding: 0px 20px;
  }
  /* content */
  .content {
    padding: 0;
    width: 100%;
  }
  .row-content {
    flex-direction: column;
  }
  .column-content {
    width: 100%;
  }
  .tabs li:hover {
    cursor: pointer;
    background-color: #fff;
    color: #131313;
  }
  .tabs li {
    display: block;
    border-bottom: 1px solid #e7e7e7;
  }
  /* header */

  .side-bar {
    width: 100%;
    padding-bottom: 50px;
  }
  .side-bar-wrap {
    display: flex;
    flex-direction: column;
  }
  footer {
    flex-direction: column;
  }
  footer div {
    width: 100%;
  }
  .fb-page {
    width: 200px;
  }
}
/* ipad */