@font-face {
  font-family: 'utm-helve';
  src: url('../css/fonts/utm-helve.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: 'utm-helve-bold';
  src: url('../css/fonts/utm-helve-bold.ttf') format('truetype');
  font-weight: bold;
  font-style: normal;
}

@font-face {
  font-family: 'utm-helve-italic';
  src: url('../css/fonts/utm-helve-italic.ttf') format('truetype');
  font-weight: normal;
  font-style: italic;
}

@font-face {
  font-family: 'utm-helve-bold-italic';
  src: url('../css/fonts/utm-helve-bold-italic.ttf') format('truetype');
  font-weight: bold;
  font-style: italic;
}

@font-face {
  font-family: 'Helvetica-Compressed';
  src: url('../css/fonts/helvetica-compressed.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: 'Helvetins';
  src: url('../css/fonts/utm-helvetins.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
}

:root {
  --yellow: #fee795 --menu-bg: linear-gradient(to right, var(--red), var(--red-dark));
  --burger: #FFF;
  --menu-bg: #615c60;
  --header: #ff8a01;
  --vang: #f9d256;
}

html,
body {
  font-family: 'utm-helve';
  font-size: 16px;
  line-height: 1.3em;
  scroll-behavior: smooth;
  height: auto;
}

.container .boundary {
  width: 100%;
  max-width: 1500px;
}

h1 {
  font-size: 36px;
}

h2 {
  font-size: 32px;
}

h3 {
  font-size: 28px;
}

h4 {
  font-size: 24px;
}

h5 {
  font-size: 20px;
}

h6 {
  font-size: 16
}

a {
  color: inherit;
}

body.no-scroll {
  overflow: hidden;
  height: 100vh;
}

/* menu */
.main-menu-mobi {
  background: none;
  color: #FFF;
  border-bottom: 5px solid var(--yellow);
  height: 70px;
  font-family: "utm-helve-bold";
  font-size: .9em;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 999;
}

.main-menu-mobi .boundary {
  padding: 0;
  line-height: 60px;
  text-align: center;
}

.main-menu-mobi .hamburger {
  float: right;
  position: relative;
  z-index: 22222;
  margin-right: 5px;
}

.main-menu-mobi .main-menu-content {
  display: none;
}


.main-menu-mobi .mm-logo img {
  width: auto;
  height: 60px;
  vertical-align: middle;
}

.main-menu-mobi .mm-content {
  position: fixed;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  z-index: 9999;
  background: var(--menu-bg);
  text-align: left;
  list-style-type: none;
  padding: 120px 0 0;
  margin: 0;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  transition: all .5s;
}

.main-menu-mobi .mm-content .mmc-logo {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
}

.main-menu-mobi .mm-content .mmc-logo img {
  width: 100%;
  height: auto;
}

.main-menu-mobi .mm-content.active {
  left: 0;
}

.main-menu-mobi .mm-background {
  content: "";
  background-color: rgb(0, 0, 0, .5);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9998;
  display: none;
}

.main-menu-mobi .mm-content li {
  padding: 0 10px;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  line-height: 40px;
}

.main-menu-mobi .mm-content li.mmc-logo a {
  border-bottom: 0;
}

.main-menu-mobi .mm-content li a {
  display: block;
  border-bottom: 1px solid #848484;
  line-height: 40px;
  padding: 5px 0;
}

.main-menu-mobi .mm-content li.anchor.stop a {
  pointer-events: none;
}

.main-menu-mobi .mm-content li i {
  transform: rotate(90deg);
  -webkit-transform: rotate(90deg);
  -moz-transform: rotate(90deg);
  float: right;
  line-height: 40px;
  font-size: .9em;
  transition: all .5s;
}

/* banner */
.banner {
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: relative;
}

.banner picture {
  display: block;
  width: 100%;
}

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

.main-menu {
  display: none;
}

/* slider banner */
.container.banner-slider {
  width: 100%;
  max-width: 100%;
  padding: 0;
  margin: 0;
}

.banner-slider .owl-carousel,
.banner-slider .banner-items,
.banner-slider picture,
.banner-slider img {
  width: 100%;
  height: auto;
  display: block;
}

.container.gioithieu {
  background-image: url(../images/nang-luc-bg-mobile.jpg);
  background-position: calc(100% + 300px) center;
  background-repeat: no-repeat;
  overflow: hidden;
  width: 100%;
  height: auto;
  padding-bottom: 10px;
}

.container.gioithieu .boundary {
  padding: 40px 0;
}

.content-gioithieu {
  padding: 30px 0;
  box-sizing: border-box;
}

.main-gt {
  padding: 0px 20px;
  margin-top: 30px;
  font-size: 0.8em;
  color: #fff;
  text-align: justify;
  box-sizing: border-box;
}

.main-gt span {
  display: inline-block;
  margin-bottom: 15px;
}

.logo-gioithieu {
  text-align: center;
  width: 200px;
  margin: 0 auto;
}

.logo-gioithieu img {
  width: 100%;
}

/* doi ngu */
.doingu {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  width: 100%;
  max-width: 100%;
}

.doingu-items {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-sizing: border-box;
  margin: 6px auto;
}


.icon-box {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  margin-right: 10px;
}

.icon-box i {
  font-size: 24px;
  color: #909090;
}

.doingu-items span {
  display: flex;
  align-items: center;
  padding: 10px 20px 10px 50px;
  width: 300px;
  min-height: 50px;
  font-weight: normal;
  font-family: 'Helvetins';
  font-size: .9em;
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-sizing: border-box;
}

