:root{--blue:#3264f4;
  --ink:#142443;
  --muted:#67758e;
  --line:#e4eaf4;
  --soft:#f5f8ff}
*{box-sizing:border-box}
html{scroll-behavior:smooth;
  scroll-padding-top:25px}
body{margin:0;
  color:var(--ink);
  font-family:Inter,"Microsoft YaHei","PingFang SC",system-ui,sans-serif;
  font-size:15px;
  line-height:1.7;
  background:white}
a{color:inherit;
  text-decoration:none}
button,input{font:inherit}
button,a{ -webkit-tap-highlight-color:transparent}
button{cursor:pointer}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #729cff;
  outline-offset:4px}
.wrap{max-width:1180px;
  width:calc(100% - 64px);
  margin:auto}
.header{display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  padding:28px 0}
.brand{display:flex;
  align-items:center;
  gap:12px;
  font-size:21px;
  font-weight:750;
  line-height:1.35}
.brand small{display:block;
  font-size:11px;
  color:var(--muted);
  font-weight:400;
  margin-top:5px}
.logo{height:38px;
  width:38px;
  background:linear-gradient(125deg,#54c6ff,#315af5);
  clip-path:polygon(50% 0,100% 80%,80% 100%,50% 50%,20% 100%,0 80%)}
nav{display:flex;
  gap:28px;
  color:#52607a;
  font-size:14px}
.account{display:flex;
  align-items:center;
  gap:24px;
  font-size:14px}
.btn{display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:20px;
  padding:12px 23px;
  border:1px solid transparent;
  border-radius:10px;
  background:var(--blue);
  color:white;
  font-weight:600;
  font-size:14px;
  white-space:nowrap;
  transition:background .15s,transform .15s}
.btn:hover{background:#214ed3;
  transform:translateY(-1px)}
.btn.small{padding:8px 18px}
.ghost{background:white;
  border-color:var(--line);
  color:var(--ink)}
.ghost:hover{background:var(--soft)}
.hero{display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:62px;
  align-items:center;
  padding:80px 0 86px}
.eyebrow{font-size:11px;
  font-weight:750;
  letter-spacing:2px;
  color:var(--blue)}
h1{font-size:48px;
  line-height:1.35;
  letter-spacing:-1.5px;
  margin:20px 0}
h1 em{font-style:normal;
  color:var(--blue)}
.lead{max-width:500px;
  color:var(--muted);
  font-size:16px;
  line-height:1.95}
.actions{display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-top:28px}
.hero-notes{display:flex;
  gap:25px;
  margin-top:24px;
  color:#7c88a0;
  font-size:12px}
.hero-notes span:before{content:'✓';
  color:var(--blue);
  margin-right:7px}
.console{border:1px solid #dbe5fc;
  border-radius:18px;
  background:white;
  box-shadow:0 24px 75px #3164ef19,0 0 0 14px #f5f8ff;
  overflow:hidden}
.console-bar{display:flex;
  justify-content:space-between;
  align-items:center;
  padding:15px 19px;
  border-bottom:1px solid var(--line);
  font-size:11px;
  color:#7483a0;
  background:#fbfcff}
.dots{letter-spacing:3px;
  color:#cbd5eb}
.console-body{display:flex;
  min-height:294px}
.console aside{background:#f7f9ff;
  display:flex;
  flex-direction:column;
  gap:12px;
  width:112px;
  flex-shrink:0;
  padding:23px 12px;
  font-size:10px}
.console aside b{margin-bottom:13px;
  color:#345283}
.console aside span{padding:4px 10px;
  color:#8290a7}
.console aside .selected{background:#e8efff;
  color:var(--blue);
  border-radius:5px}
.console-main{padding:26px 24px;
  min-width:0;
  flex:1}
.mini-label{font-size:9px;
  color:#98a4b9;
  letter-spacing:1px}
.console h3{font-size:17px;
  margin:5px 0 20px}
.model-line{display:flex;
  gap:10px;
  align-items:center;
