blockquote,
body,
dd,
div,
dl,
dt,
fieldset,
form,
h1,
h2,
h3,
h4,
h5,
h6,
input,
li,
ol,
p,
pre,
td,
textarea,
th,
ul {
  padding: 0;
  margin: 0;
}

body {
  font-size: 12px;
  font-family: "Microsoft YaHei", Arial, "\5B8B\4F53", Helvetica, sans-serif;
  -webkit-tap-highlight-color: transparent;
}

html {
  color: #333;
  background: #fff;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

audio,
canvas,
video {
  display: inline-block;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

abbr,
acronym,
fieldset,
img {
  border: 0;
}

address,
caption,
cite,
code,
dfn,
em,
strong,
th,
var {
  font-style: normal;
  font-weight: 400;
}

ol,
ul {
  list-style: none;
}

caption,
th {
  text-align: left;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 100%;
  font-weight: 400;
}

q:after,
q:before {
  content: "";
}

abbr,
acronym {
  border: 0;
  font-variant: normal;
}

sup {
  vertical-align: text-top;
}

sub {
  vertical-align: text-bottom;
}

input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
}

input {
  outline: 0;
}

a {
  text-decoration: none;
  color: #333;
}

img {
  border: 0;
}

.clear:after,
.clearfix:after {
  visibility: hidden;
  display: block;
  font-size: 0;
  content: "\20";
  clear: both;
  height: 0;
}

body,
html {
  /* background: url(../images/bgshviet.png) center center no-repeat; */
  background-size: cover;
}

.wrapper {
  width: 1000px;
  min-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.font-text h2 {
  font-weight: 700;
  font-size: 25px;
  color: white;
}

.fl {
  float: left;
}

.fr {
  float: right;
}

.red {
  color: red !important;
}

.blue {
  color: #0048ff !important;
}

.blue2 {
  color: #008aff !important;
}

.yellow {
  color: #f7e18a !important;
}

.orange {
  color: #ff6000 !important;
}

.green {
  color: #2aa200 !important;
}

img {
  vertical-align: middle;
}

/*///////////////NEW///////////////////*/
#container {
  overflow: auto;
  max-width: 1200px;
  position: relative;
  margin: 0 auto;
  height: 100%;
  z-index: 20;
  text-align: center;
  cursor: context-menu;
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 0rem;
  /*padding: 0.5rem 1rem 0 1rem;*/
}

.list-link {
    width: 100%;
  background: #00b1cc;
  padding: 20px 50;
  border-radius: 15px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 5.5rem;
  margin-top: 25px;
}

.link-item {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1.25rem;
}

.speed-item {
  /*padding: 5px;*/
  /*  background: #fff;*/
    border-radius: 50%;
    position: relative;
}

.speed-item img {
  object-fit: fill;
  width: 100%;
}

.speed-item a span {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.6rem;
  color: transparent;
  background: #1974e6;
  background-clip: text;
  font-weight: 1000;
}

.link-item .linkok {
  /*background: #1974e6;*/
  /*padding: 0.25rem;*/
  /*border-radius: 15px;*/
  /*width: 100%;*/
  /*font-size: 20px;*/
  /*color: #fff;*/
  /*font-weight: 700;*/
  /*border: 2px solid #fff;*/
  width: 100%;
}

#check-speed {
  cursor: pointer;
  position: relative;
  transition: transform 0.4s ease-in-out;
}

#check-speed:hover {
  transform: scale(0.95);
}

@media screen and (max-width: 768px) {
  #container {
    padding: 0 1rem 0 1rem;
    gap: 0;
  }

  .list-link {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3.5rem;
    margin-top: 10rem;
  }

  .speed-item img {
    width: 100%;
  }

  .link-item .linkok {
    width: 100%;
    font-size: 13px;
  }

  .speed-item a span {
    font-size: 17px;
  }

  #check-speed {
    width: 60%;
  }
}

@media screen and (max-width: 767.98px) {
  .speed-item img {
    width: 80px;
    height: 80px;
  }