/* lĩnh ực */
.container.linhvuc {
  background-image: url(../images/linh-vuc-hoat-dong-bg.png);
  background-position: right center;
  background-repeat: no-repeat;
  background-size: auto;
  overflow: hidden;
  width: 100%;
  height: auto;
}

.container.linhvuc .boundary {
  margin-bottom: 30px;
}

.title-linhvuc {
  margin-top: 50px;
}

.title-linhvuc h2 {
  margin-top: 30px;
  margin-bottom: 10px;
  font-size: 2em;
  font-family: 'Helvetica-Compressed';
  color: #f1a228;
  text-align: center;
  font-weight: normal;
}

.line-linhvuc {
  position: relative;
  width: 220px;
  height: 4px;
  background-color: #f9a11b;
  margin: 10px auto 30px;
  overflow: hidden;
}

.line-linhvuc::before,
.line-linhvuc::after {
  content: "";
  position: absolute;
  top: 0;
  width: 5px;
  height: 100%;
  background: white;
  transform: skewX(25deg);
}

.line-linhvuc::before {
  left: 18px;
}

.line-linhvuc::after {
  right: 18px;
  transform: skewX(25deg);
}

/* lĩnh vực */

#linhvuc-slider {
  width: 100% !important;
}

#linhvuc-slider .owl-stage {
  display: flex;
}

.linhvuc-items {
  width: 380px;
  height: 380px;
  margin: 0 auto !important;
  background-color: #fff;
  overflow: hidden;
  position: relative;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.linhvuc-items:hover {
  transform: translateY(-5px);
}

.linhvuc-img {
  height: 100%;
  width: 100%;
  overflow: hidden;
}

.linhvuc-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.linhvuc-content {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background-image: url('../images/linh-vuc-hoat-dong-footer.png');
  background-size: cover;
  background-repeat: no-repeat;
  min-height: 100px;
  color: #fff;
  display: flex;
  align-items: center;
  padding: 10px 20px 0px 10px;
  box-sizing: border-box;
}

.linhvuc-content .number {
  font-size: 2em;
  font-weight: 700;
  color: #fff;
  margin-right: 15px;
  flex-shrink: 0;
  margin-top: 10px;
  font-family: 'Helvetins';
}

.linhvuc-content p {
  font-size: .85em;
  font-weight: 500;
  line-height: 1.5;
  margin: 0;
  margin-top: 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Hiện nhóm dots */
#linhvuc-slider .owl-dot {
  width: 12px;
  height: 12px;
  margin: 10px 5px;
  border-radius: 50%;
  background: #393a3c !important;
  opacity: 0.4;
  transition: all 0.3s ease;
  border: none !important;
  padding: 0 !important;
}

#linhvuc-slider .owl-dot.active,
#linhvuc-slider .owl-dot:hover {
  opacity: 1;
  transform: scale(1.2);
  background: #393a3c !important;
}

#linhvuc-slider .owl-dots {
  display: flex !important;
  justify-content: center;
  align-items: center;
  gap: 6px;
  position: relative !important;
}


/* du an */
.container.du-an {
  background-color: #393a3c;
  overflow: hidden;
  position: relative;
}

.container.du-an::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 200px;
  background: url(../images/tech-bg.png) no-repeat top right;
  background-size: contain;
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
  transform: scaleY(-1);
}

.title-duan {
  margin-top: 40px;
  margin-left: 23px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.title-duan h2 {
  margin-bottom: 20px;
  font-size: 2em;
  font-family: 'Helvetica-Compressed';
  text-align: center;
  background: linear-gradient(to right, #f7df6b 0%, #fcb116 37%, #e1ac50 75%, #fab317 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  position: relative;
  padding-top: 10px;
  padding-bottom: 10px;
  font-weight: normal;
  filter: drop-shadow(2px 2px 3px rgba(0, 0, 0, 0.6));
}

.line-duan {
  position: absolute;
  width: 180px;
  height: 4px;
  background: linear-gradient(to right, #f7df6b 0%, #fcb116 37%, #e1ac50 75%, #fab317 100%);
  margin-right: auto;
  margin-top: 60px;
  overflow: hidden;
  filter: drop-shadow(2px 2px 3px rgba(0, 0, 0, 0.6));
}

.line-duan::before,
.line-duan::after {
  content: "";
  position: absolute;
  top: 0;
  width: 4px;
  height: 100%;
  background: #393a3c;
  transform: skewX(25deg);
}

.line-duan::before {
  left: 18px;
}

.line-duan::after {
  right: 18px;
  transform: skewX(25deg);
}

.btn-xemthem {
  background-color: #f3a328;
  color: #fff;
  font-weight: 600;
  text-transform: capitalize;
  padding: 6px 15px;
  font-size: .8em;
  position: relative;
  cursor: pointer;
  font-family: 'Helvetica', sans-serif;
  transition: 0.3s ease;
  margin-top: 25px;
  margin-right: 23px;
}

.btn-xemthem span {
  margin-left: 10px;
}

/* dải nghiêng bên trái nút */
.btn-xemthem::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 12px;
  bottom: 0;
  height: 50px;
  width: 4px;
  background-color: #393a3c;
  transform: skewX(-25deg);
}

.btn-xemthem::after {
  content: "";
  position: absolute;
  left: -12px;
  top: -5px;
  bottom: 0;
  width: 20px;
  background-color: #393a3c;
  transform: skewX(-25deg);
}