  border:1px solid var(--line);
  padding:13px;
  border-radius:10px;
  font-size:11px}
.model-line small{display:block;
  font-size:9px;
  color:var(--muted)}
.model-icon{color:var(--blue);
  background:#edf2ff;
  border-radius:8px;
  font-size:23px;
  padding:1px 8px}
.pill{margin-left:auto;
  background:#f0f4ff;
  color:var(--blue);
  padding:2px 6px;
  font-size:9px}
.key{display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
  color:#9aa7bb;
  font-size:8px}
.key b{font-size:10px;
  color:#586986;
  letter-spacing:1px}
.flow{display:flex;
  justify-content:space-between;
  align-items:center;
  gap:3px;
  background:#f6f8fc;
  border-radius:6px;
  padding:11px 7px;
  font-size:9px}
.flow b{color:var(--blue)}
.flow i{font-style:normal;
  color:#aab9d5}
.console-bottom{font-size:9px;
  color:#9aa7bb;
  margin-top:15px}
.section{padding:64px 0}
.section-head{text-align:center;
  margin-bottom:32px}
h2{font-size:29px;
  line-height:1.4;
  margin:10px 0 12px;
  letter-spacing:-.5px}
.section-head p,p{color:var(--muted)}
.section-head p{margin:0;
  font-size:14px}
.steps{display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px}
.steps article{border:1px solid var(--line);
  border-radius:14px;
  padding:26px 28px}
.number{color:#c3d2fc;
  font-size:32px;
  font-weight:750;
  line-height:1}
.steps h3{margin:15px 0 8px;
  font-size:18px}
.steps p{margin:0;
  font-size:13px;
  line-height:1.9}
.soft{background:var(--soft);
  margin-top:18px}
.ways{display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:25px}
.ways article{background:white;
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden}
.illustration{height:172px;
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(140deg,#f0f4ff,#e8f0ff)}
.app-tile{width:68px;
  height:68px;
  background:white;
  box-shadow:0 12px 25px #526db517;
  border-radius:16px;
  display:grid;
  place-items:center;
  font-size:32px;
  color:#48648d;
  transform:rotate(-7deg)}
.app-tile.blue{background:linear-gradient(145deg,#75a4ff,#3f63f3);
  color:white;
  font-size:26px;
  transform:rotate(7deg)}
.connect{letter-spacing:5px;
  margin:0 25px;
  color:#779df6}
.card-copy{padding:24px 28px 28px}
.tag{font-size:11px;
  color:var(--blue)}
.card-copy h3{font-size:20px;
  margin:6px 0}
.card-copy p{margin:0;
  font-size:13px;
  line-height:1.9}
.code-window{width:225px;
  height:122px;
  border:1px solid #d0defa;
  background:#fff;
  border-radius:11px;
  padding:9px 17px;
  transform:rotate(-4deg);
  box-shadow:0 15px 35px #597ad220}
.code-window>span{display:block;
  color:#bed1f8;
  font-size:7px;
  letter-spacing:3px}
.code-window b{display:block;
  font:22px monospace;
  color:#527cf5;
  margin:13px 0}
.code-window div{height:5px;
  background:#ecf1ff;
  width:80%;
  margin:6px 0;
  border-radius:5px}
.code-window div:last-child{width:55%}
.code-star{color:#507ef8;
  font-size:45px;
  position:absolute;
  right:19%;
  top:36px}
.partner{border-radius:20px;
  background:linear-gradient(110deg,#2953dc,#426cfa);
  padding:47px 50px;
  display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);
  gap:40px;
  color:white;
  overflow:hidden}
.partner .eyebrow{color:#bccfff}
.partner h2{font-size:29px;
  margin-top:14px}
.partner p{color:#dce6ff;
  font-size:14px;
  max-width:560px}
.white{background:white;
  color:#305edc}
.white:hover{background:#edf3ff}
.outline{background:transparent;