  .list-link {
    gap: 1.5rem;
  }
}

/*//////////////////////////////////*/
.main {
  width: 50%;
  background-color: #ffffffc2;
  margin: 0 auto;
  padding: 50px 20px 70px 20px;
  border-radius: 14px;
  box-shadow: rgb(50 50 93 / 25%) 0px 6px 12px -2px,
    rgb(0 0 0 / 30%) 0px 3px 7px -3px;
}

.main a {
  display: block;
}

#link {
  margin-top: 20px;
  /*background-image: linear-gradient(180deg, #0780d2, #0675c1, #0067ad);*/
  display: inline-block;
  font-size: 20px;
  color: #fff;
  padding: 12px 10px;
  border-radius: 9999px;
  border: 2px solid #fff;
  font-weight: 700;
  transition: all 0.5s ease-in-out;
  width: 350px;
  box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
  background: url(../images/bgbtn.png) no-repeat center center;
  /*animation: myboder 1s linear infinite;*/
}

#link:hover {
  /*color: #f7ce37;*/
  transform: scale(1.05);
  box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
}

#link span {
  /*border-radius: 9999px;*/
  /*border: 1px solid #f7ce37;*/
  /*padding: 5px 25px;*/
  /*animation: myboder 1s linear infinite;*/
  /*animation-delay: 0.5s;*/
}

.animated-box {
  position: relative;
}

.animated-box:after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 4px;
  background: linear-gradient(120deg, #00f260, #0575e6, #00f260);
  background-size: 300% 300%;
  clip-path: polygon(
    0% 100%,
    3px 100%,
    3px 3px,
    calc(100% - 3px) 3px,
    calc(100% - 3px) calc(100% - 3px),
    3px calc(100% - 3px),
    3px 100%,
    100% 100%,
    100% 0%,
    0% 0%
  );
}

.animated-box.in:after {
  animation: frame-enter 1s forwards ease-in-out reverse,
    gradient-animation 10s ease-in-out infinite;
}

/* motion */
@keyframes gradient-animation {
  0% {
    background-position: 15% 0%;
  }

  50% {
    background-position: 85% 100%;
  }

  100% {
    background-position: 15% 0%;
  }
}

@keyframes frame-enter {
  0% {
    clip-path: polygon(
      0% 100%,
      3px 100%,
      3px 3px,
      calc(100% - 3px) 3px,
      calc(100% - 3px) calc(100% - 3px),
      3px calc(100% - 3px),
      3px 100%,
      100% 100%,
      100% 0%,
      0% 0%
    );
  }

  25% {
    clip-path: polygon(
      0% 100%,
      3px 100%,
      3px 3px,
      calc(100% - 3px) 3px,
      calc(100% - 3px) calc(100% - 3px),
      calc(100% - 3px) calc(100% - 3px),
      calc(100% - 3px) 100%,
      100% 100%,
      100% 0%,
      0% 0%
    );
  }

  50% {
    clip-path: polygon(
      0% 100%,
      3px 100%,
      3px 3px,
      calc(100% - 3px) 3px,
      calc(100% - 3px) 3px,
      calc(100% - 3px) 3px,
      calc(100% - 3px) 3px,
      calc(100% - 3px) 3px,
      100% 0%,
      0% 0%
    );
  }

  75% {
    -webkit-clip-path: polygon(
      0% 100%,
      3px 100%,
      3px 3px,
      3px 3px,
      3px 3px,
      3px 3px,
      3px 3px,
      3px 3px,
      3px 0%,
      0% 0%
    );
  }

  100% {
    -webkit-clip-path: polygon(
      0% 100%,
      3px 100%,
      3px 100%,
      3px 100%,
      3px 100%,
      3px 100%,
      3px 100%,
      3px 100%,
      3px 100%,
      0% 100%
    );
  }
}

@keyframes myboder {
  0%,
  100% {
    border-color: #f7ce37;
  }

  50% {
    border-color: #fff;
  }
}

.logo {
  display: flex;
  justify-content: center;
  align-items: center;
  max-width: 300px;
}

.logo img {
  width: 160%;
  border-radius: 14px;
 margin-top:10px;
margin-bottom:20px;
  /*box-shadow: rgba(27, 31, 35, 0.04) 0px 1px 0px, rgba(255, 255, 255, 0.25) 0px 1px 0px inset;*/
}