.btn-xemthem:hover {
  background-color: #ffb937;
}

/* duan */
.duan-items {
  display: block;
  background-color: none;
  width: 380px;
  height: auto;
  margin: 20px auto 20px;
  overflow: hidden;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.duan-items:hover {
  transform: translateY(-5px);
}

.duan-img {
  width: 100%;
  height: 380px;
  overflow: hidden;
}

.duan-img img {
  width: 100%;
  height: 100% !important;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.duan-items:hover .duan-img img {
  transform: scale(1.05);
}

.duan-content {
  padding: 12px 0;
  margin-top: 10px;
  margin-bottom: 5px;
}

.duan-content p {
  color: #fff;
  font-weight: 700;
  font-size: 0.8em;
  letter-spacing: 1px;
  margin: 0;
}

#duan-slider .owl-dots {
  text-align: center;
  margin-bottom: 10px;
}

#duan-slider .owl-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin: 5px;
  border-radius: 50%;
  background-color: #ccc;
  transition: all 0.3s ease;
}

#duan-slider .owl-dot.active {
  background-color: #f9b233;
  transform: scale(1.2);
}

.xemthem1 {
  display: none;
}

.line-xemthem {
  height: 2px;
  width: 100%;
  background-color: #f6a623;
  margin-top: 40px;
  display: block;
}

.line-xemthem1 {
  height: 2px;
  width: 100%;
  background-color: #f6a623;
  margin-top: 40px;
  margin-bottom: 30px;
  display: block;
}

#duantt-slider .owl-dots {
  text-align: center;
  margin-bottom: 10px;
}

#duantt-slider .owl-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin: 5px;
  border-radius: 50%;
  background-color: #ccc;
  transition: all 0.3s ease;
}

#duantt-slider .owl-dot.active {
  background-color: #f9b233;
  transform: scale(1.2);
}

/* YOUTUBE */
.title-ytb {
  text-align: center;
  margin-top: 50px;
  color: #f1a228;
}

.title-ytb1 {
  display: none;
  text-align: center;
  margin-top: 50px;
  color: #f1a228;
}

.title-ytb1 h2 {
  display: none;
  font-size: 2em;
  font-family: 'Helvetica-Compressed';
  margin: 10px;
  font-weight: normal;
}

.title-ytb h2 {
  font-size: 2em;
  font-family: 'Helvetica-Compressed';
  margin: 10px;
  font-weight: normal;
}

.line-ytb1 {
  position: relative;
  width: 300px;
  height: 4px;
  background-color: #f1a228;
  margin: 15px auto 40px;
  overflow: hidden;
}

.line-ytb1::before,
.line-ytb1::after {
  content: "";
  position: absolute;
  top: 0;
  width: 5px;
  height: 100%;
  background: white;
  transform: skewX(25deg);
}

.line-ytb1::before {
  left: 18px;
}

.line-ytb1::after {
  right: 18px;
  transform: skewX(25deg);
}

/* video */
#ytb-slider {
  width: 100%;
  margin: 0 auto 30px;
}

.ytb-items {
  background-color: none;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.youtube-thumb {
  position: relative;
  width: 95%;
  border-radius: 12px;
  overflow: hidden;
  margin: 0 auto;
  background: #fff;
  cursor: pointer;
  box-sizing: border-box;
}

.youtube-thumb img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.youtube-thumb .item-iframe {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 48px;
  color: white;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
  transition: 0.3s;
}

.youtube-thumb:hover .item-iframe {
  transform: translate(-50%, -50%) scale(1.1);
}

.youtube-thumb::after {
  content: "6:28";
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  font-size: 12px;
  padding: 2px 6px;
  border-radius: 4px;
}

.video-title {
  width: 90%;
  margin: 6px auto;
  font-size: .9em;
  line-height: 1.4;
  color: #222;
  font-weight: bold;
  text-align: left;
  background: #fff;
}

.line-ytb {
  height: 2px;
  width: 100%;
  background-color: #f1a228;
  margin-top: 20px;
  display: none;
  margin-bottom: 40px;
}

#ytb-slider .owl-dots {
  text-align: center;
  margin-top: 15px;
}

#ytb-slider .owl-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin: 0 5px;
  border-radius: 50%;
  background: #ccc;
  transition: all 0.3s ease;
}

#ytb-slider .owl-dot:hover {
  background: #fcb116;
}

#ytb-slider .owl-dot.active {
  width: 12px;
  height: 12px;
  background: linear-gradient(to right, #555, #444, #333, #555);
  box-shadow: 0 0 6px rgba(50, 50, 50, 0.2);
}

/* năng lực */
.title-nl {
  text-align: center;
  margin-top: 20px;
  color: #f1a228;
}

.title-nl h2 {
  font-size: 2em;
  font-family: 'Helvetica-Compressed';
  margin: 10px;
  font-weight: normal;
}

.line-nl {
  position: relative;
  width: 240px;
  height: 4px;
  background-color: #f3a328;
  margin: 15px auto 40px;
  overflow: hidden;
}

.line-nl::before,
.line-nl::after {
  content: "";
  position: absolute;
  top: 0;
  width: 5px;
  height: 100%;
  background: white;
  transform: skewX(25deg);
}

.line-nl::before {
  left: 18px;
}

.line-nl::after {
  right: 18px;
  transform: skewX(25deg);
}

.chungchi {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 0 20px;
  margin: 20px auto 40px;
  box-sizing: border-box;
}

.chungchi .img-chungchi {
  width: 100%;
  overflow: hidden;
  border-radius: 10px;
}

