:root {
  --color-bg: #0C0F14;
  --color-bg-fill: #0C0F1499;
  --color-bg-cart: radial-gradient(circle at top center, #0c0f14, rgba(12, 15, 20, 0)), linear-gradient(180deg, #232833, rgba(35, 40, 51, 0));
  --color-bg-shaow: rgba(255, 255, 255, 0.10);
  --color-bg-img: #181c24;
  --color-base: #FFFFFF;
  --color-desc: rgba(255,255,255,0.9);
  --color-base-hover: #18F470;
  --color-btn-hover: #04CF5F;
  --color-btn: rgba(0, 0, 0, 0.9);
  --color-primary: #232833;
  --color-text-gray: rgba(255, 255, 255, 0.8);
  --color-linear: linear-gradient(225deg, #18f4de, #18f470);
  --color-scrollbar: #9d9d9d;
  --color-scrollbar-hover: #bbb;

  --font-size-mini: 12px;
  --font-size-small: 14px;
  --font-size-base: 16px;
  --font-size-bm: 18px;
  --font-size-middle: 20px;
  --font-size-mb: 24px;
  --font-size-big: 40px;
  --font-size-large: 64px;
  --font-size: 10px;

  --shadow: 0px -1px 0px 0px rgba(255, 255, 255, 0.10) inset;
  --shadow-hover: 0 0 30px 10px rgba(0, 0, 0, .3);
  --shadow-active: 0px -2px 0px 0px #18f470 inset;

  --header-height: 6.4rem;
  --paddInline: calc((100% - 120rem) / 2);
}

/* j */
body,
header,
footer,
section,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
form,
fieldset,
input,
textarea,
p,
blockquote,
th,
td {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  outline: none;
}

@font-face {
  font-family: 'Alimama';
  src: url('https://assets.le5lecdn.com/le5le/font/Alimama_ShuHeiTi_Bold.ttf?r=1751279781766');

  /* font-family: 'ALIBABA Font Bold';
  src: url('https://assets.le5lecdn.com/le5le/font/TG-TYPE-Bold.otf?r=1751279781766') */
}

html {
  font-size: 10px;
  background-color: var(--color-bg);
}

body {
  font-size: var(--font-size-small);
  color: var(--color-base);
  -webkit-text-size-adjust: none;
  font-family: PingFang SC, PingFang SC-Regular;
}

li {
  list-style: none;
}

a {
  text-decoration: none;
  color: var(--color-base);
}

section {
  padding: 8rem var(--paddInline);
  position: relative;
}

.letter-spac {
  letter-spacing: 1.5px;
}

.btn {
  background: var(--color-linear);
  color: var(--color-btn);
  border-radius: 4px;
  padding: 4px 16px;
  transition: 200ms;
  user-select: none;
}

.btn img {
  transition: 200ms;
  margin-left: 0.8rem;
  width: 14px;
}

.btn-black {
  background: var(--color-primary);
  color: var(--color-base-hover);
}

.btn:not(.btn-black):hover {
  background: linear-gradient(225deg, #05cfc1, #04cf5f);
}

.btn:hover img {
  transform: translateX(0.8rem);
}

.desc {
  color: var(--color-desc);
  line-height: 1.5;
}

.border-base {
  border: 1px solid var(--color-primary);
}

.dropitem-hover:hover {
  background-color: #FFFFFF13;
  box-shadow: var(--shadow-hover);
}

.active {
  color: var(--color-base-hover);
}

.font-mini {
  font-size: var(--font-size-mini);
}

.font-small {
  font-size: var(--font-size-small);
}

.font-base {
  font-size: var(--font-size-base);
}

.font-middle {
  font-size: var(--font-size-middle);
}

.font-bm {
  font-size: var(--font-size-bm);
}

h1 {
  font-size: var(--font-size-large);
  line-height: 1.25;
}

h2 {
  font-size: var(--font-size-big);
  /* white-space: nowrap; */
  font-weight: 600;
  line-height: 1.2;
  margin-block: 4px 40px;
  /*首页解决方案*/
}

h3 {
  font-size: var(--font-size-mb);
  line-height: 1.4;
  font-weight: 600;
  margin-bottom: 20px;
  /*首页产品卡片*/
}

.linear-text {
  background: var(--color-linear);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cart {
  background: var(--color-bg-cart);
  border: 1px solid var(--color-primary);
  border-radius: 1.6rem;
}

.grid-db-lines {
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: 0.8rem;
}

.grid-db-lines .first {
  grid-row: 1 / 3;
  grid-column: 1 / 2;
  width: 100%;
}

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.flex-between {
  display: flex;
  justify-content: space-between;
}