  border-color:#8ba7ff;
  color:white}
.network{position:relative;
  min-height:210px;
  border:1px solid #ffffff30;
  border-radius:50%;
  width:230px;
  margin:auto}
.network>b{position:absolute;
  top:60px;
  left:75px;
  width:80px;
  height:80px;
  background:#ffffff20;
  border:1px solid #ffffff60;
  border-radius:22px;
  text-align:center;
  font-size:29px;
  line-height:1.2;
  padding-top:12px}
.network small{font-size:12px}
.network>span{position:absolute;
  background:#6487fb;
  border:1px solid #a6bcff80;
  padding:9px 20px;
  border-radius:12px;
  font-size:12px}
.network>span:first-child{left:-13px;
  top:30px}
.network>span:nth-child(3){right:-18px;
  top:80px}
.network>span:last-child{left:45px;
  bottom:-8px}
.desktop{background:#f7f9fd;
  border:1px solid var(--line);
  border-radius:18px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:34px 44px;
  gap:30px;
  margin-bottom:65px}
.badge{display:inline-block;
  color:#687b9d;
  background:#e9eef8;
  padding:4px 11px;
  border-radius:6px;
  font-size:11px}
.desktop h2{font-size:25px;
  margin:12px 0}
.desktop p{font-size:13px;
  margin:0}
.desktop-art{width:260px;
  flex-shrink:0;
  transform:rotate(-4deg);
  background:white;
  border:1px solid #dce4f4;
  border-radius:12px;
  padding:17px 22px;
  box-shadow:0 14px 25px #193d8510}
.desktop-art div{font-size:9px;
  color:#7189b3}
.desktop-art span{float:right;
  color:#d1dcf1}
.desktop-art b{display:block;
  font-size:14px;
  color:#8d9db8;
  margin:24px 0 14px}
.desktop-art i{display:block;
  height:6px;
  border-radius:4px;
  background:#f0f3f9;
  margin:8px 0;
  width:85%}
.desktop-art i:last-child{width:60%}
.footer{border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  gap:25px;
  padding:27px 0 35px;
  font-size:13px}
.footer span{color:#94a0b4;
  font-size:12px}
.footer button{margin-left:auto}
.skip{position:fixed;
  top:-100px;
  left:20px;
  background:white;
  padding:10px;
  z-index:99}
.skip:focus{top:0}
.modal-open{overflow:hidden}
dialog{border:1px solid var(--line);
  padding:0;
  border-radius:20px;
  width:min(740px,calc(100% - 32px));
  max-height:calc(100dvh - 48px);
  color:var(--ink);
  box-shadow:0 25px 100px #172b5c40}
dialog::backdrop{background:#1123487d;
  backdrop-filter:blur(4px)}
.dialog-head{display:flex;
  justify-content:space-between;
  align-items:center;
  padding:24px 30px 17px;
  border-bottom:1px solid var(--line);
  background:white}
.dialog-head h2{font-size:24px;
  margin:6px 0 0}
.close{border:0;
  border-radius:50%;
  background:#f0f4fb;
  width:34px;
  height:34px;
  font-size:23px;
  color:#657693}
.dialog-body{padding:8px 30px 26px}
.dialog-body p{font-size:13px;
  line-height:1.9}
.dialog-body section{margin-top:23px}
.dialog-body h3{font-size:16px;
  margin:0 0 7px}
.dialog-body section>p{margin:0}
.intro{font-size:15px!important;
  color:var(--ink)!important}
.levels{display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;
  margin-top:13px}
.levels article{background:var(--soft);
  border:1px solid var(--line);
  padding:15px;
  border-radius:11px}
.levels span{font-size:12px}
.levels b{display:block;
  font-size:30px;
  color:var(--blue);
  line-height:1.5}
.levels small{font-size:15px;
  margin-left:3px}
.levels p{font-size:11px;
  margin:5px 0 0}
.note{font-size:11px!important;
  color:#8190a7!important;
  margin-top:10px!important}
.special{background:#f3f6ff;