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

/* đối tác */
.container.doitac .boundary {
  margin-bottom: 50px;
}

.title-dt {
  text-align: center;
  margin-top: 40px;
  color: #f1a228;
}

.title-dt h2 {
  font-size: 2em;
  font-family: 'Helvetica-Compressed';
  margin: 10px;
  font-weight: normal;
}

.line-dt {
  position: relative;
  width: 220px;
  height: 4px;
  background-color: #f1a228;
  margin: 10px auto 30px;
  overflow: hidden;
}

.line-dt::before,
.line-dt::after {
  content: "";
  position: absolute;
  top: 0;
  width: 5px;
  height: 100%;
  background: white;
  transform: skewX(25deg);
}

.line-dt::before {
  left: 18px;
}

.line-dt::after {
  right: 18px;
  transform: skewX(25deg);
}

.content-dt {
  margin: 10px;
  text-align: center;
  line-height: 1.2em;
}

.content-dt span {
  display: inline-block;
  margin-bottom: 10px;
  font-size: .9em;
}

.doitac-items {
  width: 200px;
  height: auto;
  margin: 0 auto;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

#doitac-slider {
  margin: 30px 0;
}

#doitac-slider .owl-dots {
  text-align: center;
  margin-top: 15px;
}

#doitac-slider .owl-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin: 0 5px;
  border-radius: 50%;
  background: #555555;
  transition: all 0.3s ease;
}

#doitac-slider .owl-dot:hover {
  background: #fcb116;
}

#doitac-slider .owl-dot.active {
  width: 12px;
  height: 12px;
  background: linear-gradient(to right, #f7df6b, #fcb116, #e1ac50, #fab317);
  box-shadow: 0 0 6px rgba(252, 177, 22, 0.6);
}

/* footer */
.container.footer {
  position: relative;
  background-image: url(../images/footer-bg.png);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  overflow: hidden;
  height: auto;
}

.container.footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1;
}

.container.footer>* {
  position: relative;
  z-index: 2;
}

.container.footer .boundary {
  padding: 50px 20px;
  box-sizing: border-box;
}


.logo-footer {
  width: 250px;
  height: auto;
}

.logo-footer img {
  width: 100%;
  height: 100%;
}

.diachi {
  color: #fff;
  font-size: 0.85em;
  line-height: 1.5;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  padding: 5px 0;
  margin-top: 20px;
}

.diachi span {
  display: block;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.diachi span:last-child {
  border-bottom: none;
}

.diachi i {
  color: #fff;
  margin-right: 5px;
  font-size: 18px;
}

.social {
  display: flex;
  justify-content: flex-start;
  gap: 10px;
  margin-top: 15px;
}

.icon-social {
  width: 30px;
  height: 30px;
  background: #e79e30;
  display: flex;
  align-items: center;
  border-radius: 4px;
  justify-content: center;
  cursor: pointer;
  transition: background 0.3s;
}

.icon-social i {
  color: #35393c;
  font-size: 18px;
}

.title-ugndung {
  text-align: left;
  margin-top: 50px;
  color: #f1a228;
}

.title-ugndung h2 {
  font-size: 1.5em;
  font-family: 'Helvetica-Compressed';
  margin: 15px 0;
  font-weight: normal;
}

.line-ungdung {
  position: relative;
  width: 140px;
  height: 4px;
  background-color: #f1a228;
  margin-right: auto;
  overflow: hidden;
}

.line-ungdung::before,
.line-ungdung::after {
  content: "";
  position: absolute;
  top: 0;
  width: 5px;
  height: 100%;
  background: #494542;
  transform: skewX(25deg);
}

.line-ungdung::before {
  left: 18px;
}

.line-ungdung::after {
  right: 18px;
  transform: skewX(25deg);
}

.ungdung {
  display: flex;
  gap: 10px;
  margin-top: 25px;
}

.img-ungdung {
  width: 150px;
  height: auto;
}

.img-ungdung img {
  width: 100%;
  height: 100%;
}

.line-ungdung1 {
  position: relative;
  width: 150px;
  height: 4px;
  background-color: #f1a228;
  margin-right: auto;
  overflow: hidden;
}

.line-ungdung1::before,
.line-ungdung1::after {
  content: "";
  position: absolute;
  top: 0;
  width: 5px;
  height: 100%;
  background: #494542;
  transform: skewX(25deg);
}

.line-ungdung1::before {
  left: 18px;
}

.line-ungdung1::after {
  right: 18px;
  transform: skewX(25deg);
}

/* form */
.form-tu-van {
  width: 100%;
  max-width: 330px;
  background: rgba(255, 255, 255, 0.05);
  margin-top: 20px;
}

.form-tu-van form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-tu-van input,
.form-tu-van textarea {
  width: 100%;
  padding: 8px 10px;
  border: none;
  border-bottom: 2px solid #333;
  background: #d9d9d9;
  font-size: .9em;
  color: #000;
  outline: none;
  font-family: 'utm-helve';
}

.form-tu-van textarea {
  min-height: 80px;
  resize: none;
}

.btn-submit {
  background: #f1a228;
  color: #fff;
  font-weight: bold;
  padding: 10px 55px 10px 25px;
  border: none;
  cursor: pointer;
  align-self: flex-start;
  position: relative;
  border-radius: 4px 0 0 4px;
}

.btn-submit::before {
  content: "";
  position: absolute;
  top: -10px;
  right: 14px;
  bottom: 0;
  height: 50px;
  width: 4px;
  background-color: #424343;
  transform: skewX(25deg);
}