.domain {
  margin-top: -70px;
}

.url {
  width: 220px;
  text-align: center;
  color: #060400;
  font-size: 16px;
  margin-bottom: 20px;
}

.url span {
  color: #f70925;
}

.go {
  margin-bottom: 20px;
  display: block;
  width: 260px;
  height: 71px;
  background: url("../image/go.png") /*tpa=https://www.833255.com/images/go.png*/
    no-repeat;
  background-size: 100% auto;
}

.btn1 {
  display: block;
  width: 220px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  font-size: 16px;
  color: #eeeef2;
  background: #cd3216;
  border-radius: 14px;
  margin-bottom: 17px;
}

.btn2 {
  display: block;
  border: 1px solid #d07102;
  width: 218px;
  height: 28px;
  line-height: 28px;
  text-align: center;
  font-size: 16px;
  color: #d07102;
  border-radius: 14px;
  margin-bottom: 35px;
}

#yu {
  position: fixed;
  left: 50%;
  bottom: 0px;
  margin-left: -700px;
}

.title {
  position: relative;
}

.title a {
  width: 50%;
  height: 100%;
  display: block;
  position: absolute;
  left: 0;
  top: 0;
}

.title a.btn22 {
  left: 66%;
}

.title a.btn11 {
  left: 42%;
}

.yu {
  position: absolute;
  width: 500px;
  margin: -100px 0 0 -140px;
}

.font-text h2 {
  margin-top: 30px;
  color: #154283;
}

.block {
  position: relative;
  margin: 0 auto 0;
  width: auto;
  height: auto;
  width: 50%;
  background-color: #ffffff;
}

.block:before,
.block:after {
  content: "";
  position: absolute;
  left: -2px;
  top: -2px;
  background: linear-gradient(
    45deg,
    #fb0094,
    #0000ff,
    #00ff00,
    #ffff00,
    #ff0000,
    #fb0094,
    #0000ff,
    #00ff00,
    #ffff00,
    #ff0000
  );
  background-size: 400%;
  width: calc(100% + 4px);
  height: calc(100% + 4px);
  z-index: -1;
  animation: steam 20s linear infinite;
}

@keyframes steam {
  0% {
    background-position: 0 0;
  }

  50% {
    background-position: 400% 0;
  }

  100% {
    background-position: 0 0;
  }
}

.block:after {
  filter: blur(50px);
}

@media screen and (max-width: 660px) {
  #yu {
    position: fixed;
    left: 50%;
    bottom: 0px;
    width: 80%;
    margin-left: -40%;
  }

  .font-text h2 {
    font-size: 20px;
  }

  .main {
    width: 85%;
  }

  .title {
    margin-bottom: 2%;
  }

  .title img {
    width: 90%;
  }

  .domain {
    margin-top: -40px;
  }

  .domain img {
    width: 40%;
  }

  .clear {
    width: 95%;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
  }

  #link {
    width: 90%;
  }

  .clear .left {
    float: none;
    -webkit-box-flex: 1;
    -webkit-flex: 1;
    -ms-flex: 1;
    flex: 1;
  }

  .clear .right {
    float: none;
    -webkit-box-flex: 1;
    -webkit-flex: 1;
    -ms-flex: 1;
    flex: 1;
  }

  .logo {
    width: 100%;
    margin-bottom: 5px;
  }

  .url {
    width: 100%;
    margin-bottom: 5%;
    font-size: 14px;
  }

  .go {
    width: 183px;
    height: 50px;
    background-size: 183px 50px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 5%;
  }

  .btn1 {
    width: 160px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 3%;
    font-size: 14px;
  }

  .btn2 {
    width: 160px;
    margin-left: auto;
    margin-right: auto;
    font-size: 14px;
  }

  .yu {
    position: absolute;
    width: 300px;
    margin: -50px 0 0 -100px;
  }

  .main .tbtn {
    max-width: 75%;
  }

  .title img {
    max-width: 90%;
  }
}


body {
  overflow: hidden;
}