.flex-arround {
  display: flex;
  justify-content: space-around;
}

.flex-v-center {
  display: flex;
  align-items: center !important;
}

.flex-h-center {
  display: flex;
  justify-content: center;
}

.scrollbar-hidden::-webkit-scrollbar {
  width: 0;
  height: 0;
}

#mask {
  width: 100vw;
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 3;
  background-color: rgba(0, 0, 0, 0.5);
  display: none;
}
.pointer {
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.cancelMb {
  margin-bottom: 0 !important;
}

.truncate {
  text-overflow: ellipsis;
  overflow: hidden;
  word-break: break-all;
  white-space: nowrap;
}

/*定义滚动条轨道 内阴影+圆角*/
::-webkit-scrollbar {
  width: 10px;
}

/*滚动条里面小方块*/
::-webkit-scrollbar-thumb {
  background-color: var(--color-scrollbar);
  border-radius: 4px;
  border-style: dashed;
  border-color: transparent;
  border-width: 3px;
  background-clip: padding-box;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-scrollbar-hover);
}

/* banner */
.banner {
  height: 100vh;
  overflow: hidden;
  padding: 0;
  position: relative;
}

.banner .info {
  position: absolute;
  top: 50%;
  left: var(--paddInline);
  transform: translateY(-50%);
}

.banner .banner-img {
  height: 78.4rem;
  width: auto;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.banner h1 {
  font-family: Alimama;
}

.banner .desc {
  margin-block: 1.6rem 4.8rem;
}

.banner .btn {
  padding: 1.4rem 2.4rem;
  border-radius: 0.8rem;
}

/* 介绍 */
.introduce .cart {
  padding: 5.6rem 4rem;
  line-height: 1.6;
  background: #181c24;
}

/* 产品特点 */
.feature {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.feature>img {
  height: auto;
}

.feature .info .desc {
  width: 340px;
}

.feature .info h2 {
  margin-bottom: 16px;
}

.feature .info :is(.desc, img) {
  margin-bottom: 40px;
}
/* 切换 */
.tabs {
  background: var(--color-primary);
  border-radius: 0.8rem;
  user-select: none;
  padding: 4px;
  font-weight: 400;
  max-width: 100%;
  overflow-x: auto;
}

.tabs li {
  position: relative;
  padding: 5px 16px;
  z-index: 0;
  flex-shrink: 0;
  border-radius: 4px;
  margin-inline: 2px;
}

.tabs li:hover {
  background: #323947;
}

.tabs li.active {
  background: var(--color-linear) !important;
  color: rgba(0, 0, 0, 0.9);
  font-weight: 600;
}

.tabs-special li {
  margin-right: 3.2rem;
  line-height: 32px;
  position: relative;
  user-select: none;
}

.tabs-special li.active::before {
  content: '';
  display: block;
  position: absolute;
  background: var(--color-linear);
  border-radius: 2px;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 40px;
  height: 4px;
}

/* 开始 */
.start .start-content {
  height: 42rem;
  background: no-repeat center / 100% 80% url('https://assets.le5lecdn.com/le5le/img/startBg.png?r=1751279781766');
  flex-direction: column;
}

.start .start-content h2 {
  margin-bottom: 1.6rem;
}

.start .start-content .desc {
  margin-bottom: 3.6rem;
}

.start .btn {
  padding: 8px 16px;
}

.start .btn img {
  width: 12px;
}
@media screen and (max-width: 1440px) {
  html {
    font-size: 9px;
  }
  :root {
    --paddInline: 80px;
    --font-size-base: 14px;
  }
  ::-webkit-scrollbar {
    height: 3px;
  }

  ::-webkit-scrollbar-thumb {
    background-color: var(--color-scrollbar);
    border-style: none;
  }
}

/* ipad */
@media screen and (max-width: 1200px) {
  html {
    font-size: 8px;
  }
}

/* ipad */
@media screen and (max-width: 1024px) {
  html {
    font-size: 7px;
  }
  :root {
    --font-size-middle: 18px;
    --font-size-mb: 20px;
    --font-size-large: 40px;
  }

  .banner {
    height: calc(var(--header-height) + 500px) !important;
  }

  .banner .info {
    top: calc(var(--header-height) + 40px);
    width: calc(100% - var(--paddInline) * 2);
    text-align: center;
    transform: none;
  }

  .banner .banner-img {
    height: 50rem;
    bottom: 0;
    top: auto;
    transform: translateX(-57%);
  }

  .banner .info br {
    display: none;
  }

  .feature {
    flex-direction: column;
    align-items: flex-start;
  }

  .feature .info {
    margin-bottom: 20px;
  }

  .feature>img,
  .feature .info .desc {
    width: 100% !important;
  }
}

/* iphone6 7 8 plus */
@media screen and (max-width: 912px) {
  html {
    font-size: 6px;
  }
}

@media screen and (max-width: 576px) {
  :root {
    --paddInline: 20px;
  }

  :root {
    --font-size-bm: 12px;
    --font-size-middle: 16px;
    --font-size-big: 26px;
    --font-size-large: 32px;
  }
}