.btn-submit::after {
  content: "";
  position: absolute;
  top: -5px;
  right: -10px;
  width: 20px;
  height: 40px;
  background: #424343;
  transform: skew(25deg);
}

.btn-submit:hover {
  background: #e1ac50;
}

.btn-submit span {
  display: inline-block;
  margin-left: -15px;
}

.footer-bottom {
  border-top: 2px solid #faa11e;
  color: #ccc;
  font-size: .7em;
  padding: 10px 20px;
  margin-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

/* banner */
#banner-slider .owl-nav {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  pointer-events: none;
  z-index: 10;
}

#banner-slider .owl-nav button {
  pointer-events: auto;
  background: none;
  border: none;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
}

/* Xóa ký tự mặc định */
#banner-slider .owl-nav button span {
  position: relative;
  width: 20px;
  height: 20px;
  display: block;
  font-size: 0;
}

#banner-slider .owl-nav .owl-prev span::before,
#banner-slider .owl-nav .owl-next span::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  border-width: 3px;
  border-style: solid;
  border-image: linear-gradient(to right, #f7df6b, #fab317) 1;
}

#banner-slider .owl-nav .owl-prev span::before {
  border-top: none;
  border-right: none;
  transform: rotate(45deg);
  border-image: linear-gradient(to left, #f7df6b, #fab317) 1;
}

#banner-slider .owl-nav .owl-next span::before {
  border-left: none;
  border-bottom: none;
  transform: rotate(45deg);
}

#banner-slider .owl-nav button:hover span::before {
  border-image: linear-gradient(to top, #fcd34d, #fcb116) 1;
}

#banner-slider .owl-prev {
  margin-left: -10px;
}

#banner-slider .owl-next {
  margin-right: 20px;
}

.custom-dots {
  text-align: center;
  margin-top: 15px;
}

.custom-dots .dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ccc;
  margin: 0 4px;
  cursor: pointer;
  transition: all 0.3s;
}

.custom-dots .dot.active {
  background: #f6a623;
  transform: scale(1.3);
}

@media (min-width: 768px) {
  .main-menu-mobi .mm-content .mmc-logo img {
    width: 50%;
    height: auto;
    margin-left: 130px;
  }

  .container.banner-slider {
    width: 100%;
    max-width: 100%;
    padding: 0;
    margin: 0;
  }

  .doingu {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    padding: unset;
    margin: 0 auto;
  }

  .main-gt {
    padding: 0px 50px;

  }

  .doingu-items span {
    width: 250px;
    min-height: 60px;
    text-align: left;
    margin: unset;
  }

  .linhvuc-items {
    width: 100%;
    max-width: 300px;
    height: 300px;
    margin: 0 auto;
  }

  #linhvuc-slider .owl-dots {
    margin-top: 20px;
  }

  .duan-img {
    height: 280px;
  }

  .duan-items {
    width: 300px;
  }

  .title-duan {
    margin-left: 30px;
  }

  .btn-xemthem {
    margin-right: 30px;
  }

  .line-xemthem1 {
    margin-bottom: 40px;
  }

  .title-ytb {
    margin-top: 70px;
  }


  .chungchi {
    display: flex;
    flex-direction: row;
  }

  .container.footer .boundary {
    padding: 90px;
    box-sizing: border-box;
  }

  .logo-footer {
    width: 350px;
    height: auto;
    margin-left: -10px;
  }

  .diachi {
    font-size: 1em;
  }

  .diachi i {
    font-size: 22px;
  }

  .title-ugndung h2 {
    font-size: 1.7em;
  }

  .form-tu-van {
    width: 100%;
    max-width: 450px;
  }

  .container.du-an::after {
    height: 400px;
  }
}

@media (min-width: 996px) {
  .main-menu-mobi .mm-content {
    width: 60%;
    padding: 120px 0 0;
  }

  .main-menu-mobi .mm-content .mmc-logo {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-30%);
    width: 70%;
  }

  .main-menu-mobi .mm-content .mmc-logo img {
    width: 65%;
    margin-left: unset;
  }

  .container.gioithieu {
    background-image: url(../images/nang-luc-bg-desktop.jpg);
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    width: 100%;
  }

  .container.gioithieu .boundary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 50px 50px 50px 80px;
    box-sizing: border-box;
  }

  .content-gioithieu {
    flex: 1.5;
  }

  .doingu {
    flex: 1;
    grid-template-columns: repeat(1, 1fr);
    gap: unset;
    padding: 50px 0;
    margin-top: 100px;
    box-sizing: border-box;
  }

  .main-gt {
    padding: unset;
  }

  .logo-gioithieu {
    float: left;
    width: 250px;
    margin-left: -10px;
  }

  .main-gt span {
    line-height: 1.6;
  }


  .container.linhvuc .boundary {
    padding: 80px 10px 150px 10px;
    box-sizing: border-box;
  }

  .title-linhvuc h2 {
    font-size: 2.1em;
  }

  .line-linhvuc {
    margin-top: 15px;
    margin-bottom: 40px;
    width: 250px;
  }

  .duan-img {
    height: 270px;
  }

  .duan-items {
    width: 280px;
  }

  .title-duan {
    margin-left: 10px;
  }

  .btn-xemthem {
    margin-right: 10px;
  }

  .line-xemthem1 {
    margin-bottom: 40px;
  }

  .line-ytb {
    display: block;
  }

  #doitac-slider {
    margin: 60px 0;
  }

  .content-dt span {
    font-size: .9em;
  }

  .title-dt {
    margin-top: 60px;
  }

  .line-dt {
    margin: 10px auto 30px;
  }

  /* footer */
  .container.footer .boundary {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 90px 20px 40px 30px;
    box-sizing: border-box;
    gap: 90px;
  }