  border-radius:12px;
  padding:18px}
.dialog-actions{display:flex;
  gap:12px;
  border-top:1px solid var(--line);
  background:white;
  padding:18px 30px;
  position:sticky;
  bottom:0}
#contact{max-width:540px}
#contact label{font-size:12px;
  color:var(--muted)}
.wechat-row{display:flex;
  gap:12px;
  margin-top:7px}
.wechat-row input{min-width:0;
  flex:1;
  border:1px solid #dae3f4;
  border-radius:8px;
  background:#f7f9ff;
  padding:12px;
  color:var(--ink)}

@media(max-width:1000px){nav{gap:17px}
.header{gap:20px}
.brand small{display:none}
.hero{gap:35px;
  padding:55px 0}
h1{font-size:39px}
.console-main{padding:20px 15px}
.partner{padding:35px}
.network{transform:scale(.8)}
}

@media(max-width:760px){.wrap{width:calc(100% - 36px)}
.header{flex-wrap:wrap;
  padding:20px 0;
  gap:18px}
.brand{font-size:19px}
.logo{height:31px;
  width:31px}
.header nav{order:3;
  width:100%;
  justify-content:space-between;
  font-size:12px;
  padding-top:10px;
  border-top:1px solid var(--line)}
.account{gap:14px;
  font-size:12px}
.btn.small{padding:7px 12px}
.hero{grid-template-columns:minmax(0,1fr);
  padding:40px 0 45px;
  gap:40px}
h1{font-size:38px;
  letter-spacing:-1px;
  margin:16px 0}
.lead{font-size:14px}
.hero-notes{gap:20px;
  font-size:11px}
.console{margin:0 9px;
  box-shadow:0 15px 40px #3164ef19,0 0 0 8px #f5f8ff}
.console-body{min-height:270px}
.console aside{width:86px;
  padding:22px 7px;
  font-size:9px}
.console-main{padding:23px 13px}
.console h3{font-size:15px}
.model-line{padding:10px 7px;
  gap:7px}
.model-line small{font-size:8px}
.pill{display:none}
.key b{font-size:8px}
.flow{font-size:8px;
  padding:10px 5px}
.section{padding:42px 0}
h2{font-size:25px}
.section-head p{font-size:12px}
.steps{grid-template-columns:minmax(0,1fr);
  gap:12px}
.steps article{padding:22px;
  position:relative}
.steps .number{position:absolute;
  right:23px;
  top:20px;
  font-size:29px}
.steps h3{margin:0 0 8px;
  font-size:17px}
.steps p{padding-right:12px;
  font-size:12px}
.ways{grid-template-columns:minmax(0,1fr);
  gap:20px}
.illustration{height:154px}
.card-copy{padding:21px 23px}
.card-copy h3{font-size:19px}
.partner{grid-template-columns:minmax(0,1fr);
  padding:30px 24px;
  gap:0}
.partner h2{font-size:25px}
.partner p{font-size:13px}
.network{display:none}
.partner .btn{padding:11px 15px;
  font-size:12px;
  gap:12px}
.desktop{padding:28px 24px;
  margin-bottom:42px}
.desktop-art{display:none}
.desktop h2{font-size:23px}
.footer{flex-wrap:wrap;
  gap:12px}
.footer span{order:3;
  flex-basis:100%;
  font-size:11px}
.footer button{margin-left:auto}
.dialog-head{padding:20px}
.dialog-head h2{font-size:22px}
.dialog-body{padding:6px 20px 22px}
.levels{grid-template-columns:minmax(0,1fr);
  gap:10px}
.levels article{display:grid;
  grid-template-columns:1fr auto;
  gap:3px 14px;
  padding:13px 16px}
.levels b{grid-column:2;
  grid-row:1/3;
  font-size:28px;
  align-self:center}
.levels p{grid-column:1}
.dialog-actions{padding:15px 20px}
.wechat-row{flex-direction:column}
.wechat-row input{width:100%}
.dialog-body p{font-size:12px}
.eyebrow{font-size:9px;
  letter-spacing:1.5px}
}

@media(max-width:360px){h1{font-size:33px}
.console aside{display:none}
.hero .btn{padding:11px 15px}
.brand{gap:8px}
.logo{width:26px;
  height:26px}
.account{gap:10px}
.brand{font-size:17px}
}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
.btn{transition:none}
}