  .footer1 {
    flex: 1;
  }

  .footer1:nth-child(1) {
    flex: 2;
  }

  .footer1:nth-child(2) {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin-top: 15px;
  }

  .footer1:nth-child(3) {
    flex: 2;
    margin-top: 30px;
  }

  .logo-footer {
    width: 250px;
  }

  .ungdung {
    display: block;
  }

  .diachi {
    font-size: .8em;
  }

  .title-ugndung h2 {
    font-size: 1.3em;
  }

  .form-tu-van {
    width: 100%;
    max-width: 300px;
  }

  .line-ungdung {
    width: 160px;
  }

  .youtube-thumb img {
    height: 280px !important;
  }

  /* banner */
  #banner-slider .owl-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    pointer-events: none;
    z-index: 10;
    margin-top: -10px;
  }

  #banner-slider .owl-nav button {
    pointer-events: auto;
    background: none;
    border: none;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
  }

  /* Xóa ký tự mặc định */
  #banner-slider .owl-nav button span {
    position: relative;
    width: 30px;
    height: 30px;
    display: block;
    font-size: 0;
  }

  #banner-slider .owl-nav .owl-prev span::before,
  #banner-slider .owl-nav .owl-next span::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    border-width: 7px;
    border-style: solid;
    border-image: linear-gradient(to right, #f7df6b, #fab317) 1;
  }

  #banner-slider .owl-nav .owl-prev span::before {
    border-top: none;
    border-right: none;
    transform: rotate(45deg);
    border-image: linear-gradient(to left, #f7df6b, #fab317) 1;
  }

  #banner-slider .owl-nav .owl-next span::before {
    border-left: none;
    border-bottom: none;
    transform: rotate(45deg);
  }

  #banner-slider .owl-nav button:hover span::before {
    border-image: linear-gradient(to top, #fcd34d, #fcb116) 1;
  }

  #banner-slider .owl-prev {
    margin-left: 20px;
  }

  #banner-slider .owl-next {
    margin-right: 50px;
  }

}

@media (min-width: 1200px) {
  .main-menu-mobi {
    display: none;
  }

  .main-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9em;
    background-color: #1f1e1c;
    height: 90px;
    overflow: visible;
    font-family: "Helvetins";
    border-top: 0.1px solid #f7df6b;
  }

  .main-menu .boundary {
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1150px;
  }

  .main-menu .main-menu-content {
    display: flex;
    align-items: center;
    justify-content: center;
    list-style-type: none;
    margin: 0;
    padding: 0;
    position: relative !important;
    left: unset !important;
    top: unset !important;
    background: unset !important;
    max-width: unset !important;
    box-sizing: border-box;
  }

  .main-menu .main-menu-content.left {
    text-align: right;
    padding-right: 0px;
  }

  .main-menu .main-menu-content.right {
    text-align: left;
    padding-left: 0px;
  }

  .main-menu .mm-logo {
    display: block;
    float: unset;
    width: 170px;
  }

  .main-menu .mm-logo img {
    height: auto;
    width: 100%;
  }

  .main-menu .main-menu-content li {
    position: relative;
    display: inline-block;
    color: #FFF !important;
    padding: 5px 12px;
    white-space: nowrap;
    display: flex;
  }

  .main-menu .main-menu-content li.sub-menu {
    position: relative;
  }

  .main-menu .main-menu-content li a {
    border: 0;
  }

  /* has sub*/
  .main-menu-content .submenu {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    min-width: 200px;
    background: #fff;
    border-radius: 3px;
    font-size: 0.8em;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    padding: 8px 0;
    z-index: 999;
  }

  .main-menu-content .has-sub:hover>.submenu {
    display: block;
    animation: dropdown 0.25s ease forwards;
  }

  .main-menu-content .submenu li a {
    display: block;
    padding: 10px 15px;
    color: #000;
    font-weight: 500;
    text-decoration: none;
    transition: background 0.3s ease;
    border-radius: 8px;
  }

  .main-menu-content .has-sub {
    position: relative;
  }

  .main-menu-content .has-sub::before {
    position: absolute;
    content: "";
    width: 100%;
    height: 15px;
    bottom: -15px;
    left: 0;
    right: 0;
    background-color: transparent;
  }

  .main-menu-content .submenu li a:hover {
    background: #848484;
    color: #000;
    border-radius: 8px;
  }

  .main-menu-content .has-sub>a i.icon-cheveron-right {
    transition: transform 0.3s ease;
  }

  .main-menu-content .has-sub:hover>a i.icon-cheveron-right {
    transform: rotate(90deg);
  }

  @keyframes dropdown {
    from {
      opacity: 0;
      transform: translateY(-8px);
    }

    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* holien */
  .main-menu .main-menu-content li.hotline i.icon-phone {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border: 2px solid #000;
    border-radius: 50%;
    background-color: transparent;
    color: #000;
    font-size: 15px;
    transition: all 0.3s ease;
  }

  .main-menu .main-menu-content li.hotline:hover i.icon-phone {
    border-color: #fab317;
    color: #fab317;
  }

  .main-menu .main-menu-content li .mmc-sub-items {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #FFF;
    box-shadow: 0 0 5px #666;
    padding: 10px 0;
  }

  .main-menu .main-menu-content li .mmc-sub-items li {
    display: block;
    white-space: nowrap;
    padding-right: 20px;
  }

  .main-menu .main-menu-content li.hotline a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    font-weight: bold;
    color: #111;
    padding: 2px 10px 2px 3px;
    gap: 3px;
    text-decoration: none;
    background: linear-gradient(130deg, #fab317 0%, #e8ad49 20%, #dc9812 35%, #f7df6b 90%);

  }

  .main-menu .main-menu-content li.hotline a:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  }

  .has-sub .icon-cheveron-right {
    display: inline-block;
    transition: transform 0.3s ease;
    transform: rotate(90deg);
    margin-left: -4px;
  }

  /* gio httieu */
  .container.gioithieu {
    height: 110vh;
  }

  .container.gioithieu .boundary {
    padding: 70px 100px 50px 160px;
  }

  .main-gt {
    font-size: .9em;
    margin-top: unset;
    margin-right: 60px;
  }

  .logo-gioithieu {
    width: 300px;
  }

  .doingu-items span {
    padding: 10px 20px;
    width: 300px;
    font-size: 1em;
  }

  .doingu {
    margin-right: 100px;
  }

  /* lĩnh vực */
  .container.linhvuc {
    height: 110vh;
  }

  .container.linhvuc .boundary {
    padding: 100px 10px 150px 10px;
    box-sizing: border-box;
  }

  .linhvuc-content {
    height: 90px;
  }

  .linhvuc-content p {
    font-size: .64em;
    margin-left: 5px;
    font-weight: bold;
    margin-top: 15px;
  }

  .linhvuc-content .number {
    font-size: 2em;
    margin-right: 5px;
  }

  #linhvuc-slider {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    justify-content: center;
    overflow: hidden;
  }

  #linhvuc-slider .linhvuc-items {
    width: 280px;
    height: auto;
    max-width: unset;
  }

  #linhvuc-slider .owl-dots,
  #linhvuc-slider .owl-nav {
    display: none !important;
  }

  #duan-slider {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, auto);
  }

  #duan-slider .owl-nav,
  #duan-slider .owl-dots {
    display: none !important;
  }

  .duan-items {
    width: 260px;
  }

  .btn-xemthem {
    display: none;
  }

  .title-duan {
    justify-content: center;
    margin-top: 50px;
  }

  .line-duan {
    width: 150px;
    margin-top: 70px;
  }

  .title-duan h2 {
    font-size: 2.8em;
    padding-top: 20px;
    padding-bottom: 30px;
  }

  .xemthem1 {
    display: inline-block;
    padding: 10px 0;
    position: relative;
    margin-left: 15px;
    margin-top: 40px;
  }

  .btn-xemthem1 {
    position: relative;
    display: inline-block;
    background-color: #f6a623;
    color: #fff;
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    padding: 12px 60px 12px 10px;
    line-height: 1;
    clip-path: polygon(0 0, calc(100% - 15px) 0, 100% 100%, 0 100%);
    cursor: pointer;
    transition: all 0.3s ease;
  }

  .btn-xemthem1::after {
    content: "";
    position: absolute;
    top: 0;
    right: 12px;
    width: 3px;
    height: 100%;
    background-color: #393a3c;
    transform: skewX(22deg);
  }

  .btn-xemthem1:hover {
    background-color: #ffb733;
  }

  .line-xemthem {
    margin-top: 5px;
    margin-left: 15px;
  }

  .line-xemthem1 {
    margin-top: 5px;
    margin-left: 15px;
    margin-bottom: 80px;
  }

  #duantt-slider {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, auto);
  }

  #duantt-slider .owl-nav,
  #duantt-slider .owl-dots {
    display: none !important;
  }

  .title-ytb {
    display: none;
    margin-top: 120px;
  }

  .title-ytb1 {
    display: block;
    margin-top: 120px;
  }

  .title-ytb1 h2 {
    display: block;
    font-size: 2.5em;
    margin-bottom: 25px;
    font-family: 'Helvetica-Compressed';
    margin: 10px;
    font-weight: normal;
  }

  .line-ytb1 {
    width: 250px;
    margin: 20px auto 50px;
  }

  .title-nl {
    margin-top: 80px;
  }

  .title-nl h2 {
    font-size: 2.5em;
  }

  .chungchi {
    gap: 40px;
    padding: 20px 20px;
  }

  .line-nl {
    width: 180px;
    margin: 20px auto 40px;
  }

  .title-dt h2 {
    font-size: 2.5em;
  }

  .line-dt {
    width: 150px;
    margin: 20px auto 30px;
  }

  .form-tu-van {
    width: 100%;
    max-width: 350px;
  }

  .content-dt {
    line-height: .9em;
  }

  .container.footer .boundary {
    padding: 90px 20px 40px 40px;
    box-sizing: border-box;
  }

  .title-linhvuc h2 {
    font-size: 2.8em;
  }

  .line-linhvuc {
    width: 150px;
    height: 5px;
    margin-bottom: 60px;
  }

  .title-ugndung h2 {
    font-size: 1.8em;
  }

  .logo-footer {
    width: 280px;
  }
}

@media (min-width: 1500px) {
  .main-menu {
    font-size: 1em;
  }

  .main-menu .mm-logo {
    width: unset;
  }

  .main-menu .mm-logo img {
    width: 250px;
    margin-left: unset;
  }

  .main-menu .main-menu-content li.hotline a {
    padding: 3px 10px 3px 3px;
  }

  .container.main-menu .boundary {
    max-width: 1300px;
  }

  .container.gioithieu .boundary {
    padding: 80px 100px 70px 160px;
  }

  .logo-gioithieu {
    margin-left: 60px;
    width: 350px;
  }

  .main-gt {
    font-size: 1.1em;
    margin-bottom: 20px;
    padding-left: 70px;
    margin-right: 30px;
  }

  .main-gt span {
    line-height: 1.5;
  }

  .doingu {
    margin-top: 80px;
  }

  .linhvuc-content p {
    font-size: .75em;
    margin-left: 10px;
    font-weight: bold;
  }

  .linhvuc-content .number {
    font-size: 2em;
    margin-right: unset;
  }

  #linhvuc-slider .linhvuc-items {
    width: 340px;
    height: auto;
    max-width: unset;
  }

  .duan-items {
    width: 300px;
  }

  .duan-content p {
    font-size: 0.8em;
  }

  .container.banner-slider {
    width: 100vw;
    height: 100vh;
    margin-left: calc(-50vw + 50%);
    overflow: hidden;
  }

  /* banner nút */
  #banner-slider .owl-nav button span {
    position: relative;
    width: 50px;
    height: 50px;
    display: block;
    font-size: 0;
  }

  #banner-slider .owl-next {
    margin-right: 80px;
  }

  #banner-slider .banner-items {
    width: 100%;
    height: 100vh;
  }

  #banner-slider .banner-items picture,
  #banner-slider .banner-items img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
  }

  .line-xemthem {
    left: calc(-50vw + 50%);
    width: 100vw;
    margin-top: 5px;
  }

  .line-xemthem1 {
    left: calc(-50vw + 50%);
    width: 100vw;
    margin-top: 5px;
    margin-bottom: 40px;
  }

  #doitac-slider {
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: center;
    overflow-x: auto;
  }

  #doitac-slider .doitac-items {
    flex: 0 0 150px;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  #doitac-slider .doitac-items img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
  }

  .container.footer .boundary {
    padding: 90px 20px 40px 70px;
    box-sizing: border-box;
  }

  .container.doitac .boundary {
    margin-bottom: 80px;
  }

  .diachi {
    font-size: .9em;
  }

  .container.footer {
    background-position: right center;
    background-repeat: no-repeat;
    background-size: unset;
  }

  .title-ugndung h2 {
    font-size: 2em;
  }

  .line-ungdung {
    width: 180px;
  }

  .container.footer::after {
    content: "";
    position: absolute;
    bottom: -70px;
    left: 0;
    right: 0;
    width: 700px;
    height: 600px;
    background: url(../images/tech-bg.png) no-repeat bottom left;
    background-size: contain;
    z-index: 2;
    pointer-events: none;
    opacity: 0.4;
    transform: rotate(180deg);
  }

  .duan-img {
    width: 350px;
    height: auto;

  }

  .duan-items {
    width: 330px;
    margin: 0px auto 20px;
  }

  #doitac-slider {
    margin: 90px 0 70px;
  }

  .line-xemthem1 {
    margin-bottom: 80px;
  }

  .container.gioithieu {
    height: 110vh;
  }

  .content-gioithieu {
    flex: 1.5;
  }

  .doingu-items span {
    width: 280px;
    padding: 10px 30px;
  }

  .title-linhvuc h2 {
    font-size: 3.2em;
  }

  .line-linhvuc {
    width: 180px;
    margin-top: 25px;
    margin-bottom: 60px;
    height: 6px;
  }

  .title-duan h2 {
    font-size: 3.2em;
    padding-bottom: 40px;
  }

  .title-duan {
    margin-bottom: 10px;
    margin-top: 90px;
  }

  .line-duan {
    width: 180px;
  }

  .title-ytb1 h2 {
    font-size: 3.2em;
  }

  .line-ytb1 {
    height: 6px;
    width: 300px;
    margin: 30px auto 60px;
  }

  .title-nl {
    margin-top: 90px;
  }

  .title-nl h2 {
    font-size: 3.2em;
  }

  .line-nl {
    width: 180px;
    margin: 20px auto 60px;
    height: 6px;
  }

  .chungchi {
    padding: 20px 10px;
  }

  .title-dt {
    margin-top: 90px;
  }

  .title-dt h2 {
    font-size: 3.2em;
  }

  .line-dt {
    width: 180px;
    margin: 25px auto 30px;
    height: 6px;
  }

  .content-dt span {
    font-size: 1.1em;
  }

  #doitac-slider .doitac-items {
    flex: 0 0 180px;
  }

  .logo-footer {
    width: 350px;
  }

  .form-tu-van {
    max-width: 380px;
  }

  .youtube-thumb {
    width: 100%;
    height: auto;
  }
}

@media (min-width: 1800px) {
  .container.main-menu .boundary {
    max-width: 1400px;
  }

  .main-menu {
    font-size: 1.1em;
  }

  .main-menu {
    height: 100px;
  }

  .container.linhvuc {
    height: 100vh;
  }

  .container.linhvuc .boundary {
    padding: 160px 10px 200px 10px;
  }

  .container.gioithieu {
    height: 100vh;
  }

  .content-gioithieu {
    flex: 1.5;
  }

  .doingu-items span {
    width: 280px;
  }

  .icon-box i {
    font-size: 35px;
    margin-right: 20px;
  }

  .logo-gioithieu {
    margin-bottom: 20px;
  }

  .container.gioithieu .boundary {
    padding: 170px 100px 70px 10px;
    gap: 40px;
  }

  .doingu {
    margin-right: unset;
    gap: 20px;
  }

  .duan-img {
    width: 350px;
    height: auto;
  }

  .chungchi {
    padding: unset;
  }

}